Tag: Arduino

#include <Arduino.h>
#include <WiFi.h>
#include <WiFiClientSecure.h>
#include "soc/soc.h"
#include "soc/rtc_cntl_reg.h"
#include "esp_camera.h"
#include <UniversalTelegramBot.h>
#include <ArduinoJson.h>

const char* ssid = "AncII";
const char* password = "eureka26";

// Initialize Telegram BOT
String BOTtoken = "5372751881:AAHV3RKHUXZFYgYT4k7h25XdQMlR1CR1ruI";  // your Bot Token (Get from Botfather)

String CHAT_ID = "1141844942";

bool sendPhoto = false;
bool engaged = false;
bool flashState = 0;

WiFiClientSecure clientTCP;
UniversalTelegramBot bot(BOTtoken, clientTCP);

#define FLASH_LED_PIN 4
#define motionSensor 14
#define lidCoverSensor 15
#define buzzer 16
//coonect GSM Module RX pin to ESP32 Pin 12
//connect GSM Module TX pin to ESP32 Pin 13
#define rxPin 12
#define txPin 13
#define BAUD_RATE 115200
HardwareSerial sim800(1);

int readPirSensor, readReedSensor;


//Checks for new messages every 1 second.
int botRequestDelay = 1000;
unsigned long lastTimeBotRan;

//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


void configInitCamera(){
  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_UXGA;
    config.jpeg_quality = 10;  //0-63 lower number means higher quality
    config.fb_count = 2;
  } else {
    config.frame_size = FRAMESIZE_SVGA;
    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();
  }

  // Drop down frame size for higher initial frame rate
  sensor_t * s = esp_camera_sensor_get();
  s->set_framesize(s, FRAMESIZE_CIF);  //UXGA|SXGA|XGA|SVGA|VGA|CIF|QVGA|HQVGA|QQVGA
}


bool pirSensor() {
  //read the pushbutton value into a variable
   readPirSensor = digitalRead(motionSensor);
//   Serial.print("Motion Sensor: ");
//       Serial.println(readPirSensor);
return readPirSensor;
}

bool lidCover() {
  //read the pushbutton value into a variable
   readReedSensor = digitalRead(lidCoverSensor);
//   Serial.print("lid cover: ");
//       Serial.println(readReedSensor);
return readReedSensor;

}


void handleNewMessages(int numNewMessages) {
  Serial.print("Handle New Messages: ");
  Serial.println(numNewMessages);
for (int i = 0; i < numNewMessages; i++) {
    String chat_id = String(bot.messages[i].chat_id);
    if (chat_id != CHAT_ID){
      bot.sendMessage(chat_id, "Unauthorized user", "");
      continue;
    }
    
    // Print the received message
    String text = bot.messages[i].text;
    Serial.println(text);
    
    String from_name = bot.messages[i].from_name;
    if (text == "/start") {
      String welcome = "Welcome , " + from_name + "\n";
      welcome += "Use the following commands to interact with the ESP32-CAM \n";
      welcome += "/arm : to arm the device\n";
      welcome += "/disarm : to disarm the device\n";
      welcome += "/photo : takes a new photo\n";
      welcome += "/flashLightOn : turn on flash \n";
      welcome += "/flashLightOff : turn off flash \n";
      bot.sendMessage(CHAT_ID, welcome, "");
    }

    if(text == "/arm"){
       engaged = true;
      Serial.println("system armed");
      bot.sendMessage(CHAT_ID, "System is armed", "");
        
    }

    if(text == "/disarm"){
       engaged = false;
      Serial.println("system disarmed"); 
      bot.sendMessage(CHAT_ID, "System is disarmed", ""); 
    }
    
    if (text == "/flashLightOn") {
      digitalWrite(FLASH_LED_PIN, HIGH);
      Serial.println("flash LED on");
      String flashStatus = "Sir " + from_name + "\n";
      flashStatus += "flash of ESP32-CAM turned on \n";
      bot.sendMessage(CHAT_ID, flashStatus, "");
    }

    if (text == "/flashLightOff") {
      digitalWrite(FLASH_LED_PIN, LOW);
      Serial.println("flash LED off");
      String flashStatus = "Sir " + from_name + "\n";
      flashStatus += "flash of ESP32-CAM turned off \n";
      bot.sendMessage(CHAT_ID, flashStatus, "");
    }
    
    if (text == "/photo") {
            sendPhoto = true;
      Serial.println("New photo request");
    }
  }
}


 

String sendPhotoTelegram() {
  const char* myDomain = "api.telegram.org";
  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();
    return "Camera capture failed";
  }  
  
  Serial.println("Connect to " + String(myDomain));


  if (clientTCP.connect(myDomain, 443)) {
    Serial.println("Connection successful");
    
    String head = "--Anc\r\nContent-Disposition: form-data; name=\"chat_id\"; \r\n\r\n" + CHAT_ID + "\r\n--Anc\r\nContent-Disposition: form-data; name=\"photo\"; filename=\"esp32-cam.jpg\"\r\nContent-Type: image/jpeg\r\n\r\n";
    String tail = "\r\n--Anc--\r\n";

    uint16_t imageLen = fb->len;
    uint16_t extraLen = head.length() + tail.length();
    uint16_t totalLen = imageLen + extraLen;
  
    clientTCP.println("POST /bot"+BOTtoken+"/sendPhoto HTTP/1.1");
    clientTCP.println("Host: " + String(myDomain));
    clientTCP.println("Content-Length: " + String(totalLen));
    clientTCP.println("Content-Type: multipart/form-data; boundary=Anc");
    clientTCP.println();
    clientTCP.print(head);
  
    uint8_t *fbBuf = fb->buf;
    size_t fbLen = fb->len;
    for (size_t n=0;n<fbLen;n=n+1024) {
      if (n+1024<fbLen) {
        clientTCP.write(fbBuf, 1024);
        fbBuf += 1024;
      }
      else if (fbLen%1024>0) {
        size_t remainder = fbLen%1024;
        clientTCP.write(fbBuf, remainder);
      }
    }  
    
    clientTCP.print(tail);
    
    esp_camera_fb_return(fb);
    
    int waitTime = 10000;   // timeout 10 seconds
    long startTimer = millis();
    boolean state = false;
    
    while ((startTimer + waitTime) > millis()){
      Serial.print(".");
      delay(100);      
      while (clientTCP.available()) {
        char c = clientTCP.read();
        if (state==true) getBody += String(c);        
        if (c == '\n') {
          if (getAll.length()==0) state=true; 
          getAll = "";
        } 
        else if (c != '\r')
          getAll += String(c);
        startTimer = millis();
      }
      if (getBody.length()>0) break;
    }
    clientTCP.stop();
    Serial.println(getBody);
  }
  else {
    getBody="Connected to api.telegram.org failed.";
    Serial.println("Connected to api.telegram.org failed.");
  }
  return getBody;
}

void setup(){
  WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); 
  // Init Serial Monitor
  Serial.begin(115200);
  sim800.begin(BAUD_RATE, SERIAL_8N1, rxPin, txPin);
  


  // Set LED Flash as output
  pinMode(FLASH_LED_PIN, OUTPUT);
  pinMode(motionSensor, INPUT_PULLUP);
  pinMode(lidCoverSensor, INPUT_PULLUP);
  pinMode(buzzer, OUTPUT);
  digitalWrite(buzzer, LOW);

  // Config and init the camera
  configInitCamera();

  // Connect to Wi-Fi
  WiFi.mode(WIFI_STA);
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);
  clientTCP.setCACert(TELEGRAM_CERTIFICATE_ROOT); // Add root certificate for api.telegram.org
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }
  Serial.println();
  Serial.print("ESP32-CAM IP Address: ");
  Serial.println(WiFi.localIP()); 
 
}


void sendSMS(){
       sim800.println("AT"); //Once the handshake test is successful, it will back to OK
  updateSerial();

  sim800.println("AT+CMGF=1"); // Configuring TEXT mode
  updateSerial();
  sim800.println("AT+CMGS=\"+2349024795241\"\r\n");//change ZZ with country code and xxxxxxxxxxx with phone number to sms
  updateSerial();
  sim800.print("Motion/Lid Open Detection Alert"); //text content
  updateSerial();
  sim800.write(26);
}


void makeCall(){
  sim800.println("AT"); //Once the handshake test is successful, i t will back to OK
  updateSerial();
  
  sim800.println("ATD+ +2349024795241;"); //  change ZZ with country code and xxxxxxxxxxx with phone number to dial
  updateSerial();
  delay(10000); // wait for 20 seconds...
  sim800.println("ATH"); //hang up
  updateSerial();
}



void alarm(){
  digitalWrite(buzzer, HIGH);
  delay(6000);
  digitalWrite(buzzer, LOW);
}



void updateSerial(){
  delay(500);
  while (Serial.available()) {
    sim800.print(Serial.read());//Forward what Serial received to Software Serial Port
  }
  while(sim800.available()) 
  {
    Serial.write(sim800.read());//Forward what Software Serial received to Serial Port
  }
}



void loop() {
  pirSensor();
lidCover();

while(Serial.available())  {
  sim800.println(Serial.readString());
}

//
//Serial.print("Engaged state: ");
//Serial.print(engaged);
//Serial.print("reed sensor: ");
//Serial.println(readReedSensor);
//delay(500);

if((engaged == 1) && (readPirSensor == 0)){
Serial.println("Preparing photo");
 bot.sendMessage(CHAT_ID, "Motion Detected \nHere is Picture", "");
    sendPhotoTelegram(); 
    sendPhoto = false;
    alarm();
    delay(2000); 
    makeCall();
    sendSMS();
}

if((engaged == 1) && (readReedSensor == 1)){
Serial.println("Preparing photo");
 bot.sendMessage(CHAT_ID, "Manhole Lid Opened \nHere is Picture", "");
    sendPhotoTelegram(); 
    sendPhoto = false; 
    alarm();
    delay(2000);
    makeCall();
    sendSMS();
}

   if (sendPhoto) {
    Serial.println("Preparing photo");
    sendPhotoTelegram(); 
    sendPhoto = false; 
  }

  
  if (millis() > lastTimeBotRan + botRequestDelay)  {
    int numNewMessages = bot.getUpdates(bot.last_message_received + 1);
    while (numNewMessages) {
      Serial.println("got response");
      handleNewMessages(numNewMessages);
      numNewMessages = bot.getUpdates(bot.last_message_received + 1);
    }
    lastTimeBotRan = millis();
  }
}