mirror of
https://gitee.com/Vancouver2017/luban-lite.git
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200 lines
7.4 KiB
C
200 lines
7.4 KiB
C
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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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#define VIDEO_IN_EP 0x81
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#ifdef CONFIG_USB_HS
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#define MAX_PAYLOAD_SIZE 1024 // for high speed with one transcations every one micro frame
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#define VIDEO_PACKET_SIZE (unsigned int)(((MAX_PAYLOAD_SIZE / 1)) | (0x00 << 11))
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// #define MAX_PAYLOAD_SIZE 2048 // for high speed with two transcations every one micro frame
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// #define VIDEO_PACKET_SIZE (unsigned int)(((MAX_PAYLOAD_SIZE / 2)) | (0x01 << 11))
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// #define MAX_PAYLOAD_SIZE 3072 // for high speed with three transcations every one micro frame
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// #define VIDEO_PACKET_SIZE (unsigned int)(((MAX_PAYLOAD_SIZE / 3)) | (0x02 << 11))
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#else
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#define MAX_PAYLOAD_SIZE 1023
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#define VIDEO_PACKET_SIZE (unsigned int)(((MAX_PAYLOAD_SIZE / 1)) | (0x00 << 11))
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#endif
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#define WIDTH (unsigned int)(640)
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#define HEIGHT (unsigned int)(480)
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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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#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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12 + \
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9 + \
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14 + \
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11 + \
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38 + \
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9 + \
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7)
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#define VC_TERMINAL_SIZ (unsigned int)(13 + 18 + 12 + 9)
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#define VS_HEADER_SIZ (unsigned int)(13 + 1 + 11 + 38)
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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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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(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(0x01, VS_HEADER_SIZ, VIDEO_IN_EP, 1, 0x00),
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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, 0x00, DBVAL(INTERVAL), DBVAL(INTERVAL), DBVAL(0)),
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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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/// 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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volatile bool tx_flag = 0;
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void usbd_video_open(uint8_t intf)
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{
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tx_flag = 1;
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USB_LOG_RAW("OPEN\r\n");
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}
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void usbd_video_close(uint8_t intf)
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{
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USB_LOG_RAW("CLOSE\r\n");
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tx_flag = 0;
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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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void usbd_video_iso_callback(uint8_t ep)
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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 = VIDEO_IN_EP
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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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usbd_video_probe_and_commit_controls_init(CAM_FPS, MAX_FRAME_SIZE, MAX_PAYLOAD_SIZE);
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usbd_initialize();
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}
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uint8_t packet_buffer[10 * 1024];
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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;
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while (1) {
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if (tx_flag) {
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packets = usbd_video_mjpeg_payload_fill((uint8_t *)jpeg_data, sizeof(jpeg_data), packet_buffer, &out_len);
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for (uint32_t i = 0; i < packets; i++) {
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if (i == (packets - 1)) {
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usbd_ep_write(VIDEO_IN_EP, &packet_buffer[i * MAX_PAYLOAD_SIZE], out_len - (packets - 1) * MAX_PAYLOAD_SIZE, NULL);
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} else {
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usbd_ep_write(VIDEO_IN_EP, &packet_buffer[i * MAX_PAYLOAD_SIZE], MAX_PAYLOAD_SIZE, NULL);
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}
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}
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}
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}
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}
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