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flask_test.ino
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flask_test.ino
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#include <HTTPClient.h>
#include <WiFi.h>
#include <esp_camera.h>
#include <DHTesp.h>
DHTesp dht;
#define 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 char* ssid = "nas";
const char* password = "kali0912!@#";
const char* serverIP = "3.39.224.161";
const int serverPort = 1234;
const int soilMoisturePin = 12;
const int cdsPin = 13;
const long imageInterval = 30000;
unsigned long lastImageCaptureTime = 0;
int readSoilMoisture() {
return analogRead(soilMoisturePin);
}
int readCDS() {
return analogRead(cdsPin);
}
void captureAndSendImage() {
camera_fb_t* fb = esp_camera_fb_get();
if (!fb) {
Serial.println("Failed to capture image");
return;
}
HTTPClient http;
http.begin("http://" + String(serverIP) + ":" + String(serverPort) + "/upload_image");
http.addHeader("Content-Type", "image/jpeg");
http.addHeader("Content-Length", String(fb->len));
int httpResponseCode = http.POST(fb->buf, fb->len);
if (httpResponseCode > 0) {
Serial.println("Image uploaded successfully");
} else {
Serial.print("Image upload failed, error code: ");
Serial.println(httpResponseCode);
}
http.end();
esp_camera_fb_return(fb);
}
void setup() {
Serial.begin(115200);
dht.setup(15, DHTesp::DHT_MODEL_t::DHT22);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}
Serial.println("Connected to WiFi");
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_VGA; // 640x480
config.jpeg_quality = 10;
config.fb_count = 2;
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
Serial.printf("Camera initialization failed with error 0x%x", err);
return;
}
}
void loop() {
unsigned long currentTime = millis();
if (currentTime - lastImageCaptureTime >= imageInterval) {
lastImageCaptureTime = currentTime;
captureAndSendImage();
}
float soilMoisture = readSoilMoisture();
float cdsValue = readCDS();
// float temp = dht.getTemperature();
// float humi = dht.getHumidity();
float temp = 0.00;
float humi = 0.00;
String sensorData = "soil=" + String(soilMoisture) + "&cds=" + String(cdsValue) + "&Temp=" + String(temp) + "&humi=" + String(humi);
HTTPClient http;
Serial.println(sensorData);
http.begin("http://" + String(serverIP) + ":" + String(serverPort) + "/upload_sensor_data");
http.addHeader("Content-Type", "application/x-www-form-urlencoded");
int httpResponseCode = http.POST(sensorData);
if (httpResponseCode > 0) {
Serial.println("Sensor data uploaded successfully");
} else {
Serial.print("Sensor data upload failed, error code: ");
Serial.println(httpResponseCode);
}
http.end();
delay(30000);
}