First Commit
This commit is contained in:
awalol
@@ -0,0 +1,550 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2023 HiFiPhile
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#include "bsp/board_api.h"
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#include "tusb.h"
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//--------------------------------------------------------------------+
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// Device Descriptors
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//--------------------------------------------------------------------+
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static tusb_desc_device_t const desc_device =
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{
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.bLength = sizeof(tusb_desc_device_t),
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.bDescriptorType = TUSB_DESC_DEVICE,
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.bcdUSB = 0x0200,
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// Use Interface Association Descriptor (IAD) for Audio
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// As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1)
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/*.bDeviceClass = TUSB_CLASS_MISC,
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.bDeviceSubClass = MISC_SUBCLASS_COMMON,
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.bDeviceProtocol = MISC_PROTOCOL_IAD,*/
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.bDeviceClass = 0x00,
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.bDeviceSubClass = 0x00,
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.bDeviceProtocol = 0x00,
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.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
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.idVendor = 0x054C,
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.idProduct = 0x0CE6,
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.bcdDevice = 0x0100,
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.iManufacturer = 0x01,
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.iProduct = 0x02,
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.iSerialNumber = 0x03,
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.bNumConfigurations = 0x01
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};
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// Invoked when received GET DEVICE DESCRIPTOR
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// Application return pointer to descriptor
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uint8_t const *tud_descriptor_device_cb(void) {
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return (uint8_t const *) &desc_device;
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}
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//--------------------------------------------------------------------+
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// Configuration Descriptor
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//--------------------------------------------------------------------+
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#define EPNUM_AUDIO 0x01
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#define CONFIG_UAC1_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_AUDIO10_SPEAKER_STEREO_FB_DESC_LEN(2))
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uint8_t const descriptor_configuration[] = {
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// --- CONFIGURATION DESCRIPTOR ---
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0x09, // bLength
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0x02, // bDescriptorType (CONFIGURATION)
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0xE3, 0x00, // wTotalLength: 227
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0x04, // bNumInterfaces: 4
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0x01, // bConfigurationValue: 1
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0x00, // iConfiguration: 0
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0xC0, // bmAttributes: SELF-POWERED, NO REMOTE-WAKEUP
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0xFA, // bMaxPower: 500mA (250 * 2mA)
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// --- INTERFACE DESCRIPTOR (0.0): Audio Control ---
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0x09, // bLength
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0x04, // bDescriptorType (INTERFACE)
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0x00, // bInterfaceNumber: 0
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0x00, // bAlternateSetting: 0
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0x00, // bNumEndpoints: 0
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0x01, // bInterfaceClass: Audio (0x01)
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0x01, // bInterfaceSubClass: Audio Control (0x01)
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0x00, // bInterfaceProtocol: 0x00
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0x00, // iInterface: 0
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// Class-specific AC Interface Header Descriptor
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0x0A, // bLength: 10
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0x24, // bDescriptorType: CS_INTERFACE (0x24)
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0x01, // bDescriptorSubtype: Header (0x01)
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0x00, 0x01, // bcdADC: 1.00
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0x49, 0x00, // wTotalLength: 73 (0x0049)
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0x02, // bInCollection: 2 streaming interfaces
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0x01, // baInterfaceNr(1): Interface 1
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0x02, // baInterfaceNr(2): Interface 2
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// Input Terminal Descriptor (Terminal ID 1: USB Streaming → Output to Speaker)
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0x0C, // bLength: 12
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0x24, // bDescriptorType: CS_INTERFACE
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0x02, // bDescriptorSubtype: Input Terminal
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0x01, // bTerminalID: 1
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0x01, 0x01, // wTerminalType: USB Streaming (0x0101)
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0x06, // bAssocTerminal: 6 (paired with USB OUT terminal)
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0x04, // bNrChannels: 4
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0x33, 0x00, // wChannelConfig: L/R Front + L/R Surround (0x0033)
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0x00, // iChannelNames: 0
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0x00, // iTerminal: 0
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// Feature Unit Descriptor (Unit ID 2 ← from Terminal 1)
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0x0C, // bLength: 12
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0x24, // bDescriptorType: CS_INTERFACE
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0x06, // bDescriptorSubtype: Feature Unit
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0x02, // bUnitID: 2
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0x01, // bSourceID: 1
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0x01, // bControlSize: 1 byte per control
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0x03, // bmaControls[0]: Master – Mute, Volume
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0x00, 0x00, 0x00, 0x00, 0x00, // bmaControls[1..4]: No per-channel controls
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// Output Terminal Descriptor (Terminal ID 3: Speaker ← from Unit 2)
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0x09, // bLength: 9
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0x24, // bDescriptorType: CS_INTERFACE
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0x03, // bDescriptorSubtype: Output Terminal
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0x03, // bTerminalID: 3
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0x01, 0x03, // wTerminalType: Speaker (0x0301)
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0x04, // bAssocTerminal: 4 (paired with mic input)
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0x02, // bSourceID: 2 (Feature Unit)
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0x00, // iTerminal: 0
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// Input Terminal Descriptor (Terminal ID 4: Headset Mic)
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0x0C, // bLength: 12
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0x24, // bDescriptorType: CS_INTERFACE
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0x02, // bDescriptorSubtype: Input Terminal
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0x04, // bTerminalID: 4
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0x02, 0x04, // wTerminalType: Headset (0x0402)
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0x03, // bAssocTerminal: 3 (paired with speaker)
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0x02, // bNrChannels: 2
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0x03, 0x00, // wChannelConfig: L/R Front (0x0003)
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0x00, // iChannelNames: 0
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0x00, // iTerminal: 0
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// Feature Unit Descriptor (Unit ID 5 ← from Terminal 4)
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0x09, // bLength: 9
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0x24, // bDescriptorType: CS_INTERFACE
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0x06, // bDescriptorSubtype: Feature Unit
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0x05, // bUnitID: 5
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0x04, // bSourceID: 4
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0x01, // bControlSize: 1
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0x03, // bmaControls[0]: Master – Mute, Volume
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0x00, // bmaControls[1]: Ch1 – no controls
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0x00, // iFeature: 0
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// Output Terminal Descriptor (Terminal ID 6: USB Streaming ← from Unit 5)
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0x09, // bLength: 9
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0x24, // bDescriptorType: CS_INTERFACE
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0x03, // bDescriptorSubtype: Output Terminal
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0x06, // bTerminalID: 6
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0x01, 0x01, // wTerminalType: USB Streaming (0x0101)
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0x01, // bAssocTerminal: 1
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0x05, // bSourceID: 5
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0x00, // iTerminal: 0
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// --- INTERFACE DESCRIPTOR (1.0): Audio Streaming (OUT - Alternate 0) ---
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0x09, // bLength
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0x04, // bDescriptorType (INTERFACE)
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0x01, // bInterfaceNumber: 1
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0x00, // bAlternateSetting: 0
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0x00, // bNumEndpoints: 0
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0x01, // bInterfaceClass: Audio
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0x02, // bInterfaceSubClass: Audio Streaming
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0x00, // bInterfaceProtocol
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0x00, // iInterface
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// --- INTERFACE DESCRIPTOR (1.1): Audio Streaming (OUT - Alternate 1) ---
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0x09, // bLength
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0x04, // bDescriptorType (INTERFACE)
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0x01, // bInterfaceNumber: 1
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0x01, // bAlternateSetting: 1
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0x01, // bNumEndpoints: 1
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0x01, // bInterfaceClass: Audio
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0x02, // bInterfaceSubClass: Audio Streaming
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0x00, // bInterfaceProtocol
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0x00, // iInterface
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// AS General Descriptor (for Interface 1.1)
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0x07, // bLength: 7
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0x24, // bDescriptorType: CS_INTERFACE
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0x01, // bDescriptorSubtype: AS_GENERAL
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0x01, // bTerminalLink: connected to Terminal ID 1
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0x01, // bDelay: 1 frame
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0x01, 0x00, // wFormatTag: PCM (0x0001)
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// Format Type Descriptor (4-channel, 16-bit, 48kHz)
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0x0B, // bLength: 11
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0x24, // bDescriptorType: CS_INTERFACE
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0x02, // bDescriptorSubtype: FORMAT_TYPE
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0x01, // bFormatType: TYPE_I
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0x04, // bNrChannels: 4
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0x02, // bSubframeSize: 2 bytes/sample
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0x10, // bBitResolution: 16 bits
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0x01, // bSamFreqType: 1 discrete frequency
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0x80, 0xBB, 0x00, // tSamFreq: 48000 Hz (0x00BB80)
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// Endpoint Descriptor (Audio OUT: EP1)
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0x09, // bLength
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0x05, // bDescriptorType (ENDPOINT)
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0x01, // bEndpointAddress: OUT EP1
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0x09, // bmAttributes: Isochronous, Adaptive
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0x88, 0x01, // wMaxPacketSize: 392 bytes
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0x04, // bInterval: 4 (1/(2^(4-1)) ms ≈ 125 µs/frame)
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0x00, // bRefresh
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0x00, // bSynchAddress
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// Class-specific Audio Streaming Endpoint Descriptor (EP1)
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0x07, // bLength
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0x25, // bDescriptorType: CS_ENDPOINT
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0x01, // bDescriptorSubtype: GENERAL
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0x00, // Attributes: No pitch/sampling freq control
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0x00, // Lock Delay Units: Undefined
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0x00, 0x00, // Lock Delay: 0
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// --- INTERFACE DESCRIPTOR (2.0): Audio Streaming IN (Alternate 0) ---
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0x09, // bLength
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0x04, // bDescriptorType (INTERFACE)
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0x02, // bInterfaceNumber: 2
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0x00, // bAlternateSetting: 0
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0x00, // bNumEndpoints: 0
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0x01, // bInterfaceClass: Audio
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0x02, // bInterfaceSubClass: Audio Streaming
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0x00, // bInterfaceProtocol
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0x00, // iInterface
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// --- INTERFACE DESCRIPTOR (2.1): Audio Streaming IN (Alternate 1) ---
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0x09, // bLength
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0x04, // bDescriptorType (INTERFACE)
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0x02, // bInterfaceNumber: 2
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0x01, // bAlternateSetting: 1
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0x01, // bNumEndpoints: 1
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0x01, // bInterfaceClass: Audio
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0x02, // bInterfaceSubClass: Audio Streaming
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0x00, // bInterfaceProtocol
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0x00, // iInterface
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// AS General Descriptor (for Interface 2.1)
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0x07, // bLength: 7
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0x24, // bDescriptorType: CS_INTERFACE
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0x01, // bDescriptorSubtype: AS_GENERAL
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0x06, // bTerminalLink: connected to Terminal ID 6
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0x01, // bDelay: 1 frame
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0x01, 0x00, // wFormatTag: PCM (0x0001)
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// Format Type Descriptor (2-channel, 16-bit, 48kHz)
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0x0B, // bLength: 11
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0x24, // bDescriptorType: CS_INTERFACE
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0x02, // bDescriptorSubtype: FORMAT_TYPE
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0x01, // bFormatType: TYPE_I
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0x02, // bNrChannels: 2
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0x02, // bSubframeSize: 2
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0x10, // bBitResolution: 16
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0x01, // bSamFreqType: 1
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0x80, 0xBB, 0x00, // tSamFreq: 48000 Hz
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// Endpoint Descriptor (Audio IN: EP2)
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0x09, // bLength
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0x05, // bDescriptorType (ENDPOINT)
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0x82, // bEndpointAddress: IN EP2
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0x05, // bmAttributes: Isochronous, Asynchronous
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0xC4, 0x00, // wMaxPacketSize: 196 bytes
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0x04, // bInterval: 4
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0x00, // bRefresh
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0x00, // bSynchAddress
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// Class-specific Audio Streaming Endpoint Descriptor (EP2)
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0x07, // bLength
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0x25, // bDescriptorType: CS_ENDPOINT
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0x01, // bDescriptorSubtype: GENERAL
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0x00, // Attributes: No controls
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0x00, // Lock Delay Units
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0x00, 0x00, // Lock Delay
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// --- INTERFACE DESCRIPTOR (3.0): HID (DualSense 5 Gamepad + Touchpad) ---
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0x09, // bLength
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0x04, // bDescriptorType (INTERFACE)
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0x03, // bInterfaceNumber: 3
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0x00, // bAlternateSetting: 0
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0x02, // bNumEndpoints: 2 (IN + OUT)
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0x03, // bInterfaceClass: HID
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0x00, // bInterfaceSubClass: None
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0x00, // bInterfaceProtocol: None
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0x00, // iInterface
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// HID Descriptor
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0x09, // bLength: 9
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0x21, // bDescriptorType (HID)
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0x11, 0x01, // bcdHID: 1.11
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0x00, // bCountryCode: Not localized
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0x01, // bNumDescriptors: 1 report descriptor
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0x22, // bDescriptorType: Report
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0x21, 0x01, // wDescriptorLength: 289 (0x0121)
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// Endpoint Descriptor (HID IN: EP4)
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0x07, // bLength
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0x05, // bDescriptorType (ENDPOINT)
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0x84, // bEndpointAddress: IN EP4
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0x03, // bmAttributes: Interrupt
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0x40, 0x00, // wMaxPacketSize: 64
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0x06, // bInterval: 6 (polling every 8ms)
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// Endpoint Descriptor (HID OUT: EP3)
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0x07, // bLength
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0x05, // bDescriptorType (ENDPOINT)
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0x03, // bEndpointAddress: OUT EP3
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0x03, // bmAttributes: Interrupt
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0x40, 0x00, // wMaxPacketSize: 64
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0x06, // bInterval: 6
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};
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// Invoked when received GET CONFIGURATION DESCRIPTOR
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// Application return pointer to descriptor
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// Descriptor contents must exist long enough for transfer to complete
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uint8_t const *tud_descriptor_configuration_cb(uint8_t index) {
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(void) index; // for multiple configurations
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return descriptor_configuration;
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}
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//--------------------------------------------------------------------+
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// HID Report Descriptor
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//--------------------------------------------------------------------+
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uint8_t const desc_hid_report[] = {
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0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
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0x09, 0x05, // Usage (Game Pad)
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0xA1, 0x01, // Collection (Application)
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0x85, 0x01, // Report ID (1)
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0x09, 0x30, // Usage (X)
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0x09, 0x31, // Usage (Y)
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0x09, 0x32, // Usage (Z)
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0x09, 0x35, // Usage (Rz)
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0x09, 0x33, // Usage (Rx)
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0x09, 0x34, // Usage (Ry)
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0x15, 0x00, // Logical Minimum (0)
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0x26, 0xFF, 0x00, // Logical Maximum (255)
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0x75, 0x08, // Report Size (8)
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0x95, 0x06, // Report Count (6)
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0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
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0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00)
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||||
0x09, 0x20, // Usage (0x20)
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||||
0x95, 0x01, // Report Count (1)
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||||
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
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||||
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
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||||
0x09, 0x39, // Usage (Hat switch)
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||||
0x15, 0x00, // Logical Minimum (0)
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||||
0x25, 0x07, // Logical Maximum (7)
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||||
0x35, 0x00, // Physical Minimum (0)
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||||
0x46, 0x3B, 0x01, // Physical Maximum (315)
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||||
0x65, 0x14, // Unit (System: English Rotation, Length: Centimeter)
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0x75, 0x04, // Report Size (4)
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||||
0x95, 0x01, // Report Count (1)
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||||
0x81, 0x42, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State)
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||||
0x65, 0x00, // Unit (None)
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||||
0x05, 0x09, // Usage Page (Button)
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0x19, 0x01, // Usage Minimum (0x01)
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||||
0x29, 0x0F, // Usage Maximum (0x0F)
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||||
0x15, 0x00, // Logical Minimum (0)
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||||
0x25, 0x01, // Logical Maximum (1)
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||||
0x75, 0x01, // Report Size (1)
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||||
0x95, 0x0F, // Report Count (15)
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||||
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
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||||
0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00)
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||||
0x09, 0x21, // Usage (0x21)
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||||
0x95, 0x0D, // Report Count (13)
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||||
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
|
||||
0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00)
|
||||
0x09, 0x22, // Usage (0x22)
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||||
0x15, 0x00, // Logical Minimum (0)
|
||||
0x26, 0xFF, 0x00, // Logical Maximum (255)
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||||
0x75, 0x08, // Report Size (8)
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||||
0x95, 0x34, // Report Count (52)
|
||||
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
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||||
0x85, 0x02, // Report ID (2)
|
||||
0x09, 0x23, // Usage (0x23)
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||||
0x95, 0x2F, // Report Count (47)
|
||||
0x91, 0x02, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
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||||
0x85, 0x05, // Report ID (5)
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||||
0x09, 0x33, // Usage (0x33)
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||||
0x95, 0x28, // Report Count (40)
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||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
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||||
0x85, 0x08, // Report ID (8)
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||||
0x09, 0x34, // Usage (0x34)
|
||||
0x95, 0x2F, // Report Count (47)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0x09, // Report ID (9)
|
||||
0x09, 0x24, // Usage (0x24)
|
||||
0x95, 0x13, // Report Count (19)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0x0A, // Report ID (10)
|
||||
0x09, 0x25, // Usage (0x25)
|
||||
0x95, 0x1A, // Report Count (26)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0x0B, 0x09, 0x41, 0x95, 0x29, 0xB1, 0x02, // ID 0B (新增项)
|
||||
0x85, 0x0C, 0x09, 0x42, 0x95, 0x29, 0xB1, 0x02, // ID 0C (新增项)
|
||||
0x85, 0x20, // Report ID (32)
|
||||
0x09, 0x26, // Usage (0x26)
|
||||
0x95, 0x3F, // Report Count (63)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0x21, // Report ID (33)
|
||||
0x09, 0x27, // Usage (0x27)
|
||||
0x95, 0x04, // Report Count (4)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0x22, // Report ID (34)
|
||||
0x09, 0x40, // Usage (0x40)
|
||||
0x95, 0x3F, // Report Count (63)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0x80, // Report ID (128)
|
||||
0x09, 0x28, // Usage (0x28)
|
||||
0x95, 0x3F, // Report Count (63)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0x81, // Report ID (129)
|
||||
0x09, 0x29, // Usage (0x29)
|
||||
0x95, 0x3F, // Report Count (63)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0x82, // Report ID (130)
|
||||
0x09, 0x2A, // Usage (0x2A)
|
||||
0x95, 0x09, // Report Count (9)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0x83, // Report ID (131)
|
||||
0x09, 0x2B, // Usage (0x2B)
|
||||
0x95, 0x3F, // Report Count (63)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0x84, // Report ID (132)
|
||||
0x09, 0x2C, // Usage (0x2C)
|
||||
0x95, 0x3F, // Report Count (63)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0x85, // Report ID (133)
|
||||
0x09, 0x2D, // Usage (0x2D)
|
||||
0x95, 0x02, // Report Count (2)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0xA0, // Report ID (160)
|
||||
0x09, 0x2E, // Usage (0x2E)
|
||||
0x95, 0x01, // Report Count (1)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0xE0, // Report ID (224)
|
||||
0x09, 0x2F, // Usage (0x2F)
|
||||
0x95, 0x3F, // Report Count (63)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0xF0, // Report ID (240)
|
||||
0x09, 0x30, // Usage (0x30)
|
||||
0x95, 0x3F, // Report Count (63)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0xF1, // Report ID (241)
|
||||
0x09, 0x31, // Usage (0x31)
|
||||
0x95, 0x3F, // Report Count (63)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0xF2, // Report ID (242)
|
||||
0x09, 0x32, // Usage (0x32)
|
||||
0x95, 0x0F, // Report Count (15)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0xF4, // Report ID (244)
|
||||
0x09, 0x35, // Usage (0x35)
|
||||
0x95, 0x3F, // Report Count (63)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0x85, 0xF5, // Report ID (245)
|
||||
0x09, 0x36, // Usage (0x36)
|
||||
0x95, 0x03, // Report Count (3)
|
||||
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
|
||||
0xC0, // End Collection
|
||||
};
|
||||
|
||||
// Invoked when received GET HID REPORT DESCRIPTOR
|
||||
// Application return pointer to descriptor
|
||||
// Descriptor contents must exist long enough for transfer to complete
|
||||
uint8_t const *tud_hid_descriptor_report_cb(uint8_t itf) {
|
||||
(void) itf;
|
||||
return desc_hid_report;
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// String Descriptors
|
||||
//--------------------------------------------------------------------+
|
||||
|
||||
// String Descriptor Index
|
||||
enum {
|
||||
STRID_LANGID = 0,
|
||||
STRID_MANUFACTURER,
|
||||
STRID_PRODUCT,
|
||||
STRID_SERIAL,
|
||||
};
|
||||
|
||||
// array of pointer to string descriptors
|
||||
static char const *string_desc_arr[] =
|
||||
{
|
||||
(const char[]){0x09, 0x04}, // 0: is supported language is English (0x0409)
|
||||
"TinyUSB", // 1: Manufacturer
|
||||
"Wireless Controller", // 2: Product
|
||||
NULL, // 3: Serials will use unique ID if possible
|
||||
"UAC2 Speaker", // 4: Audio Interface
|
||||
"UAC1 Speaker", // 5: UAC1 Audio Interface
|
||||
};
|
||||
|
||||
static uint16_t _desc_str[60 + 1];
|
||||
|
||||
// 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) {
|
||||
(void) langid;
|
||||
size_t chr_count;
|
||||
|
||||
switch (index) {
|
||||
case STRID_LANGID:
|
||||
memcpy(&_desc_str[1], string_desc_arr[0], 2);
|
||||
chr_count = 1;
|
||||
break;
|
||||
|
||||
case STRID_SERIAL:
|
||||
chr_count = board_usb_get_serial(_desc_str + 1, 32);
|
||||
break;
|
||||
|
||||
default:
|
||||
// Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors.
|
||||
// https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors
|
||||
|
||||
if (!(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0]))) return NULL;
|
||||
|
||||
const char *str = string_desc_arr[index];
|
||||
|
||||
// Cap at max char
|
||||
chr_count = strlen(str);
|
||||
size_t const max_count = sizeof(_desc_str) / sizeof(_desc_str[0]) - 1; // -1 for string type
|
||||
if (chr_count > max_count) chr_count = max_count;
|
||||
|
||||
// Convert ASCII string into UTF-16
|
||||
for (size_t i = 0; i < chr_count; i++) {
|
||||
_desc_str[1 + i] = str[i];
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
// first byte is length (including header), second byte is string type
|
||||
_desc_str[0] = (uint16_t) ((TUSB_DESC_STRING << 8) | (2 * chr_count + 2));
|
||||
|
||||
return _desc_str;
|
||||
}
|
||||
Reference in New Issue
Block a user