diff options
Diffstat (limited to 'tinyusb/examples/device/uac2_headset/src')
| -rwxr-xr-x | tinyusb/examples/device/uac2_headset/src/main.c | 441 | ||||
| -rwxr-xr-x | tinyusb/examples/device/uac2_headset/src/tusb_config.h | 159 | ||||
| -rwxr-xr-x | tinyusb/examples/device/uac2_headset/src/usb_descriptors.c | 168 | ||||
| -rwxr-xr-x | tinyusb/examples/device/uac2_headset/src/usb_descriptors.h | 155 |
4 files changed, 923 insertions, 0 deletions
diff --git a/tinyusb/examples/device/uac2_headset/src/main.c b/tinyusb/examples/device/uac2_headset/src/main.c new file mode 100755 index 00000000..790af088 --- /dev/null +++ b/tinyusb/examples/device/uac2_headset/src/main.c @@ -0,0 +1,441 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2020 Jerzy Kasenberg + * + * 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. + * + */ + +#include <stdio.h> +#include <string.h> + +#include "bsp/board.h" +#include "tusb.h" +#include "usb_descriptors.h" + +//--------------------------------------------------------------------+ +// MACRO CONSTANT TYPEDEF PROTOTYPES +//--------------------------------------------------------------------+ + +// List of supported sample rates +#if defined(__RX__) +const uint32_t sample_rates[] = {44100, 48000}; +#else +const uint32_t sample_rates[] = {44100, 48000, 88200, 96000}; +#endif +uint32_t current_sample_rate = 44100; + +#define N_SAMPLE_RATES TU_ARRAY_SIZE(sample_rates) + +/* Blink pattern + * - 25 ms : streaming data + * - 250 ms : device not mounted + * - 1000 ms : device mounted + * - 2500 ms : device is suspended + */ +enum +{ + BLINK_STREAMING = 25, + BLINK_NOT_MOUNTED = 250, + BLINK_MOUNTED = 1000, + BLINK_SUSPENDED = 2500, +}; + +enum +{ + VOLUME_CTRL_0_DB = 0, + VOLUME_CTRL_10_DB = 2560, + VOLUME_CTRL_20_DB = 5120, + VOLUME_CTRL_30_DB = 7680, + VOLUME_CTRL_40_DB = 10240, + VOLUME_CTRL_50_DB = 12800, + VOLUME_CTRL_60_DB = 15360, + VOLUME_CTRL_70_DB = 17920, + VOLUME_CTRL_80_DB = 20480, + VOLUME_CTRL_90_DB = 23040, + VOLUME_CTRL_100_DB = 25600, + VOLUME_CTRL_SILENCE = 0x8000, +}; + +static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED; + +// Audio controls +// Current states +int8_t mute[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX + 1]; // +1 for master channel 0 +int16_t volume[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX + 1]; // +1 for master channel 0 + +// Buffer for microphone data +int32_t mic_buf[CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ / 4]; +// Buffer for speaker data +int32_t spk_buf[CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ / 4]; +// Speaker data size received in the last frame +int spk_data_size; +// Resolution per format +const uint8_t resolutions_per_format[CFG_TUD_AUDIO_FUNC_1_N_FORMATS] = {CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_RX, + CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_RX}; +// Current resolution, update on format change +uint8_t current_resolution; + +void led_blinking_task(void); +void audio_task(void); + +/*------------- MAIN -------------*/ +int main(void) +{ + board_init(); + + tusb_init(); + + TU_LOG1("Headset running\r\n"); + + while (1) + { + tud_task(); // TinyUSB device task + audio_task(); + led_blinking_task(); + } + + return 0; +} + +//--------------------------------------------------------------------+ +// Device callbacks +//--------------------------------------------------------------------+ + +// Invoked when device is mounted +void tud_mount_cb(void) +{ + blink_interval_ms = BLINK_MOUNTED; +} + +// Invoked when device is unmounted +void tud_umount_cb(void) +{ + blink_interval_ms = BLINK_NOT_MOUNTED; +} + +// Invoked when usb bus is suspended +// remote_wakeup_en : if host allow us to perform remote wakeup +// Within 7ms, device must draw an average of current less than 2.5 mA from bus +void tud_suspend_cb(bool remote_wakeup_en) +{ + (void)remote_wakeup_en; + blink_interval_ms = BLINK_SUSPENDED; +} + +// Invoked when usb bus is resumed +void tud_resume_cb(void) +{ + blink_interval_ms = BLINK_MOUNTED; +} + +// Helper for clock get requests +static bool tud_audio_clock_get_request(uint8_t rhport, audio_control_request_t const *request) +{ + TU_ASSERT(request->bEntityID == UAC2_ENTITY_CLOCK); + + if (request->bControlSelector == AUDIO_CS_CTRL_SAM_FREQ) + { + if (request->bRequest == AUDIO_CS_REQ_CUR) + { + TU_LOG1("Clock get current freq %u\r\n", current_sample_rate); + + audio_control_cur_4_t curf = { tu_htole32(current_sample_rate) }; + return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &curf, sizeof(curf)); + } + else if (request->bRequest == AUDIO_CS_REQ_RANGE) + { + audio_control_range_4_n_t(N_SAMPLE_RATES) rangef = + { + .wNumSubRanges = tu_htole16(N_SAMPLE_RATES) + }; + TU_LOG1("Clock get %d freq ranges\r\n", N_SAMPLE_RATES); + for(uint8_t i = 0; i < N_SAMPLE_RATES; i++) + { + rangef.subrange[i].bMin = sample_rates[i]; + rangef.subrange[i].bMax = sample_rates[i]; + rangef.subrange[i].bRes = 0; + TU_LOG1("Range %d (%d, %d, %d)\r\n", i, (int)rangef.subrange[i].bMin, (int)rangef.subrange[i].bMax, (int)rangef.subrange[i].bRes); + } + + return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &rangef, sizeof(rangef)); + } + } + else if (request->bControlSelector == AUDIO_CS_CTRL_CLK_VALID && + request->bRequest == AUDIO_CS_REQ_CUR) + { + audio_control_cur_1_t cur_valid = { .bCur = 1 }; + TU_LOG1("Clock get is valid %u\r\n", cur_valid.bCur); + return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &cur_valid, sizeof(cur_valid)); + } + TU_LOG1("Clock get request not supported, entity = %u, selector = %u, request = %u\r\n", + request->bEntityID, request->bControlSelector, request->bRequest); + return false; +} + +// Helper for clock set requests +static bool tud_audio_clock_set_request(uint8_t rhport, audio_control_request_t const *request, uint8_t const *buf) +{ + (void)rhport; + + TU_ASSERT(request->bEntityID == UAC2_ENTITY_CLOCK); + TU_VERIFY(request->bRequest == AUDIO_CS_REQ_CUR); + + if (request->bControlSelector == AUDIO_CS_CTRL_SAM_FREQ) + { + TU_VERIFY(request->wLength == sizeof(audio_control_cur_4_t)); + + current_sample_rate = ((audio_control_cur_4_t *)buf)->bCur; + + TU_LOG1("Clock set current freq: %d\r\n", current_sample_rate); + + return true; + } + else + { + TU_LOG1("Clock set request not supported, entity = %u, selector = %u, request = %u\r\n", + request->bEntityID, request->bControlSelector, request->bRequest); + return false; + } +} + +// Helper for feature unit get requests +static bool tud_audio_feature_unit_get_request(uint8_t rhport, audio_control_request_t const *request) +{ + TU_ASSERT(request->bEntityID == UAC2_ENTITY_SPK_FEATURE_UNIT); + + if (request->bControlSelector == AUDIO_FU_CTRL_MUTE && request->bRequest == AUDIO_CS_REQ_CUR) + { + audio_control_cur_1_t mute1 = { .bCur = mute[request->bChannelNumber] }; + TU_LOG1("Get channel %u mute %d\r\n", request->bChannelNumber, mute1.bCur); + return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &mute1, sizeof(mute1)); + } + else if (UAC2_ENTITY_SPK_FEATURE_UNIT && request->bControlSelector == AUDIO_FU_CTRL_VOLUME) + { + if (request->bRequest == AUDIO_CS_REQ_RANGE) + { + audio_control_range_2_n_t(1) range_vol = { + .wNumSubRanges = tu_htole16(1), + .subrange[0] = { .bMin = tu_htole16(-VOLUME_CTRL_50_DB), tu_htole16(VOLUME_CTRL_0_DB), tu_htole16(256) } + }; + TU_LOG1("Get channel %u volume range (%d, %d, %u) dB\r\n", request->bChannelNumber, + range_vol.subrange[0].bMin / 256, range_vol.subrange[0].bMax / 256, range_vol.subrange[0].bRes / 256); + return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &range_vol, sizeof(range_vol)); + } + else if (request->bRequest == AUDIO_CS_REQ_CUR) + { + audio_control_cur_2_t cur_vol = { .bCur = tu_htole16(volume[request->bChannelNumber]) }; + TU_LOG1("Get channel %u volume %d dB\r\n", request->bChannelNumber, cur_vol.bCur / 256); + return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &cur_vol, sizeof(cur_vol)); + } + } + TU_LOG1("Feature unit get request not supported, entity = %u, selector = %u, request = %u\r\n", + request->bEntityID, request->bControlSelector, request->bRequest); + + return false; +} + +// Helper for feature unit set requests +static bool tud_audio_feature_unit_set_request(uint8_t rhport, audio_control_request_t const *request, uint8_t const *buf) +{ + (void)rhport; + + TU_ASSERT(request->bEntityID == UAC2_ENTITY_SPK_FEATURE_UNIT); + TU_VERIFY(request->bRequest == AUDIO_CS_REQ_CUR); + + if (request->bControlSelector == AUDIO_FU_CTRL_MUTE) + { + TU_VERIFY(request->wLength == sizeof(audio_control_cur_1_t)); + + mute[request->bChannelNumber] = ((audio_control_cur_1_t *)buf)->bCur; + + TU_LOG1("Set channel %d Mute: %d\r\n", request->bChannelNumber, mute[request->bChannelNumber]); + + return true; + } + else if (request->bControlSelector == AUDIO_FU_CTRL_VOLUME) + { + TU_VERIFY(request->wLength == sizeof(audio_control_cur_2_t)); + + volume[request->bChannelNumber] = ((audio_control_cur_2_t const *)buf)->bCur; + + TU_LOG1("Set channel %d volume: %d dB\r\n", request->bChannelNumber, volume[request->bChannelNumber] / 256); + + return true; + } + else + { + TU_LOG1("Feature unit set request not supported, entity = %u, selector = %u, request = %u\r\n", + request->bEntityID, request->bControlSelector, request->bRequest); + return false; + } +} + +//--------------------------------------------------------------------+ +// Application Callback API Implementations +//--------------------------------------------------------------------+ + +// Invoked when audio class specific get request received for an entity +bool tud_audio_get_req_entity_cb(uint8_t rhport, tusb_control_request_t const *p_request) +{ + audio_control_request_t *request = (audio_control_request_t *)p_request; + + if (request->bEntityID == UAC2_ENTITY_CLOCK) + return tud_audio_clock_get_request(rhport, request); + if (request->bEntityID == UAC2_ENTITY_SPK_FEATURE_UNIT) + return tud_audio_feature_unit_get_request(rhport, request); + else + { + TU_LOG1("Get request not handled, entity = %d, selector = %d, request = %d\r\n", + request->bEntityID, request->bControlSelector, request->bRequest); + } + return false; +} + +// Invoked when audio class specific set request received for an entity +bool tud_audio_set_req_entity_cb(uint8_t rhport, tusb_control_request_t const *p_request, uint8_t *buf) +{ + audio_control_request_t const *request = (audio_control_request_t const *)p_request; + + if (request->bEntityID == UAC2_ENTITY_SPK_FEATURE_UNIT) + return tud_audio_feature_unit_set_request(rhport, request, buf); + if (request->bEntityID == UAC2_ENTITY_CLOCK) + return tud_audio_clock_set_request(rhport, request, buf); + TU_LOG1("Set request not handled, entity = %d, selector = %d, request = %d\r\n", + request->bEntityID, request->bControlSelector, request->bRequest); + + return false; +} + +bool tud_audio_set_itf_close_EP_cb(uint8_t rhport, tusb_control_request_t const * p_request) +{ + (void)rhport; + + uint8_t const itf = tu_u16_low(tu_le16toh(p_request->wIndex)); + uint8_t const alt = tu_u16_low(tu_le16toh(p_request->wValue)); + + if (ITF_NUM_AUDIO_STREAMING_SPK == itf && alt == 0) + blink_interval_ms = BLINK_MOUNTED; + + return true; +} + +bool tud_audio_set_itf_cb(uint8_t rhport, tusb_control_request_t const * p_request) +{ + (void)rhport; + uint8_t const itf = tu_u16_low(tu_le16toh(p_request->wIndex)); + uint8_t const alt = tu_u16_low(tu_le16toh(p_request->wValue)); + + TU_LOG2("Set interface %d alt %d\r\n", itf, alt); + if (ITF_NUM_AUDIO_STREAMING_SPK == itf && alt != 0) + blink_interval_ms = BLINK_STREAMING; + + // Clear buffer when streaming format is changed + spk_data_size = 0; + if(alt != 0) + { + current_resolution = resolutions_per_format[alt-1]; + } + + return true; +} + +bool tud_audio_rx_done_pre_read_cb(uint8_t rhport, uint16_t n_bytes_received, uint8_t func_id, uint8_t ep_out, uint8_t cur_alt_setting) +{ + (void)rhport; + (void)func_id; + (void)ep_out; + (void)cur_alt_setting; + + spk_data_size = tud_audio_read(spk_buf, n_bytes_received); + return true; +} + +bool tud_audio_tx_done_pre_load_cb(uint8_t rhport, uint8_t itf, uint8_t ep_in, uint8_t cur_alt_setting) +{ + (void)rhport; + (void)itf; + (void)ep_in; + (void)cur_alt_setting; + + // This callback could be used to fill microphone data separately + return true; +} + +//--------------------------------------------------------------------+ +// AUDIO Task +//--------------------------------------------------------------------+ + +void audio_task(void) +{ + // When new data arrived, copy data from speaker buffer, to microphone buffer + // and send it over + // Only support speaker & headphone both have the same resolution + // If one is 16bit another is 24bit be care of LOUD noise ! + if (spk_data_size) + { + if (current_resolution == 16) + { + int16_t *src = (int16_t*)spk_buf; + int16_t *limit = (int16_t*)spk_buf + spk_data_size / 2; + int16_t *dst = (int16_t*)mic_buf; + while (src < limit) + { + // Combine two channels into one + int32_t left = *src++; + int32_t right = *src++; + *dst++ = (left >> 1) + (right >> 1); + } + tud_audio_write((uint8_t *)mic_buf, spk_data_size / 2); + spk_data_size = 0; + } + else if (current_resolution == 24) + { + int32_t *src = spk_buf; + int32_t *limit = spk_buf + spk_data_size / 4; + int32_t *dst = mic_buf; + while (src < limit) + { + // Combine two channels into one + int32_t left = *src++; + int32_t right = *src++; + *dst++ = ((left >> 1) + (right >> 1)) & 0xffffff00; + } + tud_audio_write((uint8_t *)mic_buf, spk_data_size / 2); + spk_data_size = 0; + } + } +} + +//--------------------------------------------------------------------+ +// BLINKING TASK +//--------------------------------------------------------------------+ +void led_blinking_task(void) +{ + static uint32_t start_ms = 0; + static bool led_state = false; + + // Blink every interval ms + if (board_millis() - start_ms < blink_interval_ms) return; + start_ms += blink_interval_ms; + + board_led_write(led_state); + led_state = 1 - led_state; +} diff --git a/tinyusb/examples/device/uac2_headset/src/tusb_config.h b/tinyusb/examples/device/uac2_headset/src/tusb_config.h new file mode 100755 index 00000000..e8d93f56 --- /dev/null +++ b/tinyusb/examples/device/uac2_headset/src/tusb_config.h @@ -0,0 +1,159 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2020 Ha Thach (tinyusb.org) + * Copyright (c) 2020 Jerzy Kasenberg + * + * 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. + * + */ + +#ifndef _TUSB_CONFIG_H_ +#define _TUSB_CONFIG_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +//-------------------------------------------------------------------- +// COMMON CONFIGURATION +//-------------------------------------------------------------------- + +#include "usb_descriptors.h" + +// defined by compiler flags for flexibility +#ifndef CFG_TUSB_MCU +#error CFG_TUSB_MCU must be defined +#endif + +#if CFG_TUSB_MCU == OPT_MCU_LPC43XX || CFG_TUSB_MCU == OPT_MCU_LPC18XX || CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX +#define CFG_TUSB_RHPORT0_MODE (OPT_MODE_DEVICE | OPT_MODE_HIGH_SPEED) +#else +#define CFG_TUSB_RHPORT0_MODE OPT_MODE_DEVICE +#endif + +#ifndef CFG_TUSB_OS +#define CFG_TUSB_OS OPT_OS_NONE +#endif + +#ifndef CFG_TUSB_DEBUG +// Can be set during compilation i.e.: make LOG=<value for CFG_TUSB_DEBUG> BOARD=<bsp> +// Keep in mind that enabling logs when data is streaming can disrupt data flow. +// It can be very helpful though when audio unit requests are tested/debugged. +#define CFG_TUSB_DEBUG 0 +#endif + +/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment. + * Tinyusb use follows macros to declare transferring memory so that they can be put + * into those specific section. + * e.g + * - CFG_TUSB_MEM SECTION : __attribute__ (( section(".usb_ram") )) + * - CFG_TUSB_MEM_ALIGN : __attribute__ ((aligned(4))) + */ +#ifndef CFG_TUSB_MEM_SECTION +#define CFG_TUSB_MEM_SECTION +#endif + +#ifndef CFG_TUSB_MEM_ALIGN +#define CFG_TUSB_MEM_ALIGN __attribute__ ((aligned(4))) +#endif + +//-------------------------------------------------------------------- +// DEVICE CONFIGURATION +//-------------------------------------------------------------------- + +#ifndef CFG_TUD_ENDPOINT0_SIZE +#define CFG_TUD_ENDPOINT0_SIZE 64 +#endif + +//------------- CLASS -------------// +#define CFG_TUD_CDC 0 +#define CFG_TUD_MSC 0 +#define CFG_TUD_HID 0 +#define CFG_TUD_MIDI 0 +#define CFG_TUD_AUDIO 1 +#define CFG_TUD_VENDOR 0 + +//-------------------------------------------------------------------- +// AUDIO CLASS DRIVER CONFIGURATION +//-------------------------------------------------------------------- + +#define CFG_TUD_AUDIO_FUNC_1_DESC_LEN TUD_AUDIO_HEADSET_STEREO_DESC_LEN + +// How many formats are used, need to adjust USB descriptor if changed +#define CFG_TUD_AUDIO_FUNC_1_N_FORMATS 2 + +// Audio format type I specifications +#if defined(__RX__) +#define CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE 48000 // 16bit/48kHz is the best quality for Renesas RX +#else +#define CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE 96000 // 24bit/96kHz is the best quality for full-speed, high-speed is needed beyond this +#endif +#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX 1 +#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX 2 + +// 16bit in 16bit slots +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX 2 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_TX 16 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX 2 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_RX 16 + +#if defined(__RX__) +// 8bit in 8bit slots +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_TX 1 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_TX 8 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_RX 1 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_RX 8 +#else +// 24bit in 32bit slots +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_TX 4 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_TX 24 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_RX 4 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_RX 24 +#endif + +// EP and buffer size - for isochronous EP´s, the buffer and EP size are equal (different sizes would not make sense) +#define CFG_TUD_AUDIO_ENABLE_EP_IN 1 + +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX) +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX) + +#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ TU_MAX(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN)*2 +#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX TU_MAX(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN) // Maximum EP IN size for all AS alternate settings used + +// EP and buffer size - for isochronous EP´s, the buffer and EP size are equal (different sizes would not make sense) +#define CFG_TUD_AUDIO_ENABLE_EP_OUT 1 + +#define CFG_TUD_AUDIO_UNC_1_FORMAT_1_EP_SZ_OUT TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX) +#define CFG_TUD_AUDIO_UNC_1_FORMAT_2_EP_SZ_OUT TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX) + +#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ TU_MAX(CFG_TUD_AUDIO_UNC_1_FORMAT_1_EP_SZ_OUT, CFG_TUD_AUDIO_UNC_1_FORMAT_2_EP_SZ_OUT)*2 +#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SZ_MAX TU_MAX(CFG_TUD_AUDIO_UNC_1_FORMAT_1_EP_SZ_OUT, CFG_TUD_AUDIO_UNC_1_FORMAT_2_EP_SZ_OUT) // Maximum EP IN size for all AS alternate settings used + +// Number of Standard AS Interface Descriptors (4.9.1) defined per audio function - this is required to be able to remember the current alternate settings of these interfaces - We restrict us here to have a constant number for all audio functions (which means this has to be the maximum number of AS interfaces an audio function has and a second audio function with less AS interfaces just wastes a few bytes) +#define CFG_TUD_AUDIO_FUNC_1_N_AS_INT 2 + +// Size of control request buffer +#define CFG_TUD_AUDIO_FUNC_1_CTRL_BUF_SZ 64 + +#ifdef __cplusplus +} +#endif + +#endif /* _TUSB_CONFIG_H_ */ diff --git a/tinyusb/examples/device/uac2_headset/src/usb_descriptors.c b/tinyusb/examples/device/uac2_headset/src/usb_descriptors.c new file mode 100755 index 00000000..4a26b0b1 --- /dev/null +++ b/tinyusb/examples/device/uac2_headset/src/usb_descriptors.c @@ -0,0 +1,168 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2020 Ha Thach (tinyusb.org) + * Copyright (c) 2020 Jerzy Kasenberg + * + * 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. + * + */ + +#include "tusb.h" +#include "usb_descriptors.h" + +/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug. + * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC. + * + * Auto ProductID layout's Bitmap: + * [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB] + */ +#define _PID_MAP(itf, n) ( (CFG_TUD_##itf) << (n) ) +#define USB_PID (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \ + _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VENDOR, 5) ) + +//--------------------------------------------------------------------+ +// Device Descriptors +//--------------------------------------------------------------------+ +tusb_desc_device_t const desc_device = +{ + .bLength = sizeof(tusb_desc_device_t), + .bDescriptorType = TUSB_DESC_DEVICE, + .bcdUSB = 0x0200, + + // Use Interface Association Descriptor (IAD) for CDC + // As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1) + .bDeviceClass = TUSB_CLASS_MISC, + .bDeviceSubClass = MISC_SUBCLASS_COMMON, + .bDeviceProtocol = MISC_PROTOCOL_IAD, + .bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE, + + .idVendor = 0xCafe, + .idProduct = USB_PID, + .bcdDevice = 0x0100, + + .iManufacturer = 0x01, + .iProduct = 0x02, + .iSerialNumber = 0x03, + + .bNumConfigurations = 0x01 +}; + +// Invoked when received GET DEVICE DESCRIPTOR +// Application return pointer to descriptor +uint8_t const * tud_descriptor_device_cb(void) +{ + return (uint8_t const *)&desc_device; +} + +//--------------------------------------------------------------------+ +// Configuration Descriptor +//--------------------------------------------------------------------+ +#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + CFG_TUD_AUDIO * TUD_AUDIO_HEADSET_STEREO_DESC_LEN) + +#if CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC177X_8X || CFG_TUSB_MCU == OPT_MCU_LPC40XX +// LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number +// 0 control, 1 In, 2 Bulk, 3 Iso, 4 In etc ... +#define EPNUM_AUDIO_IN 0x03 +#define EPNUM_AUDIO_OUT 0x03 +#elif CFG_TUSB_MCU == OPT_MCU_NRF5X +// ISO endpoints for NRF5x are fixed to 0x08 (0x88) +#define EPNUM_AUDIO_IN 0x08 +#define EPNUM_AUDIO_OUT 0x08 +#elif CFG_TUSB_MCU == OPT_MCU_SAMG || CFG_TUSB_MCU == OPT_MCU_SAMX7X +// SAMG & SAME70 don't support a same endpoint number with different direction IN and OUT +// e.g EP1 OUT & EP1 IN cannot exist together +#define EPNUM_AUDIO_IN 0x01 +#define EPNUM_AUDIO_OUT 0x02 +#else +#define EPNUM_AUDIO_IN 0x01 +#define EPNUM_AUDIO_OUT 0x01 +#endif + +uint8_t const desc_configuration[] = +{ + // Interface count, string index, total length, attribute, power in mA + TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100), + + // Interface number, string index, EP Out & EP In address, EP size + TUD_AUDIO_HEADSET_STEREO_DESCRIPTOR(2, EPNUM_AUDIO_OUT, EPNUM_AUDIO_IN | 0x80) +}; + +// Invoked when received GET CONFIGURATION DESCRIPTOR +// Application return pointer to descriptor +// Descriptor contents must exist long enough for transfer to complete +uint8_t const * tud_descriptor_configuration_cb(uint8_t index) +{ + (void)index; // for multiple configurations + return desc_configuration; +} + +//--------------------------------------------------------------------+ +// String Descriptors +//--------------------------------------------------------------------+ + +// array of pointer to string descriptors +char const* string_desc_arr [] = +{ + (const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409) + "TinyUSB", // 1: Manufacturer + "TinyUSB headset", // 2: Product + "000001", // 3: Serials, should use chip ID + "TinyUSB Speakers", // 4: Audio Interface + "TinyUSB Microphone", // 5: Audio Interface +}; + +static uint16_t _desc_str[32]; + +// 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; + + uint8_t chr_count; + + if (index == 0) + { + memcpy(&_desc_str[1], string_desc_arr[0], 2); + chr_count = 1; + } + else + { + // Convert ASCII string into UTF-16 + + 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); + if (chr_count > 31) chr_count = 31; + + for (uint8_t i = 0; i < chr_count; i++) + { + _desc_str[1 + i] = str[i]; + } + } + + // first byte is length (including header), second byte is string type + _desc_str[0] = (TUSB_DESC_STRING << 8 ) | (2 * chr_count + 2); + + return _desc_str; +} diff --git a/tinyusb/examples/device/uac2_headset/src/usb_descriptors.h b/tinyusb/examples/device/uac2_headset/src/usb_descriptors.h new file mode 100755 index 00000000..d9510ea4 --- /dev/null +++ b/tinyusb/examples/device/uac2_headset/src/usb_descriptors.h @@ -0,0 +1,155 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2020 Jerzy Kasenbreg + * + * 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. + * + */ + +#ifndef _USB_DESCRIPTORS_H_ +#define _USB_DESCRIPTORS_H_ + +// #include "tusb.h" + +// Unit numbers are arbitrary selected +#define UAC2_ENTITY_CLOCK 0x04 +// Speaker path +#define UAC2_ENTITY_SPK_INPUT_TERMINAL 0x01 +#define UAC2_ENTITY_SPK_FEATURE_UNIT 0x02 +#define UAC2_ENTITY_SPK_OUTPUT_TERMINAL 0x03 +// Microphone path +#define UAC2_ENTITY_MIC_INPUT_TERMINAL 0x11 +#define UAC2_ENTITY_MIC_OUTPUT_TERMINAL 0x13 + +enum +{ + ITF_NUM_AUDIO_CONTROL = 0, + ITF_NUM_AUDIO_STREAMING_SPK, + ITF_NUM_AUDIO_STREAMING_MIC, + ITF_NUM_TOTAL +}; + +#define TUD_AUDIO_HEADSET_STEREO_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_FEATURE_UNIT_TWO_CHANNEL_LEN\ + + TUD_AUDIO_DESC_OUTPUT_TERM_LEN\ + + TUD_AUDIO_DESC_INPUT_TERM_LEN\ + + TUD_AUDIO_DESC_OUTPUT_TERM_LEN\ + /* Interface 1, Alternate 0 */\ + + TUD_AUDIO_DESC_STD_AS_INT_LEN\ + /* Interface 1, Alternate 0 */\ + + 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\ + /* Interface 1, Alternate 2 */\ + + 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\ + /* Interface 2, Alternate 0 */\ + + TUD_AUDIO_DESC_STD_AS_INT_LEN\ + /* Interface 2, Alternate 1 */\ + + 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\ + /* Interface 2, Alternate 2 */\ + + 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_HEADSET_STEREO_DESCRIPTOR(_stridx, _epout, _epin) \ + /* Standard Interface Association Descriptor (IAD) */\ + TUD_AUDIO_DESC_IAD(/*_firstitfs*/ ITF_NUM_AUDIO_CONTROL, /*_nitfs*/ ITF_NUM_TOTAL, /*_stridx*/ 0x00),\ + /* Standard AC Interface Descriptor(4.7.1) */\ + TUD_AUDIO_DESC_STD_AC(/*_itfnum*/ ITF_NUM_AUDIO_CONTROL, /*_nEPs*/ 0x00, /*_stridx*/ _stridx),\ + /* Class-Specific AC Interface Header Descriptor(4.7.2) */\ + TUD_AUDIO_DESC_CS_AC(/*_bcdADC*/ 0x0200, /*_category*/ AUDIO_FUNC_HEADSET, /*_totallen*/ TUD_AUDIO_DESC_CLK_SRC_LEN+TUD_AUDIO_DESC_FEATURE_UNIT_TWO_CHANNEL_LEN+TUD_AUDIO_DESC_INPUT_TERM_LEN+TUD_AUDIO_DESC_OUTPUT_TERM_LEN+TUD_AUDIO_DESC_INPUT_TERM_LEN+TUD_AUDIO_DESC_OUTPUT_TERM_LEN, /*_ctrl*/ AUDIO_CS_AS_INTERFACE_CTRL_LATENCY_POS),\ + /* Clock Source Descriptor(4.7.2.1) */\ + TUD_AUDIO_DESC_CLK_SRC(/*_clkid*/ UAC2_ENTITY_CLOCK, /*_attr*/ 3, /*_ctrl*/ 7, /*_assocTerm*/ 0x00, /*_stridx*/ 0x00), \ + /* Input Terminal Descriptor(4.7.2.4) */\ + TUD_AUDIO_DESC_INPUT_TERM(/*_termid*/ UAC2_ENTITY_SPK_INPUT_TERMINAL, /*_termtype*/ AUDIO_TERM_TYPE_USB_STREAMING, /*_assocTerm*/ 0x00, /*_clkid*/ UAC2_ENTITY_CLOCK, /*_nchannelslogical*/ 0x02, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_idxchannelnames*/ 0x00, /*_ctrl*/ 0 * (AUDIO_CTRL_R << AUDIO_IN_TERM_CTRL_CONNECTOR_POS), /*_stridx*/ 0x00),\ + /* Feature Unit Descriptor(4.7.2.8) */\ + TUD_AUDIO_DESC_FEATURE_UNIT_TWO_CHANNEL(/*_unitid*/ UAC2_ENTITY_SPK_FEATURE_UNIT, /*_srcid*/ UAC2_ENTITY_SPK_INPUT_TERMINAL, /*_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), /*_stridx*/ 0x00),\ + /* Output Terminal Descriptor(4.7.2.5) */\ + TUD_AUDIO_DESC_OUTPUT_TERM(/*_termid*/ UAC2_ENTITY_SPK_OUTPUT_TERMINAL, /*_termtype*/ AUDIO_TERM_TYPE_OUT_HEADPHONES, /*_assocTerm*/ 0x00, /*_srcid*/ UAC2_ENTITY_SPK_FEATURE_UNIT, /*_clkid*/ UAC2_ENTITY_CLOCK, /*_ctrl*/ 0x0000, /*_stridx*/ 0x00),\ + /* Input Terminal Descriptor(4.7.2.4) */\ + TUD_AUDIO_DESC_INPUT_TERM(/*_termid*/ UAC2_ENTITY_MIC_INPUT_TERMINAL, /*_termtype*/ AUDIO_TERM_TYPE_IN_GENERIC_MIC, /*_assocTerm*/ 0x00, /*_clkid*/ UAC2_ENTITY_CLOCK, /*_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*/ UAC2_ENTITY_MIC_OUTPUT_TERMINAL, /*_termtype*/ AUDIO_TERM_TYPE_USB_STREAMING, /*_assocTerm*/ 0x00, /*_srcid*/ UAC2_ENTITY_MIC_INPUT_TERMINAL, /*_clkid*/ UAC2_ENTITY_CLOCK, /*_ctrl*/ 0x0000, /*_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)(ITF_NUM_AUDIO_STREAMING_SPK), /*_altset*/ 0x00, /*_nEPs*/ 0x00, /*_stridx*/ 0x05),\ + /* 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)(ITF_NUM_AUDIO_STREAMING_SPK), /*_altset*/ 0x01, /*_nEPs*/ 0x01, /*_stridx*/ 0x05),\ + /* Class-Specific AS Interface Descriptor(4.9.2) */\ + TUD_AUDIO_DESC_CS_AS_INT(/*_termid*/ UAC2_ENTITY_SPK_INPUT_TERMINAL, /*_ctrl*/ AUDIO_CTRL_NONE, /*_formattype*/ AUDIO_FORMAT_TYPE_I, /*_formats*/ AUDIO_DATA_FORMAT_TYPE_I_PCM, /*_nchannelsphysical*/ CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX, /*_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(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_RX),\ + /* 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_ADAPTIVE | TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX), /*_interval*/ 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_MILLISEC, /*_lockdelay*/ 0x0001),\ + /* Interface 1, Alternate 2 - alternate interface for data streaming */\ + TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)(ITF_NUM_AUDIO_STREAMING_SPK), /*_altset*/ 0x02, /*_nEPs*/ 0x01, /*_stridx*/ 0x05),\ + /* Class-Specific AS Interface Descriptor(4.9.2) */\ + TUD_AUDIO_DESC_CS_AS_INT(/*_termid*/ UAC2_ENTITY_SPK_INPUT_TERMINAL, /*_ctrl*/ AUDIO_CTRL_NONE, /*_formattype*/ AUDIO_FORMAT_TYPE_I, /*_formats*/ AUDIO_DATA_FORMAT_TYPE_I_PCM, /*_nchannelsphysical*/ CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX, /*_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(CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_RX),\ + /* 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_ADAPTIVE | TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX), /*_interval*/ 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_MILLISEC, /*_lockdelay*/ 0x0001),\ + /* Standard AS Interface Descriptor(4.9.1) */\ + /* Interface 2, Alternate 0 - default alternate setting with 0 bandwidth */\ + TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)(ITF_NUM_AUDIO_STREAMING_MIC), /*_altset*/ 0x00, /*_nEPs*/ 0x00, /*_stridx*/ 0x04),\ + /* Standard AS Interface Descriptor(4.9.1) */\ + /* Interface 2, Alternate 1 - alternate interface for data streaming */\ + TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)(ITF_NUM_AUDIO_STREAMING_MIC), /*_altset*/ 0x01, /*_nEPs*/ 0x01, /*_stridx*/ 0x04),\ + /* Class-Specific AS Interface Descriptor(4.9.2) */\ + TUD_AUDIO_DESC_CS_AS_INT(/*_termid*/ UAC2_ENTITY_MIC_OUTPUT_TERMINAL, /*_ctrl*/ AUDIO_CTRL_NONE, /*_formattype*/ AUDIO_FORMAT_TYPE_I, /*_formats*/ AUDIO_DATA_FORMAT_TYPE_I_PCM, /*_nchannelsphysical*/ CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX, /*_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(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_TX),\ + /* 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*/ TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX), /*_interval*/ 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),\ + /* Interface 2, Alternate 2 - alternate interface for data streaming */\ + TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)(ITF_NUM_AUDIO_STREAMING_MIC), /*_altset*/ 0x02, /*_nEPs*/ 0x01, /*_stridx*/ 0x04),\ + /* Class-Specific AS Interface Descriptor(4.9.2) */\ + TUD_AUDIO_DESC_CS_AS_INT(/*_termid*/ UAC2_ENTITY_MIC_OUTPUT_TERMINAL, /*_ctrl*/ AUDIO_CTRL_NONE, /*_formattype*/ AUDIO_FORMAT_TYPE_I, /*_formats*/ AUDIO_DATA_FORMAT_TYPE_I_PCM, /*_nchannelsphysical*/ CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX, /*_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(CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_TX),\ + /* 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*/ TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX), /*_interval*/ 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) + +#endif |