update(demo): format uac demos with macros

Signed-off-by: sakumisu <1203593632@qq.com>

class/audio/usb_audio.h

@@ -88,18 +88,6 @@
 #define AUDIO_ENDPOINT_UNDEFINED 0x00U
 #define AUDIO_ENDPOINT_GENERAL   0x01U
 
-/* Feature Unit Control Bits */
-#define AUDIO_CONTROL_MUTE              0x0001
-#define AUDIO_CONTROL_VOLUME            0x0002
-#define AUDIO_CONTROL_BASS              0x0004
-#define AUDIO_CONTROL_MID               0x0008
-#define AUDIO_CONTROL_TREBLE            0x0010
-#define AUDIO_CONTROL_GRAPHIC_EQUALIZER 0x0020
-#define AUDIO_CONTROL_AUTOMATIC_GAIN    0x0040
-#define AUDIO_CONTROL_DEALY             0x0080
-#define AUDIO_CONTROL_BASS_BOOST        0x0100
-#define AUDIO_CONTROL_LOUDNESS          0x0200
-
 /* Encoder Type Codes */
 #define AUDIO_ENCODER_UNDEF 0x00
 #define AUDIO_ENCODER_OTHER 0x01
@@ -245,22 +233,34 @@
 #define AUDIO_FU_CONTROL_OVERFLOW     0x0f
 #define AUDIO_FU_CONTROL_LATENCY      0x10
 
-#define AUDIO_V2_FU_CONTROL_UNDEF        0x00
-#define AUDIO_V2_FU_CONTROL_MUTE         (0x03 << 0)
-#define AUDIO_V2_FU_CONTROL_VOLUME       (0x03 << 2)
-#define AUDIO_V2_FU_CONTROL_BASS         (0x03 << 4)
-#define AUDIO_V2_FU_CONTROL_MID          (0x03 << 6)
-#define AUDIO_V2_FU_CONTROL_TREBLE       (0x03 << 8)
-#define AUDIO_V2_FU_CONTROL_EQUALIZER    (0x03 << 10)
-#define AUDIO_V2_FU_CONTROL_AGC          (0x03 << 12)
-#define AUDIO_V2_FU_CONTROL_DELAY        (0x03 << 14)
-#define AUDIO_V2_FU_CONTROL_BASS_BOOST   (0x03 << 16)
-#define AUDIO_V2_FU_CONTROL_LOUDNESS     (0x03 << 18)
-#define AUDIO_V2_FU_CONTROL_INP_GAIN     (0x03 << 20)
-#define AUDIO_V2_FU_CONTROL_INP_GAIN_PAD (0x03 << 22)
-#define AUDIO_V2_FU_CONTROL_PHASE_INVERT (0x03 << 24)
-#define AUDIO_V2_FU_CONTROL_UNDERFLOW    (0x03 << 26)
-#define AUDIO_V2_FU_CONTROL_OVERFLOW     (0x03 << 28)
+/* Feature Unit Control Bits */
+#define AUDIO_CONTROL_MUTE              0x0001
+#define AUDIO_CONTROL_VOLUME            0x0002
+#define AUDIO_CONTROL_BASS              0x0004
+#define AUDIO_CONTROL_MID               0x0008
+#define AUDIO_CONTROL_TREBLE            0x0010
+#define AUDIO_CONTROL_GRAPHIC_EQUALIZER 0x0020
+#define AUDIO_CONTROL_AUTOMATIC_GAIN    0x0040
+#define AUDIO_CONTROL_DEALY             0x0080
+#define AUDIO_CONTROL_BASS_BOOST        0x0100
+#define AUDIO_CONTROL_LOUDNESS          0x0200
+
+#define AUDIO_V2_CONTROL_UNDEF        0x00
+#define AUDIO_V2_CONTROL_MUTE         (0x03 << 0)
+#define AUDIO_V2_CONTROL_VOLUME       (0x03 << 2)
+#define AUDIO_V2_CONTROL_BASS         (0x03 << 4)
+#define AUDIO_V2_CONTROL_MID          (0x03 << 6)
+#define AUDIO_V2_CONTROL_TREBLE       (0x03 << 8)
+#define AUDIO_V2_CONTROL_EQUALIZER    (0x03 << 10)
+#define AUDIO_V2_CONTROL_AGC          (0x03 << 12)
+#define AUDIO_V2_CONTROL_DELAY        (0x03 << 14)
+#define AUDIO_V2_CONTROL_BASS_BOOST   (0x03 << 16)
+#define AUDIO_V2_CONTROL_LOUDNESS     (0x03 << 18)
+#define AUDIO_V2_CONTROL_INP_GAIN     (0x03 << 20)
+#define AUDIO_V2_CONTROL_INP_GAIN_PAD (0x03 << 22)
+#define AUDIO_V2_CONTROL_PHASE_INVERT (0x03 << 24)
+#define AUDIO_V2_CONTROL_UNDERFLOW    (0x03 << 26)
+#define AUDIO_V2_CONTROL_OVERFLOW     (0x03 << 28)
 
 /* Parametric Equalizer Section Effect Unit Control Selectors */
 #define AUDIO_PE_CONTROL_UNDEF      0x00
@@ -605,7 +605,7 @@ struct audio_cs_if_ac_header_descriptor {
     uint8_t baInterfaceNr[];
 } __PACKED;
 
-#define AUDIO_SIZEOF_AC_HEADER_DESC(n) (8 + n)
+#define AUDIO_SIZEOF_AC_HEADER_DESC(bInCollection) (8 + (bInCollection))
 
 struct audio_cs_if_ac_input_terminal_descriptor {
     uint8_t bLength;
@@ -646,7 +646,7 @@ struct audio_cs_if_ac_feature_unit_descriptor {
     uint8_t iFeature;
 } __PACKED;
 
-#define AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(ch, n) (7 + (ch + 1) * n)
+#define AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(bNrChannels, bControlSize) (7 + ((bNrChannels) + 1) * (bControlSize))
 
 struct audio_cs_if_ac_selector_unit_descriptor {
     uint8_t bLength;
@@ -658,7 +658,7 @@ struct audio_cs_if_ac_selector_unit_descriptor {
     uint8_t iSelector;
 } __PACKED;
 
-#define AUDIO_SIZEOF_AC_SELECTOR_UNIT_DESC(n) (6 + n)
+#define AUDIO_SIZEOF_AC_SELECTOR_UNIT_DESC(bNrInPins) (6 + (bNrInPins))
 
 struct audio_cs_if_as_general_descriptor {
     uint8_t bLength;
@@ -683,7 +683,7 @@ struct audio_cs_if_as_format_type_descriptor {
     uint8_t tSamFreq[3];
 } __PACKED;
 
-#define AUDIO_SIZEOF_FORMAT_TYPE_DESC(n) (8 + 3 * n)
+#define AUDIO_SIZEOF_FORMAT_TYPE_DESC(bSamFreqType) (8 + 3 * (bSamFreqType))
 
 struct audio_ep_descriptor {
     uint8_t bLength;
@@ -738,7 +738,7 @@ struct audio_cs_ep_ep_general_descriptor {
     PP_NARG(__VA_ARGS__),            /* bInCollection */                                                                         \
     __VA_ARGS__                      /* baInterfaceNr */
 
-#define AUDIO_AC_DESCRIPTOR_INIT_LEN(n) (0x08 + 0x09 + 0x08 + n)
+#define AUDIO_AC_DESCRIPTOR_LEN(bInCollection) (0x08 + 0x09 + 0x08 + bInCollection)
 
 #define AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(bTerminalID, wTerminalType, bNrChannels, wChannelConfig) \
     0x0C,                            /* bLength */                                                   \
@@ -880,8 +880,8 @@ struct audio_cs_ep_ep_general_descriptor {
     0x03,                            /* bRefresh, 8ms */                                                                 \
     0x00                             /* bSynchAddress */
 
-#define AUDIO_AS_DESCRIPTOR_INIT_LEN(n) (0x09 + 0x09 + 0x07 + 0x08 + 3 * n + 0x09 + 0x07)
-#define AUDIO_AS_FEEDBACK_DESCRIPTOR_INIT_LEN(n) (0x09 + 0x09 + 0x07 + 0x08 + 3 * n + 0x09 + 0x07 + 0x09)
+#define AUDIO_AS_DESCRIPTOR_LEN(bSamFreqType) (0x09 + 0x09 + 0x07 + 0x08 + 3 * (bSamFreqType) + 0x09 + 0x07)
+#define AUDIO_AS_FEEDBACK_DESCRIPTOR_LEN(bSamFreqType) (0x09 + 0x09 + 0x07 + 0x08 + 3 * (bSamFreqType) + 0x09 + 0x07 + 0x09)
 
 #define AUDIO_AS_ALTSETTING_DESCRIPTOR_INIT(bInterfaceNumber, bAlternateSetting, bTerminalLink, bNrChannels, bSubFrameSize, bBitResolution, bEndpointAddress, bmAttributes, wMaxPacketSize, bInterval, ...) \
     0x09,                            /* bLength */                                                                       \
@@ -924,9 +924,9 @@ struct audio_cs_ep_ep_general_descriptor {
     0x00,                            /* wLockDelay */                                                                    \
     0x00
 
-#define AUDIO_AS_ALTSETTING_DESCRIPTOR_INIT_LEN(n) (0x09 + 0x07 + 0x08 + 3 * n + 0x09 + 0x07)
+#define AUDIO_AS_ALTSETTING_DESCRIPTOR_LEN(bSamFreqType) (0x09 + 0x07 + 0x08 + 3 * (bSamFreqType) + 0x09 + 0x07)
 
-#define AUDIO_AS_ALTSETTING0_DESCRIPTOR_INIT(bInterfaceNumber)                                               \
+#define AUDIO_AS_ALTSETTING0_DESCRIPTOR_INIT(bInterfaceNumber)                                                           \
     0x09,                            /* bLength */                                                                       \
     USB_DESCRIPTOR_TYPE_INTERFACE,   /* bDescriptorType */                                                               \
     bInterfaceNumber,                /* bInterfaceNumber */                                                              \
@@ -937,19 +937,6 @@ struct audio_cs_ep_ep_general_descriptor {
     AUDIO_PROTOCOL_UNDEFINED,        /* bInterfaceProtocol */                                                            \
     0x00                             /* iInterface */
 
-#define AUDIO_MS_STANDARD_DESCRIPTOR_INIT(bInterfaceNumber, bNumEndpoints)                                               \
-    0x09,                            /* bLength */                                                                       \
-    USB_DESCRIPTOR_TYPE_INTERFACE,   /* bDescriptorType */                                                               \
-    bInterfaceNumber,                /* bInterfaceNumber */                                                              \
-    0x00,                            /* bAlternateSetting */                                                             \
-    bNumEndpoints,                   /* bNumEndpoints */                                                                 \
-    USB_DEVICE_CLASS_AUDIO,          /* bInterfaceClass */                                                               \
-    AUDIO_SUBCLASS_MIDISTREAMING,    /* bInterfaceSubClass */                                                            \
-    AUDIO_PROTOCOL_UNDEFINED,        /* bInterfaceProtocol */                                                            \
-    0x00                             /* iInterface */
-
-#define AUDIO_MS_STANDARD_DESCRIPTOR_INIT_LEN 0x09
-
 struct audio_v2_channel_cluster_descriptor {
     uint8_t bNrChannels;
     uint32_t bmChannelConfig;
@@ -993,7 +980,7 @@ struct audio_v2_cs_if_ac_clock_selector_descriptor {
     uint8_t iClockSelector;
 } __PACKED;
 
-#define AUDIO_SIZEOF_AC_CLOCK_SELECTOR_DESC(n) (7 + n)
+#define AUDIO_SIZEOF_AC_CLOCK_SELECTOR_DESC(bNrInPins) (7 + (bNrInPins))
 
 struct audio_v2_cs_if_ac_clock_multiplier_descriptor {
     uint8_t bLength;
@@ -1005,7 +992,7 @@ struct audio_v2_cs_if_ac_clock_multiplier_descriptor {
     uint8_t iClockMultiplier;
 } __PACKED;
 
-#define AUDIO_SIZEOF_AC_CLOCK_MULTIPLIER_DESC() (7)
+#define AUDIO_SIZEOF_AC_CLOCK_MULTIPLIER_DESC (7)
 
 struct audio_v2_cs_if_ac_input_terminal_descriptor {
     uint8_t bLength;
@@ -1049,7 +1036,7 @@ struct audio_v2_cs_if_ac_feature_unit_descriptor {
     uint8_t iFeature;
 } __PACKED;
 
-#define AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(ch) (6 + (ch + 1) * 4)
+#define AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(bNrChannels) (6 + ((bNrChannels) + 1) * 4)
 
 struct audio_v2_cs_if_as_general_descriptor {
     uint8_t bLength;
@@ -1124,7 +1111,7 @@ struct audio_v2_control_range3_param_block {
     WBVAL(wTotalLength),             /* wTotalLength */                                                                          \
     bmControls                       /* bmControls */                                                                            \
 
-#define AUDIO_V2_AC_DESCRIPTOR_INIT_LEN (0x08 + 0x09 + 0x09)
+#define AUDIO_V2_AC_DESCRIPTOR_LEN (0x08 + 0x09 + 0x09)
 
 #define AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(bClockID, bmAttributes, bmControls) \
     0x08,                            /* bLength */                               \
@@ -1262,7 +1249,7 @@ struct audio_v2_control_range3_param_block {
     0x00,                            /* wLockDelay */                                                                                                                     \
     0x00
 
-#define AUDIO_V2_AS_ALTSETTING0_DESCRIPTOR_INIT(bInterfaceNumber)                                               \
+#define AUDIO_V2_AS_ALTSETTING0_DESCRIPTOR_INIT(bInterfaceNumber)                                                        \
     0x09,                            /* bLength */                                                                       \
     USB_DESCRIPTOR_TYPE_INTERFACE,   /* bDescriptorType */                                                               \
     bInterfaceNumber,                /* bInterfaceNumber */                                                              \
@@ -1331,9 +1318,10 @@ struct audio_v2_control_range3_param_block {
 
 // clang-format on
 
-#define AUDIO_V2_AS_DESCRIPTOR_INIT_LEN            (0x09 + 0x09 + 0x10 + 0x06 + 0x07 + 0x08)
-#define AUDIO_V2_AS_ALTSETTING_DESCRIPTOR_INIT_LEN (0x09 + 0x10 + 0x06 + 0x07 + 0x08)
-#define AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_INIT_LEN   (0x09 + 0x09 + 0x10 + 0x06 + 0x07 + 0x08 + 0x07)
+#define AUDIO_V2_AS_DESCRIPTOR_LEN            (0x09 + 0x09 + 0x10 + 0x06 + 0x07 + 0x08)
+#define AUDIO_V2_AS_ALTSETTING0_DESCRIPTOR_LEN (0x09)
+#define AUDIO_V2_AS_ALTSETTING_DESCRIPTOR_LEN (0x09 + 0x10 + 0x06 + 0x07 + 0x08)
+#define AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_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_3B(frq)  (uint8_t)(frq), (uint8_t)((frq >> 8)), (uint8_t)((frq >> 16))

class/midi/usb_midi.h

@@ -6,6 +6,8 @@
 #ifndef USB_MIDI_H
 #define USB_MIDI_H
 
+#include "usb_audio.h"
+
 /* bDescriptorSubType */
 #define MIDI_VC_HEADER_DESCRIPTOR_SUBTYPE     0x01U
 #define MIDI_MS_HEADER_DESCRIPTOR_SUBTYPE     0x01U
@@ -201,6 +203,19 @@ struct midi_cs_ep_ms_general_descriptor {
 #define MIDI_SIZEOF_MS_GENERAL_DESC(n) (4 + n)
 
 // clang-format off
+#define MIDI_STANDARD_DESCRIPTOR_INIT(bInterfaceNumber, bNumEndpoints)                                               \
+    0x09,                            /* bLength */                                                                   \
+    USB_DESCRIPTOR_TYPE_INTERFACE,   /* bDescriptorType */                                                           \
+    bInterfaceNumber,                /* bInterfaceNumber */                                                          \
+    0x00,                            /* bAlternateSetting */                                                         \
+    bNumEndpoints,                   /* bNumEndpoints */                                                             \
+    USB_DEVICE_CLASS_AUDIO,          /* bInterfaceClass */                                                           \
+    AUDIO_SUBCLASS_MIDISTREAMING,    /* bInterfaceSubClass */                                                        \
+    AUDIO_PROTOCOL_UNDEFINED,        /* bInterfaceProtocol */                                                        \
+    0x00                             /* iInterface */
+
+#define MIDI_STANDARD_DESCRIPTOR_LEN 0x09
+
 #define MIDI_CS_HEADER_DESCRIPTOR_INIT(wTotalLength)                                              \
     0x07,                                             /* bLength */                               \
     USB_CS_DESCRIPTOR_TYPE_INTERFACE,                 /* bDescriptorType */                       \

demo/audio_v1_mic_multichan_template.c

@@ -24,11 +24,11 @@
 /* AUDIO Class Config */
 #define AUDIO_FREQ 16000U
 
-#define IN_CHANNEL_NUM 1
+#define IN_CHANNEL_NUM 2
 
 #if IN_CHANNEL_NUM == 1
 #define INPUT_CTRL      0x03, 0x03
-#define INPUT_CH_ENABLE 0x0000
+#define INPUT_CH_ENABLE 0x0001
 #elif IN_CHANNEL_NUM == 2
 #define INPUT_CTRL      0x03, 0x03, 0x03
 #define INPUT_CH_ENABLE 0x0003
@@ -56,12 +56,12 @@
 /* 16bit(2 Bytes) 单声道(Mono:1) */
 #define AUDIO_IN_PACKET ((uint32_t)((AUDIO_FREQ * 2 * IN_CHANNEL_NUM) / 1000))
 
-#define USB_AUDIO_CONFIG_DESC_SIZ (unsigned long)(9 +                                                    \
-                                                  AUDIO_AC_DESCRIPTOR_INIT_LEN(1) +                      \
-                                                  AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +                  \
-                                                  AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(IN_CHANNEL_NUM, 1) + \
-                                                  AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +                 \
-                                                  AUDIO_AS_DESCRIPTOR_INIT_LEN(1))
+#define USB_CONFIG_SIZE (unsigned long)(9 +                                                    \
+                                        AUDIO_AC_DESCRIPTOR_LEN(1) +                           \
+                                        AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +                  \
+                                        AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(IN_CHANNEL_NUM, 1) + \
+                                        AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +                 \
+                                        AUDIO_AS_DESCRIPTOR_LEN(1))
 
 #define AUDIO_AC_SIZ (AUDIO_SIZEOF_AC_HEADER_DESC(1) +                       \
                       AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +                  \
@@ -74,7 +74,7 @@ static const uint8_t device_descriptor[] = {
 };
 
 static const uint8_t config_descriptor[] = {
-    USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     AUDIO_AC_DESCRIPTOR_INIT(0x00, 0x02, AUDIO_AC_SIZ, 0x00, 0x01),
     AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x01, AUDIO_INTERM_MIC, IN_CHANNEL_NUM, INPUT_CH_ENABLE),
     AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_IN_FU_ID, 0x01, 0x01, INPUT_CTRL),
@@ -137,7 +137,7 @@ const struct usb_descriptor audio_v1_descriptor = {
 #else
 const uint8_t audio_v1_descriptor[] = {
     USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0xef, 0x02, 0x01, USBD_VID, USBD_PID, 0x0001, 0x01),
-    USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     AUDIO_AC_DESCRIPTOR_INIT(0x00, 0x02, AUDIO_AC_SIZ, 0x00, 0x01),
     AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x01, AUDIO_INTERM_MIC, IN_CHANNEL_NUM, INPUT_CH_ENABLE),
     AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_IN_FU_ID, 0x01, 0x01, INPUT_CTRL),

demo/audio_v1_mic_speaker_multichan_template.c

@@ -21,13 +21,69 @@
 #define FEEDBACK_ENDP_PACKET_SIZE 0x03
 #endif
 
-#define AUDIO_IN_EP  0x81
-#define AUDIO_OUT_EP 0x02
+#define AUDIO_IN_EP           0x81
+#define AUDIO_OUT_EP          0x02
 #define AUDIO_OUT_FEEDBACK_EP 0x83
 
 #define AUDIO_IN_FU_ID  0x02
 #define AUDIO_OUT_FU_ID 0x05
 
+#define IN_CHANNEL_NUM 2
+
+#if IN_CHANNEL_NUM == 1
+#define INPUT_CTRL      0x03, 0x03
+#define INPUT_CH_ENABLE 0x0001
+#elif IN_CHANNEL_NUM == 2
+#define INPUT_CTRL      0x03, 0x03, 0x03
+#define INPUT_CH_ENABLE 0x0003
+#elif IN_CHANNEL_NUM == 3
+#define INPUT_CTRL      0x03, 0x03, 0x03, 0x03
+#define INPUT_CH_ENABLE 0x0007
+#elif IN_CHANNEL_NUM == 4
+#define INPUT_CTRL      0x03, 0x03, 0x03, 0x03, 0x03
+#define INPUT_CH_ENABLE 0x000f
+#elif IN_CHANNEL_NUM == 5
+#define INPUT_CTRL      0x03, 0x03, 0x03, 0x03, 0x03, 0x03
+#define INPUT_CH_ENABLE 0x001f
+#elif IN_CHANNEL_NUM == 6
+#define INPUT_CTRL      0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03
+#define INPUT_CH_ENABLE 0x003F
+#elif IN_CHANNEL_NUM == 7
+#define INPUT_CTRL      0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03
+#define INPUT_CH_ENABLE 0x007f
+#elif IN_CHANNEL_NUM == 8
+#define INPUT_CTRL      0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03
+#define INPUT_CH_ENABLE 0x00ff
+#endif
+
+#define OUT_CHANNEL_NUM 2
+
+#if OUT_CHANNEL_NUM == 1
+#define OUTPUT_CTRL      0x03, 0x03
+#define OUTPUT_CH_ENABLE 0x0001
+#elif OUT_CHANNEL_NUM == 2
+#define OUTPUT_CTRL      0x03, 0x03, 0x03
+#define OUTPUT_CH_ENABLE 0x0003
+#elif OUT_CHANNEL_NUM == 3
+#define OUTPUT_CTRL      0x03, 0x03, 0x03, 0x03
+#define OUTPUT_CH_ENABLE 0x0007
+#elif OUT_CHANNEL_NUM == 4
+#define OUTPUT_CTRL      0x03, 0x03, 0x03, 0x03, 0x03
+#define OUTPUT_CH_ENABLE 0x000f
+#elif OUT_CHANNEL_NUM == 5
+#define OUTPUT_CTRL      0x03, 0x03, 0x03, 0x03, 0x03, 0x03
+#define OUTPUT_CH_ENABLE 0x001f
+#elif OUT_CHANNEL_NUM == 6
+#define OUTPUT_CTRL      0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03
+#define OUTPUT_CH_ENABLE 0x003F
+#elif OUT_CHANNEL_NUM == 7
+#define OUTPUT_CTRL      0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03
+#define OUTPUT_CH_ENABLE 0x007f
+#elif OUT_CHANNEL_NUM == 8
+#define OUTPUT_CTRL      0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03
+#define OUTPUT_CH_ENABLE 0x00ff
+#endif
+
 /* AUDIO Class Config */
 #define AUDIO_SPEAKER_FREQ            16000U
 #define AUDIO_SPEAKER_FRAME_SIZE_BYTE 2u
@@ -44,27 +100,27 @@
 #define AUDIO_IN_PACKET ((uint32_t)((AUDIO_MIC_FREQ * AUDIO_MIC_FRAME_SIZE_BYTE * 2) / 1000))
 
 #if USING_FEEDBACK == 0
-#define USB_AUDIO_CONFIG_DESC_SIZ (unsigned long)(9 +                                       \
-                                                  AUDIO_AC_DESCRIPTOR_INIT_LEN(2) +         \
-                                                  AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +     \
-                                                  AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2, 1) + \
-                                                  AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +    \
-                                                  AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +     \
-                                                  AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2, 1) + \
-                                                  AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +    \
-                                                  AUDIO_AS_DESCRIPTOR_INIT_LEN(1) +         \
-                                                  AUDIO_AS_DESCRIPTOR_INIT_LEN(1))
+#define USB_CONFIG_SIZE (unsigned long)(9 +                                                     \
+                                        AUDIO_AC_DESCRIPTOR_LEN(2) +                            \
+                                        AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +                   \
+                                        AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(IN_CHANNEL_NUM, 1) +  \
+                                        AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +                  \
+                                        AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +                   \
+                                        AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM, 1) + \
+                                        AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +                  \
+                                        AUDIO_AS_DESCRIPTOR_LEN(1) +                            \
+                                        AUDIO_AS_DESCRIPTOR_LEN(1))
 #else
-#define USB_AUDIO_CONFIG_DESC_SIZ (unsigned long)(9 +                                       \
-                                                  AUDIO_AC_DESCRIPTOR_INIT_LEN(2) +         \
-                                                  AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +     \
-                                                  AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2, 1) + \
-                                                  AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +    \
-                                                  AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +     \
-                                                  AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2, 1) + \
-                                                  AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +    \
-                                                  AUDIO_AS_DESCRIPTOR_INIT_LEN(1) +         \
-                                                  AUDIO_AS_FEEDBACK_DESCRIPTOR_INIT_LEN(1))
+#define USB_CONFIG_SIZE (unsigned long)(9 +                                                     \
+                                        AUDIO_AC_DESCRIPTOR_LEN(2) +                            \
+                                        AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +                   \
+                                        AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(IN_CHANNEL_NUM, 1) +  \
+                                        AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +                  \
+                                        AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +                   \
+                                        AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM, 1) + \
+                                        AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +                  \
+                                        AUDIO_AS_DESCRIPTOR_LEN(1) +                            \
+                                        AUDIO_AS_FEEDBACK_DESCRIPTOR_LEN(1))
 #endif
 
 #define AUDIO_AC_SIZ (AUDIO_SIZEOF_AC_HEADER_DESC(2) +          \
@@ -81,23 +137,23 @@ static const uint8_t device_descriptor[] = {
 };
 
 static const uint8_t config_descriptor[] = {
-    USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x03, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x03, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     AUDIO_AC_DESCRIPTOR_INIT(0x00, 0x03, AUDIO_AC_SIZ, 0x00, 0x01, 0x02),
-    AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x01, AUDIO_INTERM_MIC, 0x02, 0x0003),
-    AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x02, 0x01, 0x01, 0x03, 0x00, 0x00),
-    AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x03, AUDIO_TERMINAL_STREAMING, 0x02),
-    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_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x06, AUDIO_OUTTERM_SPEAKER, 0x05),
+    AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x01, AUDIO_INTERM_MIC, IN_CHANNEL_NUM, INPUT_CH_ENABLE),
+    AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_IN_FU_ID, 0x01, 0x01, INPUT_CTRL),
+    AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x03, AUDIO_TERMINAL_STREAMING, AUDIO_IN_FU_ID),
+    AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_TERMINAL_STREAMING, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE),
+    AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_OUT_FU_ID, 0x04, 0x01, OUTPUT_CTRL),
+    AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x06, AUDIO_OUTTERM_SPEAKER, AUDIO_OUT_FU_ID),
+    AUDIO_AS_DESCRIPTOR_INIT(0x01, 0x03, IN_CHANNEL_NUM, 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)),
 #if USING_FEEDBACK == 0
-    AUDIO_AS_DESCRIPTOR_INIT(0x01, 0x04, 0x02, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, 0x09, AUDIO_OUT_PACKET,
+    AUDIO_AS_DESCRIPTOR_INIT(0x02, 0x04, OUT_CHANNEL_NUM, 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)),
 #else
-    AUDIO_AS_FEEDBACK_DESCRIPTOR_INIT(0x01, 0x04, 0x02, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, AUDIO_OUT_PACKET,
-                             EP_INTERVAL, AUDIO_OUT_FEEDBACK_EP, AUDIO_SAMPLE_FREQ_3B(AUDIO_SPEAKER_FREQ)),
+    AUDIO_AS_FEEDBACK_DESCRIPTOR_INIT(0x02, 0x04, OUT_CHANNEL_NUM, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, AUDIO_OUT_PACKET,
+                                      EP_INTERVAL, AUDIO_OUT_FEEDBACK_EP, AUDIO_SAMPLE_FREQ_3B(AUDIO_SPEAKER_FREQ)),
 #endif
-    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))
 };
 
 static const uint8_t device_quality_descriptor[] = {
@@ -155,23 +211,23 @@ const struct usb_descriptor audio_v1_descriptor = {
 #else
 const uint8_t audio_v1_descriptor[] = {
     USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0xef, 0x02, 0x01, USBD_VID, USBD_PID, 0x0001, 0x01),
-    USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x03, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x03, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     AUDIO_AC_DESCRIPTOR_INIT(0x00, 0x03, AUDIO_AC_SIZ, 0x00, 0x01, 0x02),
-    AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x01, AUDIO_INTERM_MIC, 0x02, 0x0003),
-    AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x02, 0x01, 0x01, 0x03, 0x00, 0x00),
-    AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x03, AUDIO_TERMINAL_STREAMING, 0x02),
-    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_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x06, AUDIO_OUTTERM_SPEAKER, 0x05),
+    AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x01, AUDIO_INTERM_MIC, IN_CHANNEL_NUM, INPUT_CH_ENABLE),
+    AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_IN_FU_ID, 0x01, 0x01, INPUT_CTRL),
+    AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x03, AUDIO_TERMINAL_STREAMING, AUDIO_IN_FU_ID),
+    AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_TERMINAL_STREAMING, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE),
+    AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_OUT_FU_ID, 0x04, 0x01, OUTPUT_CTRL),
+    AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x06, AUDIO_OUTTERM_SPEAKER, AUDIO_OUT_FU_ID),
+    AUDIO_AS_DESCRIPTOR_INIT(0x01, 0x03, IN_CHANNEL_NUM, 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)),
 #if USING_FEEDBACK == 0
-    AUDIO_AS_DESCRIPTOR_INIT(0x01, 0x04, 0x02, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, 0x09, AUDIO_OUT_PACKET,
+    AUDIO_AS_DESCRIPTOR_INIT(0x02, 0x04, OUT_CHANNEL_NUM, 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)),
 #else
-    AUDIO_AS_FEEDBACK_DESCRIPTOR_INIT(0x01, 0x04, 0x02, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, AUDIO_OUT_PACKET,
-                             EP_INTERVAL, AUDIO_OUT_FEEDBACK_EP, AUDIO_SAMPLE_FREQ_3B(AUDIO_SPEAKER_FREQ)),
+    AUDIO_AS_FEEDBACK_DESCRIPTOR_INIT(0x02, 0x04, OUT_CHANNEL_NUM, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, AUDIO_OUT_PACKET,
+                                      EP_INTERVAL, AUDIO_OUT_FEEDBACK_EP, AUDIO_SAMPLE_FREQ_3B(AUDIO_SPEAKER_FREQ)),
 #endif
-    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)),
     ///////////////////////////////////////
     /// string0 descriptor
     ///////////////////////////////////////
@@ -230,7 +286,7 @@ const uint8_t audio_v1_descriptor[] = {
 #if USING_FEEDBACK == 0
     '1', 0x00,                  /* wcChar9 */
 #else
-    '2', 0x00,                  /* wcChar9 */
+    '2', 0x00, /* wcChar9 */
 #endif
 #ifdef CONFIG_USB_HS
     ///////////////////////////////////////

demo/audio_v2_mic_multichan_template.c

@@ -22,17 +22,17 @@
 #define AUDIO_IN_CLOCK_ID 0x01
 #define AUDIO_IN_FU_ID    0x03
 
-#define AUDIO_IN_MAX_FREQ 96000
-#define HALF_WORD_BYTES   2  //2 half word (one channel)
-#define SAMPLE_BITS       16 //16 bit per channel
+#define AUDIO_IN_MAX_FREQ         96000
+#define AUDIO_MIC_FRAME_SIZE_BYTE 2u
+#define AUDIO_MIC_RESOLUTION_BIT  16u
 
-#define BMCONTROL (AUDIO_V2_FU_CONTROL_MUTE | AUDIO_V2_FU_CONTROL_VOLUME)
+#define BMCONTROL (AUDIO_V2_CONTROL_MUTE | AUDIO_V2_CONTROL_VOLUME)
 
 #define IN_CHANNEL_NUM 2
 
 #if IN_CHANNEL_NUM == 1
 #define INPUT_CTRL      DBVAL(BMCONTROL), DBVAL(BMCONTROL)
-#define INPUT_CH_ENABLE 0x00000000
+#define INPUT_CH_ENABLE 0x00000001
 #elif IN_CHANNEL_NUM == 2
 #define INPUT_CTRL      DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL)
 #define INPUT_CH_ENABLE 0x00000003
@@ -56,15 +56,15 @@
 #define INPUT_CH_ENABLE 0x000000ff
 #endif
 
-#define AUDIO_IN_PACKET ((uint32_t)((AUDIO_IN_MAX_FREQ * HALF_WORD_BYTES * IN_CHANNEL_NUM) / 1000))
+#define AUDIO_IN_PACKET ((uint32_t)((AUDIO_IN_MAX_FREQ * AUDIO_MIC_FRAME_SIZE_BYTE * IN_CHANNEL_NUM) / 1000))
 
-#define USB_AUDIO_CONFIG_DESC_SIZ (9 +                                                    \
-                                   AUDIO_V2_AC_DESCRIPTOR_INIT_LEN +                      \
-                                   AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                 \
-                                   AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +               \
-                                   AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(IN_CHANNEL_NUM) + \
-                                   AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +              \
-                                   AUDIO_V2_AS_DESCRIPTOR_INIT_LEN)
+#define USB_CONFIG_SIZE (9 +                                                    \
+                         AUDIO_V2_AC_DESCRIPTOR_LEN +                           \
+                         AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                 \
+                         AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +               \
+                         AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(IN_CHANNEL_NUM) + \
+                         AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +              \
+                         AUDIO_V2_AS_DESCRIPTOR_LEN)
 
 #define AUDIO_AC_SIZ (AUDIO_V2_SIZEOF_AC_HEADER_DESC +                       \
                       AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                 \
@@ -78,13 +78,13 @@ static const uint8_t device_descriptor[] = {
 };
 
 static const uint8_t config_descriptor[] = {
-    USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     AUDIO_V2_AC_DESCRIPTOR_INIT(0x00, 0x02, AUDIO_AC_SIZ, AUDIO_CATEGORY_MICROPHONE, 0x00, 0x00),
-    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(0x01, 0x03, 0x03),
-    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_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, 0x05, (AUDIO_IN_PACKET + 4), EP_INTERVAL)
+    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(AUDIO_IN_CLOCK_ID, 0x03, 0x03),
+    AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x02, AUDIO_INTERM_MIC, AUDIO_IN_CLOCK_ID, IN_CHANNEL_NUM, INPUT_CH_ENABLE, 0x0000),
+    AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_IN_FU_ID, 0x02, INPUT_CTRL),
+    AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_TERMINAL_STREAMING, AUDIO_IN_FU_ID, AUDIO_IN_CLOCK_ID, 0x0000),
+    AUDIO_V2_AS_DESCRIPTOR_INIT(0x01, 0x04, IN_CHANNEL_NUM, INPUT_CH_ENABLE, AUDIO_MIC_FRAME_SIZE_BYTE, AUDIO_MIC_RESOLUTION_BIT, AUDIO_IN_EP, 0x05, (AUDIO_IN_PACKET + 4), EP_INTERVAL)
 };
 
 static const uint8_t device_quality_descriptor[] = {
@@ -142,13 +142,13 @@ const struct usb_descriptor audio_v2_descriptor = {
 #else
 const uint8_t audio_v2_descriptor[] = {
     USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0001, 0x01),
-    USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     AUDIO_V2_AC_DESCRIPTOR_INIT(0x00, 0x02, AUDIO_AC_SIZ, AUDIO_CATEGORY_MICROPHONE, 0x00, 0x00),
-    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(0x01, 0x03, 0x03),
-    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_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, 0x05, (AUDIO_IN_PACKET + 4), EP_INTERVAL),
+    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(AUDIO_IN_CLOCK_ID, 0x03, 0x03),
+    AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x02, AUDIO_INTERM_MIC, AUDIO_IN_CLOCK_ID, IN_CHANNEL_NUM, INPUT_CH_ENABLE, 0x0000),
+    AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_IN_FU_ID, 0x02, INPUT_CTRL),
+    AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_TERMINAL_STREAMING, AUDIO_IN_FU_ID, AUDIO_IN_CLOCK_ID, 0x0000),
+    AUDIO_V2_AS_DESCRIPTOR_INIT(0x01, 0x04, IN_CHANNEL_NUM, INPUT_CH_ENABLE, AUDIO_MIC_FRAME_SIZE_BYTE, AUDIO_MIC_RESOLUTION_BIT, AUDIO_IN_EP, 0x05, (AUDIO_IN_PACKET + 4), EP_INTERVAL),
     ///////////////////////////////////////
     /// string0 descriptor
     ///////////////////////////////////////

demo/audio_v2_mic_speaker_multichan_template.c

@@ -30,19 +30,21 @@
 #define AUDIO_IN_CLOCK_ID  0x05
 #define AUDIO_IN_FU_ID     0x07
 
-#define AUDIO_OUT_MAX_FREQ 96000
-#define AUDIO_IN_MAX_FREQ  96000
+#define AUDIO_OUT_MAX_FREQ            96000
+#define AUDIO_SPEAKER_FRAME_SIZE_BYTE 2u
+#define AUDIO_SPEAKER_RESOLUTION_BIT  16u
 
-#define HALF_WORD_BYTES 2  //2 half word (one channel)
-#define SAMPLE_BITS     16 //16 bit per channel
+#define AUDIO_IN_MAX_FREQ         96000
+#define AUDIO_MIC_FRAME_SIZE_BYTE 2u
+#define AUDIO_MIC_RESOLUTION_BIT  16u
 
-#define BMCONTROL (AUDIO_V2_FU_CONTROL_MUTE | AUDIO_V2_FU_CONTROL_VOLUME)
+#define BMCONTROL (AUDIO_V2_CONTROL_MUTE | AUDIO_V2_CONTROL_VOLUME)
 
 #define IN_CHANNEL_NUM 2
 
 #if IN_CHANNEL_NUM == 1
 #define INPUT_CTRL      DBVAL(BMCONTROL), DBVAL(BMCONTROL)
-#define INPUT_CH_ENABLE 0x00000000
+#define INPUT_CH_ENABLE 0x00000001
 #elif IN_CHANNEL_NUM == 2
 #define INPUT_CTRL      DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL)
 #define INPUT_CH_ENABLE 0x00000003
@@ -70,7 +72,7 @@
 
 #if OUT_CHANNEL_NUM == 1
 #define OUTPUT_CTRL      DBVAL(BMCONTROL), DBVAL(BMCONTROL)
-#define OUTPUT_CH_ENABLE 0x00000000
+#define OUTPUT_CH_ENABLE 0x00000001
 #elif OUT_CHANNEL_NUM == 2
 #define OUTPUT_CTRL      DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL)
 #define OUTPUT_CH_ENABLE 0x00000003
@@ -95,35 +97,35 @@
 #endif
 
 /* AudioFreq * DataSize (2 bytes) * NumChannels */
-#define AUDIO_OUT_PACKET ((uint32_t)((AUDIO_OUT_MAX_FREQ * HALF_WORD_BYTES * OUT_CHANNEL_NUM) / 1000))
-#define AUDIO_IN_PACKET  ((uint32_t)((AUDIO_IN_MAX_FREQ * HALF_WORD_BYTES * IN_CHANNEL_NUM) / 1000))
+#define AUDIO_OUT_PACKET ((uint32_t)((AUDIO_OUT_MAX_FREQ * AUDIO_SPEAKER_FRAME_SIZE_BYTE * OUT_CHANNEL_NUM) / 1000))
+#define AUDIO_IN_PACKET  ((uint32_t)((AUDIO_IN_MAX_FREQ * AUDIO_MIC_FRAME_SIZE_BYTE * IN_CHANNEL_NUM) / 1000))
 
 #if USING_FEEDBACK == 0
-#define USB_AUDIO_CONFIG_DESC_SIZ (9 +                                                     \
-                                   AUDIO_V2_AC_DESCRIPTOR_INIT_LEN +                       \
-                                   AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
-                                   AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
-                                   AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM) + \
-                                   AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
-                                   AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
-                                   AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
-                                   AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(IN_CHANNEL_NUM) +  \
-                                   AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
-                                   AUDIO_V2_AS_DESCRIPTOR_INIT_LEN +                       \
-                                   AUDIO_V2_AS_DESCRIPTOR_INIT_LEN)
+#define USB_CONFIG_SIZE (9 +                                                     \
+                         AUDIO_V2_AC_DESCRIPTOR_LEN +                            \
+                         AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
+                         AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
+                         AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM) + \
+                         AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
+                         AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
+                         AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
+                         AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(IN_CHANNEL_NUM) +  \
+                         AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
+                         AUDIO_V2_AS_DESCRIPTOR_LEN +                            \
+                         AUDIO_V2_AS_DESCRIPTOR_LEN)
 #else
-#define USB_AUDIO_CONFIG_DESC_SIZ (9 +                                                     \
-                                   AUDIO_V2_AC_DESCRIPTOR_INIT_LEN +                       \
-                                   AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
-                                   AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
-                                   AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM) + \
-                                   AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
-                                   AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
-                                   AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
-                                   AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(IN_CHANNEL_NUM) +  \
-                                   AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
-                                   AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_INIT_LEN +              \
-                                   AUDIO_V2_AS_DESCRIPTOR_INIT_LEN)
+#define USB_CONFIG_SIZE (9 +                                                     \
+                         AUDIO_V2_AC_DESCRIPTOR_LEN +                            \
+                         AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
+                         AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
+                         AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM) + \
+                         AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
+                         AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
+                         AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
+                         AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(IN_CHANNEL_NUM) +  \
+                         AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
+                         AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_LEN +                   \
+                         AUDIO_V2_AS_DESCRIPTOR_LEN)
 #endif
 
 #define AUDIO_AC_SIZ (AUDIO_V2_SIZEOF_AC_HEADER_DESC +                        \
@@ -142,22 +144,22 @@ static const uint8_t device_descriptor[] = {
 };
 
 static const uint8_t config_descriptor[] = {
-    USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x03, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x03, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     AUDIO_V2_AC_DESCRIPTOR_INIT(0x00, 0x03, AUDIO_AC_SIZ, AUDIO_CATEGORY_UNDEF, 0x00, 0x00),
-    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(0x01, 0x03, 0x03),
-    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_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_OUTTERM_SPEAKER, 0x03, 0x01, 0x0000),
-    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(0x05, 0x03, 0x03),
-    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_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x08, AUDIO_TERMINAL_STREAMING, 0x07, 0x05, 0x0000),
+    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(AUDIO_OUT_CLOCK_ID, 0x03, 0x03),
+    AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x02, AUDIO_TERMINAL_STREAMING, AUDIO_OUT_CLOCK_ID, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, 0x0000),
+    AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_OUT_FU_ID, 0x02, OUTPUT_CTRL),
+    AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_OUTTERM_SPEAKER, AUDIO_OUT_FU_ID, AUDIO_OUT_CLOCK_ID, 0x0000),
+    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(AUDIO_IN_CLOCK_ID, 0x03, 0x03),
+    AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x06, AUDIO_INTERM_MIC, AUDIO_IN_CLOCK_ID, IN_CHANNEL_NUM, INPUT_CH_ENABLE, 0x0000),
+    AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_IN_FU_ID, 0x06, INPUT_CTRL),
+    AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x08, AUDIO_TERMINAL_STREAMING, AUDIO_IN_FU_ID, AUDIO_IN_CLOCK_ID, 0x0000),
 #if USING_FEEDBACK == 0
-    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(0x01, 0x02, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, 0x09, AUDIO_OUT_PACKET, EP_INTERVAL),
 #else
-    AUDIO_V2_AS_FEEDBACK_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_OUT_FEEDBACK_EP),
+    AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_INIT(0x01, 0x02, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, 0x09, AUDIO_OUT_PACKET, EP_INTERVAL, AUDIO_OUT_FEEDBACK_EP),
 #endif
-    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)
+    AUDIO_V2_AS_DESCRIPTOR_INIT(0x02, 0x08, IN_CHANNEL_NUM, INPUT_CH_ENABLE, AUDIO_MIC_FRAME_SIZE_BYTE, AUDIO_MIC_RESOLUTION_BIT, AUDIO_IN_EP, 0x05, (AUDIO_IN_PACKET + 4), EP_INTERVAL)
 };
 
 static const uint8_t device_quality_descriptor[] = {
@@ -215,22 +217,22 @@ const struct usb_descriptor audio_v2_descriptor = {
 #else
 uint8_t audio_v2_descriptor[] = {
     USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0001, 0x01),
-    USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x03, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x03, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     AUDIO_V2_AC_DESCRIPTOR_INIT(0x00, 0x03, AUDIO_AC_SIZ, AUDIO_CATEGORY_UNDEF, 0x00, 0x00),
-    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(0x01, 0x03, 0x03),
-    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_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_OUTTERM_SPEAKER, 0x03, 0x01, 0x0000),
-    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(0x05, 0x03, 0x03),
-    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_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x08, AUDIO_TERMINAL_STREAMING, 0x07, 0x05, 0x0000),
+    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(AUDIO_OUT_CLOCK_ID, 0x03, 0x03),
+    AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x02, AUDIO_TERMINAL_STREAMING, AUDIO_OUT_CLOCK_ID, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, 0x0000),
+    AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_OUT_FU_ID, 0x02, OUTPUT_CTRL),
+    AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_OUTTERM_SPEAKER, AUDIO_OUT_FU_ID, AUDIO_OUT_CLOCK_ID, 0x0000),
+    AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(AUDIO_IN_CLOCK_ID, 0x03, 0x03),
+    AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x06, AUDIO_INTERM_MIC, AUDIO_IN_CLOCK_ID, IN_CHANNEL_NUM, INPUT_CH_ENABLE, 0x0000),
+    AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_IN_FU_ID, 0x06, INPUT_CTRL),
+    AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x08, AUDIO_TERMINAL_STREAMING, AUDIO_IN_FU_ID, AUDIO_IN_CLOCK_ID, 0x0000),
 #if USING_FEEDBACK == 0
-    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(0x01, 0x02, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, 0x09, AUDIO_OUT_PACKET, EP_INTERVAL),
 #else
-    AUDIO_V2_AS_FEEDBACK_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_OUT_FEEDBACK_EP),
+    AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_INIT(0x01, 0x02, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, 0x09, AUDIO_OUT_PACKET, EP_INTERVAL, AUDIO_OUT_FEEDBACK_EP),
 #endif
-    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),
+    AUDIO_V2_AS_DESCRIPTOR_INIT(0x02, 0x08, IN_CHANNEL_NUM, INPUT_CH_ENABLE, AUDIO_MIC_FRAME_SIZE_BYTE, AUDIO_MIC_RESOLUTION_BIT, AUDIO_IN_EP, 0x05, (AUDIO_IN_PACKET + 4), EP_INTERVAL),
     ///////////////////////////////////////
     /// string0 descriptor
     ///////////////////////////////////////

demo/audio_v2_speaker_multichan_template.c

@@ -31,13 +31,13 @@
 #define HALF_WORD_BYTES    2  //2 half word (one channel)
 #define SAMPLE_BITS        16 //16 bit per channel
 
-#define BMCONTROL (AUDIO_V2_FU_CONTROL_MUTE | AUDIO_V2_FU_CONTROL_VOLUME)
+#define BMCONTROL (AUDIO_V2_CONTROL_MUTE | AUDIO_V2_CONTROL_VOLUME)
 
 #define OUT_CHANNEL_NUM 2
 
 #if OUT_CHANNEL_NUM == 1
 #define OUTPUT_CTRL      DBVAL(BMCONTROL), DBVAL(BMCONTROL)
-#define OUTPUT_CH_ENABLE 0x00000000
+#define OUTPUT_CH_ENABLE 0x00000001
 #elif OUT_CHANNEL_NUM == 2
 #define OUTPUT_CTRL      DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL)
 #define OUTPUT_CH_ENABLE 0x00000003
@@ -64,21 +64,21 @@
 #define AUDIO_OUT_PACKET ((uint32_t)((AUDIO_OUT_MAX_FREQ * HALF_WORD_BYTES * OUT_CHANNEL_NUM) / 1000))
 
 #if USING_FEEDBACK == 0
-#define USB_AUDIO_CONFIG_DESC_SIZ (9 +                                                     \
-                                   AUDIO_V2_AC_DESCRIPTOR_INIT_LEN +                       \
-                                   AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
-                                   AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
-                                   AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM) + \
-                                   AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
-                                   AUDIO_V2_AS_DESCRIPTOR_INIT_LEN)
+#define USB_CONFIG_SIZE (9 +                                                     \
+                         AUDIO_V2_AC_DESCRIPTOR_LEN +                            \
+                         AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
+                         AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
+                         AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM) + \
+                         AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
+                         AUDIO_V2_AS_DESCRIPTOR_LEN)
 #else
-#define USB_AUDIO_CONFIG_DESC_SIZ (9 +                                                     \
-                                   AUDIO_V2_AC_DESCRIPTOR_INIT_LEN +                       \
-                                   AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
-                                   AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
-                                   AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM) + \
-                                   AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
-                                   AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_INIT_LEN)
+#define USB_CONFIG_SIZE (9 +                                                     \
+                         AUDIO_V2_AC_DESCRIPTOR_LEN +                            \
+                         AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC +                  \
+                         AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC +                \
+                         AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM) + \
+                         AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC +               \
+                         AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_LEN)
 #endif
 
 #define AUDIO_AC_SIZ (AUDIO_V2_SIZEOF_AC_HEADER_DESC +                        \
@@ -93,12 +93,12 @@ static const uint8_t device_descriptor[] = {
 };
 
 static const uint8_t config_descriptor[] = {
-    USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     AUDIO_V2_AC_DESCRIPTOR_INIT(0x00, 0x02, AUDIO_AC_SIZ, AUDIO_CATEGORY_SPEAKER, 0x00, 0x00),
     AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(AUDIO_OUT_CLOCK_ID, 0x03, 0x03),
-    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, AUDIO_OUT_CLOCK_ID, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, 0x0000),
     AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_OUT_FU_ID, 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, AUDIO_OUT_FU_ID, AUDIO_OUT_CLOCK_ID, 0x0000),
 #if USING_FEEDBACK == 0
     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),
 #else
@@ -161,12 +161,12 @@ const struct usb_descriptor audio_v2_descriptor = {
 #else
 const uint8_t audio_v2_descriptor[] = {
     USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0001, 0x01),
-    USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     AUDIO_V2_AC_DESCRIPTOR_INIT(0x00, 0x02, AUDIO_AC_SIZ, AUDIO_CATEGORY_SPEAKER, 0x00, 0x00),
     AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(AUDIO_OUT_CLOCK_ID, 0x03, 0x03),
-    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, AUDIO_OUT_CLOCK_ID, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, 0x0000),
     AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_OUT_FU_ID, 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, AUDIO_OUT_FU_ID, AUDIO_OUT_CLOCK_ID, 0x0000),
 #if USING_FEEDBACK == 0
     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),
 #else

demo/cdc_acm_hid_msc_template.c

@@ -52,37 +52,7 @@ static const uint8_t config_descriptor[] = {
     USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x04, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     CDC_ACM_DESCRIPTOR_INIT(0x00, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP, CDC_MAX_MPS, 0x02),
     MSC_DESCRIPTOR_INIT(0x02, MSC_OUT_EP, MSC_IN_EP, MSC_MAX_MPS, 0x02),
-    /************** Descriptor of Joystick Mouse interface ****************/
-    /* 09 */
-    0x09,                          /* bLength: Interface Descriptor size */
-    USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
-    0x03,                          /* bInterfaceNumber: Number of Interface */
-    0x00,                          /* bAlternateSetting: Alternate setting */
-    0x01,                          /* bNumEndpoints */
-    0x03,                          /* bInterfaceClass: HID */
-    0x01,                          /* bInterfaceSubClass : 1=BOOT, 0=no boot */
-    0x02,                          /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
-    0,                             /* iInterface: Index of string descriptor */
-    /******************** Descriptor of Joystick Mouse HID ********************/
-    /* 18 */
-    0x09,                    /* bLength: HID Descriptor size */
-    HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */
-    0x11,                    /* bcdHID: HID Class Spec release number */
-    0x01,
-    0x00,                       /* bCountryCode: Hardware target country */
-    0x01,                       /* bNumDescriptors: Number of HID class descriptors to follow */
-    0x22,                       /* bDescriptorType */
-    HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
-    0x00,
-    /******************** Descriptor of Mouse endpoint ********************/
-    /* 27 */
-    0x07,                         /* bLength: Endpoint Descriptor size */
-    USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: */
-    HID_INT_EP,                   /* bEndpointAddress: Endpoint Address (IN) */
-    0x03,                         /* bmAttributes: Interrupt endpoint */
-    HID_INT_EP_SIZE,              /* wMaxPacketSize: 4 Byte max */
-    0x00,
-    HID_INT_EP_INTERVAL, /* bInterval: Polling Interval */
+    HID_MOUSE_DESCRIPTOR_INIT(0x03, 0x01, HID_MOUSE_REPORT_DESC_SIZE, HID_INT_EP, HID_INT_EP_SIZE, HID_INT_EP_INTERVAL),
 };
 
 static const uint8_t device_quality_descriptor[] = {
@@ -143,37 +113,7 @@ const uint8_t cdc_acm_hid_msc_descriptor[] = {
     USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x04, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     CDC_ACM_DESCRIPTOR_INIT(0x00, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP, CDC_MAX_MPS, 0x02),
     MSC_DESCRIPTOR_INIT(0x02, MSC_OUT_EP, MSC_IN_EP, MSC_MAX_MPS, 0x02),
-    /************** Descriptor of Joystick Mouse interface ****************/
-    /* 09 */
-    0x09,                          /* bLength: Interface Descriptor size */
-    USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
-    0x03,                          /* bInterfaceNumber: Number of Interface */
-    0x00,                          /* bAlternateSetting: Alternate setting */
-    0x01,                          /* bNumEndpoints */
-    0x03,                          /* bInterfaceClass: HID */
-    0x01,                          /* bInterfaceSubClass : 1=BOOT, 0=no boot */
-    0x02,                          /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
-    0,                             /* iInterface: Index of string descriptor */
-    /******************** Descriptor of Joystick Mouse HID ********************/
-    /* 18 */
-    0x09,                    /* bLength: HID Descriptor size */
-    HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */
-    0x11,                    /* bcdHID: HID Class Spec release number */
-    0x01,
-    0x00,                       /* bCountryCode: Hardware target country */
-    0x01,                       /* bNumDescriptors: Number of HID class descriptors to follow */
-    0x22,                       /* bDescriptorType */
-    HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
-    0x00,
-    /******************** Descriptor of Mouse endpoint ********************/
-    /* 27 */
-    0x07,                         /* bLength: Endpoint Descriptor size */
-    USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: */
-    HID_INT_EP,                   /* bEndpointAddress: Endpoint Address (IN) */
-    0x03,                         /* bmAttributes: Interrupt endpoint */
-    HID_INT_EP_SIZE,              /* wMaxPacketSize: 4 Byte max */
-    0x00,
-    HID_INT_EP_INTERVAL, /* bInterval: Polling Interval */
+    HID_MOUSE_DESCRIPTOR_INIT(0x03, 0x01, HID_MOUSE_REPORT_DESC_SIZE, HID_INT_EP, HID_INT_EP_SIZE, HID_INT_EP_INTERVAL),
     ///////////////////////////////////////
     /// string0 descriptor
     ///////////////////////////////////////

demo/hid_remote_wakeup_template.c

@@ -17,7 +17,7 @@
 #define USBD_LANGID_STRING 1033
 
 /*!< config descriptor size */
-#define USB_HID_CONFIG_DESC_SIZ 34
+#define USB_CONFIG_SIZE 34
 /*!< report descriptor size */
 #define HID_MOUSE_REPORT_DESC_SIZE 74
 
@@ -27,40 +27,8 @@ static const uint8_t device_descriptor[] = {
 };
 
 static const uint8_t config_descriptor[] = {
-    USB_CONFIG_DESCRIPTOR_INIT(USB_HID_CONFIG_DESC_SIZ, 0x01, 0x01, USB_CONFIG_REMOTE_WAKEUP | USB_CONFIG_SELF_POWERED, USBD_MAX_POWER),
-
-    /************** Descriptor of Joystick Mouse interface ****************/
-    /* 09 */
-    0x09,                          /* bLength: Interface Descriptor size */
-    USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
-    0x00,                          /* bInterfaceNumber: Number of Interface */
-    0x00,                          /* bAlternateSetting: Alternate setting */
-    0x01,                          /* bNumEndpoints */
-    0x03,                          /* bInterfaceClass: HID */
-    0x01,                          /* bInterfaceSubClass : 1=BOOT, 0=no boot */
-    0x02,                          /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
-    0,                             /* iInterface: Index of string descriptor */
-    /******************** Descriptor of Joystick Mouse HID ********************/
-    /* 18 */
-    0x09,                    /* bLength: HID Descriptor size */
-    HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */
-    0x11,                    /* bcdHID: HID Class Spec release number */
-    0x01,
-    0x00,                       /* bCountryCode: Hardware target country */
-    0x01,                       /* bNumDescriptors: Number of HID class descriptors to follow */
-    0x22,                       /* bDescriptorType */
-    HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
-    0x00,
-    /******************** Descriptor of Mouse endpoint ********************/
-    /* 27 */
-    0x07,                         /* bLength: Endpoint Descriptor size */
-    USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: */
-    HID_INT_EP,                   /* bEndpointAddress: Endpoint Address (IN) */
-    0x03,                         /* bmAttributes: Interrupt endpoint */
-    HID_INT_EP_SIZE,              /* wMaxPacketSize: 4 Byte max */
-    0x00,
-    HID_INT_EP_INTERVAL, /* bInterval: Polling Interval */
-    /* 34 */
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_REMOTE_WAKEUP | USB_CONFIG_SELF_POWERED, USBD_MAX_POWER),
+    HID_MOUSE_DESCRIPTOR_INIT(0x00, 0x01, HID_MOUSE_REPORT_DESC_SIZE, HID_INT_EP, HID_INT_EP_SIZE, HID_INT_EP_INTERVAL),
 };
 
 static const uint8_t device_quality_descriptor[] = {
@@ -119,40 +87,8 @@ const struct usb_descriptor hid_descriptor = {
 /*!< global descriptor */
 const uint8_t hid_descriptor[] = {
     USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0002, 0x01),
-    USB_CONFIG_DESCRIPTOR_INIT(USB_HID_CONFIG_DESC_SIZ, 0x01, 0x01, USB_CONFIG_REMOTE_WAKEUP | USB_CONFIG_SELF_POWERED, USBD_MAX_POWER),
-
-    /************** Descriptor of Joystick Mouse interface ****************/
-    /* 09 */
-    0x09,                          /* bLength: Interface Descriptor size */
-    USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
-    0x00,                          /* bInterfaceNumber: Number of Interface */
-    0x00,                          /* bAlternateSetting: Alternate setting */
-    0x01,                          /* bNumEndpoints */
-    0x03,                          /* bInterfaceClass: HID */
-    0x01,                          /* bInterfaceSubClass : 1=BOOT, 0=no boot */
-    0x02,                          /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
-    0,                             /* iInterface: Index of string descriptor */
-    /******************** Descriptor of Joystick Mouse HID ********************/
-    /* 18 */
-    0x09,                    /* bLength: HID Descriptor size */
-    HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */
-    0x11,                    /* bcdHID: HID Class Spec release number */
-    0x01,
-    0x00,                       /* bCountryCode: Hardware target country */
-    0x01,                       /* bNumDescriptors: Number of HID class descriptors to follow */
-    0x22,                       /* bDescriptorType */
-    HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
-    0x00,
-    /******************** Descriptor of Mouse endpoint ********************/
-    /* 27 */
-    0x07,                         /* bLength: Endpoint Descriptor size */
-    USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: */
-    HID_INT_EP,                   /* bEndpointAddress: Endpoint Address (IN) */
-    0x03,                         /* bmAttributes: Interrupt endpoint */
-    HID_INT_EP_SIZE,              /* wMaxPacketSize: 4 Byte max */
-    0x00,
-    HID_INT_EP_INTERVAL, /* bInterval: Polling Interval */
-    /* 34 */
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_REMOTE_WAKEUP | USB_CONFIG_SELF_POWERED, USBD_MAX_POWER),
+    HID_MOUSE_DESCRIPTOR_INIT(0x00, 0x01, HID_MOUSE_REPORT_DESC_SIZE, HID_INT_EP, HID_INT_EP_SIZE, HID_INT_EP_INTERVAL),
     ///////////////////////////////////////
     /// string0 descriptor
     ///////////////////////////////////////

demo/midi_template.c

@@ -14,7 +14,13 @@
 #define USBD_MAX_POWER     100
 #define USBD_LANGID_STRING 1033
 
-#define USB_CONFIG_SIZE (9 + 9 + 9 + 9 + 7 + MIDI_SIZEOF_JACK_DESC + 9 + 5 + 9 + 5)
+#define AUDIO_AC_SIZ AUDIO_SIZEOF_AC_HEADER_DESC(1)
+#define AUDIO_MS_SIZ (7 + MIDI_SIZEOF_JACK_DESC + 9 + 5 + 9 + 5)
+
+#define USB_CONFIG_SIZE (unsigned long)(9 +                            \
+                                        AUDIO_AC_DESCRIPTOR_LEN(1) +   \
+                                        MIDI_STANDARD_DESCRIPTOR_LEN + \
+                                        AUDIO_MS_SIZ)
 
 #ifdef CONFIG_USB_HS
 #define MIDI_EP_MPS 512
@@ -29,48 +35,9 @@ static const uint8_t device_descriptor[] = {
 
 static const uint8_t config_descriptor[] = {
     USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
-    // Standard AC Interface Descriptor
-    0x09,
-    0x04,
-    0x00,
-    0x00,
-    0x00,
-    0x01,
-    0x01,
-    0x00,
-    0x00,
-    // Class-specific AC Interface Descriptor
-    0x09,
-    0x24,
-    0x01,
-    0x00,
-    0x01,
-    0x09,
-    0x00,
-    0x01,
-    0x01,
-    // MIDIStreaming Interface Descriptors
-    0x09,
-    0x04,
-    0x01,
-    0x00,
-    0x02,
-    0x01,
-    0x03,
-    0x00,
-    0x00,
-    // Class-Specific MS Interface Header Descriptor
-    0x07,
-    0x24,
-    0x01,
-    0x00,
-    0x01,
-    WBVAL(65),
-
-    // MIDI_IN_JACK_DESCRIPTOR_INIT(MIDI_JACK_TYPE_EMBEDDED, 0x01),
-    // MIDI_IN_JACK_DESCRIPTOR_INIT(MIDI_JACK_TYPE_EXTERNAL, 0x02),
-    // MIDI_OUT_JACK_DESCRIPTOR_INIT(MIDI_JACK_TYPE_EMBEDDED, 0x03, 0x02),
-    // MIDI_OUT_JACK_DESCRIPTOR_INIT(MIDI_JACK_TYPE_EXTERNAL, 0x04, 0x01),
+    AUDIO_AC_DESCRIPTOR_INIT(0x00, 0x02, AUDIO_AC_SIZ, 0x00, 0x01),
+    MIDI_STANDARD_DESCRIPTOR_INIT(0x01, 0x02),
+    MIDI_CS_HEADER_DESCRIPTOR_INIT(AUDIO_MS_SIZ),
     MIDI_JACK_DESCRIPTOR_INIT(0x01),
     // OUT endpoint descriptor
     0x09, 0x05, MIDI_OUT_EP, 0x02, WBVAL(MIDI_EP_MPS), 0x00, 0x00, 0x00,
@@ -137,48 +104,9 @@ const struct usb_descriptor midi_descriptor = {
 const uint8_t midi_descriptor[] = {
     USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0100, 0x01),
     USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
-    // Standard AC Interface Descriptor
-    0x09,
-    0x04,
-    0x00,
-    0x00,
-    0x00,
-    0x01,
-    0x01,
-    0x00,
-    0x00,
-    // Class-specific AC Interface Descriptor
-    0x09,
-    0x24,
-    0x01,
-    0x00,
-    0x01,
-    0x09,
-    0x00,
-    0x01,
-    0x01,
-    // MIDIStreaming Interface Descriptors
-    0x09,
-    0x04,
-    0x01,
-    0x00,
-    0x02,
-    0x01,
-    0x03,
-    0x00,
-    0x00,
-    // Class-Specific MS Interface Header Descriptor
-    0x07,
-    0x24,
-    0x01,
-    0x00,
-    0x01,
-    WBVAL(65),
-
-    // MIDI_IN_JACK_DESCRIPTOR_INIT(MIDI_JACK_TYPE_EMBEDDED, 0x01),
-    // MIDI_IN_JACK_DESCRIPTOR_INIT(MIDI_JACK_TYPE_EXTERNAL, 0x02),
-    // MIDI_OUT_JACK_DESCRIPTOR_INIT(MIDI_JACK_TYPE_EMBEDDED, 0x03, 0x02),
-    // MIDI_OUT_JACK_DESCRIPTOR_INIT(MIDI_JACK_TYPE_EXTERNAL, 0x04, 0x01),
+    AUDIO_AC_DESCRIPTOR_INIT(0x00, 0x02, AUDIO_AC_SIZ, 0x00, 0x01),
+    MIDI_STANDARD_DESCRIPTOR_INIT(0x01, 0x02),
+    MIDI_CS_HEADER_DESCRIPTOR_INIT(AUDIO_MS_SIZ),
     MIDI_JACK_DESCRIPTOR_INIT(0x01),
     // OUT endpoint descriptor
     0x09, 0x05, MIDI_OUT_EP, 0x02, WBVAL(MIDI_EP_MPS), 0x00, 0x00, 0x00,
@@ -186,8 +114,7 @@ const uint8_t midi_descriptor[] = {
 
     // IN endpoint descriptor
     0x09, 0x05, MIDI_IN_EP, 0x02, WBVAL(MIDI_EP_MPS), 0x00, 0x00, 0x00,
-    0x05, 0x25, 0x01, 0x01, 0x03,
-
+    0x05, 0x25, 0x01, 0x01, 0x03
     ///////////////////////////////////////
     /// string0 descriptor
     ///////////////////////////////////////

demo/video_audiov1_hid_template.c

@@ -46,15 +46,15 @@
                                            VS_HEADER_SIZ +                           \
                                            9 +                                       \
                                            7 +                                       \
-                                           AUDIO_AC_DESCRIPTOR_INIT_LEN(2) +         \
+                                           AUDIO_AC_DESCRIPTOR_LEN(2) +         \
                                            AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +     \
                                            AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2, 1) + \
                                            AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +    \
                                            AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +     \
                                            AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2, 1) + \
                                            AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +    \
-                                           AUDIO_AS_DESCRIPTOR_INIT_LEN(1) +         \
-                                           AUDIO_AS_DESCRIPTOR_INIT_LEN(1) +         \
+                                           AUDIO_AS_DESCRIPTOR_LEN(1) +         \
+                                           AUDIO_AS_DESCRIPTOR_LEN(1) +         \
                                            25)
 
 #define USBD_VID           0xffff
@@ -130,38 +130,7 @@ static const uint8_t config_descriptor[] = {
                              EP_INTERVAL, AUDIO_SAMPLE_FREQ_3B(AUDIO_SPEAKER_FREQ)),
     AUDIO_AS_DESCRIPTOR_INIT(0x04, 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)),
-    /************** Descriptor of Joystick Mouse interface ****************/
-    /* 09 */
-    0x09,                          /* bLength: Interface Descriptor size */
-    USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
-    0x05,                          /* bInterfaceNumber: Number of Interface */
-    0x00,                          /* bAlternateSetting: Alternate setting */
-    0x01,                          /* bNumEndpoints */
-    0x03,                          /* bInterfaceClass: HID */
-    0x01,                          /* bInterfaceSubClass : 1=BOOT, 0=no boot */
-    0x01,                          /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
-    0,                             /* iInterface: Index of string descriptor */
-    /******************** Descriptor of Joystick Mouse HID ********************/
-    /* 18 */
-    0x09,                    /* bLength: HID Descriptor size */
-    HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */
-    0x11,                    /* bcdHID: HID Class Spec release number */
-    0x01,
-    0x00,                          /* bCountryCode: Hardware target country */
-    0x01,                          /* bNumDescriptors: Number of HID class descriptors to follow */
-    0x22,                          /* bDescriptorType */
-    HID_KEYBOARD_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
-    0x00,
-    /******************** Descriptor of Mouse endpoint ********************/
-    /* 27 */
-    0x07,                         /* bLength: Endpoint Descriptor size */
-    USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: */
-    HID_INT_EP,                   /* bEndpointAddress: Endpoint Address (IN) */
-    0x03,                         /* bmAttributes: Interrupt endpoint */
-    HID_INT_EP_SIZE,              /* wMaxPacketSize: 4 Byte max */
-    0x00,
-    HID_INT_EP_INTERVAL, /* bInterval: Polling Interval */
-    /* 34 */
+    HID_KEYBOARD_DESCRIPTOR_INIT(0x05, 0x01, HID_KEYBOARD_REPORT_DESC_SIZE, HID_INT_EP, HID_INT_EP_SIZE, HID_INT_EP_INTERVAL),
 };
 
 static const uint8_t device_quality_descriptor[] = {