camera-setup.ino

#include "WiFi.h"
#include "ESPAsyncWebSrv.h"
#include "esp_camera.h"
 
#define PWDN_GPIO_NUM     32
#define RESET_GPIO_NUM    -1
#define XCLK_GPIO_NUM      0
#define SIOD_GPIO_NUM     26
#define SIOC_GPIO_NUM     27
#define Y9_GPIO_NUM       35
#define Y8_GPIO_NUM       34
#define Y7_GPIO_NUM       39
#define Y6_GPIO_NUM       36
#define Y5_GPIO_NUM       21
#define Y4_GPIO_NUM       19
#define Y3_GPIO_NUM       18
#define Y2_GPIO_NUM        5
#define VSYNC_GPIO_NUM    25
#define HREF_GPIO_NUM     23
#define PCLK_GPIO_NUM     22
 
const char* ssid = "Tufts_Robot";
const char* password = "";
 
AsyncWebServer server(80);
 
bool initCamera(){
  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; 
  config.frame_size = FRAMESIZE_QQVGA;
  config.jpeg_quality = 10;
  config.fb_count = 1;
    
  esp_err_t result = esp_camera_init(&config);
  if (result != ESP_OK) {
    return false;
  }
  return true;
}
 
void setup() {
  Serial.begin(115200);
  if(!initCamera()){
    Serial.printf("!Camera failed to initialize!");
    return;  
  }
   
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
  }
  
  Serial.println(WiFi.localIP());
  server.on("/picture", HTTP_GET, [](AsyncWebServerRequest * request) {
    camera_fb_t * frame = NULL;
    frame = esp_camera_fb_get();
    request->send_P(200, "image/jpeg", (const uint8_t *)frame->buf, frame->len);
    esp_camera_fb_return(frame);
  });
  server.begin();
}
void loop(){
  
}