update video and audio demo template

demo/audio_mic_singlechan_template.c

@@ -0,0 +1,164 @@
+#include "usbd_core.h"
+#include "usbd_audio.h"
+#include "music.h"
+
+#define USBD_VID           0xffff
+#define USBD_PID           0xffff
+#define USBD_MAX_POWER     100
+#define USBD_LANGID_STRING 1033
+
+#ifdef CONFIG_USB_HS
+#define EP_INTERVAL 0x04
+#else
+#define EP_INTERVAL 0x01
+#endif
+
+#define AUDIO_IN_EP 0x81
+
+/* AUDIO Class Config */
+#define AUDIO_FREQ 16000U
+
+#define AUDIO_SAMPLE_FREQ(frq) (uint8_t)(frq), (uint8_t)((frq >> 8)), (uint8_t)((frq >> 16))
+
+/* AudioFreq * DataSize (2 bytes) * NumChannels (Stereo: 1) */
+/* 16bit(2 Bytes) 单声道(Mono:1) */
+#define AUDIO_IN_PACKET ((uint32_t)((AUDIO_FREQ * 2 * 1) / 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_OUTPUT_TERMINAL_DESC + \
+                                                  AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2) + \
+                                                  AUDIO_AS_DESCRIPTOR_INIT_LEN(1))
+
+const uint8_t audio_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),
+    AUDIO_AC_DESCRIPTOR_INIT(0x00, 0x02, 0x0100, 0x0027, 0x00, 0x01, 0x01),
+    AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x01, AUDIO_INTERM_MIC, 0x01, 0x0003),
+    AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x02, AUDIO_TERMINAL_STREAMING, 0x03),
+    AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x03, 0x01, 0x02, 0x03, 0x00),
+    AUDIO_AS_DESCRIPTOR_INIT(0x01, 0x02, 0x01, AUDIO_IN_EP, AUDIO_IN_PACKET, EP_INTERVAL, 0x01, AUDIO_SAMPLE_FREQ(AUDIO_FREQ)),
+    ///////////////////////////////////////
+    /// string0 descriptor
+    ///////////////////////////////////////
+    USB_LANGID_INIT(USBD_LANGID_STRING),
+    ///////////////////////////////////////
+    /// string1 descriptor
+    ///////////////////////////////////////
+    0x14,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    'C', 0x00,                  /* wcChar0 */
+    'h', 0x00,                  /* wcChar1 */
+    'e', 0x00,                  /* wcChar2 */
+    'r', 0x00,                  /* wcChar3 */
+    'r', 0x00,                  /* wcChar4 */
+    'y', 0x00,                  /* wcChar5 */
+    'U', 0x00,                  /* wcChar6 */
+    'S', 0x00,                  /* wcChar7 */
+    'B', 0x00,                  /* wcChar8 */
+    ///////////////////////////////////////
+    /// string2 descriptor
+    ///////////////////////////////////////
+    0x26,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    'C', 0x00,                  /* wcChar0 */
+    'h', 0x00,                  /* wcChar1 */
+    'e', 0x00,                  /* wcChar2 */
+    'r', 0x00,                  /* wcChar3 */
+    'r', 0x00,                  /* wcChar4 */
+    'y', 0x00,                  /* wcChar5 */
+    'U', 0x00,                  /* wcChar6 */
+    'S', 0x00,                  /* wcChar7 */
+    'B', 0x00,                  /* wcChar8 */
+    ' ', 0x00,                  /* wcChar9 */
+    'U', 0x00,                  /* wcChar10 */
+    'A', 0x00,                  /* wcChar11 */
+    'C', 0x00,                  /* wcChar12 */
+    ' ', 0x00,                  /* wcChar13 */
+    'D', 0x00,                  /* wcChar14 */
+    'E', 0x00,                  /* wcChar15 */
+    'M', 0x00,                  /* wcChar16 */
+    'O', 0x00,                  /* wcChar17 */
+    ///////////////////////////////////////
+    /// string3 descriptor
+    ///////////////////////////////////////
+    0x16,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    '2', 0x00,                  /* wcChar0 */
+    '0', 0x00,                  /* wcChar1 */
+    '2', 0x00,                  /* wcChar2 */
+    '1', 0x00,                  /* wcChar3 */
+    '0', 0x00,                  /* wcChar4 */
+    '3', 0x00,                  /* wcChar5 */
+    '1', 0x00,                  /* wcChar6 */
+    '0', 0x00,                  /* wcChar7 */
+    '0', 0x00,                  /* wcChar8 */
+    '0', 0x00,                  /* wcChar9 */
+#ifdef CONFIG_USB_HS
+    ///////////////////////////////////////
+    /// device qualifier descriptor
+    ///////////////////////////////////////
+    0x0a,
+    USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
+    0x00,
+    0x02,
+    0x00,
+    0x00,
+    0x00,
+    0x40,
+    0x01,
+    0x00,
+#endif
+    0x00
+};
+
+volatile bool tx_flag = 0;
+
+void usbd_audio_open(uint8_t intf)
+{
+    tx_flag = 1;
+    printf("OPEN\r\n");
+}
+void usbd_audio_close(uint8_t intf)
+{
+    printf("CLOSE\r\n");
+    tx_flag = 0;
+}
+
+static usbd_class_t audio_class;
+static usbd_interface_t audio_control_intf;
+static usbd_interface_t audio_stream_intf;
+
+void usbd_audio_iso_callback(uint8_t ep)
+{
+}
+
+static usbd_endpoint_t audio_in_ep = {
+    .ep_cb = usbd_audio_iso_callback,
+    .ep_addr = AUDIO_IN_EP
+};
+
+void audio_init()
+{
+    usbd_desc_register(audio_descriptor);
+    usbd_audio_add_interface(&audio_class, &audio_control_intf);
+    usbd_audio_add_interface(&audio_class, &audio_stream_intf);
+    usbd_interface_add_endpoint(&audio_stream_intf, &audio_in_ep);
+
+    usbd_initialize();
+}
+
+uint8_t buffer[1024];
+
+void audio_test()
+{
+    for (size_t i = 0; i < 1000; i++) {
+        buffer[i] = i;
+    }
+    while (1) {
+        if (tx_flag) {
+            usbd_ep_write(0x81, buffer, 1024, NULL);
+        }
+    }
+}

demo/audio_mic_speaker_dualchan_template.c

@@ -0,0 +1,186 @@
+#include "usbd_core.h"
+#include "usbd_audio.h"
+
+#ifdef CONFIG_USB_HS
+#define EP_INTERVAL 0x04
+#else
+#define EP_INTERVAL 0x01
+#endif
+
+#define USBD_VID           0xffff
+#define USBD_PID           0xffff
+#define USBD_MAX_POWER     100
+#define USBD_LANGID_STRING 1033
+
+#define AUDIO_IN_EP  0x81
+#define AUDIO_OUT_EP 0x02
+
+/* AUDIO Class Config */
+#define AUDIO_FREQ 16000U
+
+#define AUDIO_SAMPLE_FREQ(frq) (uint8_t)(frq), (uint8_t)((frq >> 8)), (uint8_t)((frq >> 16))
+
+/* AudioFreq * DataSize (2 bytes) * NumChannels (Stereo: 2) */
+#define AUDIO_OUT_PACKET ((uint32_t)((AUDIO_FREQ * 2 * 2) / 1000))
+/* 16bit(2 Bytes) 双声道(Mono:2) */
+#define AUDIO_IN_PACKET ((uint32_t)((AUDIO_FREQ * 2 * 2) / 1000))
+
+#define USB_AUDIO_CONFIG_DESC_SIZ (unsigned long)(9 +                                    \
+                                                  AUDIO_AC_DESCRIPTOR_INIT_LEN(2) +      \
+                                                  AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +  \
+                                                  AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +  \
+                                                  AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC + \
+                                                  AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC + \
+                                                  AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2) + \
+                                                  AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2) + \
+                                                  AUDIO_AS_DESCRIPTOR_INIT_LEN(1) +      \
+                                                  AUDIO_AS_DESCRIPTOR_INIT_LEN(1))
+
+const uint8_t audio_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),
+    AUDIO_AC_DESCRIPTOR_INIT(0x00, 0x03, 0x0100, 0x0046, 0x00, 0x02, 0x01, 0x02),
+    AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x01, AUDIO_INTERM_MIC, 0x02, 0x0001),
+    AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x02, AUDIO_TERMINAL_STREAMING, 0x02, 0x0001),
+    AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x03, AUDIO_OUTTERM_SPEAKER, 0x05),
+    AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_TERMINAL_STREAMING, 0x06),
+    AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x05, 0x02, 0x02, 0x03, 0x00),
+    AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x06, 0x01, 0x02, 0x03, 0x00),
+    AUDIO_AS_DESCRIPTOR_INIT(0x01, 0x02, 0x02, AUDIO_OUT_EP, AUDIO_OUT_PACKET, EP_INTERVAL, 0x01, AUDIO_SAMPLE_FREQ(AUDIO_FREQ)),
+    AUDIO_AS_DESCRIPTOR_INIT(0x02, 0x04, 0x02, AUDIO_IN_EP, AUDIO_IN_PACKET, EP_INTERVAL, 0x01, AUDIO_SAMPLE_FREQ(AUDIO_FREQ)),
+    ///////////////////////////////////////
+    /// string0 descriptor
+    ///////////////////////////////////////
+    USB_LANGID_INIT(USBD_LANGID_STRING),
+    ///////////////////////////////////////
+    /// string1 descriptor
+    ///////////////////////////////////////
+    0x14,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    'C', 0x00,                  /* wcChar0 */
+    'h', 0x00,                  /* wcChar1 */
+    'e', 0x00,                  /* wcChar2 */
+    'r', 0x00,                  /* wcChar3 */
+    'r', 0x00,                  /* wcChar4 */
+    'y', 0x00,                  /* wcChar5 */
+    'U', 0x00,                  /* wcChar6 */
+    'S', 0x00,                  /* wcChar7 */
+    'B', 0x00,                  /* wcChar8 */
+    ///////////////////////////////////////
+    /// string2 descriptor
+    ///////////////////////////////////////
+    0x26,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    'C', 0x00,                  /* wcChar0 */
+    'h', 0x00,                  /* wcChar1 */
+    'e', 0x00,                  /* wcChar2 */
+    'r', 0x00,                  /* wcChar3 */
+    'r', 0x00,                  /* wcChar4 */
+    'y', 0x00,                  /* wcChar5 */
+    'U', 0x00,                  /* wcChar6 */
+    'S', 0x00,                  /* wcChar7 */
+    'B', 0x00,                  /* wcChar8 */
+    ' ', 0x00,                  /* wcChar9 */
+    'U', 0x00,                  /* wcChar10 */
+    'A', 0x00,                  /* wcChar11 */
+    'C', 0x00,                  /* wcChar12 */
+    ' ', 0x00,                  /* wcChar13 */
+    'D', 0x00,                  /* wcChar14 */
+    'E', 0x00,                  /* wcChar15 */
+    'M', 0x00,                  /* wcChar16 */
+    'O', 0x00,                  /* wcChar17 */
+    ///////////////////////////////////////
+    /// string3 descriptor
+    ///////////////////////////////////////
+    0x16,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    '2', 0x00,                  /* wcChar0 */
+    '0', 0x00,                  /* wcChar1 */
+    '2', 0x00,                  /* wcChar2 */
+    '1', 0x00,                  /* wcChar3 */
+    '0', 0x00,                  /* wcChar4 */
+    '3', 0x00,                  /* wcChar5 */
+    '1', 0x00,                  /* wcChar6 */
+    '0', 0x00,                  /* wcChar7 */
+    '0', 0x00,                  /* wcChar8 */
+    '0', 0x00,                  /* wcChar9 */
+#ifdef CONFIG_USB_HS
+    ///////////////////////////////////////
+    /// device qualifier descriptor
+    ///////////////////////////////////////
+    0x0a,
+    USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
+    0x00,
+    0x02,
+    0x00,
+    0x00,
+    0x00,
+    0x40,
+    0x01,
+    0x00,
+#endif
+    0x00
+};
+
+volatile bool tx_flag = 0;
+volatile bool rx_flag = 0;
+
+void usbd_audio_open(uint8_t intf)
+{
+    if (intf == 1) {
+        rx_flag = 1;
+        printf("OPEN1\r\n");
+    } else {
+        tx_flag = 1;
+        printf("OPEN2\r\n");
+    }
+}
+void usbd_audio_close(uint8_t intf)
+{
+    if (intf == 1) {
+        rx_flag = 1;
+        printf("CLOSE1\r\n");
+    } else {
+        tx_flag = 0;
+        printf("CLOSE2\r\n");
+    }
+}
+
+static usbd_class_t audio_class;
+static usbd_interface_t audio_control_intf;
+static usbd_interface_t audio_stream_intf;
+static usbd_interface_t audio_stream_intf2;
+
+void usbd_audio_iso_callback(uint8_t ep)
+{
+}
+
+static usbd_endpoint_t audio_in_ep = {
+    .ep_cb = usbd_audio_iso_callback,
+    .ep_addr = AUDIO_IN_EP
+};
+
+static usbd_endpoint_t audio_out_ep = {
+    .ep_cb = usbd_audio_iso_callback,
+    .ep_addr = AUDIO_OUT_EP
+};
+
+void audio_init()
+{
+    usbd_desc_register(audio_descriptor);
+    usbd_audio_add_interface(&audio_class, &audio_control_intf);
+    usbd_audio_add_interface(&audio_class, &audio_stream_intf);
+    usbd_audio_add_interface(&audio_class, &audio_stream_intf2);
+    usbd_interface_add_endpoint(&audio_stream_intf, &audio_in_ep);
+    usbd_interface_add_endpoint(&audio_stream_intf2, &audio_out_ep);
+
+    usbd_initialize();
+}
+
+void audio_test()
+{
+    while (1) {
+        if (tx_flag) {
+        }
+    }
+}

demo/video_hs_mjpeg_template.c

@@ -2,6 +2,8 @@
 #include "usbd_video.h"
 #include "pic_data.h"
 
+#define VIDEO_IN_EP 0x81
+
 #define MAX_PAYLOAD_SIZE  2048
 #define VIDEO_PACKET_SIZE (unsigned int)(((MAX_PAYLOAD_SIZE / 2)) | (0x01 << 11))
 
@@ -14,153 +16,22 @@
 #define MAX_BIT_RATE   (unsigned long)(WIDTH * HEIGHT * 16 * CAM_FPS)
 #define MAX_FRAME_SIZE (unsigned long)(WIDTH * HEIGHT * 2)
 
-#if 0
-#define USB_VIDEO_DESC_SIZ (unsigned long)(9 +   \
-                                           8 +   \
-                                           9 +   \
-                                           52 +  \
-                                           9 +   \
-                                           181 + \
-                                           9 +   \
-                                           7)
-
-#define VC_TERMINAL_SIZ (52)
-#define VC_HEADER_SIZ   (181)
-
-#define USBD_VID           0xffff
-#define USBD_PID           0xffff
-#define USBD_MAX_POWER     100
-#define USBD_LANGID_STRING 1033
-
-USB_DESC_SECTION const uint8_t video_descriptor[] = {
-    USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0xef, 0x02, 0x01, USBD_VID, USBD_PID, 0x0001, 0x01),
-    USB_CONFIG_DESCRIPTOR_INIT(USB_VIDEO_DESC_SIZ, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
-    VIDEO_VC_DESCRIPTOR_INIT(0x00, 0, 0x0100, VC_TERMINAL_SIZ, 48000000, 0x02),
-    // 0x07,
-    // 0x05,
-    // 0x87,
-    // 0x03,
-    // 0x10, 0x00,
-    // 0x08,
-
-    // 0x05,
-    // 0x25,
-    // 0x03,
-    // 0x10, 0x00,
-    VIDEO_VS_DESCRIPTOR_INIT(0x01, 0x00, 0x00),
-    VIDEO_VS_HEADER_DESCRIPTOR_INIT(0x03, VC_HEADER_SIZ, 0x81),
-    VIDEO_VS_FORMAT_UNCOMPRESSED_DESCRIPTOR_INIT(0x01, 0x01, VIDEO_GUID_YUY2),
-    VIDEO_VS_FRAME_UNCOMPRESSED_DESCRIPTOR_INIT(0x01, WIDTH, HEIGHT, MIN_BIT_RATE, MAX_BIT_RATE, MAX_FRAME_SIZE, INTERVAL, INTERVAL),
-    VIDEO_VS_FORMAT_MJPEG_DESCRIPTOR_INIT(0x02,0x01),
-    VIDEO_VS_FRAME_MJPEG_DESCRIPTOR_INIT(0x01, WIDTH, HEIGHT, MIN_BIT_RATE, MAX_BIT_RATE, MAX_FRAME_SIZE, INTERVAL, INTERVAL, 0x00061A80),
-    VIDEO_VS_FORMAT_UNCOMPRESSED_DESCRIPTOR_INIT(0x03, 0x01, VIDEO_GUID_NV12),
-    VIDEO_VS_FRAME_UNCOMPRESSED_DESCRIPTOR_INIT(0x01, WIDTH, HEIGHT, MIN_BIT_RATE, MAX_BIT_RATE, MAX_FRAME_SIZE, INTERVAL, INTERVAL),
-
-    0x06,
-    0x24,
-    0x0d,
-    0x01,
-    0x01,
-    0x04,
-
-    VIDEO_VS_DESCRIPTOR_INIT(0x01, 0x01, 0x01),
-    /* 1.2.2.2 Standard VideoStream Isochronous Video Data Endpoint Descriptor */
-    0x07,                         /* bLength */
-    USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: ENDPOINT */
-    0x81,                         /* bEndpointAddress: IN endpoint 2 */
-    0x01,                         /* bmAttributes: Isochronous transfer type. Asynchronous synchronization type. */
-    WBVAL(VIDEO_PACKET_SIZE),     /* wMaxPacketSize */
-    0x01,                         /* bInterval: One frame interval */
-
-    ///////////////////////////////////////
-    /// string0 descriptor
-    ///////////////////////////////////////
-    USB_LANGID_INIT(USBD_LANGID_STRING),
-    ///////////////////////////////////////
-    /// string1 descriptor
-    ///////////////////////////////////////
-    0x14,                       /* bLength */
-    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
-    'C', 0x00,                  /* wcChar0 */
-    'h', 0x00,                  /* wcChar1 */
-    'e', 0x00,                  /* wcChar2 */
-    'r', 0x00,                  /* wcChar3 */
-    'r', 0x00,                  /* wcChar4 */
-    'y', 0x00,                  /* wcChar5 */
-    'U', 0x00,                  /* wcChar6 */
-    'S', 0x00,                  /* wcChar7 */
-    'B', 0x00,                  /* wcChar8 */
-    ///////////////////////////////////////
-    /// string2 descriptor
-    ///////////////////////////////////////
-    0x26,                       /* bLength */
-    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
-    'C', 0x00,                  /* wcChar0 */
-    'h', 0x00,                  /* wcChar1 */
-    'e', 0x00,                  /* wcChar2 */
-    'r', 0x00,                  /* wcChar3 */
-    'r', 0x00,                  /* wcChar4 */
-    'y', 0x00,                  /* wcChar5 */
-    'U', 0x00,                  /* wcChar6 */
-    'S', 0x00,                  /* wcChar7 */
-    'B', 0x00,                  /* wcChar8 */
-    ' ', 0x00,                  /* wcChar9 */
-    'U', 0x00,                  /* wcChar10 */
-    'V', 0x00,                  /* wcChar11 */
-    'C', 0x00,                  /* wcChar12 */
-    ' ', 0x00,                  /* wcChar13 */
-    'D', 0x00,                  /* wcChar14 */
-    'E', 0x00,                  /* wcChar15 */
-    'M', 0x00,                  /* wcChar16 */
-    'O', 0x00,                  /* wcChar17 */
-    ///////////////////////////////////////
-    /// string3 descriptor
-    ///////////////////////////////////////
-    0x16,                       /* bLength */
-    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
-    '2', 0x00,                  /* wcChar0 */
-    '0', 0x00,                  /* wcChar1 */
-    '2', 0x00,                  /* wcChar2 */
-    '1', 0x00,                  /* wcChar3 */
-    '0', 0x00,                  /* wcChar4 */
-    '3', 0x00,                  /* wcChar5 */
-    '1', 0x00,                  /* wcChar6 */
-    '0', 0x00,                  /* wcChar7 */
-    '0', 0x00,                  /* wcChar8 */
-    '0', 0x00,                  /* wcChar9 */
-#ifdef CONFIG_USB_HS
-    ///////////////////////////////////////
-    /// device qualifier descriptor
-    ///////////////////////////////////////
-    0x0a,
-    USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
-    0x00,
-    0x02,
-    0x00,
-    0x00,
-    0x00,
-    0x40,
-    0x01,
-    0x00,
-#endif
-    0x00
-};
-#else
 #define USB_VIDEO_DESC_SIZ (unsigned long)(9 +  \
                                            8 +  \
                                            9 +  \
                                            13 + \
                                            18 + \
                                            9 +  \
+                                           12 + \
                                            9 +  \
                                            14 + \
                                            11 + \
-                                           34 + \
+                                           38 + \
                                            9 +  \
                                            7)
 
-#define VC_TERMINAL_SIZ (unsigned int)(13 + 18 + 9)
-#define VC_HEADER_SIZ   (unsigned int)(14 + 11 + 34)
+#define VC_TERMINAL_SIZ (unsigned int)(13 + 18 + 12 + 9)
+#define VS_HEADER_SIZ   (unsigned int)(13 + 1 + 11 + 38)
 
 #define USBD_VID           0xffff
 #define USBD_PID           0xffff
@@ -172,9 +43,9 @@ USB_DESC_SECTION const uint8_t video_descriptor[] = {
     USB_CONFIG_DESCRIPTOR_INIT(USB_VIDEO_DESC_SIZ, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
     VIDEO_VC_DESCRIPTOR_INIT(0x00, 0, 0x0100, VC_TERMINAL_SIZ, 48000000, 0x02),
     VIDEO_VS_DESCRIPTOR_INIT(0x01, 0x00, 0x00),
-    VIDEO_VS_HEADER_DESCRIPTOR_INIT(0x01, VC_HEADER_SIZ, 0x81),
+    VIDEO_VS_HEADER_DESCRIPTOR_INIT(0x01, VS_HEADER_SIZ, VIDEO_IN_EP, 1, 0x00),
     VIDEO_VS_FORMAT_MJPEG_DESCRIPTOR_INIT(0x01, 0x01),
-    VIDEO_VS_FRAME_MJPEG_DESCRIPTOR_INIT_V2(0x01, WIDTH, HEIGHT, MIN_BIT_RATE, MAX_BIT_RATE, MAX_FRAME_SIZE, INTERVAL, INTERVAL, INTERVAL),
+    VIDEO_VS_FRAME_MJPEG_DESCRIPTOR_INIT(0x01, WIDTH, HEIGHT, MIN_BIT_RATE, MAX_BIT_RATE, MAX_FRAME_SIZE, INTERVAL, 0x00, DBVAL(INTERVAL), DBVAL(INTERVAL), DBVAL(0)),
     VIDEO_VS_DESCRIPTOR_INIT(0x01, 0x01, 0x01),
     /* 1.2.2.2 Standard VideoStream Isochronous Video Data Endpoint Descriptor */
     0x07,                         /* bLength */
@@ -258,33 +129,31 @@ USB_DESC_SECTION const uint8_t video_descriptor[] = {
     0x00
 };
 
-#endif
-
 volatile bool tx_flag = 0;
 
-void usbd_video_set_interface_callback(uint8_t value)
+void usbd_video_open(uint8_t intf)
 {
-    if (value) {
-        printf("OPEN\r\n");
-        tx_flag = 1;
-    } else {
-        printf("CLOSE\r\n");
-        tx_flag = 0;
-    }
+    tx_flag = 1;
+    MSG("OPEN\r\n");
+}
+void usbd_video_close(uint8_t intf)
+{
+    MSG("CLOSE\r\n");
+    tx_flag = 0;
 }
 
+
 static usbd_class_t video_class;
 static usbd_interface_t video_control_intf;
 static usbd_interface_t video_stream_intf;
 
 void usbd_video_iso_callback(uint8_t ep)
 {
-
 }
 
 static usbd_endpoint_t video_in_ep = {
     .ep_cb = usbd_video_iso_callback,
-    .ep_addr = 0x81
+    .ep_addr = VIDEO_IN_EP
 };
 
 void video_init()