From d92b810df7670aae0e195fd02abef5014470c2f7 Mon Sep 17 00:00:00 2001 From: hathach 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 --- test/fuzz/device/net/src/tusb_config.h | 6 +++--- test/fuzz/device/net/src/usb_descriptors.cc | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) (limited to 'test/fuzz/device/net/src') 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 -- cgit v1.3.1 From b73003745fb18818574baa89367fd618c36ad8b0 Mon Sep 17 00:00:00 2001 From: hathach Date: Thu, 11 Dec 2025 16:22:51 +0700 Subject: move host hacked bulk mps out of tu_edpt_validate() --- src/class/cdc/cdc_host.c | 14 ++++++++++---- src/common/tusb_private.h | 6 ++---- src/device/usbd.c | 4 ++-- src/host/usbh.c | 9 ++++++++- src/tusb.c | 17 ++++------------- test/fuzz/device/cdc/src/fuzz.cc | 6 +++++- test/fuzz/device/msc/src/fuzz.cc | 7 +++++-- test/fuzz/device/net/src/fuzz.cc | 6 +++++- 8 files changed, 41 insertions(+), 28 deletions(-) (limited to 'test/fuzz/device/net/src') diff --git a/src/class/cdc/cdc_host.c b/src/class/cdc/cdc_host.c index ff1a8338d..0655ea1a7 100644 --- a/src/class/cdc/cdc_host.c +++ b/src/class/cdc/cdc_host.c @@ -29,6 +29,8 @@ #include "tusb_option.h" +#include + #if (CFG_TUH_ENABLED && CFG_TUH_CDC) #include "host/usbh.h" @@ -1190,7 +1192,8 @@ static uint16_t ftdi_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, TU_VERIFY(itf_desc->bInterfaceSubClass == 0xff && itf_desc->bInterfaceProtocol == 0xff && itf_desc->bNumEndpoints == 2, 0); - const uint16_t drv_len = sizeof(tusb_desc_interface_t) + itf_desc->bNumEndpoints * sizeof(tusb_desc_endpoint_t); + const uint16_t drv_len = + (uint16_t)(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); @@ -1581,7 +1584,8 @@ enum { 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, 0); - const uint16_t drv_len = sizeof(tusb_desc_interface_t) + itf_desc->bNumEndpoints * sizeof(tusb_desc_endpoint_t); + const uint16_t drv_len = + (uint16_t)(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); @@ -1756,7 +1760,8 @@ enum { 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, 0); - const uint16_t drv_len = sizeof(tusb_desc_interface_t) + itf_desc->bNumEndpoints * sizeof(tusb_desc_endpoint_t); + const uint16_t drv_len = + (uint16_t)(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); @@ -2092,7 +2097,8 @@ enum { 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, 0); - const uint16_t drv_len = sizeof(tusb_desc_interface_t) + itf_desc->bNumEndpoints * sizeof(tusb_desc_endpoint_t); + const uint16_t drv_len = + (uint16_t)(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); diff --git a/src/common/tusb_private.h b/src/common/tusb_private.h index 586250163..10e12c2af 100644 --- a/src/common/tusb_private.h +++ b/src/common/tusb_private.h @@ -84,13 +84,11 @@ typedef struct { // Check if endpoint descriptor is valid per USB specs if debug is enabled #if CFG_TUSB_DEBUG -bool tu_edpt_validate(tusb_desc_endpoint_t const * desc_ep, tusb_speed_t speed, bool is_host); +bool tu_edpt_validate(const tusb_desc_endpoint_t *desc_ep, tusb_speed_t speed); #else -TU_ATTR_ALWAYS_INLINE static inline bool tu_edpt_validate(tusb_desc_endpoint_t const *desc_ep, tusb_speed_t speed, - bool is_host) { +TU_ATTR_ALWAYS_INLINE static inline bool tu_edpt_validate(const tusb_desc_endpoint_t *desc_ep, tusb_speed_t speed) { (void)desc_ep; (void)speed; - (void)is_host; return true; } #endif diff --git a/src/device/usbd.c b/src/device/usbd.c index 6fd88bf42..4cbba1240 100644 --- a/src/device/usbd.c +++ b/src/device/usbd.c @@ -1331,7 +1331,7 @@ bool usbd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const* desc_ep) { rhport = _usbd_rhport; TU_ASSERT(tu_edpt_number(desc_ep->bEndpointAddress) < CFG_TUD_ENDPPOINT_MAX); - TU_ASSERT(tu_edpt_validate(desc_ep, (tusb_speed_t) _usbd_dev.speed, false)); + TU_ASSERT(tu_edpt_validate(desc_ep, (tusb_speed_t)_usbd_dev.speed)); return dcd_edpt_open(rhport, desc_ep); } @@ -1541,7 +1541,7 @@ bool usbd_edpt_iso_activate(uint8_t rhport, tusb_desc_endpoint_t const* desc_ep) uint8_t const dir = tu_edpt_dir(desc_ep->bEndpointAddress); TU_ASSERT(epnum < CFG_TUD_ENDPPOINT_MAX); - TU_ASSERT(tu_edpt_validate(desc_ep, (tusb_speed_t) _usbd_dev.speed, false)); + TU_ASSERT(tu_edpt_validate(desc_ep, (tusb_speed_t)_usbd_dev.speed)); _usbd_dev.ep_status[epnum][dir].stalled = 0; _usbd_dev.ep_status[epnum][dir].busy = 0; diff --git a/src/host/usbh.c b/src/host/usbh.c index 7c4910af1..5b14a15cb 100644 --- a/src/host/usbh.c +++ b/src/host/usbh.c @@ -1066,7 +1066,14 @@ static bool usbh_edpt_control_open(uint8_t dev_addr, uint8_t max_packet_size) { } bool tuh_edpt_open(uint8_t dev_addr, tusb_desc_endpoint_t const* desc_ep) { - TU_ASSERT(tu_edpt_validate(desc_ep, tuh_speed_get(dev_addr), true)); + // HACK: some device incorrectly always report 512 bulk regardless of link speed, overwrite descriptor to force 64 + if (desc_ep->bmAttributes.xfer == TUSB_XFER_BULK && tu_edpt_packet_size(desc_ep) > 64 && + tuh_speed_get(dev_addr) == TUSB_SPEED_FULL) { + TU_LOG1(" WARN: EP max packet size is 512 in fullspeed, force to 64\r\n"); + tusb_desc_endpoint_t *hacked_ep = (tusb_desc_endpoint_t *)(uintptr_t)desc_ep; + hacked_ep->wMaxPacketSize = tu_htole16(64); + } + TU_ASSERT(tu_edpt_validate(desc_ep, tuh_speed_get(dev_addr))); return hcd_edpt_open(usbh_get_rhport(dev_addr), dev_addr, desc_ep); } diff --git a/src/tusb.c b/src/tusb.c index c62052c97..f6ca3fabc 100644 --- a/src/tusb.c +++ b/src/tusb.c @@ -242,13 +242,13 @@ bool tu_edpt_release(tu_edpt_state_t* ep_state, osal_mutex_t mutex) { } #if CFG_TUSB_DEBUG -bool tu_edpt_validate(tusb_desc_endpoint_t const* desc_ep, tusb_speed_t speed, bool is_host) { - uint16_t const max_packet_size = tu_edpt_packet_size(desc_ep); +bool tu_edpt_validate(const tusb_desc_endpoint_t *desc_ep, tusb_speed_t speed) { + const uint16_t max_packet_size = tu_edpt_packet_size(desc_ep); TU_LOG2(" Open EP %02X with Size = %u\r\n", desc_ep->bEndpointAddress, max_packet_size); switch (desc_ep->bmAttributes.xfer) { case TUSB_XFER_ISOCHRONOUS: { - uint16_t const spec_size = (speed == TUSB_SPEED_HIGH ? 1024 : 1023); + const uint16_t spec_size = (speed == TUSB_SPEED_HIGH ? 1024 : 1023); TU_ASSERT(max_packet_size <= spec_size); break; } @@ -259,16 +259,7 @@ bool tu_edpt_validate(tusb_desc_endpoint_t const* desc_ep, tusb_speed_t speed, b TU_ASSERT(max_packet_size == 512); } else { // Bulk fullspeed can only be 8, 16, 32, 64 - if (is_host && max_packet_size == 512) { - // HACK: while in host mode, some device incorrectly always report 512 regardless of link speed - // overwrite descriptor to force 64 - TU_LOG1(" WARN: EP max packet size is 512 in fullspeed, force to 64\r\n"); - tusb_desc_endpoint_t* hacked_ep = (tusb_desc_endpoint_t*) (uintptr_t) desc_ep; - hacked_ep->wMaxPacketSize = tu_htole16(64); - } else { - TU_ASSERT(max_packet_size == 8 || max_packet_size == 16 || - max_packet_size == 32 || max_packet_size == 64); - } + TU_ASSERT(max_packet_size == 8 || max_packet_size == 16 || max_packet_size == 32 || max_packet_size == 64); } break; diff --git a/test/fuzz/device/cdc/src/fuzz.cc b/test/fuzz/device/cdc/src/fuzz.cc index 0560e8621..ea13fce92 100644 --- a/test/fuzz/device/cdc/src/fuzz.cc +++ b/test/fuzz/device/cdc/src/fuzz.cc @@ -52,7 +52,11 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { provider.ConsumeIntegralInRange(0, Size)); fuzz_init(callback_data.data(), callback_data.size()); // init device stack on configured roothub port - tud_init(BOARD_TUD_RHPORT); + tusb_rhport_init_t dev_init = { + .role = TUSB_ROLE_DEVICE, + .speed = TUSB_SPEED_AUTO + }; + tusb_init(BOARD_TUD_RHPORT, &dev_init); for (int i = 0; i < FUZZ_ITERATIONS; i++) { if (provider.remaining_bytes() == 0) { diff --git a/test/fuzz/device/msc/src/fuzz.cc b/test/fuzz/device/msc/src/fuzz.cc index 371d49882..8981e5570 100644 --- a/test/fuzz/device/msc/src/fuzz.cc +++ b/test/fuzz/device/msc/src/fuzz.cc @@ -46,8 +46,11 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { std::vector callback_data = provider.ConsumeBytes( provider.ConsumeIntegralInRange(0, Size)); fuzz_init(callback_data.data(), callback_data.size()); - // init device stack on configured roothub port - tud_init(BOARD_TUD_RHPORT); + tusb_rhport_init_t dev_init = { + .role = TUSB_ROLE_DEVICE, + .speed = TUSB_SPEED_AUTO + }; + tusb_init(BOARD_TUD_RHPORT, &dev_init); for (int i = 0; i < FUZZ_ITERATIONS; i++) { if (provider.remaining_bytes() == 0) { diff --git a/test/fuzz/device/net/src/fuzz.cc b/test/fuzz/device/net/src/fuzz.cc index a6935928a..7c8c39acc 100644 --- a/test/fuzz/device/net/src/fuzz.cc +++ b/test/fuzz/device/net/src/fuzz.cc @@ -53,7 +53,11 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { provider.ConsumeIntegralInRange(0, Size)); fuzz_init(callback_data.data(), callback_data.size()); // init device stack on configured roothub port - tud_init(BOARD_TUD_RHPORT); + tusb_rhport_init_t dev_init = { + .role = TUSB_ROLE_DEVICE, + .speed = TUSB_SPEED_AUTO + }; + tusb_init(BOARD_TUD_RHPORT, &dev_init); for (int i = 0; i < FUZZ_ITERATIONS; i++) { if (provider.remaining_bytes() == 0) { -- cgit v1.3.1 From 78bbc7dc2e80daba79351bc37e11b13243fd6f8c Mon Sep 17 00:00:00 2001 From: hathach Date: Thu, 12 Mar 2026 11:43:32 +0700 Subject: refactor(config): separate endpoint buffer sizes into RX and TX definitions for clarity and flexibility --- examples/device/cdc_dual_ports/src/tusb_config.h | 6 +-- examples/device/cdc_msc/src/tusb_config.h | 6 +-- examples/device/cdc_msc_freertos/src/tusb_config.h | 6 +-- examples/device/cdc_uac2/src/tusb_config.h | 6 +-- examples/device/printer_to_cdc/src/tusb_config.h | 6 ++- examples/dual/dynamic_switch/src/tusb_config.h | 3 +- .../dual/host_hid_to_device_cdc/src/tusb_config.h | 3 +- .../dual/host_info_to_device_cdc/src/tusb_config.h | 3 +- src/class/cdc/cdc_device.c | 14 +++--- src/class/cdc/cdc_device.h | 57 ++++++++++++---------- src/class/cdc/cdc_host.h | 8 +-- src/class/midi/midi_device.c | 6 +-- src/class/midi/midi_device.h | 17 +++++-- src/class/midi/midi_host.c | 4 +- src/class/midi/midi_host.h | 6 +-- src/class/printer/printer_device.c | 22 ++++----- src/class/printer/printer_device.h | 15 +++++- src/class/vendor/vendor_device.c | 18 +++---- src/class/vendor/vendor_device.h | 16 +++++- src/common/tusb_types.h | 4 ++ src/host/usbh.h | 3 +- test/fuzz/device/cdc/src/tusb_config.h | 3 +- test/fuzz/device/msc/src/tusb_config.h | 3 +- test/fuzz/device/net/src/tusb_config.h | 3 +- 24 files changed, 143 insertions(+), 95 deletions(-) (limited to 'test/fuzz/device/net/src') diff --git a/examples/device/cdc_dual_ports/src/tusb_config.h b/examples/device/cdc_dual_ports/src/tusb_config.h index 710c01ee2..f8c36a90d 100644 --- a/examples/device/cdc_dual_ports/src/tusb_config.h +++ b/examples/device/cdc_dual_ports/src/tusb_config.h @@ -104,9 +104,9 @@ #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // CDC Endpoint transfer buffer size, more is faster -// Leave it as default size (512 for HS, 64 for FS) unless your host application -// is able to send ZLP (Zero Length Packet) to terminate transfer ! -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +// Only increase RX_EPSIZE if your host driver/application support zero-length packet (ZLP) +#define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #ifdef __cplusplus } diff --git a/examples/device/cdc_msc/src/tusb_config.h b/examples/device/cdc_msc/src/tusb_config.h index 3f2f05f20..c4f4374a2 100644 --- a/examples/device/cdc_msc/src/tusb_config.h +++ b/examples/device/cdc_msc/src/tusb_config.h @@ -104,9 +104,9 @@ #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // CDC Endpoint transfer buffer size, more is faster -// Leave it as default size (512 for HS, 64 for FS) unless your host application -// is able to send ZLP (Zero Length Packet) to terminate transfer ! -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +// Only increase RX_EPSIZE if your host driver/application support zero-length packet (ZLP) +#define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // MSC Buffer size of Device Mass storage #define CFG_TUD_MSC_EP_BUFSIZE 512 diff --git a/examples/device/cdc_msc_freertos/src/tusb_config.h b/examples/device/cdc_msc_freertos/src/tusb_config.h index 8277b1604..33342819e 100644 --- a/examples/device/cdc_msc_freertos/src/tusb_config.h +++ b/examples/device/cdc_msc_freertos/src/tusb_config.h @@ -111,9 +111,9 @@ #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // CDC Endpoint transfer buffer size, more is faster -// Leave it as default size (512 for HS, 64 for FS) unless your host application -// is able to send ZLP (Zero Length Packet) to terminate transfer ! -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +// Only increase RX_EPSIZE if your host driver/application support zero-length packet (ZLP) +#define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // MSC Buffer size of Device Mass storage #define CFG_TUD_MSC_EP_BUFSIZE 512 diff --git a/examples/device/cdc_uac2/src/tusb_config.h b/examples/device/cdc_uac2/src/tusb_config.h index 5eb2e8f74..6724b83b3 100644 --- a/examples/device/cdc_uac2/src/tusb_config.h +++ b/examples/device/cdc_uac2/src/tusb_config.h @@ -160,9 +160,9 @@ extern "C" { #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // CDC Endpoint transfer buffer size, more is faster -// Leave it as default size (512 for HS, 64 for FS) unless your host application -// is able to send ZLP (Zero Length Packet) to terminate transfer ! -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +// Only increase RX_EPSIZE if your host driver/application support zero-length packet (ZLP) +#define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #ifdef __cplusplus } diff --git a/examples/device/printer_to_cdc/src/tusb_config.h b/examples/device/printer_to_cdc/src/tusb_config.h index c38e8e1ee..d12313ce5 100644 --- a/examples/device/printer_to_cdc/src/tusb_config.h +++ b/examples/device/printer_to_cdc/src/tusb_config.h @@ -103,12 +103,14 @@ extern "C" { #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // CDC Endpoint transfer buffer size -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // Printer buffer sizes #define CFG_TUD_PRINTER_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_PRINTER_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -#define CFG_TUD_PRINTER_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_PRINTER_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_PRINTER_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #ifdef __cplusplus } diff --git a/examples/dual/dynamic_switch/src/tusb_config.h b/examples/dual/dynamic_switch/src/tusb_config.h index af0d55f14..f9500f923 100644 --- a/examples/dual/dynamic_switch/src/tusb_config.h +++ b/examples/dual/dynamic_switch/src/tusb_config.h @@ -130,7 +130,8 @@ extern "C" { #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // CDC Endpoint transfer buffer size, more is faster -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) //-------------------------------------------------------------------- // HOST CONFIGURATION diff --git a/examples/dual/host_hid_to_device_cdc/src/tusb_config.h b/examples/dual/host_hid_to_device_cdc/src/tusb_config.h index 2843e0b83..0a7137d29 100644 --- a/examples/dual/host_hid_to_device_cdc/src/tusb_config.h +++ b/examples/dual/host_hid_to_device_cdc/src/tusb_config.h @@ -115,7 +115,8 @@ #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // CDC Endpoint transfer buffer size, more is faster -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) //-------------------------------------------------------------------- // HOST CONFIGURATION diff --git a/examples/dual/host_info_to_device_cdc/src/tusb_config.h b/examples/dual/host_info_to_device_cdc/src/tusb_config.h index 601c27dae..8f3ed6357 100644 --- a/examples/dual/host_info_to_device_cdc/src/tusb_config.h +++ b/examples/dual/host_info_to_device_cdc/src/tusb_config.h @@ -115,7 +115,8 @@ #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 256) // CDC Endpoint transfer buffer size, more is faster -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) //-------------------------------------------------------------------- // HOST CONFIGURATION diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c index 2be3b8ade..3f207462e 100644 --- a/src/class/cdc/cdc_device.c +++ b/src/class/cdc/cdc_device.c @@ -63,10 +63,10 @@ typedef struct { #define ITF_MEM_RESET_SIZE offsetof(cdcd_interface_t, line_coding) // Skip local EP buffer if dedicated hw FIFO is supported - #if CFG_TUD_EDPT_DEDICATED_HWFIFO == 0 +#if CFG_TUD_EDPT_DEDICATED_HWFIFO == 0 typedef struct { - TUD_EPBUF_DEF(epout, CFG_TUD_CDC_EP_BUFSIZE); - TUD_EPBUF_DEF(epin, CFG_TUD_CDC_EP_BUFSIZE); + TUD_EPBUF_DEF(epout, CFG_TUD_CDC_RX_EPSIZE); + TUD_EPBUF_DEF(epin, CFG_TUD_CDC_TX_EPSIZE); #if CFG_TUD_CDC_NOTIFY TUD_EPBUF_TYPE_DEF(cdc_notify_msg_t, epnotify); @@ -74,7 +74,7 @@ typedef struct { } cdcd_epbuf_t; CFG_TUD_MEM_SECTION static cdcd_epbuf_t _cdcd_epbuf[CFG_TUD_CDC]; - #endif +#endif //--------------------------------------------------------------------+ // Weak stubs: invoked if no strong implementation is available @@ -347,7 +347,7 @@ uint16_t cdcd_open(uint8_t rhport, const tusb_desc_interface_t* itf_desc, uint16 TU_ASSERT(usbd_edpt_open(rhport, desc_ep), 0); if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) { tu_edpt_stream_t *stream_tx = &p_cdc->tx_stream; - tu_edpt_stream_open(stream_tx, rhport, desc_ep, CFG_TUD_CDC_EP_BUFSIZE); + tu_edpt_stream_open(stream_tx, rhport, desc_ep, CFG_TUD_CDC_TX_EPSIZE); if (_cdcd_cfg.tx_persistent) { tu_edpt_stream_write_xfer(stream_tx); // flush pending data } else { @@ -356,7 +356,7 @@ uint16_t cdcd_open(uint8_t rhport, const tusb_desc_interface_t* itf_desc, uint16 } else { tu_edpt_stream_t *stream_rx = &p_cdc->rx_stream; tu_edpt_stream_open(stream_rx, rhport, desc_ep, - _cdcd_cfg.rx_need_zlp ? CFG_TUD_CDC_EP_BUFSIZE : tu_edpt_packet_size(desc_ep)); + _cdcd_cfg.rx_need_zlp ? CFG_TUD_CDC_RX_EPSIZE : tu_edpt_packet_size(desc_ep)); if (!_cdcd_cfg.rx_persistent) { tu_edpt_stream_clear(stream_rx); } @@ -511,7 +511,7 @@ bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_ } // Data sent to host, we continue to fetch from tx fifo to send. - // Note: This will cause incorrect baudrate set in line coding. Though maybe the baudrate is not really important ! + // Note: This will cause incorrect baudrate set in line coding. Though maybe the baudrate is not really important! if (ep_addr == stream_tx->ep_addr) { tud_cdc_tx_complete_cb(itf); // invoke callback to possibly refill tx fifo diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h index 64e58e5ec..3baf84d00 100644 --- a/src/class/cdc/cdc_device.h +++ b/src/class/cdc/cdc_device.h @@ -29,6 +29,10 @@ #include "cdc.h" +#ifdef __cplusplus + extern "C" { +#endif + //--------------------------------------------------------------------+ // Class Driver Configuration //--------------------------------------------------------------------+ @@ -37,46 +41,49 @@ #endif #ifndef CFG_TUD_CDC_TX_BUFSIZE - #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) + #define CFG_TUD_CDC_TX_BUFSIZE TUD_EPSIZE_BULK_MAX #endif #ifndef CFG_TUD_CDC_RX_BUFSIZE - #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) + #define CFG_TUD_CDC_RX_BUFSIZE TUD_EPSIZE_BULK_MAX #endif -#if !defined(CFG_TUD_CDC_EP_BUFSIZE) && defined(CFG_TUD_CDC_EPSIZE) - #warning CFG_TUD_CDC_EPSIZE is renamed to CFG_TUD_CDC_EP_BUFSIZE, please update to use the new name - #define CFG_TUD_CDC_EP_BUFSIZE CFG_TUD_CDC_EPSIZE +// EP_BUFSIZE is separated to RX_EPSIZE and TX_EPSIZE +#ifndef CFG_TUD_CDC_RX_EPSIZE + #ifdef CFG_TUD_CDC_EP_BUFSIZE + #define CFG_TUD_CDC_RX_EPSIZE CFG_TUD_CDC_EP_BUFSIZE + #else + #define CFG_TUD_CDC_RX_EPSIZE TUD_EPSIZE_BULK_MAX + #endif #endif -#ifndef CFG_TUD_CDC_EP_BUFSIZE - #define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#ifndef CFG_TUD_CDC_TX_EPSIZE + #ifdef CFG_TUD_CDC_EP_BUFSIZE + #define CFG_TUD_CDC_TX_EPSIZE CFG_TUD_CDC_EP_BUFSIZE + #else + #define CFG_TUD_CDC_TX_EPSIZE TUD_EPSIZE_BULK_MAX + #endif #endif -#ifdef __cplusplus - extern "C" { +#ifndef CFG_TUD_CDC_CONFIGURE_DEFAULT + #define CFG_TUD_CDC_CONFIGURE_DEFAULT() \ + { \ + .rx_persistent = false, \ + .tx_persistent = false, \ + .tx_overwritabe_if_not_connected = true, \ + .rx_need_zlp = false \ + } #endif //--------------------------------------------------------------------+ // Driver Configuration //--------------------------------------------------------------------+ -typedef struct TU_ATTR_PACKED { - bool rx_persistent : 1; // keep rx fifo data even with bus reset or disconnect - bool tx_persistent : 1; // keep tx fifo data even with reset or disconnect - bool tx_overwritabe_if_not_connected : 1; // if not connected, tx fifo can be overwritten - bool rx_need_zlp : 1; // requires host support ZLP, allow transfer more than one packet in a single transfer, better throughput. +typedef struct { + bool rx_persistent; // keep rx fifo data even with bus reset or disconnect + bool tx_persistent; // keep tx fifo data even with reset or disconnect + bool tx_overwritabe_if_not_connected; // if not connected, tx fifo can be overwritten + bool rx_need_zlp; // requires host support ZLP, allow transfer more than one packet in a single transfer, better throughput. } tud_cdc_configure_t; -TU_VERIFY_STATIC(sizeof(tud_cdc_configure_t) == 1, "size is not correct"); - -#ifndef CFG_TUD_CDC_CONFIGURE_DEFAULT - #define CFG_TUD_CDC_CONFIGURE_DEFAULT() \ - { \ - .rx_persistent = false, \ - .tx_persistent = false, \ - .tx_overwritabe_if_not_connected = true, \ - .rx_need_zlp = false \ - } -#endif // Configure CDC driver behavior bool tud_cdc_configure(const tud_cdc_configure_t* driver_cfg); diff --git a/src/class/cdc/cdc_host.h b/src/class/cdc/cdc_host.h index 57919c7ff..1b1709b18 100644 --- a/src/class/cdc/cdc_host.h +++ b/src/class/cdc/cdc_host.h @@ -39,22 +39,22 @@ extern "C" { // 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_MAX #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_MAX #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_MAX #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_MAX #endif //--------------------------------------------------------------------+ diff --git a/src/class/midi/midi_device.c b/src/class/midi/midi_device.c index e5e0f52a5..de4ff5dd8 100644 --- a/src/class/midi/midi_device.c +++ b/src/class/midi/midi_device.c @@ -74,8 +74,8 @@ static midid_interface_t _midid_itf[CFG_TUD_MIDI]; #if CFG_TUD_EDPT_DEDICATED_HWFIFO == 0 // Endpoint Transfer buffer: not used if dedicated hw FIFO is available typedef struct { - TUD_EPBUF_DEF(epin, CFG_TUD_MIDI_EP_BUFSIZE); - TUD_EPBUF_DEF(epout, CFG_TUD_MIDI_EP_BUFSIZE); + TUD_EPBUF_DEF(epin, CFG_TUD_MIDI_TX_EPSIZE); + TUD_EPBUF_DEF(epout, CFG_TUD_MIDI_RX_EPSIZE); } midid_epbuf_t; CFG_TUD_MEM_SECTION static midid_epbuf_t _midid_epbuf[CFG_TUD_MIDI]; @@ -510,7 +510,7 @@ uint16_t midid_open(uint8_t rhport, const tusb_desc_interface_t *desc_itf, uint1 if (tu_edpt_dir(ep_addr) == TUSB_DIR_IN) { tu_edpt_stream_t *stream_tx = &p_midi->ep_stream.tx; - tu_edpt_stream_open(stream_tx, rhport, desc_ep, CFG_TUD_MIDI_EP_BUFSIZE); + tu_edpt_stream_open(stream_tx, rhport, desc_ep, CFG_TUD_MIDI_TX_EPSIZE); tu_edpt_stream_clear(stream_tx); } else { tu_edpt_stream_t *stream_rx = &p_midi->ep_stream.rx; diff --git a/src/class/midi/midi_device.h b/src/class/midi/midi_device.h index b80ad544a..57eabec1f 100644 --- a/src/class/midi/midi_device.h +++ b/src/class/midi/midi_device.h @@ -34,13 +34,20 @@ // Class Driver Configuration //--------------------------------------------------------------------+ -#if !defined(CFG_TUD_MIDI_EP_BUFSIZE) && defined(CFG_TUD_MIDI_EPSIZE) - #warning CFG_TUD_MIDI_EPSIZE is renamed to CFG_TUD_MIDI_EP_BUFSIZE, please update to use the new name - #define CFG_TUD_MIDI_EP_BUFSIZE CFG_TUD_MIDI_EPSIZE +#ifndef CFG_TUD_MIDI_RX_EPSIZE + #ifdef CFG_TUD_MIDI_EP_BUFSIZE + #define CFG_TUD_MIDI_RX_EPSIZE CFG_TUD_MIDI_EP_BUFSIZE + #else + #define CFG_TUD_MIDI_RX_EPSIZE TUD_EPSIZE_BULK_MAX + #endif #endif -#ifndef CFG_TUD_MIDI_EP_BUFSIZE - #define CFG_TUD_MIDI_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#ifndef CFG_TUD_MIDI_TX_EPSIZE + #ifdef CFG_TUD_MIDI_EP_BUFSIZE + #define CFG_TUD_MIDI_TX_EPSIZE CFG_TUD_MIDI_EP_BUFSIZE + #else + #define CFG_TUD_MIDI_TX_EPSIZE TUD_EPSIZE_BULK_MAX + #endif #endif #ifdef __cplusplus diff --git a/src/class/midi/midi_host.c b/src/class/midi/midi_host.c index bef4d46bf..0feb5106d 100644 --- a/src/class/midi/midi_host.c +++ b/src/class/midi/midi_host.c @@ -83,8 +83,8 @@ typedef struct { }midih_interface_t; typedef struct { - TUH_EPBUF_DEF(tx, TUH_EPSIZE_BULK_MPS); - TUH_EPBUF_DEF(rx, TUH_EPSIZE_BULK_MPS); + TUH_EPBUF_DEF(tx, TUH_EPSIZE_BULK_MAX); + TUH_EPBUF_DEF(rx, TUH_EPSIZE_BULK_MAX); } midih_epbuf_t; static midih_interface_t _midi_host[CFG_TUH_MIDI]; diff --git a/src/class/midi/midi_host.h b/src/class/midi/midi_host.h index 8a8dccab4..b9ab0130d 100644 --- a/src/class/midi/midi_host.h +++ b/src/class/midi/midi_host.h @@ -38,15 +38,15 @@ extern "C" { // 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_MAX #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_MAX #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_MAX #endif // Enable the MIDI stream read/write API. Some library can work with raw USB MIDI packet diff --git a/src/class/printer/printer_device.c b/src/class/printer/printer_device.c index f5bb33795..d2dc9b163 100644 --- a/src/class/printer/printer_device.c +++ b/src/class/printer/printer_device.c @@ -53,8 +53,8 @@ typedef struct { #if CFG_TUD_EDPT_DEDICATED_HWFIFO == 0 typedef struct { - TUD_EPBUF_DEF(epout, CFG_TUD_PRINTER_EP_BUFSIZE); - TUD_EPBUF_DEF(epin, CFG_TUD_PRINTER_EP_BUFSIZE); + TUD_EPBUF_DEF(epout, CFG_TUD_PRINTER_RX_EPSIZE); + TUD_EPBUF_DEF(epin, CFG_TUD_PRINTER_TX_EPSIZE); } printer_epbuf_t; CFG_TUD_MEM_SECTION static printer_epbuf_t _printer_epbuf[CFG_TUD_PRINTER]; @@ -173,12 +173,10 @@ void printerd_init(void) { #endif tu_edpt_stream_init(&p->rx_stream, false, false, false, - p->rx_ff_buf, CFG_TUD_PRINTER_RX_BUFSIZE, - epout_buf, CFG_TUD_PRINTER_EP_BUFSIZE); + p->rx_ff_buf, CFG_TUD_PRINTER_RX_BUFSIZE, epout_buf); tu_edpt_stream_init(&p->tx_stream, false, true, true, - p->tx_ff_buf, CFG_TUD_PRINTER_TX_BUFSIZE, - epin_buf, CFG_TUD_PRINTER_EP_BUFSIZE); + p->tx_ff_buf, CFG_TUD_PRINTER_TX_BUFSIZE, epin_buf); } } @@ -226,12 +224,14 @@ uint16_t printerd_open(uint8_t rhport, const tusb_desc_interface_t *itf_desc, ui TU_ASSERT(usbd_edpt_open(rhport, desc_ep), 0); if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) { - tu_edpt_stream_open(&p->tx_stream, rhport, desc_ep); - tu_edpt_stream_clear(&p->tx_stream); + tu_edpt_stream_t *stream_tx = &p->tx_stream; + tu_edpt_stream_open(stream_tx, rhport, desc_ep, CFG_TUD_PRINTER_TX_EPSIZE); + tu_edpt_stream_clear(stream_tx); } else { - tu_edpt_stream_open(&p->rx_stream, rhport, desc_ep); - tu_edpt_stream_clear(&p->rx_stream); - TU_ASSERT(tu_edpt_stream_read_xfer(&p->rx_stream) > 0, 0); + tu_edpt_stream_t *stream_rx = &p->rx_stream; + tu_edpt_stream_open(stream_rx, rhport, desc_ep, tu_edpt_packet_size(desc_ep)); + tu_edpt_stream_clear(stream_rx); + TU_ASSERT(tu_edpt_stream_read_xfer(stream_rx) > 0, 0); } drv_len += sizeof(tusb_desc_endpoint_t); diff --git a/src/class/printer/printer_device.h b/src/class/printer/printer_device.h index a6b7052cb..afde1f022 100644 --- a/src/class/printer/printer_device.h +++ b/src/class/printer/printer_device.h @@ -27,12 +27,23 @@ #ifndef TUSB_PRINTER_DEVICE_H_ #define TUSB_PRINTER_DEVICE_H_ -#include "printer.h" - #ifdef __cplusplus extern "C" { #endif +#include "printer.h" + +//--------------------------------------------------------------------+ +// Configuration +//--------------------------------------------------------------------+ +#ifndef CFG_TUD_PRINTER_RX_EPSIZE + #define CFG_TUD_PRINTER_RX_EPSIZE TUD_EPSIZE_BULK_MAX +#endif + +#ifndef CFG_TUD_PRINTER_TX_EPSIZE + #define CFG_TUD_PRINTER_TX_EPSIZE TUD_EPSIZE_BULK_MAX +#endif + //--------------------------------------------------------------------+ // Application API (Multiple Ports) i.e. CFG_TUD_PRINTER > 1 //--------------------------------------------------------------------+ diff --git a/src/class/vendor/vendor_device.c b/src/class/vendor/vendor_device.c index c7ad8bd8c..c55cad627 100644 --- a/src/class/vendor/vendor_device.c +++ b/src/class/vendor/vendor_device.c @@ -61,15 +61,15 @@ typedef struct { static vendord_interface_t _vendord_itf[CFG_TUD_VENDOR]; - // Skip local EP buffer if dedicated hw FIFO is supported or no fifo mode - #if CFG_TUD_EDPT_DEDICATED_HWFIFO == 0 || !CFG_TUD_VENDOR_TXRX_BUFFERED +// Skip local EP buffer if dedicated hw FIFO is supported or no fifo mode +#if CFG_TUD_EDPT_DEDICATED_HWFIFO == 0 || !CFG_TUD_VENDOR_TXRX_BUFFERED typedef struct { - TUD_EPBUF_DEF(epout, CFG_TUD_VENDOR_EPSIZE); - TUD_EPBUF_DEF(epin, CFG_TUD_VENDOR_EPSIZE); + TUD_EPBUF_DEF(epout, CFG_TUD_VENDOR_RX_EPSIZE); + TUD_EPBUF_DEF(epin, CFG_TUD_VENDOR_TX_EPSIZE); } vendord_epbuf_t; CFG_TUD_MEM_SECTION static vendord_epbuf_t _vendord_epbuf[CFG_TUD_VENDOR]; - #endif +#endif static tud_vendor_configure_t _vendord_cfg = CFG_TUD_VENDOR_CONFIGURE_DEFAULT(); @@ -167,7 +167,7 @@ uint32_t tud_vendor_n_write(uint8_t idx, const void *buffer, uint32_t bufsize) { #else // non-fifo mode: direct transfer TU_VERIFY(usbd_edpt_claim(p_itf->rhport, p_itf->ep_in), 0); - const uint32_t xact_len = tu_min32(bufsize, CFG_TUD_VENDOR_EPSIZE); + const uint32_t xact_len = tu_min32(bufsize, CFG_TUD_VENDOR_TX_EPSIZE); memcpy(_vendord_epbuf[idx].epin, buffer, xact_len); TU_ASSERT(usbd_edpt_xfer(p_itf->rhport, p_itf->ep_in, _vendord_epbuf[idx].epin, (uint16_t)xact_len, false), 0); return xact_len; @@ -184,7 +184,7 @@ uint32_t tud_vendor_n_write_available(uint8_t idx) { #else // Non-FIFO mode TU_VERIFY(p_itf->ep_in > 0, 0); // must be opened - return usbd_edpt_busy(p_itf->rhport, p_itf->ep_in) ? 0 : CFG_TUD_VENDOR_EPSIZE; + return usbd_edpt_busy(p_itf->rhport, p_itf->ep_in) ? 0 : CFG_TUD_VENDOR_TX_EPSIZE; #endif } @@ -307,13 +307,13 @@ uint16_t vendord_open(uint8_t rhport, const tusb_desc_interface_t *desc_itf, uin const tusb_desc_endpoint_t* desc_ep = (const tusb_desc_endpoint_t*) p_desc; TU_ASSERT(usbd_edpt_open(rhport, desc_ep)); - uint16_t rx_xfer_len = _vendord_cfg.rx_need_zlp ? CFG_TUD_VENDOR_EPSIZE : tu_edpt_packet_size(desc_ep); + uint16_t rx_xfer_len = _vendord_cfg.rx_need_zlp ? CFG_TUD_VENDOR_RX_EPSIZE : tu_edpt_packet_size(desc_ep); #if CFG_TUD_VENDOR_TXRX_BUFFERED // open endpoint stream if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) { tu_edpt_stream_t *tx_stream = &p_vendor->tx_stream; - tu_edpt_stream_open(tx_stream, rhport, desc_ep, CFG_TUD_VENDOR_EPSIZE); + tu_edpt_stream_open(tx_stream, rhport, desc_ep, CFG_TUD_VENDOR_TX_EPSIZE); tu_edpt_stream_write_xfer(tx_stream); // flush pending data } else { tu_edpt_stream_t *rx_stream = &p_vendor->rx_stream; diff --git a/src/class/vendor/vendor_device.h b/src/class/vendor/vendor_device.h index 54f3548c7..491a7d7fb 100644 --- a/src/class/vendor/vendor_device.h +++ b/src/class/vendor/vendor_device.h @@ -36,8 +36,20 @@ extern "C" { //--------------------------------------------------------------------+ // Configuration //--------------------------------------------------------------------+ -#ifndef CFG_TUD_VENDOR_EPSIZE - #define CFG_TUD_VENDOR_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#ifndef CFG_TUD_VENDOR_RX_EPSIZE + #ifdef CFG_TUD_VENDOR_EPSIZE + #define CFG_TUD_VENDOR_RX_EPSIZE CFG_TUD_VENDOR_EPSIZE + #else + #define CFG_TUD_VENDOR_RX_EPSIZE TUD_EPSIZE_BULK_MAX + #endif +#endif + +#ifndef CFG_TUD_VENDOR_TX_EPSIZE + #ifdef CFG_TUD_VENDOR_EPSIZE + #define CFG_TUD_VENDOR_TX_EPSIZE CFG_TUD_VENDOR_EPSIZE + #else + #define CFG_TUD_VENDOR_TX_EPSIZE TUD_EPSIZE_BULK_MAX + #endif #endif // RX FIFO can be disabled by setting this value to 0 diff --git a/src/common/tusb_types.h b/src/common/tusb_types.h index 8a48a0f04..a18f9feb7 100644 --- a/src/common/tusb_types.h +++ b/src/common/tusb_types.h @@ -115,6 +115,10 @@ enum { TUSB_EPSIZE_ISO_HS_MAX = 1024, }; +// Endpoint Bulk size depending on host/device max speed +#define TUD_EPSIZE_BULK_MAX (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define TUH_EPSIZE_BULK_MAX (TUH_OPT_HIGH_SPEED ? 512 : 64) + /// Isochronous Endpoint Attributes typedef enum { TUSB_ISO_EP_ATT_NO_SYNC = 0x00, diff --git a/src/host/usbh.h b/src/host/usbh.h index 143d36f8c..7ddec35b7 100644 --- a/src/host/usbh.h +++ b/src/host/usbh.h @@ -41,8 +41,7 @@ // MACRO CONSTANT TYPEDEF //--------------------------------------------------------------------+ -// Endpoint Bulk size depending on host mx speed -#define TUH_EPSIZE_BULK_MPS (TUH_OPT_HIGH_SPEED ? TUSB_EPSIZE_BULK_HS : TUSB_EPSIZE_BULK_FS) + // forward declaration struct tuh_xfer_s; diff --git a/test/fuzz/device/cdc/src/tusb_config.h b/test/fuzz/device/cdc/src/tusb_config.h index 76f44619e..b4b45d798 100644 --- a/test/fuzz/device/cdc/src/tusb_config.h +++ b/test/fuzz/device/cdc/src/tusb_config.h @@ -102,7 +102,8 @@ #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // CDC Endpoint transfer buffer size, more is faster -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // MSC Buffer size of Device Mass storage #define CFG_TUD_MSC_EP_BUFSIZE 512 diff --git a/test/fuzz/device/msc/src/tusb_config.h b/test/fuzz/device/msc/src/tusb_config.h index abd8cd4ce..3400c141d 100644 --- a/test/fuzz/device/msc/src/tusb_config.h +++ b/test/fuzz/device/msc/src/tusb_config.h @@ -102,7 +102,8 @@ #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // CDC Endpoint transfer buffer size, more is faster -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // MSC Buffer size of Device Mass storage #define CFG_TUD_MSC_EP_BUFSIZE 512 diff --git a/test/fuzz/device/net/src/tusb_config.h b/test/fuzz/device/net/src/tusb_config.h index 4fe98e043..46fc10cdb 100644 --- a/test/fuzz/device/net/src/tusb_config.h +++ b/test/fuzz/device/net/src/tusb_config.h @@ -107,7 +107,8 @@ #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // CDC Endpoint transfer buffer size, more is faster -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // MSC Buffer size of Device Mass storage #define CFG_TUD_MSC_EP_BUFSIZE 512 -- cgit v1.3.1 From aea4f6046e9a07d5f169de9fcc31bca2b667ea45 Mon Sep 17 00:00:00 2001 From: hathach Date: Thu, 12 Mar 2026 12:16:57 +0700 Subject: refactor(vendor/cdc): add CFG_TUD_CDC_RX_NEED_ZLP and CFG_TUD_VENDOR_RX_NEED_ZLP --- examples/device/cdc_dual_ports/src/tusb_config.h | 4 ++-- examples/device/cdc_msc/src/tusb_config.h | 4 ++-- examples/device/cdc_msc_freertos/src/tusb_config.h | 4 ++-- examples/device/cdc_uac2/src/tusb_config.h | 4 ++-- examples/device/printer_to_cdc/src/tusb_config.h | 3 ++- examples/dual/dynamic_switch/src/tusb_config.h | 3 ++- .../dual/host_hid_to_device_cdc/src/tusb_config.h | 3 ++- .../dual/host_info_to_device_cdc/src/tusb_config.h | 3 ++- src/class/cdc/cdc_device.c | 2 +- src/class/cdc/cdc_device.h | 7 +++++-- src/class/vendor/vendor_device.c | 13 +------------ src/class/vendor/vendor_device.h | 19 +++---------------- test/fuzz/device/cdc/src/tusb_config.h | 3 ++- test/fuzz/device/msc/src/tusb_config.h | 3 ++- test/fuzz/device/net/src/tusb_config.h | 3 ++- 15 files changed, 32 insertions(+), 46 deletions(-) (limited to 'test/fuzz/device/net/src') diff --git a/examples/device/cdc_dual_ports/src/tusb_config.h b/examples/device/cdc_dual_ports/src/tusb_config.h index f8c36a90d..633a3faea 100644 --- a/examples/device/cdc_dual_ports/src/tusb_config.h +++ b/examples/device/cdc_dual_ports/src/tusb_config.h @@ -103,8 +103,8 @@ #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -// CDC Endpoint transfer buffer size, more is faster -// Only increase RX_EPSIZE if your host driver/application support zero-length packet (ZLP) +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) diff --git a/examples/device/cdc_msc/src/tusb_config.h b/examples/device/cdc_msc/src/tusb_config.h index c4f4374a2..f0709d8fb 100644 --- a/examples/device/cdc_msc/src/tusb_config.h +++ b/examples/device/cdc_msc/src/tusb_config.h @@ -103,8 +103,8 @@ #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -// CDC Endpoint transfer buffer size, more is faster -// Only increase RX_EPSIZE if your host driver/application support zero-length packet (ZLP) +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) diff --git a/examples/device/cdc_msc_freertos/src/tusb_config.h b/examples/device/cdc_msc_freertos/src/tusb_config.h index 33342819e..a78f2ea05 100644 --- a/examples/device/cdc_msc_freertos/src/tusb_config.h +++ b/examples/device/cdc_msc_freertos/src/tusb_config.h @@ -110,8 +110,8 @@ #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -// CDC Endpoint transfer buffer size, more is faster -// Only increase RX_EPSIZE if your host driver/application support zero-length packet (ZLP) +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) diff --git a/examples/device/cdc_uac2/src/tusb_config.h b/examples/device/cdc_uac2/src/tusb_config.h index 6724b83b3..358ff6747 100644 --- a/examples/device/cdc_uac2/src/tusb_config.h +++ b/examples/device/cdc_uac2/src/tusb_config.h @@ -159,8 +159,8 @@ extern "C" { #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -// CDC Endpoint transfer buffer size, more is faster -// Only increase RX_EPSIZE if your host driver/application support zero-length packet (ZLP) +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) diff --git a/examples/device/printer_to_cdc/src/tusb_config.h b/examples/device/printer_to_cdc/src/tusb_config.h index d12313ce5..74b96c8f6 100644 --- a/examples/device/printer_to_cdc/src/tusb_config.h +++ b/examples/device/printer_to_cdc/src/tusb_config.h @@ -102,7 +102,8 @@ extern "C" { #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -// CDC Endpoint transfer buffer size +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) diff --git a/examples/dual/dynamic_switch/src/tusb_config.h b/examples/dual/dynamic_switch/src/tusb_config.h index f9500f923..f3e016305 100644 --- a/examples/dual/dynamic_switch/src/tusb_config.h +++ b/examples/dual/dynamic_switch/src/tusb_config.h @@ -129,7 +129,8 @@ extern "C" { #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -// CDC Endpoint transfer buffer size, more is faster +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) diff --git a/examples/dual/host_hid_to_device_cdc/src/tusb_config.h b/examples/dual/host_hid_to_device_cdc/src/tusb_config.h index 0a7137d29..fb2a401b5 100644 --- a/examples/dual/host_hid_to_device_cdc/src/tusb_config.h +++ b/examples/dual/host_hid_to_device_cdc/src/tusb_config.h @@ -114,7 +114,8 @@ #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -// CDC Endpoint transfer buffer size, more is faster +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) diff --git a/examples/dual/host_info_to_device_cdc/src/tusb_config.h b/examples/dual/host_info_to_device_cdc/src/tusb_config.h index 8f3ed6357..99e9315a4 100644 --- a/examples/dual/host_info_to_device_cdc/src/tusb_config.h +++ b/examples/dual/host_info_to_device_cdc/src/tusb_config.h @@ -114,7 +114,8 @@ #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 256) -// CDC Endpoint transfer buffer size, more is faster +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c index 3f207462e..c7547c92b 100644 --- a/src/class/cdc/cdc_device.c +++ b/src/class/cdc/cdc_device.c @@ -356,7 +356,7 @@ uint16_t cdcd_open(uint8_t rhport, const tusb_desc_interface_t* itf_desc, uint16 } else { tu_edpt_stream_t *stream_rx = &p_cdc->rx_stream; tu_edpt_stream_open(stream_rx, rhport, desc_ep, - _cdcd_cfg.rx_need_zlp ? CFG_TUD_CDC_RX_EPSIZE : tu_edpt_packet_size(desc_ep)); + CFG_TUD_CDC_RX_NEED_ZLP ? CFG_TUD_CDC_RX_EPSIZE : tu_edpt_packet_size(desc_ep)); if (!_cdcd_cfg.rx_persistent) { tu_edpt_stream_clear(stream_rx); } diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h index 3baf84d00..0348bd2ec 100644 --- a/src/class/cdc/cdc_device.h +++ b/src/class/cdc/cdc_device.h @@ -65,13 +65,17 @@ #endif #endif +// Enable multi-packet RX transfer with ZLP termination for better throughput. Requires host support for ZLP. +#ifndef CFG_TUD_CDC_RX_NEED_ZLP + #define CFG_TUD_CDC_RX_NEED_ZLP 0 +#endif + #ifndef CFG_TUD_CDC_CONFIGURE_DEFAULT #define CFG_TUD_CDC_CONFIGURE_DEFAULT() \ { \ .rx_persistent = false, \ .tx_persistent = false, \ .tx_overwritabe_if_not_connected = true, \ - .rx_need_zlp = false \ } #endif @@ -82,7 +86,6 @@ typedef struct { bool rx_persistent; // keep rx fifo data even with bus reset or disconnect bool tx_persistent; // keep tx fifo data even with reset or disconnect bool tx_overwritabe_if_not_connected; // if not connected, tx fifo can be overwritten - bool rx_need_zlp; // requires host support ZLP, allow transfer more than one packet in a single transfer, better throughput. } tud_cdc_configure_t; // Configure CDC driver behavior diff --git a/src/class/vendor/vendor_device.c b/src/class/vendor/vendor_device.c index c55cad627..e1017ba48 100644 --- a/src/class/vendor/vendor_device.c +++ b/src/class/vendor/vendor_device.c @@ -71,8 +71,6 @@ typedef struct { CFG_TUD_MEM_SECTION static vendord_epbuf_t _vendord_epbuf[CFG_TUD_VENDOR]; #endif -static tud_vendor_configure_t _vendord_cfg = CFG_TUD_VENDOR_CONFIGURE_DEFAULT(); - //--------------------------------------------------------------------+ // Weak stubs: invoked if no strong implementation is available //--------------------------------------------------------------------+ @@ -87,15 +85,6 @@ TU_ATTR_WEAK void tud_vendor_tx_cb(uint8_t idx, uint32_t sent_bytes) { (void) sent_bytes; } -//-------------------------------------------------------------------- -// Application API -//-------------------------------------------------------------------- -bool tud_vendor_configure(const tud_vendor_configure_t* driver_cfg) { - TU_VERIFY(driver_cfg != NULL); - _vendord_cfg = *driver_cfg; - return true; -} - bool tud_vendor_n_mounted(uint8_t idx) { TU_VERIFY(idx < CFG_TUD_VENDOR); vendord_interface_t *p_itf = &_vendord_itf[idx]; @@ -307,7 +296,7 @@ uint16_t vendord_open(uint8_t rhport, const tusb_desc_interface_t *desc_itf, uin const tusb_desc_endpoint_t* desc_ep = (const tusb_desc_endpoint_t*) p_desc; TU_ASSERT(usbd_edpt_open(rhport, desc_ep)); - uint16_t rx_xfer_len = _vendord_cfg.rx_need_zlp ? CFG_TUD_VENDOR_RX_EPSIZE : tu_edpt_packet_size(desc_ep); + uint16_t rx_xfer_len = CFG_TUD_VENDOR_RX_NEED_ZLP ? CFG_TUD_VENDOR_RX_EPSIZE : tu_edpt_packet_size(desc_ep); #if CFG_TUD_VENDOR_TXRX_BUFFERED // open endpoint stream diff --git a/src/class/vendor/vendor_device.h b/src/class/vendor/vendor_device.h index 491a7d7fb..28accc698 100644 --- a/src/class/vendor/vendor_device.h +++ b/src/class/vendor/vendor_device.h @@ -74,24 +74,11 @@ extern "C" { #define CFG_TUD_VENDOR_RX_MANUAL_XFER 0 #endif -//--------------------------------------------------------------------+ -// Driver Configuration -//--------------------------------------------------------------------+ -typedef struct TU_ATTR_PACKED { - bool rx_need_zlp : 1; // requires host support ZLP, allow transfer more than one packet in a single transfer, better throughput. -} tud_vendor_configure_t; -TU_VERIFY_STATIC(sizeof(tud_vendor_configure_t) == 1, "size is not correct"); - -#ifndef CFG_TUD_VENDOR_CONFIGURE_DEFAULT - #define CFG_TUD_VENDOR_CONFIGURE_DEFAULT() \ - { \ - .rx_need_zlp = false, \ - } +// Enable multi-packet RX transfer with ZLP termination for better throughput. Requires host support for ZLP. +#ifndef CFG_TUD_VENDOR_RX_NEED_ZLP + #define CFG_TUD_VENDOR_RX_NEED_ZLP 0 #endif -// Configure CDC driver behavior -bool tud_vendor_configure(const tud_vendor_configure_t* driver_cfg); - //--------------------------------------------------------------------+ // Application API (Multiple Interfaces) i.e CFG_TUD_VENDOR > 1 //--------------------------------------------------------------------+ diff --git a/test/fuzz/device/cdc/src/tusb_config.h b/test/fuzz/device/cdc/src/tusb_config.h index b4b45d798..14b7b627d 100644 --- a/test/fuzz/device/cdc/src/tusb_config.h +++ b/test/fuzz/device/cdc/src/tusb_config.h @@ -101,7 +101,8 @@ #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -// CDC Endpoint transfer buffer size, more is faster +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) diff --git a/test/fuzz/device/msc/src/tusb_config.h b/test/fuzz/device/msc/src/tusb_config.h index 3400c141d..7a4a24fb8 100644 --- a/test/fuzz/device/msc/src/tusb_config.h +++ b/test/fuzz/device/msc/src/tusb_config.h @@ -101,7 +101,8 @@ #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -// CDC Endpoint transfer buffer size, more is faster +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) diff --git a/test/fuzz/device/net/src/tusb_config.h b/test/fuzz/device/net/src/tusb_config.h index 46fc10cdb..de45e9ead 100644 --- a/test/fuzz/device/net/src/tusb_config.h +++ b/test/fuzz/device/net/src/tusb_config.h @@ -106,7 +106,8 @@ #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -// CDC Endpoint transfer buffer size, more is faster +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -- cgit v1.3.1