Merge pull request #938 from HiFiPhile/uac_example
Bug fix and Enhancements of UAC2
This commit is contained in:
Ha Thach
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examples/device/uac2_headset/.skip.MCU_LPC11UXX
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examples/device/uac2_headset/.skip.MCU_LPC11UXX
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examples/device/uac2_headset/.skip.MCU_LPC13XX
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examples/device/uac2_headset/.skip.MCU_LPC13XX
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examples/device/uac2_headset/.skip.MCU_NUC121
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examples/device/uac2_headset/.skip.MCU_NUC121
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@@ -34,9 +34,11 @@
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// MACRO CONSTANT TYPEDEF PROTOTYPES
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//--------------------------------------------------------------------+
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#ifndef AUDIO_SAMPLE_RATE
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#define AUDIO_SAMPLE_RATE 48000
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#endif
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// List of supported sample rates
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const uint32_t sample_rates[] = {44100, 48000, 88200, 96000};
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uint32_t current_sample_rate = 44100;
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#define N_SAMPLE_RATES TU_ARRAY_SIZE(sample_rates)
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/* Blink pattern
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* - 25 ms : streaming data
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@@ -76,11 +78,16 @@ int8_t mute[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX + 1]; // +1 for master chan
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int16_t volume[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX + 1]; // +1 for master channel 0
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// Buffer for microphone data
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int16_t mic_buf[1000];
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int32_t mic_buf[CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ / 4];
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// Buffer for speaker data
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int16_t spk_buf[1000];
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int32_t spk_buf[CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ / 4];
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// Speaker data size received in the last frame
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int spk_data_size;
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// Resolution per format
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const uint8_t resolutions_per_format[CFG_TUD_AUDIO_FUNC_1_N_FORMATS] = {CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_RX,
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CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_RX};
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// Current resolution, update on format change
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uint8_t current_resolution;
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void led_blinking_task(void);
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void audio_task(void);
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@@ -135,55 +142,35 @@ void tud_resume_cb(void)
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blink_interval_ms = BLINK_MOUNTED;
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}
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typedef struct TU_ATTR_PACKED
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{
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union
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{
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struct TU_ATTR_PACKED
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{
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uint8_t recipient : 5; ///< Recipient type tusb_request_recipient_t.
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uint8_t type : 2; ///< Request type tusb_request_type_t.
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uint8_t direction : 1; ///< Direction type. tusb_dir_t
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} bmRequestType_bit;
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uint8_t bmRequestType;
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};
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uint8_t bRequest; ///< Request type audio_cs_req_t
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uint8_t bChannelNumber;
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uint8_t bControlSelector;
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union
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{
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uint8_t bInterface;
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uint8_t bEndpoint;
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};
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uint8_t bEntityID;
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uint16_t wLength;
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} audio_control_request_t;
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// Helper for clock get requests
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static bool tud_audio_clock_get_request(uint8_t rhport, audio_control_request_t const *request)
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{
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TU_ASSERT(request->bEntityID == UAC2_ENTITY_CLOCK);
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// Example supports only single frequency, same value will be used for current value and range
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if (request->bControlSelector == AUDIO_CS_CTRL_SAM_FREQ)
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{
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if (request->bRequest == AUDIO_CS_REQ_CUR)
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{
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TU_LOG2("Clock get current freq %u\r\n", AUDIO_SAMPLE_RATE);
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TU_LOG1("Clock get current freq %u\r\n", current_sample_rate);
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audio_control_cur_4_t curf = { tu_htole32(AUDIO_SAMPLE_RATE) };
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audio_control_cur_4_t curf = { tu_htole32(current_sample_rate) };
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &curf, sizeof(curf));
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}
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else if (request->bRequest == AUDIO_CS_REQ_RANGE)
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{
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audio_control_range_4_n_t(1) rangef =
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audio_control_range_4_n_t(N_SAMPLE_RATES) rangef =
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{
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.wNumSubRanges = tu_htole16(1),
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.subrange[0] = { tu_htole32(AUDIO_SAMPLE_RATE), tu_htole32(AUDIO_SAMPLE_RATE), 0}
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.wNumSubRanges = tu_htole16(N_SAMPLE_RATES)
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};
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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);
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TU_LOG1("Clock get %d freq ranges\r\n", N_SAMPLE_RATES);
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for(uint8_t i = 0; i < N_SAMPLE_RATES; i++)
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{
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rangef.subrange[i].bMin = sample_rates[i];
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rangef.subrange[i].bMax = sample_rates[i];
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rangef.subrange[i].bRes = 0;
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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);
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}
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &rangef, sizeof(rangef));
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}
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}
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@@ -191,7 +178,7 @@ static bool tud_audio_clock_get_request(uint8_t rhport, audio_control_request_t
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request->bRequest == AUDIO_CS_REQ_CUR)
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{
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audio_control_cur_1_t cur_valid = { .bCur = 1 };
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TU_LOG2("Clock get is valid %u\r\n", cur_valid.bCur);
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TU_LOG1("Clock get is valid %u\r\n", cur_valid.bCur);
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &cur_valid, sizeof(cur_valid));
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}
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TU_LOG1("Clock get request not supported, entity = %u, selector = %u, request = %u\r\n",
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@@ -199,6 +186,32 @@ static bool tud_audio_clock_get_request(uint8_t rhport, audio_control_request_t
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return false;
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}
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// Helper for clock set requests
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static bool tud_audio_clock_set_request(uint8_t rhport, audio_control_request_t const *request, uint8_t const *buf)
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{
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(void)rhport;
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TU_ASSERT(request->bEntityID == UAC2_ENTITY_CLOCK);
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TU_VERIFY(request->bRequest == AUDIO_CS_REQ_CUR);
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if (request->bControlSelector == AUDIO_CS_CTRL_SAM_FREQ)
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{
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TU_VERIFY(request->wLength == sizeof(audio_control_cur_4_t));
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current_sample_rate = ((audio_control_cur_4_t *)buf)->bCur;
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TU_LOG1("Clock set current freq: %d\r\n", current_sample_rate);
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return true;
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}
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else
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{
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TU_LOG1("Clock set request not supported, entity = %u, selector = %u, request = %u\r\n",
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request->bEntityID, request->bControlSelector, request->bRequest);
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return false;
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}
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}
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// Helper for feature unit get requests
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static bool tud_audio_feature_unit_get_request(uint8_t rhport, audio_control_request_t const *request)
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{
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@@ -207,7 +220,7 @@ static bool tud_audio_feature_unit_get_request(uint8_t rhport, audio_control_req
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if (request->bControlSelector == AUDIO_FU_CTRL_MUTE && request->bRequest == AUDIO_CS_REQ_CUR)
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{
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audio_control_cur_1_t mute1 = { .bCur = mute[request->bChannelNumber] };
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TU_LOG2("Get channel %u mute %d\r\n", request->bChannelNumber, mute1.bCur);
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TU_LOG1("Get channel %u mute %d\r\n", request->bChannelNumber, mute1.bCur);
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &mute1, sizeof(mute1));
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}
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else if (UAC2_ENTITY_SPK_FEATURE_UNIT && request->bControlSelector == AUDIO_FU_CTRL_VOLUME)
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@@ -218,14 +231,14 @@ static bool tud_audio_feature_unit_get_request(uint8_t rhport, audio_control_req
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.wNumSubRanges = tu_htole16(1),
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.subrange[0] = { .bMin = tu_htole16(-VOLUME_CTRL_50_DB), tu_htole16(VOLUME_CTRL_0_DB), tu_htole16(256) }
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};
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TU_LOG2("Get channel %u volume range (%d, %d, %u) dB\r\n", request->bChannelNumber,
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TU_LOG1("Get channel %u volume range (%d, %d, %u) dB\r\n", request->bChannelNumber,
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range_vol.subrange[0].bMin / 256, range_vol.subrange[0].bMax / 256, range_vol.subrange[0].bRes / 256);
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &range_vol, sizeof(range_vol));
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}
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else if (request->bRequest == AUDIO_CS_REQ_CUR)
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{
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audio_control_cur_2_t cur_vol = { .bCur = tu_htole16(volume[request->bChannelNumber]) };
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TU_LOG2("Get channel %u volume %u dB\r\n", request->bChannelNumber, cur_vol.bCur);
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TU_LOG1("Get channel %u volume %d dB\r\n", request->bChannelNumber, cur_vol.bCur / 256);
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &cur_vol, sizeof(cur_vol));
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}
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}
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@@ -249,7 +262,7 @@ static bool tud_audio_feature_unit_set_request(uint8_t rhport, audio_control_req
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mute[request->bChannelNumber] = ((audio_control_cur_1_t *)buf)->bCur;
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TU_LOG2("Set channel %d Mute: %d\r\n", request->bChannelNumber, mute[request->bChannelNumber]);
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TU_LOG1("Set channel %d Mute: %d\r\n", request->bChannelNumber, mute[request->bChannelNumber]);
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return true;
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}
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@@ -259,7 +272,7 @@ static bool tud_audio_feature_unit_set_request(uint8_t rhport, audio_control_req
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volume[request->bChannelNumber] = ((audio_control_cur_2_t const *)buf)->bCur;
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TU_LOG2("Set channel %d volume: %d dB\r\n", request->bChannelNumber, volume[request->bChannelNumber] / 256);
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TU_LOG1("Set channel %d volume: %d dB\r\n", request->bChannelNumber, volume[request->bChannelNumber] / 256);
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return true;
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}
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@@ -299,7 +312,8 @@ bool tud_audio_set_req_entity_cb(uint8_t rhport, tusb_control_request_t const *p
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if (request->bEntityID == UAC2_ENTITY_SPK_FEATURE_UNIT)
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return tud_audio_feature_unit_set_request(rhport, request, buf);
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if (request->bEntityID == UAC2_ENTITY_CLOCK)
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return tud_audio_clock_set_request(rhport, request, buf);
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TU_LOG1("Set request not handled, entity = %d, selector = %d, request = %d\r\n",
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request->bEntityID, request->bControlSelector, request->bRequest);
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@@ -329,6 +343,13 @@ bool tud_audio_set_itf_cb(uint8_t rhport, tusb_control_request_t const * p_reque
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if (ITF_NUM_AUDIO_STREAMING_SPK == itf && alt != 0)
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blink_interval_ms = BLINK_STREAMING;
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// Clear buffer when streaming format is changed
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spk_data_size = 0;
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if(alt != 0)
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{
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current_resolution = resolutions_per_format[alt-1];
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}
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return true;
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}
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@@ -362,20 +383,40 @@ void audio_task(void)
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{
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// When new data arrived, copy data from speaker buffer, to microphone buffer
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// and send it over
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// Only support speaker & headphone both have the same resolution
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// If one is 16bit another is 24bit be care of LOUD noise !
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if (spk_data_size)
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{
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int16_t *src = spk_buf;
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int16_t *limit = spk_buf + spk_data_size / 2;
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int16_t *dst = mic_buf;
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while (src < limit)
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if (current_resolution == 16)
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{
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// Combine two channels into one
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int32_t left = *src++;
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int32_t right = *src++;
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*dst++ = (int16_t)((left + right) / 2);
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int16_t *src = (int16_t*)spk_buf;
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int16_t *limit = (int16_t*)spk_buf + spk_data_size / 2;
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int16_t *dst = (int16_t*)mic_buf;
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while (src < limit)
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{
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// Combine two channels into one
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int32_t left = *src++;
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int32_t right = *src++;
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*dst++ = (left >> 1) + (right >> 1);
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}
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tud_audio_write((uint8_t *)mic_buf, spk_data_size / 2);
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spk_data_size = 0;
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}
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else if (current_resolution == 24)
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{
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int32_t *src = spk_buf;
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int32_t *limit = spk_buf + spk_data_size / 4;
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int32_t *dst = mic_buf;
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while (src < limit)
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{
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// Combine two channels into one
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int32_t left = *src++;
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int32_t right = *src++;
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*dst++ = ((left >> 1) + (right >> 1)) & 0xffffff00;
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}
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tud_audio_write((uint8_t *)mic_buf, spk_data_size / 2);
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spk_data_size = 0;
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}
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tud_audio_write((uint8_t *)mic_buf, spk_data_size / 2);
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spk_data_size = 0;
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}
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}
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@@ -93,33 +93,49 @@ extern "C" {
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//--------------------------------------------------------------------
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// AUDIO CLASS DRIVER CONFIGURATION
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//--------------------------------------------------------------------
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#define CFG_TUD_AUDIO_IN_PATH (CFG_TUD_AUDIO)
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#define CFG_TUD_AUDIO_OUT_PATH (CFG_TUD_AUDIO)
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//#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
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#define CFG_TUD_AUDIO_FUNC_1_DESC_LEN TUD_AUDIO_HEADSET_STEREO_DESC_LEN
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#define CFG_TUD_AUDIO_FUNC_1_DESC_LEN TUD_AUDIO_HEADSET_STEREO_DESC_LEN
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// How many formats are used, need to adjust USB descriptor if changed
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#define CFG_TUD_AUDIO_FUNC_1_N_FORMATS 2
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// Audio format type I specifications
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#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX 1
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#define CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX 2
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#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX 2
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#define CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_RX 2
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#define CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP 0
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#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
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#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX 1
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#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX 2
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// 16bit in 16bit slots
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#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX 2
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#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_TX 16
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#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX 2
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#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_RX 16
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// 24bit in 32bit slots
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#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_TX 4
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#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_TX 24
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#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_RX 4
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#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_RX 24
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// EP and buffer size - for isochronous EP´s, the buffer and EP size are equal (different sizes would not make sense)
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#define CFG_TUD_AUDIO_ENABLE_EP_IN 1
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#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
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#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ CFG_TUD_AUDIO_EP_SZ_IN
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#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
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#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)
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#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)
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#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
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#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
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// EP and buffer size - for isochronous EP´s, the buffer and EP size are equal (different sizes would not make sense)
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#define CFG_TUD_AUDIO_ENABLE_EP_OUT 1
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#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
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#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ CFG_TUD_AUDIO_EP_OUT_SZ*3
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#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
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#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
|
||||
|
||||
@@ -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
|
||||
|
||||
@@ -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
|
||||
|
||||
Reference in New Issue
Block a user