//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ESP32_CAM_Send_Photo_to_Server //======================================== Including the libraries. #include #include "soc/soc.h" #include "soc/rtc_cntl_reg.h" #include "esp_camera.h" #include "FS.h" #include "SD_MMC.h" //======================================== //======================================== CAMERA_MODEL_AI_THINKER GPIO. #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 //======================================== // LED Flash PIN (GPIO 4) #define FLASH_LED_PIN 4 // PIR sensor PIN (GPIO 12) #define PIR_SENSOR_PIN 12 //======================================== Insert your network credentials. const char* ssid = "Raven9"; const char* password = "takganti"; //======================================== // Server Address or Server IP. String serverName = "192.168.224.179"; //--> Change with your server computer's IP address or your Domain name. // The file path "upload_img.php" on the server folder. String serverPath = "/esp32cam/upload_img2.php"; // Server Port. const int serverPort = 80; // Variable to set capture photo with LED Flash. // Set to "false", then the Flash LED will not light up when capturing a photo. // Set to "true", then the Flash LED lights up when capturing a photo. bool LED_Flash_ON = true; // Initialize WiFiClient. WiFiClient client; //________________________________________________________________________________ savePhotoToSDCard() void savePhotoToSDCard(camera_fb_t * fb) { static int photoNumber = 0; photoNumber++; String path = "/photo" + String(photoNumber) + ".jpg"; fs::FS &fs = SD_MMC; File file = fs.open(path.c_str(), FILE_WRITE); if (!file) { Serial.println("Failed to open file in writing mode"); return; } file.write(fb->buf, fb->len); file.close(); Serial.println("Saved file to path: " + path); } //________________________________________________________________________________ sendPhotoToServer() void sendPhotoToServer() { String AllData; String DataBody; Serial.println(); Serial.println("-----------"); //---------------------------------------- Pre capture for accurate timing. Serial.println("Taking a photo..."); if (LED_Flash_ON == true) { digitalWrite(FLASH_LED_PIN, HIGH); delay(1000); } for (int i = 0; i <= 3; i++) { camera_fb_t * fb = NULL; fb = esp_camera_fb_get(); if(!fb) { Serial.println("Camera capture failed"); Serial.println("Restarting the ESP32 CAM."); delay(1000); ESP.restart(); return; } esp_camera_fb_return(fb); delay(200); } camera_fb_t * fb = NULL; fb = esp_camera_fb_get(); if(!fb) { Serial.println("Camera capture failed"); Serial.println("Restarting the ESP32 CAM."); delay(1000); ESP.restart(); return; } if (LED_Flash_ON == true) digitalWrite(FLASH_LED_PIN, LOW); Serial.println("Taking a photo was successful."); // Save photo to SD card savePhotoToSDCard(fb); //---------------------------------------- Serial.println("Connecting to server: " + serverName); if (client.connect(serverName.c_str(), serverPort)) { Serial.println("Connection successful!"); String post_data = "--dataMarker\r\nContent-Disposition: form-data; name=\"imageFile\"; filename=\"ESP32CAMCap.jpg\"\r\nContent-Type: image/jpeg\r\n\r\n"; String head = post_data; String boundary = "\r\n--dataMarker--\r\n"; uint32_t imageLen = fb->len; uint32_t dataLen = head.length() + boundary.length(); uint32_t totalLen = imageLen + dataLen; 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=dataMarker"); client.println(); client.print(head); uint8_t *fbBuf = fb->buf; size_t fbLen = fb->len; for (size_t n=0; n0> 0) { size_t remainder = fbLen%1024; client.write(fbBuf, remainder); } } client.print(boundary); esp_camera_fb_return(fb); int timoutTimer = 10000; long startTimer = millis(); boolean state = false; Serial.println("Response : "); while ((startTimer + timoutTimer) > millis()) { Serial.print("."); delay(200); // Skip HTTP headers while (client.available()) { char c = client.read(); if (c == '\n') { if (AllData.length()==0) { state=true; } AllData = ""; } else if (c != '\r') { AllData += String(c); } if (state==true) { DataBody += String(c); } startTimer = millis(); } if (DataBody.length()>0) { break; } } client.stop(); Serial.println(DataBody); Serial.println("-----------"); Serial.println(); } else { client.stop(); DataBody = "Connection to " + serverName + " failed."; Serial.println(DataBody); Serial.println("-----------"); } } //________________________________________________________________________________ //________________________________________________________________________________ VOID SETUP() void setup() { // put your setup code here, to run once: // Disable brownout detector. WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); Serial.begin(115200); Serial.println(); pinMode(FLASH_LED_PIN, OUTPUT); pinMode(PIR_SENSOR_PIN, INPUT); // Setting the ESP32 WiFi to station mode. WiFi.mode(WIFI_STA); Serial.println(); //---------------------------------------- The process of connecting ESP32 CAM with WiFi Hotspot / WiFi Router. Serial.println(); Serial.print("Connecting to : "); Serial.println(ssid); WiFi.begin(ssid, password); // The process timeout of connecting ESP32 CAM with WiFi Hotspot / WiFi Router is 20 seconds. // If within 20 seconds the ESP32 CAM has not been successfully connected to WiFi, the ESP32 CAM will restart. // I made this condition because on my ESP32-CAM, there are times when it seems like it can't connect to WiFi, so it needs to be restarted to be able to connect to WiFi. int connecting_process_timed_out = 20; //--> 20 = 20 seconds. connecting_process_timed_out = connecting_process_timed_out * 2; while (WiFi.status() != WL_CONNECTED) { Serial.print("."); delay(500); if(connecting_process_timed_out > 0) connecting_process_timed_out--; if(connecting_process_timed_out == 0) { Serial.println(); Serial.print("Failed to connect to "); Serial.println(ssid); Serial.println("Restarting the ESP32 CAM."); delay(1000); ESP.restart(); } } Serial.println(); Serial.print("Successfully connected to "); Serial.println(ssid); //Serial.print("ESP32-CAM IP Address: "); //Serial.println(WiFi.localIP()); //---------------------------------------- //---------------------------------------- Initialize SD card if(!SD_MMC.begin("/sdcard", true, true, SDMMC_FREQ_DEFAULT, 16)){ Serial.println("Card Mount Failed"); return; } uint8_t cardType = SD_MMC.cardType(); if(cardType == CARD_NONE){ Serial.println("No SD card attached"); return; } Serial.println("SD card initialized."); //---------------------------------------- //---------------------------------------- Set Camera Config 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_sccb_sda = SIOD_GPIO_NUM; config.pin_sccb_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_UXGA; // FRAMESIZE_SVGA; //--> UXGA(1600x1200) SVGA(800x600) FRAMESIZE_VGA FRAMESIZE_QVGA config.jpeg_quality = 10; config.fb_count = 2; //---------------------------------------- //---------------------------------------- Camera Init esp_err_t err = esp_camera_init(&config); if (err != ESP_OK) { Serial.printf("Camera init failed with error 0x%x", err); return; } //---------------------------------------- } //________________________________________________________________________________ VOID SETUP() //________________________________________________________________________________ VOID LOOP() void loop() { // put your main code here, to run repeatedly: if (digitalRead(PIR_SENSOR_PIN) == HIGH) { Serial.println("Motion detected, capturing photo..."); sendPhotoToServer(); delay(10000); // Delay to prevent multiple captures in quick succession } } //________________________________________________________________________________ VOID LOOP()