remove tinyusb directory

1 files changed, 0 insertions, 1353 deletions

diff --git a/tinyusb/src/device/usbd.c b/tinyusb/src/device/usbd.c
deleted file mode 100755
index e12dafcf..00000000
--- a/tinyusb/src/device/usbd.c
+++ /dev/null
@@ -1,1353 +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 TUSB_OPT_DEVICE_ENABLED
-
-#include "tusb.h"
-#include "device/usbd.h"
-#include "device/usbd_pvt.h"
-#include "device/dcd.h"
-
-//--------------------------------------------------------------------+
-// USBD Configuration
-//--------------------------------------------------------------------+
-
-// Debug level of USBD
-#define USBD_DBG_LVL   2
-
-#ifndef CFG_TUD_TASK_QUEUE_SZ
-  #define CFG_TUD_TASK_QUEUE_SZ   16
-#endif
-
-//--------------------------------------------------------------------+
-// Device Data
-//--------------------------------------------------------------------+
-
-// Invalid driver ID in itf2drv[] ep2drv[][] mapping
-enum { DRVID_INVALID = 0xFFu };
-
-typedef struct
-{
-  struct TU_ATTR_PACKED
-  {
-    volatile uint8_t connected    : 1;
-    volatile uint8_t addressed    : 1;
-    volatile uint8_t suspended    : 1;
-
-    uint8_t remote_wakeup_en      : 1; // enable/disable by host
-    uint8_t remote_wakeup_support : 1; // configuration descriptor's attribute
-    uint8_t self_powered          : 1; // configuration descriptor's attribute
-  };
-
-  volatile uint8_t cfg_num; // current active configuration (0x00 is not configured)
-  uint8_t speed;
-
-  uint8_t itf2drv[16];     // map interface number to driver (0xff is invalid)
-  uint8_t ep2drv[CFG_TUD_ENDPPOINT_MAX][2]; // map endpoint to driver ( 0xff is invalid )
-
-  struct TU_ATTR_PACKED
-  {
-    volatile bool busy    : 1;
-    volatile bool stalled : 1;
-    volatile bool claimed : 1;
-
-    // TODO merge ep2drv here, 4-bit should be sufficient
-  }ep_status[CFG_TUD_ENDPPOINT_MAX][2];
-
-}usbd_device_t;
-
-static usbd_device_t _usbd_dev;
-
-//--------------------------------------------------------------------+
-// Class Driver
-//--------------------------------------------------------------------+
-#if CFG_TUSB_DEBUG >= 2
-  #define DRIVER_NAME(_name)    .name = _name,
-#else
-  #define DRIVER_NAME(_name)
-#endif
-
-// Built-in class drivers
-static usbd_class_driver_t const _usbd_driver[] =
-{
-  #if CFG_TUD_CDC
-  {
-    DRIVER_NAME("CDC")
-    .init             = cdcd_init,
-    .reset            = cdcd_reset,
-    .open             = cdcd_open,
-    .control_xfer_cb  = cdcd_control_xfer_cb,
-    .xfer_cb          = cdcd_xfer_cb,
-    .sof              = NULL
-  },
-  #endif
-
-  #if CFG_TUD_MSC
-  {
-    DRIVER_NAME("MSC")
-    .init             = mscd_init,
-    .reset            = mscd_reset,
-    .open             = mscd_open,
-    .control_xfer_cb  = mscd_control_xfer_cb,
-    .xfer_cb          = mscd_xfer_cb,
-    .sof              = NULL
-  },
-  #endif
-
-  #if CFG_TUD_HID
-  {
-    DRIVER_NAME("HID")
-    .init             = hidd_init,
-    .reset            = hidd_reset,
-    .open             = hidd_open,
-    .control_xfer_cb  = hidd_control_xfer_cb,
-    .xfer_cb          = hidd_xfer_cb,
-    .sof              = NULL
-  },
-  #endif
-
-  #if CFG_TUD_AUDIO
-  {
-    DRIVER_NAME("AUDIO")
-    .init             = audiod_init,
-    .reset            = audiod_reset,
-    .open             = audiod_open,
-    .control_xfer_cb  = audiod_control_xfer_cb,
-    .xfer_cb          = audiod_xfer_cb,
-    .sof              = NULL
-  },
-  #endif
-
-  #if CFG_TUD_MIDI
-  {
-    DRIVER_NAME("MIDI")
-    .init             = midid_init,
-    .open             = midid_open,
-    .reset            = midid_reset,
-    .control_xfer_cb  = midid_control_xfer_cb,
-    .xfer_cb          = midid_xfer_cb,
-    .sof              = NULL
-  },
-  #endif
-
-  #if CFG_TUD_VENDOR
-  {
-    DRIVER_NAME("VENDOR")
-    .init             = vendord_init,
-    .reset            = vendord_reset,
-    .open             = vendord_open,
-    .control_xfer_cb  = tud_vendor_control_xfer_cb,
-    .xfer_cb          = vendord_xfer_cb,
-    .sof              = NULL
-  },
-  #endif
-
-  #if CFG_TUD_USBTMC
-  {
-    DRIVER_NAME("TMC")
-    .init             = usbtmcd_init_cb,
-    .reset            = usbtmcd_reset_cb,
-    .open             = usbtmcd_open_cb,
-    .control_xfer_cb  = usbtmcd_control_xfer_cb,
-    .xfer_cb          = usbtmcd_xfer_cb,
-    .sof              = NULL
-  },
-  #endif
-
-  #if CFG_TUD_DFU_RUNTIME
-  {
-    DRIVER_NAME("DFU-RUNTIME")
-    .init             = dfu_rtd_init,
-    .reset            = dfu_rtd_reset,
-    .open             = dfu_rtd_open,
-    .control_xfer_cb  = dfu_rtd_control_xfer_cb,
-    .xfer_cb          = NULL,
-    .sof              = NULL
-  },
-  #endif
-
-  #if CFG_TUD_DFU
-  {
-    DRIVER_NAME("DFU")
-    .init             = dfu_moded_init,
-    .reset            = dfu_moded_reset,
-    .open             = dfu_moded_open,
-    .control_xfer_cb  = dfu_moded_control_xfer_cb,
-    .xfer_cb          = NULL,
-    .sof              = NULL
-  },
-  #endif
-
-  #if CFG_TUD_NET
-  {
-    DRIVER_NAME("NET")
-    .init             = netd_init,
-    .reset            = netd_reset,
-    .open             = netd_open,
-    .control_xfer_cb  = netd_control_xfer_cb,
-    .xfer_cb          = netd_xfer_cb,
-    .sof              = NULL,
-  },
-  #endif
-
-  #if CFG_TUD_BTH
-  {
-    DRIVER_NAME("BTH")
-    .init             = btd_init,
-    .reset            = btd_reset,
-    .open             = btd_open,
-    .control_xfer_cb  = btd_control_xfer_cb,
-    .xfer_cb          = btd_xfer_cb,
-    .sof              = NULL
-  },
-  #endif
-};
-
-enum { BUILTIN_DRIVER_COUNT = TU_ARRAY_SIZE(_usbd_driver) };
-
-// Additional class drivers implemented by application
-static usbd_class_driver_t const * _app_driver = NULL;
-static uint8_t _app_driver_count = 0;
-
-// virtually joins built-in and application drivers together.
-// Application is positioned first to allow overwriting built-in ones.
-static inline usbd_class_driver_t const * get_driver(uint8_t drvid)
-{
-  // Application drivers
-  if ( usbd_app_driver_get_cb )
-  {
-    if ( drvid < _app_driver_count ) return &_app_driver[drvid];
-    drvid -= _app_driver_count;
-  }
-
-  // Built-in drivers
-  if (drvid < BUILTIN_DRIVER_COUNT) return &_usbd_driver[drvid];
-
-  return NULL;
-}
-
-#define TOTAL_DRIVER_COUNT    (_app_driver_count + BUILTIN_DRIVER_COUNT)
-
-//--------------------------------------------------------------------+
-// DCD Event
-//--------------------------------------------------------------------+
-
-static bool _usbd_initialized = false;
-
-// Event queue
-// OPT_MODE_DEVICE is used by OS NONE for mutex (disable usb isr)
-OSAL_QUEUE_DEF(OPT_MODE_DEVICE, _usbd_qdef, CFG_TUD_TASK_QUEUE_SZ, dcd_event_t);
-static osal_queue_t _usbd_q;
-
-// Mutex for claiming endpoint, only needed when using with preempted RTOS
-#if CFG_TUSB_OS != OPT_OS_NONE
-static osal_mutex_def_t _ubsd_mutexdef;
-static osal_mutex_t _usbd_mutex;
-#endif
-
-
-//--------------------------------------------------------------------+
-// Prototypes
-//--------------------------------------------------------------------+
-static bool process_control_request(uint8_t rhport, tusb_control_request_t const * p_request);
-static bool process_set_config(uint8_t rhport, uint8_t cfg_num);
-static bool process_get_descriptor(uint8_t rhport, tusb_control_request_t const * p_request);
-
-// from usbd_control.c
-void usbd_control_reset(void);
-void usbd_control_set_request(tusb_control_request_t const *request);
-void usbd_control_set_complete_callback( usbd_control_xfer_cb_t fp );
-bool usbd_control_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
-
-
-//--------------------------------------------------------------------+
-// Debug
-//--------------------------------------------------------------------+
-#if CFG_TUSB_DEBUG >= 2
-static char const* const _usbd_event_str[DCD_EVENT_COUNT] =
-{
-  "Invalid"        ,
-  "Bus Reset"      ,
-  "Unplugged"      ,
-  "SOF"            ,
-  "Suspend"        ,
-  "Resume"         ,
-  "Setup Received" ,
-  "Xfer Complete"  ,
-  "Func Call"
-};
-
-static char const* const _tusb_std_request_str[] =
-{
-  "Get Status"        ,
-  "Clear Feature"     ,
-  "Reserved"          ,
-  "Set Feature"       ,
-  "Reserved"          ,
-  "Set Address"       ,
-  "Get Descriptor"    ,
-  "Set Descriptor"    ,
-  "Get Configuration" ,
-  "Set Configuration" ,
-  "Get Interface"     ,
-  "Set Interface"     ,
-  "Synch Frame"
-};
-
-static char const* const _tusb_speed_str[] = { "Full", "Low", "High" };
-
-// for usbd_control to print the name of control complete driver
-void usbd_driver_print_control_complete_name(usbd_control_xfer_cb_t callback)
-{
-  for (uint8_t i = 0; i < TOTAL_DRIVER_COUNT; i++)
-  {
-    usbd_class_driver_t const * driver = get_driver(i);
-    if ( driver->control_xfer_cb == callback )
-    {
-      TU_LOG2("  %s control complete\r\n", driver->name);
-      return;
-    }
-  }
-}
-
-#endif
-
-//--------------------------------------------------------------------+
-// Application API
-//--------------------------------------------------------------------+
-tusb_speed_t tud_speed_get(void)
-{
-  return (tusb_speed_t) _usbd_dev.speed;
-}
-
-bool tud_connected(void)
-{
-  return _usbd_dev.connected;
-}
-
-bool tud_mounted(void)
-{
-  return _usbd_dev.cfg_num ? true : false;
-}
-
-bool tud_suspended(void)
-{
-  return _usbd_dev.suspended;
-}
-
-bool tud_remote_wakeup(void)
-{
-  // only wake up host if this feature is supported and enabled and we are suspended
-  TU_VERIFY (_usbd_dev.suspended && _usbd_dev.remote_wakeup_support && _usbd_dev.remote_wakeup_en );
-  dcd_remote_wakeup(TUD_OPT_RHPORT);
-  return true;
-}
-
-bool tud_disconnect(void)
-{
-  TU_VERIFY(dcd_disconnect);
-  dcd_disconnect(TUD_OPT_RHPORT);
-  return true;
-}
-
-bool tud_connect(void)
-{
-  TU_VERIFY(dcd_connect);
-  dcd_connect(TUD_OPT_RHPORT);
-  return true;
-}
-
-//--------------------------------------------------------------------+
-// USBD Task
-//--------------------------------------------------------------------+
-bool tud_inited(void)
-{
-  return _usbd_initialized;
-}
-
-bool tud_init (uint8_t rhport)
-{
-  // skip if already initialized
-  if (_usbd_initialized) return _usbd_initialized;
-
-  TU_LOG2("USBD init\r\n");
-
-  tu_varclr(&_usbd_dev);
-
-#if CFG_TUSB_OS != OPT_OS_NONE
-  // Init device mutex
-  _usbd_mutex = osal_mutex_create(&_ubsd_mutexdef);
-  TU_ASSERT(_usbd_mutex);
-#endif
-
-  // Init device queue & task
-  _usbd_q = osal_queue_create(&_usbd_qdef);
-  TU_ASSERT(_usbd_q);
-
-  // Get application driver if available
-  if ( usbd_app_driver_get_cb )
-  {
-    _app_driver = usbd_app_driver_get_cb(&_app_driver_count);
-  }
-
-  // Init class drivers
-  for (uint8_t i = 0; i < TOTAL_DRIVER_COUNT; i++)
-  {
-    usbd_class_driver_t const * driver = get_driver(i);
-    TU_LOG2("%s init\r\n", driver->name);
-    driver->init();
-  }
-
-  // Init device controller driver
-  dcd_init(rhport);
-  dcd_int_enable(rhport);
-
-  _usbd_initialized = true;
-
-  return true;
-}
-
-static void usbd_reset(uint8_t rhport)
-{
-  tu_varclr(&_usbd_dev);
-
-  memset(_usbd_dev.itf2drv, DRVID_INVALID, sizeof(_usbd_dev.itf2drv)); // invalid mapping
-  memset(_usbd_dev.ep2drv , DRVID_INVALID, sizeof(_usbd_dev.ep2drv )); // invalid mapping
-
-  usbd_control_reset();
-
-  for ( uint8_t i = 0; i < TOTAL_DRIVER_COUNT; i++ )
-  {
-    get_driver(i)->reset(rhport);
-  }
-}
-
-bool tud_task_event_ready(void)
-{
-  // Skip if stack is not initialized
-  if ( !tusb_inited() ) return false;
-
-  return !osal_queue_empty(_usbd_q);
-}
-
-/* USB Device Driver task
- * This top level thread manages all device controller event and delegates events to class-specific drivers.
- * This should be called periodically within the mainloop or rtos thread.
- *
-   @code
-    int main(void)
-    {
-      application_init();
-      tusb_init();
-
-      while(1) // the mainloop
-      {
-        application_code();
-        tud_task(); // tinyusb device task
-      }
-    }
-    @endcode
- */
-void tud_task (void)
-{
-  // Skip if stack is not initialized
-  if ( !tusb_inited() ) return;
-
-  // Loop until there is no more events in the queue
-  while (1)
-  {
-    dcd_event_t event;
-
-    if ( !osal_queue_receive(_usbd_q, &event) ) return;
-
-#if CFG_TUSB_DEBUG >= 2
-    if (event.event_id == DCD_EVENT_SETUP_RECEIVED) TU_LOG2("\r\n"); // extra line for setup
-    TU_LOG2("USBD %s ", event.event_id < DCD_EVENT_COUNT ? _usbd_event_str[event.event_id] : "CORRUPTED");
-#endif
-
-    switch ( event.event_id )
-    {
-      case DCD_EVENT_BUS_RESET:
-        TU_LOG2(": %s Speed\r\n", _tusb_speed_str[event.bus_reset.speed]);
-        usbd_reset(event.rhport);
-        _usbd_dev.speed = event.bus_reset.speed;
-      break;
-
-      case DCD_EVENT_UNPLUGGED:
-        TU_LOG2("\r\n");
-        usbd_reset(event.rhport);
-
-        // invoke callback
-        if (tud_umount_cb) tud_umount_cb();
-      break;
-
-      case DCD_EVENT_SETUP_RECEIVED:
-        TU_LOG2_VAR(&event.setup_received);
-        TU_LOG2("\r\n");
-
-        // Mark as connected after receiving 1st setup packet.
-        // But it is easier to set it every time instead of wasting time to check then set
-        _usbd_dev.connected = 1;
-
-        // mark both in & out control as free
-        _usbd_dev.ep_status[0][TUSB_DIR_OUT].busy = false;
-        _usbd_dev.ep_status[0][TUSB_DIR_OUT].claimed = 0;
-        _usbd_dev.ep_status[0][TUSB_DIR_IN ].busy = false;
-        _usbd_dev.ep_status[0][TUSB_DIR_IN ].claimed = 0;
-
-        // Process control request
-        if ( !process_control_request(event.rhport, &event.setup_received) )
-        {
-          TU_LOG2("  Stall EP0\r\n");
-          // Failed -> stall both control endpoint IN and OUT
-          dcd_edpt_stall(event.rhport, 0);
-          dcd_edpt_stall(event.rhport, 0 | TUSB_DIR_IN_MASK);
-        }
-      break;
-
-      case DCD_EVENT_XFER_COMPLETE:
-      {
-        // Invoke the class callback associated with the endpoint address
-        uint8_t const ep_addr = event.xfer_complete.ep_addr;
-        uint8_t const epnum   = tu_edpt_number(ep_addr);
-        uint8_t const ep_dir  = tu_edpt_dir(ep_addr);
-
-        TU_LOG2("on EP %02X with %u bytes\r\n", ep_addr, (unsigned int) event.xfer_complete.len);
-
-        _usbd_dev.ep_status[epnum][ep_dir].busy = false;
-        _usbd_dev.ep_status[epnum][ep_dir].claimed = 0;
-
-        if ( 0 == epnum )
-        {
-          usbd_control_xfer_cb(event.rhport, ep_addr, (xfer_result_t)event.xfer_complete.result, event.xfer_complete.len);
-        }
-        else
-        {
-          usbd_class_driver_t const * driver = get_driver( _usbd_dev.ep2drv[epnum][ep_dir] );
-          TU_ASSERT(driver, );
-
-          TU_LOG2("  %s xfer callback\r\n", driver->name);
-          driver->xfer_cb(event.rhport, ep_addr, (xfer_result_t)event.xfer_complete.result, event.xfer_complete.len);
-        }
-      }
-      break;
-
-      case DCD_EVENT_SUSPEND:
-        // NOTE: When plugging/unplugging device, the D+/D- state are unstable and
-        // can accidentally meet the SUSPEND condition ( Bus Idle for 3ms ), which result in a series of event
-        // e.g suspend -> resume -> unplug/plug. Skip suspend/resume if not connected
-        if ( _usbd_dev.connected )
-        {
-          TU_LOG2(": Remote Wakeup = %u\r\n", _usbd_dev.remote_wakeup_en);
-          if (tud_suspend_cb) tud_suspend_cb(_usbd_dev.remote_wakeup_en);
-        }else
-        {
-          TU_LOG2(" Skipped\r\n");
-        }
-      break;
-
-      case DCD_EVENT_RESUME:
-        if ( _usbd_dev.connected )
-        {
-          TU_LOG2("\r\n");
-          if (tud_resume_cb) tud_resume_cb();
-        }else
-        {
-          TU_LOG2(" Skipped\r\n");
-        }
-      break;
-
-      case DCD_EVENT_SOF:
-        TU_LOG2("\r\n");
-        for ( uint8_t i = 0; i < TOTAL_DRIVER_COUNT; i++ )
-        {
-          usbd_class_driver_t const * driver = get_driver(i);
-          if ( driver->sof ) driver->sof(event.rhport);
-        }
-      break;
-
-      case USBD_EVENT_FUNC_CALL:
-        TU_LOG2("\r\n");
-        if ( event.func_call.func ) event.func_call.func(event.func_call.param);
-      break;
-
-      default:
-        TU_BREAKPOINT();
-      break;
-    }
-  }
-}
-
-//--------------------------------------------------------------------+
-// Control Request Parser & Handling
-//--------------------------------------------------------------------+
-
-// Helper to invoke class driver control request handler
-static bool invoke_class_control(uint8_t rhport, usbd_class_driver_t const * driver, tusb_control_request_t const * request)
-{
-  usbd_control_set_complete_callback(driver->control_xfer_cb);
-  TU_LOG2("  %s control request\r\n", driver->name);
-  return driver->control_xfer_cb(rhport, CONTROL_STAGE_SETUP, request);
-}
-
-// This handles the actual request and its response.
-// return false will cause its caller to stall control endpoint
-static bool process_control_request(uint8_t rhport, tusb_control_request_t const * p_request)
-{
-  usbd_control_set_complete_callback(NULL);
-
-  TU_ASSERT(p_request->bmRequestType_bit.type < TUSB_REQ_TYPE_INVALID);
-
-  // Vendor request
-  if ( p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_VENDOR )
-  {
-    TU_VERIFY(tud_vendor_control_xfer_cb);
-
-    usbd_control_set_complete_callback(tud_vendor_control_xfer_cb);
-    return tud_vendor_control_xfer_cb(rhport, CONTROL_STAGE_SETUP, p_request);
-  }
-
-#if CFG_TUSB_DEBUG >= 2
-  if (TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type && p_request->bRequest <= TUSB_REQ_SYNCH_FRAME)
-  {
-    TU_LOG2("  %s", _tusb_std_request_str[p_request->bRequest]);
-    if (TUSB_REQ_GET_DESCRIPTOR != p_request->bRequest) TU_LOG2("\r\n");
-  }
-#endif
-
-  switch ( p_request->bmRequestType_bit.recipient )
-  {
-    //------------- Device Requests e.g in enumeration -------------//
-    case TUSB_REQ_RCPT_DEVICE:
-      if ( TUSB_REQ_TYPE_CLASS == p_request->bmRequestType_bit.type )
-      {
-        uint8_t const itf = tu_u16_low(p_request->wIndex);
-        TU_VERIFY(itf < TU_ARRAY_SIZE(_usbd_dev.itf2drv));
-
-        usbd_class_driver_t const * driver = get_driver(_usbd_dev.itf2drv[itf]);
-        TU_VERIFY(driver);
-
-        // forward to class driver: "non-STD request to Interface"
-        return invoke_class_control(rhport, driver, p_request);
-      }
-
-      if ( TUSB_REQ_TYPE_STANDARD != p_request->bmRequestType_bit.type )
-      {
-        // Non standard request is not supported
-        TU_BREAKPOINT();
-        return false;
-      }
-
-      switch ( p_request->bRequest )
-      {
-        case TUSB_REQ_SET_ADDRESS:
-          // Depending on mcu, status phase could be sent either before or after changing device address,
-          // or even require stack to not response with status at all
-          // Therefore DCD must take full responsibility to response and include zlp status packet if needed.
-          usbd_control_set_request(p_request); // set request since DCD has no access to tud_control_status() API
-          dcd_set_address(rhport, (uint8_t) p_request->wValue);
-          // skip tud_control_status()
-          _usbd_dev.addressed = 1;
-        break;
-
-        case TUSB_REQ_GET_CONFIGURATION:
-        {
-          uint8_t cfg_num = _usbd_dev.cfg_num;
-          tud_control_xfer(rhport, p_request, &cfg_num, 1);
-        }
-        break;
-
-        case TUSB_REQ_SET_CONFIGURATION:
-        {
-          uint8_t const cfg_num = (uint8_t) p_request->wValue;
-
-          if ( !_usbd_dev.cfg_num && cfg_num ) TU_ASSERT( process_set_config(rhport, cfg_num) );
-          _usbd_dev.cfg_num = cfg_num;
-
-          tud_control_status(rhport, p_request);
-        }
-        break;
-
-        case TUSB_REQ_GET_DESCRIPTOR:
-          TU_VERIFY( process_get_descriptor(rhport, p_request) );
-        break;
-
-        case TUSB_REQ_SET_FEATURE:
-          // Only support remote wakeup for device feature
-          TU_VERIFY(TUSB_REQ_FEATURE_REMOTE_WAKEUP == p_request->wValue);
-
-          TU_LOG(USBD_DBG_LVL, "    Enable Remote Wakeup\r\n");
-
-          // Host may enable remote wake up before suspending especially HID device
-          _usbd_dev.remote_wakeup_en = true;
-          tud_control_status(rhport, p_request);
-        break;
-
-        case TUSB_REQ_CLEAR_FEATURE:
-          // Only support remote wakeup for device feature
-          TU_VERIFY(TUSB_REQ_FEATURE_REMOTE_WAKEUP == p_request->wValue);
-
-          TU_LOG(USBD_DBG_LVL, "    Disable Remote Wakeup\r\n");
-
-          // Host may disable remote wake up after resuming
-          _usbd_dev.remote_wakeup_en = false;
-          tud_control_status(rhport, p_request);
-        break;
-
-        case TUSB_REQ_GET_STATUS:
-        {
-          // Device status bit mask
-          // - Bit 0: Self Powered
-          // - Bit 1: Remote Wakeup enabled
-          uint16_t status = (_usbd_dev.self_powered ? 1 : 0) | (_usbd_dev.remote_wakeup_en ? 2 : 0);
-          tud_control_xfer(rhport, p_request, &status, 2);
-        }
-        break;
-
-        // Unknown/Unsupported request
-        default: TU_BREAKPOINT(); return false;
-      }
-    break;
-
-    //------------- Class/Interface Specific Request -------------//
-    case TUSB_REQ_RCPT_INTERFACE:
-    {
-      uint8_t const itf = tu_u16_low(p_request->wIndex);
-      TU_VERIFY(itf < TU_ARRAY_SIZE(_usbd_dev.itf2drv));
-
-      usbd_class_driver_t const * driver = get_driver(_usbd_dev.itf2drv[itf]);
-      TU_VERIFY(driver);
-
-      // all requests to Interface (STD or Class) is forwarded to class driver.
-      // notable requests are: GET HID REPORT DESCRIPTOR, SET_INTERFACE, GET_INTERFACE
-      if ( !invoke_class_control(rhport, driver, p_request) )
-      {
-        // For GET_INTERFACE and SET_INTERFACE, it is mandatory to respond even if the class
-        // driver doesn't use alternate settings or implement this
-        TU_VERIFY(TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type);
-
-        if (TUSB_REQ_GET_INTERFACE == p_request->bRequest)
-        {
-          uint8_t alternate = 0;
-          tud_control_xfer(rhport, p_request, &alternate, 1);
-        }else if (TUSB_REQ_SET_INTERFACE == p_request->bRequest)
-        {
-          tud_control_status(rhport, p_request);
-        } else
-        {
-          return false;
-        }
-      }
-    }
-    break;
-
-    //------------- Endpoint Request -------------//
-    case TUSB_REQ_RCPT_ENDPOINT:
-    {
-      uint8_t const ep_addr = tu_u16_low(p_request->wIndex);
-      uint8_t const ep_num  = tu_edpt_number(ep_addr);
-      uint8_t const ep_dir  = tu_edpt_dir(ep_addr);
-
-      TU_ASSERT(ep_num < TU_ARRAY_SIZE(_usbd_dev.ep2drv) );
-
-      usbd_class_driver_t const * driver = get_driver(_usbd_dev.ep2drv[ep_num][ep_dir]);
-
-      if ( TUSB_REQ_TYPE_STANDARD != p_request->bmRequestType_bit.type )
-      {
-        // Forward class request to its driver
-        TU_VERIFY(driver);
-        return invoke_class_control(rhport, driver, p_request);
-      }
-      else
-      {
-        // Handle STD request to endpoint
-        switch ( p_request->bRequest )
-        {
-          case TUSB_REQ_GET_STATUS:
-          {
-            uint16_t status = usbd_edpt_stalled(rhport, ep_addr) ? 0x0001 : 0x0000;
-            tud_control_xfer(rhport, p_request, &status, 2);
-          }
-          break;
-
-          case TUSB_REQ_CLEAR_FEATURE:
-          case TUSB_REQ_SET_FEATURE:
-          {
-            if ( TUSB_REQ_FEATURE_EDPT_HALT == p_request->wValue )
-            {
-              if ( TUSB_REQ_CLEAR_FEATURE ==  p_request->bRequest )
-              {
-                usbd_edpt_clear_stall(rhport, ep_addr);
-              }else
-              {
-                usbd_edpt_stall(rhport, ep_addr);
-              }
-            }
-
-            if (driver)
-            {
-              // Some classes such as USBTMC needs to clear/re-init its buffer when receiving CLEAR_FEATURE request
-              // We will also forward std request targeted endpoint to class drivers as well
-
-              // STD request must always be ACKed regardless of driver returned value
-              // Also clear complete callback if driver set since it can also stall the request.
-              (void) invoke_class_control(rhport, driver, p_request);
-              usbd_control_set_complete_callback(NULL);
-
-              // skip ZLP status if driver already did that
-              if ( !_usbd_dev.ep_status[0][TUSB_DIR_IN].busy ) tud_control_status(rhport, p_request);
-            }
-          }
-          break;
-
-          // Unknown/Unsupported request
-          default: TU_BREAKPOINT(); return false;
-        }
-      }
-    }
-    break;
-
-    // Unknown recipient
-    default: TU_BREAKPOINT(); return false;
-  }
-
-  return true;
-}
-
-// Process Set Configure Request
-// This function parse configuration descriptor & open drivers accordingly
-static bool process_set_config(uint8_t rhport, uint8_t cfg_num)
-{
-  tusb_desc_configuration_t const * desc_cfg = (tusb_desc_configuration_t const *) tud_descriptor_configuration_cb(cfg_num-1); // index is cfg_num-1
-  TU_ASSERT(desc_cfg != NULL && desc_cfg->bDescriptorType == TUSB_DESC_CONFIGURATION);
-
-  // Parse configuration descriptor
-  _usbd_dev.remote_wakeup_support = (desc_cfg->bmAttributes & TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP) ? 1 : 0;
-  _usbd_dev.self_powered = (desc_cfg->bmAttributes & TUSB_DESC_CONFIG_ATT_SELF_POWERED) ? 1 : 0;
-
-  // Parse interface descriptor
-  uint8_t const * p_desc   = ((uint8_t const*) desc_cfg) + sizeof(tusb_desc_configuration_t);
-  uint8_t const * desc_end = ((uint8_t const*) desc_cfg) + tu_le16toh(desc_cfg->wTotalLength);
-
-  while( p_desc < desc_end )
-  {
-    tusb_desc_interface_assoc_t const * desc_iad = NULL;
-
-    // Class will always starts with Interface Association (if any) and then Interface descriptor
-    if ( TUSB_DESC_INTERFACE_ASSOCIATION == tu_desc_type(p_desc) )
-    {
-      desc_iad = (tusb_desc_interface_assoc_t const *) p_desc;
-      p_desc = tu_desc_next(p_desc); // next to Interface
-    }
-
-    TU_ASSERT( TUSB_DESC_INTERFACE == tu_desc_type(p_desc) );
-
-    tusb_desc_interface_t const * desc_itf = (tusb_desc_interface_t const*) p_desc;
-    uint16_t const remaining_len = desc_end-p_desc;
-
-    // Interface number must not be used already
-    TU_ASSERT(DRVID_INVALID == _usbd_dev.itf2drv[desc_itf->bInterfaceNumber]);
-
-    // TODO usbd can calculate the total length used for driver --> driver open() does not need to calculate it
-    // uint16_t const drv_len = tu_desc_get_interface_total_len(desc_itf, desc_iad ? desc_iad->bInterfaceCount : 1, desc_end-p_desc);
-
-    // Find driver for this interface
-    uint8_t drv_id;
-    for (drv_id = 0; drv_id < TOTAL_DRIVER_COUNT; drv_id++)
-    {
-      usbd_class_driver_t const *driver = get_driver(drv_id);
-      uint16_t const drv_len = driver->open(rhport, desc_itf, remaining_len);
-
-      if ( drv_len > 0 )
-      {
-        // Open successfully, check if length is correct
-        TU_ASSERT( sizeof(tusb_desc_interface_t) <= drv_len && drv_len <= remaining_len);
-
-        TU_LOG2("  %s opened\r\n", driver->name);
-
-        // bind interface to found driver
-        _usbd_dev.itf2drv[desc_itf->bInterfaceNumber] = drv_id;
-
-        // If using IAD, bind all interfaces to the same driver
-        if (desc_iad)
-        {
-          // 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);
-
-          for(uint8_t i=1; i<desc_iad->bInterfaceCount; i++)
-          {
-            _usbd_dev.itf2drv[desc_itf->bInterfaceNumber+i] = drv_id;
-          }
-        }
-
-        // bind all endpoints to found driver
-        tu_edpt_bind_driver(_usbd_dev.ep2drv, desc_itf, drv_len, drv_id);
-
-        p_desc += drv_len; // next interface
-
-        break; // exit driver find loop
-      }
-    }
-
-    // Failed if cannot find supported driver
-    TU_ASSERT(drv_id < TOTAL_DRIVER_COUNT);
-  }
-
-  // invoke callback
-  if (tud_mount_cb) tud_mount_cb();
-
-  return true;
-}
-
-// return descriptor's buffer and update desc_len
-static bool process_get_descriptor(uint8_t rhport, tusb_control_request_t const * p_request)
-{
-  tusb_desc_type_t const desc_type = (tusb_desc_type_t) tu_u16_high(p_request->wValue);
-  uint8_t const desc_index = tu_u16_low( p_request->wValue );
-
-  switch(desc_type)
-  {
-    case TUSB_DESC_DEVICE:
-    {
-      TU_LOG2(" Device\r\n");
-
-      uint16_t len = sizeof(tusb_desc_device_t);
-
-      // Only send up to EP0 Packet Size if not addressed
-      // This only happens with the very first get device descriptor and EP0 size = 8 or 16.
-      if ((CFG_TUD_ENDPOINT0_SIZE < sizeof(tusb_desc_device_t)) && !_usbd_dev.addressed)
-      {
-        len = CFG_TUD_ENDPOINT0_SIZE;
-
-        // Hack here: we modify the request length to prevent usbd_control response with zlp
-        ((tusb_control_request_t*) p_request)->wLength = CFG_TUD_ENDPOINT0_SIZE;
-      }
-
-      return tud_control_xfer(rhport, p_request, (void*) tud_descriptor_device_cb(), len);
-    }
-    break;
-
-    case TUSB_DESC_BOS:
-    {
-      TU_LOG2(" BOS\r\n");
-
-      // requested by host if USB > 2.0 ( i.e 2.1 or 3.x )
-      if (!tud_descriptor_bos_cb) return false;
-
-      tusb_desc_bos_t const* desc_bos = (tusb_desc_bos_t const*) tud_descriptor_bos_cb();
-
-      // Use offsetof to avoid pointer to the odd/misaligned address
-      uint16_t const total_len = tu_le16toh( tu_unaligned_read16((uint8_t*) desc_bos + offsetof(tusb_desc_bos_t, wTotalLength)) );
-
-      return tud_control_xfer(rhport, p_request, (void*) desc_bos, total_len);
-    }
-    break;
-
-    case TUSB_DESC_CONFIGURATION:
-    {
-      TU_LOG2(" Configuration[%u]\r\n", desc_index);
-
-      tusb_desc_configuration_t const* desc_config = (tusb_desc_configuration_t const*) tud_descriptor_configuration_cb(desc_index);
-      TU_ASSERT(desc_config);
-
-      // Use offsetof to avoid pointer to the odd/misaligned address
-      uint16_t const total_len = tu_le16toh( tu_unaligned_read16((uint8_t*) desc_config + offsetof(tusb_desc_configuration_t, wTotalLength)) );
-
-      return tud_control_xfer(rhport, p_request, (void*) desc_config, total_len);
-    }
-    break;
-
-    case TUSB_DESC_STRING:
-    {
-      TU_LOG2(" String[%u]\r\n", desc_index);
-
-      // String Descriptor always uses the desc set from user
-      uint8_t const* desc_str = (uint8_t const*) tud_descriptor_string_cb(desc_index, p_request->wIndex);
-      TU_VERIFY(desc_str);
-
-      // first byte of descriptor is its size
-      return tud_control_xfer(rhport, p_request, (void*) desc_str, desc_str[0]);
-    }
-    break;
-
-    case TUSB_DESC_DEVICE_QUALIFIER:
-      TU_LOG2(" Device Qualifier\r\n");
-
-      // Host sends this request to ask why our device with USB BCD from 2.0
-      // but is running at Full/Low Speed. If not highspeed capable stall this request,
-      // otherwise return the descriptor that could work in highspeed mode
-      if ( tud_descriptor_device_qualifier_cb )
-      {
-        uint8_t const* desc_qualifier = tud_descriptor_device_qualifier_cb();
-        TU_ASSERT(desc_qualifier);
-
-        // first byte of descriptor is its size
-        return tud_control_xfer(rhport, p_request, (void*) desc_qualifier, desc_qualifier[0]);
-      }else
-      {
-        return false;
-      }
-    break;
-
-    case TUSB_DESC_OTHER_SPEED_CONFIG:
-      TU_LOG2(" Other Speed Configuration\r\n");
-
-      // After Device Qualifier descriptor is received host will ask for this descriptor
-      return false; // not supported
-    break;
-
-    default: return false;
-  }
-}
-
-//--------------------------------------------------------------------+
-// DCD Event Handler
-//--------------------------------------------------------------------+
-void dcd_event_handler(dcd_event_t const * event, bool in_isr)
-{
-  switch (event->event_id)
-  {
-    case DCD_EVENT_UNPLUGGED:
-      // UNPLUGGED event can be bouncing, only processing if we are currently connected
-      if ( _usbd_dev.connected )
-      {
-        _usbd_dev.connected  = 0;
-        _usbd_dev.addressed  = 0;
-        _usbd_dev.cfg_num    = 0;
-        _usbd_dev.suspended  = 0;
-        osal_queue_send(_usbd_q, event, in_isr);
-      }
-    break;
-
-    case DCD_EVENT_SUSPEND:
-      // NOTE: When plugging/unplugging device, the D+/D- state are unstable and
-      // can accidentally meet the SUSPEND condition ( Bus Idle for 3ms ).
-      // In addition, some MCUs such as SAMD or boards that haven no VBUS detection cannot distinguish
-      // suspended vs disconnected. We will skip handling SUSPEND/RESUME event if not currently connected
-      if ( _usbd_dev.connected )
-      {
-        _usbd_dev.suspended = 1;
-        osal_queue_send(_usbd_q, event, in_isr);
-      }
-    break;
-
-    case DCD_EVENT_RESUME:
-      // skip event if not connected (especially required for SAMD)
-      if ( _usbd_dev.connected )
-      {
-        _usbd_dev.suspended = 0;
-        osal_queue_send(_usbd_q, event, in_isr);
-      }
-    break;
-
-    case DCD_EVENT_SOF:
-      // Some MCUs after running dcd_remote_wakeup() does not have way to detect the end of remote wakeup
-      // which last 1-15 ms. DCD can use SOF as a clear indicator that bus is back to operational
-      if ( _usbd_dev.suspended )
-      {
-        _usbd_dev.suspended = 0;
-        dcd_event_t const event_resume = { .rhport = event->rhport, .event_id = DCD_EVENT_RESUME };
-        osal_queue_send(_usbd_q, &event_resume, in_isr);
-      }
-    break;
-
-    default:
-      osal_queue_send(_usbd_q, event, in_isr);
-    break;
-  }
-}
-
-void dcd_event_bus_signal (uint8_t rhport, dcd_eventid_t eid, bool in_isr)
-{
-  dcd_event_t event = { .rhport = rhport, .event_id = eid };
-  dcd_event_handler(&event, in_isr);
-}
-
-void dcd_event_bus_reset (uint8_t rhport, tusb_speed_t speed, bool in_isr)
-{
-  dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_BUS_RESET };
-  event.bus_reset.speed = speed;
-  dcd_event_handler(&event, in_isr);
-}
-
-void dcd_event_setup_received(uint8_t rhport, uint8_t const * setup, bool in_isr)
-{
-  dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_SETUP_RECEIVED };
-  memcpy(&event.setup_received, setup, 8);
-
-  dcd_event_handler(&event, in_isr);
-}
-
-void dcd_event_xfer_complete (uint8_t rhport, uint8_t ep_addr, uint32_t xferred_bytes, uint8_t result, bool in_isr)
-{
-  dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_XFER_COMPLETE };
-
-  event.xfer_complete.ep_addr = ep_addr;
-  event.xfer_complete.len     = xferred_bytes;
-  event.xfer_complete.result  = result;
-
-  dcd_event_handler(&event, in_isr);
-}
-
-//--------------------------------------------------------------------+
-// USBD API For Class Driver
-//--------------------------------------------------------------------+
-
-// Parse consecutive endpoint descriptors (IN & OUT)
-bool usbd_open_edpt_pair(uint8_t rhport, uint8_t const* p_desc, uint8_t ep_count, uint8_t xfer_type, uint8_t* ep_out, uint8_t* ep_in)
-{
-  for(int i=0; i<ep_count; i++)
-  {
-    tusb_desc_endpoint_t const * desc_ep = (tusb_desc_endpoint_t const *) p_desc;
-
-    TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType && xfer_type == desc_ep->bmAttributes.xfer);
-    TU_ASSERT(usbd_edpt_open(rhport, desc_ep));
-
-    if ( tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN )
-    {
-      (*ep_in) = desc_ep->bEndpointAddress;
-    }else
-    {
-      (*ep_out) = desc_ep->bEndpointAddress;
-    }
-
-    p_desc = tu_desc_next(p_desc);
-  }
-
-  return true;
-}
-
-// Helper to defer an isr function
-void usbd_defer_func(osal_task_func_t func, void* param, bool in_isr)
-{
-  dcd_event_t event =
-  {
-      .rhport   = 0,
-      .event_id = USBD_EVENT_FUNC_CALL,
-  };
-
-  event.func_call.func  = func;
-  event.func_call.param = param;
-
-  dcd_event_handler(&event, in_isr);
-}
-
-//--------------------------------------------------------------------+
-// USBD Endpoint API
-//--------------------------------------------------------------------+
-
-bool usbd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * desc_ep)
-{
-  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));
-
-  return dcd_edpt_open(rhport, desc_ep);
-}
-
-bool usbd_edpt_claim(uint8_t rhport, uint8_t ep_addr)
-{
-  (void) rhport;
-
-  // TODO add this check later, also make sure we don't starve an out endpoint while suspending
-  // TU_VERIFY(tud_ready());
-
-  uint8_t const epnum = tu_edpt_number(ep_addr);
-  uint8_t const dir   = tu_edpt_dir(ep_addr);
-
-#if CFG_TUSB_OS != OPT_OS_NONE
-  // pre-check to help reducing mutex lock
-  TU_VERIFY((_usbd_dev.ep_status[epnum][dir].busy == 0) && (_usbd_dev.ep_status[epnum][dir].claimed == 0));
-  osal_mutex_lock(_usbd_mutex, OSAL_TIMEOUT_WAIT_FOREVER);
-#endif
-
-  // can only claim the endpoint if it is not busy and not claimed yet.
-  bool const ret = (_usbd_dev.ep_status[epnum][dir].busy == 0) && (_usbd_dev.ep_status[epnum][dir].claimed == 0);
-  if (ret)
-  {
-    _usbd_dev.ep_status[epnum][dir].claimed = 1;
-  }
-
-#if CFG_TUSB_OS != OPT_OS_NONE
-  osal_mutex_unlock(_usbd_mutex);
-#endif
-
-  return ret;
-}
-
-bool usbd_edpt_release(uint8_t rhport, uint8_t ep_addr)
-{
-  (void) rhport;
-
-  uint8_t const epnum = tu_edpt_number(ep_addr);
-  uint8_t const dir   = tu_edpt_dir(ep_addr);
-
-#if CFG_TUSB_OS != OPT_OS_NONE
-  osal_mutex_lock(_usbd_mutex, OSAL_TIMEOUT_WAIT_FOREVER);
-#endif
-
-  // can only release the endpoint if it is claimed and not busy
-  bool const ret = (_usbd_dev.ep_status[epnum][dir].busy == 0) && (_usbd_dev.ep_status[epnum][dir].claimed == 1);
-  if (ret)
-  {
-    _usbd_dev.ep_status[epnum][dir].claimed = 0;
-  }
-
-#if CFG_TUSB_OS != OPT_OS_NONE
-  osal_mutex_unlock(_usbd_mutex);
-#endif
-
-  return ret;
-}
-
-bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
-{
-  uint8_t const epnum = tu_edpt_number(ep_addr);
-  uint8_t const dir   = tu_edpt_dir(ep_addr);
-
-  // TODO skip ready() check for now since enumeration also use this API
-  // TU_VERIFY(tud_ready());
-
-  TU_LOG2("  Queue EP %02X with %u bytes ...\r\n", ep_addr, total_bytes);
-
-  // Attempt to transfer on a busy endpoint, sound like an race condition !
-  TU_ASSERT(_usbd_dev.ep_status[epnum][dir].busy == 0);
-
-  // Set busy first since the actual transfer can be complete before dcd_edpt_xfer()
-  // could return and USBD task can preempt and clear the busy
-  _usbd_dev.ep_status[epnum][dir].busy = true;
-
-  if ( dcd_edpt_xfer(rhport, ep_addr, buffer, total_bytes) )
-  {
-    return true;
-  }else
-  {
-    // DCD error, mark endpoint as ready to allow next transfer
-    _usbd_dev.ep_status[epnum][dir].busy = false;
-    _usbd_dev.ep_status[epnum][dir].claimed = 0;
-    TU_LOG2("FAILED\r\n");
-    TU_BREAKPOINT();
-    return false;
-  }
-}
-
-// The number of bytes has to be given explicitly to allow more flexible control of how many
-// 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)
-{
-  uint8_t const epnum = tu_edpt_number(ep_addr);
-  uint8_t const dir   = tu_edpt_dir(ep_addr);
-
-  TU_LOG2("  Queue ISO EP %02X with %u bytes ... ", ep_addr, total_bytes);
-
-  // Attempt to transfer on a busy endpoint, sound like an race condition !
-  TU_ASSERT(_usbd_dev.ep_status[epnum][dir].busy == 0);
-
-  // Set busy first since the actual transfer can be complete before dcd_edpt_xfer() could return
-  // and usbd task can preempt and clear the busy
-  _usbd_dev.ep_status[epnum][dir].busy = true;
-
-  if (dcd_edpt_xfer_fifo(rhport, ep_addr, ff, total_bytes))
-  {
-    TU_LOG2("OK\r\n");
-    return true;
-  }else
-  {
-    // DCD error, mark endpoint as ready to allow next transfer
-    _usbd_dev.ep_status[epnum][dir].busy = false;
-    _usbd_dev.ep_status[epnum][dir].claimed = 0;
-    TU_LOG2("failed\r\n");
-    TU_BREAKPOINT();
-    return false;
-  }
-}
-
-bool usbd_edpt_busy(uint8_t rhport, uint8_t ep_addr)
-{
-  (void) rhport;
-
-  uint8_t const epnum = tu_edpt_number(ep_addr);
-  uint8_t const dir   = tu_edpt_dir(ep_addr);
-
-  return _usbd_dev.ep_status[epnum][dir].busy;
-}
-
-void usbd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
-{
-  TU_LOG(USBD_DBG_LVL, "    Stall EP %02X", ep_addr);
-
-  uint8_t const epnum = tu_edpt_number(ep_addr);
-  uint8_t const dir   = tu_edpt_dir(ep_addr);
-
-  dcd_edpt_stall(rhport, ep_addr);
-  _usbd_dev.ep_status[epnum][dir].stalled = true;
-  _usbd_dev.ep_status[epnum][dir].busy = true;
-}
-
-void usbd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
-{
-  TU_LOG(USBD_DBG_LVL, "    Clear Stall EP %02X", ep_addr);
-
-  uint8_t const epnum = tu_edpt_number(ep_addr);
-  uint8_t const dir   = tu_edpt_dir(ep_addr);
-
-
-  dcd_edpt_clear_stall(rhport, ep_addr);
-  _usbd_dev.ep_status[epnum][dir].stalled = false;
-  _usbd_dev.ep_status[epnum][dir].busy = false;
-}
-
-bool usbd_edpt_stalled(uint8_t rhport, uint8_t ep_addr)
-{
-  (void) rhport;
-
-  uint8_t const epnum = tu_edpt_number(ep_addr);
-  uint8_t const dir   = tu_edpt_dir(ep_addr);
-
-  return _usbd_dev.ep_status[epnum][dir].stalled;
-}
-
-/**
- * usbd_edpt_close will disable an endpoint.
- *
- * In progress transfers on this EP may be delivered after this call.
- *
- */
-void usbd_edpt_close(uint8_t rhport, uint8_t ep_addr)
-{
-  TU_ASSERT(dcd_edpt_close, /**/);
-  TU_LOG2("  CLOSING Endpoint: 0x%02X\r\n", ep_addr);
-
-  dcd_edpt_close(rhport, ep_addr);
-
-  return;
-}
-
-#endif