243 lines
6.5 KiB
C++
243 lines
6.5 KiB
C++
#include <WiFi.h>
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#include <HTTPClient.h>
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#include "esp_camera.h"
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#include <Firebase_ESP_Client.h>
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#include <time.h>
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// Wi-Fi credentials
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const char* ssid = "Test123";
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const char* password = "a?=31@#daE313-=;l.";
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// Supabase details
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const char* supabaseUrl = "https://nwlikynouhddjwyjrwnl.supabase.co";
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const char* supabaseAnonKey = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6Im53bGlreW5vdWhkZGp3eWpyd25sIiwicm9sZSI6ImFub24iLCJpYXQiOjE3NDk3Mjg3NjYsImV4cCI6MjA2NTMwNDc2Nn0.s5skPnBRa1OepnvNCX1cl3dmzLb1gEs_HnOVdKMq_dU";
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const char* bucketName = "photo";
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// Firebase details
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#define API_KEY "AIzaSyBCe-30GPJRp0p7psDH4t2D01WHPcSNIqQ"
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#define DATABASE_URL "https://apkrafi-default-rtdb.firebaseio.com/"
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FirebaseData fbdo;
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FirebaseAuth auth;
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FirebaseConfig config;
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// ESP32-CAM pin config
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#define PWDN_GPIO_NUM 32
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#define RESET_GPIO_NUM -1
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#define XCLK_GPIO_NUM 0
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#define SIOD_GPIO_NUM 26
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#define SIOC_GPIO_NUM 27
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#define Y9_GPIO_NUM 35
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#define Y8_GPIO_NUM 34
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#define Y7_GPIO_NUM 39
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#define Y6_GPIO_NUM 36
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#define Y5_GPIO_NUM 21
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#define Y4_GPIO_NUM 19
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#define Y3_GPIO_NUM 18
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#define Y2_GPIO_NUM 5
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#define VSYNC_GPIO_NUM 25
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#define HREF_GPIO_NUM 23
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#define PCLK_GPIO_NUM 22
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#define LED_GPIO_NUM 4 // Flash LED
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// Relay pin
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#define RELAY_PIN 13 // Controls the lamp
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void 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_VGA;
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config.jpeg_quality = 10;
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config.fb_count = 1;
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} else {
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config.frame_size = FRAMESIZE_QVGA;
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config.jpeg_quality = 12;
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config.fb_count = 1;
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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 init failed with error 0x%x", err);
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}
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}
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void uploadImage() {
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digitalWrite(LED_GPIO_NUM, HIGH);
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delay(1500); // Let flash stabilize the exposure
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// Flush old frame
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camera_fb_t* fb = esp_camera_fb_get();
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if (fb) {
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esp_camera_fb_return(fb);
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delay(100);
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}
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// Capture new frame
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fb = esp_camera_fb_get();
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if (!fb) {
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Serial.println("Camera capture failed");
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digitalWrite(LED_GPIO_NUM, LOW);
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return;
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}
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// Upload to Supabase
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String fileName = "latest.jpg";
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String url = String(supabaseUrl) + "/storage/v1/object/" + bucketName + "/" + fileName;
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HTTPClient http;
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http.begin(url);
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http.addHeader("Authorization", "Bearer " + String(supabaseAnonKey));
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http.addHeader("Content-Type", "image/jpeg");
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int response = http.PUT(fb->buf, fb->len);
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Serial.printf("Upload response: %d\n", response);
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if (response > 0) {
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Serial.println(http.getString());
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}
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http.end();
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esp_camera_fb_return(fb);
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digitalWrite(LED_GPIO_NUM, LOW);
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}
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void setup() {
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Serial.begin(115200);
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pinMode(LED_GPIO_NUM, OUTPUT);
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digitalWrite(LED_GPIO_NUM, LOW);
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// Relay setup
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pinMode(RELAY_PIN, OUTPUT);
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digitalWrite(RELAY_PIN, LOW); // Relay OFF at start
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("\nConnected to WiFi");
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startCamera();
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delay(1000); // Let the camera stabilize
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// Sync NTP Time (UTC)
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configTime(25200, 0, "time.google.com");
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Serial.print("Waiting for time sync");
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while (time(nullptr) < 100000) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("\nTime synced");
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// Firebase setup
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config.api_key = API_KEY;
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config.database_url = DATABASE_URL;
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Firebase.begin(&config, &auth);
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if (Firebase.signUp(&config, &auth, "", "")) {
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Serial.println("Firebase anonymous sign-up OK");
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} else {
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Serial.printf("Sign-up error: %s\n", config.signer.signupError.message.c_str());
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}
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Firebase.reconnectWiFi(true);
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}
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bool hasCaptured = false; // global flag outside loop()
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void loop() {
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if (!Firebase.ready()) {
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Serial.println("Firebase not ready");
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delay(2000);
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return;
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}
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// Read scheduled time from Firebase (e.g., "16.31")
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if (Firebase.RTDB.getString(&fbdo, "/camera/schedule")) {
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String scheduledTime = fbdo.stringData();
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Serial.printf("Scheduled capture time: %s\n", scheduledTime.c_str());
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// Get current time
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time_t now = time(nullptr);
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struct tm* timeinfo = localtime(&now);
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char currentTime[6];
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sprintf(currentTime, "%02d.%02d", timeinfo->tm_hour, timeinfo->tm_min);
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Serial.printf("Current time: %s\n", currentTime);
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// If time matches AND we haven't captured yet
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if (scheduledTime == String(currentTime) && !hasCaptured) {
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Serial.println("Time match! Capturing photo...");
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uploadImage();
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hasCaptured = true; // prevent re-capturing within same minute
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Serial.println("Capture complete. Waiting for next time.");
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}
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// Reset capture flag when the time has moved on
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if (scheduledTime != String(currentTime)) {
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hasCaptured = false;
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}
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} else {
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Serial.println("Failed to read schedule from Firebase");
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}
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// Relay control variables
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bool relayShouldTurnOn = false;
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// Check temperature
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if (Firebase.RTDB.getFloat(&fbdo, "/sensors/temperature")) {
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float temperature = fbdo.floatData();
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Serial.printf("Temperature: %.2f°C\n", temperature);
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if (temperature < 25) {
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relayShouldTurnOn = true;
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}
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} else {
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Serial.println("Failed to read temperature from Firebase");
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}
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// Check soil moisture
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if (Firebase.RTDB.getFloat(&fbdo, "/sensors/soilMoisture")) {
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float soilMoisture = fbdo.floatData();
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Serial.printf("Soil Moisture: %.2f%%\n", soilMoisture);
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if (soilMoisture > 75) {
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relayShouldTurnOn = true;
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}
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} else {
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Serial.println("Failed to read soil moisture from Firebase");
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}
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// Control relay
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if (relayShouldTurnOn) {
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digitalWrite(RELAY_PIN, HIGH); // Relay ON
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Serial.println("Relay ON (condition met)");
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} else {
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digitalWrite(RELAY_PIN, LOW); // Relay OFF
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Serial.println("Relay OFF (no condition met)");
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}
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delay(10000); // Check every 10 seconds
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}
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