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audio: fix descriptor endpoint attribute error and add audiov2 feedback descriptor

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- fix descriptor endpoint attribute error and add audiov2 feedback descriptor

Signed-off-by: Zhihong Chen <zhihong.chen@hpmicro.com>
This commit is contained in:
Zhihong Chen
2023-06-02 10:11:06 +08:00
committed by sakumisu
parent 9d24ae4725
commit 16180bfc8e
6 changed files with 74 additions and 16 deletions
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65
class/audio/usb_audio.h
View File

@@ -760,7 +760,7 @@ struct audio_cs_ep_ep_general_descriptor {
__VA_ARGS__, /* bmaControls(0) Mute */ \ __VA_ARGS__, /* bmaControls(0) Mute */ \
0x00 /* iTerminal */ 0x00 /* iTerminal */
#define AUDIO_AS_DESCRIPTOR_INIT(bInterfaceNumber, bTerminalLink, bNrChannels, bSubFrameSize, bBitResolution, bEndpointAddress, wMaxPacketSize, bInterval, ...) \ #define AUDIO_AS_DESCRIPTOR_INIT(bInterfaceNumber, bTerminalLink, bNrChannels, bSubFrameSize, bBitResolution, bEndpointAddress, bmAttributes, wMaxPacketSize, bInterval, ...) \
0x09, /* bLength */ \ 0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \ USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
bInterfaceNumber, /* bInterfaceNumber */ \ bInterfaceNumber, /* bInterfaceNumber */ \
@@ -797,7 +797,7 @@ struct audio_cs_ep_ep_general_descriptor {
0x09, /* bLength */ \ 0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \ USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \
bEndpointAddress, /* bEndpointAddress : IN endpoint 1 */ \ bEndpointAddress, /* bEndpointAddress : IN endpoint 1 */ \
0x01, /* bmAttributes */ \ bmAttributes, /* bmAttributes */ \
WBVAL(wMaxPacketSize), /* wMaxPacketSize */ \ WBVAL(wMaxPacketSize), /* wMaxPacketSize */ \
bInterval, /* bInterval : one packet per frame */ \ bInterval, /* bInterval : one packet per frame */ \
0x00, /* bRefresh */ \ 0x00, /* bRefresh */ \
@@ -1033,7 +1033,7 @@ struct audio_v2_control_range3_param_block {
__VA_ARGS__, /* bmaControls(0) Mute */ \ __VA_ARGS__, /* bmaControls(0) Mute */ \
0x00 /* iTerminal */ 0x00 /* iTerminal */
#define AUDIO_V2_AS_DESCRIPTOR_INIT(bInterfaceNumber, bTerminalLink, bNrChannels, bmChannelConfig, bSubslotSize, bBitResolution, bEndpointAddress, wMaxPacketSize, bInterval) \ #define AUDIO_V2_AS_DESCRIPTOR_INIT(bInterfaceNumber, bTerminalLink, bNrChannels, bmChannelConfig, bSubslotSize, bBitResolution, bEndpointAddress, bmAttributes, wMaxPacketSize, bInterval) \
0x09, /* bLength */ \ 0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \ USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
bInterfaceNumber, /* bInterfaceNumber */ \ bInterfaceNumber, /* bInterfaceNumber */ \
@@ -1071,7 +1071,7 @@ struct audio_v2_control_range3_param_block {
0x07, /* bLength */ \ 0x07, /* bLength */ \
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \ USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \
bEndpointAddress, /* bEndpointAddress 3 out endpoint for Audio */ \ bEndpointAddress, /* bEndpointAddress 3 out endpoint for Audio */ \
0x01, /* bmAttributes */ \ bmAttributes, /* bmAttributes */ \
WBVAL(wMaxPacketSize), /* XXXX wMaxPacketSize in Bytes (SampleRate * SlotByteSize * NumChannels) */ \ WBVAL(wMaxPacketSize), /* XXXX wMaxPacketSize in Bytes (SampleRate * SlotByteSize * NumChannels) */ \
bInterval, /* bInterval */ \ bInterval, /* bInterval */ \
0x08, /* bLength */ \ 0x08, /* bLength */ \
@@ -1083,9 +1083,66 @@ struct audio_v2_control_range3_param_block {
0x00, /* wLockDelay */ \ 0x00, /* wLockDelay */ \
0x00 0x00
#define AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_INIT(bInterfaceNumber, bTerminalLink, bNrChannels, bmChannelConfig, bSubslotSize, bBitResolution, bEndpointAddress, wMaxPacketSize, bInterval, bFeedbackEndpointAddress) \
0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
bInterfaceNumber, /* bInterfaceNumber */ \
0x00, /* bAlternateSetting */ \
0x00, /* bNumEndpoints */ \
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */ \
AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */ \
AUDIO_PROTOCOLv20, /* bInterfaceProtocol */ \
0x00, /* iInterface */ \
0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
bInterfaceNumber, /* bInterfaceNumber */ \
0x01, /* bAlternateSetting */ \
0x02, /* bNumEndpoints */ \
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */ \
AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */ \
AUDIO_PROTOCOLv20, /* bInterfaceProtocol */ \
0x00, /* iInterface */ \
0x10, /* bLength */ \
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
AUDIO_STREAMING_GENERAL, /* bDescriptorSubtype */ \
bTerminalLink, /* bTerminalLink : Unit ID of the Output or Input Terminal*/ \
0x00, /* bmControls */ \
AUDIO_FORMAT_TYPE_I, /* bFormatType : AUDIO_FORMAT_TYPE_I */ \
DBVAL(AUDIO_V2_FORMAT_PCM), /* bmFormats PCM */ \
bNrChannels, /* bNrChannels */ \
DBVAL(bmChannelConfig), /* bmChannelConfig */ \
0x00, /* iChannelNames */ \
0x06, /* bLength */ \
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
AUDIO_STREAMING_FORMAT_TYPE, /* bDescriptorSubtype */ \
AUDIO_FORMAT_TYPE_I, /* bFormatType */ \
bSubslotSize, /* bSubslotSize */ \
bBitResolution, /* bBitResolution */ \
0x07, /* bLength */ \
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \
bEndpointAddress, /* bEndpointAddress 3 out endpoint for Audio */ \
0x05, /* bmAttributes: TransferType=Isochronous SyncType=Asynchronous EndpointType=Data*/ \
WBVAL(wMaxPacketSize), /* XXXX wMaxPacketSize in Bytes (SampleRate * SlotByteSize * NumChannels) */ \
bInterval, /* bInterval */ \
0x08, /* bLength */ \
AUDIO_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType */ \
AUDIO_ENDPOINT_GENERAL, /* bDescriptor */ \
0x00, /* bmAttributes */ \
0x00, /* bmControls */ \
0x00, /* bLockDelayUnits */ \
0x00, /* wLockDelay */ \
0x00, \
0x07, /* bLength */ \
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \
bFeedbackEndpointAddress, /* bFeedbackEndpointAddress Revise Dir to bEndpointAddress */ \
0x11, /* bmAttributes: TransferType=Isochronous SyncType=None EndpointType=Feedback */ \
WBVAL(4), /* XXXX wMaxPacketSize in Bytes */ \
bInterval /* bInterval */ \
// clang-format on // clang-format on
#define AUDIO_V2_AS_DESCRIPTOR_INIT_LEN (0x09 + 0x09 + 0x10 + 0x06 + 0x07 + 0x08) #define AUDIO_V2_AS_DESCRIPTOR_INIT_LEN (0x09 + 0x09 + 0x10 + 0x06 + 0x07 + 0x08)
#define AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_INIT_LEN (0x09 + 0x09 + 0x10 + 0x06 + 0x07 + 0x08 + 0x07)
#define AUDIO_SAMPLE_FREQ_NUM(num) (uint8_t)(num), (uint8_t)((num >> 8)) #define AUDIO_SAMPLE_FREQ_NUM(num) (uint8_t)(num), (uint8_t)((num >> 8))
#define AUDIO_SAMPLE_FREQ_3B(frq) (uint8_t)(frq), (uint8_t)((frq >> 8)), (uint8_t)((frq >> 16)) #define AUDIO_SAMPLE_FREQ_3B(frq) (uint8_t)(frq), (uint8_t)((frq >> 8)), (uint8_t)((frq >> 16))

2
demo/audio_v1_mic_multichan_template.c
View File

@@ -68,7 +68,7 @@ const uint8_t audio_descriptor[] = {
AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x01, AUDIO_INTERM_MIC, IN_CHANNEL_NUM, INPUT_CH_ENABLE), AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x01, AUDIO_INTERM_MIC, IN_CHANNEL_NUM, INPUT_CH_ENABLE),
AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x02, 0x01, 0x01, INPUT_CTRL), AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x02, 0x01, 0x01, INPUT_CTRL),
AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x03, AUDIO_TERMINAL_STREAMING, 0x02), AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x03, AUDIO_TERMINAL_STREAMING, 0x02),
AUDIO_AS_DESCRIPTOR_INIT(0x01, 0x03, IN_CHANNEL_NUM, 2, 16, AUDIO_IN_EP, AUDIO_IN_PACKET, EP_INTERVAL, AUDIO_SAMPLE_FREQ_3B(AUDIO_FREQ)), AUDIO_AS_DESCRIPTOR_INIT(0x01, 0x03, IN_CHANNEL_NUM, 2, 16, AUDIO_IN_EP, 0x05, AUDIO_IN_PACKET, EP_INTERVAL, AUDIO_SAMPLE_FREQ_3B(AUDIO_FREQ)),
/////////////////////////////////////// ///////////////////////////////////////
/// string0 descriptor /// string0 descriptor
/////////////////////////////////////// ///////////////////////////////////////

4
demo/audio_v1_mic_speaker_multichan_template.c
View File

@@ -59,9 +59,9 @@ const uint8_t audio_descriptor[] = {
AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_TERMINAL_STREAMING, 0x02, 0x0003), AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_TERMINAL_STREAMING, 0x02, 0x0003),
AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x05, 0x04, 0x01, 0x03, 0x00, 0x00), AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x05, 0x04, 0x01, 0x03, 0x00, 0x00),
AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x06, AUDIO_OUTTERM_SPEAKER, 0x05), AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x06, AUDIO_OUTTERM_SPEAKER, 0x05),
AUDIO_AS_DESCRIPTOR_INIT(0x01, 0x04, 0x02, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, AUDIO_OUT_PACKET, AUDIO_AS_DESCRIPTOR_INIT(0x01, 0x04, 0x02, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, 0x09, AUDIO_OUT_PACKET,\
EP_INTERVAL, AUDIO_SAMPLE_FREQ_3B(AUDIO_SPEAKER_FREQ)), EP_INTERVAL, AUDIO_SAMPLE_FREQ_3B(AUDIO_SPEAKER_FREQ)),
AUDIO_AS_DESCRIPTOR_INIT(0x02, 0x03, 0x02, AUDIO_MIC_FRAME_SIZE_BYTE, AUDIO_MIC_RESOLUTION_BIT, AUDIO_IN_EP, AUDIO_IN_PACKET, AUDIO_AS_DESCRIPTOR_INIT(0x02, 0x03, 0x02, AUDIO_MIC_FRAME_SIZE_BYTE, AUDIO_MIC_RESOLUTION_BIT, AUDIO_IN_EP, 0x05, AUDIO_IN_PACKET,\
EP_INTERVAL, AUDIO_SAMPLE_FREQ_3B(AUDIO_MIC_FREQ)), EP_INTERVAL, AUDIO_SAMPLE_FREQ_3B(AUDIO_MIC_FREQ)),
/////////////////////////////////////// ///////////////////////////////////////
/// string0 descriptor /// string0 descriptor

5
demo/audio_v2_mic_multichan_template.c
View File

@@ -18,8 +18,9 @@
#define HALF_WORD_BYTES 2 //2 half word (one channel) #define HALF_WORD_BYTES 2 //2 half word (one channel)
#define SAMPLE_BITS 16 //16 bit per channel #define SAMPLE_BITS 16 //16 bit per channel
#define BMCONTROL (AUDIO_V2_FU_CONTROL_MUTE | AUDIO_V2_FU_CONTROL_VOLUME)
#define IN_CHANNEL_NUM 2 #define IN_CHANNEL_NUM 2
#define BMCONTROL (AUDIO_V2_FU_CONTROL_MUTE | AUDIO_V2_FU_CONTROL_VOLUME)
#if IN_CHANNEL_NUM == 1 #if IN_CHANNEL_NUM == 1
#define INPUT_CTRL DBVAL(BMCONTROL), DBVAL(BMCONTROL) #define INPUT_CTRL DBVAL(BMCONTROL), DBVAL(BMCONTROL)
@@ -72,7 +73,7 @@ const uint8_t audio_descriptor[] = {
AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x02, AUDIO_INTERM_MIC, 0x01, IN_CHANNEL_NUM, INPUT_CH_ENABLE, 0x0000), AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x02, AUDIO_INTERM_MIC, 0x01, IN_CHANNEL_NUM, INPUT_CH_ENABLE, 0x0000),
AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x03, 0x02, INPUT_CTRL), AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x03, 0x02, INPUT_CTRL),
AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_TERMINAL_STREAMING, 0x03, 0x01, 0x0000), AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_TERMINAL_STREAMING, 0x03, 0x01, 0x0000),
AUDIO_V2_AS_DESCRIPTOR_INIT(0x01, 0x04, IN_CHANNEL_NUM, INPUT_CH_ENABLE, HALF_WORD_BYTES, SAMPLE_BITS, AUDIO_IN_EP, (AUDIO_IN_PACKET + 4), EP_INTERVAL), AUDIO_V2_AS_DESCRIPTOR_INIT(0x01, 0x04, IN_CHANNEL_NUM, INPUT_CH_ENABLE, HALF_WORD_BYTES, SAMPLE_BITS, AUDIO_IN_EP, 0x05, (AUDIO_IN_PACKET + 4), EP_INTERVAL),
/////////////////////////////////////// ///////////////////////////////////////
/// string0 descriptor /// string0 descriptor
/////////////////////////////////////// ///////////////////////////////////////

8
demo/audio_v2_mic_speaker_multichan_template.c
View File

@@ -19,6 +19,8 @@
#define HALF_WORD_BYTES 2 //2 half word (one channel) #define HALF_WORD_BYTES 2 //2 half word (one channel)
#define SAMPLE_BITS 16 //16 bit per channel #define SAMPLE_BITS 16 //16 bit per channel
#define BMCONTROL (AUDIO_V2_FU_CONTROL_MUTE | AUDIO_V2_FU_CONTROL_VOLUME)
#define IN_CHANNEL_NUM 2 #define IN_CHANNEL_NUM 2
#if IN_CHANNEL_NUM == 1 #if IN_CHANNEL_NUM == 1
@@ -81,8 +83,6 @@
#define AUDIO_OUT_PACKET ((uint32_t)((AUDIO_FREQ * HALF_WORD_BYTES * OUT_CHANNEL_NUM) / 1000)) #define AUDIO_OUT_PACKET ((uint32_t)((AUDIO_FREQ * HALF_WORD_BYTES * OUT_CHANNEL_NUM) / 1000))
#define AUDIO_IN_PACKET ((uint32_t)((AUDIO_FREQ * HALF_WORD_BYTES * IN_CHANNEL_NUM) / 1000)) #define AUDIO_IN_PACKET ((uint32_t)((AUDIO_FREQ * HALF_WORD_BYTES * IN_CHANNEL_NUM) / 1000))
#define BMCONTROL (AUDIO_V2_FU_CONTROL_MUTE | AUDIO_V2_FU_CONTROL_VOLUME)
#define USB_AUDIO_CONFIG_DESC_SIZ (9 + \ #define USB_AUDIO_CONFIG_DESC_SIZ (9 + \
AUDIO_V2_AC_DESCRIPTOR_INIT_LEN + \ AUDIO_V2_AC_DESCRIPTOR_INIT_LEN + \
AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC + \ AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC + \
@@ -118,8 +118,8 @@ uint8_t audio_descriptor[] = {
AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x06, AUDIO_INTERM_MIC, 0x05, IN_CHANNEL_NUM, INPUT_CH_ENABLE, 0x0000), AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x06, AUDIO_INTERM_MIC, 0x05, IN_CHANNEL_NUM, INPUT_CH_ENABLE, 0x0000),
AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x07, 0x06, INPUT_CTRL), AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x07, 0x06, INPUT_CTRL),
AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x08, AUDIO_TERMINAL_STREAMING, 0x07, 0x05, 0x0000), AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x08, AUDIO_TERMINAL_STREAMING, 0x07, 0x05, 0x0000),
AUDIO_V2_AS_DESCRIPTOR_INIT(0x01, 0x02, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, HALF_WORD_BYTES, SAMPLE_BITS, AUDIO_OUT_EP, AUDIO_OUT_PACKET, EP_INTERVAL), AUDIO_V2_AS_DESCRIPTOR_INIT(0x01, 0x02, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, HALF_WORD_BYTES, SAMPLE_BITS, AUDIO_OUT_EP, 0x09, AUDIO_OUT_PACKET, EP_INTERVAL),
AUDIO_V2_AS_DESCRIPTOR_INIT(0x02, 0x08, IN_CHANNEL_NUM, INPUT_CH_ENABLE, HALF_WORD_BYTES, SAMPLE_BITS, AUDIO_IN_EP, (AUDIO_IN_PACKET + 4), EP_INTERVAL), AUDIO_V2_AS_DESCRIPTOR_INIT(0x02, 0x08, IN_CHANNEL_NUM, INPUT_CH_ENABLE, HALF_WORD_BYTES, SAMPLE_BITS, AUDIO_IN_EP, 0x05, (AUDIO_IN_PACKET + 4), EP_INTERVAL),
/////////////////////////////////////// ///////////////////////////////////////
/// string0 descriptor /// string0 descriptor
/////////////////////////////////////// ///////////////////////////////////////

6
demo/audio_v2_speaker_multichan_template.c
View File

@@ -18,6 +18,8 @@
#define HALF_WORD_BYTES 2 //2 half word (one channel) #define HALF_WORD_BYTES 2 //2 half word (one channel)
#define SAMPLE_BITS 16 //16 bit per channel #define SAMPLE_BITS 16 //16 bit per channel
#define BMCONTROL (AUDIO_V2_FU_CONTROL_MUTE | AUDIO_V2_FU_CONTROL_VOLUME)
#define OUT_CHANNEL_NUM 2 #define OUT_CHANNEL_NUM 2
#if OUT_CHANNEL_NUM == 1 #if OUT_CHANNEL_NUM == 1
@@ -48,8 +50,6 @@
#define AUDIO_OUT_PACKET ((uint32_t)((AUDIO_FREQ * HALF_WORD_BYTES * OUT_CHANNEL_NUM) / 1000)) #define AUDIO_OUT_PACKET ((uint32_t)((AUDIO_FREQ * HALF_WORD_BYTES * OUT_CHANNEL_NUM) / 1000))
#define BMCONTROL (AUDIO_V2_FU_CONTROL_MUTE | AUDIO_V2_FU_CONTROL_VOLUME)
#define USB_AUDIO_CONFIG_DESC_SIZ (9 + \ #define USB_AUDIO_CONFIG_DESC_SIZ (9 + \
AUDIO_V2_AC_DESCRIPTOR_INIT_LEN + \ AUDIO_V2_AC_DESCRIPTOR_INIT_LEN + \
AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC + \ AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC + \
@@ -72,7 +72,7 @@ const uint8_t audio_descriptor[] = {
AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x02, AUDIO_TERMINAL_STREAMING, 0x01, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, 0x0000), AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x02, AUDIO_TERMINAL_STREAMING, 0x01, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, 0x0000),
AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x03, 0x02, OUTPUT_CTRL), AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x03, 0x02, OUTPUT_CTRL),
AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_OUTTERM_SPEAKER, 0x03, 0x01, 0x0000), AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_OUTTERM_SPEAKER, 0x03, 0x01, 0x0000),
AUDIO_V2_AS_DESCRIPTOR_INIT(0x01, 0x02, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, HALF_WORD_BYTES, SAMPLE_BITS, AUDIO_OUT_EP, AUDIO_OUT_PACKET, EP_INTERVAL), AUDIO_V2_AS_DESCRIPTOR_INIT(0x01, 0x02, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, HALF_WORD_BYTES, SAMPLE_BITS, AUDIO_OUT_EP, 0x09, AUDIO_OUT_PACKET, EP_INTERVAL),
/////////////////////////////////////// ///////////////////////////////////////
/// string0 descriptor /// string0 descriptor
/////////////////////////////////////// ///////////////////////////////////////