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Additional Sample Format for USB Audio Streaming in usb_device_uac (AEGHB-1139) #541

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Additional Sample Format for USB Audio Streaming in usb_device_uac (AEGHB-1139) #541

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dd0b288
fix(usb_host_uac): mixup of mic/spk
Schuwi Jul 12, 2025
6b958d4
feat(usb_host_uac): configurable sample format
Schuwi Jul 12, 2025
3d59d15
fix(usb_host_uac): build failure if no mic/spk channel
Schuwi Jul 12, 2025
8afba53
fix(usb_device_uac): typo in uac_descriptors.h
Schuwi Jul 21, 2025
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29 changes: 29 additions & 0 deletions components/usb/usb_device_uac/Kconfig.uac
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Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,42 @@ menu "USB Device UAC"
config UAC_SAMPLE_RATE
int "UAC sample rate"
default 48000

choice UAC_SPK_SAMPLE_FORMAT
prompt "UAC SPK sample format"
default UAC_SPK_SAMPLE_FORMAT_PCM
help
SPK: Select in which data type samples shall be expected from USB host.
Currently supports PCM (16-bit signed integer) or IEEE Floating Point (32-bit).

config UAC_SPK_SAMPLE_FORMAT_PCM
bool "PCM (16-bit)"

config UAC_SPK_SAMPLE_FORMAT_FLOAT
bool "IEEE Floating Point (32-bit)"
endchoice

config UAC_SPK_INTERVAL_MS
int "UAC SPK interval(ms)"
default 10
help
SPK: The first interval of reading data from UAC device, in ms. And make SPK FIFO to accommodate data of size n milliseconds.

choice UAC_MIC_SAMPLE_FORMAT
prompt "UAC MIC sample format"
default UAC_MIC_SAMPLE_FORMAT_PCM
help
MIC: Select in which data type samples are sent to USB host.
Currently supports PCM (16-bit signed integer) or IEEE Floating Point (32-bit).
Only affects data rate calculation and USB descriptor! Library user must ensure correct data format.

config UAC_MIC_SAMPLE_FORMAT_PCM
bool "PCM (16-bit)"

config UAC_MIC_SAMPLE_FORMAT_FLOAT
bool "IEEE Floating Point (32-bit)"
endchoice

config UAC_MIC_INTERVAL_MS
int "UAC MIC interval(ms)"
default 10
Expand Down
38 changes: 30 additions & 8 deletions components/usb/usb_device_uac/tusb_uac/tusb_config_uac.h
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Expand Up @@ -19,6 +19,14 @@ extern "C" {
// AUDIO CLASS DRIVER CONFIGURATION
//--------------------------------------------------------------------

// Beware of confusion!

// When using RX and TX it is out of the perspective of the device (us),
// so RX is the data received from the host (SPK) and TX is the data sent to the host (MIC).

// But IN and OUT are the perspective of the host,
// so OUT is the data received from the host (SPK) and IN is the data sent to the host (MIC).

// Enable feedback EP
#define CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP 1

Expand All @@ -33,29 +41,43 @@ extern "C" {
#define CFG_TUD_AUDIO_FUNC_1_N_FORMATS 1

#define CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE DEFAULT_SAMPLE_RATE
#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX SPEAK_CHANNEL_NUM
#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX MIC_CHANNEL_NUM
#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX SPEAK_CHANNEL_NUM
#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX MIC_CHANNEL_NUM

// Sample type
#if SPK_FORMAT_PCM
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Missing #else clause for SPK format configuration. If neither SPK_FORMAT_PCM nor SPK_FORMAT_FLOAT is defined, the RX sample configuration will be undefined, leading to compilation errors.

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// 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
#elif SPK_FORMAT_FLOAT
// 32bit in 32bit slots
#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX 4
#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_RX 32
#endif

#if MIC_FORMAT_PCM
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Missing #else clause for MIC format configuration. If neither MIC_FORMAT_PCM nor MIC_FORMAT_FLOAT is defined, the TX sample configuration will be undefined, leading to compilation errors.

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#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
#elif MIC_FORMAT_FLOAT
#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX 4
#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_TX 32
#endif

// EP and buffer size - for isochronous EP´s, the buffer and EP size are equal (different sizes would not make sense)
#define CFG_TUD_AUDIO_ENABLE_EP_IN 1

// MIC
#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN ((CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE / 1000 * CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX * CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX) + 4)
#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN ((CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE / 1000 * CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX * CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX) + 4)

#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN * (MIC_INTERVAL_MS + 1)
#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN // Maximum EP IN size for all AS alternate settings used

//------------ SPK (RX / OUT) -------------//

// 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

// SPK +4 for audio feedback
#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_OUT ((CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE / 1000 * CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX * CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX) + 4)
// +4 for audio feedback
#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_OUT ((CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE / 1000 * CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX * CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX) + 4)

#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_OUT * (SPK_INTERVAL_MS + 1)
#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SZ_MAX CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_OUT // Maximum EP IN size for all AS alternate settings used
Expand Down
12 changes: 12 additions & 0 deletions components/usb/usb_device_uac/tusb_uac/uac_config.h
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Expand Up @@ -17,6 +17,18 @@ extern "C" {
#define SPK_INTERVAL_MS CONFIG_UAC_SPK_INTERVAL_MS /*!< READ INTERVAL in ms*/
#define MIC_INTERVAL_MS CONFIG_UAC_MIC_INTERVAL_MS /*!< WRITE INTERVAL in ms*/

#if CONFIG_UAC_SPK_SAMPLE_FORMAT_PCM
#define SPK_FORMAT_PCM 1
#elif CONFIG_UAC_SPK_SAMPLE_FORMAT_FLOAT
#define SPK_FORMAT_FLOAT 1
#endif

#if CONFIG_UAC_MIC_SAMPLE_FORMAT_PCM
#define MIC_FORMAT_PCM 1
#elif CONFIG_UAC_MIC_SAMPLE_FORMAT_FLOAT
#define MIC_FORMAT_FLOAT 1
#endif

#define IN_CTRL_CH_VALUE U32_TO_U8S_LE(AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS)

#if SPEAK_CHANNEL_NUM == 1
Expand Down
20 changes: 16 additions & 4 deletions components/usb/usb_device_uac/tusb_uac/uac_descriptors.h
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Expand Up @@ -56,6 +56,18 @@ enum {
#define UAC2_ENTITY_MIC_FEATURE_TERMINAL 0x12
#define UAC2_ENTITY_MIC_OUTPUT_TERMINAL 0x13

#if SPK_FORMAT_PCM
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The macro SPK_FORMAT_PCM may be undefined when neither PCM nor FLOAT is selected, leading to undefined behavior. Consider adding an #else clause with a default format or an #error directive to catch invalid configurations.

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#define SPK_SAMPLE_FORMAT AUDIO_DATA_FORMAT_TYPE_I_PCM
#elif SPK_FORMAT_FLOAT
#define SPK_SAMPLE_FORMAT AUDIO_DATA_FORMAT_TYPE_I_IEEE_FLOAT
#endif

#if MIC_FORMAT_PCM
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The macro MIC_FORMAT_PCM may be undefined when neither PCM nor FLOAT is selected, leading to undefined behavior. Consider adding an #else clause with a default format or an #error directive to catch invalid configurations.

Copilot uses AI. Check for mistakes.

#define MIC_SAMPLE_FORMAT AUDIO_DATA_FORMAT_TYPE_I_PCM
#elif MIC_FORMAT_FLOAT
#define MIC_SAMPLE_FORMAT AUDIO_DATA_FORMAT_TYPE_I_IEEE_FLOAT
#endif

#if SPEAK_CHANNEL_NUM && MIC_CHANNEL_NUM
#define NUM_INTERFACES 3
#elif SPEAK_CHANNEL_NUM || MIC_CHANNEL_NUM
Expand Down Expand Up @@ -175,7 +187,7 @@ enum {
/* Interface 1, Alternate 1 - alternate interface for data streaming */\
TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ _itfnum + 1, /*_altset*/ 0x01, /*_nEPs*/ 0x02, /*_stridx*/ _stridx + 1),\
/* 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*/ SPEAK_CHANNEL_NUM, /*_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*/ SPK_SAMPLE_FORMAT, /*_nchannelsphysical*/ SPEAK_CHANNEL_NUM, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_stridx*/ 0x00),\
/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */\
TUD_AUDIO_DESC_TYPE_I_FORMAT(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_RX),\
/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */\
Expand All @@ -191,7 +203,7 @@ enum {
/* Interface 2, Alternate 1 - alternate interface for data streaming */\
TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ _itfnum + 2, /*_altset*/ 0x01, /*_nEPs*/ 0x01, /*_stridx*/ _stridx + 2),\
/* 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*/ MIC_CHANNEL_NUM, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_FRONT_CENTER, /*_stridx*/ 0x00),\
TUD_AUDIO_DESC_CS_AS_INT(/*_termid*/ UAC2_ENTITY_MIC_OUTPUT_TERMINAL, /*_ctrl*/ AUDIO_CTRL_NONE, /*_formattype*/ AUDIO_FORMAT_TYPE_I, /*_formats*/ MIC_SAMPLE_FORMAT, /*_nchannelsphysical*/ MIC_CHANNEL_NUM, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_FRONT_CENTER, /*_stridx*/ 0x00),\
/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */\
TUD_AUDIO_DESC_TYPE_I_FORMAT(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_TX),\
/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */\
Expand Down Expand Up @@ -226,7 +238,7 @@ enum {
/* Interface 1, Alternate 1 - alternate interface for data streaming */\
TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ _itfnum + 1, /*_altset*/ 0x01, /*_nEPs*/ 0x01, /*_stridx*/ _stridx + 1),\
/* 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*/ MIC_CHANNEL_NUM, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_FRONT_CENTER, /*_stridx*/ 0x00),\
TUD_AUDIO_DESC_CS_AS_INT(/*_termid*/ UAC2_ENTITY_MIC_OUTPUT_TERMINAL, /*_ctrl*/ AUDIO_CTRL_NONE, /*_formattype*/ AUDIO_FORMAT_TYPE_I, /*_formats*/ MIC_SAMPLE_FORMAT, /*_nchannelsphysical*/ MIC_CHANNEL_NUM, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_FRONT_CENTER, /*_stridx*/ 0x00),\
/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */\
TUD_AUDIO_DESC_TYPE_I_FORMAT(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_TX),\
/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */\
Expand Down Expand Up @@ -261,7 +273,7 @@ enum {
/* Interface 1, Alternate 1 - alternate interface for data streaming */\
TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ _itfnum + 1, /*_altset*/ 0x01, /*_nEPs*/ 0x02, /*_stridx*/ _stridx + 1),\
/* 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*/ SPEAK_CHANNEL_NUM, /*_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*/ SPK_SAMPLE_FORMAT, /*_nchannelsphysical*/ SPEAK_CHANNEL_NUM, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_stridx*/ 0x00),\
/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */\
TUD_AUDIO_DESC_TYPE_I_FORMAT(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_RX),\
/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */\
Expand Down
20 changes: 12 additions & 8 deletions components/usb/usb_device_uac/usb_device_uac.c
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Expand Up @@ -312,15 +312,15 @@ bool tud_audio_set_itf_close_EP_cb(uint8_t rhport, tusb_control_request_t const
uint8_t const itf = tu_u16_low(tu_le16toh(p_request->wIndex));
uint8_t const alt = tu_u16_low(tu_le16toh(p_request->wValue));

#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX
#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX
if (s_uac_device->spk_itf_num == itf && alt == 0) {
TU_LOG2("Speaker interface closed");
s_uac_device->spk_data_size = 0;
s_uac_device->spk_active = false;
}
#endif

#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX
#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX
if (s_uac_device->mic_itf_num == itf && alt == 0) {
TU_LOG2("Microphone interface closed");
s_uac_device->mic_data_size = 0;
Expand All @@ -339,7 +339,7 @@ bool tud_audio_set_itf_cb(uint8_t rhport, tusb_control_request_t const *p_reques

TU_LOG2("Set interface %d alt %d\r\n", itf, alt);

#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX
#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX
if (s_uac_device->spk_itf_num == itf && alt != 0) {
s_uac_device->spk_data_size = 0;
s_uac_device->spk_resolution = spk_resolutions_per_format[alt - 1];
Expand All @@ -351,7 +351,7 @@ bool tud_audio_set_itf_cb(uint8_t rhport, tusb_control_request_t const *p_reques
}
#endif

#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX
#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX
if (s_uac_device->mic_itf_num == itf && alt != 0) {
s_uac_device->mic_data_size = 0;
s_uac_device->mic_resolution = mic_resolutions_per_format[alt - 1];
Expand Down Expand Up @@ -431,7 +431,7 @@ bool tud_audio_tx_done_pre_load_cb(uint8_t rhport, uint8_t itf, uint8_t ep_in, u
return true;
}

#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX
#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX
static void usb_spk_task(void *pvParam)
{
while (1) {
Expand All @@ -453,7 +453,7 @@ static void usb_spk_task(void *pvParam)
}
#endif

#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX
#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX
static void usb_mic_task(void *pvParam)
{
while (1) {
Expand Down Expand Up @@ -505,8 +505,12 @@ esp_err_t uac_device_init(uac_device_config_t *config)
s_uac_device->spk_itf_num = config->spk_itf_num;
s_uac_device->mic_itf_num = config->mic_itf_num;
#else
#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX
s_uac_device->spk_itf_num = ITF_NUM_AUDIO_STREAMING_SPK;
#endif
#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX
s_uac_device->mic_itf_num = ITF_NUM_AUDIO_STREAMING_MIC;
#endif
#endif

BaseType_t ret_val;
Expand All @@ -522,13 +526,13 @@ esp_err_t uac_device_init(uac_device_config_t *config)
ESP_RETURN_ON_FALSE(ret_val == pdPASS, ESP_FAIL, TAG, "Failed to create TinyUSB task");
}

#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX
#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX
ret_val = xTaskCreatePinnedToCore(usb_mic_task, "usb_mic_task", 4096, NULL, CONFIG_UAC_MIC_TASK_PRIORITY,
&s_uac_device->mic_task_handle, CONFIG_UAC_MIC_TASK_CORE == -1 ? tskNO_AFFINITY : CONFIG_UAC_MIC_TASK_CORE);
ESP_RETURN_ON_FALSE(ret_val == pdPASS, ESP_FAIL, TAG, "Failed to create usb_mic task");
#endif

#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX
#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX
ret_val = xTaskCreatePinnedToCore(usb_spk_task, "usb_spk_task", 4096, NULL, CONFIG_UAC_SPK_TASK_PRIORITY,
&s_uac_device->spk_task_handle, CONFIG_UAC_SPK_TASK_CORE == -1 ? tskNO_AFFINITY : CONFIG_UAC_SPK_TASK_CORE);
ESP_RETURN_ON_FALSE(ret_val == pdPASS, ESP_FAIL, TAG, "Failed to create usb_spk task");
Expand Down