Create fotokapan.ino
This commit is contained in:
FURK4NGG
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#include "esp_camera.h"
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#include "SD_MMC.h"
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#include "FS.h"
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#include <WiFi.h>
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#include <WebServer.h>
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#define CAMERA_MODEL_AI_THINKER
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#include "camera_pins.h"
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const char *photoPrefix = "/photo_";
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int photoNumber = 0;
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#define PIR_PIN 13
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#define MODE_PIN 12 // Connect to GND at boot for Web Server Mode
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#define FLASH_GPIO_NUM 4
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unsigned long lastTrigger = 0;
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const unsigned long cooldown = 5000;
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const char* ap_ssid = "Fotokapan";
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const char* ap_password = "12345678";
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WebServer server(80);
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bool webMode = false;
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void setup() {
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Serial.begin(115200);
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Serial.setDebugOutput(false);
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delay(1000);
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Serial.println("\nESP32-CAM Camera Trap Starting...");
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pinMode(PIR_PIN, INPUT);
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pinMode(MODE_PIN, INPUT_PULLUP);
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pinMode(FLASH_GPIO_NUM, OUTPUT);
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digitalWrite(FLASH_GPIO_NUM, LOW);
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webMode = (digitalRead(MODE_PIN) == LOW);
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if (webMode) {
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Serial.println("MODE_PIN GND: Web Server Mode");
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} else {
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Serial.println("MODE_PIN HIGH: Camera Trap Mode");
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}
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if (!startCamera()) {
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Serial.println("Camera initialization failed!");
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return;
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}
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Serial.println("Initializing SD card...");
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if (!SD_MMC.begin("/sdcard", true)) {
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Serial.println("SD card initialization failed!");
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return;
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}
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if (SD_MMC.cardType() == CARD_NONE) {
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Serial.println("No SD card detected!");
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return;
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}
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Serial.println("SD card initialized.");
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if (webMode) {
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startWebServer();
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} else {
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int lastPhoto = getLastPhotoNumber();
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photoNumber = lastPhoto + 1;
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Serial.printf("Last photo: %d, next photo: photo_%d.jpg\n", lastPhoto, photoNumber);
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Serial.println("Camera trap ready.");
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}
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}
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void loop() {
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if (webMode) {
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server.handleClient();
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return;
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}
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if (digitalRead(PIR_PIN) == HIGH && millis() - lastTrigger > cooldown) {
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lastTrigger = millis();
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Serial.println("Motion detected.");
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takePhoto();
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}
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}
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bool startCamera() {
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camera_config_t config;
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config.ledc_channel = LEDC_CHANNEL_0;
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config.ledc_timer = LEDC_TIMER_0;
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config.pin_d0 = Y2_GPIO_NUM;
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config.pin_d1 = Y3_GPIO_NUM;
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config.pin_d2 = Y4_GPIO_NUM;
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config.pin_d3 = Y5_GPIO_NUM;
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config.pin_d4 = Y6_GPIO_NUM;
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config.pin_d5 = Y7_GPIO_NUM;
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config.pin_d6 = Y8_GPIO_NUM;
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config.pin_d7 = Y9_GPIO_NUM;
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config.pin_xclk = XCLK_GPIO_NUM;
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config.pin_pclk = PCLK_GPIO_NUM;
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config.pin_vsync = VSYNC_GPIO_NUM;
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config.pin_href = HREF_GPIO_NUM;
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config.pin_sscb_sda = SIOD_GPIO_NUM;
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config.pin_sscb_scl = SIOC_GPIO_NUM;
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config.pin_pwdn = PWDN_GPIO_NUM;
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config.pin_reset = RESET_GPIO_NUM;
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config.xclk_freq_hz = 20000000;
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config.pixel_format = PIXFORMAT_JPEG;
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if (psramFound()) {
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config.frame_size = FRAMESIZE_SVGA;
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config.jpeg_quality = 10;
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config.fb_count = 2;
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} else {
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config.frame_size = FRAMESIZE_VGA;
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config.jpeg_quality = 12;
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config.fb_count = 1;
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config.fb_location = CAMERA_FB_IN_DRAM;
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}
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esp_err_t err = esp_camera_init(&config);
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if (err != ESP_OK) {
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Serial.printf("Camera error code: 0x%x\n", err);
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return false;
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}
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Serial.println("Camera initialized.");
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return true;
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}
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void takePhoto() {
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digitalWrite(FLASH_GPIO_NUM, HIGH);
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delay(300);
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for (int i = 0; i < 3; i++) {
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camera_fb_t *discard = esp_camera_fb_get();
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if (discard) {
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esp_camera_fb_return(discard);
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}
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delay(120);
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}
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camera_fb_t *fb = esp_camera_fb_get();
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if (!fb) {
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Serial.println("Photo capture failed!");
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digitalWrite(FLASH_GPIO_NUM, LOW);
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return;
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}
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String photoFileName = String(photoPrefix) + String(photoNumber) + ".jpg";
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Serial.printf("File name: %s\n", photoFileName.c_str());
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File file = SD_MMC.open(photoFileName, FILE_WRITE);
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if (!file) {
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Serial.println("SD card write error!");
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} else {
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file.write(fb->buf, fb->len);
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file.close();
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Serial.printf("Saved: %s, size: %d bytes\n", photoFileName.c_str(), fb->len);
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photoNumber++;
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}
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esp_camera_fb_return(fb);
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delay(200);
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digitalWrite(FLASH_GPIO_NUM, LOW);
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}
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int extractPhotoNumber(String name) {
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name.toLowerCase();
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int photoIndex = name.indexOf("photo_");
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int jpgIndex = name.indexOf(".jpg");
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if (photoIndex < 0 || jpgIndex < 0 || jpgIndex <= photoIndex + 6) {
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return -1;
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}
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String numStr = name.substring(photoIndex + 6, jpgIndex);
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return numStr.toInt();
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}
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int getLastPhotoNumber() {
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int maxNum = -1;
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File root = SD_MMC.open("/");
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if (!root) {
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Serial.println("Failed to open SD directory!");
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return -1;
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}
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root.rewindDirectory();
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File file = root.openNextFile();
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while (file) {
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if (!file.isDirectory()) {
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String name = file.name();
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int num = extractPhotoNumber(name);
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if (num > maxNum) {
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maxNum = num;
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}
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}
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file.close();
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file = root.openNextFile();
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}
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root.close();
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return maxNum;
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}
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void startWebServer() {
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WiFi.mode(WIFI_AP);
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WiFi.softAP(ap_ssid, ap_password);
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IPAddress IP = WiFi.softAPIP();
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Serial.println("Web server active.");
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Serial.print("WiFi: ");
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Serial.println(ap_ssid);
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Serial.print("Password: ");
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Serial.println(ap_password);
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Serial.print("Address: http://");
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Serial.println(IP);
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server.on("/", handleRoot);
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server.on("/download", handleDownload);
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server.on("/delete", handleDelete);
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server.begin();
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}
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void handleRoot() {
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String html = "";
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html += "<!DOCTYPE html><html><head>";
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html += "<meta charset='UTF-8'>";
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html += "<meta name='viewport' content='width=device-width, initial-scale=1'>";
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html += "<title>Camera Trap SD Card</title>";
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html += "<style>";
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html += "body{font-family:Arial;background:#111;color:#eee;padding:20px;}";
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html += "a{color:#4da3ff;text-decoration:none;}";
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html += ".card{background:#222;padding:12px;margin:10px 0;border-radius:8px;}";
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html += "</style>";
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html += "</head><body>";
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html += "<h2>Camera Trap SD Card</h2>";
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html += "<p>You can download photos stored on the SD card from here.</p>";
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File root = SD_MMC.open("/");
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if (!root) {
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html += "<p>Failed to open SD card directory.</p>";
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html += "</body></html>";
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server.send(500, "text/html", html);
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return;
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}
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File file = root.openNextFile();
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bool found = false;
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while (file) {
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if (!file.isDirectory()) {
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String name = file.name();
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if (name.endsWith(".jpg") || name.endsWith(".JPG")) {
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found = true;
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html += "<div class='card'>";
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html += name;
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html += " - ";
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html += String(file.size());
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html += " bytes<br><br>";
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html += "<a href='/download?file=";
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html += name;
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html += "'>Download</a>";
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html += " | ";
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html += "<a href='/delete?file=";
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html += name;
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html += "' onclick=\"return confirm('Delete this file?');\">Delete</a>";
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html += "</div>";
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}
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}
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file.close();
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file = root.openNextFile();
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}
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root.close();
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if (!found) {
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html += "<p>No photos found on the SD card.</p>";
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}
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html += "</body></html>";
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server.send(200, "text/html", html);
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}
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void handleDownload() {
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if (!server.hasArg("file")) {
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server.send(400, "text/plain", "No file specified.");
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return;
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}
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String path = server.arg("file");
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if (!path.startsWith("/")) {
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path = "/" + path;
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}
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File file = SD_MMC.open(path, FILE_READ);
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if (!file) {
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server.send(404, "text/plain", "File not found.");
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return;
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}
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server.streamFile(file, "image/jpeg");
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file.close();
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}
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void handleDelete() {
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if (!server.hasArg("file")) {
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server.send(400, "text/plain", "No file specified.");
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return;
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}
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String path = server.arg("file");
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if (!path.startsWith("/")) {
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path = "/" + path;
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}
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if (SD_MMC.remove(path)) {
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server.sendHeader("Location", "/");
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server.send(303);
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} else {
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server.send(500, "text/plain", "Failed to delete file.");
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}
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}
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