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+#include "usbd_core.h"
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+#include "usbd_video.h"
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+#include "pic_data.h"
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+
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+#define MAX_PAYLOAD_SIZE 2048
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+#define VIDEO_PACKET_SIZE (unsigned int)(((MAX_PAYLOAD_SIZE / 2)) | (0x01 << 11))
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+
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+#define WIDTH (unsigned int)(640)
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+#define HEIGHT (unsigned int)(480)
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+
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+#define CAM_FPS (30)
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+#define INTERVAL (unsigned long)(10000000 / CAM_FPS)
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+#define MIN_BIT_RATE (unsigned long)(WIDTH * HEIGHT * 16 * CAM_FPS) //16 bit
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+#define MAX_BIT_RATE (unsigned long)(WIDTH * HEIGHT * 16 * CAM_FPS)
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+#define MAX_FRAME_SIZE (unsigned long)(WIDTH * HEIGHT * 2)
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+
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+#if 0
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+#define USB_VIDEO_DESC_SIZ (unsigned long)(9 + \
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+ 8 + \
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+ 9 + \
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+ 52 + \
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+ 9 + \
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+ 181 + \
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+ 9 + \
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+ 7)
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+
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+#define VC_TERMINAL_SIZ (52)
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+#define VC_HEADER_SIZ (181)
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+
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+#define USBD_VID 0xffff
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+#define USBD_PID 0xffff
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+#define USBD_MAX_POWER 100
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+#define USBD_LANGID_STRING 1033
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+
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+USB_DESC_SECTION const uint8_t video_descriptor[] = {
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+ USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0xef, 0x02, 0x01, USBD_VID, USBD_PID, 0x0001, 0x01),
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+ USB_CONFIG_DESCRIPTOR_INIT(USB_VIDEO_DESC_SIZ, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
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+ VIDEO_VC_DESCRIPTOR_INIT(0x00, 0, 0x0100, VC_TERMINAL_SIZ, 48000000, 0x02),
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+ // 0x07,
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+ // 0x05,
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+ // 0x87,
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+ // 0x03,
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+ // 0x10, 0x00,
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+ // 0x08,
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+
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+ // 0x05,
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+ // 0x25,
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+ // 0x03,
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+ // 0x10, 0x00,
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+ VIDEO_VS_DESCRIPTOR_INIT(0x01, 0x00, 0x00),
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+ VIDEO_VS_HEADER_DESCRIPTOR_INIT(0x03, VC_HEADER_SIZ, 0x81),
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+ VIDEO_VS_FORMAT_UNCOMPRESSED_DESCRIPTOR_INIT(0x01, 0x01, VIDEO_GUID_YUY2),
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+ VIDEO_VS_FRAME_UNCOMPRESSED_DESCRIPTOR_INIT(0x01, WIDTH, HEIGHT, MIN_BIT_RATE, MAX_BIT_RATE, MAX_FRAME_SIZE, INTERVAL, INTERVAL),
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+ VIDEO_VS_FORMAT_MJPEG_DESCRIPTOR_INIT(0x02,0x01),
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+ VIDEO_VS_FRAME_MJPEG_DESCRIPTOR_INIT(0x01, WIDTH, HEIGHT, MIN_BIT_RATE, MAX_BIT_RATE, MAX_FRAME_SIZE, INTERVAL, INTERVAL, 0x00061A80),
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+ VIDEO_VS_FORMAT_UNCOMPRESSED_DESCRIPTOR_INIT(0x03, 0x01, VIDEO_GUID_NV12),
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+ VIDEO_VS_FRAME_UNCOMPRESSED_DESCRIPTOR_INIT(0x01, WIDTH, HEIGHT, MIN_BIT_RATE, MAX_BIT_RATE, MAX_FRAME_SIZE, INTERVAL, INTERVAL),
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+
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+ 0x06,
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+ 0x24,
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+ 0x0d,
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+ 0x01,
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+ 0x01,
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+ 0x04,
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+
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+ VIDEO_VS_DESCRIPTOR_INIT(0x01, 0x01, 0x01),
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+ /* 1.2.2.2 Standard VideoStream Isochronous Video Data Endpoint Descriptor */
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+ 0x07, /* bLength */
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+ USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: ENDPOINT */
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+ 0x81, /* bEndpointAddress: IN endpoint 2 */
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+ 0x01, /* bmAttributes: Isochronous transfer type. Asynchronous synchronization type. */
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+ WBVAL(VIDEO_PACKET_SIZE), /* wMaxPacketSize */
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+ 0x01, /* bInterval: One frame interval */
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+
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+ ///////////////////////////////////////
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+ /// string0 descriptor
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+ ///////////////////////////////////////
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+ USB_LANGID_INIT(USBD_LANGID_STRING),
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+ ///////////////////////////////////////
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+ /// string1 descriptor
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+ ///////////////////////////////////////
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+ 0x14, /* bLength */
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+ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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+ 'C', 0x00, /* wcChar0 */
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+ 'h', 0x00, /* wcChar1 */
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+ 'e', 0x00, /* wcChar2 */
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+ 'r', 0x00, /* wcChar3 */
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+ 'r', 0x00, /* wcChar4 */
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+ 'y', 0x00, /* wcChar5 */
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+ 'U', 0x00, /* wcChar6 */
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+ 'S', 0x00, /* wcChar7 */
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+ 'B', 0x00, /* wcChar8 */
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+ ///////////////////////////////////////
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+ /// string2 descriptor
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+ ///////////////////////////////////////
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+ 0x26, /* bLength */
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+ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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+ 'C', 0x00, /* wcChar0 */
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+ 'h', 0x00, /* wcChar1 */
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+ 'e', 0x00, /* wcChar2 */
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+ 'r', 0x00, /* wcChar3 */
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+ 'r', 0x00, /* wcChar4 */
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+ 'y', 0x00, /* wcChar5 */
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+ 'U', 0x00, /* wcChar6 */
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+ 'S', 0x00, /* wcChar7 */
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+ 'B', 0x00, /* wcChar8 */
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+ ' ', 0x00, /* wcChar9 */
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+ 'U', 0x00, /* wcChar10 */
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+ 'V', 0x00, /* wcChar11 */
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+ 'C', 0x00, /* wcChar12 */
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+ ' ', 0x00, /* wcChar13 */
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+ 'D', 0x00, /* wcChar14 */
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+ 'E', 0x00, /* wcChar15 */
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+ 'M', 0x00, /* wcChar16 */
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+ 'O', 0x00, /* wcChar17 */
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+ ///////////////////////////////////////
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+ /// string3 descriptor
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+ ///////////////////////////////////////
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+ 0x16, /* bLength */
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+ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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+ '2', 0x00, /* wcChar0 */
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+ '0', 0x00, /* wcChar1 */
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+ '2', 0x00, /* wcChar2 */
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+ '1', 0x00, /* wcChar3 */
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+ '0', 0x00, /* wcChar4 */
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+ '3', 0x00, /* wcChar5 */
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+ '1', 0x00, /* wcChar6 */
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+ '0', 0x00, /* wcChar7 */
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+ '0', 0x00, /* wcChar8 */
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+ '0', 0x00, /* wcChar9 */
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+#ifdef CONFIG_USB_HS
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+ ///////////////////////////////////////
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+ /// device qualifier descriptor
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+ ///////////////////////////////////////
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+ 0x0a,
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+ USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
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+ 0x00,
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+ 0x02,
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+ 0x00,
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+ 0x00,
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+ 0x00,
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+ 0x40,
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+ 0x01,
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+ 0x00,
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+#endif
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+ 0x00
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+};
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+#else
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+#define USB_VIDEO_DESC_SIZ (unsigned long)(9 + \
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+ 8 + \
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+ 9 + \
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+ 13 + \
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+ 18 + \
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+ 9 + \
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+ 9 + \
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+ 14 + \
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+ 11 + \
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+ 34 + \
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+ 9 + \
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+ 7)
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+
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+#define VC_TERMINAL_SIZ (unsigned int)(13 + 18 + 9)
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+#define VC_HEADER_SIZ (unsigned int)(14 + 11 + 34)
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+
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+#define USBD_VID 0xffff
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+#define USBD_PID 0xffff
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+#define USBD_MAX_POWER 100
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+#define USBD_LANGID_STRING 1033
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+
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+USB_DESC_SECTION const uint8_t video_descriptor[] = {
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+ USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0001, 0x01),
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+ USB_CONFIG_DESCRIPTOR_INIT(USB_VIDEO_DESC_SIZ, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
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+ VIDEO_VC_DESCRIPTOR_INIT_V2(0x00, 0, 0x0100, VC_TERMINAL_SIZ, 48000000, 0x02),
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+ VIDEO_VS_DESCRIPTOR_INIT(0x01, 0x00, 0x00),
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+ VIDEO_VS_HEADER_DESCRIPTOR_INIT_V2(0x01, VC_HEADER_SIZ, 0x81),
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+ VIDEO_VS_FORMAT_MJPEG_DESCRIPTOR_INIT(0x01, 0x01),
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+ VIDEO_VS_FORMAT_MJPEG_DESCRIPTOR_INIT(0x01, 0x01),
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+ VIDEO_VS_FRAME_MJPEG_DESCRIPTOR_INIT(0x01, WIDTH, HEIGHT, MIN_BIT_RATE, MAX_BIT_RATE, MAX_FRAME_SIZE, INTERVAL, INTERVAL, 0x00061A80),
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+ VIDEO_VS_DESCRIPTOR_INIT(0x01, 0x01, 0x01),
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+ /* 1.2.2.2 Standard VideoStream Isochronous Video Data Endpoint Descriptor */
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+ 0x07, /* bLength */
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+ USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: ENDPOINT */
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+ 0x81, /* bEndpointAddress: IN endpoint 2 */
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+ 0x01, /* bmAttributes: Isochronous transfer type. Asynchronous synchronization type. */
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+ WBVAL(VIDEO_PACKET_SIZE), /* wMaxPacketSize */
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+ 0x01, /* bInterval: One frame interval */
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+
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+ ///////////////////////////////////////
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+ /// string0 descriptor
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+ ///////////////////////////////////////
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+ USB_LANGID_INIT(USBD_LANGID_STRING),
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+ ///////////////////////////////////////
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+ /// string1 descriptor
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+ ///////////////////////////////////////
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+ 0x14, /* bLength */
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+ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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+ 'C', 0x00, /* wcChar0 */
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+ 'h', 0x00, /* wcChar1 */
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+ 'e', 0x00, /* wcChar2 */
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+ 'r', 0x00, /* wcChar3 */
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+ 'r', 0x00, /* wcChar4 */
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+ 'y', 0x00, /* wcChar5 */
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+ 'U', 0x00, /* wcChar6 */
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+ 'S', 0x00, /* wcChar7 */
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+ 'B', 0x00, /* wcChar8 */
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+ ///////////////////////////////////////
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+ /// string2 descriptor
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+ ///////////////////////////////////////
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+ 0x26, /* bLength */
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+ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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+ 'C', 0x00, /* wcChar0 */
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+ 'h', 0x00, /* wcChar1 */
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+ 'e', 0x00, /* wcChar2 */
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+ 'r', 0x00, /* wcChar3 */
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+ 'r', 0x00, /* wcChar4 */
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+ 'y', 0x00, /* wcChar5 */
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+ 'U', 0x00, /* wcChar6 */
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+ 'S', 0x00, /* wcChar7 */
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+ 'B', 0x00, /* wcChar8 */
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+ ' ', 0x00, /* wcChar9 */
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+ 'U', 0x00, /* wcChar10 */
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+ 'V', 0x00, /* wcChar11 */
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+ 'C', 0x00, /* wcChar12 */
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+ ' ', 0x00, /* wcChar13 */
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+ 'D', 0x00, /* wcChar14 */
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+ 'E', 0x00, /* wcChar15 */
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+ 'M', 0x00, /* wcChar16 */
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+ 'O', 0x00, /* wcChar17 */
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+ ///////////////////////////////////////
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+ /// string3 descriptor
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+ ///////////////////////////////////////
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+ 0x16, /* bLength */
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+ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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+ '2', 0x00, /* wcChar0 */
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+ '0', 0x00, /* wcChar1 */
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+ '2', 0x00, /* wcChar2 */
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+ '1', 0x00, /* wcChar3 */
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+ '0', 0x00, /* wcChar4 */
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+ '3', 0x00, /* wcChar5 */
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+ '1', 0x00, /* wcChar6 */
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+ '0', 0x00, /* wcChar7 */
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+ '0', 0x00, /* wcChar8 */
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+ '0', 0x00, /* wcChar9 */
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+#ifdef CONFIG_USB_HS
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+ ///////////////////////////////////////
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+ /// device qualifier descriptor
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+ ///////////////////////////////////////
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+ 0x0a,
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+ USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
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+ 0x00,
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+ 0x02,
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+ 0x00,
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+ 0x00,
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+ 0x00,
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+ 0x40,
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+ 0x01,
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+ 0x00,
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+#endif
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+ 0x00
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+};
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+
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+#endif
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+
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+volatile bool tx_flag = 0;
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+
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+void usbd_video_set_interface_callback(uint8_t value)
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+{
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+ if (value) {
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+ printf("OPEN\r\n");
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+ tx_flag = 1;
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+ } else {
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+ printf("CLOSE\r\n");
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+ tx_flag = 0;
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+ }
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+}
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+
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+static usbd_class_t video_class;
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+static usbd_interface_t video_control_intf;
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+static usbd_interface_t video_stream_intf;
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+
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+volatile uint8_t ios_complete = 0;
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+void usbd_video_iso_callback(uint8_t ep)
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+{
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+ ios_complete = 1;
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+}
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+
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+static usbd_endpoint_t video_in_ep = {
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+ .ep_cb = usbd_video_iso_callback,
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+ .ep_addr = 0x81
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+};
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+
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+void video_init()
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+{
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+ usbd_desc_register(video_descriptor);
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+ usbd_video_add_interface(&video_class, &video_control_intf);
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+ usbd_video_add_interface(&video_class, &video_stream_intf);
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+ usbd_interface_add_endpoint(&video_stream_intf, &video_in_ep);
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+
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+ usbd_video_probe_and_commit_controls_init(CAM_FPS, MAX_FRAME_SIZE, MAX_PAYLOAD_SIZE);
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+}
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+
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+uint8_t packet_buffer[10 * 1024];
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+
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+void video_test()
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+{
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+ uint32_t out_len;
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+ uint32_t packets = usbd_video_mjpeg_payload_fill((uint8_t *)jpeg_data, sizeof(jpeg_data), packet_buffer, &out_len);
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+
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+ while (1) {
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+ if (tx_flag) {
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+ usbd_ep_write(0x81, packet_buffer, out_len, NULL);
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+ usbd_video_mjpeg_payload_header_toggle(packet_buffer, packets);
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+ }
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+ }
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+}
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sakumisu