From afdfb0895f33fd74e81f298e40205b3c521e900b Mon Sep 17 00:00:00 2001
From: HiFiPhile <admin@hifiphile.com>
Date: Sun, 5 Oct 2025 18:58:16 +0200
Subject: Fix HIS stylus descriptor and hid_composite example

Signed-off-by: HiFiPhile <admin@hifiphile.com>
---
 src/class/hid/hid_device.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'src/class/hid')

diff --git a/src/class/hid/hid_device.h b/src/class/hid/hid_device.h
index fc1dbcbd8..32b572973 100644
--- a/src/class/hid/hid_device.h
+++ b/src/class/hid/hid_device.h
@@ -267,14 +267,14 @@ void tud_hid_report_failed_cb(uint8_t instance, hid_report_type_t report_type, u
 // Stylus Pen Report Descriptor Template
 #define TUD_HID_REPORT_DESC_STYLUS_PEN(...) \
   HID_USAGE_PAGE ( HID_USAGE_PAGE_DIGITIZER )                     , \
-  HID_USAGE      ( HID_USAGE_DIGITIZER_TOUCH_SCREEN )             , \
+  HID_USAGE      ( HID_USAGE_DIGITIZER_PEN )                      , \
   HID_COLLECTION ( HID_COLLECTION_APPLICATION  )                  , \
     /* Report ID if any */\
     __VA_ARGS__ \
-    HID_USAGE    ( HID_USAGE_DIGITIZER_STYLUS )                   , \
-    HID_COLLECTION ( HID_COLLECTION_PHYSICAL   )                  , \
-      HID_USAGE_PAGE  ( HID_USAGE_DIGITIZER_TIP_SWITCH )          , \
-      HID_USAGE_PAGE  ( HID_USAGE_DIGITIZER_IN_RANGE )            , \
+    HID_USAGE    ( HID_USAGE_DIGITIZER_STYLUS                    ), \
+    HID_COLLECTION ( HID_COLLECTION_PHYSICAL                     ), \
+        HID_USAGE  ( HID_USAGE_DIGITIZER_TIP_SWITCH              ), \
+        HID_USAGE  ( HID_USAGE_DIGITIZER_IN_RANGE                ), \
         HID_LOGICAL_MIN ( 0                                      ), \
         HID_LOGICAL_MAX ( 1                                      ), \
         HID_REPORT_SIZE ( 1                                      ), \
-- 
cgit v1.3.1


From 27415e6114cb6e23ca085b21161eb79278f6b97b Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 22 Oct 2025 06:12:08 +0000
Subject: Add is_isr parameter to usbd_edpt_xfer and usbd_edpt_xfer_fifo

- Added bool is_isr parameter to usbd_edpt_xfer() and usbd_edpt_xfer_fifo() wrapper functions
- These are called by class drivers to queue USB transfers
- Updated all callers to pass false by default (non-ISR context)
- Updated audiod_rx_xfer_isr() and audiod_tx_xfer_isr() to pass true (ISR context)
- All 21 unit tests pass

Co-authored-by: HiFiPhile <4375114+HiFiPhile@users.noreply.github.com>
---
 src/class/audio/audio_device.c   |  8 ++++----
 src/class/bth/bth_device.c       |  6 +++---
 src/class/cdc/cdc_device.c       | 10 +++++-----
 src/class/hid/hid_device.c       |  6 +++---
 src/class/midi/midi_device.c     |  6 +++---
 src/class/msc/msc_device.c       | 12 ++++++------
 src/class/mtp/mtp_device.c       |  8 ++++----
 src/class/net/ecm_rndis_device.c |  6 +++---
 src/class/net/ncm_device.c       | 10 +++++-----
 src/class/usbtmc/usbtmc_device.c | 16 ++++++++--------
 src/class/video/video_device.c   |  4 ++--
 src/device/usbd.c                |  8 ++++----
 src/device/usbd_control.c        |  4 ++--
 src/device/usbd_pvt.h            |  4 ++--
 src/tusb.c                       |  2 +-
 15 files changed, 55 insertions(+), 55 deletions(-)

(limited to 'src/class/hid')

diff --git a/src/class/audio/audio_device.c b/src/class/audio/audio_device.c
index 7df177773..af0be903f 100644
--- a/src/class/audio/audio_device.c
+++ b/src/class/audio/audio_device.c
@@ -520,10 +520,10 @@ static bool audiod_rx_xfer_isr(uint8_t rhport, audiod_function_t* audio, uint16_
   TU_VERIFY(tu_fifo_write_n(&audio->ep_out_ff, audio->lin_buf_out, n_bytes_received));
 
   // Schedule for next receive
-  TU_VERIFY(usbd_edpt_xfer(rhport, audio->ep_out, audio->lin_buf_out, audio->ep_out_sz), false);
+  TU_VERIFY(usbd_edpt_xfer(rhport, audio->ep_out, audio->lin_buf_out, audio->ep_out_sz, true), false);
   #else
   // Data is already placed in EP FIFO, schedule for next receive
-  TU_VERIFY(usbd_edpt_xfer_fifo(rhport, audio->ep_out, &audio->ep_out_ff, audio->ep_out_sz), false);
+  TU_VERIFY(usbd_edpt_xfer_fifo(rhport, audio->ep_out, &audio->ep_out_ff, audio->ep_out_sz, true), false);
   #endif
 
   #if CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP
@@ -580,10 +580,10 @@ static bool audiod_tx_xfer_isr(uint8_t rhport, audiod_function_t * audio, uint16
   #endif
   #if USE_LINEAR_BUFFER_TX
   tu_fifo_read_n(&audio->ep_in_ff, audio->lin_buf_in, n_bytes_tx);
-  TU_VERIFY(usbd_edpt_xfer(rhport, audio->ep_in, audio->lin_buf_in, n_bytes_tx));
+  TU_VERIFY(usbd_edpt_xfer(rhport, audio->ep_in, audio->lin_buf_in, n_bytes_tx, true));
   #else
   // Send everything in ISO EP FIFO
-  TU_VERIFY(usbd_edpt_xfer_fifo(rhport, audio->ep_in, &audio->ep_in_ff, n_bytes_tx));
+  TU_VERIFY(usbd_edpt_xfer_fifo(rhport, audio->ep_in, &audio->ep_in_ff, n_bytes_tx, true));
   #endif
 
   // Call a weak callback here - a possibility for user to get informed former TX was completed and data gets now loaded into EP in buffer
diff --git a/src/class/bth/bth_device.c b/src/class/bth/bth_device.c
index 3f1529cb6..b679d6ab6 100755
--- a/src/class/bth/bth_device.c
+++ b/src/class/bth/bth_device.c
@@ -67,7 +67,7 @@ static bool bt_tx_data(uint8_t ep, void *data, uint16_t len) {
   // skip if previous transfer not complete
   TU_VERIFY(!usbd_edpt_busy(rhport, ep));
 
-  TU_ASSERT(usbd_edpt_xfer(rhport, ep, data, len));
+  TU_ASSERT(usbd_edpt_xfer(rhport, ep, data, len, false));
 
   return true;
 }
@@ -169,7 +169,7 @@ uint16_t btd_open(uint8_t rhport, tusb_desc_interface_t const *itf_desc, uint16_
   itf_desc = (tusb_desc_interface_t const *) tu_desc_next(tu_desc_next(desc_ep));
 
   // Prepare for incoming data from host
-  TU_ASSERT(usbd_edpt_xfer(rhport, _btd_itf.ep_acl_out, _btd_epbuf.epout_buf, CFG_TUD_BTH_DATA_EPSIZE), 0);
+  TU_ASSERT(usbd_edpt_xfer(rhport, _btd_itf.ep_acl_out, _btd_epbuf.epout_buf, CFG_TUD_BTH_DATA_EPSIZE, false), 0);
 
   drv_len = hci_itf_size;
 
@@ -272,7 +272,7 @@ bool btd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result,
     tud_bt_acl_data_received_cb(_btd_epbuf.epout_buf, xferred_bytes);
 
     // prepare for next data
-    TU_ASSERT(usbd_edpt_xfer(rhport, _btd_itf.ep_acl_out, _btd_epbuf.epout_buf, CFG_TUD_BTH_DATA_EPSIZE));
+    TU_ASSERT(usbd_edpt_xfer(rhport, _btd_itf.ep_acl_out, _btd_epbuf.epout_buf, CFG_TUD_BTH_DATA_EPSIZE, false));
   } else if (ep_addr == _btd_itf.ep_ev) {
     tud_bt_event_sent_cb((uint16_t) xferred_bytes);
   } else if (ep_addr == _btd_itf.ep_acl_in) {
diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c
index f1c4a3bbf..bef430a5d 100644
--- a/src/class/cdc/cdc_device.c
+++ b/src/class/cdc/cdc_device.c
@@ -111,7 +111,7 @@ static bool _prep_out_transaction(uint8_t itf) {
   available = tu_fifo_remaining(&p_cdc->rx_ff);
 
   if (available >= CFG_TUD_CDC_EP_BUFSIZE) {
-    return usbd_edpt_xfer(rhport, p_cdc->ep_out, p_epbuf->epout, CFG_TUD_CDC_EP_BUFSIZE);
+    return usbd_edpt_xfer(rhport, p_cdc->ep_out, p_epbuf->epout, CFG_TUD_CDC_EP_BUFSIZE, false);
   } else {
     // Release endpoint since we don't make any transfer
     usbd_edpt_release(p_cdc->rhport, p_cdc->ep_out);
@@ -196,7 +196,7 @@ bool tud_cdc_n_notify_uart_state (uint8_t itf, const cdc_notify_uart_state_t *st
   notify_msg->request.wLength = sizeof(cdc_notify_uart_state_t);
   notify_msg->serial_state = *state;
 
-  return usbd_edpt_xfer(p_cdc->rhport, p_cdc->ep_notify, (uint8_t *)notify_msg, 8 + sizeof(cdc_notify_uart_state_t));
+  return usbd_edpt_xfer(p_cdc->rhport, p_cdc->ep_notify, (uint8_t *, false)notify_msg, 8 + sizeof(cdc_notify_uart_state_t));
 }
 
 bool tud_cdc_n_notify_conn_speed_change(uint8_t itf, const cdc_notify_conn_speed_change_t* conn_speed_change) {
@@ -213,7 +213,7 @@ bool tud_cdc_n_notify_conn_speed_change(uint8_t itf, const cdc_notify_conn_speed
   notify_msg->request.wLength = sizeof(cdc_notify_conn_speed_change_t);
   notify_msg->conn_speed_change = *conn_speed_change;
 
-  return usbd_edpt_xfer(p_cdc->rhport, p_cdc->ep_notify, (uint8_t *)notify_msg, 8 + sizeof(cdc_notify_conn_speed_change_t));
+  return usbd_edpt_xfer(p_cdc->rhport, p_cdc->ep_notify, (uint8_t *, false)notify_msg, 8 + sizeof(cdc_notify_conn_speed_change_t));
 }
 #endif
 
@@ -280,7 +280,7 @@ uint32_t tud_cdc_n_write_flush(uint8_t itf) {
   const uint16_t count = tu_fifo_read_n(&p_cdc->tx_ff, p_epbuf->epin, CFG_TUD_CDC_EP_BUFSIZE);
 
   if (count) {
-    TU_ASSERT(usbd_edpt_xfer(p_cdc->rhport, p_cdc->ep_in, p_epbuf->epin, count), 0);
+    TU_ASSERT(usbd_edpt_xfer(p_cdc->rhport, p_cdc->ep_in, p_epbuf->epin, count, false), 0);
     return count;
   } else {
     // Release endpoint since we don't make any transfer
@@ -560,7 +560,7 @@ bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_
       // xferred_bytes is multiple of EP Packet size and not zero
       if (!tu_fifo_count(&p_cdc->tx_ff) && xferred_bytes && (0 == (xferred_bytes & (BULK_PACKET_SIZE - 1)))) {
         if (usbd_edpt_claim(rhport, p_cdc->ep_in)) {
-          TU_ASSERT(usbd_edpt_xfer(rhport, p_cdc->ep_in, NULL, 0));
+          TU_ASSERT(usbd_edpt_xfer(rhport, p_cdc->ep_in, NULL, 0, false));
         }
       }
     }
diff --git a/src/class/hid/hid_device.c b/src/class/hid/hid_device.c
index b4f24902b..6ee4cd9c1 100644
--- a/src/class/hid/hid_device.c
+++ b/src/class/hid/hid_device.c
@@ -128,7 +128,7 @@ bool tud_hid_n_report(uint8_t instance, uint8_t report_id, void const *report, u
     TU_VERIFY(0 == tu_memcpy_s(p_epbuf->epin, CFG_TUD_HID_EP_BUFSIZE, report, len));
   }
 
-  return usbd_edpt_xfer(rhport, p_hid->ep_in, p_epbuf->epin, len);
+  return usbd_edpt_xfer(rhport, p_hid->ep_in, p_epbuf->epin, len, false);
 }
 
 uint8_t tud_hid_n_interface_protocol(uint8_t instance) {
@@ -263,7 +263,7 @@ uint16_t hidd_open(uint8_t rhport, tusb_desc_interface_t const *desc_itf, uint16
 
   // Prepare for output endpoint
   if (p_hid->ep_out) {
-    TU_ASSERT(usbd_edpt_xfer(rhport, p_hid->ep_out, p_epbuf->epout, CFG_TUD_HID_EP_BUFSIZE), drv_len);
+    TU_ASSERT(usbd_edpt_xfer(rhport, p_hid->ep_out, p_epbuf->epout, CFG_TUD_HID_EP_BUFSIZE, false), drv_len);
   }
 
   return drv_len;
@@ -413,7 +413,7 @@ bool hidd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_
     }
 
     // prepare for new transfer
-    TU_ASSERT(usbd_edpt_xfer(rhport, p_hid->ep_out, p_epbuf->epout, CFG_TUD_HID_EP_BUFSIZE));
+    TU_ASSERT(usbd_edpt_xfer(rhport, p_hid->ep_out, p_epbuf->epout, CFG_TUD_HID_EP_BUFSIZE, false));
   }
 
   return true;
diff --git a/src/class/midi/midi_device.c b/src/class/midi/midi_device.c
index 7dac7c4a5..c4b4925d6 100644
--- a/src/class/midi/midi_device.c
+++ b/src/class/midi/midi_device.c
@@ -99,7 +99,7 @@ static void _prep_out_transaction(uint8_t idx) {
   available = tu_fifo_remaining(&p_midi->rx_ff);
 
   if ( available >= CFG_TUD_MIDI_EP_BUFSIZE )  {
-    usbd_edpt_xfer(rhport, p_midi->ep_out, _midid_epbuf[idx].epout, CFG_TUD_MIDI_EP_BUFSIZE);
+    usbd_edpt_xfer(rhport, p_midi->ep_out, _midid_epbuf[idx].epout, CFG_TUD_MIDI_EP_BUFSIZE, false);
   }else
   {
     // Release endpoint since we don't make any transfer
@@ -228,7 +228,7 @@ static uint32_t write_flush(uint8_t idx) {
   uint16_t count = tu_fifo_read_n(&midi->tx_ff, _midid_epbuf[idx].epin, CFG_TUD_MIDI_EP_BUFSIZE);
 
   if (count) {
-    TU_ASSERT( usbd_edpt_xfer(rhport, midi->ep_in, _midid_epbuf[idx].epin, count), 0 );
+    TU_ASSERT( usbd_edpt_xfer(rhport, midi->ep_in, _midid_epbuf[idx].epin, count, false), 0 );
     return count;
   }else {
     // Release endpoint since we don't make any transfer
@@ -548,7 +548,7 @@ bool midid_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32
       // xferred_bytes is multiple of EP size and not zero
       if (!tu_fifo_count(&p_midi->tx_ff) && xferred_bytes && (0 == (xferred_bytes % CFG_TUD_MIDI_EP_BUFSIZE))) {
         if (usbd_edpt_claim(rhport, p_midi->ep_in)) {
-          usbd_edpt_xfer(rhport, p_midi->ep_in, NULL, 0);
+          usbd_edpt_xfer(rhport, p_midi->ep_in, NULL, 0, false);
         }
       }
     }
diff --git a/src/class/msc/msc_device.c b/src/class/msc/msc_device.c
index b0eafd5da..b272c80c0 100644
--- a/src/class/msc/msc_device.c
+++ b/src/class/msc/msc_device.c
@@ -113,13 +113,13 @@ static inline bool send_csw(mscd_interface_t* p_msc) {
   p_msc->csw.data_residue = p_msc->cbw.total_bytes - p_msc->xferred_len;
   p_msc->stage = MSC_STAGE_STATUS_SENT;
   memcpy(_mscd_epbuf.buf, &p_msc->csw, sizeof(msc_csw_t));
-  return usbd_edpt_xfer(rhport, p_msc->ep_in , _mscd_epbuf.buf, sizeof(msc_csw_t));
+  return usbd_edpt_xfer(rhport, p_msc->ep_in , _mscd_epbuf.buf, sizeof(msc_csw_t), false);
 }
 
 static inline bool prepare_cbw(mscd_interface_t* p_msc) {
   uint8_t rhport = p_msc->rhport;
   p_msc->stage = MSC_STAGE_CMD;
-  return usbd_edpt_xfer(rhport, p_msc->ep_out,  _mscd_epbuf.buf, sizeof(msc_cbw_t));
+  return usbd_edpt_xfer(rhport, p_msc->ep_out,  _mscd_epbuf.buf, sizeof(msc_cbw_t), false);
 }
 
 static void fail_scsi_op(mscd_interface_t* p_msc, uint8_t status) {
@@ -531,7 +531,7 @@ bool mscd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t
           } else {
             // Didn't check for case 9 (Ho > Dn), which requires examining scsi command first
             // but it is OK to just receive data then responded with failed status
-            TU_ASSERT(usbd_edpt_xfer(rhport, p_msc->ep_out, _mscd_epbuf.buf, (uint16_t) p_msc->total_len));
+            TU_ASSERT(usbd_edpt_xfer(rhport, p_msc->ep_out, _mscd_epbuf.buf, (uint16_t) p_msc->total_len, false));
           }
         } else {
           // First process if it is a built-in commands
@@ -563,7 +563,7 @@ bool mscd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t
             } else {
               // cannot return more than host expect
               p_msc->total_len = tu_min32((uint32_t)resplen, p_cbw->total_bytes);
-              TU_ASSERT(usbd_edpt_xfer(rhport, p_msc->ep_in, _mscd_epbuf.buf, (uint16_t) p_msc->total_len));
+              TU_ASSERT(usbd_edpt_xfer(rhport, p_msc->ep_in, _mscd_epbuf.buf, (uint16_t) p_msc->total_len, false));
             }
           }
         }
@@ -860,7 +860,7 @@ static void proc_read10_cmd(mscd_interface_t* p_msc) {
 static void proc_read_io_data(mscd_interface_t* p_msc, int32_t nbytes) {
   const uint8_t rhport = p_msc->rhport;
   if (nbytes > 0) {
-    TU_ASSERT(usbd_edpt_xfer(rhport, p_msc->ep_in, _mscd_epbuf.buf, (uint16_t) nbytes),);
+    TU_ASSERT(usbd_edpt_xfer(rhport, p_msc->ep_in, _mscd_epbuf.buf, (uint16_t) nbytes, false),);
   } else {
     // nbytes is status
     switch (nbytes) {
@@ -896,7 +896,7 @@ static void proc_write10_cmd(mscd_interface_t* p_msc) {
   // remaining bytes capped at class buffer
   uint16_t nbytes = (uint16_t)tu_min32(CFG_TUD_MSC_EP_BUFSIZE, p_cbw->total_bytes - p_msc->xferred_len);
   // Write10 callback will be called later when usb transfer complete
-  TU_ASSERT(usbd_edpt_xfer(p_msc->rhport, p_msc->ep_out, _mscd_epbuf.buf, nbytes),);
+  TU_ASSERT(usbd_edpt_xfer(p_msc->rhport, p_msc->ep_out, _mscd_epbuf.buf, nbytes, false),);
 }
 
 // process new data arrived from WRITE10
diff --git a/src/class/mtp/mtp_device.c b/src/class/mtp/mtp_device.c
index 04bde9415..0499f2dda 100644
--- a/src/class/mtp/mtp_device.c
+++ b/src/class/mtp/mtp_device.c
@@ -191,7 +191,7 @@ TU_ATTR_UNUSED static const char* _mtp_phase_str[] = {
 //--------------------------------------------------------------------+
 static bool prepare_new_command(mtpd_interface_t* p_mtp) {
   p_mtp->phase = MTP_PHASE_COMMAND;
-  return usbd_edpt_xfer(p_mtp->rhport, p_mtp->ep_out, _mtpd_epbuf.buf, CFG_TUD_MTP_EP_BUFSIZE);
+  return usbd_edpt_xfer(p_mtp->rhport, p_mtp->ep_out, _mtpd_epbuf.buf, CFG_TUD_MTP_EP_BUFSIZE, false);
 }
 
 static bool mtpd_data_xfer(mtp_container_info_t* p_container, uint8_t ep_addr) {
@@ -219,7 +219,7 @@ static bool mtpd_data_xfer(mtp_container_info_t* p_container, uint8_t ep_addr) {
   if (xact_len) {
     // already transferred all bytes in header's length. Application make an unnecessary extra call
     TU_VERIFY(usbd_edpt_claim(p_mtp->rhport, ep_addr));
-    TU_ASSERT(usbd_edpt_xfer(p_mtp->rhport, ep_addr, _mtpd_epbuf.buf, xact_len));
+    TU_ASSERT(usbd_edpt_xfer(p_mtp->rhport, ep_addr, _mtpd_epbuf.buf, xact_len, false));
   }
   return true;
 }
@@ -238,7 +238,7 @@ bool tud_mtp_response_send(mtp_container_info_t* p_container) {
   p_container->header->type = MTP_CONTAINER_TYPE_RESPONSE_BLOCK;
   p_container->header->transaction_id = p_mtp->command.header.transaction_id;
   TU_VERIFY(usbd_edpt_claim(p_mtp->rhport, p_mtp->ep_in));
-  return usbd_edpt_xfer(p_mtp->rhport, p_mtp->ep_in, _mtpd_epbuf.buf, (uint16_t)p_container->header->len);
+  return usbd_edpt_xfer(p_mtp->rhport, p_mtp->ep_in, _mtpd_epbuf.buf, (uint16_t) p_container->header->len, false);
 }
 
 bool tud_mtp_mounted(void) {
@@ -251,7 +251,7 @@ bool tud_mtp_event_send(mtp_event_t* event) {
   TU_VERIFY(p_mtp->ep_event != 0);
   _mtpd_epbuf.buf_event = *event;
   TU_VERIFY(usbd_edpt_claim(p_mtp->rhport, p_mtp->ep_event)); // Claim the endpoint
-  return usbd_edpt_xfer(p_mtp->rhport, p_mtp->ep_event, (uint8_t*) &_mtpd_epbuf.buf_event, sizeof(mtp_event_t));
+  return usbd_edpt_xfer(p_mtp->rhport, p_mtp->ep_event, (uint8_t*, false) &_mtpd_epbuf.buf_event, sizeof(mtp_event_t));
 }
 
 //--------------------------------------------------------------------+
diff --git a/src/class/net/ecm_rndis_device.c b/src/class/net/ecm_rndis_device.c
index 7dff66823..eaa82c187 100644
--- a/src/class/net/ecm_rndis_device.c
+++ b/src/class/net/ecm_rndis_device.c
@@ -82,12 +82,12 @@ static bool can_xmit;
 static bool ecm_link_is_up = true;  // Store link state for ECM mode
 
 void tud_network_recv_renew(void) {
-  usbd_edpt_xfer(0, _netd_itf.ep_out, _netd_epbuf.rx, NETD_PACKET_SIZE);
+  usbd_edpt_xfer(0, _netd_itf.ep_out, _netd_epbuf.rx, NETD_PACKET_SIZE, false);
 }
 
 static void do_in_xfer(uint8_t *buf, uint16_t len) {
   can_xmit = false;
-  usbd_edpt_xfer(0, _netd_itf.ep_in, buf, len);
+  usbd_edpt_xfer(0, _netd_itf.ep_in, buf, len, false);
 }
 
 void netd_report(uint8_t *buf, uint16_t len) {
@@ -100,7 +100,7 @@ void netd_report(uint8_t *buf, uint16_t len) {
   }
 
   memcpy(_netd_epbuf.notify, buf, len);
-  usbd_edpt_xfer(rhport, _netd_itf.ep_notif, _netd_epbuf.notify, len);
+  usbd_edpt_xfer(rhport, _netd_itf.ep_notif, _netd_epbuf.notify, len, false);
 }
 
 //--------------------------------------------------------------------+
diff --git a/src/class/net/ncm_device.c b/src/class/net/ncm_device.c
index 02833c5f1..5e6dc5610 100644
--- a/src/class/net/ncm_device.c
+++ b/src/class/net/ncm_device.c
@@ -205,7 +205,7 @@ static void notification_xmit(uint8_t rhport, bool force_next) {
 
     uint16_t notif_len = sizeof(notify_speed_change.header) + notify_speed_change.header.wLength;
     ncm_epbuf.epnotif = notify_speed_change;
-    usbd_edpt_xfer(rhport, ncm_interface.ep_notif, (uint8_t*) &ncm_epbuf.epnotif, notif_len);
+    usbd_edpt_xfer(rhport, ncm_interface.ep_notif, (uint8_t*, false) &ncm_epbuf.epnotif, notif_len);
 
     ncm_interface.notification_xmit_state = NOTIFICATION_CONNECTED;
     ncm_interface.notification_xmit_is_running = true;
@@ -227,7 +227,7 @@ static void notification_xmit(uint8_t rhport, bool force_next) {
 
     uint16_t notif_len = sizeof(notify_connected.header) + notify_connected.header.wLength;
     ncm_epbuf.epnotif = notify_connected;
-    usbd_edpt_xfer(rhport, ncm_interface.ep_notif, (uint8_t *) &ncm_epbuf.epnotif, notif_len);
+    usbd_edpt_xfer(rhport, ncm_interface.ep_notif, (uint8_t *, false) &ncm_epbuf.epnotif, notif_len);
 
     ncm_interface.notification_xmit_state = NOTIFICATION_DONE;
     ncm_interface.notification_xmit_is_running = true;
@@ -331,7 +331,7 @@ static bool xmit_insert_required_zlp(uint8_t rhport, uint32_t xferred_bytes) {
   TU_LOG_DRV("xmit_insert_required_zlp! (%u)\n", (unsigned) xferred_bytes);
 
   // start transmission of the ZLP
-  usbd_edpt_xfer(rhport, ncm_interface.ep_in, NULL, 0);
+  usbd_edpt_xfer(rhport, ncm_interface.ep_in, NULL, 0, false);
 
   return true;
 } // xmit_insert_required_zlp
@@ -377,7 +377,7 @@ static void xmit_start_if_possible(uint8_t rhport) {
   }
 
   // Kick off an endpoint transfer
-  usbd_edpt_xfer(0, ncm_interface.ep_in, ncm_interface.xmit_tinyusb_ntb->data, ncm_interface.xmit_tinyusb_ntb->nth.wBlockLength);
+  usbd_edpt_xfer(0, ncm_interface.ep_in, ncm_interface.xmit_tinyusb_ntb->data, ncm_interface.xmit_tinyusb_ntb->nth.wBlockLength, false);
 } // xmit_start_if_possible
 
 /**
@@ -526,7 +526,7 @@ static void recv_try_to_start_new_reception(uint8_t rhport) {
 
   // initiate transfer
   TU_LOG_DRV("  start reception\n");
-  bool r = usbd_edpt_xfer(rhport, ncm_interface.ep_out, ncm_interface.recv_tinyusb_ntb->data, CFG_TUD_NCM_OUT_NTB_MAX_SIZE);
+  bool r = usbd_edpt_xfer(rhport, ncm_interface.ep_out, ncm_interface.recv_tinyusb_ntb->data, CFG_TUD_NCM_OUT_NTB_MAX_SIZE, false);
   if (!r) {
     recv_put_ntb_into_free_list(ncm_interface.recv_tinyusb_ntb);
     ncm_interface.recv_tinyusb_ntb = NULL;
diff --git a/src/class/usbtmc/usbtmc_device.c b/src/class/usbtmc/usbtmc_device.c
index 3f6bedd4c..e97740079 100644
--- a/src/class/usbtmc/usbtmc_device.c
+++ b/src/class/usbtmc/usbtmc_device.c
@@ -261,7 +261,7 @@ bool tud_usbtmc_transmit_dev_msg_data(
   bool stateChanged =
       atomicChangeState(STATE_TX_REQUESTED, (packetLen >= txBufLen) ? STATE_TX_INITIATED : STATE_TX_SHORTED);
   TU_VERIFY(stateChanged);
-  TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t) packetLen));
+  TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t) packetLen, false));
   return true;
 }
 
@@ -273,7 +273,7 @@ bool tud_usbtmc_transmit_notification_data(const void *data, size_t len) {
   TU_VERIFY(usbd_edpt_busy(usbtmc_state.rhport, usbtmc_state.ep_int_in));
 
   TU_VERIFY(tu_memcpy_s(usbtmc_epbuf.epnotif, CFG_TUD_USBTMC_INT_EP_SIZE, data, len) == 0);
-  TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_int_in, usbtmc_epbuf.epnotif, (uint16_t) len));
+  TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_int_in, usbtmc_epbuf.epnotif, (uint16_t) len, false));
   return true;
 }
 
@@ -396,7 +396,7 @@ bool tud_usbtmc_start_bus_read(void) {
     default:
       return false;
   }
-  TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_bulk_out, usbtmc_epbuf.epout, (uint16_t) usbtmc_state.ep_bulk_out_wMaxPacketSize));
+  TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_bulk_out, usbtmc_epbuf.epout, (uint16_t) usbtmc_state.ep_bulk_out_wMaxPacketSize, false));
   return true;
 }
 
@@ -567,7 +567,7 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
         if (usbtmc_state.transfer_size_remaining >= USBTMCD_BUFFER_SIZE) {
           // Copy buffer to ensure alignment correctness
           memcpy(usbtmc_epbuf.epin, usbtmc_state.devInBuffer, USBTMCD_BUFFER_SIZE);
-          TU_VERIFY(usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, USBTMCD_BUFFER_SIZE));
+          TU_VERIFY(usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, USBTMCD_BUFFER_SIZE, false));
           usbtmc_state.devInBuffer += USBTMCD_BUFFER_SIZE;
           usbtmc_state.transfer_size_remaining -= USBTMCD_BUFFER_SIZE;
           usbtmc_state.transfer_size_sent += USBTMCD_BUFFER_SIZE;
@@ -578,7 +578,7 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
           usbtmc_state.transfer_size_sent += packetLen;
           usbtmc_state.transfer_size_remaining = 0;
           usbtmc_state.devInBuffer = NULL;
-          TU_VERIFY(usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t) packetLen));
+          TU_VERIFY(usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t) packetLen, false));
           if (((packetLen % usbtmc_state.ep_bulk_in_wMaxPacketSize) != 0) || (packetLen == 0)) {
             usbtmc_state.state = STATE_TX_SHORTED;
           }
@@ -587,7 +587,7 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
 
       case STATE_ABORTING_BULK_IN:
         // need to send short packet  (ZLP?)
-        TU_VERIFY(usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t) 0u));
+        TU_VERIFY(usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t) 0u, false));
         usbtmc_state.state = STATE_ABORTING_BULK_IN_SHORTED;
         return true;
 
@@ -713,7 +713,7 @@ bool usbtmcd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request
         criticalLeave();
         if (usbtmc_state.transfer_size_sent == 0) {
           // Send short packet, nothing is in the buffer yet
-          TU_VERIFY(usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t) 0u));
+          TU_VERIFY(usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t) 0u, false));
           usbtmc_state.state = STATE_ABORTING_BULK_IN_SHORTED;
         }
         TU_VERIFY(tud_usbtmc_initiate_abort_bulk_in_cb(&(rsp.USBTMC_status)));
@@ -841,7 +841,7 @@ bool usbtmcd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request
                   },
                   .StatusByte = tud_usbtmc_get_stb_cb(&(rsp.USBTMC_status))};
           // Must be queued before control request response sent (USB488v1.0 4.3.1.2)
-          usbd_edpt_xfer(rhport, usbtmc_state.ep_int_in, (void *) &intMsg, sizeof(intMsg));
+          usbd_edpt_xfer(rhport, usbtmc_state.ep_int_in, (void *, false) &intMsg, sizeof(intMsg));
         }
       } else {
         rsp.statusByte = tud_usbtmc_get_stb_cb(&(rsp.USBTMC_status));
diff --git a/src/class/video/video_device.c b/src/class/video/video_device.c
index 5c00cc358..2c610c469 100644
--- a/src/class/video/video_device.c
+++ b/src/class/video/video_device.c
@@ -1262,7 +1262,7 @@ bool tud_video_n_frame_xfer(uint_fast8_t ctl_idx, uint_fast8_t stm_idx, void *bu
   stm->buffer     = (uint8_t*)buffer;
   stm->bufsize    = bufsize;
   uint_fast16_t pkt_len = _prepare_in_payload(stm, stm_epbuf->buf);
-  TU_ASSERT( usbd_edpt_xfer(0, ep_addr, stm_epbuf->buf, (uint16_t) pkt_len), 0);
+  TU_ASSERT( usbd_edpt_xfer(0, ep_addr, stm_epbuf->buf, (uint16_t) pkt_len, false), 0);
   return true;
 }
 
@@ -1433,7 +1433,7 @@ bool videod_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint3
     /* Claim the endpoint */
     TU_VERIFY( usbd_edpt_claim(rhport, ep_addr), 0);
     uint_fast16_t pkt_len = _prepare_in_payload(stm, stm_epbuf->buf);
-    TU_ASSERT( usbd_edpt_xfer(rhport, ep_addr, stm_epbuf->buf, (uint16_t) pkt_len), 0);
+    TU_ASSERT( usbd_edpt_xfer(rhport, ep_addr, stm_epbuf->buf, (uint16_t) pkt_len, false), 0);
   } else {
     stm->buffer  = NULL;
     stm->bufsize = 0;
diff --git a/src/device/usbd.c b/src/device/usbd.c
index d5ebcc66b..a664c2186 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -1410,7 +1410,7 @@ bool usbd_edpt_release(uint8_t rhport, uint8_t ep_addr) {
   return tu_edpt_release(ep_state, _usbd_mutex);
 }
 
-bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes) {
+bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes, bool is_isr) {
   rhport = _usbd_rhport;
 
   uint8_t const epnum = tu_edpt_number(ep_addr);
@@ -1433,7 +1433,7 @@ bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t t
   // could return and USBD task can preempt and clear the busy
   _usbd_dev.ep_status[epnum][dir].busy = 1;
 
-  if (dcd_edpt_xfer(rhport, ep_addr, buffer, total_bytes, false)) {
+  if (dcd_edpt_xfer(rhport, ep_addr, buffer, total_bytes, is_isr)) {
     return true;
   } else {
     // DCD error, mark endpoint as ready to allow next transfer
@@ -1449,7 +1449,7 @@ bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t t
 // bytes should be written and second to keep the return value free to give back a boolean
 // success message. If total_bytes is too big, the FIFO will copy only what is available
 // into the USB buffer!
-bool usbd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t* ff, uint16_t total_bytes) {
+bool usbd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t* ff, uint16_t total_bytes, bool is_isr) {
   rhport = _usbd_rhport;
 
   uint8_t const epnum = tu_edpt_number(ep_addr);
@@ -1464,7 +1464,7 @@ bool usbd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t* ff, uint16_
   // and usbd task can preempt and clear the busy
   _usbd_dev.ep_status[epnum][dir].busy = 1;
 
-  if (dcd_edpt_xfer_fifo(rhport, ep_addr, ff, total_bytes, false)) {
+  if (dcd_edpt_xfer_fifo(rhport, ep_addr, ff, total_bytes, is_isr)) {
     TU_LOG_USBD("OK\r\n");
     return true;
   } else {
diff --git a/src/device/usbd_control.c b/src/device/usbd_control.c
index c9700fd9d..b75362425 100644
--- a/src/device/usbd_control.c
+++ b/src/device/usbd_control.c
@@ -71,7 +71,7 @@ CFG_TUD_MEM_SECTION static struct {
 static inline bool status_stage_xact(uint8_t rhport, const tusb_control_request_t* request) {
   // Opposite to endpoint in Data Phase
   const uint8_t ep_addr = request->bmRequestType_bit.direction ? EDPT_CTRL_OUT : EDPT_CTRL_IN;
-  return usbd_edpt_xfer(rhport, ep_addr, NULL, 0);
+  return usbd_edpt_xfer(rhport, ep_addr, NULL, 0, false);
 }
 
 // Status phase
@@ -98,7 +98,7 @@ static bool data_stage_xact(uint8_t rhport) {
     }
   }
 
-  return usbd_edpt_xfer(rhport, ep_addr, xact_len ? _ctrl_epbuf.buf : NULL, xact_len);
+  return usbd_edpt_xfer(rhport, ep_addr, xact_len ? _ctrl_epbuf.buf : NULL, xact_len, false);
 }
 
 // Transmit data to/from the control endpoint.
diff --git a/src/device/usbd_pvt.h b/src/device/usbd_pvt.h
index a688cf497..a1c884f12 100644
--- a/src/device/usbd_pvt.h
+++ b/src/device/usbd_pvt.h
@@ -84,10 +84,10 @@ bool usbd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * desc_ep);
 void usbd_edpt_close(uint8_t rhport, uint8_t ep_addr);
 
 // Submit a usb transfer
-bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes);
+bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes, bool is_isr);
 
 // Submit a usb ISO transfer by use of a FIFO (ring buffer) - all bytes in FIFO get transmitted
-bool usbd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16_t total_bytes);
+bool usbd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16_t total_bytes, bool is_isr);
 
 // Claim an endpoint before submitting a transfer.
 // If caller does not make any transfer, it must release endpoint for others.
diff --git a/src/tusb.c b/src/tusb.c
index 083e6d861..7f451ee70 100644
--- a/src/tusb.c
+++ b/src/tusb.c
@@ -378,7 +378,7 @@ TU_ATTR_ALWAYS_INLINE static inline bool stream_xfer(uint8_t hwid, tu_edpt_strea
     #endif
   } else {
     #if CFG_TUD_ENABLED
-    return usbd_edpt_xfer(hwid, s->ep_addr, count ? s->ep_buf : NULL, count);
+    return usbd_edpt_xfer(hwid, s->ep_addr, count ? s->ep_buf : NULL, count, false);
     #endif
   }
   return false;
-- 
cgit v1.3.1


From d92b810df7670aae0e195fd02abef5014470c2f7 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Tue, 28 Oct 2025 13:21:38 +0700
Subject: fix Identifiers that start with '__' or '_[A-Z]' are reserved. fix
 compiling with nuc family

---
 .github/actions/setup_toolchain/action.yml         |  2 +-
 .../device/audio_4_channel_mic/src/tusb_config.h   |  6 +-
 .../audio_4_channel_mic/src/usb_descriptors.c      |  6 +-
 .../audio_4_channel_mic_freertos/src/tusb_config.h |  6 +-
 .../src/usb_descriptors.c                          |  6 +-
 examples/device/audio_test/src/tusb_config.h       |  6 +-
 examples/device/audio_test/src/usb_descriptors.c   |  6 +-
 .../device/audio_test_freertos/src/tusb_config.h   |  6 +-
 .../audio_test_freertos/src/usb_descriptors.c      |  6 +-
 .../device/audio_test_multi_rate/src/tusb_config.h |  6 +-
 .../audio_test_multi_rate/src/usb_descriptors.c    |  6 +-
 examples/device/board_test/src/tusb_config.h       |  6 +-
 examples/device/cdc_dual_ports/src/tusb_config.h   |  6 +-
 .../device/cdc_dual_ports/src/usb_descriptors.c    |  6 +-
 examples/device/cdc_msc/src/msc_disk.c             | 99 +++++++++++-----------
 examples/device/cdc_msc/src/tusb_config.h          |  6 +-
 examples/device/cdc_msc/src/usb_descriptors.c      |  6 +-
 examples/device/cdc_msc_freertos/src/tusb_config.h |  6 +-
 .../device/cdc_msc_freertos/src/usb_descriptors.c  |  6 +-
 examples/device/cdc_uac2/src/tusb_config.h         |  6 +-
 examples/device/cdc_uac2/src/usb_descriptors.c     |  6 +-
 examples/device/dfu/src/usb_descriptors.c          |  6 +-
 examples/device/dfu_runtime/src/usb_descriptors.c  |  6 +-
 .../device/dynamic_configuration/src/tusb_config.h |  6 +-
 .../dynamic_configuration/src/usb_descriptors.c    |  6 +-
 .../device/hid_boot_interface/src/tusb_config.h    |  6 +-
 .../hid_boot_interface/src/usb_descriptors.c       |  6 +-
 examples/device/hid_composite/src/tusb_config.h    |  6 +-
 .../device/hid_composite/src/usb_descriptors.c     |  6 +-
 .../hid_composite_freertos/src/tusb_config.h       |  6 +-
 .../hid_composite_freertos/src/usb_descriptors.c   |  6 +-
 .../device/hid_generic_inout/src/tusb_config.h     |  6 +-
 .../device/hid_generic_inout/src/usb_descriptors.c |  6 +-
 .../hid_multiple_interface/src/tusb_config.h       |  6 +-
 .../hid_multiple_interface/src/usb_descriptors.c   |  6 +-
 examples/device/midi_test/src/tusb_config.h        |  6 +-
 examples/device/midi_test/src/usb_descriptors.c    |  6 +-
 .../device/midi_test_freertos/src/tusb_config.h    |  6 +-
 .../midi_test_freertos/src/usb_descriptors.c       |  6 +-
 examples/device/msc_dual_lun/src/tusb_config.h     |  6 +-
 examples/device/msc_dual_lun/src/usb_descriptors.c |  6 +-
 examples/device/mtp/src/tusb_config.h              |  6 +-
 examples/device/mtp/src/usb_descriptors.c          |  6 +-
 .../device/net_lwip_webserver/src/tusb_config.h    |  6 +-
 .../net_lwip_webserver/src/usb_descriptors.c       |  6 +-
 examples/device/uac2_headset/src/tusb_config.h     |  6 +-
 examples/device/uac2_headset/src/usb_descriptors.c |  6 +-
 examples/device/uac2_speaker_fb/src/tusb_config.h  |  6 +-
 .../device/uac2_speaker_fb/src/usb_descriptors.c   |  6 +-
 examples/device/usbtmc/src/usb_descriptors.c       |  6 +-
 examples/device/video_capture/src/tusb_config.h    |  6 +-
 .../device/video_capture/src/usb_descriptors.c     |  6 +-
 .../device/video_capture_2ch/src/tusb_config.h     |  6 +-
 .../device/video_capture_2ch/src/usb_descriptors.c |  6 +-
 examples/device/webusb_serial/src/tusb_config.h    |  6 +-
 .../device/webusb_serial/src/usb_descriptors.c     |  6 +-
 .../host_hid_to_device_cdc/src/usb_descriptors.c   |  6 +-
 .../host_info_to_device_cdc/src/usb_descriptors.c  |  6 +-
 examples/host/cdc_msc_hid/src/tusb_config.h        |  6 +-
 .../host/cdc_msc_hid_freertos/src/tusb_config.h    |  6 +-
 examples/host/hid_controller/src/tusb_config.h     |  6 +-
 examples/host/msc_file_explorer/src/tusb_config.h  |  6 +-
 examples/typec/power_delivery/src/tusb_config.h    |  6 +-
 hw/bsp/ansi_escape.h                               |  6 +-
 hw/bsp/nuc100_120/family.cmake                     | 12 ++-
 hw/bsp/nuc121_125/family.cmake                     | 12 +--
 hw/bsp/nuc126/family.cmake                         | 12 +--
 hw/bsp/nuc505/family.cmake                         | 12 +--
 lib/rt-thread/tusb_config.h                        |  6 +-
 src/class/audio/audio.h                            |  4 +-
 src/class/audio/audio_device.h                     |  2 +-
 src/class/bth/bth_device.h                         |  6 +-
 src/class/cdc/cdc.h                                |  4 +-
 src/class/cdc/cdc_device.h                         |  2 +-
 src/class/cdc/cdc_host.h                           |  6 +-
 src/class/cdc/cdc_rndis.h                          |  6 +-
 src/class/cdc/cdc_rndis_host.h                     |  6 +-
 src/class/dfu/dfu.h                                |  6 +-
 src/class/dfu/dfu_device.h                         |  6 +-
 src/class/dfu/dfu_rt_device.h                      |  6 +-
 src/class/hid/hid.h                                |  6 +-
 src/class/hid/hid_host.h                           |  6 +-
 src/class/midi/midi_device.h                       |  6 +-
 src/class/msc/msc.h                                |  6 +-
 src/class/msc/msc_device.h                         |  6 +-
 src/class/net/ncm.h                                |  4 +-
 src/class/net/net_device.h                         |  6 +-
 src/class/usbtmc/usbtmc.h                          |  4 +-
 src/class/vendor/vendor_device.h                   |  6 +-
 src/class/vendor/vendor_host.h                     |  6 +-
 src/common/tusb_common.h                           |  6 +-
 src/common/tusb_compiler.h                         | 18 ++--
 src/common/tusb_debug.h                            |  6 +-
 src/common/tusb_fifo.h                             |  6 +-
 src/device/usbd.h                                  |  6 +-
 src/host/hcd.h                                     |  4 +-
 src/host/usbh.h                                    |  6 +-
 src/host/usbh_pvt.h                                |  4 +-
 src/osal/osal.h                                    |  6 +-
 src/osal/osal_none.h                               |  2 +-
 src/portable/ehci/ehci.h                           |  6 +-
 src/portable/ehci/ehci_api.h                       |  4 +-
 src/portable/nxp/lpc17_40/dcd_lpc17_40.h           |  4 +-
 src/portable/ohci/ohci.h                           |  6 +-
 src/portable/renesas/rusb2/rusb2_type.h            |  6 +-
 src/portable/sunxi/musb_def.h                      |  4 +-
 src/portable/synopsys/dwc2/dwc2_bcm.h              |  4 +-
 src/portable/valentyusb/eptri/dcd_eptri.h          |  6 +-
 src/tusb.h                                         |  6 +-
 src/tusb_option.h                                  |  6 +-
 src/typec/pd_types.h                               |  4 +-
 src/typec/tcd.h                                    |  4 +-
 src/typec/usbc.h                                   |  6 +-
 test/fuzz/device/cdc/src/tusb_config.h             |  6 +-
 test/fuzz/device/cdc/src/usb_descriptors.cc        |  6 +-
 test/fuzz/device/msc/src/tusb_config.h             |  6 +-
 test/fuzz/device/msc/src/usb_descriptors.cc        |  6 +-
 test/fuzz/device/net/src/tusb_config.h             |  6 +-
 test/fuzz/device/net/src/usb_descriptors.cc        |  6 +-
 test/unit-test/test/support/tusb_config.h          |  6 +-
 120 files changed, 404 insertions(+), 405 deletions(-)

(limited to 'src/class/hid')

diff --git a/.github/actions/setup_toolchain/action.yml b/.github/actions/setup_toolchain/action.yml
index 292fd172d..d15a29f20 100644
--- a/.github/actions/setup_toolchain/action.yml
+++ b/.github/actions/setup_toolchain/action.yml
@@ -33,7 +33,7 @@ runs:
       env:
         TOOLCHAIN: ${{ inputs.toolchain }}
       run: |
-        TOOLCHAIN_URL=$(jq -r '."$TOOLCHAIN"' .github/actions/setup_toolchain/toolchain.json)
+        TOOLCHAIN_URL=$(jq -r --arg tc "$TOOLCHAIN" '.[$tc]' .github/actions/setup_toolchain/toolchain.json)
         echo "toolchain_url=$TOOLCHAIN_URL"
         echo "toolchain_url=$TOOLCHAIN_URL" >> $GITHUB_OUTPUT
       shell: bash
diff --git a/examples/device/audio_4_channel_mic/src/tusb_config.h b/examples/device/audio_4_channel_mic/src/tusb_config.h
index 0ee3ba2d0..8ead5c8b0 100644
--- a/examples/device/audio_4_channel_mic/src/tusb_config.h
+++ b/examples/device/audio_4_channel_mic/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -123,4 +123,4 @@ extern "C" {
 }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/audio_4_channel_mic/src/usb_descriptors.c b/examples/device/audio_4_channel_mic/src/usb_descriptors.c
index d48ee0d08..73f856fc8 100644
--- a/examples/device/audio_4_channel_mic/src/usb_descriptors.c
+++ b/examples/device/audio_4_channel_mic/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]     AUDIO | MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-    _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VENDOR, 5) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+    PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/audio_4_channel_mic_freertos/src/tusb_config.h b/examples/device/audio_4_channel_mic_freertos/src/tusb_config.h
index d973be2af..dd7cc7eff 100644
--- a/examples/device/audio_4_channel_mic_freertos/src/tusb_config.h
+++ b/examples/device/audio_4_channel_mic_freertos/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -129,4 +129,4 @@ extern "C" {
 }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/audio_4_channel_mic_freertos/src/usb_descriptors.c b/examples/device/audio_4_channel_mic_freertos/src/usb_descriptors.c
index d48ee0d08..73f856fc8 100644
--- a/examples/device/audio_4_channel_mic_freertos/src/usb_descriptors.c
+++ b/examples/device/audio_4_channel_mic_freertos/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]     AUDIO | MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-    _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VENDOR, 5) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+    PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/audio_test/src/tusb_config.h b/examples/device/audio_test/src/tusb_config.h
index 10bf53809..2efec5124 100644
--- a/examples/device/audio_test/src/tusb_config.h
+++ b/examples/device/audio_test/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -122,4 +122,4 @@ extern "C" {
 }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/audio_test/src/usb_descriptors.c b/examples/device/audio_test/src/usb_descriptors.c
index 52ddc1bb2..5f0f587b3 100644
--- a/examples/device/audio_test/src/usb_descriptors.c
+++ b/examples/device/audio_test/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]     AUDIO | MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-    _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VENDOR, 5) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+    PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/audio_test_freertos/src/tusb_config.h b/examples/device/audio_test_freertos/src/tusb_config.h
index c9dc50082..4dad6c2b9 100644
--- a/examples/device/audio_test_freertos/src/tusb_config.h
+++ b/examples/device/audio_test_freertos/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -128,4 +128,4 @@ extern "C" {
 }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/audio_test_freertos/src/usb_descriptors.c b/examples/device/audio_test_freertos/src/usb_descriptors.c
index 52ddc1bb2..5f0f587b3 100644
--- a/examples/device/audio_test_freertos/src/usb_descriptors.c
+++ b/examples/device/audio_test_freertos/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]     AUDIO | MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-    _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VENDOR, 5) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+    PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/audio_test_multi_rate/src/tusb_config.h b/examples/device/audio_test_multi_rate/src/tusb_config.h
index b48c0a0be..7ce235df0 100644
--- a/examples/device/audio_test_multi_rate/src/tusb_config.h
+++ b/examples/device/audio_test_multi_rate/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -138,4 +138,4 @@ extern "C" {
 }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/audio_test_multi_rate/src/usb_descriptors.c b/examples/device/audio_test_multi_rate/src/usb_descriptors.c
index d1e801120..11e5d2127 100644
--- a/examples/device/audio_test_multi_rate/src/usb_descriptors.c
+++ b/examples/device/audio_test_multi_rate/src/usb_descriptors.c
@@ -34,9 +34,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]     AUDIO | MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-    _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VENDOR, 5) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+    PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/board_test/src/tusb_config.h b/examples/device/board_test/src/tusb_config.h
index 81829d450..97ec65f66 100644
--- a/examples/device/board_test/src/tusb_config.h
+++ b/examples/device/board_test/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -74,4 +74,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/cdc_dual_ports/src/tusb_config.h b/examples/device/cdc_dual_ports/src/tusb_config.h
index 7f7df3909..0da4032a7 100644
--- a/examples/device/cdc_dual_ports/src/tusb_config.h
+++ b/examples/device/cdc_dual_ports/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -110,4 +110,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/cdc_dual_ports/src/usb_descriptors.c b/examples/device/cdc_dual_ports/src/usb_descriptors.c
index 34cdbfafb..dd0aefaea 100644
--- a/examples/device/cdc_dual_ports/src/usb_descriptors.c
+++ b/examples/device/cdc_dual_ports/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 #define USB_VID   0xCafe
 #define USB_BCD   0x0200
diff --git a/examples/device/cdc_msc/src/msc_disk.c b/examples/device/cdc_msc/src/msc_disk.c
index b39f5efa1..1a95f7f8b 100644
--- a/examples/device/cdc_msc/src/msc_disk.c
+++ b/examples/device/cdc_msc/src/msc_disk.c
@@ -58,63 +58,64 @@ uint8_t msc_disk[DISK_BLOCK_NUM][DISK_BLOCK_SIZE] = {
   // drive_number       = 0x80; media_type = 0xf8; extended_boot_signature = 0x29;
   // filesystem_type    = "FAT12   "; volume_serial_number = 0x1234; volume_label = "TinyUSB MSC";
   // FAT magic code at offset 510-511
-{
-    0xEB, 0x3C, 0x90, 0x4D, 0x53, 0x44, 0x4F, 0x53, 0x35, 0x2E, 0x30, 0x00, 0x02, 0x01, 0x01, 0x00,
-    0x01, 0x10, 0x00, 0x10, 0x00, 0xF8, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x29, 0x34, 0x12, 0x00, 0x00, 'T', 'i', 'n', 'y', 'U',
-    'S', 'B', ' ', 'M', 'S', 'C', 0x46, 0x41, 0x54, 0x31, 0x32, 0x20, 0x20, 0x20, 0x00, 0x00,
-
-    // Zero up to 2 last bytes of FAT magic code
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0xAA},
+  {
+      0xEB, 0x3C, 0x90, 0x4D, 0x53, 0x44, 0x4F, 0x53, 0x35, 0x2E, 0x30, 0x00, 0x02, 0x01, 0x01, 0x00,
+      0x01, 0x10, 0x00, 0x10, 0x00, 0xF8, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x29, 0x34, 0x12, 0x00, 0x00, 'T', 'i', 'n', 'y', 'U',
+      'S', 'B', ' ', 'M', 'S', 'C', 0x46, 0x41, 0x54, 0x31, 0x32, 0x20, 0x20, 0x20, 0x00, 0x00,
+
+      // Zero up to 2 last bytes of FAT magic code
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0xAA
+  },
 
   //------------- Block1: FAT12 Table -------------//
-{
-      0xF8, 0xFF, 0xFF, 0xFF, 0x0F// // first 2 entries must be F8FF, third entry is cluster end of readme file
+  {
+      0xF8, 0xFF, 0xFF, 0xFF, 0x0F// first 2 entries must be F8FF, third entry is cluster end of readme file
   },
 
   //------------- Block2: Root Directory -------------//
-{
-    // first entry is volume label
-    'T', 'i', 'n', 'y', 'U', 'S', 'B', ' ', 'M', 'S', 'C', 0x08, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4F, 0x6D, 0x65, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    // second entry is readme file
-    'R', 'E', 'A', 'D', 'M', 'E', ' ', ' ', 'T', 'X', 'T', 0x20, 0x00, 0xC6, 0x52, 0x6D,
-    0x65, 0x43, 0x65, 0x43, 0x00, 0x00, 0x88, 0x6D, 0x65, 0x43, 0x02, 0x00,
-    sizeof(README_CONTENTS) - 1, 0x00, 0x00, 0x00// readme's files size (4 Bytes)
+  {
+      // first entry is volume label
+      'T', 'i', 'n', 'y', 'U', 'S', 'B', ' ', 'M', 'S', 'C', 0x08, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4F, 0x6D, 0x65, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      // second entry is readme file
+      'R', 'E', 'A', 'D', 'M', 'E', ' ', ' ', 'T', 'X', 'T', 0x20, 0x00, 0xC6, 0x52, 0x6D,
+      0x65, 0x43, 0x65, 0x43, 0x00, 0x00, 0x88, 0x6D, 0x65, 0x43, 0x02, 0x00,
+      sizeof(README_CONTENTS) - 1, 0x00, 0x00, 0x00// readme's files size (4 Bytes)
   },
 
   //------------- Block3: Readme Content -------------//
-  README_CONTENTS
+  {README_CONTENTS}
 };
 
 // Invoked when received SCSI_CMD_INQUIRY, v2 with full inquiry response
diff --git a/examples/device/cdc_msc/src/tusb_config.h b/examples/device/cdc_msc/src/tusb_config.h
index 811d464e9..fdb2ddf18 100644
--- a/examples/device/cdc_msc/src/tusb_config.h
+++ b/examples/device/cdc_msc/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -113,4 +113,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/cdc_msc/src/usb_descriptors.c b/examples/device/cdc_msc/src/usb_descriptors.c
index c9b9a133a..c668ea3a7 100644
--- a/examples/device/cdc_msc/src/usb_descriptors.c
+++ b/examples/device/cdc_msc/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 #define USB_VID   0xCafe
 #define USB_BCD   0x0200
diff --git a/examples/device/cdc_msc_freertos/src/tusb_config.h b/examples/device/cdc_msc_freertos/src/tusb_config.h
index 9cc3a18d1..6b1937a8d 100644
--- a/examples/device/cdc_msc_freertos/src/tusb_config.h
+++ b/examples/device/cdc_msc_freertos/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -120,4 +120,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/cdc_msc_freertos/src/usb_descriptors.c b/examples/device/cdc_msc_freertos/src/usb_descriptors.c
index 58b39a2dd..4950f02e0 100644
--- a/examples/device/cdc_msc_freertos/src/usb_descriptors.c
+++ b/examples/device/cdc_msc_freertos/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 #define USB_VID   0xCafe
 #define USB_BCD   0x0200
diff --git a/examples/device/cdc_uac2/src/tusb_config.h b/examples/device/cdc_uac2/src/tusb_config.h
index 2e744f8d2..bd1dfc688 100644
--- a/examples/device/cdc_uac2/src/tusb_config.h
+++ b/examples/device/cdc_uac2/src/tusb_config.h
@@ -24,8 +24,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -171,4 +171,4 @@ extern "C" {
 }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/cdc_uac2/src/usb_descriptors.c b/examples/device/cdc_uac2/src/usb_descriptors.c
index 19ed63b51..252b602ac 100644
--- a/examples/device/cdc_uac2/src/usb_descriptors.c
+++ b/examples/device/cdc_uac2/src/usb_descriptors.c
@@ -35,9 +35,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]     AUDIO | MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-    _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VENDOR, 5) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+    PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/dfu/src/usb_descriptors.c b/examples/device/dfu/src/usb_descriptors.c
index a7fca87cd..14ec315ea 100644
--- a/examples/device/dfu/src/usb_descriptors.c
+++ b/examples/device/dfu/src/usb_descriptors.c
@@ -33,9 +33,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/dfu_runtime/src/usb_descriptors.c b/examples/device/dfu_runtime/src/usb_descriptors.c
index d64ad151f..1d46ee252 100644
--- a/examples/device/dfu_runtime/src/usb_descriptors.c
+++ b/examples/device/dfu_runtime/src/usb_descriptors.c
@@ -33,9 +33,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/dynamic_configuration/src/tusb_config.h b/examples/device/dynamic_configuration/src/tusb_config.h
index b9b3878cc..7309d97c9 100644
--- a/examples/device/dynamic_configuration/src/tusb_config.h
+++ b/examples/device/dynamic_configuration/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -112,4 +112,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/dynamic_configuration/src/usb_descriptors.c b/examples/device/dynamic_configuration/src/usb_descriptors.c
index 4599c6f82..083279938 100644
--- a/examples/device/dynamic_configuration/src/usb_descriptors.c
+++ b/examples/device/dynamic_configuration/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 // Configuration mode
 // 0 : enumerated as CDC/MIDI. Board button is not pressed when enumerating
diff --git a/examples/device/hid_boot_interface/src/tusb_config.h b/examples/device/hid_boot_interface/src/tusb_config.h
index 52723e09f..5d6fd62e1 100644
--- a/examples/device/hid_boot_interface/src/tusb_config.h
+++ b/examples/device/hid_boot_interface/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -104,4 +104,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/hid_boot_interface/src/usb_descriptors.c b/examples/device/hid_boot_interface/src/usb_descriptors.c
index a830dfea8..9b4becc85 100644
--- a/examples/device/hid_boot_interface/src/usb_descriptors.c
+++ b/examples/device/hid_boot_interface/src/usb_descriptors.c
@@ -33,9 +33,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/hid_composite/src/tusb_config.h b/examples/device/hid_composite/src/tusb_config.h
index 6bd32c427..895745ed2 100644
--- a/examples/device/hid_composite/src/tusb_config.h
+++ b/examples/device/hid_composite/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -104,4 +104,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/hid_composite/src/usb_descriptors.c b/examples/device/hid_composite/src/usb_descriptors.c
index 168f3f325..46e4b63f9 100644
--- a/examples/device/hid_composite/src/usb_descriptors.c
+++ b/examples/device/hid_composite/src/usb_descriptors.c
@@ -33,9 +33,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 #define USB_VID   0xCafe
 #define USB_BCD   0x0200
diff --git a/examples/device/hid_composite_freertos/src/tusb_config.h b/examples/device/hid_composite_freertos/src/tusb_config.h
index b28033a0c..ad067ac82 100644
--- a/examples/device/hid_composite_freertos/src/tusb_config.h
+++ b/examples/device/hid_composite_freertos/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -111,4 +111,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/hid_composite_freertos/src/usb_descriptors.c b/examples/device/hid_composite_freertos/src/usb_descriptors.c
index dd8682e64..a745c17b5 100644
--- a/examples/device/hid_composite_freertos/src/usb_descriptors.c
+++ b/examples/device/hid_composite_freertos/src/usb_descriptors.c
@@ -33,9 +33,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 #define USB_VID   0xCafe
 #define USB_BCD   0x0200
diff --git a/examples/device/hid_generic_inout/src/tusb_config.h b/examples/device/hid_generic_inout/src/tusb_config.h
index 98143ac4d..58dc52afc 100644
--- a/examples/device/hid_generic_inout/src/tusb_config.h
+++ b/examples/device/hid_generic_inout/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -104,4 +104,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/hid_generic_inout/src/usb_descriptors.c b/examples/device/hid_generic_inout/src/usb_descriptors.c
index b8bcda30e..f26333d50 100644
--- a/examples/device/hid_generic_inout/src/usb_descriptors.c
+++ b/examples/device/hid_generic_inout/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/hid_multiple_interface/src/tusb_config.h b/examples/device/hid_multiple_interface/src/tusb_config.h
index 49dc962fe..e1805017d 100644
--- a/examples/device/hid_multiple_interface/src/tusb_config.h
+++ b/examples/device/hid_multiple_interface/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -104,4 +104,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/hid_multiple_interface/src/usb_descriptors.c b/examples/device/hid_multiple_interface/src/usb_descriptors.c
index 0c5645247..cd2d93c44 100644
--- a/examples/device/hid_multiple_interface/src/usb_descriptors.c
+++ b/examples/device/hid_multiple_interface/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/midi_test/src/tusb_config.h b/examples/device/midi_test/src/tusb_config.h
index 314dde438..f4282b2d7 100644
--- a/examples/device/midi_test/src/tusb_config.h
+++ b/examples/device/midi_test/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -105,4 +105,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/midi_test/src/usb_descriptors.c b/examples/device/midi_test/src/usb_descriptors.c
index da873479e..e969f33a3 100644
--- a/examples/device/midi_test/src/usb_descriptors.c
+++ b/examples/device/midi_test/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/midi_test_freertos/src/tusb_config.h b/examples/device/midi_test_freertos/src/tusb_config.h
index 0ffdc37fb..c158f5197 100644
--- a/examples/device/midi_test_freertos/src/tusb_config.h
+++ b/examples/device/midi_test_freertos/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -105,4 +105,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/midi_test_freertos/src/usb_descriptors.c b/examples/device/midi_test_freertos/src/usb_descriptors.c
index da873479e..e969f33a3 100644
--- a/examples/device/midi_test_freertos/src/usb_descriptors.c
+++ b/examples/device/midi_test_freertos/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/msc_dual_lun/src/tusb_config.h b/examples/device/msc_dual_lun/src/tusb_config.h
index 9cbbbade9..4fb6816c6 100644
--- a/examples/device/msc_dual_lun/src/tusb_config.h
+++ b/examples/device/msc_dual_lun/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -104,4 +104,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/msc_dual_lun/src/usb_descriptors.c b/examples/device/msc_dual_lun/src/usb_descriptors.c
index 8fbbf0d90..f73935ee0 100644
--- a/examples/device/msc_dual_lun/src/usb_descriptors.c
+++ b/examples/device/msc_dual_lun/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/mtp/src/tusb_config.h b/examples/device/mtp/src/tusb_config.h
index 4d166aa63..95cc048ee 100644
--- a/examples/device/mtp/src/tusb_config.h
+++ b/examples/device/mtp/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -136,4 +136,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/mtp/src/usb_descriptors.c b/examples/device/mtp/src/usb_descriptors.c
index db8b32a4d..f0aa3de6b 100644
--- a/examples/device/mtp/src/usb_descriptors.c
+++ b/examples/device/mtp/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]  MTP | VENDOR | MIDI | HID | MSC | CDC [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) | _PID_MAP(MTP, 5))
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) | PID_MAP(MTP, 5))
 
 #define USB_VID   0xCafe
 #define USB_BCD   0x0200
diff --git a/examples/device/net_lwip_webserver/src/tusb_config.h b/examples/device/net_lwip_webserver/src/tusb_config.h
index 31731ac1b..3285ea52c 100644
--- a/examples/device/net_lwip_webserver/src/tusb_config.h
+++ b/examples/device/net_lwip_webserver/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -141,4 +141,4 @@ extern "C" {
 }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/net_lwip_webserver/src/usb_descriptors.c b/examples/device/net_lwip_webserver/src/usb_descriptors.c
index 5bd9ff0f3..1bc568983 100644
--- a/examples/device/net_lwip_webserver/src/usb_descriptors.c
+++ b/examples/device/net_lwip_webserver/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]       NET | VENDOR | MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) | _PID_MAP(ECM_RNDIS, 5) | _PID_MAP(NCM, 5) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) | PID_MAP(ECM_RNDIS, 5) | PID_MAP(NCM, 5) )
 
 // String Descriptor Index
 enum
diff --git a/examples/device/uac2_headset/src/tusb_config.h b/examples/device/uac2_headset/src/tusb_config.h
index e9165163b..2678054e1 100644
--- a/examples/device/uac2_headset/src/tusb_config.h
+++ b/examples/device/uac2_headset/src/tusb_config.h
@@ -24,8 +24,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -165,4 +165,4 @@ extern "C" {
 }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/uac2_headset/src/usb_descriptors.c b/examples/device/uac2_headset/src/usb_descriptors.c
index 7aa0b17fc..7b1a41161 100644
--- a/examples/device/uac2_headset/src/usb_descriptors.c
+++ b/examples/device/uac2_headset/src/usb_descriptors.c
@@ -34,9 +34,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]     AUDIO | MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-    _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VENDOR, 5) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+    PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/uac2_speaker_fb/src/tusb_config.h b/examples/device/uac2_speaker_fb/src/tusb_config.h
index 18ab2ff96..153b056bf 100644
--- a/examples/device/uac2_speaker_fb/src/tusb_config.h
+++ b/examples/device/uac2_speaker_fb/src/tusb_config.h
@@ -24,8 +24,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -162,4 +162,4 @@ extern "C" {
 }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/uac2_speaker_fb/src/usb_descriptors.c b/examples/device/uac2_speaker_fb/src/usb_descriptors.c
index 29f7ea6d6..c74eb90dc 100644
--- a/examples/device/uac2_speaker_fb/src/usb_descriptors.c
+++ b/examples/device/uac2_speaker_fb/src/usb_descriptors.c
@@ -38,9 +38,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]     AUDIO | MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-    _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VENDOR, 5) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+    PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/device/usbtmc/src/usb_descriptors.c b/examples/device/usbtmc/src/usb_descriptors.c
index 747850593..16bd176f8 100644
--- a/examples/device/usbtmc/src/usb_descriptors.c
+++ b/examples/device/usbtmc/src/usb_descriptors.c
@@ -34,9 +34,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 #define USB_VID   0xcafe
 #define USB_BCD   0x0200
diff --git a/examples/device/video_capture/src/tusb_config.h b/examples/device/video_capture/src/tusb_config.h
index 4ba86ca65..390152e16 100644
--- a/examples/device/video_capture/src/tusb_config.h
+++ b/examples/device/video_capture/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -115,4 +115,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/video_capture/src/usb_descriptors.c b/examples/device/video_capture/src/usb_descriptors.c
index 2fd1860c3..114dd5722 100644
--- a/examples/device/video_capture/src/usb_descriptors.c
+++ b/examples/device/video_capture/src/usb_descriptors.c
@@ -33,9 +33,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]  VIDEO | AUDIO | MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-    _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VIDEO, 5) | _PID_MAP(VENDOR, 6) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+    PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VIDEO, 5) | PID_MAP(VENDOR, 6) )
 
 #define USB_VID   0xCafe
 #define USB_BCD   0x0200
diff --git a/examples/device/video_capture_2ch/src/tusb_config.h b/examples/device/video_capture_2ch/src/tusb_config.h
index e84e49879..48ab4d20a 100644
--- a/examples/device/video_capture_2ch/src/tusb_config.h
+++ b/examples/device/video_capture_2ch/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -117,4 +117,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/video_capture_2ch/src/usb_descriptors.c b/examples/device/video_capture_2ch/src/usb_descriptors.c
index 0d19c53cf..024d16e07 100644
--- a/examples/device/video_capture_2ch/src/usb_descriptors.c
+++ b/examples/device/video_capture_2ch/src/usb_descriptors.c
@@ -33,9 +33,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]  VIDEO | AUDIO | MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-    _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VIDEO, 5) | _PID_MAP(VENDOR, 6) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+    PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VIDEO, 5) | PID_MAP(VENDOR, 6) )
 
 #define USB_VID   0xCafe
 #define USB_BCD   0x0200
diff --git a/examples/device/webusb_serial/src/tusb_config.h b/examples/device/webusb_serial/src/tusb_config.h
index b86ad3752..b6cdf7e56 100644
--- a/examples/device/webusb_serial/src/tusb_config.h
+++ b/examples/device/webusb_serial/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -111,4 +111,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/webusb_serial/src/usb_descriptors.c b/examples/device/webusb_serial/src/usb_descriptors.c
index 8579190be..0ef41a68e 100644
--- a/examples/device/webusb_serial/src/usb_descriptors.c
+++ b/examples/device/webusb_serial/src/usb_descriptors.c
@@ -33,9 +33,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]       MIDI | HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
diff --git a/examples/dual/host_hid_to_device_cdc/src/usb_descriptors.c b/examples/dual/host_hid_to_device_cdc/src/usb_descriptors.c
index ca515b36e..3efa30e20 100644
--- a/examples/dual/host_hid_to_device_cdc/src/usb_descriptors.c
+++ b/examples/dual/host_hid_to_device_cdc/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 #define USB_VID   0xCafe
 #define USB_BCD   0x0200
diff --git a/examples/dual/host_info_to_device_cdc/src/usb_descriptors.c b/examples/dual/host_info_to_device_cdc/src/usb_descriptors.c
index ca515b36e..3efa30e20 100644
--- a/examples/dual/host_info_to_device_cdc/src/usb_descriptors.c
+++ b/examples/dual/host_info_to_device_cdc/src/usb_descriptors.c
@@ -32,9 +32,9 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 #define USB_VID   0xCafe
 #define USB_BCD   0x0200
diff --git a/examples/host/cdc_msc_hid/src/tusb_config.h b/examples/host/cdc_msc_hid/src/tusb_config.h
index 2f8cb5e03..75de3511c 100644
--- a/examples/host/cdc_msc_hid/src/tusb_config.h
+++ b/examples/host/cdc_msc_hid/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -134,4 +134,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/host/cdc_msc_hid_freertos/src/tusb_config.h b/examples/host/cdc_msc_hid_freertos/src/tusb_config.h
index 3cdb227e2..8583e7176 100644
--- a/examples/host/cdc_msc_hid_freertos/src/tusb_config.h
+++ b/examples/host/cdc_msc_hid_freertos/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -139,4 +139,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/host/hid_controller/src/tusb_config.h b/examples/host/hid_controller/src/tusb_config.h
index 351fe0178..a5c202fda 100644
--- a/examples/host/hid_controller/src/tusb_config.h
+++ b/examples/host/hid_controller/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -119,4 +119,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/host/msc_file_explorer/src/tusb_config.h b/examples/host/msc_file_explorer/src/tusb_config.h
index c1829c300..a9d24c89f 100644
--- a/examples/host/msc_file_explorer/src/tusb_config.h
+++ b/examples/host/msc_file_explorer/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -118,4 +118,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/typec/power_delivery/src/tusb_config.h b/examples/typec/power_delivery/src/tusb_config.h
index f7cb3cc04..ee013d056 100644
--- a/examples/typec/power_delivery/src/tusb_config.h
+++ b/examples/typec/power_delivery/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -80,4 +80,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/hw/bsp/ansi_escape.h b/hw/bsp/ansi_escape.h
index 15af2f3ab..0b72bea17 100644
--- a/hw/bsp/ansi_escape.h
+++ b/hw/bsp/ansi_escape.h
@@ -28,8 +28,8 @@
  *  \defgroup group_ansi_esc ANSI Escape Code
  *  @{ */
 
-#ifndef _TUSB_ANSI_ESC_CODE_H_
-#define _TUSB_ANSI_ESC_CODE_H_
+#ifndef TUSB_ANSI_ESC_CODE_H_
+#define TUSB_ANSI_ESC_CODE_H_
 
 
 #ifdef __cplusplus
@@ -92,6 +92,6 @@
  }
 #endif
 
-#endif /* _TUSB_ANSI_ESC_CODE_H_ */
+#endif /* TUSB_ANSI_ESC_CODE_H_ */
 
 /** @} */
diff --git a/hw/bsp/nuc100_120/family.cmake b/hw/bsp/nuc100_120/family.cmake
index f81447596..b8f36bb9b 100644
--- a/hw/bsp/nuc100_120/family.cmake
+++ b/hw/bsp/nuc100_120/family.cmake
@@ -69,19 +69,17 @@ function(family_configure_example TARGET RTOS)
       "LINKER:--script=${LD_FILE_GNU}"
       --specs=nosys.specs --specs=nano.specs
       )
+    target_compile_options(${TARGET} PRIVATE -Wno-redundant-decls)
   elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-    target_link_options(${TARGET} PUBLIC
-      "LINKER:--script=${LD_FILE_Clang}"
-      )
+    target_link_options(${TARGET} PUBLIC "LINKER:--script=${LD_FILE_Clang}")
+    target_compile_options(${TARGET} PRIVATE -Wno-redundant-decls)
   elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-    target_link_options(${TARGET} PUBLIC
-      "LINKER:--config=${LD_FILE_IAR}"
-      )
+    target_link_options(${TARGET} PUBLIC "LINKER:--config=${LD_FILE_IAR}")
   endif ()
 
   if (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
     set_source_files_properties(${CMAKE_CURRENT_FUNCTION_LIST_DIR}/family.c PROPERTIES
-      COMPILE_FLAGS "-Wno-missing-prototypes -Wno-redundant-decls")
+      COMPILE_FLAGS "-Wno-missing-prototypes")
   endif ()
   set_source_files_properties(${STARTUP_FILE_${CMAKE_C_COMPILER_ID}} PROPERTIES
     SKIP_LINTING ON
diff --git a/hw/bsp/nuc121_125/family.cmake b/hw/bsp/nuc121_125/family.cmake
index 718f8db9a..ee52e9ce4 100644
--- a/hw/bsp/nuc121_125/family.cmake
+++ b/hw/bsp/nuc121_125/family.cmake
@@ -72,14 +72,14 @@ function(family_configure_example TARGET RTOS)
       "LINKER:--script=${LD_FILE_GNU}"
       --specs=nosys.specs --specs=nano.specs
       )
+    target_compile_options(${TARGET} PRIVATE -Wno-redundant-decls)
+
   elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-    target_link_options(${TARGET} PUBLIC
-      "LINKER:--script=${LD_FILE_Clang}"
-      )
+    target_link_options(${TARGET} PUBLIC "LINKER:--script=${LD_FILE_Clang}")
+    target_compile_options(${TARGET} PRIVATE -Wno-redundant-decls)
+
   elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-    target_link_options(${TARGET} PUBLIC
-      "LINKER:--config=${LD_FILE_IAR}"
-      )
+    target_link_options(${TARGET} PUBLIC "LINKER:--config=${LD_FILE_IAR}")
   endif ()
 
   if (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
diff --git a/hw/bsp/nuc126/family.cmake b/hw/bsp/nuc126/family.cmake
index 3fc670cf0..d0f99ba1a 100644
--- a/hw/bsp/nuc126/family.cmake
+++ b/hw/bsp/nuc126/family.cmake
@@ -75,14 +75,14 @@ function(family_configure_example TARGET RTOS)
       "LINKER:--script=${LD_FILE_GNU}"
       --specs=nosys.specs --specs=nano.specs
       )
+    target_compile_options(${TARGET} PRIVATE -Wno-redundant-decls)
+
   elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-    target_link_options(${TARGET} PUBLIC
-      "LINKER:--script=${LD_FILE_Clang}"
-      )
+    target_link_options(${TARGET} PUBLIC "LINKER:--script=${LD_FILE_Clang}")
+    target_compile_options(${TARGET} PRIVATE -Wno-redundant-decls)
+
   elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-    target_link_options(${TARGET} PUBLIC
-      "LINKER:--config=${LD_FILE_IAR}"
-      )
+    target_link_options(${TARGET} PUBLIC "LINKER:--config=${LD_FILE_IAR}")
   endif ()
 
   if (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
diff --git a/hw/bsp/nuc505/family.cmake b/hw/bsp/nuc505/family.cmake
index a31f5ff73..581cad4d0 100644
--- a/hw/bsp/nuc505/family.cmake
+++ b/hw/bsp/nuc505/family.cmake
@@ -71,14 +71,14 @@ function(family_configure_example TARGET RTOS)
       "LINKER:--script=${LD_FILE_GNU}"
       --specs=nosys.specs --specs=nano.specs
       )
+    target_compile_options(${TARGET} PRIVATE -Wno-redundant-decls)
+
   elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-    target_link_options(${TARGET} PUBLIC
-      "LINKER:--script=${LD_FILE_Clang}"
-      )
+    target_link_options(${TARGET} PUBLIC "LINKER:--script=${LD_FILE_Clang}")
+    target_compile_options(${TARGET} PRIVATE -Wno-redundant-decls)
+
   elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-    target_link_options(${TARGET} PUBLIC
-      "LINKER:--config=${LD_FILE_IAR}"
-      )
+    target_link_options(${TARGET} PUBLIC "LINKER:--config=${LD_FILE_IAR}")
   endif ()
 
   if (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
diff --git a/lib/rt-thread/tusb_config.h b/lib/rt-thread/tusb_config.h
index 11dc21983..6f794dc41 100644
--- a/lib/rt-thread/tusb_config.h
+++ b/lib/rt-thread/tusb_config.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __RTTHREAD__
 #include <rtconfig.h>
@@ -215,4 +215,4 @@ extern "C" {
 #endif
 #endif /*__RTTHREAD__*/
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/src/class/audio/audio.h b/src/class/audio/audio.h
index 0d1acadcc..fc352a1af 100644
--- a/src/class/audio/audio.h
+++ b/src/class/audio/audio.h
@@ -30,8 +30,8 @@
  *            Currently only MIDI subclass is supported
  *  @{ */
 
-#ifndef _TUSB_AUDIO_H__
-#define _TUSB_AUDIO_H__
+#ifndef TUSB_AUDIO_H__
+#define TUSB_AUDIO_H__
 
 #include "common/tusb_common.h"
 
diff --git a/src/class/audio/audio_device.h b/src/class/audio/audio_device.h
index 00948767e..b22a918f4 100644
--- a/src/class/audio/audio_device.h
+++ b/src/class/audio/audio_device.h
@@ -462,7 +462,7 @@ void     audiod_sof_isr        (uint8_t rhport, uint32_t frame_count);
 }
 #endif
 
-#endif /* _TUSB_AUDIO_DEVICE_H_ */
+#endif /* TUSB_AUDIO_DEVICE_H_ */
 
 /** @} */
 /** @} */
diff --git a/src/class/bth/bth_device.h b/src/class/bth/bth_device.h
index 68f073bff..89a056dc8 100755
--- a/src/class/bth/bth_device.h
+++ b/src/class/bth/bth_device.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_BTH_DEVICE_H_
-#define _TUSB_BTH_DEVICE_H_
+#ifndef TUSB_BTH_DEVICE_H_
+#define TUSB_BTH_DEVICE_H_
 
 #include <common/tusb_common.h>
 #include <device/usbd.h>
@@ -114,4 +114,4 @@ bool     btd_xfer_cb         (uint8_t rhport, uint8_t edpt_addr, xfer_result_t r
  }
 #endif
 
-#endif /* _TUSB_BTH_DEVICE_H_ */
+#endif /* TUSB_BTH_DEVICE_H_ */
diff --git a/src/class/cdc/cdc.h b/src/class/cdc/cdc.h
index 10ba16a7c..6d207c717 100644
--- a/src/class/cdc/cdc.h
+++ b/src/class/cdc/cdc.h
@@ -29,8 +29,8 @@
  *            Currently only Abstract Control Model subclass is supported
  *  @{ */
 
-#ifndef _TUSB_CDC_H__
-#define _TUSB_CDC_H__
+#ifndef TUSB_CDC_H__
+#define TUSB_CDC_H__
 
 #include "common/tusb_common.h"
 
diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h
index 9673b9807..c321f3d16 100644
--- a/src/class/cdc/cdc_device.h
+++ b/src/class/cdc/cdc_device.h
@@ -257,4 +257,4 @@ bool     cdcd_xfer_cb         (uint8_t rhport, uint8_t ep_addr, xfer_result_t re
  }
 #endif
 
-#endif /* _TUSB_CDC_DEVICE_H_ */
+#endif /* TUSB_CDC_DEVICE_H_ */
diff --git a/src/class/cdc/cdc_host.h b/src/class/cdc/cdc_host.h
index bf6711d7e..e8637beac 100644
--- a/src/class/cdc/cdc_host.h
+++ b/src/class/cdc/cdc_host.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_CDC_HOST_H_
-#define _TUSB_CDC_HOST_H_
+#ifndef TUSB_CDC_HOST_H_
+#define TUSB_CDC_HOST_H_
 
 #include "cdc.h"
 
@@ -255,4 +255,4 @@ void cdch_close      (uint8_t dev_addr);
  }
 #endif
 
-#endif /* _TUSB_CDC_HOST_H_ */
+#endif /* TUSB_CDC_HOST_H_ */
diff --git a/src/class/cdc/cdc_rndis.h b/src/class/cdc/cdc_rndis.h
index ad153e0ac..fbbd43206 100644
--- a/src/class/cdc/cdc_rndis.h
+++ b/src/class/cdc/cdc_rndis.h
@@ -30,8 +30,8 @@
  *  \defgroup CDC_RNDIS_Common Common Definitions
  *  @{ */
 
-#ifndef _TUSB_CDC_RNDIS_H_
-#define _TUSB_CDC_RNDIS_H_
+#ifndef TUSB_CDC_RNDIS_H_
+#define TUSB_CDC_RNDIS_H_
 
 #include "cdc.h"
 
@@ -295,7 +295,7 @@ typedef enum
  }
 #endif
 
-#endif /* _TUSB_CDC_RNDIS_H_ */
+#endif /* TUSB_CDC_RNDIS_H_ */
 
 /** @} */
 /** @} */
diff --git a/src/class/cdc/cdc_rndis_host.h b/src/class/cdc/cdc_rndis_host.h
index bb431ec1f..e70d27f79 100644
--- a/src/class/cdc/cdc_rndis_host.h
+++ b/src/class/cdc/cdc_rndis_host.h
@@ -28,8 +28,8 @@
  * \defgroup CDC_RNSID_Host Host
  *  @{ */
 
-#ifndef _TUSB_CDC_RNDIS_HOST_H_
-#define _TUSB_CDC_RNDIS_HOST_H_
+#ifndef TUSB_CDC_RNDIS_HOST_H_
+#define TUSB_CDC_RNDIS_HOST_H_
 
 #include "common/tusb_common.h"
 #include "host/usbh.h"
@@ -58,6 +58,6 @@ void rndish_close(uint8_t dev_addr);
  }
 #endif
 
-#endif /* _TUSB_CDC_RNDIS_HOST_H_ */
+#endif /* TUSB_CDC_RNDIS_HOST_H_ */
 
 /** @} */
diff --git a/src/class/dfu/dfu.h b/src/class/dfu/dfu.h
index 114c827b8..8cd63656a 100644
--- a/src/class/dfu/dfu.h
+++ b/src/class/dfu/dfu.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_DFU_H_
-#define _TUSB_DFU_H_
+#ifndef TUSB_DFU_H_
+#define TUSB_DFU_H_
 
 #include "common/tusb_common.h"
 
@@ -116,4 +116,4 @@ TU_VERIFY_STATIC( sizeof(dfu_status_response_t) == 6, "size is not correct");
  }
 #endif
 
-#endif /* _TUSB_DFU_H_ */
+#endif /* TUSB_DFU_H_ */
diff --git a/src/class/dfu/dfu_device.h b/src/class/dfu/dfu_device.h
index e59e61ce9..b22b4c450 100644
--- a/src/class/dfu/dfu_device.h
+++ b/src/class/dfu/dfu_device.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_DFU_DEVICE_H_
-#define _TUSB_DFU_DEVICE_H_
+#ifndef TUSB_DFU_DEVICE_H_
+#define TUSB_DFU_DEVICE_H_
 
 #include "dfu.h"
 
@@ -96,4 +96,4 @@ bool     dfu_moded_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_r
  }
 #endif
 
-#endif /* _TUSB_DFU_MODE_DEVICE_H_ */
+#endif /* TUSB_DFU_MODE_DEVICE_H_ */
diff --git a/src/class/dfu/dfu_rt_device.h b/src/class/dfu/dfu_rt_device.h
index 67eb26d95..c4116d8fe 100644
--- a/src/class/dfu/dfu_rt_device.h
+++ b/src/class/dfu/dfu_rt_device.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_DFU_RT_DEVICE_H_
-#define _TUSB_DFU_RT_DEVICE_H_
+#ifndef TUSB_DFU_RT_DEVICE_H_
+#define TUSB_DFU_RT_DEVICE_H_
 
 #include "dfu.h"
 
@@ -52,4 +52,4 @@ bool     dfu_rtd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_req
  }
 #endif
 
-#endif /* _TUSB_DFU_RT_DEVICE_H_ */
+#endif /* TUSB_DFU_RT_DEVICE_H_ */
diff --git a/src/class/hid/hid.h b/src/class/hid/hid.h
index b69f623a0..0883d95ac 100644
--- a/src/class/hid/hid.h
+++ b/src/class/hid/hid.h
@@ -28,8 +28,8 @@
  *  \defgroup ClassDriver_HID Human Interface Device (HID)
  *  @{ */
 
-#ifndef _TUSB_HID_H_
-#define _TUSB_HID_H_
+#ifndef TUSB_HID_H_
+#define TUSB_HID_H_
 
 #include "common/tusb_common.h"
 
@@ -2071,6 +2071,6 @@ enum {
  }
 #endif
 
-#endif /* _TUSB_HID_H__ */
+#endif /* TUSB_HID_H__ */
 
 /// @}
diff --git a/src/class/hid/hid_host.h b/src/class/hid/hid_host.h
index 032827af1..87f0e7dc9 100644
--- a/src/class/hid/hid_host.h
+++ b/src/class/hid/hid_host.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_HID_HOST_H_
-#define _TUSB_HID_HOST_H_
+#ifndef TUSB_HID_HOST_H_
+#define TUSB_HID_HOST_H_
 
 #include "hid.h"
 
@@ -182,4 +182,4 @@ void hidh_close(uint8_t dev_addr);
 }
 #endif
 
-#endif /* _TUSB_HID_HOST_H_ */
+#endif /* TUSB_HID_HOST_H_ */
diff --git a/src/class/midi/midi_device.h b/src/class/midi/midi_device.h
index c2c6e9859..d23516cec 100644
--- a/src/class/midi/midi_device.h
+++ b/src/class/midi/midi_device.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_MIDI_DEVICE_H_
-#define _TUSB_MIDI_DEVICE_H_
+#ifndef TUSB_MIDI_DEVICE_H_
+#define TUSB_MIDI_DEVICE_H_
 
 #include "class/audio/audio.h"
 #include "midi.h"
@@ -168,7 +168,7 @@ bool     midid_xfer_cb         (uint8_t rhport, uint8_t edpt_addr, xfer_result_t
  }
 #endif
 
-#endif /* _TUSB_MIDI_DEVICE_H_ */
+#endif /* TUSB_MIDI_DEVICE_H_ */
 
 /** @} */
 /** @} */
diff --git a/src/class/msc/msc.h b/src/class/msc/msc.h
index b2b44eac4..3b5d4a855 100644
--- a/src/class/msc/msc.h
+++ b/src/class/msc/msc.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_MSC_H_
-#define _TUSB_MSC_H_
+#ifndef TUSB_MSC_H_
+#define TUSB_MSC_H_
 
 #include "common/tusb_common.h"
 
@@ -398,4 +398,4 @@ TU_VERIFY_STATIC(sizeof(scsi_write10_t) == 10, "size is not correct");
  }
 #endif
 
-#endif /* _TUSB_MSC_H_ */
+#endif /* TUSB_MSC_H_ */
diff --git a/src/class/msc/msc_device.h b/src/class/msc/msc_device.h
index 7d898e988..21e24971b 100644
--- a/src/class/msc/msc_device.h
+++ b/src/class/msc/msc_device.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_MSC_DEVICE_H_
-#define _TUSB_MSC_DEVICE_H_
+#ifndef TUSB_MSC_DEVICE_H_
+#define TUSB_MSC_DEVICE_H_
 
 #include "common/tusb_common.h"
 #include "msc.h"
@@ -167,4 +167,4 @@ bool     mscd_xfer_cb         (uint8_t rhport, uint8_t ep_addr, xfer_result_t ev
  }
 #endif
 
-#endif /* _TUSB_MSC_DEVICE_H_ */
+#endif /* TUSB_MSC_DEVICE_H_ */
diff --git a/src/class/net/ncm.h b/src/class/net/ncm.h
index 0245a87f2..8989fe0b4 100644
--- a/src/class/net/ncm.h
+++ b/src/class/net/ncm.h
@@ -25,8 +25,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_NCM_H_
-#define _TUSB_NCM_H_
+#ifndef TUSB_NCM_H_
+#define TUSB_NCM_H_
 
 #include "common/tusb_common.h"
 
diff --git a/src/class/net/net_device.h b/src/class/net/net_device.h
index ef5ecffc8..96c03fd61 100644
--- a/src/class/net/net_device.h
+++ b/src/class/net/net_device.h
@@ -25,8 +25,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_NET_DEVICE_H_
-#define _TUSB_NET_DEVICE_H_
+#ifndef TUSB_NET_DEVICE_H_
+#define TUSB_NET_DEVICE_H_
 
 #include <stdint.h>
 #include "class/cdc/cdc.h"
@@ -114,4 +114,4 @@ void     netd_report          (uint8_t *buf, uint16_t len);
  }
 #endif
 
-#endif /* _TUSB_NET_DEVICE_H_ */
+#endif /* TUSB_NET_DEVICE_H_ */
diff --git a/src/class/usbtmc/usbtmc.h b/src/class/usbtmc/usbtmc.h
index 327de087c..3bf5e1a17 100644
--- a/src/class/usbtmc/usbtmc.h
+++ b/src/class/usbtmc/usbtmc.h
@@ -25,8 +25,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_USBTMC_H__
-#define _TUSB_USBTMC_H__
+#ifndef TUSB_USBTMC_H__
+#define TUSB_USBTMC_H__
 
 #include "common/tusb_common.h"
 
diff --git a/src/class/vendor/vendor_device.h b/src/class/vendor/vendor_device.h
index 5fe4fc9ff..5376f3917 100644
--- a/src/class/vendor/vendor_device.h
+++ b/src/class/vendor/vendor_device.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_VENDOR_DEVICE_H_
-#define _TUSB_VENDOR_DEVICE_H_
+#ifndef TUSB_VENDOR_DEVICE_H_
+#define TUSB_VENDOR_DEVICE_H_
 
 #include "common/tusb_common.h"
 
@@ -141,4 +141,4 @@ bool     vendord_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, u
  }
 #endif
 
-#endif /* _TUSB_VENDOR_DEVICE_H_ */
+#endif /* TUSB_VENDOR_DEVICE_H_ */
diff --git a/src/class/vendor/vendor_host.h b/src/class/vendor/vendor_host.h
index acfebe7a4..00e3c3402 100644
--- a/src/class/vendor/vendor_host.h
+++ b/src/class/vendor/vendor_host.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_VENDOR_HOST_H_
-#define _TUSB_VENDOR_HOST_H_
+#ifndef TUSB_VENDOR_HOST_H_
+#define TUSB_VENDOR_HOST_H_
 
 #include "common/tusb_common.h"
 
@@ -64,4 +64,4 @@ void cush_close(uint8_t dev_addr);
  }
 #endif
 
-#endif /* _TUSB_VENDOR_HOST_H_ */
+#endif /* TUSB_VENDOR_HOST_H_ */
diff --git a/src/common/tusb_common.h b/src/common/tusb_common.h
index dfa9299c1..04149da71 100644
--- a/src/common/tusb_common.h
+++ b/src/common/tusb_common.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_COMMON_H_
-#define _TUSB_COMMON_H_
+#ifndef TUSB_COMMON_H_
+#define TUSB_COMMON_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -391,4 +391,4 @@ uint8_t const * tu_desc_find3(uint8_t const* desc, uint8_t const* end, uint8_t b
  }
 #endif
 
-#endif /* _TUSB_COMMON_H_ */
+#endif /* TUSB_COMMON_H_ */
diff --git a/src/common/tusb_compiler.h b/src/common/tusb_compiler.h
index 9b33a6f61..55950fb45 100644
--- a/src/common/tusb_compiler.h
+++ b/src/common/tusb_compiler.h
@@ -29,8 +29,8 @@
  *  \brief Group_Compiler brief
  *  @{ */
 
-#ifndef _TUSB_COMPILER_H_
-#define _TUSB_COMPILER_H_
+#ifndef TUSB_COMPILER_H_
+#define TUSB_COMPILER_H_
 
 #define TU_TOKEN(x)           x
 #define TU_STRING(x)          #x                  ///< stringify without expand
@@ -45,9 +45,9 @@
 #define TU_INCLUDE_PATH(_dir,_file) TU_XSTRING( TU_TOKEN(_dir)TU_TOKEN(_file) )
 
 #if defined __COUNTER__ && __COUNTER__ != __COUNTER__
-  #define _TU_COUNTER_ __COUNTER__
+  #define TU_COUNTER __COUNTER__
 #else
-  #define _TU_COUNTER_ __LINE__
+  #define TU_COUNTER __LINE__
 #endif
 
 // Compile-time Assert
@@ -56,9 +56,9 @@
 #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
   #define TU_VERIFY_STATIC   _Static_assert
 #elif defined(__CCRX__)
-  #define TU_VERIFY_STATIC(const_expr, _mess) typedef char TU_XSTRCAT(_verify_static_, _TU_COUNTER_)[(const_expr) ? 1 : 0];
+  #define TU_VERIFY_STATIC(const_expr, _mess) typedef char TU_XSTRCAT(_verify_static_, TU_COUNTER)[(const_expr) ? 1 : 0];
 #else
-  #define TU_VERIFY_STATIC(const_expr, _mess) enum { TU_XSTRCAT(_verify_static_, _TU_COUNTER_) = 1/(!!(const_expr)) }
+  #define TU_VERIFY_STATIC(const_expr, _mess) enum { TU_XSTRCAT(_verify_static_, TU_COUNTER) = 1/(!!(const_expr)) }
 #endif
 
 /* --------------------- Fuzzing types -------------------------------------- */
@@ -68,8 +68,8 @@
   #define tu_static static
 #endif
 
-// for declaration of reserved field, make use of _TU_COUNTER_
-#define TU_RESERVED           TU_XSTRCAT(reserved, _TU_COUNTER_)
+// for declaration of reserved field, make use of TU_COUNTER
+#define TU_RESERVED           TU_XSTRCAT(reserved, TU_COUNTER)
 
 #define TU_LITTLE_ENDIAN (0x12u)
 #define TU_BIG_ENDIAN (0x21u)
@@ -305,6 +305,6 @@
   #error Byte order is undefined
 #endif
 
-#endif /* _TUSB_COMPILER_H_ */
+#endif /* TUSB_COMPILER_H_ */
 
 /// @}
diff --git a/src/common/tusb_debug.h b/src/common/tusb_debug.h
index 86517b9c9..e3f9d3f18 100644
--- a/src/common/tusb_debug.h
+++ b/src/common/tusb_debug.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_DEBUG_H_
-#define _TUSB_DEBUG_H_
+#ifndef TUSB_DEBUG_H_
+#define TUSB_DEBUG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -168,4 +168,4 @@ static inline const char* tu_lookup_find(tu_lookup_table_t const* p_table, uint3
  }
 #endif
 
-#endif /* _TUSB_DEBUG_H_ */
+#endif
diff --git a/src/common/tusb_fifo.h b/src/common/tusb_fifo.h
index 879acda4f..f2a6c5469 100644
--- a/src/common/tusb_fifo.h
+++ b/src/common/tusb_fifo.h
@@ -25,8 +25,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_FIFO_H_
-#define _TUSB_FIFO_H_
+#ifndef TUSB_FIFO_H_
+#define TUSB_FIFO_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -196,4 +196,4 @@ void tu_fifo_get_write_info(tu_fifo_t *f, tu_fifo_buffer_info_t *info);
 }
 #endif
 
-#endif /* _TUSB_FIFO_H_ */
+#endif
diff --git a/src/device/usbd.h b/src/device/usbd.h
index c62986150..f75803b14 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_USBD_H_
-#define _TUSB_USBD_H_
+#ifndef TUSB_USBD_H_
+#define TUSB_USBD_H_
 
 #include "common/tusb_common.h"
 
@@ -904,6 +904,6 @@ bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_requ
 }
 #endif
 
-#endif /* _TUSB_USBD_H_ */
+#endif /* TUSB_USBD_H_ */
 
 /** @} */
diff --git a/src/host/hcd.h b/src/host/hcd.h
index d3551bf5b..4a17326ec 100644
--- a/src/host/hcd.h
+++ b/src/host/hcd.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_HCD_H_
-#define _TUSB_HCD_H_
+#ifndef TUSB_HCD_H_
+#define TUSB_HCD_H_
 
 #include "common/tusb_common.h"
 #include "osal/osal.h"
diff --git a/src/host/usbh.h b/src/host/usbh.h
index 8d48bf90d..4b6747848 100644
--- a/src/host/usbh.h
+++ b/src/host/usbh.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_USBH_H_
-#define _TUSB_USBH_H_
+#ifndef TUSB_USBH_H_
+#define TUSB_USBH_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -179,7 +179,7 @@ TU_ATTR_ALWAYS_INLINE static inline void tuh_task(void) {
 // Check if there is pending events need processing by tuh_task()
 bool tuh_task_event_ready(void);
 
-#ifndef _TUSB_HCD_H_
+#ifndef TUSB_HCD_H_
 extern void hcd_int_handler(uint8_t rhport, bool in_isr);
 #endif
 
diff --git a/src/host/usbh_pvt.h b/src/host/usbh_pvt.h
index 9d91e52e8..d722bb7e8 100644
--- a/src/host/usbh_pvt.h
+++ b/src/host/usbh_pvt.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_USBH_PVT_H_
-#define _TUSB_USBH_PVT_H_
+#ifndef TUSB_USBH_PVT_H_
+#define TUSB_USBH_PVT_H_
 
 #include "osal/osal.h"
 #include "common/tusb_fifo.h"
diff --git a/src/osal/osal.h b/src/osal/osal.h
index 658b18584..44521620f 100644
--- a/src/osal/osal.h
+++ b/src/osal/osal.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_OSAL_H_
-#define _TUSB_OSAL_H_
+#ifndef TUSB_OSAL_H_
+#define TUSB_OSAL_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -101,4 +101,4 @@ typedef void (*osal_task_func_t)(void* param);
  }
 #endif
 
-#endif /* _TUSB_OSAL_H_ */
+#endif
diff --git a/src/osal/osal_none.h b/src/osal/osal_none.h
index 6f9b8b0dc..bc86dcb28 100644
--- a/src/osal/osal_none.h
+++ b/src/osal/osal_none.h
@@ -156,7 +156,7 @@ typedef osal_queue_def_t* osal_queue_t;
   }
 
 TU_ATTR_ALWAYS_INLINE static inline osal_queue_t osal_queue_create(osal_queue_def_t* qdef) {
-  tu_fifo_clear(&qdef->ff);
+  (void) tu_fifo_clear(&qdef->ff);
   return (osal_queue_t) qdef;
 }
 
diff --git a/src/portable/ehci/ehci.h b/src/portable/ehci/ehci.h
index 87659701b..719bdeafc 100644
--- a/src/portable/ehci/ehci.h
+++ b/src/portable/ehci/ehci.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_EHCI_H_
-#define _TUSB_EHCI_H_
+#ifndef TUSB_EHCI_H_
+#define TUSB_EHCI_H_
 
 
 /* Abbreviation
@@ -458,4 +458,4 @@ TU_VERIFY_STATIC(sizeof(ehci_cap_registers_t) == 16, "size is not correct");
  }
 #endif
 
-#endif /* _TUSB_EHCI_H_ */
+#endif /* TUSB_EHCI_H_ */
diff --git a/src/portable/ehci/ehci_api.h b/src/portable/ehci/ehci_api.h
index 12e0a73d7..79fbe702a 100644
--- a/src/portable/ehci/ehci_api.h
+++ b/src/portable/ehci/ehci_api.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_EHCI_API_H_
-#define _TUSB_EHCI_API_H_
+#ifndef TUSB_EHCI_API_H_
+#define TUSB_EHCI_API_H_
 
 #ifdef __cplusplus
  extern "C" {
diff --git a/src/portable/nxp/lpc17_40/dcd_lpc17_40.h b/src/portable/nxp/lpc17_40/dcd_lpc17_40.h
index 654b80866..25c9f9985 100644
--- a/src/portable/nxp/lpc17_40/dcd_lpc17_40.h
+++ b/src/portable/nxp/lpc17_40/dcd_lpc17_40.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_DCD_LPC17_40_H_
-#define _TUSB_DCD_LPC17_40_H_
+#ifndef TUSB_DCD_LPC17_40_H_
+#define TUSB_DCD_LPC17_40_H_
 
 #include "common/tusb_common.h"
 
diff --git a/src/portable/ohci/ohci.h b/src/portable/ohci/ohci.h
index 94bad5df7..3366f15f7 100644
--- a/src/portable/ohci/ohci.h
+++ b/src/portable/ohci/ohci.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_OHCI_H_
-#define _TUSB_OHCI_H_
+#ifndef TUSB_OHCI_H_
+#define TUSB_OHCI_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -304,4 +304,4 @@ TU_VERIFY_STATIC( sizeof(ohci_registers_t) == (0x54 + (4 * TUP_OHCI_RHPORTS)), "
  }
 #endif
 
-#endif /* _TUSB_OHCI_H_ */
+#endif /* TUSB_OHCI_H_ */
diff --git a/src/portable/renesas/rusb2/rusb2_type.h b/src/portable/renesas/rusb2/rusb2_type.h
index dd88f66a7..71837d03c 100644
--- a/src/portable/renesas/rusb2/rusb2_type.h
+++ b/src/portable/renesas/rusb2/rusb2_type.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_RUSB2_TYPE_H_
-#define _TUSB_RUSB2_TYPE_H_
+#ifndef TUSB_RUSB2_TYPE_H_
+#define TUSB_RUSB2_TYPE_H_
 
 #include <stdint.h>
 #include <stddef.h>
@@ -1777,4 +1777,4 @@ TU_VERIFY_STATIC(offsetof(rusb2_reg_t, DPUSR1R_FS ) == 0x0404, "incorrect offset
 }
 #endif
 
-#endif /* _TUSB_RUSB2_TYPE_H_ */
+#endif /* TUSB_RUSB2_TYPE_H_ */
diff --git a/src/portable/sunxi/musb_def.h b/src/portable/sunxi/musb_def.h
index 53da5ded2..ce9b89d55 100644
--- a/src/portable/sunxi/musb_def.h
+++ b/src/portable/sunxi/musb_def.h
@@ -26,8 +26,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_MUSB_DEF
-#define _TUSB_MUSB_DEF
+#ifndef TUSB_MUSB_DEF
+#define TUSB_MUSB_DEF
 
 
 #define  USBC_Readb(reg)	                    (*(volatile unsigned char *)(reg))
diff --git a/src/portable/synopsys/dwc2/dwc2_bcm.h b/src/portable/synopsys/dwc2/dwc2_bcm.h
index e5824606a..df6d4a852 100644
--- a/src/portable/synopsys/dwc2/dwc2_bcm.h
+++ b/src/portable/synopsys/dwc2/dwc2_bcm.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_DWC2_BCM_H_
-#define _TUSB_DWC2_BCM_H_
+#ifndef TUSB_DWC2_BCM_H_
+#define TUSB_DWC2_BCM_H_
 
 #ifdef __cplusplus
  extern "C" {
diff --git a/src/portable/valentyusb/eptri/dcd_eptri.h b/src/portable/valentyusb/eptri/dcd_eptri.h
index d67635d7c..2fe74a712 100644
--- a/src/portable/valentyusb/eptri/dcd_eptri.h
+++ b/src/portable/valentyusb/eptri/dcd_eptri.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_DCD_VALENTYUSB_EPTRI_H_
-#define _TUSB_DCD_VALENTYUSB_EPTRI_H_
+#ifndef TUSB_DCD_VALENTYUSB_EPTRI_H_
+#define TUSB_DCD_VALENTYUSB_EPTRI_H_
 
 #include "common/tusb_common.h"
 #ifdef __cplusplus
@@ -36,4 +36,4 @@
  }
 #endif
 
-#endif /* _TUSB_DCD_VALENTYUSB_EPTRI_H_ */
+#endif /* TUSB_DCD_VALENTYUSB_EPTRI_H_ */
diff --git a/src/tusb.h b/src/tusb.h
index 6a469eef4..62b3b9783 100644
--- a/src/tusb.h
+++ b/src/tusb.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_H_
-#define _TUSB_H_
+#ifndef TUSB_H_
+#define TUSB_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -178,4 +178,4 @@ bool tusb_deinit(uint8_t rhport);
  }
 #endif
 
-#endif /* _TUSB_H_ */
+#endif /* TUSB_H_ */
diff --git a/src/tusb_option.h b/src/tusb_option.h
index 14404c59c..e00311039 100644
--- a/src/tusb_option.h
+++ b/src/tusb_option.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_OPTION_H_
-#define _TUSB_OPTION_H_
+#ifndef TUSB_OPTION_H_
+#define TUSB_OPTION_H_
 
 #include "common/tusb_compiler.h"
 
@@ -727,6 +727,6 @@
 // To avoid GCC compiler warnings when -pedantic option is used (strict ISO C)
 typedef int make_iso_compilers_happy;
 
-#endif /* _TUSB_OPTION_H_ */
+#endif /* TUSB_OPTION_H_ */
 
 /** @} */
diff --git a/src/typec/pd_types.h b/src/typec/pd_types.h
index 1b2968f65..950f4d488 100644
--- a/src/typec/pd_types.h
+++ b/src/typec/pd_types.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_PD_TYPES_H_
-#define _TUSB_PD_TYPES_H_
+#ifndef TUSB_PD_TYPES_H_
+#define TUSB_PD_TYPES_H_
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/src/typec/tcd.h b/src/typec/tcd.h
index bcbdab8ed..da7ab4b13 100644
--- a/src/typec/tcd.h
+++ b/src/typec/tcd.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_TCD_H_
-#define _TUSB_TCD_H_
+#ifndef TUSB_TCD_H_
+#define TUSB_TCD_H_
 
 #include "common/tusb_common.h"
 #include "pd_types.h"
diff --git a/src/typec/usbc.h b/src/typec/usbc.h
index 448542aab..711119596 100644
--- a/src/typec/usbc.h
+++ b/src/typec/usbc.h
@@ -24,8 +24,8 @@
  * This file is part of the TinyUSB stack.
  */
 
-#ifndef _TUSB_UTCD_H_
-#define _TUSB_UTCD_H_
+#ifndef TUSB_UTCD_H_
+#define TUSB_UTCD_H_
 
 #include "common/tusb_common.h"
 #include "pd_types.h"
@@ -63,7 +63,7 @@ void tuc_task (void) {
   tuc_task_ext(UINT32_MAX, false);
 }
 
-#ifndef _TUSB_TCD_H_
+#ifndef TUSB_TCD_H_
 extern void tcd_int_handler(uint8_t rhport);
 #endif
 
diff --git a/test/fuzz/device/cdc/src/tusb_config.h b/test/fuzz/device/cdc/src/tusb_config.h
index 10a8a825a..76f44619e 100644
--- a/test/fuzz/device/cdc/src/tusb_config.h
+++ b/test/fuzz/device/cdc/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -111,4 +111,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/test/fuzz/device/cdc/src/usb_descriptors.cc b/test/fuzz/device/cdc/src/usb_descriptors.cc
index c26bd18c3..0d7d17b4b 100644
--- a/test/fuzz/device/cdc/src/usb_descriptors.cc
+++ b/test/fuzz/device/cdc/src/usb_descriptors.cc
@@ -30,10 +30,10 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | CDC          [LSB]
  */
-#define _PID_MAP(itf, n) ((CFG_TUD_##itf) << (n))
+#define PID_MAP(itf, n) ((CFG_TUD_##itf) << (n))
 #define USB_PID                                                                \
-  (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(HID, 2) | _PID_MAP(MIDI, 3) |          \
-   _PID_MAP(VENDOR, 4))
+  (0x4000 | PID_MAP(CDC, 0) | PID_MAP(HID, 2) | PID_MAP(MIDI, 3) |          \
+   PID_MAP(VENDOR, 4))
 
 #define USB_VID 0xCafe
 #define USB_BCD 0x0200
diff --git a/test/fuzz/device/msc/src/tusb_config.h b/test/fuzz/device/msc/src/tusb_config.h
index ca39c6b0a..abd8cd4ce 100644
--- a/test/fuzz/device/msc/src/tusb_config.h
+++ b/test/fuzz/device/msc/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -111,4 +111,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/test/fuzz/device/msc/src/usb_descriptors.cc b/test/fuzz/device/msc/src/usb_descriptors.cc
index 6d9c4cd96..55c113ad7 100644
--- a/test/fuzz/device/msc/src/usb_descriptors.cc
+++ b/test/fuzz/device/msc/src/usb_descriptors.cc
@@ -30,10 +30,10 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n) ((CFG_TUD_##itf) << (n))
+#define PID_MAP(itf, n) ((CFG_TUD_##itf) << (n))
 #define USB_PID                                                                \
-  (0x4000 | _PID_MAP(MSC, 0) | _PID_MAP(HID, 1) | _PID_MAP(MIDI, 2) |          \
-   _PID_MAP(VENDOR, 3))
+  (0x4000 | PID_MAP(MSC, 0) | PID_MAP(HID, 1) | PID_MAP(MIDI, 2) |          \
+   PID_MAP(VENDOR, 3))
 #define USB_VID 0xCafe
 #define USB_BCD 0x0200
 
diff --git a/test/fuzz/device/net/src/tusb_config.h b/test/fuzz/device/net/src/tusb_config.h
index 6ad859337..4fe98e043 100644
--- a/test/fuzz/device/net/src/tusb_config.h
+++ b/test/fuzz/device/net/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -119,4 +119,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/test/fuzz/device/net/src/usb_descriptors.cc b/test/fuzz/device/net/src/usb_descriptors.cc
index e57a791b6..301f23829 100644
--- a/test/fuzz/device/net/src/usb_descriptors.cc
+++ b/test/fuzz/device/net/src/usb_descriptors.cc
@@ -30,10 +30,10 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | CDC          [LSB]
  */
-#define _PID_MAP(itf, n) ((CFG_TUD_##itf) << (n))
+#define PID_MAP(itf, n) ((CFG_TUD_##itf) << (n))
 #define USB_PID                                                                \
-  (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(HID, 2) | _PID_MAP(MIDI, 3) |          \
-   _PID_MAP(VENDOR, 4))
+  (0x4000 | PID_MAP(CDC, 0) | PID_MAP(HID, 2) | PID_MAP(MIDI, 3) |          \
+   PID_MAP(VENDOR, 4))
 
 #define USB_VID 0xCafe
 #define USB_BCD 0x0200
diff --git a/test/unit-test/test/support/tusb_config.h b/test/unit-test/test/support/tusb_config.h
index 00818fae5..dee24f65d 100644
--- a/test/unit-test/test/support/tusb_config.h
+++ b/test/unit-test/test/support/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 // testing framework
 #include "unity.h"
@@ -103,4 +103,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
-- 
cgit v1.3.1


From dba5d799f211291544faacec90c8f3d973998437 Mon Sep 17 00:00:00 2001
From: din <dinsfire64@gmail.com>
Date: Sat, 15 Nov 2025 08:45:32 -0600
Subject: add find_hid_desc

---
 src/class/hid/hid_host.c | 77 +++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 59 insertions(+), 18 deletions(-)

(limited to 'src/class/hid')

diff --git a/src/class/hid/hid_host.c b/src/class/hid/hid_host.c
index da776d04c..a67267aa5 100644
--- a/src/class/hid/hid_host.c
+++ b/src/class/hid/hid_host.c
@@ -507,6 +507,27 @@ void hidh_close(uint8_t daddr) {
 // Enumeration
 //--------------------------------------------------------------------+
 
+// Helper: locate the first HID descriptor (0x21) after the interface
+static tusb_hid_descriptor_hid_t const* find_hid_desc(uint8_t const* p, uint16_t remaining_len)
+{
+  while (remaining_len >= 2)
+  {
+    uint8_t len  = p[0];
+    uint8_t type = p[1];
+
+    if (len == 0) break;           // Invalid descriptor
+    if (type == HID_DESC_TYPE_HID) // Found it
+      return (tusb_hid_descriptor_hid_t const*)p;
+
+    // Move to next descriptor
+    if (remaining_len < len) break;
+    p += len;
+    remaining_len -= len;
+  }
+
+  return NULL; // not found
+}
+
 bool hidh_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const* desc_itf, uint16_t max_len) {
   (void) rhport;
   (void) max_len;
@@ -519,36 +540,56 @@ bool hidh_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const* desc_
                                        desc_itf->bNumEndpoints * sizeof(tusb_desc_endpoint_t));
   TU_ASSERT(max_len >= drv_len);
   uint8_t const* p_desc = (uint8_t const*) desc_itf;
+  uint16_t       len_left = max_len;
+
+  // Move past Interface descriptor
+  uint16_t itf_len = p_desc[0];
+  p_desc += itf_len;
+  len_left -= itf_len;
 
-  //------------- HID descriptor -------------//
-  p_desc = tu_desc_next(p_desc);
-  tusb_hid_descriptor_hid_t const* desc_hid = (tusb_hid_descriptor_hid_t const*) p_desc;
-  TU_ASSERT(HID_DESC_TYPE_HID == desc_hid->bDescriptorType);
+  // Find the descriptor anywhere in the report
+  tusb_hid_descriptor_hid_t const* desc_hid = find_hid_desc(p_desc, len_left);
+
+  // Did not find the descriptor in the report
+  TU_ASSERT(desc_hid != NULL);
+
+  // Open endpoints, scan all descs
+  p_desc = (uint8_t const*)desc_itf + desc_itf->bLength;
+  len_left = max_len - desc_itf->bLength;
 
   hidh_interface_t* p_hid = find_new_itf();
   TU_ASSERT(p_hid); // not enough interface, try to increase CFG_TUH_HID
   p_hid->daddr = daddr;
 
-  //------------- Endpoint Descriptors -------------//
-  p_desc = tu_desc_next(p_desc);
-  tusb_desc_endpoint_t const* desc_ep = (tusb_desc_endpoint_t const*) p_desc;
+  p_hid->ep_in   = 0;
+  p_hid->ep_out  = 0;
+
+  while (len_left >= 2)
+  {
+    uint8_t len  = p_desc[0];
+    uint8_t type = p_desc[1];
+    
+    if (len == 0) break;
 
-  for (int i = 0; i < desc_itf->bNumEndpoints; i++) {
-    TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType);
-    TU_ASSERT(tuh_edpt_open(daddr, desc_ep));
+    if (type == TUSB_DESC_ENDPOINT)
+    {
+      tusb_desc_endpoint_t const* ep = (tusb_desc_endpoint_t const*)p_desc;
+      TU_ASSERT(tuh_edpt_open(daddr, ep));
 
-    if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) {
-      p_hid->ep_in = desc_ep->bEndpointAddress;
-      p_hid->epin_size = tu_edpt_packet_size(desc_ep);
-    } else {
-      p_hid->ep_out = desc_ep->bEndpointAddress;
-      p_hid->epout_size = tu_edpt_packet_size(desc_ep);
+      if (tu_edpt_dir(ep->bEndpointAddress) == TUSB_DIR_IN) {
+        p_hid->ep_in = ep->bEndpointAddress;
+        p_hid->epin_size = tu_edpt_packet_size(ep);
+      } else {
+        p_hid->ep_out = ep->bEndpointAddress;
+        p_hid->epout_size = tu_edpt_packet_size(ep);
+      }
     }
 
-    p_desc = tu_desc_next(p_desc);
-    desc_ep = (tusb_desc_endpoint_t const*) p_desc;
+    p_desc += len;
+    len_left -= len;
   }
 
+  // Store HID report info
   p_hid->itf_num = desc_itf->bInterfaceNumber;
 
   // Assume bNumDescriptors = 1
-- 
cgit v1.3.1


From aa3aec00344bf5e723bf27eba406155d133459cc Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Thu, 20 Nov 2025 10:03:27 +0700
Subject: Revert "add find_hid_desc" support rare case where hid descriptor is
 after endpoint descriptor

---
 src/class/hid/hid_host.c | 108 +++++++++++++++++------------------------------
 1 file changed, 39 insertions(+), 69 deletions(-)

(limited to 'src/class/hid')

diff --git a/src/class/hid/hid_host.c b/src/class/hid/hid_host.c
index a67267aa5..fe9a90d33 100644
--- a/src/class/hid/hid_host.c
+++ b/src/class/hid/hid_host.c
@@ -141,7 +141,9 @@ static uint8_t get_idx_by_epaddr(uint8_t daddr, uint8_t ep_addr) {
 
 static hidh_interface_t* find_new_itf(void) {
   for (uint8_t i = 0; i < CFG_TUH_HID; i++) {
-    if (_hidh_itf[i].daddr == 0) return &_hidh_itf[i];
+    if (_hidh_itf[i].daddr == 0) {
+      return &_hidh_itf[i];
+    }
   }
   return NULL;
 }
@@ -152,7 +154,9 @@ static hidh_interface_t* find_new_itf(void) {
 uint8_t tuh_hid_itf_get_count(uint8_t daddr) {
   uint8_t count = 0;
   for (uint8_t i = 0; i < CFG_TUH_HID; i++) {
-    if (_hidh_itf[i].daddr == daddr) count++;
+    if (_hidh_itf[i].daddr == daddr) {
+      count++;
+    }
   }
   return count;
 }
@@ -160,7 +164,9 @@ uint8_t tuh_hid_itf_get_count(uint8_t daddr) {
 uint8_t tuh_hid_itf_get_total_count(void) {
   uint8_t count = 0;
   for (uint8_t i = 0; i < CFG_TUH_HID; i++) {
-    if (_hidh_itf[i].daddr != 0) count++;
+    if (_hidh_itf[i].daddr != 0) {
+      count++;
+    }
   }
   return count;
 }
@@ -507,27 +513,6 @@ void hidh_close(uint8_t daddr) {
 // Enumeration
 //--------------------------------------------------------------------+
 
-// Helper: locate the first HID descriptor (0x21) after the interface
-static tusb_hid_descriptor_hid_t const* find_hid_desc(uint8_t const* p, uint16_t remaining_len)
-{
-  while (remaining_len >= 2)
-  {
-    uint8_t len  = p[0];
-    uint8_t type = p[1];
-
-    if (len == 0) break;           // Invalid descriptor
-    if (type == HID_DESC_TYPE_HID) // Found it
-      return (tusb_hid_descriptor_hid_t const*)p;
-
-    // Move to next descriptor
-    if (remaining_len < len) break;
-    p += len;
-    remaining_len -= len;
-  }
-
-  return NULL; // not found
-}
-
 bool hidh_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const* desc_itf, uint16_t max_len) {
   (void) rhport;
   (void) max_len;
@@ -540,58 +525,43 @@ bool hidh_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const* desc_
                                        desc_itf->bNumEndpoints * sizeof(tusb_desc_endpoint_t));
   TU_ASSERT(max_len >= drv_len);
   uint8_t const* p_desc = (uint8_t const*) desc_itf;
-  uint16_t       len_left = max_len;
-
-  // Move past Interface descriptor
-  uint16_t itf_len = p_desc[0];
-  p_desc += itf_len;
-  len_left -= itf_len;
-
-  // Find the descriptor anywhere in the report
-  tusb_hid_descriptor_hid_t const* desc_hid = find_hid_desc(p_desc, len_left);
 
-  // Did not find the descriptor in the report
-  TU_ASSERT(desc_hid != NULL);
-
-  // Open endpoints, scan all descs
-  p_desc = (uint8_t const*)desc_itf + desc_itf->bLength;
-  len_left = max_len - desc_itf->bLength;
+  // HID descriptor: mostly right after interface descriptor, in some rare case it might be after endpoint descriptors
+  p_desc = tu_desc_next(p_desc);
+  const tusb_hid_descriptor_hid_t *desc_hid;
+  if (tu_desc_type(p_desc) == HID_DESC_TYPE_HID) {
+    // HID after interface
+    desc_hid = (const tusb_hid_descriptor_hid_t *)p_desc;
+    p_desc   = tu_desc_next(p_desc);
+  } else {
+    // HID after endpoint
+    desc_hid = (const tusb_hid_descriptor_hid_t *)(p_desc + sizeof(tusb_desc_endpoint_t) * desc_itf->bNumEndpoints);
+    TU_ASSERT(tu_desc_type(desc_hid) == HID_DESC_TYPE_HID);
+  }
 
-  hidh_interface_t* p_hid = find_new_itf();
+  // Allocate new interface
+  hidh_interface_t *p_hid = find_new_itf();
   TU_ASSERT(p_hid); // not enough interface, try to increase CFG_TUH_HID
-  p_hid->daddr = daddr;
-
-  p_hid->ep_in   = 0;
-  p_hid->ep_out  = 0;
-
-  while (len_left >= 2)
-  {
-    uint8_t len  = p_desc[0];
-    uint8_t type = p_desc[1];
-    
-    if (len == 0) break;
-
-    if (type == TUSB_DESC_ENDPOINT)
-    {
-      tusb_desc_endpoint_t const* ep = (tusb_desc_endpoint_t const*)p_desc;
-      TU_ASSERT(tuh_edpt_open(daddr, ep));
-
-      if (tu_edpt_dir(ep->bEndpointAddress) == TUSB_DIR_IN) {
-        p_hid->ep_in = ep->bEndpointAddress;
-        p_hid->epin_size = tu_edpt_packet_size(ep);
-      } else {
-        p_hid->ep_out = ep->bEndpointAddress;
-        p_hid->epout_size = tu_edpt_packet_size(ep);
-      }
+  p_hid->daddr   = daddr;
+  p_hid->itf_num = desc_itf->bInterfaceNumber;
+
+  // Endpoint Descriptors
+  for (uint8_t i = 0; i < desc_itf->bNumEndpoints; i++) {
+    const tusb_desc_endpoint_t *desc_ep = (const tusb_desc_endpoint_t *)p_desc;
+    TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType);
+    TU_ASSERT(tuh_edpt_open(daddr, desc_ep));
+
+    if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) {
+      p_hid->ep_in = desc_ep->bEndpointAddress;
+      p_hid->epin_size = tu_edpt_packet_size(desc_ep);
+    } else {
+      p_hid->ep_out = desc_ep->bEndpointAddress;
+      p_hid->epout_size = tu_edpt_packet_size(desc_ep);
     }
 
-    p_desc += len;
-    len_left -= len;
+    p_desc = tu_desc_next(p_desc);
   }
 
-  // Store HID report info
-  p_hid->itf_num = desc_itf->bInterfaceNumber;
-
   // Assume bNumDescriptors = 1
   p_hid->report_desc_type = desc_hid->bReportType;
   // Use offsetof to avoid pointer to the odd/misaligned address
-- 
cgit v1.3.1


From ef018e364e886852e2789542b5758da6143af614 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Thu, 11 Dec 2025 15:58:10 +0700
Subject: refactor usbh_class_driver_t's open() to return number of driver len
 instead of bool. help to simplify parsing configuration

---
 src/class/cdc/cdc_host.c       | 250 +++++++++++++++++------------------
 src/class/cdc/cdc_host.h       |  73 ++++++-----
 src/class/cdc/cdc_rndis_host.c | 289 -----------------------------------------
 src/class/cdc/cdc_rndis_host.h |  63 ---------
 src/class/hid/hid_host.c       |  23 ++--
 src/class/hid/hid_host.h       |  56 ++++----
 src/class/midi/midi_host.c     |  41 +++---
 src/class/midi/midi_host.h     |  62 +++++----
 src/class/msc/msc_host.c       |  21 ++-
 src/class/msc/msc_host.h       |  48 ++++---
 src/common/tusb_common.h       |   5 +-
 src/common/tusb_private.h      |   3 -
 src/host/hub.c                 |  14 +-
 src/host/hub.h                 |  12 +-
 src/host/usbh.c                |  96 +++++---------
 src/host/usbh_pvt.h            |  17 ++-
 src/tusb.c                     |  31 -----
 17 files changed, 349 insertions(+), 755 deletions(-)
 delete mode 100644 src/class/cdc/cdc_rndis_host.c
 delete mode 100644 src/class/cdc/cdc_rndis_host.h

(limited to 'src/class/hid')

diff --git a/src/class/cdc/cdc_host.c b/src/class/cdc/cdc_host.c
index 28abbf098..ff1a8338d 100644
--- a/src/class/cdc/cdc_host.c
+++ b/src/class/cdc/cdc_host.c
@@ -41,13 +41,14 @@
 #include "serial/pl2303.h"
 
 // Level where CFG_TUSB_DEBUG must be at least for this driver is logged
-#ifndef CFG_TUH_CDC_LOG_LEVEL
-  #define CFG_TUH_CDC_LOG_LEVEL   2
-#endif
+  #ifndef CFG_TUH_CDC_LOG_LEVEL
+    #define CFG_TUH_CDC_LOG_LEVEL 2
+  #endif
 
-#define TU_LOG_DRV(...)                 TU_LOG(CFG_TUH_CDC_LOG_LEVEL, __VA_ARGS__)
-#define TU_LOG_CDC(_cdc, _format, ...)  TU_LOG_DRV("[:%u:%u] CDCh %s " _format "\r\n", _cdc->daddr, _cdc->bInterfaceNumber, \
-                                                    serial_drivers[_cdc->serial_drid].name, ##__VA_ARGS__)
+  #define TU_LOG_DRV(...) TU_LOG(CFG_TUH_CDC_LOG_LEVEL, __VA_ARGS__)
+  #define TU_LOG_CDC(_cdc, _format, ...)                                                \
+    TU_LOG_DRV("[:%u:%u] CDCh %s " _format "\r\n", _cdc->daddr, _cdc->bInterfaceNumber, \
+               serial_drivers[_cdc->serial_drid].name, ##__VA_ARGS__)
 
 //--------------------------------------------------------------------+
 // Host CDC Interface
@@ -113,63 +114,59 @@ static void cdch_set_line_coding_stage1_baudrate_complete(tuh_xfer_t *xfer);
 static void cdch_set_line_coding_stage2_data_format_complete(tuh_xfer_t *xfer);
 
 //------------- ACM prototypes -------------//
-static bool acm_open(uint8_t daddr, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
-static bool acm_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
-static void acm_internal_control_complete(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
-
-static bool acm_set_line_coding(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-static bool acm_set_control_line_state(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+static uint16_t acm_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len);
+static bool     acm_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
+static void     acm_internal_control_complete(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
+static bool     acm_set_line_coding(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+static bool     acm_set_control_line_state(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
 
-//------------- FTDI prototypes -------------//
-#if CFG_TUH_CDC_FTDI
+  //------------- FTDI prototypes -------------//
+  #if CFG_TUH_CDC_FTDI
 static uint16_t const ftdi_vid_pid_list[][2] = {CFG_TUH_CDC_FTDI_VID_PID_LIST};
-static bool ftdi_open(uint8_t daddr, const tusb_desc_interface_t * itf_desc, uint16_t max_len);
-static bool ftdi_proccess_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
-static void ftdi_internal_control_complete(cdch_interface_t* p_cdc, tuh_xfer_t *xfer);
 
-static bool ftdi_set_baudrate(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-static bool ftdi_set_data_format(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-static bool ftdi_set_modem_ctrl(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-#endif
+static uint16_t ftdi_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len);
+static bool     ftdi_proccess_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
+static void     ftdi_internal_control_complete(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
+static bool     ftdi_set_baudrate(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+static bool     ftdi_set_data_format(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+static bool     ftdi_set_modem_ctrl(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+  #endif
 
-//------------- CP210X prototypes -------------//
-#if CFG_TUH_CDC_CP210X
+  //------------- CP210X prototypes -------------//
+  #if CFG_TUH_CDC_CP210X
 static uint16_t const cp210x_vid_pid_list[][2] = {CFG_TUH_CDC_CP210X_VID_PID_LIST};
 
-static bool cp210x_open(uint8_t daddr, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
-static bool cp210x_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
-static void cp210x_internal_control_complete(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
-
-static bool cp210x_set_baudrate(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-static bool cp210x_set_data_format(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-static bool cp210x_set_modem_ctrl(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-#endif
+static uint16_t cp210x_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len);
+static bool     cp210x_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
+static void     cp210x_internal_control_complete(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
+static bool     cp210x_set_baudrate(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+static bool     cp210x_set_data_format(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+static bool     cp210x_set_modem_ctrl(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+  #endif
 
-//------------- CH34x prototypes -------------//
-#if CFG_TUH_CDC_CH34X
+  //------------- CH34x prototypes -------------//
+  #if CFG_TUH_CDC_CH34X
 static uint16_t const ch34x_vid_pid_list[][2] = {CFG_TUH_CDC_CH34X_VID_PID_LIST};
 
-static bool ch34x_open(uint8_t daddr, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
-static bool ch34x_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
-static void ch34x_internal_control_complete(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
-
-static bool ch34x_set_baudrate(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-static bool ch34x_set_data_format(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-static bool ch34x_set_modem_ctrl(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-#endif
+static uint16_t ch34x_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len);
+static bool     ch34x_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
+static void     ch34x_internal_control_complete(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
+static bool     ch34x_set_baudrate(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+static bool     ch34x_set_data_format(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+static bool     ch34x_set_modem_ctrl(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+  #endif
 
-//------------- PL2303 prototypes -------------//
-#if CFG_TUH_CDC_PL2303
+  //------------- PL2303 prototypes -------------//
+  #if CFG_TUH_CDC_PL2303
 static uint16_t const pl2303_vid_pid_list[][2] = {CFG_TUH_CDC_PL2303_VID_PID_LIST};
 static const pl2303_type_data_t pl2303_type_data[PL2303_TYPE_COUNT] = {PL2303_TYPE_DATA};
 
-static bool pl2303_open(uint8_t daddr, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
-static bool pl2303_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
-static void pl2303_internal_control_complete(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
-
-static bool pl2303_set_line_coding(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-static bool pl2303_set_modem_ctrl(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
-#endif
+static uint16_t pl2303_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len);
+static bool     pl2303_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
+static void     pl2303_internal_control_complete(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
+static bool     pl2303_set_line_coding(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+static bool     pl2303_set_modem_ctrl(cdch_interface_t *p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+  #endif
 
 //------------- Common -------------//
 enum {
@@ -197,11 +194,12 @@ enum {
 typedef bool (*serial_driver_func_t)(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
 
 typedef struct {
-  uint16_t const (*vid_pid_list)[2];
-  uint16_t const vid_pid_count;
-  bool (*const open)(uint8_t daddr, const tusb_desc_interface_t * itf_desc, uint16_t max_len);
-  bool (*const process_set_config)(cdch_interface_t * p_cdc, tuh_xfer_t * xfer);
-  void (*const request_complete)(cdch_interface_t * p_cdc, tuh_xfer_t * xfer); // internal request complete handler to update line state
+  const uint16_t (*vid_pid_list)[2];
+  const uint16_t vid_pid_count;
+  uint16_t (*const open)(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len);
+  bool (*const process_set_config)(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
+  // internal request complete handler to update line state
+  void (*const request_complete)(cdch_interface_t *p_cdc, tuh_xfer_t *xfer);
 
   serial_driver_func_t set_control_line_state, set_baudrate, set_data_format, set_line_coding;
 
@@ -731,11 +729,10 @@ bool cdch_xfer_cb(uint8_t daddr, uint8_t ep_addr, xfer_result_t event, uint32_t
 //--------------------------------------------------------------------+
 static bool open_ep_stream_pair(cdch_interface_t *p_cdc, tusb_desc_endpoint_t const *desc_ep) {
   for (size_t i = 0; i < 2; i++) {
-    TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType &&
-              TUSB_XFER_BULK == desc_ep->bmAttributes.xfer);
+    TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType && TUSB_XFER_BULK == desc_ep->bmAttributes.xfer, 0);
     TU_ASSERT(tuh_edpt_open(p_cdc->daddr, desc_ep));
-    tu_edpt_stream_t *stream =
-      (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) ? &p_cdc->stream.rx : &p_cdc->stream.tx;
+    const uint8_t     ep_dir = tu_edpt_dir(desc_ep->bEndpointAddress);
+    tu_edpt_stream_t *stream = (ep_dir == TUSB_DIR_IN) ? &p_cdc->stream.rx : &p_cdc->stream.tx;
     tu_edpt_stream_open(stream, p_cdc->daddr, desc_ep);
     tu_edpt_stream_clear(stream);
 
@@ -745,8 +742,8 @@ static bool open_ep_stream_pair(cdch_interface_t *p_cdc, tusb_desc_endpoint_t co
   return true;
 }
 
-bool cdch_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) {
-  (void) rhport;
+uint16_t cdch_open(uint8_t rhport, uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len) {
+  (void)rhport;
   // For CDC: only support ACM subclass
   // Note: Protocol 0xFF can be RNDIS device
   if (TUSB_CLASS_CDC == itf_desc->bInterfaceClass &&
@@ -755,15 +752,15 @@ bool cdch_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const *itf_d
   } else if (SERIAL_DRIVER_COUNT > 1 &&
              TUSB_CLASS_VENDOR_SPECIFIC == itf_desc->bInterfaceClass) {
     uint16_t vid, pid;
-    TU_VERIFY(tuh_vid_pid_get(daddr, &vid, &pid));
+    TU_VERIFY(tuh_vid_pid_get(daddr, &vid, &pid), 0);
 
-    for (size_t dr = 1; dr < SERIAL_DRIVER_COUNT; dr++) {
-      const cdch_serial_driver_t *driver = &serial_drivers[dr];
+    for (size_t drv = 1; drv < SERIAL_DRIVER_COUNT; drv++) {
+      const cdch_serial_driver_t *driver = &serial_drivers[drv];
       for (size_t i = 0; i < driver->vid_pid_count; i++) {
         if (driver->vid_pid_list[i][0] == vid && driver->vid_pid_list[i][1] == pid) {
-          const bool ret = driver->open(daddr, itf_desc, max_len);
+          const uint16_t drv_len = driver->open(daddr, itf_desc, max_len);
           TU_LOG_DRV("[:%u:%u] CDCh %s open %s\r\n", daddr, itf_desc->bInterfaceNumber, driver->name, ret ? "OK" : "FAILED");
-          return ret;
+          return drv_len;
         }
       }
     }
@@ -771,7 +768,7 @@ bool cdch_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const *itf_d
     // not supported class
   }
 
-  return false;
+  return 0;
 }
 
 bool cdch_set_config(uint8_t daddr, uint8_t itf_num) {
@@ -1012,19 +1009,19 @@ enum {
   CONFIG_ACM_COMPLETE = 0
 };
 
-static bool acm_open(uint8_t daddr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) {
-  uint8_t const *p_desc_end = ((uint8_t const *) itf_desc) + max_len;
+static uint16_t acm_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len) {
+  const uint8_t *p_desc   = (const uint8_t *)itf_desc;
+  const uint8_t *desc_end = p_desc + max_len;
 
   cdch_interface_t *p_cdc = make_new_itf(daddr, itf_desc);
-  TU_VERIFY(p_cdc);
-
+  TU_VERIFY(p_cdc, 0);
   p_cdc->serial_drid = SERIAL_DRIVER_ACM;
 
   //------------- Control Interface -------------//
-  uint8_t const *p_desc = tu_desc_next(itf_desc);
+  p_desc = tu_desc_next(p_desc);
 
   // Communication Functional Descriptors
-  while ((p_desc < p_desc_end) && (TUSB_DESC_CS_INTERFACE == tu_desc_type(p_desc))) {
+  while ((p_desc < desc_end) && (TUSB_DESC_CS_INTERFACE == tu_desc_type(p_desc))) {
     if (CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT == cdc_functional_desc_typeof(p_desc)) {
       // save ACM bmCapabilities
       p_cdc->acm.capability = ((cdc_desc_func_acm_t const *) p_desc)->bmCapabilities;
@@ -1035,26 +1032,27 @@ static bool acm_open(uint8_t daddr, tusb_desc_interface_t const *itf_desc, uint1
 
   // Open notification endpoint of control interface if any
   if (itf_desc->bNumEndpoints == 1) {
-    TU_ASSERT(TUSB_DESC_ENDPOINT == tu_desc_type(p_desc));
-    tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) p_desc;
-
-    TU_ASSERT(tuh_edpt_open(daddr, desc_ep));
+    TU_ASSERT(TUSB_DESC_ENDPOINT == tu_desc_type(p_desc), 0);
+    const tusb_desc_endpoint_t *desc_ep = (const tusb_desc_endpoint_t *)p_desc;
+    TU_ASSERT(tuh_edpt_open(daddr, desc_ep), 0);
     p_cdc->ep_notif = desc_ep->bEndpointAddress;
 
     p_desc = tu_desc_next(p_desc);
   }
 
   //------------- Data Interface (if any) -------------//
-  if ((TUSB_DESC_INTERFACE == tu_desc_type(p_desc)) &&
-      (TUSB_CLASS_CDC_DATA == ((tusb_desc_interface_t const *) p_desc)->bInterfaceClass)) {
-    // next to endpoint descriptor
-    p_desc = tu_desc_next(p_desc);
-
-    // data endpoints expected to be in pairs
-    TU_ASSERT(open_ep_stream_pair(p_cdc, (tusb_desc_endpoint_t const *) p_desc));
+  if (TUSB_DESC_INTERFACE == tu_desc_type(p_desc)) {
+    const tusb_desc_interface_t *data_itf = (const tusb_desc_interface_t *)p_desc;
+    if (data_itf->bInterfaceClass == TUSB_CLASS_CDC_DATA) {
+      p_desc = tu_desc_next(p_desc); // next to endpoint descriptor
+
+      // data endpoints expected to be in pairs
+      TU_ASSERT(open_ep_stream_pair(p_cdc, (const tusb_desc_endpoint_t *)p_desc), 0);
+      p_desc += data_itf->bNumEndpoints * sizeof(tusb_desc_endpoint_t);
+    }
   }
 
-  return true;
+  return (uint16_t)((uintptr_t)p_desc - (uintptr_t)itf_desc);
 }
 
 static bool acm_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer) {
@@ -1187,28 +1185,29 @@ enum {
   CONFIG_FTDI_COMPLETE
 };
 
-static bool ftdi_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len) {
+static uint16_t ftdi_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len) {
   // FTDI Interface includes 1 vendor interface + 2 bulk endpoints
   TU_VERIFY(itf_desc->bInterfaceSubClass == 0xff && itf_desc->bInterfaceProtocol == 0xff &&
-            itf_desc->bNumEndpoints == 2);
-  TU_VERIFY(sizeof(tusb_desc_interface_t) + 2 * sizeof(tusb_desc_endpoint_t) <= max_len);
+              itf_desc->bNumEndpoints == 2,
+            0);
+  const uint16_t drv_len = sizeof(tusb_desc_interface_t) + itf_desc->bNumEndpoints * sizeof(tusb_desc_endpoint_t);
+  TU_VERIFY(drv_len <= max_len, 0);
 
   cdch_interface_t *p_cdc = make_new_itf(daddr, itf_desc);
-  TU_VERIFY(p_cdc);
+  TU_VERIFY(p_cdc, 0);
 
   p_cdc->serial_drid = SERIAL_DRIVER_FTDI;
 
   // endpoint pair
-  tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc);
+  const tusb_desc_endpoint_t *desc_ep = (const tusb_desc_endpoint_t *)tu_desc_next(itf_desc);
 
-  /*
-   * NOTE: Some customers have programmed FT232R/FT245R devices
-   * with an endpoint size of 0 - not good.
-   */
-  TU_ASSERT(desc_ep->wMaxPacketSize != 0);
+  /* NOTE: Some users have programmed FT232R/FT245R devices
+   * with an endpoint size of 0 !!! */
+  TU_ASSERT(desc_ep->wMaxPacketSize != 0, 0);
 
-  // data endpoints expected to be in pairs
-  return open_ep_stream_pair(p_cdc, desc_ep);
+  TU_ASSERT(open_ep_stream_pair(p_cdc, desc_ep), 0);
+
+  return drv_len;
 }
 
 static bool ftdi_proccess_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer) {
@@ -1579,21 +1578,22 @@ enum {
   CONFIG_CP210X_COMPLETE
 };
 
-static bool cp210x_open(uint8_t daddr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) {
+static uint16_t cp210x_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len) {
   // CP210x Interface includes 1 vendor interface + 2 bulk endpoints
-  TU_VERIFY(itf_desc->bInterfaceSubClass == 0 && itf_desc->bInterfaceProtocol == 0 && itf_desc->bNumEndpoints == 2);
-  TU_VERIFY(sizeof(tusb_desc_interface_t) + 2 * sizeof(tusb_desc_endpoint_t) <= max_len);
+  TU_VERIFY(itf_desc->bInterfaceSubClass == 0 && itf_desc->bInterfaceProtocol == 0 && itf_desc->bNumEndpoints == 2, 0);
+  const uint16_t drv_len = sizeof(tusb_desc_interface_t) + itf_desc->bNumEndpoints * sizeof(tusb_desc_endpoint_t);
+  TU_VERIFY(drv_len <= max_len, 0);
 
   cdch_interface_t *p_cdc = make_new_itf(daddr, itf_desc);
-  TU_VERIFY(p_cdc);
+  TU_VERIFY(p_cdc, 0);
 
   p_cdc->serial_drid = SERIAL_DRIVER_CP210X;
 
-  // endpoint pair
-  tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc);
-
   // data endpoints expected to be in pairs
-  return open_ep_stream_pair(p_cdc, desc_ep);
+  const tusb_desc_endpoint_t *desc_ep = (const tusb_desc_endpoint_t *)tu_desc_next(itf_desc);
+  TU_ASSERT(open_ep_stream_pair(p_cdc, desc_ep));
+
+  return drv_len;
 }
 
 static bool cp210x_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer) {
@@ -1753,29 +1753,29 @@ enum {
   CONFIG_CH34X_COMPLETE
 };
 
-static bool ch34x_open(uint8_t daddr, tusb_desc_interface_t const * itf_desc, uint16_t max_len) {
+static uint16_t ch34x_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len) {
   // CH34x Interface includes 1 vendor interface + 2 bulk + 1 interrupt endpoints
-  TU_VERIFY(itf_desc->bNumEndpoints == 3);
-  TU_VERIFY(sizeof(tusb_desc_interface_t) + 3 * sizeof(tusb_desc_endpoint_t) <= max_len);
+  TU_VERIFY(itf_desc->bNumEndpoints == 3, 0);
+  const uint16_t drv_len = sizeof(tusb_desc_interface_t) + itf_desc->bNumEndpoints * sizeof(tusb_desc_endpoint_t);
+  TU_VERIFY(drv_len <= max_len, 0);
 
   cdch_interface_t * p_cdc = make_new_itf(daddr, itf_desc);
-  TU_VERIFY(p_cdc);
+  TU_VERIFY(p_cdc, 0);
 
   p_cdc->serial_drid = SERIAL_DRIVER_CH34X;
 
-  tusb_desc_endpoint_t const * desc_ep = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc);
+  const tusb_desc_endpoint_t *desc_ep = (const tusb_desc_endpoint_t *)tu_desc_next(itf_desc);
 
   // data endpoints expected to be in pairs
-  TU_ASSERT(open_ep_stream_pair(p_cdc, desc_ep));
-  desc_ep += 2;
+  TU_ASSERT(open_ep_stream_pair(p_cdc, desc_ep), 0);
+  desc_ep = (const tusb_desc_endpoint_t *)((uintptr_t)desc_ep + 2 * sizeof(tusb_desc_endpoint_t));
 
   // Interrupt endpoint: not used for now
-  TU_ASSERT(TUSB_DESC_ENDPOINT == tu_desc_type(desc_ep) &&
-            TUSB_XFER_INTERRUPT == desc_ep->bmAttributes.xfer);
-  TU_ASSERT(tuh_edpt_open(daddr, desc_ep));
+  TU_ASSERT(TUSB_DESC_ENDPOINT == tu_desc_type(desc_ep) && TUSB_XFER_INTERRUPT == desc_ep->bmAttributes.xfer, 0);
+  TU_ASSERT(tuh_edpt_open(daddr, desc_ep), 0);
   p_cdc->ep_notif = desc_ep->bEndpointAddress;
 
-  return true;
+  return drv_len;
 }
 
 static bool ch34x_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer) {
@@ -2089,13 +2089,14 @@ enum {
   CONFIG_PL2303_COMPLETE
 };
 
-static bool pl2303_open(uint8_t daddr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) {
+static uint16_t pl2303_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len) {
   // PL2303 Interface includes 1 vendor interface + 1 interrupt endpoints + 2 bulk
-  TU_VERIFY(itf_desc->bNumEndpoints == 3);
-  TU_VERIFY(sizeof(tusb_desc_interface_t) + 3 * sizeof(tusb_desc_endpoint_t) <= max_len);
+  TU_VERIFY(itf_desc->bNumEndpoints == 3, 0);
+  const uint16_t drv_len = sizeof(tusb_desc_interface_t) + itf_desc->bNumEndpoints * sizeof(tusb_desc_endpoint_t);
+  TU_VERIFY(drv_len <= max_len, 0);
 
   cdch_interface_t *p_cdc = make_new_itf(daddr, itf_desc);
-  TU_VERIFY(p_cdc);
+  TU_VERIFY(p_cdc, 0);
 
   p_cdc->serial_drid = SERIAL_DRIVER_PL2303;
   p_cdc->pl2303.quirks = 0;
@@ -2104,16 +2105,15 @@ static bool pl2303_open(uint8_t daddr, tusb_desc_interface_t const *itf_desc, ui
   tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc);
 
   // Interrupt endpoint: not used for now
-  TU_ASSERT(TUSB_DESC_ENDPOINT == tu_desc_type(desc_ep) &&
-            TUSB_XFER_INTERRUPT == desc_ep->bmAttributes.xfer);
-  TU_ASSERT(tuh_edpt_open(daddr, desc_ep));
+  TU_ASSERT(TUSB_DESC_ENDPOINT == tu_desc_type(desc_ep) && TUSB_XFER_INTERRUPT == desc_ep->bmAttributes.xfer, 0);
+  TU_ASSERT(tuh_edpt_open(daddr, desc_ep), 0);
   p_cdc->ep_notif = desc_ep->bEndpointAddress;
   desc_ep += 1;
 
   // data endpoints expected to be in pairs
-  TU_ASSERT(open_ep_stream_pair(p_cdc, desc_ep));
+  TU_ASSERT(open_ep_stream_pair(p_cdc, desc_ep), 0);
 
-  return true;
+  return drv_len;
 }
 
 static bool pl2303_process_set_config(cdch_interface_t *p_cdc, tuh_xfer_t *xfer) {
diff --git a/src/class/cdc/cdc_host.h b/src/class/cdc/cdc_host.h
index e8637beac..57919c7ff 100644
--- a/src/class/cdc/cdc_host.h
+++ b/src/class/cdc/cdc_host.h
@@ -30,7 +30,7 @@
 #include "cdc.h"
 
 #ifdef __cplusplus
- extern "C" {
+extern "C" {
 #endif
 
 //--------------------------------------------------------------------+
@@ -39,22 +39,22 @@
 
 // RX FIFO size
 #ifndef CFG_TUH_CDC_RX_BUFSIZE
-#define CFG_TUH_CDC_RX_BUFSIZE TUH_EPSIZE_BULK_MPS
+  #define CFG_TUH_CDC_RX_BUFSIZE TUH_EPSIZE_BULK_MPS
 #endif
 
 // RX Endpoint size
 #ifndef CFG_TUH_CDC_RX_EPSIZE
-#define CFG_TUH_CDC_RX_EPSIZE  TUH_EPSIZE_BULK_MPS
+  #define CFG_TUH_CDC_RX_EPSIZE TUH_EPSIZE_BULK_MPS
 #endif
 
 // TX FIFO size
 #ifndef CFG_TUH_CDC_TX_BUFSIZE
-#define CFG_TUH_CDC_TX_BUFSIZE TUH_EPSIZE_BULK_MPS
+  #define CFG_TUH_CDC_TX_BUFSIZE TUH_EPSIZE_BULK_MPS
 #endif
 
 // TX Endpoint size
 #ifndef CFG_TUH_CDC_TX_EPSIZE
-#define CFG_TUH_CDC_TX_EPSIZE  TUH_EPSIZE_BULK_MPS
+  #define CFG_TUH_CDC_TX_EPSIZE TUH_EPSIZE_BULK_MPS
 #endif
 
 //--------------------------------------------------------------------+
@@ -67,7 +67,7 @@ uint8_t tuh_cdc_itf_get_index(uint8_t daddr, uint8_t itf_num);
 
 // Get Interface information
 // return true if index is correct and interface is currently mounted
-bool tuh_cdc_itf_get_info(uint8_t idx, tuh_itf_info_t* info);
+bool tuh_cdc_itf_get_info(uint8_t idx, tuh_itf_info_t *info);
 
 // Check if an interface is mounted
 bool tuh_cdc_mounted(uint8_t idx);
@@ -75,7 +75,7 @@ bool tuh_cdc_mounted(uint8_t idx);
 // Get local (cached) line state
 // This function should return correct values if tuh_cdc_set_control_line_state() / tuh_cdc_get_control_line_state()
 // are invoked previously or CFG_TUH_CDC_LINE_STATE_ON_ENUM is defined.
-bool tuh_cdc_get_control_line_state_local(uint8_t idx, uint16_t* line_state);
+bool tuh_cdc_get_control_line_state_local(uint8_t idx, uint16_t *line_state);
 
 // Get current DTR status
 TU_ATTR_ALWAYS_INLINE static inline bool tuh_cdc_get_dtr(uint8_t idx) {
@@ -100,7 +100,7 @@ TU_ATTR_ALWAYS_INLINE static inline bool tuh_cdc_connected(uint8_t idx) {
 // This function should return correct values if tuh_cdc_set_line_coding() / tuh_cdc_get_line_coding()
 // are invoked previously or CFG_TUH_CDC_LINE_CODING_ON_ENUM is defined.
 // NOTE: This function does not make any USB transfer request to device.
-bool tuh_cdc_get_line_coding_local(uint8_t idx, cdc_line_coding_t* line_coding);
+bool tuh_cdc_get_line_coding_local(uint8_t idx, cdc_line_coding_t *line_coding);
 
 #define tuh_cdc_get_local_line_coding tuh_cdc_get_line_coding_local // backward compatibility
 
@@ -112,7 +112,7 @@ bool tuh_cdc_get_line_coding_local(uint8_t idx, cdc_line_coding_t* line_coding);
 uint32_t tuh_cdc_write_available(uint8_t idx);
 
 // Write to cdc interface
-uint32_t tuh_cdc_write(uint8_t idx, void const* buffer, uint32_t bufsize);
+uint32_t tuh_cdc_write(uint8_t idx, const void *buffer, uint32_t bufsize);
 
 // Force sending data if possible, return number of forced bytes
 uint32_t tuh_cdc_write_flush(uint8_t idx);
@@ -128,13 +128,13 @@ bool tuh_cdc_write_clear(uint8_t idx);
 uint32_t tuh_cdc_read_available(uint8_t idx);
 
 // Read from cdc interface
-uint32_t tuh_cdc_read (uint8_t idx, void* buffer, uint32_t bufsize);
+uint32_t tuh_cdc_read(uint8_t idx, void *buffer, uint32_t bufsize);
 
 // Get a byte from RX FIFO without removing it
-bool tuh_cdc_peek(uint8_t idx, uint8_t* ch);
+bool tuh_cdc_peek(uint8_t idx, uint8_t *ch);
 
 // Clear the received FIFO
-bool tuh_cdc_read_clear (uint8_t idx);
+bool tuh_cdc_read_clear(uint8_t idx);
 
 //--------------------------------------------------------------------+
 // Control Request API
@@ -149,16 +149,18 @@ bool tuh_cdc_read_clear (uint8_t idx);
 bool tuh_cdc_set_control_line_state(uint8_t idx, uint16_t line_state, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
 
 // Request to Set DTR
-TU_ATTR_ALWAYS_INLINE static inline bool tuh_cdc_set_dtr(uint8_t idx, bool dtr_state, tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
-  cdc_line_control_state_t line_state = { .dtr = dtr_state };
-  line_state.rts = tuh_cdc_get_rts(idx);
+TU_ATTR_ALWAYS_INLINE static inline bool tuh_cdc_set_dtr(uint8_t idx, bool dtr_state, tuh_xfer_cb_t complete_cb,
+                                                         uintptr_t user_data) {
+  cdc_line_control_state_t line_state = {.dtr = dtr_state};
+  line_state.rts                      = tuh_cdc_get_rts(idx);
   return tuh_cdc_set_control_line_state(idx, line_state.value, complete_cb, user_data);
 }
 
 // Request to Set RTS
-TU_ATTR_ALWAYS_INLINE static inline bool tuh_cdc_set_rts(uint8_t idx, bool rts_state, tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
-  cdc_line_control_state_t line_state = { .rts = rts_state };
-  line_state.dtr = tuh_cdc_get_dtr(idx);
+TU_ATTR_ALWAYS_INLINE static inline bool tuh_cdc_set_rts(uint8_t idx, bool rts_state, tuh_xfer_cb_t complete_cb,
+                                                         uintptr_t user_data) {
+  cdc_line_control_state_t line_state = {.rts = rts_state};
+  line_state.dtr                      = tuh_cdc_get_dtr(idx);
   return tuh_cdc_set_control_line_state(idx, line_state.value, complete_cb, user_data);
 }
 
@@ -166,11 +168,13 @@ TU_ATTR_ALWAYS_INLINE static inline bool tuh_cdc_set_rts(uint8_t idx, bool rts_s
 bool tuh_cdc_set_baudrate(uint8_t idx, uint32_t baudrate, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
 
 // Request to set data format
-bool tuh_cdc_set_data_format(uint8_t idx, uint8_t stop_bits, uint8_t parity, uint8_t data_bits, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+bool tuh_cdc_set_data_format(uint8_t idx, uint8_t stop_bits, uint8_t parity, uint8_t data_bits,
+                             tuh_xfer_cb_t complete_cb, uintptr_t user_data);
 
 // Request to Set Line Coding = baudrate + data format
 // Note: only implemented by ACM and CH34x, not supported by FTDI and CP210x yet
-bool tuh_cdc_set_line_coding(uint8_t idx, cdc_line_coding_t const* line_coding, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+bool tuh_cdc_set_line_coding(uint8_t idx, const cdc_line_coding_t *line_coding, tuh_xfer_cb_t complete_cb,
+                             uintptr_t user_data);
 
 // Request to Get Line Coding (ACM only)
 // Should only use if tuh_cdc_set_line_coding() / tuh_cdc_get_line_coding() never got invoked and
@@ -179,11 +183,13 @@ bool tuh_cdc_set_line_coding(uint8_t idx, cdc_line_coding_t const* line_coding,
 
 // Connect by set both DTR, RTS
 TU_ATTR_ALWAYS_INLINE static inline bool tuh_cdc_connect(uint8_t idx, tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
-  return tuh_cdc_set_control_line_state(idx, CDC_CONTROL_LINE_STATE_DTR | CDC_CONTROL_LINE_STATE_RTS, complete_cb, user_data);
+  return tuh_cdc_set_control_line_state(idx, CDC_CONTROL_LINE_STATE_DTR | CDC_CONTROL_LINE_STATE_RTS, complete_cb,
+                                        user_data);
 }
 
 // Disconnect by clear both DTR, RTS
-TU_ATTR_ALWAYS_INLINE static inline bool tuh_cdc_disconnect(uint8_t idx, tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
+TU_ATTR_ALWAYS_INLINE static inline bool tuh_cdc_disconnect(uint8_t idx, tuh_xfer_cb_t complete_cb,
+                                                            uintptr_t user_data) {
   return tuh_cdc_set_control_line_state(idx, 0x00, complete_cb, user_data);
 }
 
@@ -192,7 +198,8 @@ TU_ATTR_ALWAYS_INLINE static inline bool tuh_cdc_disconnect(uint8_t idx, tuh_xfe
 // Each Function will make a USB control transfer request to/from device the function will block until request is
 // complete. The function will return the transfer request result
 //--------------------------------------------------------------------+
-TU_ATTR_ALWAYS_INLINE static inline tusb_xfer_result_t tuh_cdc_set_control_line_state_sync(uint8_t idx, uint16_t line_state) {
+TU_ATTR_ALWAYS_INLINE static inline tusb_xfer_result_t tuh_cdc_set_control_line_state_sync(uint8_t  idx,
+                                                                                           uint16_t line_state) {
   TU_API_SYNC(tuh_cdc_set_control_line_state, idx, line_state);
 }
 
@@ -208,11 +215,13 @@ TU_ATTR_ALWAYS_INLINE static inline tusb_xfer_result_t tuh_cdc_set_baudrate_sync
   TU_API_SYNC(tuh_cdc_set_baudrate, idx, baudrate);
 }
 
-TU_ATTR_ALWAYS_INLINE static inline tusb_xfer_result_t tuh_cdc_set_data_format_sync(uint8_t idx, uint8_t stop_bits, uint8_t parity, uint8_t data_bits) {
+TU_ATTR_ALWAYS_INLINE static inline tusb_xfer_result_t tuh_cdc_set_data_format_sync(uint8_t idx, uint8_t stop_bits,
+                                                                                    uint8_t parity, uint8_t data_bits) {
   TU_API_SYNC(tuh_cdc_set_data_format, idx, stop_bits, parity, data_bits);
 }
 
-TU_ATTR_ALWAYS_INLINE static inline tusb_xfer_result_t tuh_cdc_set_line_coding_sync(uint8_t idx, cdc_line_coding_t const* line_coding) {
+TU_ATTR_ALWAYS_INLINE static inline tusb_xfer_result_t
+tuh_cdc_set_line_coding_sync(uint8_t idx, const cdc_line_coding_t *line_coding) {
   TU_API_SYNC(tuh_cdc_set_line_coding, idx, line_coding);
 }
 
@@ -244,15 +253,15 @@ extern void tuh_cdc_tx_complete_cb(uint8_t idx);
 //--------------------------------------------------------------------+
 // Internal Class Driver API
 //--------------------------------------------------------------------+
-bool cdch_init       (void);
-bool cdch_deinit     (void);
-bool cdch_open       (uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len);
-bool cdch_set_config (uint8_t dev_addr, uint8_t itf_num);
-bool cdch_xfer_cb    (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
-void cdch_close      (uint8_t dev_addr);
+bool     cdch_init(void);
+bool     cdch_deinit(void);
+uint16_t cdch_open(uint8_t rhport, uint8_t dev_addr, const tusb_desc_interface_t *itf_desc, uint16_t max_len);
+bool     cdch_set_config(uint8_t dev_addr, uint8_t itf_num);
+bool     cdch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
+void     cdch_close(uint8_t dev_addr);
 
 #ifdef __cplusplus
- }
+}
 #endif
 
 #endif /* TUSB_CDC_HOST_H_ */
diff --git a/src/class/cdc/cdc_rndis_host.c b/src/class/cdc/cdc_rndis_host.c
deleted file mode 100644
index e975ea440..000000000
--- a/src/class/cdc/cdc_rndis_host.c
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- * This file is part of the TinyUSB stack.
- */
-
-#include "tusb_option.h"
-
-#if (CFG_TUH_ENABLED && CFG_TUH_CDC && CFG_TUH_CDC_RNDIS)
-
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include "common/tusb_common.h"
-#include "cdc_host.h"
-#include "cdc_rndis_host.h"
-
-#if 0  // TODO remove subtask related macros later
-// Sub Task
-#define OSAL_SUBTASK_BEGIN
-#define OSAL_SUBTASK_END                    return TUSB_ERROR_NONE;
-
-#define STASK_RETURN(_error)                return _error;
-#define STASK_INVOKE(_subtask, _status)     (_status) = _subtask
-#define STASK_ASSERT(_cond)                 TU_VERIFY(_cond, TUSB_ERROR_OSAL_TASK_FAILED)
-#endif
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-#define RNDIS_MSG_PAYLOAD_MAX   (1024*4)
-
-CFG_TUH_MEM_SECTION static uint8_t msg_notification[CFG_TUH_DEVICE_MAX][8];
-CFG_TUH_MEM_SECTION CFG_TUH_MEM_ALIGN static uint8_t msg_payload[RNDIS_MSG_PAYLOAD_MAX];
-
-static rndish_data_t rndish_data[CFG_TUH_DEVICE_MAX];
-
-// TODO Microsoft requires message length for any get command must be at least 4096 bytes
-
-//--------------------------------------------------------------------+
-// INTERNAL OBJECT & FUNCTION DECLARATION
-//--------------------------------------------------------------------+
-static tusb_error_t rndis_body_subtask(void);
-static tusb_error_t send_message_get_response_subtask( uint8_t dev_addr, cdch_data_t *p_cdc,
-                                                       uint8_t * p_mess, uint32_t mess_length,
-                                                       uint8_t *p_response );
-
-//--------------------------------------------------------------------+
-// APPLICATION API
-//--------------------------------------------------------------------+
-tusb_error_t tusbh_cdc_rndis_get_mac_addr(uint8_t dev_addr, uint8_t mac_address[6])
-{
-  TU_ASSERT( tusbh_cdc_rndis_is_mounted(dev_addr),  TUSB_ERROR_CDCH_DEVICE_NOT_MOUNTED);
-  TU_VERIFY( mac_address,  TUSB_ERROR_INVALID_PARA);
-
-  memcpy(mac_address, rndish_data[dev_addr-1].mac_address, 6);
-
-  return TUSB_ERROR_NONE;
-}
-
-//--------------------------------------------------------------------+
-// IMPLEMENTATION
-//--------------------------------------------------------------------+
-
-// To enable the TASK_ASSERT style (quick return on false condition) in a real RTOS, a task must act as a wrapper
-// and is used mainly to call subtasks. Within a subtask return statement can be called freely, the task with
-// forever loop cannot have any return at all.
-OSAL_TASK_FUNCTION(cdch_rndis_task) (void* param;)
-{
-  OSAL_TASK_BEGIN
-  rndis_body_subtask();
-  OSAL_TASK_END
-}
-
-static tusb_error_t rndis_body_subtask(void)
-{
-  static uint8_t relative_addr;
-
-  OSAL_SUBTASK_BEGIN
-
-  for (relative_addr = 0; relative_addr < CFG_TUH_DEVICE_MAX; relative_addr++)
-  {
-
-  }
-
-  tusb_time_delay_ms_api(100);
-
-  OSAL_SUBTASK_END
-}
-
-//--------------------------------------------------------------------+
-// RNDIS-CDC Driver API
-//--------------------------------------------------------------------+
-void rndish_init(void)
-{
-  tu_memclr(rndish_data, sizeof(rndish_data_t)*CFG_TUH_DEVICE_MAX);
-
-  //------------- Task creation -------------//
-
-  //------------- semaphore creation for notification pipe -------------//
-  for(uint8_t i=0; i<CFG_TUH_DEVICE_MAX; i++)
-  {
-    rndish_data[i].sem_notification_hdl = osal_semaphore_create( OSAL_SEM_REF(rndish_data[i].semaphore_notification) );
-  }
-}
-
-void rndish_close(uint8_t dev_addr)
-{
-  osal_semaphore_reset( rndish_data[dev_addr-1].sem_notification_hdl );
-//  tu_memclr(&rndish_data[dev_addr-1], sizeof(rndish_data_t)); TODO need to move semaphore & its handle out before memclr
-}
-
-
-static rndis_msg_initialize_t const msg_init =
-{
-    .type          = RNDIS_MSG_INITIALIZE,
-    .length        = sizeof(rndis_msg_initialize_t),
-    .request_id    = 1, // TODO should use some magic number
-    .major_version = 1,
-    .minor_version = 0,
-    .max_xfer_size = 0x4000 // TODO mimic windows
-};
-
-static rndis_msg_query_t const msg_query_permanent_addr =
-{
-    .type          = RNDIS_MSG_QUERY,
-    .length        = sizeof(rndis_msg_query_t)+6,
-    .request_id    = 1,
-    .oid           = RNDIS_OID_802_3_PERMANENT_ADDRESS,
-    .buffer_length = 6,
-    .buffer_offset = 20,
-};
-
-static rndis_msg_set_t const msg_set_packet_filter =
-{
-    .type          = RNDIS_MSG_SET,
-    .length        = sizeof(rndis_msg_set_t)+4,
-    .request_id    = 1,
-    .oid           = RNDIS_OID_GEN_CURRENT_PACKET_FILTER,
-    .buffer_length = 4,
-    .buffer_offset = 20,
-};
-
-tusb_error_t rndish_open_subtask(uint8_t dev_addr, cdch_data_t *p_cdc)
-{
-  tusb_error_t error;
-
-  OSAL_SUBTASK_BEGIN
-
-  //------------- Message Initialize -------------//
-  memcpy(msg_payload, &msg_init, sizeof(rndis_msg_initialize_t));
-  STASK_INVOKE(
-      send_message_get_response_subtask( dev_addr, p_cdc,
-                                         msg_payload, sizeof(rndis_msg_initialize_t),
-                                         msg_payload),
-      error
-  );
-  if ( TUSB_ERROR_NONE != error )   STASK_RETURN(error);
-
-  // TODO currently not support multiple data packets per xfer
-  rndis_msg_initialize_cmplt_t * const p_init_cmpt = (rndis_msg_initialize_cmplt_t *) msg_payload;
-  STASK_ASSERT(p_init_cmpt->type == RNDIS_MSG_INITIALIZE_CMPLT && p_init_cmpt->status == RNDIS_STATUS_SUCCESS &&
-                 p_init_cmpt->max_packet_per_xfer == 1 && p_init_cmpt->max_xfer_size <= RNDIS_MSG_PAYLOAD_MAX);
-  rndish_data[dev_addr-1].max_xfer_size = p_init_cmpt->max_xfer_size;
-
-  //------------- Message Query 802.3 Permanent Address -------------//
-  memcpy(msg_payload, &msg_query_permanent_addr, sizeof(rndis_msg_query_t));
-  tu_memclr(msg_payload + sizeof(rndis_msg_query_t), 6); // 6 bytes for MAC address
-
-  STASK_INVOKE(
-      send_message_get_response_subtask( dev_addr, p_cdc,
-                                         msg_payload, sizeof(rndis_msg_query_t) + 6,
-                                         msg_payload),
-      error
-  );
-  if ( TUSB_ERROR_NONE != error )   STASK_RETURN(error);
-
-  rndis_msg_query_cmplt_t * const p_query_cmpt = (rndis_msg_query_cmplt_t *) msg_payload;
-  STASK_ASSERT(p_query_cmpt->type == RNDIS_MSG_QUERY_CMPLT && p_query_cmpt->status == RNDIS_STATUS_SUCCESS);
-  memcpy(rndish_data[dev_addr-1].mac_address, msg_payload + 8 + p_query_cmpt->buffer_offset, 6);
-
-  //------------- Set OID_GEN_CURRENT_PACKET_FILTER to (DIRECTED | MULTICAST | BROADCAST) -------------//
-  memcpy(msg_payload, &msg_set_packet_filter, sizeof(rndis_msg_set_t));
-  tu_memclr(msg_payload + sizeof(rndis_msg_set_t), 4); // 4 bytes for filter flags
-  ((rndis_msg_set_t*) msg_payload)->oid_buffer[0] = (RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_MULTICAST | RNDIS_PACKET_TYPE_BROADCAST);
-
-  STASK_INVOKE(
-      send_message_get_response_subtask( dev_addr, p_cdc,
-                                         msg_payload, sizeof(rndis_msg_set_t) + 4,
-                                         msg_payload),
-      error
-  );
-  if ( TUSB_ERROR_NONE != error )   STASK_RETURN(error);
-
-  rndis_msg_set_cmplt_t * const p_set_cmpt = (rndis_msg_set_cmplt_t *) msg_payload;
-  STASK_ASSERT(p_set_cmpt->type == RNDIS_MSG_SET_CMPLT && p_set_cmpt->status == RNDIS_STATUS_SUCCESS);
-
-  tusbh_cdc_rndis_mounted_cb(dev_addr);
-
-  OSAL_SUBTASK_END
-}
-
-void rndish_xfer_isr(cdch_data_t *p_cdc, pipe_handle_t pipe_hdl, xfer_result_t event, uint32_t xferred_bytes)
-{
-  if ( pipehandle_is_equal(pipe_hdl, p_cdc->pipe_notification) )
-  {
-    osal_semaphore_post( rndish_data[pipe_hdl.dev_addr-1].sem_notification_hdl );
-  }
-}
-
-//--------------------------------------------------------------------+
-// INTERNAL & HELPER
-//--------------------------------------------------------------------+
-static tusb_error_t send_message_get_response_subtask( uint8_t dev_addr, cdch_data_t *p_cdc,
-                                                       uint8_t * p_mess, uint32_t mess_length,
-                                                       uint8_t *p_response)
-{
-  tusb_error_t error;
-
-  OSAL_SUBTASK_BEGIN
-
-  //------------- Send RNDIS Control Message -------------//
-  STASK_INVOKE(
-      usbh_control_xfer_subtask( dev_addr, bm_request_type(TUSB_DIR_OUT, TUSB_REQ_TYPE_CLASS, TUSB_REQ_RCPT_INTERFACE),
-                                 CDC_REQUEST_SEND_ENCAPSULATED_COMMAND, 0, p_cdc->interface_number,
-                                 mess_length, p_mess),
-      error
-  );
-  if ( TUSB_ERROR_NONE != error )   STASK_RETURN(error);
-
-  //------------- waiting for Response Available notification -------------//
-  (void) usbh_edpt_xfer(p_cdc->pipe_notification, msg_notification[dev_addr-1], 8);
-  osal_semaphore_wait(rndish_data[dev_addr-1].sem_notification_hdl, OSAL_TIMEOUT_NORMAL, &error);
-  if ( TUSB_ERROR_NONE != error )   STASK_RETURN(error);
-  STASK_ASSERT(msg_notification[dev_addr-1][0] == 1);
-
-  //------------- Get RNDIS Message Initialize Complete -------------//
-  STASK_INVOKE(
-    usbh_control_xfer_subtask( dev_addr, bm_request_type(TUSB_DIR_IN, TUSB_REQ_TYPE_CLASS, TUSB_REQ_RCPT_INTERFACE),
-                               CDC_REQUEST_GET_ENCAPSULATED_RESPONSE, 0, p_cdc->interface_number,
-                               RNDIS_MSG_PAYLOAD_MAX, p_response),
-    error
-  );
-  if ( TUSB_ERROR_NONE != error )   STASK_RETURN(error);
-
-  OSAL_SUBTASK_END
-}
-
-//static tusb_error_t send_process_msg_initialize_subtask(uint8_t dev_addr, cdch_data_t *p_cdc)
-//{
-//  tusb_error_t error;
-//
-//  OSAL_SUBTASK_BEGIN
-//
-//  *((rndis_msg_initialize_t*) msg_payload) = (rndis_msg_initialize_t)
-//                                            {
-//                                                .type          = RNDIS_MSG_INITIALIZE,
-//                                                .length        = sizeof(rndis_msg_initialize_t),
-//                                                .request_id    = 1, // TODO should use some magic number
-//                                                .major_version = 1,
-//                                                .minor_version = 0,
-//                                                .max_xfer_size = 0x4000 // TODO mimic windows
-//                                            };
-//
-//
-//
-//  OSAL_SUBTASK_END
-//}
-#endif
diff --git a/src/class/cdc/cdc_rndis_host.h b/src/class/cdc/cdc_rndis_host.h
deleted file mode 100644
index e70d27f79..000000000
--- a/src/class/cdc/cdc_rndis_host.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- * This file is part of the TinyUSB stack.
- */
-
-/** \ingroup CDC_RNDIS
- * \defgroup CDC_RNSID_Host Host
- *  @{ */
-
-#ifndef TUSB_CDC_RNDIS_HOST_H_
-#define TUSB_CDC_RNDIS_HOST_H_
-
-#include "common/tusb_common.h"
-#include "host/usbh.h"
-#include "cdc_rndis.h"
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-//--------------------------------------------------------------------+
-// INTERNAL RNDIS-CDC Driver API
-//--------------------------------------------------------------------+
-typedef struct {
-  OSAL_SEM_DEF(semaphore_notification);
-  osal_semaphore_handle_t sem_notification_hdl;  // used to wait on notification pipe
-  uint32_t max_xfer_size; // got from device's msg initialize complete
-  uint8_t mac_address[6];
-}rndish_data_t;
-
-void rndish_init(void);
-bool rndish_open_subtask(uint8_t dev_addr, cdch_data_t *p_cdc);
-void rndish_xfer_isr(cdch_data_t *p_cdc, pipe_handle_t pipe_hdl, xfer_result_t event, uint32_t xferred_bytes);
-void rndish_close(uint8_t dev_addr);
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* TUSB_CDC_RNDIS_HOST_H_ */
-
-/** @} */
diff --git a/src/class/hid/hid_host.c b/src/class/hid/hid_host.c
index fe9a90d33..98f9bf80b 100644
--- a/src/class/hid/hid_host.c
+++ b/src/class/hid/hid_host.c
@@ -512,19 +512,18 @@ void hidh_close(uint8_t daddr) {
 //--------------------------------------------------------------------+
 // Enumeration
 //--------------------------------------------------------------------+
-
-bool hidh_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const* desc_itf, uint16_t max_len) {
+uint16_t hidh_open(uint8_t rhport, uint8_t daddr, const tusb_desc_interface_t *desc_itf, uint16_t max_len) {
   (void) rhport;
   (void) max_len;
 
-  TU_VERIFY(TUSB_CLASS_HID == desc_itf->bInterfaceClass);
+  TU_VERIFY(TUSB_CLASS_HID == desc_itf->bInterfaceClass, 0);
   TU_LOG_DRV("[%u] HID opening Interface %u\r\n", daddr, desc_itf->bInterfaceNumber);
 
   // len = interface + hid + n*endpoints
-  uint16_t const drv_len = (uint16_t) (sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) +
-                                       desc_itf->bNumEndpoints * sizeof(tusb_desc_endpoint_t));
-  TU_ASSERT(max_len >= drv_len);
-  uint8_t const* p_desc = (uint8_t const*) desc_itf;
+  const uint16_t drv_len = (uint16_t)(sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) +
+                                      desc_itf->bNumEndpoints * sizeof(tusb_desc_endpoint_t));
+  TU_ASSERT(drv_len <= max_len, 0);
+  const uint8_t *p_desc = (const uint8_t *)desc_itf;
 
   // HID descriptor: mostly right after interface descriptor, in some rare case it might be after endpoint descriptors
   p_desc = tu_desc_next(p_desc);
@@ -536,20 +535,20 @@ bool hidh_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const* desc_
   } else {
     // HID after endpoint
     desc_hid = (const tusb_hid_descriptor_hid_t *)(p_desc + sizeof(tusb_desc_endpoint_t) * desc_itf->bNumEndpoints);
-    TU_ASSERT(tu_desc_type(desc_hid) == HID_DESC_TYPE_HID);
+    TU_ASSERT(tu_desc_type(desc_hid) == HID_DESC_TYPE_HID, 0);
   }
 
   // Allocate new interface
   hidh_interface_t *p_hid = find_new_itf();
-  TU_ASSERT(p_hid); // not enough interface, try to increase CFG_TUH_HID
+  TU_ASSERT(p_hid, 0); // not enough interface, try to increase CFG_TUH_HID
   p_hid->daddr   = daddr;
   p_hid->itf_num = desc_itf->bInterfaceNumber;
 
   // Endpoint Descriptors
   for (uint8_t i = 0; i < desc_itf->bNumEndpoints; i++) {
     const tusb_desc_endpoint_t *desc_ep = (const tusb_desc_endpoint_t *)p_desc;
-    TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType);
-    TU_ASSERT(tuh_edpt_open(daddr, desc_ep));
+    TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType, 0);
+    TU_ASSERT(tuh_edpt_open(daddr, desc_ep), 0);
 
     if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) {
       p_hid->ep_in = desc_ep->bEndpointAddress;
@@ -573,7 +572,7 @@ bool hidh_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const* desc_
     p_hid->itf_protocol = desc_itf->bInterfaceProtocol;
   }
 
-  return true;
+  return drv_len;
 }
 
 //--------------------------------------------------------------------+
diff --git a/src/class/hid/hid_host.h b/src/class/hid/hid_host.h
index 87f0e7dc9..d7a415485 100644
--- a/src/class/hid/hid_host.h
+++ b/src/class/hid/hid_host.h
@@ -39,22 +39,22 @@ extern "C" {
 
 // TODO Highspeed interrupt can be up to 512 bytes
 #ifndef CFG_TUH_HID_EPIN_BUFSIZE
-#define CFG_TUH_HID_EPIN_BUFSIZE 64
+  #define CFG_TUH_HID_EPIN_BUFSIZE 64
 #endif
 
 #ifndef CFG_TUH_HID_EPOUT_BUFSIZE
-#define CFG_TUH_HID_EPOUT_BUFSIZE 64
+  #define CFG_TUH_HID_EPOUT_BUFSIZE 64
 #endif
 
 
 typedef struct {
-  uint8_t report_id;
-  uint8_t usage;
+  uint8_t  report_id;
+  uint8_t  usage;
   uint16_t usage_page;
 
   // TODO still use the endpoint size for now
-//  uint8_t in_len;      // length of IN report
-//  uint8_t out_len;     // length of OUT report
+  //  uint8_t in_len;      // length of IN report
+  //  uint8_t out_len;     // length of OUT report
 } tuh_hid_report_info_t;
 
 //--------------------------------------------------------------------+
@@ -68,10 +68,10 @@ uint8_t tuh_hid_itf_get_count(uint8_t dev_addr);
 uint8_t tuh_hid_itf_get_total_count(void);
 
 // backward compatible rename
-#define tuh_hid_instance_count    tuh_hid_itf_get_count
+#define tuh_hid_instance_count tuh_hid_itf_get_count
 
 // Get Interface information
-bool tuh_hid_itf_get_info(uint8_t daddr, uint8_t idx, tuh_itf_info_t* itf_info);
+bool tuh_hid_itf_get_info(uint8_t daddr, uint8_t idx, tuh_itf_info_t *itf_info);
 
 // Get Interface index from device address + interface number
 // return TUSB_INDEX_INVALID_8 (0xFF) if not found
@@ -85,8 +85,8 @@ bool tuh_hid_mounted(uint8_t dev_addr, uint8_t idx);
 
 // Parse report descriptor into array of report_info struct and return number of reports.
 // For complicated report, application should write its own parser.
-TU_ATTR_UNUSED uint8_t tuh_hid_parse_report_descriptor(tuh_hid_report_info_t* reports_info_arr, uint8_t arr_count,
-                                                       uint8_t const* desc_report, uint16_t desc_len);
+TU_ATTR_UNUSED uint8_t tuh_hid_parse_report_descriptor(tuh_hid_report_info_t *reports_info_arr, uint8_t arr_count,
+                                                       const uint8_t *desc_report, uint16_t desc_len);
 
 //--------------------------------------------------------------------+
 // Control Endpoint API
@@ -107,12 +107,13 @@ bool tuh_hid_set_protocol(uint8_t dev_addr, uint8_t idx, uint8_t protocol);
 
 // Get Report using control endpoint
 // report_type is either Input, Output or Feature, (value from hid_report_type_t)
-bool tuh_hid_get_report(uint8_t dev_addr, uint8_t idx, uint8_t report_id, uint8_t report_type, void* report, uint16_t len);
+bool tuh_hid_get_report(uint8_t dev_addr, uint8_t idx, uint8_t report_id, uint8_t report_type, void *report,
+                        uint16_t len);
 
 // Set Report using control endpoint
 // report_type is either Input, Output or Feature, (value from hid_report_type_t)
-bool tuh_hid_set_report(uint8_t dev_addr, uint8_t idx, uint8_t report_id, uint8_t report_type,
-                        void* report, uint16_t len);
+bool tuh_hid_set_report(uint8_t dev_addr, uint8_t idx, uint8_t report_id, uint8_t report_type, void *report,
+                        uint16_t len);
 
 //--------------------------------------------------------------------+
 // Interrupt Endpoint API
@@ -133,8 +134,9 @@ bool tuh_hid_receive_abort(uint8_t dev_addr, uint8_t idx);
 bool tuh_hid_send_ready(uint8_t dev_addr, uint8_t idx);
 
 // Send report using interrupt endpoint
-// If report_id > 0 (composite), it will be sent as 1st byte, then report contents. Otherwise only report content is sent.
-bool tuh_hid_send_report(uint8_t dev_addr, uint8_t idx, uint8_t report_id, const void* report, uint16_t len);
+// If report_id > 0 (composite), it will be sent as 1st byte, then report contents. Otherwise only report content is
+// sent.
+bool tuh_hid_send_report(uint8_t dev_addr, uint8_t idx, uint8_t report_id, const void *report, uint16_t len);
 
 //--------------------------------------------------------------------+
 // Callbacks (Weak is optional)
@@ -145,25 +147,27 @@ bool tuh_hid_send_report(uint8_t dev_addr, uint8_t idx, uint8_t report_id, const
 // can be used to parse common/simple enough descriptor.
 // Note: if report descriptor length > CFG_TUH_ENUMERATION_BUFSIZE, it will be skipped
 // therefore report_desc = NULL, desc_len = 0
-void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t idx, uint8_t const* report_desc, uint16_t desc_len);
+void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t idx, const uint8_t *report_desc, uint16_t desc_len);
 
 // Invoked when device with hid interface is un-mounted
 void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t idx);
 
 // Invoked when received report from device via interrupt endpoint
 // Note: if there is report ID (composite), it is 1st byte of report
-void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t idx, uint8_t const* report, uint16_t len);
+void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t idx, const uint8_t *report, uint16_t len);
 
 // Invoked when sent report to device successfully via interrupt endpoint
-void tuh_hid_report_sent_cb(uint8_t dev_addr, uint8_t idx, uint8_t const* report, uint16_t len);
+void tuh_hid_report_sent_cb(uint8_t dev_addr, uint8_t idx, const uint8_t *report, uint16_t len);
 
 // Invoked when Get Report to device via either control endpoint
 // len = 0 indicate there is error in the transfer e.g stalled response
-void tuh_hid_get_report_complete_cb(uint8_t dev_addr, uint8_t idx, uint8_t report_id, uint8_t report_type, uint16_t len);
+void tuh_hid_get_report_complete_cb(uint8_t dev_addr, uint8_t idx, uint8_t report_id, uint8_t report_type,
+                                    uint16_t len);
 
 // Invoked when Sent Report to device via either control endpoint
 // len = 0 indicate there is error in the transfer e.g stalled response
-void tuh_hid_set_report_complete_cb(uint8_t dev_addr, uint8_t idx, uint8_t report_id, uint8_t report_type, uint16_t len);
+void tuh_hid_set_report_complete_cb(uint8_t dev_addr, uint8_t idx, uint8_t report_id, uint8_t report_type,
+                                    uint16_t len);
 
 // Invoked when Set Protocol request is complete
 void tuh_hid_set_protocol_complete_cb(uint8_t dev_addr, uint8_t idx, uint8_t protocol);
@@ -171,12 +175,12 @@ void tuh_hid_set_protocol_complete_cb(uint8_t dev_addr, uint8_t idx, uint8_t pro
 //--------------------------------------------------------------------+
 // Internal Class Driver API
 //--------------------------------------------------------------------+
-bool hidh_init(void);
-bool hidh_deinit(void);
-bool hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const* desc_itf, uint16_t max_len);
-bool hidh_set_config(uint8_t dev_addr, uint8_t itf_num);
-bool hidh_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
-void hidh_close(uint8_t dev_addr);
+bool     hidh_init(void);
+bool     hidh_deinit(void);
+uint16_t hidh_open(uint8_t rhport, uint8_t dev_addr, const tusb_desc_interface_t *desc_itf, uint16_t max_len);
+bool     hidh_set_config(uint8_t dev_addr, uint8_t itf_num);
+bool     hidh_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
+void     hidh_close(uint8_t dev_addr);
 
 #ifdef __cplusplus
 }
diff --git a/src/class/midi/midi_host.c b/src/class/midi/midi_host.c
index b4f5ac445..5548a0ba8 100644
--- a/src/class/midi/midi_host.c
+++ b/src/class/midi/midi_host.c
@@ -192,15 +192,16 @@ bool midih_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint
 //--------------------------------------------------------------------+
 // Enumeration
 //--------------------------------------------------------------------+
-bool midih_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t max_len) {
+uint16_t midih_open(uint8_t rhport, uint8_t dev_addr, const tusb_desc_interface_t *desc_itf, uint16_t max_len) {
   (void) rhport;
 
-  TU_VERIFY(TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass);
-  const uint8_t *p_end = ((const uint8_t *) desc_itf) + max_len;
-  const uint8_t *p_desc = (const uint8_t *) desc_itf;
+  TU_VERIFY(TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass, 0);
+  const uint8_t *desc_start = (const uint8_t *)desc_itf;
+  const uint8_t *p_desc     = desc_start;
+  const uint8_t *desc_end   = desc_start + max_len;
 
   const uint8_t idx = find_new_midi_index();
-  TU_VERIFY(idx < CFG_TUH_MIDI);
+  TU_VERIFY(idx < CFG_TUH_MIDI, 0);
   midih_interface_t *p_midi = &_midi_host[idx];
   p_midi->itf_count = 0;
 
@@ -217,29 +218,30 @@ bool midih_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *d
   // driver after parsing the audio control interface and then resume parsing
   // the streaming audio interface.
   if (AUDIO_SUBCLASS_CONTROL == desc_itf->bInterfaceSubClass) {
-    TU_VERIFY(max_len > 2*sizeof(tusb_desc_interface_t) + sizeof(midi10_desc_cs_ac_interface_t));
-
+    TU_VERIFY(max_len > 2 * sizeof(tusb_desc_interface_t) + sizeof(midi10_desc_cs_ac_interface_t), 0);
     p_desc = tu_desc_next(p_desc);
     TU_VERIFY(tu_desc_type(p_desc) == TUSB_DESC_CS_INTERFACE &&
-              tu_desc_subtype(p_desc) == AUDIO10_CS_AC_INTERFACE_HEADER);
+                tu_desc_subtype(p_desc) == AUDIO10_CS_AC_INTERFACE_HEADER,
+              0);
     desc_cb.desc_audio_control = desc_itf;
 
     p_desc = tu_desc_next(p_desc);
     desc_itf = (const tusb_desc_interface_t *)p_desc;
     p_midi->itf_count = 1;
     // skip non-interface and non-midi streaming descriptors
-    while (tu_desc_in_bounds(p_desc, p_end) &&
-      (desc_itf->bDescriptorType != TUSB_DESC_INTERFACE || (desc_itf->bInterfaceClass == TUSB_CLASS_AUDIO && desc_itf->bInterfaceSubClass != AUDIO_SUBCLASS_MIDI_STREAMING))) {
+    while (tu_desc_in_bounds(p_desc, desc_end) && (desc_itf->bDescriptorType != TUSB_DESC_INTERFACE ||
+                                                   (desc_itf->bInterfaceClass == TUSB_CLASS_AUDIO &&
+                                                    desc_itf->bInterfaceSubClass != AUDIO_SUBCLASS_MIDI_STREAMING))) {
       if (desc_itf->bDescriptorType == TUSB_DESC_INTERFACE && desc_itf->bAlternateSetting == 0) {
         p_midi->itf_count++;
       }
       p_desc = tu_desc_next(p_desc);
-      desc_itf = (tusb_desc_interface_t const *)p_desc;
+      desc_itf = (const tusb_desc_interface_t *)p_desc;
     }
-    TU_VERIFY(p_desc < p_end); // TODO: If MIDI interface comes after Audio Streaming, then max_len did not include the MIDI interface descriptor
-    TU_VERIFY(TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass);
+    TU_VERIFY(p_desc < desc_end, 0);
+    TU_VERIFY(TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass, 0);
   }
-  TU_VERIFY(AUDIO_SUBCLASS_MIDI_STREAMING == desc_itf->bInterfaceSubClass);
+  TU_VERIFY(AUDIO_SUBCLASS_MIDI_STREAMING == desc_itf->bInterfaceSubClass, 0);
 
   TU_LOG_DRV("MIDI opening Interface %u (addr = %u)\r\n", desc_itf->bInterfaceNumber, dev_addr);
   p_midi->bInterfaceNumber = desc_itf->bInterfaceNumber;
@@ -250,7 +252,7 @@ bool midih_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *d
   p_desc = tu_desc_next(p_desc); // next to CS Header
 
   bool found_new_interface = false;
-  while (tu_desc_in_bounds(p_desc, p_end) && !found_new_interface) {
+  while (tu_desc_in_bounds(p_desc, desc_end) && !found_new_interface) {
     switch (tu_desc_type(p_desc)) {
       case TUSB_DESC_INTERFACE:
         found_new_interface = true;
@@ -287,8 +289,9 @@ bool midih_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *d
 
       case TUSB_DESC_ENDPOINT: {
         const tusb_desc_endpoint_t *p_ep = (const tusb_desc_endpoint_t *) p_desc;
+
         p_desc = tu_desc_next(p_desc); // next to CS endpoint
-        TU_VERIFY(p_desc < p_end && tu_desc_next(p_desc) <= p_end);
+        TU_VERIFY(tu_desc_in_bounds(p_desc, desc_end), 0);
         const midi_desc_cs_endpoint_t *p_csep = (const midi_desc_cs_endpoint_t *) p_desc;
 
         TU_LOG_DRV("  Endpoint and CS_Endpoint descriptor %02x\r\n", p_ep->bEndpointAddress);
@@ -302,7 +305,7 @@ bool midih_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *d
           desc_cb.desc_epin      = p_ep;
           ep_stream              = &p_midi->ep_stream.rx;
         }
-        TU_ASSERT(tuh_edpt_open(dev_addr, p_ep));
+        TU_ASSERT(tuh_edpt_open(dev_addr, p_ep), 0);
         tu_edpt_stream_open(ep_stream, dev_addr, p_ep);
         tu_edpt_stream_clear(ep_stream);
 
@@ -313,12 +316,12 @@ bool midih_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *d
     }
     p_desc = tu_desc_next(p_desc);
   }
-  desc_cb.desc_midi_total_len = (uint16_t) ((uintptr_t)p_desc - (uintptr_t) desc_itf);
+  desc_cb.desc_midi_total_len = (uint16_t)((uintptr_t)p_desc - (uintptr_t)desc_start);
 
   p_midi->daddr = dev_addr;
   tuh_midi_descriptor_cb(idx, &desc_cb);
 
-  return true;
+  return desc_cb.desc_midi_total_len;
 }
 
 bool midih_set_config(uint8_t dev_addr, uint8_t itf_num) {
diff --git a/src/class/midi/midi_host.h b/src/class/midi/midi_host.h
index 06554a03d..8a8dccab4 100644
--- a/src/class/midi/midi_host.h
+++ b/src/class/midi/midi_host.h
@@ -31,45 +31,45 @@
 #include "midi.h"
 
 #ifdef __cplusplus
- extern "C" {
+extern "C" {
 #endif
 
 //--------------------------------------------------------------------+
 // Class Driver Configuration
 //--------------------------------------------------------------------+
 #ifndef CFG_TUH_MIDI_RX_BUFSIZE
-#define CFG_TUH_MIDI_RX_BUFSIZE TUH_EPSIZE_BULK_MPS
+  #define CFG_TUH_MIDI_RX_BUFSIZE TUH_EPSIZE_BULK_MPS
 #endif
 
 #ifndef CFG_TUH_MIDI_TX_BUFSIZE
-#define CFG_TUH_MIDI_TX_BUFSIZE TUH_EPSIZE_BULK_MPS
+  #define CFG_TUH_MIDI_TX_BUFSIZE TUH_EPSIZE_BULK_MPS
 #endif
 
 #ifndef CFG_TUH_MIDI_EP_BUFSIZE
-#define CFG_TUH_MIDI_EP_BUFSIZE TUH_EPSIZE_BULK_MPS
+  #define CFG_TUH_MIDI_EP_BUFSIZE TUH_EPSIZE_BULK_MPS
 #endif
 
 // Enable the MIDI stream read/write API. Some library can work with raw USB MIDI packet
 // Disable this can save driver footprint.
 #ifndef CFG_TUH_MIDI_STREAM_API
-#define CFG_TUH_MIDI_STREAM_API 1
+  #define CFG_TUH_MIDI_STREAM_API 1
 #endif
 
 //--------------------------------------------------------------------+
 // Application Types
 //--------------------------------------------------------------------+
 typedef struct {
-  const tusb_desc_interface_t* desc_audio_control;
-  const tusb_desc_interface_t* desc_midi; // start of whole midi interface descriptor
-  uint16_t desc_midi_total_len;
+  const tusb_desc_interface_t *desc_audio_control;
+  const tusb_desc_interface_t *desc_midi; // start of whole midi interface descriptor
+  uint16_t                     desc_midi_total_len;
 
-  const uint8_t* desc_header;
-  const uint8_t* desc_element;
-  const tusb_desc_endpoint_t* desc_epin;  // endpoint IN descriptor, CS_ENDPOINT is right after
-  const tusb_desc_endpoint_t* desc_epout; // endpoint OUT descriptor, CS_ENDPOINT is right after
+  const uint8_t              *desc_header;
+  const uint8_t              *desc_element;
+  const tusb_desc_endpoint_t *desc_epin;  // endpoint IN descriptor, CS_ENDPOINT is right after
+  const tusb_desc_endpoint_t *desc_epout; // endpoint OUT descriptor, CS_ENDPOINT is right after
 
-  uint8_t jack_num;
-  const uint8_t* desc_jack[32]; // list of jack descriptors (embedded + external)
+  uint8_t        jack_num;
+  const uint8_t *desc_jack[32];           // list of jack descriptors (embedded + external)
 } tuh_midi_descriptor_cb_t;
 
 typedef struct {
@@ -92,7 +92,7 @@ uint8_t tuh_midi_itf_get_index(uint8_t daddr, uint8_t itf_num);
 
 // Get Interface information
 // return true if index is correct and interface is currently mounted
-bool tuh_midi_itf_get_info(uint8_t idx, tuh_itf_info_t* info);
+bool tuh_midi_itf_get_info(uint8_t idx, tuh_itf_info_t *info);
 
 // return the number of virtual midi cables on the device's IN endpoint
 uint8_t tuh_midi_get_rx_cable_count(uint8_t idx);
@@ -115,24 +115,22 @@ uint32_t tuh_midi_write_flush(uint8_t idx);
 
 // Read all available MIDI packets from the connected device
 // Return number of bytes read (always multiple of 4)
-uint32_t tuh_midi_packet_read_n(uint8_t idx, uint8_t* buffer, uint32_t bufsize);
+uint32_t tuh_midi_packet_read_n(uint8_t idx, uint8_t *buffer, uint32_t bufsize);
 
 // Read a raw MIDI packet from the connected device
 // Return true if a packet was returned
-TU_ATTR_ALWAYS_INLINE static inline
-bool tuh_midi_packet_read (uint8_t idx, uint8_t packet[4]) {
- return 4 == tuh_midi_packet_read_n(idx, packet, 4);
+TU_ATTR_ALWAYS_INLINE static inline bool tuh_midi_packet_read(uint8_t idx, uint8_t packet[4]) {
+  return 4 == tuh_midi_packet_read_n(idx, packet, 4);
 }
 
 // Write all 4-byte packets, data is locally buffered and only transferred when buffered bytes
 // reach the endpoint packet size or tuh_midi_write_flush() is called
-uint32_t tuh_midi_packet_write_n(uint8_t idx, const uint8_t* buffer, uint32_t bufsize);
+uint32_t tuh_midi_packet_write_n(uint8_t idx, const uint8_t *buffer, uint32_t bufsize);
 
 // Write a 4-bytes packet to the device.
 // Returns true if the packet was successfully queued.
-TU_ATTR_ALWAYS_INLINE static inline
-bool tuh_midi_packet_write (uint8_t idx, uint8_t const packet[4]) {
- return 4 == tuh_midi_packet_write_n(idx, packet, 4);
+TU_ATTR_ALWAYS_INLINE static inline bool tuh_midi_packet_write(uint8_t idx, const uint8_t packet[4]) {
+  return 4 == tuh_midi_packet_write_n(idx, packet, 4);
 }
 
 //--------------------------------------------------------------------+
@@ -143,7 +141,7 @@ bool tuh_midi_packet_write (uint8_t idx, uint8_t const packet[4]) {
 // Queue a message to the device using stream API. data is locally buffered and only transferred when buffered bytes
 // reach the endpoint packet size or tuh_midi_write_flush() is called
 // Returns number of bytes was successfully queued.
-uint32_t tuh_midi_stream_write(uint8_t idx, uint8_t cable_num, uint8_t const *p_buffer, uint32_t bufsize);
+uint32_t tuh_midi_stream_write(uint8_t idx, uint8_t cable_num, const uint8_t *p_buffer, uint32_t bufsize);
 
 // Get the MIDI stream from the device. Set the value pointed
 // to by p_cable_num to the MIDI cable number intended to receive it.
@@ -162,10 +160,10 @@ uint32_t tuh_midi_stream_read(uint8_t idx, uint8_t *p_cable_num, uint8_t *p_buff
 
 // Invoked when MIDI interface is detected in enumeration. Application can copy/parse descriptor if needed.
 // Note: may be fired before tuh_midi_mount_cb(), therefore midi interface is not mounted/ready.
-void tuh_midi_descriptor_cb(uint8_t idx, const tuh_midi_descriptor_cb_t * desc_cb_data);
+void tuh_midi_descriptor_cb(uint8_t idx, const tuh_midi_descriptor_cb_t *desc_cb_data);
 
 // Invoked when device with MIDI interface is mounted.
-void tuh_midi_mount_cb(uint8_t idx, const tuh_midi_mount_cb_t* mount_cb_data);
+void tuh_midi_mount_cb(uint8_t idx, const tuh_midi_mount_cb_t *mount_cb_data);
 
 // Invoked when device with MIDI interface is un-mounted
 void tuh_midi_umount_cb(uint8_t idx);
@@ -179,12 +177,12 @@ void tuh_midi_tx_cb(uint8_t idx, uint32_t xferred_bytes);
 //--------------------------------------------------------------------+
 // Internal Class Driver API
 //--------------------------------------------------------------------+
-bool midih_init       (void);
-bool midih_deinit     (void);
-bool midih_open       (uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t max_len);
-bool midih_set_config (uint8_t dev_addr, uint8_t itf_num);
-bool midih_xfer_cb    (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
-void midih_close      (uint8_t daddr);
+bool     midih_init(void);
+bool     midih_deinit(void);
+uint16_t midih_open(uint8_t rhport, uint8_t dev_addr, const tusb_desc_interface_t *desc_itf, uint16_t max_len);
+bool     midih_set_config(uint8_t dev_addr, uint8_t itf_num);
+bool     midih_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
+void     midih_close(uint8_t daddr);
 
 #ifdef __cplusplus
 }
diff --git a/src/class/msc/msc_host.c b/src/class/msc/msc_host.c
index daff345c5..6a36c2820 100644
--- a/src/class/msc/msc_host.c
+++ b/src/class/msc/msc_host.c
@@ -379,22 +379,21 @@ static bool config_test_unit_ready_complete(uint8_t dev_addr, tuh_msc_complete_d
 static bool config_request_sense_complete(uint8_t dev_addr, tuh_msc_complete_data_t const* cb_data);
 static bool config_read_capacity_complete(uint8_t dev_addr, tuh_msc_complete_data_t const* cb_data);
 
-bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const* desc_itf, uint16_t max_len) {
+uint16_t msch_open(uint8_t rhport, uint8_t dev_addr, const tusb_desc_interface_t *desc_itf, uint16_t max_len) {
   (void) rhport;
-  TU_VERIFY (MSC_SUBCLASS_SCSI == desc_itf->bInterfaceSubClass &&
-             MSC_PROTOCOL_BOT == desc_itf->bInterfaceProtocol);
+  TU_VERIFY(MSC_SUBCLASS_SCSI == desc_itf->bInterfaceSubClass && MSC_PROTOCOL_BOT == desc_itf->bInterfaceProtocol, 0);
 
   // msc driver length is fixed
-  uint16_t const drv_len = (uint16_t) (sizeof(tusb_desc_interface_t) +
-                                       desc_itf->bNumEndpoints * sizeof(tusb_desc_endpoint_t));
-  TU_ASSERT(drv_len <= max_len);
+  const uint16_t drv_len =
+    (uint16_t)(sizeof(tusb_desc_interface_t) + desc_itf->bNumEndpoints * sizeof(tusb_desc_endpoint_t));
+  TU_ASSERT(drv_len <= max_len, 0);
 
-  msch_interface_t* p_msc = get_itf(dev_addr);
-  tusb_desc_endpoint_t const* ep_desc = (tusb_desc_endpoint_t const*) tu_desc_next(desc_itf);
+  msch_interface_t           *p_msc   = get_itf(dev_addr);
+  const tusb_desc_endpoint_t *ep_desc = (const tusb_desc_endpoint_t *)tu_desc_next(desc_itf);
 
   for (uint32_t i = 0; i < 2; i++) {
-    TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType && TUSB_XFER_BULK == ep_desc->bmAttributes.xfer);
-    TU_ASSERT(tuh_edpt_open(dev_addr, ep_desc));
+    TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType && TUSB_XFER_BULK == ep_desc->bmAttributes.xfer, 0);
+    TU_ASSERT(tuh_edpt_open(dev_addr, ep_desc), 0);
 
     if (TUSB_DIR_IN == tu_edpt_dir(ep_desc->bEndpointAddress)) {
       p_msc->ep_in = ep_desc->bEndpointAddress;
@@ -407,7 +406,7 @@ bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const* de
 
   p_msc->itf_num = desc_itf->bInterfaceNumber;
 
-  return true;
+  return drv_len;
 }
 
 bool msch_set_config(uint8_t daddr, uint8_t itf_num) {
diff --git a/src/class/msc/msc_host.h b/src/class/msc/msc_host.h
index b5fd55547..5dc7c0b94 100644
--- a/src/class/msc/msc_host.h
+++ b/src/class/msc/msc_host.h
@@ -30,7 +30,7 @@
 #include "msc.h"
 
 #ifdef __cplusplus
- extern "C" {
+extern "C" {
 #endif
 
 //--------------------------------------------------------------------+
@@ -38,17 +38,17 @@
 //--------------------------------------------------------------------+
 
 #ifndef CFG_TUH_MSC_MAXLUN
-#define CFG_TUH_MSC_MAXLUN  4
+  #define CFG_TUH_MSC_MAXLUN 4
 #endif
 
 typedef struct {
-  msc_cbw_t const* cbw; // SCSI command
-  msc_csw_t const* csw; // SCSI status
-  void* scsi_data;      // SCSI Data
-  uintptr_t user_arg;   // user argument
-}tuh_msc_complete_data_t;
+  const msc_cbw_t *cbw;       // SCSI command
+  const msc_csw_t *csw;       // SCSI status
+  void            *scsi_data; // SCSI Data
+  uintptr_t        user_arg;  // user argument
+} tuh_msc_complete_data_t;
 
-typedef bool (*tuh_msc_complete_cb_t)(uint8_t dev_addr, tuh_msc_complete_data_t const* cb_data);
+typedef bool (*tuh_msc_complete_cb_t)(uint8_t dev_addr, const tuh_msc_complete_data_t *cb_data);
 
 //--------------------------------------------------------------------+
 // Application API
@@ -74,12 +74,14 @@ uint32_t tuh_msc_get_block_size(uint8_t dev_addr, uint8_t lun);
 // Complete callback is invoked when SCSI op is complete.
 // return true if success, false if there is already pending operation.
 // NOTE: buffer must be accessible by USB/DMA controller, aligned correctly and multiple of cache line if enabled
-bool tuh_msc_scsi_command(uint8_t daddr, msc_cbw_t const* cbw, void* data, tuh_msc_complete_cb_t complete_cb, uintptr_t arg);
+bool tuh_msc_scsi_command(uint8_t daddr, const msc_cbw_t *cbw, void *data, tuh_msc_complete_cb_t complete_cb,
+                          uintptr_t arg);
 
 // Perform SCSI Inquiry command
 // Complete callback is invoked when SCSI op is complete.
 // NOTE: response must be accessible by USB/DMA controller, aligned correctly and multiple of cache line if enabled
-bool tuh_msc_inquiry(uint8_t dev_addr, uint8_t lun, scsi_inquiry_resp_t* response, tuh_msc_complete_cb_t complete_cb, uintptr_t arg);
+bool tuh_msc_inquiry(uint8_t dev_addr, uint8_t lun, scsi_inquiry_resp_t *response, tuh_msc_complete_cb_t complete_cb,
+                     uintptr_t arg);
 
 // Perform SCSI Test Unit Ready command
 // Complete callback is invoked when SCSI op is complete.
@@ -88,23 +90,27 @@ bool tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, tuh_msc_complete_cb_
 // Perform SCSI Request Sense 10 command
 // Complete callback is invoked when SCSI op is complete.
 // NOTE: response must be accessible by USB/DMA controller, aligned correctly and multiple of cache line if enabled
-bool tuh_msc_request_sense(uint8_t dev_addr, uint8_t lun, void *response, tuh_msc_complete_cb_t complete_cb, uintptr_t arg);
+bool tuh_msc_request_sense(uint8_t dev_addr, uint8_t lun, void *response, tuh_msc_complete_cb_t complete_cb,
+                           uintptr_t arg);
 
 // Perform SCSI Read 10 command. Read n blocks starting from LBA to buffer
 // Complete callback is invoked when SCSI op is complete.
 // NOTE: buffer must be accessible by USB/DMA controller, aligned correctly and multiple of cache line if enabled
-bool tuh_msc_read10(uint8_t dev_addr, uint8_t lun, void * buffer, uint32_t lba, uint16_t block_count, tuh_msc_complete_cb_t complete_cb, uintptr_t arg);
+bool tuh_msc_read10(uint8_t dev_addr, uint8_t lun, void *buffer, uint32_t lba, uint16_t block_count,
+                    tuh_msc_complete_cb_t complete_cb, uintptr_t arg);
 
 // Perform SCSI Write 10 command. Write n blocks starting from LBA to device
 // Complete callback is invoked when SCSI op is complete.
 // NOTE: buffer must be accessible by USB/DMA controller, aligned correctly and multiple of cache line if enabled
-bool tuh_msc_write10(uint8_t dev_addr, uint8_t lun, void const * buffer, uint32_t lba, uint16_t block_count, tuh_msc_complete_cb_t complete_cb, uintptr_t arg);
+bool tuh_msc_write10(uint8_t dev_addr, uint8_t lun, const void *buffer, uint32_t lba, uint16_t block_count,
+                     tuh_msc_complete_cb_t complete_cb, uintptr_t arg);
 
 // Perform SCSI Read Capacity 10 command
 // Complete callback is invoked when SCSI op is complete.
 // Note: during enumeration, host stack already carried out this request. Application can retrieve capacity by
 // simply call tuh_msc_get_block_count() and tuh_msc_get_block_size()
-bool tuh_msc_read_capacity(uint8_t dev_addr, uint8_t lun, scsi_read_capacity10_resp_t* response, tuh_msc_complete_cb_t complete_cb, uintptr_t arg);
+bool tuh_msc_read_capacity(uint8_t dev_addr, uint8_t lun, scsi_read_capacity10_resp_t *response,
+                           tuh_msc_complete_cb_t complete_cb, uintptr_t arg);
 
 //------------- Application Callback -------------//
 
@@ -118,15 +124,15 @@ void tuh_msc_umount_cb(uint8_t dev_addr);
 // Internal Class Driver API
 //--------------------------------------------------------------------+
 
-bool msch_init       (void);
-bool msch_deinit     (void);
-bool msch_open       (uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t max_len);
-bool msch_set_config (uint8_t daddr, uint8_t itf_num);
-void msch_close      (uint8_t dev_addr);
-bool msch_xfer_cb    (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
+bool     msch_init(void);
+bool     msch_deinit(void);
+uint16_t msch_open(uint8_t rhport, uint8_t dev_addr, const tusb_desc_interface_t *desc_itf, uint16_t max_len);
+bool     msch_set_config(uint8_t daddr, uint8_t itf_num);
+void     msch_close(uint8_t dev_addr);
+bool     msch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
 
 #ifdef __cplusplus
- }
+}
 #endif
 
 #endif
diff --git a/src/common/tusb_common.h b/src/common/tusb_common.h
index b53fa5c02..d74760608 100644
--- a/src/common/tusb_common.h
+++ b/src/common/tusb_common.h
@@ -388,10 +388,7 @@ TU_ATTR_ALWAYS_INLINE static inline uint8_t tu_desc_subtype(void const* desc) {
 }
 
 TU_ATTR_ALWAYS_INLINE static inline bool tu_desc_in_bounds(const uint8_t *p_desc, const uint8_t *desc_end) {
-  if (p_desc >= desc_end) {
-    return false;
-  }
-  return tu_desc_next(p_desc) <= desc_end;
+  return p_desc < desc_end && tu_desc_next(p_desc) <= desc_end;
 }
 
 // find descriptor that match byte1 (type)
diff --git a/src/common/tusb_private.h b/src/common/tusb_private.h
index a94470039..586250163 100644
--- a/src/common/tusb_private.h
+++ b/src/common/tusb_private.h
@@ -99,9 +99,6 @@ TU_ATTR_ALWAYS_INLINE static inline bool tu_edpt_validate(tusb_desc_endpoint_t c
 bool tu_bind_driver_to_ep_itf(uint8_t driver_id, uint8_t ep2drv[][2], uint8_t itf2drv[], uint8_t itf_max,
                               const uint8_t *p_desc, uint16_t desc_len);
 
-// Calculate total length of n interfaces (depending on IAD)
-uint16_t tu_desc_get_interface_total_len(tusb_desc_interface_t const* desc_itf, uint8_t itf_count, uint16_t max_len);
-
 // Claim an endpoint with provided mutex
 bool tu_edpt_claim(tu_edpt_state_t* ep_state, osal_mutex_t mutex);
 
diff --git a/src/host/hub.c b/src/host/hub.c
index 0b172a596..3baaff30f 100644
--- a/src/host/hub.c
+++ b/src/host/hub.c
@@ -218,27 +218,27 @@ bool hub_deinit(void) {
   return true;
 }
 
-bool hub_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) {
+uint16_t hub_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) {
   (void) rhport;
 
   TU_VERIFY(TUSB_CLASS_HUB == itf_desc->bInterfaceClass &&
-            0              == itf_desc->bInterfaceSubClass);
-  TU_VERIFY(itf_desc->bInterfaceProtocol <= 1); // not support multiple TT yet
+            0              == itf_desc->bInterfaceSubClass, 0);
+  TU_VERIFY(itf_desc->bInterfaceProtocol <= 1, 0); // not support multiple TT yet
 
-  uint16_t const drv_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_desc_endpoint_t);
-  TU_ASSERT(drv_len <= max_len);
+  const uint16_t drv_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_desc_endpoint_t);
+  TU_ASSERT(drv_len <= max_len, 0);
 
   // Interrupt Status endpoint
   tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc);
   TU_ASSERT(TUSB_DESC_ENDPOINT  == desc_ep->bDescriptorType &&
             TUSB_XFER_INTERRUPT == desc_ep->bmAttributes.xfer, 0);
-  TU_ASSERT(tuh_edpt_open(dev_addr, desc_ep));
+  TU_ASSERT(tuh_edpt_open(dev_addr, desc_ep), 0);
 
   hub_interface_t* p_hub = get_hub_itf(dev_addr);
   p_hub->itf_num = itf_desc->bInterfaceNumber;
   p_hub->ep_in   = desc_ep->bEndpointAddress;
 
-  return true;
+  return drv_len;
 }
 
 void hub_close(uint8_t dev_addr) {
diff --git a/src/host/hub.h b/src/host/hub.h
index 3587f0ee3..d9750f8a5 100644
--- a/src/host/hub.h
+++ b/src/host/hub.h
@@ -206,12 +206,12 @@ bool hub_clear_feature(uint8_t hub_addr, uint8_t feature, tuh_xfer_cb_t complete
 //--------------------------------------------------------------------+
 // Internal Class Driver API
 //--------------------------------------------------------------------+
-bool hub_init       (void);
-bool hub_deinit     (void);
-bool hub_open       (uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len);
-bool hub_set_config (uint8_t daddr, uint8_t itf_num);
-bool hub_xfer_cb    (uint8_t daddr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
-void hub_close      (uint8_t dev_addr);
+bool     hub_init(void);
+bool     hub_deinit(void);
+uint16_t hub_open(uint8_t rhport, uint8_t dev_addr, const tusb_desc_interface_t *itf_desc, uint16_t max_len);
+bool     hub_set_config(uint8_t daddr, uint8_t itf_num);
+bool     hub_xfer_cb(uint8_t daddr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
+void     hub_close(uint8_t dev_addr);
 
 #ifdef __cplusplus
  }
diff --git a/src/host/usbh.c b/src/host/usbh.c
index 734024771..7c4910af1 100644
--- a/src/host/usbh.c
+++ b/src/host/usbh.c
@@ -1815,85 +1815,51 @@ static bool enum_parse_configuration_desc(uint8_t dev_addr, tusb_desc_configurat
   TU_LOG_USBH("Parsing Configuration descriptor (wTotalLength = %u)\r\n", total_len);
 
   // parse each interfaces
-  while( p_desc < desc_end ) {
-    if ( 0 == tu_desc_len(p_desc) ) {
+  while (tu_desc_in_bounds(p_desc, desc_end)) {
+    if (0 == tu_desc_len(p_desc)) {
       // A zero length descriptor indicates that the device is off spec (e.g. wrong wTotalLength).
       // Parsed interfaces should still be usable
       TU_LOG_USBH("Encountered a zero-length descriptor after %" PRIu32 " bytes\r\n", (uint32_t)p_desc - (uint32_t)desc_cfg);
       break;
     }
 
-    uint8_t assoc_itf_count = 1;
-
-    // Class will always starts with Interface Association (if any) and then Interface descriptor
-    if ( TUSB_DESC_INTERFACE_ASSOCIATION == tu_desc_type(p_desc) ) {
-      tusb_desc_interface_assoc_t const * desc_iad = (tusb_desc_interface_assoc_t const *) p_desc;
-      assoc_itf_count = desc_iad->bInterfaceCount;
-
-      p_desc = tu_desc_next(p_desc); // next to Interface
-
-      // IAD's first interface number and class should match with opened interface
-      //TU_ASSERT(desc_iad->bFirstInterface == desc_itf->bInterfaceNumber &&
-      //          desc_iad->bFunctionClass  == desc_itf->bInterfaceClass);
-    }
-
-    TU_ASSERT( TUSB_DESC_INTERFACE == tu_desc_type(p_desc) );
-    tusb_desc_interface_t const* desc_itf = (tusb_desc_interface_t const*) p_desc;
-
-#if CFG_TUH_MIDI
-    // MIDI has 2 interfaces (Audio Control v1 + MIDIStreaming) but does not have IAD
-    // manually force associated count = 2
-    if (1                              == assoc_itf_count              &&
-        TUSB_CLASS_AUDIO               == desc_itf->bInterfaceClass    &&
-        AUDIO_SUBCLASS_CONTROL         == desc_itf->bInterfaceSubClass &&
-        AUDIO_FUNC_PROTOCOL_CODE_UNDEF == desc_itf->bInterfaceProtocol) {
-      assoc_itf_count = 2;
+    // skip if not interface
+    if (TUSB_DESC_INTERFACE != tu_desc_type(p_desc)) {
+      p_desc = tu_desc_next(p_desc);
+      continue;
     }
-#endif
+    const tusb_desc_interface_t *desc_itf = (const tusb_desc_interface_t *)p_desc;
 
-#if CFG_TUH_CDC
-    // Some legacy CDC device does not use IAD but rather use device class as hint to combine 2 interfaces
-    // manually force associated count = 2
-    if (1                                        == assoc_itf_count              &&
-        TUSB_CLASS_CDC                           == desc_itf->bInterfaceClass    &&
-        CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == desc_itf->bInterfaceSubClass) {
-      assoc_itf_count = 2;
-    }
-#endif
-
-    uint16_t const drv_len = tu_desc_get_interface_total_len(desc_itf, assoc_itf_count, (uint16_t) (desc_end-p_desc));
-    TU_ASSERT(drv_len >= sizeof(tusb_desc_interface_t));
+    // uint16_t const drv_len = tu_desc_get_interface_total_len(desc_itf, assoc_itf_count, (uint16_t)
+    // (desc_end-p_desc)); TU_ASSERT(drv_len >= sizeof(tusb_desc_interface_t));
 
     // Find driver for this interface
-    for (uint8_t drv_id = 0; drv_id < TOTAL_DRIVER_COUNT; drv_id++) {
-      usbh_class_driver_t const * driver = get_driver(drv_id);
-      if (driver && driver->open(dev->bus_info.rhport, dev_addr, desc_itf, drv_len) ) {
-        // open successfully
-        TU_LOG_USBH("  %s opened\r\n", driver->name);
-
-        // bind (associated) interfaces to found driver
-        for(uint8_t i=0; i<assoc_itf_count; i++) {
-          uint8_t const itf_num = desc_itf->bInterfaceNumber+i;
-
-          // Interface number must not be used already
-          TU_ASSERT( TUSB_INDEX_INVALID_8 == dev->itf2drv[itf_num] );
-          dev->itf2drv[itf_num] = drv_id;
+    const uint16_t remaining_len = (uint16_t)(desc_end - p_desc);
+    uint8_t        drv_id;
+    for (drv_id = 0; drv_id < TOTAL_DRIVER_COUNT; drv_id++) {
+      const usbh_class_driver_t *driver = get_driver(drv_id);
+      if (driver) {
+        const uint16_t drv_len = driver->open(dev->bus_info.rhport, dev_addr, desc_itf, remaining_len);
+        if ((sizeof(tusb_desc_interface_t) <= drv_len) && (drv_len <= remaining_len)) {
+          // open successfully
+          TU_LOG_USBH("  %s opened\r\n", driver->name);
+
+          // bind found driver to all interfaces and endpoint within drv_len
+          tu_bind_driver_to_ep_itf(drv_id, dev->ep2drv, dev->itf2drv, CFG_TUH_INTERFACE_MAX, p_desc, drv_len);
+
+          p_desc += drv_len; // next Interface
+          break;             // exit driver find loop
         }
-
-        // bind all endpoints to found driver
-        tu_edpt_bind_driver(dev->ep2drv, desc_itf, drv_len, drv_id);
-
-        break; // exit driver find loop
-      }
-
-      if (drv_id == TOTAL_DRIVER_COUNT - 1) {
-        TU_LOG_USBH("[%u:%u] Interface %u: class = %u subclass = %u protocol = %u is not supported\r\n",
-               dev->bus_info.rhport, dev_addr, desc_itf->bInterfaceNumber, desc_itf->bInterfaceClass, desc_itf->bInterfaceSubClass, desc_itf->bInterfaceProtocol);
       }
     }
 
-    // next Interface or IAD descriptor
-    p_desc += drv_len;
+    // no driver found
+    if (drv_id == TOTAL_DRIVER_COUNT) {
+      p_desc = tu_desc_next(p_desc); // skip this interface
+      TU_LOG_USBH("[%u:%u] Interface %u: class = %u subclass = %u protocol = %u is not supported\r\n",
+                  dev->bus_info.rhport, dev_addr, desc_itf->bInterfaceNumber, desc_itf->bInterfaceClass,
+                  desc_itf->bInterfaceSubClass, desc_itf->bInterfaceProtocol);
+    }
   }
 
   return true;
diff --git a/src/host/usbh_pvt.h b/src/host/usbh_pvt.h
index d722bb7e8..57428e3c5 100644
--- a/src/host/usbh_pvt.h
+++ b/src/host/usbh_pvt.h
@@ -44,16 +44,15 @@
 //--------------------------------------------------------------------+
 // Class Driver API
 //--------------------------------------------------------------------+
-
 typedef struct {
-  char const* name;
-  bool (* const init       )(void);
-  bool (* const deinit     )(void);
-  bool (* const open       )(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
-  bool (* const set_config )(uint8_t dev_addr, uint8_t itf_num);
-  bool (* const xfer_cb    )(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
-  void (* const close      )(uint8_t dev_addr);
-} usbh_class_driver_t;
+   const char *name;
+   bool (*const init)(void);
+   bool (*const deinit)(void);
+   uint16_t (*const open)(uint8_t rhport, uint8_t dev_addr, const tusb_desc_interface_t *itf_desc, uint16_t max_len);
+   bool (*const set_config)(uint8_t dev_addr, uint8_t itf_num);
+   bool (*const xfer_cb)(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
+   void (*const close)(uint8_t dev_addr);
+ } usbh_class_driver_t;
 
 // Invoked when initializing host stack to get additional class drivers.
 // Can be implemented by application to extend/overwrite class driver support.
diff --git a/src/tusb.c b/src/tusb.c
index de6ec0211..c62052c97 100644
--- a/src/tusb.c
+++ b/src/tusb.c
@@ -310,37 +310,6 @@ bool tu_bind_driver_to_ep_itf(uint8_t driver_id, uint8_t ep2drv[][2], uint8_t it
   return true;
 }
 
-uint16_t tu_desc_get_interface_total_len(tusb_desc_interface_t const* desc_itf, uint8_t itf_count, uint16_t max_len) {
-  uint8_t const* p_desc = (uint8_t const*) desc_itf;
-  uint16_t len = 0;
-
-  while ((itf_count--) > 0) {
-    // Next on interface desc
-    len += tu_desc_len(desc_itf);
-    p_desc = tu_desc_next(p_desc);
-
-    while (len < max_len) {
-      if (tu_desc_len(p_desc) == 0) {
-        // Escape infinite loop
-        break;
-      }
-      // return on IAD regardless of itf count
-      if (tu_desc_type(p_desc) == TUSB_DESC_INTERFACE_ASSOCIATION) {
-        return len;
-      }
-      if ((tu_desc_type(p_desc) == TUSB_DESC_INTERFACE) &&
-          ((tusb_desc_interface_t const*) p_desc)->bAlternateSetting == 0) {
-        break;
-      }
-
-      len += tu_desc_len(p_desc);
-      p_desc = tu_desc_next(p_desc);
-    }
-  }
-
-  return len;
-}
-
 //--------------------------------------------------------------------+
 // Endpoint Stream Helper for both Host and Device stack
 //--------------------------------------------------------------------+
-- 
cgit v1.3.1


From 28e14abdc7b160ff5cb57d08f42493d5a30002c8 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Tue, 17 Mar 2026 15:50:12 +0700
Subject: CFG_TUH_HID_SET_PROTOCOL_ON_ENUM option to skip set_protocol on enum,
 default is 1

---
 src/class/hid/hid_host.c | 24 +++++++++++++-----------
 src/class/hid/hid_host.h | 11 ++++++-----
 2 files changed, 19 insertions(+), 16 deletions(-)

(limited to 'src/class/hid')

diff --git a/src/class/hid/hid_host.c b/src/class/hid/hid_host.c
index 98f9bf80b..b1d487c75 100644
--- a/src/class/hid/hid_host.c
+++ b/src/class/hid/hid_host.c
@@ -240,7 +240,7 @@ void tuh_hid_set_default_protocol(uint8_t protocol) {
   _hidh_default_protocol = protocol;
 }
 
-static bool _hidh_set_protocol(uint8_t daddr, uint8_t itf_num, uint8_t protocol,
+static bool hidh_set_protocol(uint8_t daddr, uint8_t itf_num, uint8_t protocol,
                                tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
   TU_LOG_DRV("HID Set Protocol = %d\r\n", protocol);
 
@@ -272,7 +272,7 @@ bool tuh_hid_set_protocol(uint8_t daddr, uint8_t idx, uint8_t protocol) {
   hidh_interface_t* p_hid = get_hid_itf(daddr, idx);
   TU_VERIFY(p_hid && p_hid->itf_protocol != HID_ITF_PROTOCOL_NONE);
 
-  return _hidh_set_protocol(daddr, p_hid->itf_num, protocol, set_protocol_complete, 0);
+  return hidh_set_protocol(daddr, p_hid->itf_num, protocol, set_protocol_complete, 0);
 }
 
 static void get_report_complete(tuh_xfer_t* xfer) {
@@ -359,7 +359,7 @@ bool tuh_hid_set_report(uint8_t daddr, uint8_t idx, uint8_t report_id, uint8_t r
   return tuh_control_xfer(&xfer);
 }
 
-static bool _hidh_set_idle(uint8_t daddr, uint8_t itf_num, uint16_t idle_rate,
+static bool hidh_set_idle(uint8_t daddr, uint8_t itf_num, uint16_t idle_rate,
                            tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
   // SET IDLE request, device can stall if not support this request
   TU_LOG_DRV("HID Set Idle \r\n");
@@ -623,25 +623,27 @@ static void process_set_config(tuh_xfer_t* xfer) {
 
   switch (state) {
     case CONFG_SET_IDLE: {
-      // Idle rate = 0 mean only report when there is changes
+      // Idle rate = 0 mean only report when there are changes
       const uint16_t idle_rate = 0;
       const uintptr_t next_state = (p_hid->itf_protocol != HID_ITF_PROTOCOL_NONE)
                                    ? CONFIG_SET_PROTOCOL : CONFIG_GET_REPORT_DESC;
-      _hidh_set_idle(daddr, itf_num, idle_rate, process_set_config, next_state);
+      hidh_set_idle(daddr, itf_num, idle_rate, process_set_config, next_state);
       break;
     }
 
     case CONFIG_SET_PROTOCOL:
-      _hidh_set_protocol(daddr, p_hid->itf_num, _hidh_default_protocol, process_set_config, CONFIG_GET_REPORT_DESC);
+      #if CFG_TUH_HID_SET_PROTOCOL_ON_ENUM
+      hidh_set_protocol(daddr, p_hid->itf_num, _hidh_default_protocol, process_set_config, CONFIG_GET_REPORT_DESC);
       break;
+      #else
+      TU_ATTR_FALLTHROUGH;
+      #endif
 
     case CONFIG_GET_REPORT_DESC:
       // Get Report Descriptor if possible
-      // using usbh enumeration buffer since report descriptor can be very long
+      // using usbh enumeration buffer since the report descriptor can be very long
       if (p_hid->report_desc_len > CFG_TUH_ENUMERATION_BUFSIZE) {
         TU_LOG_DRV("HID Skip Report Descriptor since it is too large %u bytes\r\n", p_hid->report_desc_len);
-
-        // Driver is mounted without report descriptor
         config_driver_mount_complete(daddr, idx, NULL, 0);
       } else {
         tuh_descriptor_get_hid_report(daddr, itf_num, p_hid->report_desc_type, 0,
@@ -651,8 +653,8 @@ static void process_set_config(tuh_xfer_t* xfer) {
       break;
 
     case CONFIG_COMPLETE: {
-      uint8_t const* desc_report = usbh_get_enum_buf();
-      uint16_t const desc_len = tu_le16toh(xfer->setup->wLength);
+      const uint8_t *desc_report = usbh_get_enum_buf();
+      const uint16_t desc_len    = tu_le16toh(xfer->setup->wLength);
 
       config_driver_mount_complete(daddr, idx, desc_report, desc_len);
       break;
diff --git a/src/class/hid/hid_host.h b/src/class/hid/hid_host.h
index d7a415485..922848fc2 100644
--- a/src/class/hid/hid_host.h
+++ b/src/class/hid/hid_host.h
@@ -36,7 +36,6 @@ extern "C" {
 //--------------------------------------------------------------------+
 // Class Driver Configuration
 //--------------------------------------------------------------------+
-
 // TODO Highspeed interrupt can be up to 512 bytes
 #ifndef CFG_TUH_HID_EPIN_BUFSIZE
   #define CFG_TUH_HID_EPIN_BUFSIZE 64
@@ -46,7 +45,13 @@ extern "C" {
   #define CFG_TUH_HID_EPOUT_BUFSIZE 64
 #endif
 
+#ifndef CFG_TUH_HID_SET_PROTOCOL_ON_ENUM
+  #define CFG_TUH_HID_SET_PROTOCOL_ON_ENUM 1
+#endif
 
+//--------------------------------------------------------------------+
+// Interface API
+//--------------------------------------------------------------------+
 typedef struct {
   uint8_t  report_id;
   uint8_t  usage;
@@ -57,10 +62,6 @@ typedef struct {
   //  uint8_t out_len;     // length of OUT report
 } tuh_hid_report_info_t;
 
-//--------------------------------------------------------------------+
-// Interface API
-//--------------------------------------------------------------------+
-
 // Get the total number of mounted HID interfaces of a device
 uint8_t tuh_hid_itf_get_count(uint8_t dev_addr);
 
-- 
cgit v1.3.1


From a46c863cc0adae61b28f00ad82a4ca6f53052a81 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Wed, 18 Mar 2026 12:57:56 +0700
Subject: Update HID host to correctly handle protocol mode initialization and
 CONFIG_GET_REPORT_DESC response

---
 src/class/hid/hid_host.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'src/class/hid')

diff --git a/src/class/hid/hid_host.c b/src/class/hid/hid_host.c
index b1d487c75..7935b84d3 100644
--- a/src/class/hid/hid_host.c
+++ b/src/class/hid/hid_host.c
@@ -566,8 +566,8 @@ uint16_t hidh_open(uint8_t rhport, uint8_t daddr, const tusb_desc_interface_t *d
   // Use offsetof to avoid pointer to the odd/misaligned address
   p_hid->report_desc_len = tu_unaligned_read16((uint8_t const*)desc_hid + offsetof(tusb_hid_descriptor_hid_t, wReportLength));
 
-  // Per HID Specs: default is Report protocol, though we will force Boot protocol when set_config
-  p_hid->protocol_mode = _hidh_default_protocol;
+  // Per HID Specs: default is Report protocol
+  p_hid->protocol_mode = HID_PROTOCOL_REPORT;
   if (HID_SUBCLASS_BOOT == desc_itf->bInterfaceSubClass) {
     p_hid->itf_protocol = desc_itf->bInterfaceProtocol;
   }
@@ -632,14 +632,17 @@ static void process_set_config(tuh_xfer_t* xfer) {
     }
 
     case CONFIG_SET_PROTOCOL:
-      #if CFG_TUH_HID_SET_PROTOCOL_ON_ENUM
+  #if CFG_TUH_HID_SET_PROTOCOL_ON_ENUM
       hidh_set_protocol(daddr, p_hid->itf_num, _hidh_default_protocol, process_set_config, CONFIG_GET_REPORT_DESC);
       break;
-      #else
+  #else
       TU_ATTR_FALLTHROUGH;
-      #endif
+  #endif
 
     case CONFIG_GET_REPORT_DESC:
+      if (xfer->setup->bRequest == HID_REQ_CONTROL_SET_PROTOCOL && xfer->result == XFER_RESULT_SUCCESS) {
+        p_hid->protocol_mode = (uint8_t) tu_le16toh(xfer->setup->wValue);
+      }
       // Get Report Descriptor if possible
       // using usbh enumeration buffer since the report descriptor can be very long
       if (p_hid->report_desc_len > CFG_TUH_ENUMERATION_BUFSIZE) {
-- 
cgit v1.3.1


From 77258a35ef2dcddef4f62bc51d31b9beef3b46d2 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Mon, 4 May 2026 19:42:28 +0700
Subject: add default implementation for tuh_hid_report_received_cb()

---
 src/class/hid/hid_host.c | 33 ++++++++++-----------------------
 src/class/hid/hid_host.h |  2 +-
 2 files changed, 11 insertions(+), 24 deletions(-)

(limited to 'src/class/hid')

diff --git a/src/class/hid/hid_host.c b/src/class/hid/hid_host.c
index 7935b84d3..fc7704258 100644
--- a/src/class/hid/hid_host.c
+++ b/src/class/hid/hid_host.c
@@ -74,44 +74,31 @@ static uint8_t _hidh_default_protocol = HID_PROTOCOL_BOOT;
 // Weak stubs: invoked if no strong implementation is available
 //--------------------------------------------------------------------+
 TU_ATTR_WEAK void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t idx, uint8_t const* report_desc, uint16_t desc_len) {
-  (void) dev_addr;
-  (void) idx;
-  (void) report_desc;
-  (void) desc_len;
+  (void) dev_addr; (void) idx; (void) report_desc; (void) desc_len;
 }
 
 TU_ATTR_WEAK void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t idx) {
-  (void) dev_addr;
-  (void) idx;
+  (void) dev_addr; (void) idx;
+}
+
+TU_ATTR_WEAK void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t idx, const uint8_t *report, uint16_t len) {
+  (void) dev_addr; (void) idx; (void) report; (void) len;
 }
 
 TU_ATTR_WEAK void tuh_hid_report_sent_cb(uint8_t dev_addr, uint8_t idx, uint8_t const* report, uint16_t len) {
-  (void) dev_addr;
-  (void) idx;
-  (void) report;
-  (void) len;
+  (void) dev_addr; (void) idx; (void) report; (void) len;
 }
 
 TU_ATTR_WEAK void tuh_hid_get_report_complete_cb(uint8_t dev_addr, uint8_t idx, uint8_t report_id, uint8_t report_type, uint16_t len) {
-  (void) dev_addr;
-  (void) idx;
-  (void) report_id;
-  (void) report_type;
-  (void) len;
+  (void) dev_addr; (void) idx; (void) report_id; (void) report_type; (void) len;
 }
 
 TU_ATTR_WEAK void tuh_hid_set_report_complete_cb(uint8_t dev_addr, uint8_t idx, uint8_t report_id, uint8_t report_type, uint16_t len) {
-  (void) dev_addr;
-  (void) idx;
-  (void) report_id;
-  (void) report_type;
-  (void) len;
+  (void) dev_addr; (void) idx; (void) report_id; (void) report_type; (void) len;
 }
 
 TU_ATTR_WEAK void tuh_hid_set_protocol_complete_cb(uint8_t dev_addr, uint8_t idx, uint8_t protocol) {
-  (void) dev_addr;
-  (void) idx;
-  (void) protocol;
+  (void) dev_addr; (void) idx; (void) protocol;
 }
 
 //--------------------------------------------------------------------+
diff --git a/src/class/hid/hid_host.h b/src/class/hid/hid_host.h
index 922848fc2..95ba859ad 100644
--- a/src/class/hid/hid_host.h
+++ b/src/class/hid/hid_host.h
@@ -140,7 +140,7 @@ bool tuh_hid_send_ready(uint8_t dev_addr, uint8_t idx);
 bool tuh_hid_send_report(uint8_t dev_addr, uint8_t idx, uint8_t report_id, const void *report, uint16_t len);
 
 //--------------------------------------------------------------------+
-// Callbacks (Weak is optional)
+// Callbacks (optional)
 //--------------------------------------------------------------------+
 
 // Invoked when device with hid interface is mounted
-- 
cgit v1.3.1