diff --git a/examples/device/uac2_headset/.skip.MCU_LPC11UXX b/examples/device/uac2_headset/.skip.MCU_LPC11UXX new file mode 100644 index 000000000..e69de29bb diff --git a/examples/device/uac2_headset/.skip.MCU_LPC13XX b/examples/device/uac2_headset/.skip.MCU_LPC13XX new file mode 100644 index 000000000..e69de29bb diff --git a/examples/device/uac2_headset/.skip.MCU_NUC121 b/examples/device/uac2_headset/.skip.MCU_NUC121 new file mode 100644 index 000000000..e69de29bb diff --git a/examples/device/uac2_headset/src/main.c b/examples/device/uac2_headset/src/main.c index 1b6a770a3..ba27350b4 100644 --- a/examples/device/uac2_headset/src/main.c +++ b/examples/device/uac2_headset/src/main.c @@ -34,9 +34,11 @@ // MACRO CONSTANT TYPEDEF PROTOTYPES //--------------------------------------------------------------------+ -#ifndef AUDIO_SAMPLE_RATE -#define AUDIO_SAMPLE_RATE 48000 -#endif +// List of supported sample rates +const uint32_t sample_rates[] = {44100, 48000, 88200, 96000}; +uint32_t current_sample_rate = 44100; + +#define N_SAMPLE_RATES TU_ARRAY_SIZE(sample_rates) /* Blink pattern * - 25 ms : streaming data @@ -76,11 +78,16 @@ int8_t mute[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX + 1]; // +1 for master chan int16_t volume[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX + 1]; // +1 for master channel 0 // Buffer for microphone data -int16_t mic_buf[1000]; +int32_t mic_buf[CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ / 4]; // Buffer for speaker data -int16_t spk_buf[1000]; +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); @@ -135,55 +142,35 @@ void tud_resume_cb(void) blink_interval_ms = BLINK_MOUNTED; } -typedef struct TU_ATTR_PACKED -{ - union - { - struct TU_ATTR_PACKED - { - uint8_t recipient : 5; ///< Recipient type tusb_request_recipient_t. - uint8_t type : 2; ///< Request type tusb_request_type_t. - uint8_t direction : 1; ///< Direction type. tusb_dir_t - } bmRequestType_bit; - - uint8_t bmRequestType; - }; - - uint8_t bRequest; ///< Request type audio_cs_req_t - uint8_t bChannelNumber; - uint8_t bControlSelector; - union - { - uint8_t bInterface; - uint8_t bEndpoint; - }; - uint8_t bEntityID; - uint16_t wLength; -} audio_control_request_t; - // 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); - // Example supports only single frequency, same value will be used for current value and range if (request->bControlSelector == AUDIO_CS_CTRL_SAM_FREQ) { if (request->bRequest == AUDIO_CS_REQ_CUR) { - TU_LOG2("Clock get current freq %u\r\n", AUDIO_SAMPLE_RATE); + TU_LOG1("Clock get current freq %u\r\n", current_sample_rate); - audio_control_cur_4_t curf = { tu_htole32(AUDIO_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(1) rangef = + audio_control_range_4_n_t(N_SAMPLE_RATES) rangef = { - .wNumSubRanges = tu_htole16(1), - .subrange[0] = { tu_htole32(AUDIO_SAMPLE_RATE), tu_htole32(AUDIO_SAMPLE_RATE), 0} + .wNumSubRanges = tu_htole16(N_SAMPLE_RATES) }; - TU_LOG2("Clock get freq range (%d, %d, %d)\r\n", (int)rangef.subrange[0].bMin, (int)rangef.subrange[0].bMax, (int)rangef.subrange[0].bRes); + 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)); } } @@ -191,7 +178,7 @@ static bool tud_audio_clock_get_request(uint8_t rhport, audio_control_request_t request->bRequest == AUDIO_CS_REQ_CUR) { audio_control_cur_1_t cur_valid = { .bCur = 1 }; - TU_LOG2("Clock get is valid %u\r\n", cur_valid.bCur); + 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", @@ -199,6 +186,32 @@ static bool tud_audio_clock_get_request(uint8_t rhport, audio_control_request_t 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) { @@ -207,7 +220,7 @@ static bool tud_audio_feature_unit_get_request(uint8_t rhport, audio_control_req if (request->bControlSelector == AUDIO_FU_CTRL_MUTE && request->bRequest == AUDIO_CS_REQ_CUR) { audio_control_cur_1_t mute1 = { .bCur = mute[request->bChannelNumber] }; - TU_LOG2("Get channel %u mute %d\r\n", request->bChannelNumber, mute1.bCur); + 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) @@ -218,14 +231,14 @@ static bool tud_audio_feature_unit_get_request(uint8_t rhport, audio_control_req .wNumSubRanges = tu_htole16(1), .subrange[0] = { .bMin = tu_htole16(-VOLUME_CTRL_50_DB), tu_htole16(VOLUME_CTRL_0_DB), tu_htole16(256) } }; - TU_LOG2("Get channel %u volume range (%d, %d, %u) dB\r\n", request->bChannelNumber, + 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_LOG2("Get channel %u volume %u dB\r\n", request->bChannelNumber, cur_vol.bCur); + 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)); } } @@ -249,7 +262,7 @@ static bool tud_audio_feature_unit_set_request(uint8_t rhport, audio_control_req mute[request->bChannelNumber] = ((audio_control_cur_1_t *)buf)->bCur; - TU_LOG2("Set channel %d Mute: %d\r\n", request->bChannelNumber, mute[request->bChannelNumber]); + TU_LOG1("Set channel %d Mute: %d\r\n", request->bChannelNumber, mute[request->bChannelNumber]); return true; } @@ -259,7 +272,7 @@ static bool tud_audio_feature_unit_set_request(uint8_t rhport, audio_control_req volume[request->bChannelNumber] = ((audio_control_cur_2_t const *)buf)->bCur; - TU_LOG2("Set channel %d volume: %d dB\r\n", request->bChannelNumber, volume[request->bChannelNumber] / 256); + TU_LOG1("Set channel %d volume: %d dB\r\n", request->bChannelNumber, volume[request->bChannelNumber] / 256); return true; } @@ -299,7 +312,8 @@ bool tud_audio_set_req_entity_cb(uint8_t rhport, tusb_control_request_t const *p 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); @@ -329,6 +343,13 @@ bool tud_audio_set_itf_cb(uint8_t rhport, tusb_control_request_t const * p_reque 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; } @@ -362,20 +383,40 @@ 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) { - int16_t *src = spk_buf; - int16_t *limit = spk_buf + spk_data_size / 2; - int16_t *dst = mic_buf; - while (src < limit) + if (current_resolution == 16) { - // Combine two channels into one - int32_t left = *src++; - int32_t right = *src++; - *dst++ = (int16_t)((left + right) / 2); + 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; } - tud_audio_write((uint8_t *)mic_buf, spk_data_size / 2); - spk_data_size = 0; } } diff --git a/examples/device/uac2_headset/src/tusb_config.h b/examples/device/uac2_headset/src/tusb_config.h index 88f9efcff..d955a746d 100644 --- a/examples/device/uac2_headset/src/tusb_config.h +++ b/examples/device/uac2_headset/src/tusb_config.h @@ -93,33 +93,49 @@ extern "C" { //-------------------------------------------------------------------- // AUDIO CLASS DRIVER CONFIGURATION //-------------------------------------------------------------------- -#define CFG_TUD_AUDIO_IN_PATH (CFG_TUD_AUDIO) -#define CFG_TUD_AUDIO_OUT_PATH (CFG_TUD_AUDIO) -//#define CFG_TUD_AUDIO_FUNC_1_DESC_LEN 220 // This equals TUD_AUDIO_HEADSET_STEREO_DESC_LEN, however, including it from usb_descriptors.h is not possible due to some strange include hassle -#define CFG_TUD_AUDIO_FUNC_1_DESC_LEN TUD_AUDIO_HEADSET_STEREO_DESC_LEN +#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 -#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX 1 -#define CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX 2 -#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX 2 -#define CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_RX 2 -#define CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP 0 +#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 +#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 + +// 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 // 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_EP_SZ_IN (CFG_TUD_AUDIO_IN_PATH * (48 + 1) * (CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX) * (CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX)) // 48 Samples (48 kHz) x 2 Bytes/Sample x n Channels -#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ CFG_TUD_AUDIO_EP_SZ_IN -#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX CFG_TUD_AUDIO_EP_SZ_IN // Maximum EP IN size for all AS alternate settings used + +#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_EP_OUT_SZ (CFG_TUD_AUDIO_OUT_PATH * ((48 + CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP) * (CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_RX) * (CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX))) // N Samples (N kHz) x 2 Bytes/Sample x n Channels -#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ CFG_TUD_AUDIO_EP_OUT_SZ*3 -#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SZ_MAX CFG_TUD_AUDIO_EP_OUT_SZ // Maximum EP IN size for all AS alternate settings used + +#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 1 +#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 diff --git a/examples/device/uac2_headset/src/usb_descriptors.c b/examples/device/uac2_headset/src/usb_descriptors.c index cd749eb65..6a01f8938 100644 --- a/examples/device/uac2_headset/src/usb_descriptors.c +++ b/examples/device/uac2_headset/src/usb_descriptors.c @@ -93,7 +93,7 @@ uint8_t const desc_configuration[] = 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, 2, 16, EPNUM_AUDIO, CFG_TUD_AUDIO_EP_OUT_SZ, EPNUM_AUDIO | 0x80, CFG_TUD_AUDIO_EP_SZ_IN) + TUD_AUDIO_HEADSET_STEREO_DESCRIPTOR(2, EPNUM_AUDIO, EPNUM_AUDIO | 0x80) }; // Invoked when received GET CONFIGURATION DESCRIPTOR diff --git a/examples/device/uac2_headset/src/usb_descriptors.h b/examples/device/uac2_headset/src/usb_descriptors.h index d9c5a63a7..d9510ea4f 100644 --- a/examples/device/uac2_headset/src/usb_descriptors.h +++ b/examples/device/uac2_headset/src/usb_descriptors.h @@ -55,21 +55,36 @@ enum + 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, _nBytesPerSample, _nBitsUsedPerSample, _epout, _epoutsize, _epin, _epinsize) \ +#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) */\ @@ -77,13 +92,13 @@ enum /* 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*/ 5, /*_assocTerm*/ 0x00, /*_stridx*/ 0x00), \ + 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_GENERIC_SPEAKER, /*_assocTerm*/ 0x00, /*_srcid*/ UAC2_ENTITY_SPK_FEATURE_UNIT, /*_clkid*/ UAC2_ENTITY_CLOCK, /*_ctrl*/ 0x0000, /*_stridx*/ 0x00),\ + 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) */\ @@ -95,26 +110,46 @@ enum /* 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*/ 0x02, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_stridx*/ 0x00),\ + 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(_nBytesPerSample, _nBitsUsedPerSample),\ + 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*/ _epoutsize, /*_interval*/ (CFG_TUSB_RHPORT0_MODE & OPT_MODE_HIGH_SPEED) ? 0x04 : 0x01),\ + 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 1, Alternate 1 - alternate interface for data streaming */\ + /* 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*/ 0x01, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_stridx*/ 0x00),\ + 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(_nBytesPerSample, _nBitsUsedPerSample),\ + 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*/ _epinsize, /*_interval*/ (CFG_TUSB_RHPORT0_MODE & OPT_MODE_HIGH_SPEED) ? 0x04 : 0x01),\ + 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)\ + 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 diff --git a/src/class/audio/audio.h b/src/class/audio/audio.h index 936f09104..f99061eae 100644 --- a/src/class/audio/audio.h +++ b/src/class/audio/audio.h @@ -489,7 +489,7 @@ typedef enum AUDIO_DATA_FORMAT_TYPE_I_IEEE_FLOAT = (uint32_t) (1 << 2), AUDIO_DATA_FORMAT_TYPE_I_ALAW = (uint32_t) (1 << 3), AUDIO_DATA_FORMAT_TYPE_I_MULAW = (uint32_t) (1 << 4), - AUDIO_DATA_FORMAT_TYPE_I_RAW_DATA = 0x100000000, + AUDIO_DATA_FORMAT_TYPE_I_RAW_DATA = 0x80000000, } audio_data_format_type_I_t; /// All remaining definitions are taken from the descriptor descriptions in the UAC2 main specification @@ -823,6 +823,33 @@ typedef struct TU_ATTR_PACKED uint16_t wLockDelay ; ///< Indicates the time it takes this endpoint to reliably lock its internal clock recovery circuitry. Units used depend on the value of the bLockDelayUnits field. } audio_desc_cs_as_iso_data_ep_t; +// 5.2.2 Control Request Layout +typedef struct TU_ATTR_PACKED +{ + union + { + struct TU_ATTR_PACKED + { + uint8_t recipient : 5; ///< Recipient type tusb_request_recipient_t. + uint8_t type : 2; ///< Request type tusb_request_type_t. + uint8_t direction : 1; ///< Direction type. tusb_dir_t + } bmRequestType_bit; + + uint8_t bmRequestType; + }; + + uint8_t bRequest; ///< Request type audio_cs_req_t + uint8_t bChannelNumber; + uint8_t bControlSelector; + union + { + uint8_t bInterface; + uint8_t bEndpoint; + }; + uint8_t bEntityID; + uint16_t wLength; +} audio_control_request_t; + //// 5.2.3 Control Request Parameter Block Layout // 5.2.3.1 1-byte Control CUR Parameter Block diff --git a/src/class/audio/audio_device.c b/src/class/audio/audio_device.c index 7263958df..404d28817 100644 --- a/src/class/audio/audio_device.c +++ b/src/class/audio/audio_device.c @@ -102,19 +102,19 @@ // EP IN software buffers and mutexes #if CFG_TUD_AUDIO_ENABLE_EP_IN && !CFG_TUD_AUDIO_ENABLE_ENCODING #if CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t audio_ep_in_sw_buf_1[CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t audio_ep_in_sw_buf_1[CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ]; #if CFG_FIFO_MUTEX osal_mutex_def_t ep_in_ff_mutex_wr_1; // No need for read mutex as only USB driver reads from FIFO #endif #endif // CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ > 0 #if CFG_TUD_AUDIO > 1 && CFG_TUD_AUDIO_FUNC_2_EP_IN_SW_BUF_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t audio_ep_in_sw_buf_2[CFG_TUD_AUDIO_FUNC_2_EP_IN_SW_BUF_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t audio_ep_in_sw_buf_2[CFG_TUD_AUDIO_FUNC_2_EP_IN_SW_BUF_SZ]; #if CFG_FIFO_MUTEX osal_mutex_def_t ep_in_ff_mutex_wr_2; // No need for read mutex as only USB driver reads from FIFO #endif #endif // CFG_TUD_AUDIO > 1 && CFG_TUD_AUDIO_FUNC_2_EP_IN_SW_BUF_SZ > 0 #if CFG_TUD_AUDIO > 2 && CFG_TUD_AUDIO_FUNC_3_EP_IN_SW_BUF_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t audio_ep_in_sw_buf_3[CFG_TUD_AUDIO_FUNC_3_EP_IN_SW_BUF_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t audio_ep_in_sw_buf_3[CFG_TUD_AUDIO_FUNC_3_EP_IN_SW_BUF_SZ]; #if CFG_FIFO_MUTEX osal_mutex_def_t ep_in_ff_mutex_wr_3; // No need for read mutex as only USB driver reads from FIFO #endif @@ -126,32 +126,32 @@ osal_mutex_def_t ep_in_ff_mutex_wr_3; // - the software encoding is used - in this case the linear buffers serve as a target memory where logical channels are encoded into #if CFG_TUD_AUDIO_ENABLE_EP_IN && (USE_LINEAR_BUFFER || CFG_TUD_AUDIO_ENABLE_ENCODING) #if CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX > 0 -CFG_TUSB_MEM_ALIGN uint8_t lin_buf_in_1[CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t lin_buf_in_1[CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX]; #endif #if CFG_TUD_AUDIO > 1 && CFG_TUD_AUDIO_FUNC_2_EP_IN_SZ_MAX > 0 -CFG_TUSB_MEM_ALIGN uint8_t lin_buf_in_2[CFG_TUD_AUDIO_FUNC_2_EP_IN_SZ_MAX]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t lin_buf_in_2[CFG_TUD_AUDIO_FUNC_2_EP_IN_SZ_MAX]; #endif #if CFG_TUD_AUDIO > 2 && CFG_TUD_AUDIO_FUNC_3_EP_IN_SZ_MAX > 0 -CFG_TUSB_MEM_ALIGN uint8_t lin_buf_in_3[CFG_TUD_AUDIO_FUNC_3_EP_IN_SZ_MAX]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t lin_buf_in_3[CFG_TUD_AUDIO_FUNC_3_EP_IN_SZ_MAX]; #endif #endif // CFG_TUD_AUDIO_ENABLE_EP_IN && (USE_LINEAR_BUFFER || CFG_TUD_AUDIO_ENABLE_DECODING) // EP OUT software buffers and mutexes #if CFG_TUD_AUDIO_ENABLE_EP_OUT && !CFG_TUD_AUDIO_ENABLE_DECODING #if CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t audio_ep_out_sw_buf_1[CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t audio_ep_out_sw_buf_1[CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ]; #if CFG_FIFO_MUTEX osal_mutex_def_t ep_out_ff_mutex_rd_1; // No need for write mutex as only USB driver writes into FIFO #endif #endif // CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ > 0 #if CFG_TUD_AUDIO > 1 && CFG_TUD_AUDIO_FUNC_2_EP_OUT_SW_BUF_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t audio_ep_out_sw_buf_2[CFG_TUD_AUDIO_FUNC_2_EP_OUT_SW_BUF_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t audio_ep_out_sw_buf_2[CFG_TUD_AUDIO_FUNC_2_EP_OUT_SW_BUF_SZ]; #if CFG_FIFO_MUTEX osal_mutex_def_t ep_out_ff_mutex_rd_2; // No need for write mutex as only USB driver writes into FIFO #endif #endif // CFG_TUD_AUDIO > 1 && CFG_TUD_AUDIO_FUNC_2_EP_OUT_SW_BUF_SZ > 0 #if CFG_TUD_AUDIO > 2 && CFG_TUD_AUDIO_FUNC_3_EP_OUT_SW_BUF_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t audio_ep_out_sw_buf_3[CFG_TUD_AUDIO_FUNC_3_EP_OUT_SW_BUF_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t audio_ep_out_sw_buf_3[CFG_TUD_AUDIO_FUNC_3_EP_OUT_SW_BUF_SZ]; #if CFG_FIFO_MUTEX osal_mutex_def_t ep_out_ff_mutex_rd_3; // No need for write mutex as only USB driver writes into FIFO #endif @@ -163,52 +163,52 @@ osal_mutex_def_t ep_out_ff_mutex_rd_3; // - the software encoding is used - in this case the linear buffers serve as a target memory where logical channels are encoded into #if CFG_TUD_AUDIO_ENABLE_EP_OUT && (USE_LINEAR_BUFFER || CFG_TUD_AUDIO_ENABLE_DECODING) #if CFG_TUD_AUDIO_FUNC_1_EP_OUT_SZ_MAX > 0 -CFG_TUSB_MEM_ALIGN uint8_t lin_buf_out_1[CFG_TUD_AUDIO_FUNC_1_EP_OUT_SZ_MAX]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t lin_buf_out_1[CFG_TUD_AUDIO_FUNC_1_EP_OUT_SZ_MAX]; #endif #if CFG_TUD_AUDIO > 1 && CFG_TUD_AUDIO_FUNC_2_EP_OUT_SZ_MAX > 0 -CFG_TUSB_MEM_ALIGN uint8_t lin_buf_out_2[CFG_TUD_AUDIO_FUNC_2_EP_OUT_SZ_MAX]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t lin_buf_out_2[CFG_TUD_AUDIO_FUNC_2_EP_OUT_SZ_MAX]; #endif #if CFG_TUD_AUDIO > 2 && CFG_TUD_AUDIO_FUNC_3_EP_OUT_SZ_MAX > 0 -CFG_TUSB_MEM_ALIGN uint8_t lin_buf_out_3[CFG_TUD_AUDIO_FUNC_3_EP_OUT_SZ_MAX]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t lin_buf_out_3[CFG_TUD_AUDIO_FUNC_3_EP_OUT_SZ_MAX]; #endif #endif // CFG_TUD_AUDIO_ENABLE_EP_OUT && (USE_LINEAR_BUFFER || CFG_TUD_AUDIO_ENABLE_DECODING) // Control buffers -CFG_TUSB_MEM_ALIGN uint8_t ctrl_buf_1[CFG_TUD_AUDIO_FUNC_1_CTRL_BUF_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t ctrl_buf_1[CFG_TUD_AUDIO_FUNC_1_CTRL_BUF_SZ]; #if CFG_TUD_AUDIO > 1 -CFG_TUSB_MEM_ALIGN uint8_t ctrl_buf_2[CFG_TUD_AUDIO_FUNC_2_CTRL_BUF_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t ctrl_buf_2[CFG_TUD_AUDIO_FUNC_2_CTRL_BUF_SZ]; #endif #if CFG_TUD_AUDIO > 2 -CFG_TUSB_MEM_ALIGN uint8_t ctrl_buf_3[CFG_TUD_AUDIO_FUNC_3_CTRL_BUF_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t ctrl_buf_3[CFG_TUD_AUDIO_FUNC_3_CTRL_BUF_SZ]; #endif // Active alternate setting of interfaces -CFG_TUSB_MEM_ALIGN uint8_t alt_setting_1[CFG_TUD_AUDIO_FUNC_1_N_AS_INT]; +uint8_t alt_setting_1[CFG_TUD_AUDIO_FUNC_1_N_AS_INT]; #if CFG_TUD_AUDIO > 1 && CFG_TUD_AUDIO_FUNC_2_N_AS_INT > 0 -CFG_TUSB_MEM_ALIGN uint8_t alt_setting_2[CFG_TUD_AUDIO_FUNC_2_N_AS_INT]; +uint8_t alt_setting_2[CFG_TUD_AUDIO_FUNC_2_N_AS_INT]; #endif #if CFG_TUD_AUDIO > 2 && CFG_TUD_AUDIO_FUNC_3_N_AS_INT > 0 -CFG_TUSB_MEM_ALIGN uint8_t alt_setting_3[CFG_TUD_AUDIO_FUNC_3_N_AS_INT]; +uint8_t alt_setting_3[CFG_TUD_AUDIO_FUNC_3_N_AS_INT]; #endif // Software encoding/decoding support FIFOs #if CFG_TUD_AUDIO_ENABLE_EP_IN && CFG_TUD_AUDIO_ENABLE_ENCODING #if CFG_TUD_AUDIO_FUNC_1_TX_SUPP_SW_FIFO_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t tx_supp_ff_buf_1[CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_1_TX_SUPP_SW_FIFO_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t tx_supp_ff_buf_1[CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_1_TX_SUPP_SW_FIFO_SZ]; tu_fifo_t tx_supp_ff_1[CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO]; #if CFG_FIFO_MUTEX osal_mutex_def_t tx_supp_ff_mutex_wr_1[CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO]; // No need for read mutex as only USB driver reads from FIFO #endif #endif #if CFG_TUD_AUDIO > 1 && CFG_TUD_AUDIO_FUNC_2_TX_SUPP_SW_FIFO_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t tx_supp_ff_buf_2[CFG_TUD_AUDIO_FUNC_2_N_TX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_2_TX_SUPP_SW_FIFO_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t tx_supp_ff_buf_2[CFG_TUD_AUDIO_FUNC_2_N_TX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_2_TX_SUPP_SW_FIFO_SZ]; tu_fifo_t tx_supp_ff_2[CFG_TUD_AUDIO_FUNC_2_N_TX_SUPP_SW_FIFO]; #if CFG_FIFO_MUTEX osal_mutex_def_t tx_supp_ff_mutex_wr_2[CFG_TUD_AUDIO_FUNC_2_N_TX_SUPP_SW_FIFO]; // No need for read mutex as only USB driver reads from FIFO #endif #endif #if CFG_TUD_AUDIO > 2 && CFG_TUD_AUDIO_FUNC_3_TX_SUPP_SW_FIFO_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t tx_supp_ff_buf_3[CFG_TUD_AUDIO_FUNC_3_N_TX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_3_TX_SUPP_SW_FIFO_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t tx_supp_ff_buf_3[CFG_TUD_AUDIO_FUNC_3_N_TX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_3_TX_SUPP_SW_FIFO_SZ]; tu_fifo_t tx_supp_ff_3[CFG_TUD_AUDIO_FUNC_3_N_TX_SUPP_SW_FIFO]; #if CFG_FIFO_MUTEX osal_mutex_def_t tx_supp_ff_mutex_wr_3[CFG_TUD_AUDIO_FUNC_3_N_TX_SUPP_SW_FIFO]; // No need for read mutex as only USB driver reads from FIFO @@ -218,21 +218,21 @@ osal_mutex_def_t tx_supp_ff_mutex_wr_3[CFG_TUD_AUDIO_FUNC_3_N_TX_SUPP_SW_FIFO]; #if CFG_TUD_AUDIO_ENABLE_EP_OUT && CFG_TUD_AUDIO_ENABLE_DECODING #if CFG_TUD_AUDIO_FUNC_1_RX_SUPP_SW_FIFO_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t rx_supp_ff_buf_1[CFG_TUD_AUDIO_FUNC_1_N_RX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_1_RX_SUPP_SW_FIFO_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t rx_supp_ff_buf_1[CFG_TUD_AUDIO_FUNC_1_N_RX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_1_RX_SUPP_SW_FIFO_SZ]; tu_fifo_t rx_supp_ff_1[CFG_TUD_AUDIO_FUNC_1_N_RX_SUPP_SW_FIFO]; #if CFG_FIFO_MUTEX osal_mutex_def_t rx_supp_ff_mutex_rd_1[CFG_TUD_AUDIO_FUNC_1_N_RX_SUPP_SW_FIFO]; // No need for write mutex as only USB driver writes into FIFO #endif #endif #if CFG_TUD_AUDIO > 1 && CFG_TUD_AUDIO_FUNC_2_RX_SUPP_SW_FIFO_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t rx_supp_ff_buf_2[CFG_TUD_AUDIO_FUNC_2_N_RX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_2_RX_SUPP_SW_FIFO_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t rx_supp_ff_buf_2[CFG_TUD_AUDIO_FUNC_2_N_RX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_2_RX_SUPP_SW_FIFO_SZ]; tu_fifo_t rx_supp_ff_2[CFG_TUD_AUDIO_FUNC_2_N_RX_SUPP_SW_FIFO]; #if CFG_FIFO_MUTEX osal_mutex_def_t rx_supp_ff_mutex_rd_2[CFG_TUD_AUDIO_FUNC_2_N_RX_SUPP_SW_FIFO]; // No need for write mutex as only USB driver writes into FIFO #endif #endif #if CFG_TUD_AUDIO > 2 && CFG_TUD_AUDIO_FUNC_3_RX_SUPP_SW_FIFO_SZ > 0 -CFG_TUSB_MEM_ALIGN uint8_t rx_supp_ff_buf_3[CFG_TUD_AUDIO_FUNC_3_N_RX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_3_RX_SUPP_SW_FIFO_SZ]; +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t rx_supp_ff_buf_3[CFG_TUD_AUDIO_FUNC_3_N_RX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_3_RX_SUPP_SW_FIFO_SZ]; tu_fifo_t rx_supp_ff_3[CFG_TUD_AUDIO_FUNC_3_N_RX_SUPP_SW_FIFO]; #if CFG_FIFO_MUTEX osal_mutex_def_t rx_supp_ff_mutex_rd_3[CFG_TUD_AUDIO_FUNC_3_N_RX_SUPP_SW_FIFO]; // No need for write mutex as only USB driver writes into FIFO @@ -294,7 +294,7 @@ typedef struct // Audio control interrupt buffer - no FIFO - 6 Bytes according to UAC 2 specification (p. 74) #if CFG_TUD_AUDIO_INT_CTR_EPSIZE_IN - CFG_TUSB_MEM_ALIGN uint8_t ep_int_ctr_buf[CFG_TUD_AUDIO_INT_CTR_EP_IN_SW_BUFFER_SIZE]; + CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t ep_int_ctr_buf[CFG_TUD_AUDIO_INT_CTR_EP_IN_SW_BUFFER_SIZE]; #endif // Decoding parameters - parameters are set when alternate AS interface is set by host @@ -643,7 +643,6 @@ static bool audiod_decode_type_I_pcm(uint8_t rhport, audiod_function_t* audio, u // Determine amount of samples uint8_t const n_ff_used = audio->n_ff_used_rx; - uint16_t const nBytesToCopy = audio->n_channels_per_ff_rx * audio->n_bytes_per_sampe_rx; uint16_t const nBytesPerFFToRead = n_bytes_received / n_ff_used; uint8_t cnt_ff; @@ -662,14 +661,14 @@ static bool audiod_decode_type_I_pcm(uint8_t rhport, audiod_function_t* audio, u info.len_lin = tu_min16(nBytesPerFFToRead, info.len_lin); src = &audio->lin_buf_out[cnt_ff*audio->n_channels_per_ff_rx * audio->n_bytes_per_sampe_rx]; dst_end = info.ptr_lin + info.len_lin; - src = audiod_interleaved_copy_bytes_fast_decode(nBytesToCopy, info.ptr_lin, dst_end, src, n_ff_used); + src = audiod_interleaved_copy_bytes_fast_decode(audio->n_bytes_per_sampe_rx, info.ptr_lin, dst_end, src, n_ff_used); // Handle wrapped part of FIFO info.len_wrap = tu_min16(nBytesPerFFToRead - info.len_lin, info.len_wrap); if (info.len_wrap != 0) { dst_end = info.ptr_wrap + info.len_wrap; - audiod_interleaved_copy_bytes_fast_decode(nBytesToCopy, info.ptr_wrap, dst_end, src, n_ff_used); + audiod_interleaved_copy_bytes_fast_decode(audio->n_bytes_per_sampe_rx, info.ptr_wrap, dst_end, src, n_ff_used); } tu_fifo_advance_write_pointer(&audio->rx_supp_ff[cnt_ff], info.len_lin + info.len_wrap); } @@ -994,7 +993,7 @@ static uint16_t audiod_encode_type_I_pcm(uint8_t rhport, audiod_function_t* audi { info.len_lin = tu_min16(nBytesPerFFToSend, info.len_lin); // Limit up to desired length src_end = (uint8_t *)info.ptr_lin + info.len_lin; - dst = audiod_interleaved_copy_bytes_fast_encode(nBytesToCopy, info.ptr_lin, src_end, dst, n_ff_used); + dst = audiod_interleaved_copy_bytes_fast_encode(audio->n_bytes_per_sampe_tx, info.ptr_lin, src_end, dst, n_ff_used); // Limit up to desired length info.len_wrap = tu_min16(nBytesPerFFToSend - info.len_lin, info.len_wrap); @@ -1003,7 +1002,7 @@ static uint16_t audiod_encode_type_I_pcm(uint8_t rhport, audiod_function_t* audi if (info.len_wrap != 0) { src_end = (uint8_t *)info.ptr_wrap + info.len_wrap; - audiod_interleaved_copy_bytes_fast_encode(nBytesToCopy, info.ptr_wrap, src_end, dst, n_ff_used); + audiod_interleaved_copy_bytes_fast_encode(audio->n_bytes_per_sampe_tx, info.ptr_wrap, src_end, dst, n_ff_used); } tu_fifo_advance_read_pointer(&audio->tx_supp_ff[cnt_ff], info.len_lin + info.len_wrap); @@ -1481,18 +1480,20 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const * audio->ep_in_as_intf_num = 0; usbd_edpt_close(rhport, audio->ep_in); - // Invoke callback - can be used to stop data sampling - if (tud_audio_set_itf_close_EP_cb) TU_VERIFY(tud_audio_set_itf_close_EP_cb(rhport, p_request)); - - audio->ep_in = 0; // Necessary? - - // Clear support FIFOs if used -#if CFG_TUD_AUDIO_ENABLE_ENCODING + // Clear FIFOs, since data is no longer valid +#if !CFG_TUD_AUDIO_ENABLE_ENCODING + tu_fifo_clear(&audio->ep_in_ff); +#else for (uint8_t cnt = 0; cnt < audio->n_tx_supp_ff; cnt++) { tu_fifo_clear(&audio->tx_supp_ff[cnt]); } #endif + + // Invoke callback - can be used to stop data sampling + if (tud_audio_set_itf_close_EP_cb) TU_VERIFY(tud_audio_set_itf_close_EP_cb(rhport, p_request)); + + audio->ep_in = 0; // Necessary? } #endif @@ -1502,16 +1503,22 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const * { audio->ep_out_as_intf_num = 0; usbd_edpt_close(rhport, audio->ep_out); - audio->ep_out = 0; // Necessary? - // Clear support FIFOs if used -#if CFG_TUD_AUDIO_ENABLE_DECODING + // Clear FIFOs, since data is no longer valid +#if !CFG_TUD_AUDIO_ENABLE_DECODING + tu_fifo_clear(&audio->ep_out_ff); +#else for (uint8_t cnt = 0; cnt < audio->n_rx_supp_ff; cnt++) { tu_fifo_clear(&audio->rx_supp_ff[cnt]); } #endif + // Invoke callback - can be used to stop data sampling + if (tud_audio_set_itf_close_EP_cb) TU_VERIFY(tud_audio_set_itf_close_EP_cb(rhport, p_request)); + + audio->ep_out = 0; // Necessary? + // Close corresponding feedback EP #if CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP usbd_edpt_close(rhport, audio->ep_fb); @@ -1605,9 +1612,17 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const * TU_ASSERT( audio->n_ff_used_rx <= audio->n_rx_supp_ff ); #endif #endif + +#if CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP + // In case of asynchronous EP, call Cb after ep_fb is set + if (!(((tusb_desc_endpoint_t const *) p_desc)->bmAttributes.sync == 0x01 && audio->ep_fb == 0)) + { + if (tud_audio_set_itf_cb) TU_VERIFY(tud_audio_set_itf_cb(rhport, p_request)); + } +#else // Invoke callback if (tud_audio_set_itf_cb) TU_VERIFY(tud_audio_set_itf_cb(rhport, p_request)); - +#endif // Prepare for incoming data #if USE_LINEAR_BUFFER_RX TU_VERIFY(usbd_edpt_xfer(rhport, audio->ep_out, audio->lin_buf_out, audio->ep_out_sz), false); @@ -1621,8 +1636,11 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const * { audio->ep_fb = ep_addr; - // Invoke callback - if (tud_audio_set_itf_cb) TU_VERIFY(tud_audio_set_itf_cb(rhport, p_request)); + // Invoke callback after ep_out is set + if (audio->ep_out != 0) + { + if (tud_audio_set_itf_cb) TU_VERIFY(tud_audio_set_itf_cb(rhport, p_request)); + } } #endif #endif // CFG_TUD_AUDIO_ENABLE_EP_OUT @@ -1916,8 +1934,12 @@ bool audiod_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint3 { if (tud_audio_fb_done_cb) TU_VERIFY(tud_audio_fb_done_cb(rhport)); - // Schedule next transmission - value is changed bytud_audio_n_fb_set() in the meantime or the old value gets sent - return audiod_fb_send(rhport, &_audiod_fct[func_id]); + // Schedule a transmit with the new value if EP is not busy + if (!usbd_edpt_busy(rhport, _audiod_fct[func_id].ep_fb)) + { + // Schedule next transmission - value is changed bytud_audio_n_fb_set() in the meantime or the old value gets sent + return audiod_fb_send(rhport, &_audiod_fct[func_id]); + } } #endif #endif @@ -1997,15 +2019,17 @@ static bool audiod_get_AS_interface_index(uint8_t itf, audiod_function_t * audio while (p_desc < p_desc_end) { // We assume the number of alternate settings is increasing thus we return the index of alternate setting zero! - if (tu_desc_type(p_desc) == TUSB_DESC_INTERFACE && ((tusb_desc_interface_t const * )p_desc)->bInterfaceNumber == itf) + if (tu_desc_type(p_desc) == TUSB_DESC_INTERFACE && ((tusb_desc_interface_t const * )p_desc)->bAlternateSetting == 0) { - *idxItf = tmp; - *pp_desc_int = p_desc; - return true; + if (((tusb_desc_interface_t const * )p_desc)->bInterfaceNumber == itf) + { + *idxItf = tmp; + *pp_desc_int = p_desc; + return true; + } + // Increase index, bytes read, and pointer + tmp++; } - - // Increase index, bytes read, and pointer - tmp++; p_desc = tu_desc_next(p_desc); } } @@ -2207,22 +2231,19 @@ bool tud_audio_n_fb_set(uint8_t func_id, uint32_t feedback) TU_VERIFY(func_id < CFG_TUD_AUDIO && _audiod_fct[func_id].p_desc != NULL); // Format the feedback value - if (_audiod_fct[func_id].rhport == 0) - { - uint8_t * fb = (uint8_t *) &_audiod_fct[func_id].fb_val; +#if !TUD_OPT_HIGH_SPEED + uint8_t * fb = (uint8_t *) &_audiod_fct[func_id].fb_val; - // For FS format is 10.14 - *(fb++) = (feedback >> 2) & 0xFF; - *(fb++) = (feedback >> 10) & 0xFF; - *(fb++) = (feedback >> 18) & 0xFF; - // 4th byte is needed to work correctly with MS Windows - *fb = 0; - } - else - { - // For HS format is 16.16 as originally demanded - _audiod_fct[func_id].fb_val = feedback; - } + // For FS format is 10.14 + *(fb++) = (feedback >> 2) & 0xFF; + *(fb++) = (feedback >> 10) & 0xFF; + *(fb++) = (feedback >> 18) & 0xFF; + // 4th byte is needed to work correctly with MS Windows + *fb = 0; +#else + // For HS format is 16.16 as originally demanded + _audiod_fct[func_id].fb_val = feedback; +#endif // Schedule a transmit with the new value if EP is not busy - this triggers repetitive scheduling of the feedback value if (!usbd_edpt_busy(_audiod_fct[func_id].rhport, _audiod_fct[func_id].ep_fb)) diff --git a/src/device/usbd.h b/src/device/usbd.h index 3857295d7..45aefe53b 100644 --- a/src/device/usbd.h +++ b/src/device/usbd.h @@ -542,6 +542,11 @@ TU_ATTR_WEAK bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb /* 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