esp32-CAM/docs/WebCam_CSI.md

CameraWebServer_ESP32-CAM.ino

• Configure WiFi SSID

const char* ssid = "Your SSID";
const char* password = "Your Password";

• Setup Camera CSI pin assignment

  camera_config_t config;
  config.ledc_channel = LEDC_CHANNEL_0;
  config.ledc_timer = LEDC_TIMER_0;
  config.pin_d0 = Y2_GPIO_NUM;
  config.pin_d1 = Y3_GPIO_NUM;
  config.pin_d2 = Y4_GPIO_NUM;
  config.pin_d3 = Y5_GPIO_NUM;
  config.pin_d4 = Y6_GPIO_NUM;
  config.pin_d5 = Y7_GPIO_NUM;
  config.pin_d6 = Y8_GPIO_NUM;
  config.pin_d7 = Y9_GPIO_NUM;
  config.pin_xclk = XCLK_GPIO_NUM;
  config.pin_pclk = PCLK_GPIO_NUM;
  config.pin_vsync = VSYNC_GPIO_NUM;
  config.pin_href = HREF_GPIO_NUM;
  config.pin_sscb_sda = SIOD_GPIO_NUM;
  config.pin_sscb_scl = SIOC_GPIO_NUM;
  config.pin_pwdn = PWDN_GPIO_NUM;
  config.pin_reset = RESET_GPIO_NUM;
  config.xclk_freq_hz = 20000000;
  config.pixel_format = PIXFORMAT_JPEG;

• Connect WiFi network

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

• Start httpd Web Camera Server

  startCameraServer();

app_httpd.cpp

• Setup Web Server endpoint

    if (httpd_start(&camera_httpd, &config) == ESP_OK) {
        httpd_register_uri_handler(camera_httpd, &index_uri);
        httpd_register_uri_handler(camera_httpd, &cmd_uri);
        httpd_register_uri_handler(camera_httpd, &status_uri);
        httpd_register_uri_handler(camera_httpd, &capture_uri);
    }

• index landing page callback to read camera source and publish camera image

static esp_err_t index_handler(httpd_req_t *req){
    httpd_resp_set_type(req, "text/html");
    httpd_resp_set_hdr(req, "Content-Encoding", "gzip");
    sensor_t * s = esp_camera_sensor_get();
    if (s->id.PID == OV3660_PID) {
        return httpd_resp_send(req, (const char *)index_ov3660_html_gz, index_ov3660_html_gz_len);
    }
    return httpd_resp_send(req, (const char *)index_ov2640_html_gz, index_ov2640_html_gz_len);
}

• streaming of camera source

static esp_err_t stream_handler(httpd_req_t *req){
    camera_fb_t * fb = NULL;
    esp_err_t res = ESP_OK;
    size_t _jpg_buf_len = 0;