//Program created by Daniela F

//Library
#include <SendOnlySoftwareSerial.h>

#define TX 1

SendOnlySoftwareSerial CustomSerial(TX);
//--FC32 pin declaration   - soil moisture
int msensor = A7;

//-- LED pins declaration
int redpin = 11; //select the pin for the red LED
int bluepin = 10; // select the pin for the  blue LED
int greenpin = 9; // select the pin for the green LED

const int A = 0;     //value dry
const int B = 20;     //value wet


//--auxiliar Variables
int humedad = 0; //FC32
int humedadmap = 0;
int minhumedad = 20;

void setup()
{
  //declare pins
  pinMode(A7, INPUT);
  pinMode(redpin, OUTPUT);
  pinMode(bluepin, OUTPUT);
  pinMode(greenpin, OUTPUT);

  //Initalize serial comunication
  CustomSerial.begin(9600);
}
void loop()
{
  //LEER VALORES
  //FC32
  humedad = analogRead(msensor);
  humedadmap = map(humedad, 550, 10, 0 , 100); //hace regla de 3

  //FC32 compare
  if (humedadmap <= minhumedad)
  {
    CustomSerial.println('a'); //Send the code for water needed
    digitalWrite(redpin, HIGH);
    digitalWrite(greenpin, LOW);
    digitalWrite(bluepin, LOW);
    delay(500);
  }
  else {
    // if ((humedadmap >= 0) && (humedadmap < minhumedad))
    CustomSerial.println('b'); //Send the code for water not needed
    digitalWrite(redpin, LOW);
    digitalWrite(greenpin, HIGH);
    digitalWrite(bluepin, LOW);

    delay(500);
  }
}