/* Rui Santos Complete project details at https://RandomNerdTutorials.com/esp32-cam-post-image-photo-server/ Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. */ #include #include #include "soc/soc.h" #include "soc/rtc_cntl_reg.h" #include "esp_camera.h" #include const char* ssid = "goldin_lab1"; const char* password = "goldin53743001"; String serverName = "60.250.156.230"; // REPLACE WITH YOUR Raspberry Pi IP ADDRESS //String serverName = "example.com"; // OR REPLACE WITH YOUR DOMAIN NAME String serverPath = "/upload.php"; // The default serverPath should be upload.php const int serverPort = 80; const char* websocket_server_host = "60.250.156.230"; const uint16_t websocket_server_port = 8093; void startCameraServer(); using namespace websockets; WebsocketsClient webSocketClient; WiFiClient client; // CAMERA_MODEL_AI_THINKER #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 int timerInterval = 30000; // time between each HTTP POST image unsigned long previousMillis = 0; // last time image was sent void setup() { WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); Serial.begin(115200); webSocketClient.send("Hi Server!"); WiFi.mode(WIFI_STA); Serial.println(); Serial.print("Connecting to "); Serial.println(ssid); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { Serial.print("."); delay(500); } Serial.println(); Serial.print("ESP32-CAM IP Address: "); Serial.println(WiFi.localIP()); 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; // init with high specs to pre-allocate larger buffers if(psramFound()){ config.frame_size = FRAMESIZE_SVGA; config.jpeg_quality = 10; //0-63 lower number means higher quality config.fb_count = 2; } else { config.frame_size = FRAMESIZE_CIF; config.jpeg_quality = 12; //0-63 lower number means higher quality config.fb_count = 1; } // camera init esp_err_t err = esp_camera_init(&config); if (err != ESP_OK) { Serial.printf("Camera init failed with error 0x%x", err); delay(1000); ESP.restart(); } sendPhoto(); while(!webSocketClient.connect(websocket_server_host, websocket_server_port, "/")){ delay(500); Serial.print("."); } Serial.println("Websocket Connected!"); } void loop() { unsigned long currentMillis = millis(); if (currentMillis - previousMillis >= timerInterval) { sendPhoto(); previousMillis = currentMillis; } } String sendPhoto() { String getAll; String getBody; camera_fb_t * fb = NULL; fb = esp_camera_fb_get(); if(!fb) { Serial.println("Camera capture failed"); delay(1000); ESP.restart(); } webSocketClientent.sendBinary((const char*) fb->buf, fb->len); while(!webSocketClient.connect(websocket_server_host, websocket_server_port, "/")){ delay(500); Serial.print("."); } Serial.println("Websocket Connected!"); Serial.println("Connecting to server: " + serverName); if (client.connect(serverName.c_str(), serverPort)) { Serial.println("Connection successful!"); String head = "--RandomNerdTutorials\r\nContent-Disposition: form-data; name=\"imageFile\"; filename=\"esp32-cam.jpg\"\r\nContent-Type: image/jpeg\r\n\r\n"; String tail = "\r\n--RandomNerdTutorials--\r\n"; uint32_t imageLen = fb->len; uint32_t extraLen = head.length() + tail.length(); uint32_t totalLen = imageLen + extraLen; client.println("POST " + serverPath + " HTTP/1.1"); client.println("Host: " + serverName); client.println("Content-Length: " + String(totalLen)); client.println("Content-Type: multipart/form-data; boundary=RandomNerdTutorials"); client.println(); client.print(head); uint8_t *fbBuf = fb->buf; size_t fbLen = fb->len; for (size_t n=0; n0) { size_t remainder = fbLen%1024; client.write(fbBuf, remainder); } } client.print(tail); esp_camera_fb_return(fb); int timoutTimer = 10000; long startTimer = millis(); boolean state = false; while ((startTimer + timoutTimer) > millis()) { Serial.print("."); delay(100); while (client.available()) { char c = client.read(); if (c == '\n') { if (getAll.length()==0) { state=true; } getAll = ""; } else if (c != '\r') { getAll += String(c); } if (state==true) { getBody += String(c); } startTimer = millis(); } if (getBody.length()>0) { break; } } Serial.println(); client.stop(); Serial.println(getBody); } else { getBody = "Connection to " + serverName + " failed."; Serial.println(getBody); } return getBody; }