우노빅보드 스마트팜 동작 테스트

 

스마트팜 구현에 필요한 센서 / 제어 / 데이터 통신 를 연결하여 기본 동작 테스트를 진행합니다.

 

#include <SoftwareSerial.h>
#include <Servo.h>

#define DEBUG true
#define USE_NETWORK false

#define RXPIN 3
#define TXPIN 2
SoftwareSerial esp8266Serial(RXPIN,TXPIN); 
// Pin 2 & 3 of Arduino as RX and TX. Connect TX and RX of ESP8266 respectively.

//=====================================================================

#include <DHT.h>
#include <DHT_U.h>

#define DHTPIN 4
#define DHTTYPE DHT11

#define SERVOPIN 5
int angle = 0;
Servo servo; 

#define LIGHTPIN 6

#define FAN_PIN 7

#define WATER_PUMP_PIN 8

DHT dht(DHTPIN, DHTTYPE);

// ?占쏙옙? ???? ?????? ???
int temperature, humidity;

// LCD ????占쏙옙??
#include <Wire.h>
#include <LiquidCrystal_I2C.h>


// ?占쏙옙? ?????? ?占쏙옙??? ?????? ?????
int request_humidity_temperature()
{
	int err;


	float h = dht.readHumidity();
	float t = dht.readTemperature();
	//Serial.print(h);
	//Serial.print(',');
	//Serial.println(t);

	temperature = (int)t;
	humidity = (int)h;
    
  return err;
}

//=====================================================================

String esp8266Data(String command, const int timeout, boolean debug)

  {

	if (debug)
    {
		Serial.print("CMD: ");
      Serial.println(command);
    }
		
    String response = "";
    esp8266Serial.print(command);
    long int time = millis();
    while ( (time + timeout) > millis())
      {
        while (esp8266Serial.available())
          {
            char c = esp8266Serial.read();
            response += c;
          }
      }
    if (debug)
    {
      Serial.print(response);
    }

    return response;
  }

bool bConnected = false;

LiquidCrystal_I2C lcd(0x39, 16, 2);

void printLCD(int col, int row , unsigned long value) {
 
    char str[21] = { 0x00, };
    sprintf(str, "%lu", value);
    
    for(int i=0 ; i < strlen(str) ; i++){
      lcd.setCursor(col+i , row);
      lcd.print(str[i]);
    }
}
 
void printLCD(int col, int row , char *str) {
    for(int i=0 ; i < strlen(str) ; i++){
      lcd.setCursor(col+i , row);
      lcd.print(str[i]);
    }
}
 
void printLCD_M(int col, int row , char * str) { // MIDDLE
    int i = 0;
    i = (20-col-strlen(str)) / 2;
    int j = 0;
    for( ; j < strlen(str) ; j++){
      lcd.setCursor(col+i+j , row);
      lcd.print(str[j]);
    }
}

String readStr, writeStr;

void SendToClient(String s)
{
    writeStr = s;
    //Serial.println("\nAT+CIPSEND=" + String(writeStr.length() + 2));
    //delay(100);
    esp8266Serial.println("AT+CIPSEND=0," + String(writeStr.length() + 2));
 

    // Serial.print(millis()); Serial.print("= ");
    String result = "";
    char ch = 0x00;

    while(ch != 0x00) 
    {  
      if(0 < esp8266Serial.available()) {
         ch = esp8266Serial.read();
         result += ch;
     }
     delay(1);

    };

    Serial.print("result=");
    Serial.println(result);
    //readStr = esp8266Serial.readString();
    //Serial.print(readStr);

    delay(10);

    //Serial.println("\n" + writeStr +"\n\r");
    esp8266Serial.println(writeStr);
    return;
}

 

void OpenSession()
{
   // esp8266Data("AT+CIPSTART=\"UDP\",\"192.168.0.3\",50000\r\n", 5000, DEBUG);
   esp8266Data("AT+CIPSTART=0, \"TCP\",\"192.168.0.3\",60000\r\n", 5000, DEBUG);
   bConnected = true;
   return; 
}

 

void CloseSession()
{
   esp8266Serial.println("AT+CIPCLOSE=0");
   return;
}


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);

  while (!Serial) {
    ; // wait for serial port to connect. Needed for native USB port only
  }

  Serial.println("ESP8266 TEST");
  // set the data rate for the SoftwareSerial port

    lcd.begin();
    printLCD(0, 0, "UNO BIGBOARD");
    printLCD(0, 1, "SMARTFARM");  

#if USE_NETWORK
  esp8266Serial.begin(9600);
  esp8266Data("AT+RST\r\n", 5000, DEBUG); // Reset the ESP8266
  esp8266Data("AT+CWMODE=1\r\n", 5000, DEBUG); //Set station mode Operation
  esp8266Data("AT+CWJAP=\"ZEROWIN\",\"zzzzzzzz\"\r\n", 5000, DEBUG);//Enter your WiFi network's SSID and Password.
  esp8266Data("AT+CIFSR\r\n", 5000, DEBUG);//You will get the IP Address of the ESP8266 from this command. 
  esp8266Data("AT+CIPMUX=1\r\n", 5000, DEBUG);
  esp8266Data("AT+CIPSERVER=1,500001\r\n", 5000, DEBUG);
#endif

  dht.begin();

  servo.attach(SERVOPIN); 

  pinMode(LIGHTPIN, OUTPUT);

  pinMode(FAN_PIN, OUTPUT);
  pinMode(WATER_PUMP_PIN, OUTPUT);

 	OpenSession();
}

int cdcValue = 0;
int waterValue = 0;
int lightOutput = 0;
int fanOutput = 0;
int waterPumpPin = 0;

char sendData[64] = "";

void loop() {
  // put your main code here, to run repeatedly:
  
  cdcValue = analogRead(0);
  //Serial.print(cdcValue); Serial.print(",");
  
  waterValue = analogRead(1);
  //Serial.print(waterValue); Serial.print(",");

  request_humidity_temperature();

  sprintf(sendData, "D_%d,%d,%d,%d", temperature, humidity, cdcValue, waterValue);
  SendToClient(sendData);
  Serial.println(sendData);


        String result2 = "";
        while(0 < esp8266Serial.available()) {
           char ch = esp8266Serial.read();
           result2 += ch;
        }
      Serial.print("result2=");
      Serial.println(result2);
	  
	  
      int firstListItem = result2.indexOf("link is not");

      if(firstListItem != -1) {
        CloseSession();
        delay(100);
        OpenSession();
      }

      else {

        // +IPD,12:1023,681,310

        firstListItem = result2.indexOf("+IPD");
        if(firstListItem != -1) {
          firstListItem += 5;

          int secondListItem = result2.substring(firstListItem).indexOf(":");
          if(secondListItem != -1) {
		  	
            String dataLen = result2.substring(firstListItem, firstListItem + secondListItem);
            int len = dataLen.toInt();
          
            Serial.print("dataLen=");
            Serial.println(dataLen);

            String data = result2.substring(firstListItem + secondListItem + 1, 
            firstListItem + secondListItem + 1 + len);

            Serial.print("data=");
            Serial.println(data);

          }

        }

      }

      

  angle += 10;
  if(90 < angle) angle = 0;
  servo.write(angle); 

  lightOutput = !lightOutput;
  digitalWrite(LIGHTPIN, lightOutput);

    fanOutput = !fanOutput;
  digitalWrite(FAN_PIN, fanOutput);


    waterPumpPin = !waterPumpPin;
  digitalWrite(WATER_PUMP_PIN, waterPumpPin);
  
  delay(1000); 

}

 

 

시리얼 모니터에서 수집된 센서 데이터를 볼 수 있습니다.

또한 네트워크, 블루투스를 이용하여 스마트폰앱, Node-RED 웹서버로 데이터를 전송합니다.