Merge branch 'ZLP_Request2' into pigrew-ZLP_Request2

1 files changed, 327 insertions, 327 deletions

diff --git a/src/class/hid/hid_device.c b/src/class/hid/hid_device.c
index fc2e6b35a..1d35e63f0 100644
--- a/src/class/hid/hid_device.c
+++ b/src/class/hid/hid_device.c
@@ -1,327 +1,327 @@
-/* 

- * 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 (TUSB_OPT_DEVICE_ENABLED && CFG_TUD_HID)

-

-//--------------------------------------------------------------------+

-// INCLUDE

-//--------------------------------------------------------------------+

-#include "common/tusb_common.h"

-#include "hid_device.h"

-#include "device/usbd_pvt.h"

-

-//--------------------------------------------------------------------+

-// MACRO CONSTANT TYPEDEF

-//--------------------------------------------------------------------+

-typedef struct

-{

-  uint8_t itf_num;

-  uint8_t ep_in;

-  uint8_t ep_out;        // optional Out endpoint

-  uint8_t boot_protocol; // Boot mouse or keyboard

-  bool    boot_mode;     // default = false (Report)

-  uint8_t idle_rate;     // up to application to handle idle rate

-  uint16_t report_desc_len;

-

-  CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_HID_BUFSIZE];

-  CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_HID_BUFSIZE];

-

-  tusb_hid_descriptor_hid_t const * hid_descriptor;

-} hidd_interface_t;

-

-CFG_TUSB_MEM_SECTION static hidd_interface_t _hidd_itf[CFG_TUD_HID];

-

-/*------------- Helpers -------------*/

-static inline hidd_interface_t* get_interface_by_itfnum(uint8_t itf_num)

-{

-  for (uint8_t i=0; i < CFG_TUD_HID; i++ )

-  {

-    if ( itf_num == _hidd_itf[i].itf_num ) return &_hidd_itf[i];

-  }

-

-  return NULL;

-}

-

-//--------------------------------------------------------------------+

-// APPLICATION API

-//--------------------------------------------------------------------+

-bool tud_hid_ready(void)

-{

-  uint8_t itf = 0;

-  uint8_t const ep_in = _hidd_itf[itf].ep_in;

-  return tud_ready() && (ep_in != 0) && usbd_edpt_ready(TUD_OPT_RHPORT, ep_in);

-}

-

-bool tud_hid_report(uint8_t report_id, void const* report, uint8_t len)

-{

-  TU_VERIFY( tud_hid_ready() );

-

-  uint8_t itf = 0;

-  hidd_interface_t * p_hid = &_hidd_itf[itf];

-

-  if (report_id)

-  {

-    len = tu_min8(len, CFG_TUD_HID_BUFSIZE-1);

-

-    p_hid->epin_buf[0] = report_id;

-    memcpy(p_hid->epin_buf+1, report, len);

-    len++;

-  }else

-  {

-    // If report id = 0, skip ID field

-    len = tu_min8(len, CFG_TUD_HID_BUFSIZE);

-    memcpy(p_hid->epin_buf, report, len);

-  }

-

-  return usbd_edpt_xfer(TUD_OPT_RHPORT, p_hid->ep_in, p_hid->epin_buf, len);

-}

-

-bool tud_hid_boot_mode(void)

-{

-  uint8_t itf = 0;

-  return _hidd_itf[itf].boot_mode;

-}

-

-//--------------------------------------------------------------------+

-// KEYBOARD API

-//--------------------------------------------------------------------+

-bool tud_hid_keyboard_report(uint8_t report_id, uint8_t modifier, uint8_t keycode[6])

-{

-  hid_keyboard_report_t report;

-

-  report.modifier = modifier;

-

-  if ( keycode )

-  {

-    memcpy(report.keycode, keycode, 6);

-  }else

-  {

-    tu_memclr(report.keycode, 6);

-  }

-

-  return tud_hid_report(report_id, &report, sizeof(report));

-}

-

-//--------------------------------------------------------------------+

-// MOUSE APPLICATION API

-//--------------------------------------------------------------------+

-bool tud_hid_mouse_report(uint8_t report_id, uint8_t buttons, int8_t x, int8_t y, int8_t vertical, int8_t horizontal)

-{

-  hid_mouse_report_t report =

-  {

-    .buttons = buttons,

-    .x       = x,

-    .y       = y,

-    .wheel   = vertical,

-    .pan     = horizontal

-  };

-

-  return tud_hid_report(report_id, &report, sizeof(report));

-}

-

-//--------------------------------------------------------------------+

-// USBD-CLASS API

-//--------------------------------------------------------------------+

-void hidd_init(void)

-{

-  hidd_reset(TUD_OPT_RHPORT);

-}

-

-void hidd_reset(uint8_t rhport)

-{

-  (void) rhport;

-  tu_memclr(_hidd_itf, sizeof(_hidd_itf));

-}

-

-bool hidd_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, uint16_t *p_len)

-{

-  uint8_t const *p_desc = (uint8_t const *) desc_itf;

-

-  // TODO support multiple HID interface

-  uint8_t const itf = 0;

-  hidd_interface_t * p_hid = &_hidd_itf[itf];

-

-  //------------- HID descriptor -------------//

-  p_desc = tu_desc_next(p_desc);

-  p_hid->hid_descriptor = (tusb_hid_descriptor_hid_t const *) p_desc;

-  TU_ASSERT(HID_DESC_TYPE_HID == p_hid->hid_descriptor->bDescriptorType);

-

-  //------------- Endpoint Descriptor -------------//

-  p_desc = tu_desc_next(p_desc);

-  TU_ASSERT(usbd_open_edpt_pair(rhport, p_desc, desc_itf->bNumEndpoints, TUSB_XFER_INTERRUPT, &p_hid->ep_out, &p_hid->ep_in));

-

-  if ( desc_itf->bInterfaceSubClass == HID_SUBCLASS_BOOT ) p_hid->boot_protocol = desc_itf->bInterfaceProtocol;

-

-  p_hid->boot_mode = false; // default mode is REPORT

-  p_hid->itf_num   = desc_itf->bInterfaceNumber;

-  memcpy(&p_hid->report_desc_len, &(p_hid->hid_descriptor->wReportLength), 2);

-

-  *p_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) + desc_itf->bNumEndpoints*sizeof(tusb_desc_endpoint_t);

-

-  // Prepare for output endpoint

-  if (p_hid->ep_out) TU_ASSERT(usbd_edpt_xfer(rhport, p_hid->ep_out, p_hid->epout_buf, sizeof(p_hid->epout_buf)));

-

-  return true;

-}

-

-// Handle class control request

-// return false to stall control endpoint (e.g unsupported request)

-bool hidd_control_request(uint8_t rhport, tusb_control_request_t const * p_request)

-{

-  if (p_request->bmRequestType_bit.recipient != TUSB_REQ_RCPT_INTERFACE)

-  {

-    return false;

-  }

-  hidd_interface_t* p_hid = get_interface_by_itfnum( (uint8_t) p_request->wIndex );

-  TU_ASSERT(p_hid);

-

-  if (p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_STANDARD)

-  {

-    //------------- STD Request -------------//

-    uint8_t const desc_type  = tu_u16_high(p_request->wValue);

-    uint8_t const desc_index = tu_u16_low (p_request->wValue);

-    (void) desc_index;

-

-    if (p_request->bRequest == TUSB_REQ_GET_DESCRIPTOR && desc_type == HID_DESC_TYPE_HID)

-    {

-      TU_VERIFY(p_hid->hid_descriptor != NULL);

-      TU_VERIFY(tud_control_xfer(rhport, p_request, (void*) p_hid->hid_descriptor, p_hid->hid_descriptor->bLength));

-    }

-    else if (p_request->bRequest == TUSB_REQ_GET_DESCRIPTOR && desc_type == HID_DESC_TYPE_REPORT)

-    {

-      uint8_t const * desc_report = tud_hid_descriptor_report_cb();

-      tud_control_xfer(rhport, p_request, (void*) desc_report, p_hid->report_desc_len);

-    }

-    else

-    {

-      return false; // stall unsupported request

-    }

-  }

-  else if (p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS)

-  {

-    //------------- Class Specific Request -------------//

-    switch( p_request->bRequest )

-    {

-      case HID_REQ_CONTROL_GET_REPORT:

-      {

-        // wValue = Report Type | Report ID

-        uint8_t const report_type = tu_u16_high(p_request->wValue);

-        uint8_t const report_id   = tu_u16_low(p_request->wValue);

-

-        uint16_t xferlen  = tud_hid_get_report_cb(report_id, (hid_report_type_t) report_type, p_hid->epin_buf, p_request->wLength);

-        TU_ASSERT( xferlen > 0 );

-

-        tud_control_xfer(rhport, p_request, p_hid->epin_buf, xferlen);

-      }

-      break;

-

-      case  HID_REQ_CONTROL_SET_REPORT:

-        TU_VERIFY(p_request->wLength <= sizeof(p_hid->epout_buf));

-        tud_control_xfer(rhport, p_request, p_hid->epout_buf, p_request->wLength);

-      break;

-

-      case HID_REQ_CONTROL_SET_IDLE:

-        p_hid->idle_rate = tu_u16_high(p_request->wValue);

-        if ( tud_hid_set_idle_cb )

-        {

-          // stall request if callback return false

-          if ( !tud_hid_set_idle_cb(p_hid->idle_rate) ) return false;

-        }

-

-        tud_control_status(rhport, p_request);

-      break;

-

-      case HID_REQ_CONTROL_GET_IDLE:

-        // TODO idle rate of report

-        tud_control_xfer(rhport, p_request, &p_hid->idle_rate, 1);

-      break;

-

-      case HID_REQ_CONTROL_GET_PROTOCOL:

-      {

-        uint8_t protocol = (uint8_t)(1-p_hid->boot_mode);   // 0 is Boot, 1 is Report protocol

-        tud_control_xfer(rhport, p_request, &protocol, 1);

-      }

-      break;

-

-      case HID_REQ_CONTROL_SET_PROTOCOL:

-        p_hid->boot_mode = 1 - p_request->wValue; // 0 is Boot, 1 is Report protocol

-

-        if (tud_hid_boot_mode_cb) tud_hid_boot_mode_cb(p_hid->boot_mode);

-

-        tud_control_status(rhport, p_request);

-      break;

-

-      default: return false; // stall unsupported request

-    }

-  }else

-  {

-    return false; // stall unsupported request

-  }

-

-  return true;

-}

-

-// Invoked when class request DATA stage is finished.

-// return false to stall control endpoint (e.g Host send non-sense DATA)

-bool hidd_control_complete(uint8_t rhport, tusb_control_request_t const * p_request)

-{

-  (void) rhport;

-  hidd_interface_t* p_hid = get_interface_by_itfnum( (uint8_t) p_request->wIndex );

-  TU_ASSERT(p_hid);

-

-  if (p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS &&

-      p_request->bRequest == HID_REQ_CONTROL_SET_REPORT)

-  {

-    // wValue = Report Type | Report ID

-    uint8_t const report_type = tu_u16_high(p_request->wValue);

-    uint8_t const report_id   = tu_u16_low(p_request->wValue);

-

-    tud_hid_set_report_cb(report_id, (hid_report_type_t) report_type, p_hid->epout_buf, p_request->wLength);

-  }

-

-  return true;

-}

-

-bool hidd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes)

-{

-  (void) result;

-

-  // TODO support multiple HID interface

-  uint8_t const itf = 0;

-  hidd_interface_t * p_hid = &_hidd_itf[itf];

-

-  if (ep_addr == p_hid->ep_out)

-  {

-    tud_hid_set_report_cb(0, HID_REPORT_TYPE_INVALID, p_hid->epout_buf, xferred_bytes);

-    TU_ASSERT(usbd_edpt_xfer(rhport, p_hid->ep_out, p_hid->epout_buf, sizeof(p_hid->epout_buf)));

-  }

-

-  return true;

-}

-

-#endif

+/* 
+ * 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 (TUSB_OPT_DEVICE_ENABLED && CFG_TUD_HID)
+
+//--------------------------------------------------------------------+
+// INCLUDE
+//--------------------------------------------------------------------+
+#include "common/tusb_common.h"
+#include "hid_device.h"
+#include "device/usbd_pvt.h"
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+typedef struct
+{
+  uint8_t itf_num;
+  uint8_t ep_in;
+  uint8_t ep_out;        // optional Out endpoint
+  uint8_t boot_protocol; // Boot mouse or keyboard
+  bool    boot_mode;     // default = false (Report)
+  uint8_t idle_rate;     // up to application to handle idle rate
+  uint16_t report_desc_len;
+
+  CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_HID_BUFSIZE];
+  CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_HID_BUFSIZE];
+
+  tusb_hid_descriptor_hid_t const * hid_descriptor;
+} hidd_interface_t;
+
+CFG_TUSB_MEM_SECTION static hidd_interface_t _hidd_itf[CFG_TUD_HID];
+
+/*------------- Helpers -------------*/
+static inline hidd_interface_t* get_interface_by_itfnum(uint8_t itf_num)
+{
+  for (uint8_t i=0; i < CFG_TUD_HID; i++ )
+  {
+    if ( itf_num == _hidd_itf[i].itf_num ) return &_hidd_itf[i];
+  }
+
+  return NULL;
+}
+
+//--------------------------------------------------------------------+
+// APPLICATION API
+//--------------------------------------------------------------------+
+bool tud_hid_ready(void)
+{
+  uint8_t itf = 0;
+  uint8_t const ep_in = _hidd_itf[itf].ep_in;
+  return tud_ready() && (ep_in != 0) && usbd_edpt_ready(TUD_OPT_RHPORT, ep_in);
+}
+
+bool tud_hid_report(uint8_t report_id, void const* report, uint8_t len)
+{
+  TU_VERIFY( tud_hid_ready() );
+
+  uint8_t itf = 0;
+  hidd_interface_t * p_hid = &_hidd_itf[itf];
+
+  if (report_id)
+  {
+    len = tu_min8(len, CFG_TUD_HID_BUFSIZE-1);
+
+    p_hid->epin_buf[0] = report_id;
+    memcpy(p_hid->epin_buf+1, report, len);
+    len++;
+  }else
+  {
+    // If report id = 0, skip ID field
+    len = tu_min8(len, CFG_TUD_HID_BUFSIZE);
+    memcpy(p_hid->epin_buf, report, len);
+  }
+
+  return usbd_edpt_xfer(TUD_OPT_RHPORT, p_hid->ep_in, p_hid->epin_buf, len);
+}
+
+bool tud_hid_boot_mode(void)
+{
+  uint8_t itf = 0;
+  return _hidd_itf[itf].boot_mode;
+}
+
+//--------------------------------------------------------------------+
+// KEYBOARD API
+//--------------------------------------------------------------------+
+bool tud_hid_keyboard_report(uint8_t report_id, uint8_t modifier, uint8_t keycode[6])
+{
+  hid_keyboard_report_t report;
+
+  report.modifier = modifier;
+
+  if ( keycode )
+  {
+    memcpy(report.keycode, keycode, 6);
+  }else
+  {
+    tu_memclr(report.keycode, 6);
+  }
+
+  return tud_hid_report(report_id, &report, sizeof(report));
+}
+
+//--------------------------------------------------------------------+
+// MOUSE APPLICATION API
+//--------------------------------------------------------------------+
+bool tud_hid_mouse_report(uint8_t report_id, uint8_t buttons, int8_t x, int8_t y, int8_t vertical, int8_t horizontal)
+{
+  hid_mouse_report_t report =
+  {
+    .buttons = buttons,
+    .x       = x,
+    .y       = y,
+    .wheel   = vertical,
+    .pan     = horizontal
+  };
+
+  return tud_hid_report(report_id, &report, sizeof(report));
+}
+
+//--------------------------------------------------------------------+
+// USBD-CLASS API
+//--------------------------------------------------------------------+
+void hidd_init(void)
+{
+  hidd_reset(TUD_OPT_RHPORT);
+}
+
+void hidd_reset(uint8_t rhport)
+{
+  (void) rhport;
+  tu_memclr(_hidd_itf, sizeof(_hidd_itf));
+}
+
+bool hidd_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, uint16_t *p_len)
+{
+  uint8_t const *p_desc = (uint8_t const *) desc_itf;
+
+  // TODO support multiple HID interface
+  uint8_t const itf = 0;
+  hidd_interface_t * p_hid = &_hidd_itf[itf];
+
+  //------------- HID descriptor -------------//
+  p_desc = tu_desc_next(p_desc);
+  p_hid->hid_descriptor = (tusb_hid_descriptor_hid_t const *) p_desc;
+  TU_ASSERT(HID_DESC_TYPE_HID == p_hid->hid_descriptor->bDescriptorType);
+
+  //------------- Endpoint Descriptor -------------//
+  p_desc = tu_desc_next(p_desc);
+  TU_ASSERT(usbd_open_edpt_pair(rhport, p_desc, desc_itf->bNumEndpoints, TUSB_XFER_INTERRUPT, &p_hid->ep_out, &p_hid->ep_in));
+
+  if ( desc_itf->bInterfaceSubClass == HID_SUBCLASS_BOOT ) p_hid->boot_protocol = desc_itf->bInterfaceProtocol;
+
+  p_hid->boot_mode = false; // default mode is REPORT
+  p_hid->itf_num   = desc_itf->bInterfaceNumber;
+  memcpy(&p_hid->report_desc_len, &(p_hid->hid_descriptor->wReportLength), 2);
+
+  *p_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) + desc_itf->bNumEndpoints*sizeof(tusb_desc_endpoint_t);
+
+  // Prepare for output endpoint
+  if (p_hid->ep_out) TU_ASSERT(usbd_edpt_xfer(rhport, p_hid->ep_out, p_hid->epout_buf, sizeof(p_hid->epout_buf)));
+
+  return true;
+}
+
+// Handle class control request
+// return false to stall control endpoint (e.g unsupported request)
+bool hidd_control_request(uint8_t rhport, tusb_control_request_t const * p_request)
+{
+  if (p_request->bmRequestType_bit.recipient != TUSB_REQ_RCPT_INTERFACE)
+  {
+    return false;
+  }
+  hidd_interface_t* p_hid = get_interface_by_itfnum( (uint8_t) p_request->wIndex );
+  TU_ASSERT(p_hid);
+
+  if (p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_STANDARD)
+  {
+    //------------- STD Request -------------//
+    uint8_t const desc_type  = tu_u16_high(p_request->wValue);
+    uint8_t const desc_index = tu_u16_low (p_request->wValue);
+    (void) desc_index;
+
+    if (p_request->bRequest == TUSB_REQ_GET_DESCRIPTOR && desc_type == HID_DESC_TYPE_HID)
+    {
+      TU_VERIFY(p_hid->hid_descriptor != NULL);
+      TU_VERIFY(tud_control_xfer(rhport, p_request, (void*) p_hid->hid_descriptor, p_hid->hid_descriptor->bLength));
+    }
+    else if (p_request->bRequest == TUSB_REQ_GET_DESCRIPTOR && desc_type == HID_DESC_TYPE_REPORT)
+    {
+      uint8_t const * desc_report = tud_hid_descriptor_report_cb();
+      tud_control_xfer(rhport, p_request, (void*) desc_report, p_hid->report_desc_len);
+    }
+    else
+    {
+      return false; // stall unsupported request
+    }
+  }
+  else if (p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS)
+  {
+    //------------- Class Specific Request -------------//
+    switch( p_request->bRequest )
+    {
+      case HID_REQ_CONTROL_GET_REPORT:
+      {
+        // wValue = Report Type | Report ID
+        uint8_t const report_type = tu_u16_high(p_request->wValue);
+        uint8_t const report_id   = tu_u16_low(p_request->wValue);
+
+        uint16_t xferlen  = tud_hid_get_report_cb(report_id, (hid_report_type_t) report_type, p_hid->epin_buf, p_request->wLength);
+        TU_ASSERT( xferlen > 0 );
+
+        tud_control_xfer(rhport, p_request, p_hid->epin_buf, xferlen);
+      }
+      break;
+
+      case  HID_REQ_CONTROL_SET_REPORT:
+        TU_VERIFY(p_request->wLength <= sizeof(p_hid->epout_buf));
+        tud_control_xfer(rhport, p_request, p_hid->epout_buf, p_request->wLength);
+      break;
+
+      case HID_REQ_CONTROL_SET_IDLE:
+        p_hid->idle_rate = tu_u16_high(p_request->wValue);
+        if ( tud_hid_set_idle_cb )
+        {
+          // stall request if callback return false
+          if ( !tud_hid_set_idle_cb(p_hid->idle_rate) ) return false;
+        }
+
+        tud_control_status(rhport, p_request);
+      break;
+
+      case HID_REQ_CONTROL_GET_IDLE:
+        // TODO idle rate of report
+        tud_control_xfer(rhport, p_request, &p_hid->idle_rate, 1);
+      break;
+
+      case HID_REQ_CONTROL_GET_PROTOCOL:
+      {
+        uint8_t protocol = (uint8_t)(1-p_hid->boot_mode);   // 0 is Boot, 1 is Report protocol
+        tud_control_xfer(rhport, p_request, &protocol, 1);
+      }
+      break;
+
+      case HID_REQ_CONTROL_SET_PROTOCOL:
+        p_hid->boot_mode = 1 - p_request->wValue; // 0 is Boot, 1 is Report protocol
+
+        if (tud_hid_boot_mode_cb) tud_hid_boot_mode_cb(p_hid->boot_mode);
+
+        tud_control_status(rhport, p_request);
+      break;
+
+      default: return false; // stall unsupported request
+    }
+  }else
+  {
+    return false; // stall unsupported request
+  }
+
+  return true;
+}
+
+// Invoked when class request DATA stage is finished.
+// return false to stall control endpoint (e.g Host send non-sense DATA)
+bool hidd_control_complete(uint8_t rhport, tusb_control_request_t const * p_request)
+{
+  (void) rhport;
+  hidd_interface_t* p_hid = get_interface_by_itfnum( (uint8_t) p_request->wIndex );
+  TU_ASSERT(p_hid);
+
+  if (p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS &&
+      p_request->bRequest == HID_REQ_CONTROL_SET_REPORT)
+  {
+    // wValue = Report Type | Report ID
+    uint8_t const report_type = tu_u16_high(p_request->wValue);
+    uint8_t const report_id   = tu_u16_low(p_request->wValue);
+
+    tud_hid_set_report_cb(report_id, (hid_report_type_t) report_type, p_hid->epout_buf, p_request->wLength);
+  }
+
+  return true;
+}
+
+bool hidd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes)
+{
+  (void) result;
+
+  // TODO support multiple HID interface
+  uint8_t const itf = 0;
+  hidd_interface_t * p_hid = &_hidd_itf[itf];
+
+  if (ep_addr == p_hid->ep_out)
+  {
+    tud_hid_set_report_cb(0, HID_REPORT_TYPE_INVALID, p_hid->epout_buf, xferred_bytes);
+    TU_ASSERT(usbd_edpt_xfer(rhport, p_hid->ep_out, p_hid->epout_buf, sizeof(p_hid->epout_buf)));
+  }
+
+  return true;
+}
+
+#endif