add tinyusb

1 files changed, 783 insertions, 0 deletions

diff --git a/tinyusb/src/device/usbd.h b/tinyusb/src/device/usbd.h
new file mode 100755
index 00000000..c85616c9
--- /dev/null
+++ b/tinyusb/src/device/usbd.h
@@ -0,0 +1,783 @@
+/*
+ * 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.
+ */
+
+#ifndef _TUSB_USBD_H_
+#define _TUSB_USBD_H_
+
+#include "common/tusb_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//--------------------------------------------------------------------+
+// Application API
+//--------------------------------------------------------------------+
+
+// Init device stack
+bool tud_init (uint8_t rhport);
+
+// Check if device stack is already initialized
+bool tud_inited(void);
+
+// Task function should be called in main/rtos loop
+void tud_task (void);
+
+// Check if there is pending events need proccessing by tud_task()
+bool tud_task_event_ready(void);
+
+// Interrupt handler, name alias to DCD
+extern void dcd_int_handler(uint8_t rhport);
+#define tud_int_handler   dcd_int_handler
+
+// Get current bus speed
+tusb_speed_t tud_speed_get(void);
+
+// Check if device is connected (may not mounted/configured yet)
+// True if just got out of Bus Reset and received the very first data from host
+bool tud_connected(void);
+
+// Check if device is connected and configured
+bool tud_mounted(void);
+
+// Check if device is suspended
+bool tud_suspended(void);
+
+// Check if device is ready to transfer
+TU_ATTR_ALWAYS_INLINE static inline
+bool tud_ready(void)
+{
+  return tud_mounted() && !tud_suspended();
+}
+
+// Remote wake up host, only if suspended and enabled by host
+bool tud_remote_wakeup(void);
+
+// Enable pull-up resistor on D+ D-
+// Return false on unsupported MCUs
+bool tud_disconnect(void);
+
+// Disable pull-up resistor on D+ D-
+// Return false on unsupported MCUs
+bool tud_connect(void);
+
+// Carry out Data and Status stage of control transfer
+// - If len = 0, it is equivalent to sending status only
+// - If len > wLength : it will be truncated
+bool tud_control_xfer(uint8_t rhport, tusb_control_request_t const * request, void* buffer, uint16_t len);
+
+// Send STATUS (zero length) packet
+bool tud_control_status(uint8_t rhport, tusb_control_request_t const * request);
+
+//--------------------------------------------------------------------+
+// Application Callbacks (WEAK is optional)
+//--------------------------------------------------------------------+
+
+// Invoked when received GET DEVICE DESCRIPTOR request
+// Application return pointer to descriptor
+uint8_t const * tud_descriptor_device_cb(void);
+
+// Invoked when received GET CONFIGURATION DESCRIPTOR request
+// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
+uint8_t const * tud_descriptor_configuration_cb(uint8_t index);
+
+// Invoked when received GET STRING DESCRIPTOR request
+// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
+uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid);
+
+// Invoked when received GET BOS DESCRIPTOR request
+// Application return pointer to descriptor
+TU_ATTR_WEAK uint8_t const * tud_descriptor_bos_cb(void);
+
+// Invoked when received GET DEVICE QUALIFIER DESCRIPTOR request
+// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
+TU_ATTR_WEAK uint8_t const* tud_descriptor_device_qualifier_cb(void);
+
+// Invoked when device is mounted (configured)
+TU_ATTR_WEAK void tud_mount_cb(void);
+
+// Invoked when device is unmounted
+TU_ATTR_WEAK void tud_umount_cb(void);
+
+// Invoked when usb bus is suspended
+// Within 7ms, device must draw an average of current less than 2.5 mA from bus
+TU_ATTR_WEAK void tud_suspend_cb(bool remote_wakeup_en);
+
+// Invoked when usb bus is resumed
+TU_ATTR_WEAK void tud_resume_cb(void);
+
+// Invoked when received control request with VENDOR TYPE
+TU_ATTR_WEAK bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
+
+//--------------------------------------------------------------------+
+// Binary Device Object Store (BOS) Descriptor Templates
+//--------------------------------------------------------------------+
+
+#define TUD_BOS_DESC_LEN      5
+
+// total length, number of device caps
+#define TUD_BOS_DESCRIPTOR(_total_len, _caps_num) \
+  5, TUSB_DESC_BOS, U16_TO_U8S_LE(_total_len), _caps_num
+
+// Device Capability Platform 128-bit UUID + Data
+#define TUD_BOS_PLATFORM_DESCRIPTOR(...) \
+  4+TU_ARGS_NUM(__VA_ARGS__), TUSB_DESC_DEVICE_CAPABILITY, DEVICE_CAPABILITY_PLATFORM, 0x00, __VA_ARGS__
+
+//------------- WebUSB BOS Platform -------------//
+
+// Descriptor Length
+#define TUD_BOS_WEBUSB_DESC_LEN         24
+
+// Vendor Code, iLandingPage
+#define TUD_BOS_WEBUSB_DESCRIPTOR(_vendor_code, _ipage) \
+  TUD_BOS_PLATFORM_DESCRIPTOR(TUD_BOS_WEBUSB_UUID, U16_TO_U8S_LE(0x0100), _vendor_code, _ipage)
+
+#define TUD_BOS_WEBUSB_UUID   \
+  0x38, 0xB6, 0x08, 0x34, 0xA9, 0x09, 0xA0, 0x47, \
+  0x8B, 0xFD, 0xA0, 0x76, 0x88, 0x15, 0xB6, 0x65
+
+//------------- Microsoft OS 2.0 Platform -------------//
+#define TUD_BOS_MICROSOFT_OS_DESC_LEN   28
+
+// Total Length of descriptor set, vendor code
+#define TUD_BOS_MS_OS_20_DESCRIPTOR(_desc_set_len, _vendor_code) \
+  TUD_BOS_PLATFORM_DESCRIPTOR(TUD_BOS_MS_OS_20_UUID, U32_TO_U8S_LE(0x06030000), U16_TO_U8S_LE(_desc_set_len), _vendor_code, 0)
+
+#define TUD_BOS_MS_OS_20_UUID \
+    0xDF, 0x60, 0xDD, 0xD8, 0x89, 0x45, 0xC7, 0x4C, \
+  0x9C, 0xD2, 0x65, 0x9D, 0x9E, 0x64, 0x8A, 0x9F
+
+//--------------------------------------------------------------------+
+// Configuration & Interface Descriptor Templates
+//--------------------------------------------------------------------+
+
+//------------- Configuration -------------//
+#define TUD_CONFIG_DESC_LEN   (9)
+
+// Config number, interface count, string index, total length, attribute, power in mA
+#define TUD_CONFIG_DESCRIPTOR(config_num, _itfcount, _stridx, _total_len, _attribute, _power_ma) \
+  9, TUSB_DESC_CONFIGURATION, U16_TO_U8S_LE(_total_len), _itfcount, config_num, _stridx, TU_BIT(7) | _attribute, (_power_ma)/2
+
+//------------- CDC -------------//
+
+// Length of template descriptor: 66 bytes
+#define TUD_CDC_DESC_LEN  (8+9+5+5+4+5+7+9+7+7)
+
+// CDC Descriptor Template
+// Interface number, string index, EP notification address and size, EP data address (out, in) and size.
+#define TUD_CDC_DESCRIPTOR(_itfnum, _stridx, _ep_notif, _ep_notif_size, _epout, _epin, _epsize) \
+  /* Interface Associate */\
+  8, TUSB_DESC_INTERFACE_ASSOCIATION, _itfnum, 2, TUSB_CLASS_CDC, CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL, CDC_COMM_PROTOCOL_NONE, 0,\
+  /* CDC Control Interface */\
+  9, TUSB_DESC_INTERFACE, _itfnum, 0, 1, TUSB_CLASS_CDC, CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL, CDC_COMM_PROTOCOL_NONE, _stridx,\
+  /* CDC Header */\
+  5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_HEADER, U16_TO_U8S_LE(0x0120),\
+  /* CDC Call */\
+  5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_CALL_MANAGEMENT, 0, (uint8_t)((_itfnum) + 1),\
+  /* CDC ACM: support line request */\
+  4, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT, 2,\
+  /* CDC Union */\
+  5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_UNION, _itfnum, (uint8_t)((_itfnum) + 1),\
+  /* Endpoint Notification */\
+  7, TUSB_DESC_ENDPOINT, _ep_notif, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_ep_notif_size), 16,\
+  /* CDC Data Interface */\
+  9, TUSB_DESC_INTERFACE, (uint8_t)((_itfnum)+1), 0, 2, TUSB_CLASS_CDC_DATA, 0, 0, 0,\
+  /* Endpoint Out */\
+  7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0,\
+  /* Endpoint In */\
+  7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0
+
+//------------- MSC -------------//
+
+// Length of template descriptor: 23 bytes
+#define TUD_MSC_DESC_LEN    (9 + 7 + 7)
+
+// Interface number, string index, EP Out & EP In address, EP size
+#define TUD_MSC_DESCRIPTOR(_itfnum, _stridx, _epout, _epin, _epsize) \
+  /* Interface */\
+  9, TUSB_DESC_INTERFACE, _itfnum, 0, 2, TUSB_CLASS_MSC, MSC_SUBCLASS_SCSI, MSC_PROTOCOL_BOT, _stridx,\
+  /* Endpoint Out */\
+  7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0,\
+  /* Endpoint In */\
+  7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0
+
+//------------- HID -------------//
+
+// Length of template descriptor: 25 bytes
+#define TUD_HID_DESC_LEN    (9 + 9 + 7)
+
+// HID Input only descriptor
+// Interface number, string index, protocol, report descriptor len, EP In address, size & polling interval
+#define TUD_HID_DESCRIPTOR(_itfnum, _stridx, _boot_protocol, _report_desc_len, _epin, _epsize, _ep_interval) \
+  /* Interface */\
+  9, TUSB_DESC_INTERFACE, _itfnum, 0, 1, TUSB_CLASS_HID, (uint8_t)((_boot_protocol) ? (uint8_t)HID_SUBCLASS_BOOT : 0), _boot_protocol, _stridx,\
+  /* HID descriptor */\
+  9, HID_DESC_TYPE_HID, U16_TO_U8S_LE(0x0111), 0, 1, HID_DESC_TYPE_REPORT, U16_TO_U8S_LE(_report_desc_len),\
+  /* Endpoint In */\
+  7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_epsize), _ep_interval
+
+// Length of template descriptor: 32 bytes
+#define TUD_HID_INOUT_DESC_LEN    (9 + 9 + 7 + 7)
+
+// HID Input & Output descriptor
+// Interface number, string index, protocol, report descriptor len, EP OUT & IN address, size & polling interval
+#define TUD_HID_INOUT_DESCRIPTOR(_itfnum, _stridx, _boot_protocol, _report_desc_len, _epout, _epin, _epsize, _ep_interval) \
+  /* Interface */\
+  9, TUSB_DESC_INTERFACE, _itfnum, 0, 2, TUSB_CLASS_HID, (uint8_t)((_boot_protocol) ? (uint8_t)HID_SUBCLASS_BOOT : 0), _boot_protocol, _stridx,\
+  /* HID descriptor */\
+  9, HID_DESC_TYPE_HID, U16_TO_U8S_LE(0x0111), 0, 1, HID_DESC_TYPE_REPORT, U16_TO_U8S_LE(_report_desc_len),\
+  /* Endpoint Out */\
+  7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_epsize), _ep_interval, \
+  /* Endpoint In */\
+  7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_epsize), _ep_interval
+
+//------------- MIDI -------------//
+// MIDI v1.0 is based on Audio v1.0
+
+#define TUD_MIDI_DESC_HEAD_LEN (9 + 9 + 9 + 7)
+#define TUD_MIDI_DESC_HEAD(_itfnum,  _stridx, _numcables) \
+  /* Audio Control (AC) Interface */\
+  9, TUSB_DESC_INTERFACE, _itfnum, 0, 0, TUSB_CLASS_AUDIO, AUDIO_SUBCLASS_CONTROL, AUDIO_FUNC_PROTOCOL_CODE_UNDEF, _stridx,\
+  /* AC Header */\
+  9, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AC_INTERFACE_HEADER, U16_TO_U8S_LE(0x0100), U16_TO_U8S_LE(0x0009), 1, (uint8_t)((_itfnum) + 1),\
+  /* MIDI Streaming (MS) Interface */\
+  9, TUSB_DESC_INTERFACE, (uint8_t)((_itfnum) + 1), 0, 2, TUSB_CLASS_AUDIO, AUDIO_SUBCLASS_MIDI_STREAMING, AUDIO_FUNC_PROTOCOL_CODE_UNDEF, 0,\
+  /* MS Header */\
+  7, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_HEADER, U16_TO_U8S_LE(0x0100), U16_TO_U8S_LE(7 + (_numcables) * TUD_MIDI_DESC_JACK_LEN)
+
+#define TUD_MIDI_JACKID_IN_EMB(_cablenum) \
+  (uint8_t)(((_cablenum) - 1) * 4 + 1)
+
+#define TUD_MIDI_JACKID_IN_EXT(_cablenum) \
+  (uint8_t)(((_cablenum) - 1) * 4 + 2)
+
+#define TUD_MIDI_JACKID_OUT_EMB(_cablenum) \
+  (uint8_t)(((_cablenum) - 1) * 4 + 3)
+
+#define TUD_MIDI_JACKID_OUT_EXT(_cablenum) \
+  (uint8_t)(((_cablenum) - 1) * 4 + 4)
+
+#define TUD_MIDI_DESC_JACK_LEN (6 + 6 + 9 + 9)
+#define TUD_MIDI_DESC_JACK(_cablenum) \
+  /* MS In Jack (Embedded) */\
+  6, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_IN_JACK, MIDI_JACK_EMBEDDED, TUD_MIDI_JACKID_IN_EMB(_cablenum), 0,\
+  /* MS In Jack (External) */\
+  6, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_IN_JACK, MIDI_JACK_EXTERNAL, TUD_MIDI_JACKID_IN_EXT(_cablenum), 0,\
+  /* MS Out Jack (Embedded), connected to In Jack External */\
+  9, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_OUT_JACK, MIDI_JACK_EMBEDDED, TUD_MIDI_JACKID_OUT_EMB(_cablenum), 1, TUD_MIDI_JACKID_IN_EXT(_cablenum), 1, 0,\
+  /* MS Out Jack (External), connected to In Jack Embedded */\
+  9, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_OUT_JACK, MIDI_JACK_EXTERNAL, TUD_MIDI_JACKID_OUT_EXT(_cablenum), 1, TUD_MIDI_JACKID_IN_EMB(_cablenum), 1, 0
+
+#define TUD_MIDI_DESC_EP_LEN(_numcables) (9 + 4 + (_numcables))
+#define TUD_MIDI_DESC_EP(_epout, _epsize, _numcables) \
+  /* Endpoint: Note Audio v1.0's endpoint has 9 bytes instead of 7 */\
+  9, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0, 0, 0, \
+  /* MS Endpoint (connected to embedded jack) */\
+  (uint8_t)(4 + (_numcables)), TUSB_DESC_CS_ENDPOINT, MIDI_CS_ENDPOINT_GENERAL, _numcables
+
+// Length of template descriptor (88 bytes)
+#define TUD_MIDI_DESC_LEN (TUD_MIDI_DESC_HEAD_LEN + TUD_MIDI_DESC_JACK_LEN + TUD_MIDI_DESC_EP_LEN(1) * 2)
+
+// MIDI simple descriptor
+// - 1 Embedded Jack In connected to 1 External Jack Out
+// - 1 Embedded Jack out connected to 1 External Jack In
+#define TUD_MIDI_DESCRIPTOR(_itfnum, _stridx, _epout, _epin, _epsize) \
+  TUD_MIDI_DESC_HEAD(_itfnum, _stridx, 1),\
+  TUD_MIDI_DESC_JACK(1),\
+  TUD_MIDI_DESC_EP(_epout, _epsize, 1),\
+  TUD_MIDI_JACKID_IN_EMB(1),\
+  TUD_MIDI_DESC_EP(_epin, _epsize, 1),\
+  TUD_MIDI_JACKID_OUT_EMB(1)
+
+//------------- AUDIO -------------//
+
+/* Standard Interface Association Descriptor (IAD) */
+#define TUD_AUDIO_DESC_IAD_LEN 8
+#define TUD_AUDIO_DESC_IAD(_firstitfs, _nitfs, _stridx) \
+  TUD_AUDIO_DESC_IAD_LEN, TUSB_DESC_INTERFACE_ASSOCIATION, _firstitfs, _nitfs, TUSB_CLASS_AUDIO, AUDIO_FUNCTION_SUBCLASS_UNDEFINED, AUDIO_FUNC_PROTOCOL_CODE_V2, _stridx
+
+/* Standard AC Interface Descriptor(4.7.1) */
+#define TUD_AUDIO_DESC_STD_AC_LEN 9
+#define TUD_AUDIO_DESC_STD_AC(_itfnum, _nEPs, _stridx) /* _nEPs is 0 or 1 */\
+  TUD_AUDIO_DESC_STD_AC_LEN, TUSB_DESC_INTERFACE, _itfnum, /* fixed to zero */ 0x00, _nEPs, TUSB_CLASS_AUDIO, AUDIO_SUBCLASS_CONTROL, AUDIO_INT_PROTOCOL_CODE_V2, _stridx
+
+/* Class-Specific AC Interface Header Descriptor(4.7.2) */
+#define TUD_AUDIO_DESC_CS_AC_LEN 9
+#define TUD_AUDIO_DESC_CS_AC(_bcdADC, _category, _totallen, _ctrl) /* _bcdADC : Audio Device Class Specification Release Number in Binary-Coded Decimal, _category : see audio_function_t, _totallen : Total number of bytes returned for the class-specific AudioControl interface i.e. Clock Source, Unit and Terminal descriptors - Do not include TUD_AUDIO_DESC_CS_AC_LEN, we already do this here*/ \
+  TUD_AUDIO_DESC_CS_AC_LEN, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AC_INTERFACE_HEADER, U16_TO_U8S_LE(_bcdADC), _category, U16_TO_U8S_LE(_totallen + TUD_AUDIO_DESC_CS_AC_LEN), _ctrl
+
+/* Clock Source Descriptor(4.7.2.1) */
+#define TUD_AUDIO_DESC_CLK_SRC_LEN 8
+#define TUD_AUDIO_DESC_CLK_SRC(_clkid, _attr, _ctrl, _assocTerm, _stridx) \
+  TUD_AUDIO_DESC_CLK_SRC_LEN, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AC_INTERFACE_CLOCK_SOURCE, _clkid, _attr, _ctrl, _assocTerm, _stridx
+
+/* Input Terminal Descriptor(4.7.2.4) */
+#define TUD_AUDIO_DESC_INPUT_TERM_LEN 17
+#define TUD_AUDIO_DESC_INPUT_TERM(_termid, _termtype, _assocTerm, _clkid, _nchannelslogical, _channelcfg, _idxchannelnames, _ctrl, _stridx) \
+  TUD_AUDIO_DESC_INPUT_TERM_LEN, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AC_INTERFACE_INPUT_TERMINAL, _termid, U16_TO_U8S_LE(_termtype), _assocTerm, _clkid, _nchannelslogical, U32_TO_U8S_LE(_channelcfg), _idxchannelnames, U16_TO_U8S_LE(_ctrl), _stridx
+
+/* Output Terminal Descriptor(4.7.2.5) */
+#define TUD_AUDIO_DESC_OUTPUT_TERM_LEN 12
+#define TUD_AUDIO_DESC_OUTPUT_TERM(_termid, _termtype, _assocTerm, _srcid, _clkid, _ctrl, _stridx) \
+  TUD_AUDIO_DESC_OUTPUT_TERM_LEN, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AC_INTERFACE_OUTPUT_TERMINAL, _termid, U16_TO_U8S_LE(_termtype), _assocTerm, _srcid, _clkid, U16_TO_U8S_LE(_ctrl), _stridx
+
+/* Feature Unit Descriptor(4.7.2.8) */
+// 1 - Channel
+#define TUD_AUDIO_DESC_FEATURE_UNIT_ONE_CHANNEL_LEN 6+(1+1)*4
+#define TUD_AUDIO_DESC_FEATURE_UNIT_ONE_CHANNEL(_unitid, _srcid, _ctrlch0master, _ctrlch1, _stridx) \
+  TUD_AUDIO_DESC_FEATURE_UNIT_ONE_CHANNEL_LEN, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AC_INTERFACE_FEATURE_UNIT, _unitid, _srcid, U32_TO_U8S_LE(_ctrlch0master), U32_TO_U8S_LE(_ctrlch1), _stridx
+
+// 2 - Channels
+#define TUD_AUDIO_DESC_FEATURE_UNIT_TWO_CHANNEL_LEN (6+(2+1)*4)
+#define TUD_AUDIO_DESC_FEATURE_UNIT_TWO_CHANNEL(_unitid, _srcid, _ctrlch0master, _ctrlch1, _ctrlch2, _stridx) \
+		TUD_AUDIO_DESC_FEATURE_UNIT_TWO_CHANNEL_LEN, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AC_INTERFACE_FEATURE_UNIT, _unitid, _srcid, U32_TO_U8S_LE(_ctrlch0master), U32_TO_U8S_LE(_ctrlch1), U32_TO_U8S_LE(_ctrlch2), _stridx
+// 4 - Channels
+#define TUD_AUDIO_DESC_FEATURE_UNIT_FOUR_CHANNEL_LEN (6+(4+1)*4)
+#define TUD_AUDIO_DESC_FEATURE_UNIT_FOUR_CHANNEL(_unitid, _srcid, _ctrlch0master, _ctrlch1, _ctrlch2, _ctrlch3, _ctrlch4, _stridx) \
+                    TUD_AUDIO_DESC_FEATURE_UNIT_FOUR_CHANNEL_LEN, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AC_INTERFACE_FEATURE_UNIT, _unitid, _srcid, U32_TO_U8S_LE(_ctrlch0master), U32_TO_U8S_LE(_ctrlch1), U32_TO_U8S_LE(_ctrlch2), U32_TO_U8S_LE(_ctrlch3), U32_TO_U8S_LE(_ctrlch4), _stridx
+
+// For more channels, add definitions here
+
+/* Standard AS Interface Descriptor(4.9.1) */
+#define TUD_AUDIO_DESC_STD_AS_INT_LEN 9
+#define TUD_AUDIO_DESC_STD_AS_INT(_itfnum, _altset, _nEPs, _stridx) \
+  TUD_AUDIO_DESC_STD_AS_INT_LEN, TUSB_DESC_INTERFACE, _itfnum, _altset, _nEPs, TUSB_CLASS_AUDIO, AUDIO_SUBCLASS_STREAMING, AUDIO_INT_PROTOCOL_CODE_V2, _stridx
+
+/* Class-Specific AS Interface Descriptor(4.9.2) */
+#define TUD_AUDIO_DESC_CS_AS_INT_LEN 16
+#define TUD_AUDIO_DESC_CS_AS_INT(_termid, _ctrl, _formattype, _formats, _nchannelsphysical, _channelcfg, _stridx) \
+  TUD_AUDIO_DESC_CS_AS_INT_LEN, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AS_INTERFACE_AS_GENERAL, _termid, _ctrl, _formattype, U32_TO_U8S_LE(_formats), _nchannelsphysical, U32_TO_U8S_LE(_channelcfg), _stridx
+
+/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */
+#define TUD_AUDIO_DESC_TYPE_I_FORMAT_LEN 6
+#define TUD_AUDIO_DESC_TYPE_I_FORMAT(_subslotsize, _bitresolution) /* _subslotsize is number of bytes per sample (i.e. subslot) and can be 1,2,3, or 4 */\
+  TUD_AUDIO_DESC_TYPE_I_FORMAT_LEN, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AS_INTERFACE_FORMAT_TYPE, AUDIO_FORMAT_TYPE_I, _subslotsize, _bitresolution
+
+/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */
+#define TUD_AUDIO_DESC_STD_AS_ISO_EP_LEN 7
+#define TUD_AUDIO_DESC_STD_AS_ISO_EP(_ep, _attr, _maxEPsize, _interval) \
+  TUD_AUDIO_DESC_STD_AS_ISO_EP_LEN, TUSB_DESC_ENDPOINT, _ep, _attr, U16_TO_U8S_LE(_maxEPsize), _interval
+
+/* Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2) */
+#define TUD_AUDIO_DESC_CS_AS_ISO_EP_LEN 8
+#define TUD_AUDIO_DESC_CS_AS_ISO_EP(_attr, _ctrl, _lockdelayunit, _lockdelay) \
+  TUD_AUDIO_DESC_CS_AS_ISO_EP_LEN, TUSB_DESC_CS_ENDPOINT, AUDIO_CS_EP_SUBTYPE_GENERAL, _attr, _ctrl, _lockdelayunit, U16_TO_U8S_LE(_lockdelay)
+
+/* Standard AS Isochronous Feedback Endpoint Descriptor(4.10.2.1) */
+#define TUD_AUDIO_DESC_STD_AS_ISO_FB_EP_LEN 7
+#define TUD_AUDIO_DESC_STD_AS_ISO_FB_EP(_ep, _interval) \
+  TUD_AUDIO_DESC_STD_AS_ISO_FB_EP_LEN, TUSB_DESC_ENDPOINT, _ep, (TUSB_XFER_ISOCHRONOUS | TUSB_ISO_EP_ATT_NO_SYNC | TUSB_ISO_EP_ATT_EXPLICIT_FB), U16_TO_U8S_LE(4), _interval
+
+// AUDIO simple descriptor (UAC2) for 1 microphone input
+// - 1 Input Terminal, 1 Feature Unit (Mute and Volume Control), 1 Output Terminal, 1 Clock Source
+
+#define TUD_AUDIO_MIC_ONE_CH_DESC_LEN (TUD_AUDIO_DESC_IAD_LEN\
+  + TUD_AUDIO_DESC_STD_AC_LEN\
+  + TUD_AUDIO_DESC_CS_AC_LEN\
+  + TUD_AUDIO_DESC_CLK_SRC_LEN\
+  + TUD_AUDIO_DESC_INPUT_TERM_LEN\
+  + TUD_AUDIO_DESC_OUTPUT_TERM_LEN\
+  + TUD_AUDIO_DESC_FEATURE_UNIT_ONE_CHANNEL_LEN\
+  + TUD_AUDIO_DESC_STD_AS_INT_LEN\
+  + TUD_AUDIO_DESC_STD_AS_INT_LEN\
+  + TUD_AUDIO_DESC_CS_AS_INT_LEN\
+  + TUD_AUDIO_DESC_TYPE_I_FORMAT_LEN\
+  + TUD_AUDIO_DESC_STD_AS_ISO_EP_LEN\
+  + TUD_AUDIO_DESC_CS_AS_ISO_EP_LEN)
+
+#define TUD_AUDIO_MIC_ONE_CH_DESC_N_AS_INT 1 	// Number of AS interfaces
+
+#define TUD_AUDIO_MIC_ONE_CH_DESCRIPTOR(_itfnum, _stridx, _nBytesPerSample, _nBitsUsedPerSample, _epin, _epsize) \
+  /* Standard Interface Association Descriptor (IAD) */\
+  TUD_AUDIO_DESC_IAD(/*_firstitfs*/ _itfnum, /*_nitfs*/ 0x02, /*_stridx*/ 0x00),\
+  /* Standard AC Interface Descriptor(4.7.1) */\
+  TUD_AUDIO_DESC_STD_AC(/*_itfnum*/ _itfnum, /*_nEPs*/ 0x00, /*_stridx*/ _stridx),\
+  /* Class-Specific AC Interface Header Descriptor(4.7.2) */\
+  TUD_AUDIO_DESC_CS_AC(/*_bcdADC*/ 0x0200, /*_category*/ AUDIO_FUNC_MICROPHONE, /*_totallen*/ TUD_AUDIO_DESC_CLK_SRC_LEN+TUD_AUDIO_DESC_INPUT_TERM_LEN+TUD_AUDIO_DESC_OUTPUT_TERM_LEN+TUD_AUDIO_DESC_FEATURE_UNIT_ONE_CHANNEL_LEN, /*_ctrl*/ AUDIO_CS_AS_INTERFACE_CTRL_LATENCY_POS),\
+  /* Clock Source Descriptor(4.7.2.1) */\
+  TUD_AUDIO_DESC_CLK_SRC(/*_clkid*/ 0x04, /*_attr*/ AUDIO_CLOCK_SOURCE_ATT_INT_FIX_CLK, /*_ctrl*/ (AUDIO_CTRL_R << AUDIO_CLOCK_SOURCE_CTRL_CLK_FRQ_POS), /*_assocTerm*/ 0x01,  /*_stridx*/ 0x00),\
+  /* Input Terminal Descriptor(4.7.2.4) */\
+  TUD_AUDIO_DESC_INPUT_TERM(/*_termid*/ 0x01, /*_termtype*/ AUDIO_TERM_TYPE_IN_GENERIC_MIC, /*_assocTerm*/ 0x03, /*_clkid*/ 0x04, /*_nchannelslogical*/ 0x01, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_idxchannelnames*/ 0x00, /*_ctrl*/ AUDIO_CTRL_R << AUDIO_IN_TERM_CTRL_CONNECTOR_POS, /*_stridx*/ 0x00),\
+  /* Output Terminal Descriptor(4.7.2.5) */\
+  TUD_AUDIO_DESC_OUTPUT_TERM(/*_termid*/ 0x03, /*_termtype*/ AUDIO_TERM_TYPE_USB_STREAMING, /*_assocTerm*/ 0x01, /*_srcid*/ 0x02, /*_clkid*/ 0x04, /*_ctrl*/ 0x0000, /*_stridx*/ 0x00),\
+  /* Feature Unit Descriptor(4.7.2.8) */\
+  TUD_AUDIO_DESC_FEATURE_UNIT_ONE_CHANNEL(/*_unitid*/ 0x02, /*_srcid*/ 0x01, /*_ctrlch0master*/ AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS, /*_ctrlch1*/ AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS, /*_stridx*/ 0x00),\
+  /* Standard AS Interface Descriptor(4.9.1) */\
+  /* Interface 1, Alternate 0 - default alternate setting with 0 bandwidth */\
+  TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)((_itfnum)+1), /*_altset*/ 0x00, /*_nEPs*/ 0x00, /*_stridx*/ 0x00),\
+  /* Standard AS Interface Descriptor(4.9.1) */\
+  /* Interface 1, Alternate 1 - alternate interface for data streaming */\
+  TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)((_itfnum)+1), /*_altset*/ 0x01, /*_nEPs*/ 0x01, /*_stridx*/ 0x00),\
+  /* Class-Specific AS Interface Descriptor(4.9.2) */\
+  TUD_AUDIO_DESC_CS_AS_INT(/*_termid*/ 0x03, /*_ctrl*/ AUDIO_CTRL_NONE, /*_formattype*/ AUDIO_FORMAT_TYPE_I, /*_formats*/ AUDIO_DATA_FORMAT_TYPE_I_PCM, /*_nchannelsphysical*/ 0x01, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_stridx*/ 0x00),\
+  /* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */\
+  TUD_AUDIO_DESC_TYPE_I_FORMAT(_nBytesPerSample, _nBitsUsedPerSample),\
+  /* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */\
+  TUD_AUDIO_DESC_STD_AS_ISO_EP(/*_ep*/ _epin, /*_attr*/ (TUSB_XFER_ISOCHRONOUS | TUSB_ISO_EP_ATT_ASYNCHRONOUS | TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ _epsize, /*_interval*/ (CFG_TUSB_RHPORT0_MODE & OPT_MODE_HIGH_SPEED) ? 0x04 : 0x01),\
+  /* Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2) */\
+  TUD_AUDIO_DESC_CS_AS_ISO_EP(/*_attr*/ AUDIO_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK, /*_ctrl*/ AUDIO_CTRL_NONE, /*_lockdelayunit*/ AUDIO_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_UNDEFINED, /*_lockdelay*/ 0x0000)
+
+// AUDIO simple descriptor (UAC2) for 4 microphone input
+// - 1 Input Terminal, 1 Feature Unit (Mute and Volume Control), 1 Output Terminal, 1 Clock Source
+
+#define TUD_AUDIO_MIC_FOUR_CH_DESC_LEN (TUD_AUDIO_DESC_IAD_LEN\
+  + TUD_AUDIO_DESC_STD_AC_LEN\
+  + TUD_AUDIO_DESC_CS_AC_LEN\
+  + TUD_AUDIO_DESC_CLK_SRC_LEN\
+  + TUD_AUDIO_DESC_INPUT_TERM_LEN\
+  + TUD_AUDIO_DESC_OUTPUT_TERM_LEN\
+  + TUD_AUDIO_DESC_FEATURE_UNIT_FOUR_CHANNEL_LEN\
+  + TUD_AUDIO_DESC_STD_AS_INT_LEN\
+  + TUD_AUDIO_DESC_STD_AS_INT_LEN\
+  + TUD_AUDIO_DESC_CS_AS_INT_LEN\
+  + TUD_AUDIO_DESC_TYPE_I_FORMAT_LEN\
+  + TUD_AUDIO_DESC_STD_AS_ISO_EP_LEN\
+  + TUD_AUDIO_DESC_CS_AS_ISO_EP_LEN)
+
+#define TUD_AUDIO_MIC_FOUR_CH_DESC_N_AS_INT 1   // Number of AS interfaces
+
+#define TUD_AUDIO_MIC_FOUR_CH_DESCRIPTOR(_itfnum, _stridx, _nBytesPerSample, _nBitsUsedPerSample, _epin, _epsize) \
+  /* Standard Interface Association Descriptor (IAD) */\
+  TUD_AUDIO_DESC_IAD(/*_firstitfs*/ _itfnum, /*_nitfs*/ 0x02, /*_stridx*/ 0x00),\
+  /* Standard AC Interface Descriptor(4.7.1) */\
+  TUD_AUDIO_DESC_STD_AC(/*_itfnum*/ _itfnum, /*_nEPs*/ 0x00, /*_stridx*/ _stridx),\
+  /* Class-Specific AC Interface Header Descriptor(4.7.2) */\
+  TUD_AUDIO_DESC_CS_AC(/*_bcdADC*/ 0x0200, /*_category*/ AUDIO_FUNC_MICROPHONE, /*_totallen*/ TUD_AUDIO_DESC_CLK_SRC_LEN+TUD_AUDIO_DESC_INPUT_TERM_LEN+TUD_AUDIO_DESC_OUTPUT_TERM_LEN+TUD_AUDIO_DESC_FEATURE_UNIT_FOUR_CHANNEL_LEN, /*_ctrl*/ AUDIO_CS_AS_INTERFACE_CTRL_LATENCY_POS),\
+  /* Clock Source Descriptor(4.7.2.1) */\
+  TUD_AUDIO_DESC_CLK_SRC(/*_clkid*/ 0x04, /*_attr*/ AUDIO_CLOCK_SOURCE_ATT_INT_FIX_CLK, /*_ctrl*/ (AUDIO_CTRL_R << AUDIO_CLOCK_SOURCE_CTRL_CLK_FRQ_POS), /*_assocTerm*/ 0x01,  /*_stridx*/ 0x00),\
+  /* Input Terminal Descriptor(4.7.2.4) */\
+  TUD_AUDIO_DESC_INPUT_TERM(/*_termid*/ 0x01, /*_termtype*/ AUDIO_TERM_TYPE_IN_GENERIC_MIC, /*_assocTerm*/ 0x03, /*_clkid*/ 0x04, /*_nchannelslogical*/ 0x04, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_idxchannelnames*/ 0x00, /*_ctrl*/ AUDIO_CTRL_R << AUDIO_IN_TERM_CTRL_CONNECTOR_POS, /*_stridx*/ 0x00),\
+  /* Output Terminal Descriptor(4.7.2.5) */\
+  TUD_AUDIO_DESC_OUTPUT_TERM(/*_termid*/ 0x03, /*_termtype*/ AUDIO_TERM_TYPE_USB_STREAMING, /*_assocTerm*/ 0x01, /*_srcid*/ 0x02, /*_clkid*/ 0x04, /*_ctrl*/ 0x0000, /*_stridx*/ 0x00),\
+  /* Feature Unit Descriptor(4.7.2.8) */\
+  TUD_AUDIO_DESC_FEATURE_UNIT_FOUR_CHANNEL(/*_unitid*/ 0x02, /*_srcid*/ 0x01, /*_ctrlch0master*/ AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS, /*_ctrlch1*/ AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS, /*_ctrlch2*/ AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS, /*_ctrlch3*/ AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS, /*_ctrlch4*/ AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS, /*_stridx*/ 0x00),\
+  /* Standard AS Interface Descriptor(4.9.1) */\
+  /* Interface 1, Alternate 0 - default alternate setting with 0 bandwidth */\
+  TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)((_itfnum)+1), /*_altset*/ 0x00, /*_nEPs*/ 0x00, /*_stridx*/ 0x00),\
+  /* Standard AS Interface Descriptor(4.9.1) */\
+  /* Interface 1, Alternate 1 - alternate interface for data streaming */\
+  TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)((_itfnum)+1), /*_altset*/ 0x01, /*_nEPs*/ 0x01, /*_stridx*/ 0x00),\
+  /* Class-Specific AS Interface Descriptor(4.9.2) */\
+  TUD_AUDIO_DESC_CS_AS_INT(/*_termid*/ 0x03, /*_ctrl*/ AUDIO_CTRL_NONE, /*_formattype*/ AUDIO_FORMAT_TYPE_I, /*_formats*/ AUDIO_DATA_FORMAT_TYPE_I_PCM, /*_nchannelsphysical*/ 0x04, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_stridx*/ 0x00),\
+  /* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */\
+  TUD_AUDIO_DESC_TYPE_I_FORMAT(_nBytesPerSample, _nBitsUsedPerSample),\
+  /* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */\
+  TUD_AUDIO_DESC_STD_AS_ISO_EP(/*_ep*/ _epin, /*_attr*/ (TUSB_XFER_ISOCHRONOUS | TUSB_ISO_EP_ATT_ASYNCHRONOUS | TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ _epsize, /*_interval*/ (CFG_TUSB_RHPORT0_MODE & OPT_MODE_HIGH_SPEED) ? 0x04 : 0x01),\
+  /* Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2) */\
+  TUD_AUDIO_DESC_CS_AS_ISO_EP(/*_attr*/ AUDIO_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK, /*_ctrl*/ AUDIO_CTRL_NONE, /*_lockdelayunit*/ AUDIO_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_UNDEFINED, /*_lockdelay*/ 0x0000)
+
+// AUDIO simple descriptor (UAC2) for mono speaker
+// - 1 Input Terminal, 2 Feature Unit (Mute and Volume Control), 3 Output Terminal, 4 Clock Source
+
+#define TUD_AUDIO_SPEAKER_MONO_FB_DESC_LEN (TUD_AUDIO_DESC_IAD_LEN\
+  + TUD_AUDIO_DESC_STD_AC_LEN\
+  + TUD_AUDIO_DESC_CS_AC_LEN\
+  + TUD_AUDIO_DESC_CLK_SRC_LEN\
+  + TUD_AUDIO_DESC_INPUT_TERM_LEN\
+  + TUD_AUDIO_DESC_OUTPUT_TERM_LEN\
+  + TUD_AUDIO_DESC_FEATURE_UNIT_ONE_CHANNEL_LEN\
+  + TUD_AUDIO_DESC_STD_AS_INT_LEN\
+  + TUD_AUDIO_DESC_STD_AS_INT_LEN\
+  + TUD_AUDIO_DESC_CS_AS_INT_LEN\
+  + TUD_AUDIO_DESC_TYPE_I_FORMAT_LEN\
+  + TUD_AUDIO_DESC_STD_AS_ISO_EP_LEN\
+  + TUD_AUDIO_DESC_CS_AS_ISO_EP_LEN\
+  + TUD_AUDIO_DESC_STD_AS_ISO_FB_EP_LEN)
+
+#define TUD_AUDIO_SPEAKER_MONO_FB_DESCRIPTOR(_itfnum, _stridx, _nBytesPerSample, _nBitsUsedPerSample, _epout, _epsize, _epfb) \
+  /* Standard Interface Association Descriptor (IAD) */\
+  TUD_AUDIO_DESC_IAD(/*_firstitfs*/ _itfnum, /*_nitfs*/ 0x02, /*_stridx*/ 0x00),\
+  /* Standard AC Interface Descriptor(4.7.1) */\
+  TUD_AUDIO_DESC_STD_AC(/*_itfnum*/ _itfnum, /*_nEPs*/ 0x00, /*_stridx*/ _stridx),\
+  /* Class-Specific AC Interface Header Descriptor(4.7.2) */\
+  TUD_AUDIO_DESC_CS_AC(/*_bcdADC*/ 0x0200, /*_category*/ AUDIO_FUNC_DESKTOP_SPEAKER, /*_totallen*/ TUD_AUDIO_DESC_CLK_SRC_LEN+TUD_AUDIO_DESC_INPUT_TERM_LEN+TUD_AUDIO_DESC_OUTPUT_TERM_LEN+TUD_AUDIO_DESC_FEATURE_UNIT_ONE_CHANNEL_LEN, /*_ctrl*/ AUDIO_CS_AS_INTERFACE_CTRL_LATENCY_POS),\
+  /* Clock Source Descriptor(4.7.2.1) */\
+  TUD_AUDIO_DESC_CLK_SRC(/*_clkid*/ 0x04, /*_attr*/ AUDIO_CLOCK_SOURCE_ATT_INT_FIX_CLK, /*_ctrl*/ (AUDIO_CTRL_R << AUDIO_CLOCK_SOURCE_CTRL_CLK_FRQ_POS), /*_assocTerm*/ 0x01,  /*_stridx*/ 0x00),\
+  /* Input Terminal Descriptor(4.7.2.4) */\
+  TUD_AUDIO_DESC_INPUT_TERM(/*_termid*/ 0x01, /*_termtype*/ AUDIO_TERM_TYPE_USB_STREAMING, /*_assocTerm*/ 0x00, /*_clkid*/ 0x04, /*_nchannelslogical*/ 0x01, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_idxchannelnames*/ 0x00, /*_ctrl*/ 0 * (AUDIO_CTRL_R << AUDIO_IN_TERM_CTRL_CONNECTOR_POS), /*_stridx*/ 0x00),\
+  /* Output Terminal Descriptor(4.7.2.5) */\
+  TUD_AUDIO_DESC_OUTPUT_TERM(/*_termid*/ 0x03, /*_termtype*/ AUDIO_TERM_TYPE_OUT_DESKTOP_SPEAKER, /*_assocTerm*/ 0x01, /*_srcid*/ 0x02, /*_clkid*/ 0x04, /*_ctrl*/ 0x0000, /*_stridx*/ 0x00),\
+  /* Feature Unit Descriptor(4.7.2.8) */\
+  TUD_AUDIO_DESC_FEATURE_UNIT_ONE_CHANNEL(/*_unitid*/ 0x02, /*_srcid*/ 0x01, /*_ctrlch0master*/ 0 * (AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS), /*_ctrlch1*/ 0 * (AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS), /*_stridx*/ 0x00),\
+  /* Standard AS Interface Descriptor(4.9.1) */\
+  /* Interface 1, Alternate 0 - default alternate setting with 0 bandwidth */\
+  TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)((_itfnum) + 1), /*_altset*/ 0x00, /*_nEPs*/ 0x00, /*_stridx*/ 0x00),\
+  /* Standard AS Interface Descriptor(4.9.1) */\
+  /* Interface 1, Alternate 1 - alternate interface for data streaming */\
+  TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)((_itfnum) + 1), /*_altset*/ 0x01, /*_nEPs*/ 0x02, /*_stridx*/ 0x00),\
+  /* Class-Specific AS Interface Descriptor(4.9.2) */\
+  TUD_AUDIO_DESC_CS_AS_INT(/*_termid*/ 0x01, /*_ctrl*/ AUDIO_CTRL_NONE, /*_formattype*/ AUDIO_FORMAT_TYPE_I, /*_formats*/ AUDIO_DATA_FORMAT_TYPE_I_PCM, /*_nchannelsphysical*/ 0x01, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_stridx*/ 0x00),\
+  /* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */\
+  TUD_AUDIO_DESC_TYPE_I_FORMAT(_nBytesPerSample, _nBitsUsedPerSample),\
+  /* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */\
+  TUD_AUDIO_DESC_STD_AS_ISO_EP(/*_ep*/ _epout, /*_attr*/ (TUSB_XFER_ISOCHRONOUS | TUSB_ISO_EP_ATT_ASYNCHRONOUS | TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ _epsize, /*_interval*/ (CFG_TUSB_RHPORT0_MODE & OPT_MODE_HIGH_SPEED) ? 0x04 : 0x01),\
+  /* Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2) */\
+  TUD_AUDIO_DESC_CS_AS_ISO_EP(/*_attr*/ AUDIO_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK, /*_ctrl*/ AUDIO_CTRL_NONE, /*_lockdelayunit*/ AUDIO_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_UNDEFINED, /*_lockdelay*/ 0x0000),\
+  /* Standard AS Isochronous Feedback Endpoint Descriptor(4.10.2.1) */\
+  TUD_AUDIO_DESC_STD_AS_ISO_FB_EP(/*_ep*/ _epfb, /*_interval*/ 1)\
+
+//   Calculate wMaxPacketSize of Endpoints
+#define TUD_AUDIO_EP_SIZE(_maxFrequency, _nBytesPerSample, _nChannels) \
+    ((((_maxFrequency + ((CFG_TUSB_RHPORT0_MODE & OPT_MODE_HIGH_SPEED) ? 7999 : 999)) / ((CFG_TUSB_RHPORT0_MODE & OPT_MODE_HIGH_SPEED) ? 8000 : 1000)) + 1) * _nBytesPerSample * _nChannels)
+
+
+//------------- TUD_USBTMC/USB488 -------------//
+#define TUD_USBTMC_APP_CLASS    (TUSB_CLASS_APPLICATION_SPECIFIC)
+#define TUD_USBTMC_APP_SUBCLASS 0x03u
+
+#define TUD_USBTMC_PROTOCOL_STD    0x00u
+#define TUD_USBTMC_PROTOCOL_USB488 0x01u
+
+//   Interface number, number of endpoints, EP string index, USB_TMC_PROTOCOL*, bulk-out endpoint ID,
+//   bulk-in endpoint ID
+#define TUD_USBTMC_IF_DESCRIPTOR(_itfnum, _bNumEndpoints, _stridx, _itfProtocol) \
+  /* Interface */ \
+  0x09, TUSB_DESC_INTERFACE, _itfnum, 0x00, _bNumEndpoints, TUD_USBTMC_APP_CLASS, TUD_USBTMC_APP_SUBCLASS, _itfProtocol, _stridx
+
+#define TUD_USBTMC_IF_DESCRIPTOR_LEN 9u
+
+#define TUD_USBTMC_BULK_DESCRIPTORS(_epout, _epin, _bulk_epsize) \
+  /* Endpoint Out */ \
+  7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_bulk_epsize), 0u, \
+  /* Endpoint In */ \
+  7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_BULK, U16_TO_U8S_LE(_bulk_epsize), 0u
+
+#define TUD_USBTMC_BULK_DESCRIPTORS_LEN (7u+7u)
+
+/* optional interrupt endpoint */ \
+// _int_pollingInterval : for LS/FS, expressed in frames (1ms each). 16 may be a good number?
+#define TUD_USBTMC_INT_DESCRIPTOR(_ep_interrupt, _ep_interrupt_size, _int_pollingInterval ) \
+  7, TUSB_DESC_ENDPOINT, _ep_interrupt, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_ep_interrupt_size), 0x16
+
+#define TUD_USBTMC_INT_DESCRIPTOR_LEN (7u)
+
+
+//------------- Vendor -------------//
+#define TUD_VENDOR_DESC_LEN  (9+7+7)
+
+// Interface number, string index, EP Out & IN address, EP size
+#define TUD_VENDOR_DESCRIPTOR(_itfnum, _stridx, _epout, _epin, _epsize) \
+  /* Interface */\
+  9, TUSB_DESC_INTERFACE, _itfnum, 0, 2, TUSB_CLASS_VENDOR_SPECIFIC, 0x00, 0x00, _stridx,\
+  /* Endpoint Out */\
+  7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0,\
+  /* Endpoint In */\
+  7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0
+
+//------------- DFU Runtime -------------//
+#define TUD_DFU_APP_CLASS    (TUSB_CLASS_APPLICATION_SPECIFIC)
+#define TUD_DFU_APP_SUBCLASS (APP_SUBCLASS_DFU_RUNTIME)
+
+// Length of template descriptr: 18 bytes
+#define TUD_DFU_RT_DESC_LEN (9 + 9)
+
+// DFU runtime descriptor
+// Interface number, string index, attributes, detach timeout, transfer size
+#define TUD_DFU_RT_DESCRIPTOR(_itfnum, _stridx, _attr, _timeout, _xfer_size) \
+  /* Interface */ \
+  9, TUSB_DESC_INTERFACE, _itfnum, 0, 0, TUD_DFU_APP_CLASS, TUD_DFU_APP_SUBCLASS, DFU_PROTOCOL_RT, _stridx, \
+  /* Function */ \
+  9, DFU_DESC_FUNCTIONAL, _attr, U16_TO_U8S_LE(_timeout), U16_TO_U8S_LE(_xfer_size), U16_TO_U8S_LE(0x0101)
+
+// Length of template descriptor: 9 bytes + number of alternatives * 9
+#define TUD_DFU_DESC_LEN(_alt_count)    (9 + (_alt_count) * 9)
+
+// Interface number, Alternate count, starting string index, attributes, detach timeout, transfer size
+// Note: Alternate count must be numberic or macro, string index is increased by one for each Alt interface
+#define TUD_DFU_DESCRIPTOR(_itfnum, _alt_count, _stridx, _attr, _timeout, _xfer_size) \
+  TU_XSTRCAT(_TUD_DFU_ALT_,_alt_count)(_itfnum, 0, _stridx), \
+  /* Function */ \
+  9, DFU_DESC_FUNCTIONAL, _attr, U16_TO_U8S_LE(_timeout), U16_TO_U8S_LE(_xfer_size), U16_TO_U8S_LE(0x0101)
+
+#define _TUD_DFU_ALT(_itfnum, _alt, _stridx) \
+  /* Interface */ \
+  9, TUSB_DESC_INTERFACE, _itfnum, _alt, 0, TUD_DFU_APP_CLASS, TUD_DFU_APP_SUBCLASS, DFU_PROTOCOL_DFU, _stridx
+
+#define _TUD_DFU_ALT_1(_itfnum, _alt_count, _stridx) \
+  _TUD_DFU_ALT(_itfnum, _alt_count, _stridx)
+
+#define _TUD_DFU_ALT_2(_itfnum, _alt_count, _stridx) \
+  _TUD_DFU_ALT(_itfnum, _alt_count, _stridx),      \
+  _TUD_DFU_ALT_1(_itfnum, _alt_count+1, _stridx+1)
+
+#define _TUD_DFU_ALT_3(_itfnum, _alt_count, _stridx) \
+  _TUD_DFU_ALT(_itfnum, _alt_count, _stridx),      \
+  _TUD_DFU_ALT_2(_itfnum, _alt_count+1, _stridx+1)
+
+#define _TUD_DFU_ALT_4(_itfnum, _alt_count, _stridx) \
+  _TUD_DFU_ALT(_itfnum, _alt_count, _stridx),      \
+  _TUD_DFU_ALT_3(_itfnum, _alt_count+1, _stridx+1)
+
+#define _TUD_DFU_ALT_5(_itfnum, _alt_count, _stridx) \
+  _TUD_DFU_ALT(_itfnum, _alt_count, _stridx),      \
+  _TUD_DFU_ALT_4(_itfnum, _alt_count+1, _stridx+1)
+
+#define _TUD_DFU_ALT_6(_itfnum, _alt_count, _stridx) \
+  _TUD_DFU_ALT(_itfnum, _alt_count, _stridx),      \
+  _TUD_DFU_ALT_5(_itfnum, _alt_count+1, _stridx+1)
+
+#define _TUD_DFU_ALT_7(_itfnum, _alt_count, _stridx) \
+  _TUD_DFU_ALT(_itfnum, _alt_count, _stridx),      \
+  _TUD_DFU_ALT_6(_itfnum, _alt_count+1, _stridx+1)
+
+#define _TUD_DFU_ALT_8(_itfnum, _alt_count, _stridx) \
+  _TUD_DFU_ALT(_itfnum, _alt_count, _stridx),      \
+  _TUD_DFU_ALT_7(_itfnum, _alt_count+1, _stridx+1)
+
+
+//------------- CDC-ECM -------------//
+
+// Length of template descriptor: 71 bytes
+#define TUD_CDC_ECM_DESC_LEN  (8+9+5+5+13+7+9+9+7+7)
+
+// CDC-ECM Descriptor Template
+// Interface number, description string index, MAC address string index, EP notification address and size, EP data address (out, in), and size, max segment size.
+#define TUD_CDC_ECM_DESCRIPTOR(_itfnum, _desc_stridx, _mac_stridx, _ep_notif, _ep_notif_size, _epout, _epin, _epsize, _maxsegmentsize) \
+  /* Interface Association */\
+  8, TUSB_DESC_INTERFACE_ASSOCIATION, _itfnum, 2, TUSB_CLASS_CDC, CDC_COMM_SUBCLASS_ETHERNET_CONTROL_MODEL, 0, 0,\
+  /* CDC Control Interface */\
+  9, TUSB_DESC_INTERFACE, _itfnum, 0, 1, TUSB_CLASS_CDC, CDC_COMM_SUBCLASS_ETHERNET_CONTROL_MODEL, 0, _desc_stridx,\
+  /* CDC-ECM Header */\
+  5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_HEADER, U16_TO_U8S_LE(0x0120),\
+  /* CDC-ECM Union */\
+  5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_UNION, _itfnum, (uint8_t)((_itfnum) + 1),\
+  /* CDC-ECM Functional Descriptor */\
+  13, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_ETHERNET_NETWORKING, _mac_stridx, 0, 0, 0, 0, U16_TO_U8S_LE(_maxsegmentsize), U16_TO_U8S_LE(0), 0,\
+  /* Endpoint Notification */\
+  7, TUSB_DESC_ENDPOINT, _ep_notif, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_ep_notif_size), 1,\
+  /* CDC Data Interface (default inactive) */\
+  9, TUSB_DESC_INTERFACE, (uint8_t)((_itfnum)+1), 0, 0, TUSB_CLASS_CDC_DATA, 0, 0, 0,\
+  /* CDC Data Interface (alternative active) */\
+  9, TUSB_DESC_INTERFACE, (uint8_t)((_itfnum)+1), 1, 2, TUSB_CLASS_CDC_DATA, 0, 0, 0,\
+  /* Endpoint In */\
+  7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0,\
+  /* Endpoint Out */\
+  7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0
+
+
+//------------- RNDIS -------------//
+
+#if 0
+/* Windows XP */
+#define TUD_RNDIS_ITF_CLASS    TUSB_CLASS_CDC
+#define TUD_RNDIS_ITF_SUBCLASS CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL
+#define TUD_RNDIS_ITF_PROTOCOL 0xFF /* CDC_COMM_PROTOCOL_MICROSOFT_RNDIS */
+#else
+/* Windows 7+ */
+#define TUD_RNDIS_ITF_CLASS    TUSB_CLASS_WIRELESS_CONTROLLER
+#define TUD_RNDIS_ITF_SUBCLASS 0x01
+#define TUD_RNDIS_ITF_PROTOCOL 0x03
+#endif
+
+// Length of template descriptor: 66 bytes
+#define TUD_RNDIS_DESC_LEN  (8+9+5+5+4+5+7+9+7+7)
+
+// RNDIS Descriptor Template
+// Interface number, string index, EP notification address and size, EP data address (out, in) and size.
+#define TUD_RNDIS_DESCRIPTOR(_itfnum, _stridx, _ep_notif, _ep_notif_size, _epout, _epin, _epsize) \
+  /* Interface Association */\
+  8, TUSB_DESC_INTERFACE_ASSOCIATION, _itfnum, 2, TUD_RNDIS_ITF_CLASS, TUD_RNDIS_ITF_SUBCLASS, TUD_RNDIS_ITF_PROTOCOL, 0,\
+  /* CDC Control Interface */\
+  9, TUSB_DESC_INTERFACE, _itfnum, 0, 1, TUD_RNDIS_ITF_CLASS, TUD_RNDIS_ITF_SUBCLASS, TUD_RNDIS_ITF_PROTOCOL, _stridx,\
+  /* CDC-ACM Header */\
+  5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_HEADER, U16_TO_U8S_LE(0x0110),\
+  /* CDC Call Management */\
+  5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_CALL_MANAGEMENT, 0, (uint8_t)((_itfnum) + 1),\
+  /* ACM */\
+  4, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT, 0,\
+  /* CDC Union */\
+  5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_UNION, _itfnum, (uint8_t)((_itfnum) + 1),\
+  /* Endpoint Notification */\
+  7, TUSB_DESC_ENDPOINT, _ep_notif, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_ep_notif_size), 1,\
+  /* CDC Data Interface */\
+  9, TUSB_DESC_INTERFACE, (uint8_t)((_itfnum)+1), 0, 2, TUSB_CLASS_CDC_DATA, 0, 0, 0,\
+  /* Endpoint In */\
+  7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0,\
+  /* Endpoint Out */\
+  7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0
+
+//------------- BT Radio -------------//
+#define TUD_BT_APP_CLASS                    (TUSB_CLASS_WIRELESS_CONTROLLER)
+#define TUD_BT_APP_SUBCLASS                 0x01
+#define TUD_BT_PROTOCOL_PRIMARY_CONTROLLER  0x01
+#define TUD_BT_PROTOCOL_AMP_CONTROLLER      0x02
+
+#ifndef CFG_TUD_BTH_ISO_ALT_COUNT
+#define CFG_TUD_BTH_ISO_ALT_COUNT 0
+#endif
+
+// Length of template descriptor: 30 bytes + number of ISO alternatives * 23
+#define TUD_BTH_DESC_LEN (9 + 7 + 7 + 7 + (CFG_TUD_BTH_ISO_ALT_COUNT) * (9 + 7 + 7))
+
+/* Primary Interface */
+#define TUD_BTH_PRI_ITF(_itfnum, _stridx, _ep_evt, _ep_evt_size, _ep_evt_interval, _ep_in, _ep_out, _ep_size) \
+  9, TUSB_DESC_INTERFACE, _itfnum, _stridx, 3, TUD_BT_APP_CLASS, TUD_BT_APP_SUBCLASS, TUD_BT_PROTOCOL_PRIMARY_CONTROLLER, 0, \
+  /* Endpoint In for events */ \
+  7, TUSB_DESC_ENDPOINT, _ep_evt, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_ep_evt_size), _ep_evt_interval, \
+  /* Endpoint In for ACL data */ \
+  7, TUSB_DESC_ENDPOINT, _ep_in, TUSB_XFER_BULK, U16_TO_U8S_LE(_ep_size), 1, \
+  /* Endpoint Out for ACL data */ \
+  7, TUSB_DESC_ENDPOINT, _ep_out, TUSB_XFER_BULK, U16_TO_U8S_LE(_ep_size), 1
+
+#define TUD_BTH_ISO_ITF(_itfnum, _alt, _ep_in, _ep_out, _n) ,\
+  /* Interface with 2 endpoints */ \
+  9, TUSB_DESC_INTERFACE, _itfnum, _alt, 2, TUD_BT_APP_CLASS, TUD_BT_APP_SUBCLASS, TUD_BT_PROTOCOL_PRIMARY_CONTROLLER, 0, \
+  /* Isochronous endpoints */ \
+  7, TUSB_DESC_ENDPOINT, _ep_in, TUSB_XFER_ISOCHRONOUS, U16_TO_U8S_LE(_n), 1, \
+  7, TUSB_DESC_ENDPOINT, _ep_out, TUSB_XFER_ISOCHRONOUS, U16_TO_U8S_LE(_n), 1
+
+#define _FIRST(a, ...) a
+#define _REST(a, ...) __VA_ARGS__
+
+#define TUD_BTH_ISO_ITF_0(_itfnum, ...)
+#define TUD_BTH_ISO_ITF_1(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 1, _ep_in, _ep_out, _FIRST(__VA_ARGS__))
+#define TUD_BTH_ISO_ITF_2(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 2, _ep_in, _ep_out, _FIRST(__VA_ARGS__)) \
+  TUD_BTH_ISO_ITF_1(_itfnum, _ep_in, _ep_out, _REST(__VA_ARGS__))
+#define TUD_BTH_ISO_ITF_3(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 3, _ep_in, _ep_out, _FIRST(__VA_ARGS__)) \
+  TUD_BTH_ISO_ITF_2(_itfnum, _ep_in, _ep_out, _REST(__VA_ARGS__))
+#define TUD_BTH_ISO_ITF_4(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 4, _ep_in, _ep_out, _FIRST(__VA_ARGS__)) \
+  TUD_BTH_ISO_ITF_3(_itfnum, _ep_in, _ep_out, _REST(__VA_ARGS__))
+#define TUD_BTH_ISO_ITF_5(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 5, _ep_in, _ep_out, _FIRST(__VA_ARGS__)) \
+  TUD_BTH_ISO_ITF_4(_itfnum, _ep_in, _ep_out, _REST(__VA_ARGS__))
+#define TUD_BTH_ISO_ITF_6(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 6, _ep_in, _ep_out, _FIRST(__VA_ARGS__)) \
+  TUD_BTH_ISO_ITF_5(_itfnum, _ep_in, _ep_out, _REST(__VA_ARGS__))
+
+#define TUD_BTH_ISO_ITFS(_itfnum, _ep_in, _ep_out, ...) \
+  TU_XSTRCAT(TUD_BTH_ISO_ITF_, CFG_TUD_BTH_ISO_ALT_COUNT)(_itfnum, _ep_in, _ep_out, __VA_ARGS__)
+
+// BT Primary controller descriptor
+// Interface number, string index, attributes, event endpoint, event endpoint size, interval, data in, data out, data endpoint size, iso endpoint sizes
+#define TUD_BTH_DESCRIPTOR(_itfnum, _stridx, _ep_evt, _ep_evt_size, _ep_evt_interval, _ep_in, _ep_out, _ep_size,...) \
+  TUD_BTH_PRI_ITF(_itfnum, _stridx, _ep_evt, _ep_evt_size, _ep_evt_interval, _ep_in, _ep_out, _ep_size) \
+  TUD_BTH_ISO_ITFS(_itfnum + 1, _ep_in + 1, _ep_out + 1, __VA_ARGS__)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _TUSB_USBD_H_ */
+
+/** @} */