//simple Tx on pin D12
// for this code to work it is important to download virtualWire Library
//..................................
#include <VirtualWire.h>
// first we name the inputs and outputs.
char *controller;
int joystickPr1=0;
int joystickPr2=1;
int joystickPr3=2;

void setup() {
  Serial.begin(9600);   // Debugging only
    Serial.println("setup");
 
 
vw_set_ptt_inverted(true); //
vw_set_tx_pin(12);
vw_setup(4000);// speed of data transfer Kbps
}

void loop(){



joystickPr1=analogRead(A0);

  float signal1=joystickPr1*(5.0/1023.0); //here i define the signal from joystick1 from 0-5. This is for left or right
  

  joystickPr2=analogRead(A1);

  float signal2=joystickPr2*(5.0/1023.0);//here i define the signal from joystick2 from 0-5. This is for forward or backward
 
  
  joystickPr3=analogRead(A2);

  float signal3=joystickPr3*(5.0/1023.0);//here i define the signal from joystick2 from 0-5. This is for the sirens
  
 
  
  if (signal2>3.5)// if the joystick goes over 3.5v it will go backward

{controller="1";  
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); 
;
Serial.println("REVERSE");
}
else{            // if joystick1 is between 1-3.5v it will send a signal to turn motor1 off.
controller="a";  
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); // Wait until the whole message is gone
;
}

if (signal2<1.0) // if the signal goes under 1v it will send signal to go forward
{controller="2";  
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); // Wait until the whole message is gone

Serial.println("FORWARD");}
else{
controller="b";  // this will stop the motor.
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); // Wait until the whole message is gone
}





// this is the ultimate stop, if the joysticks fails, this code should turn of the motors.
if (digitalRead(4)==HIGH)
{controller="5";  
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); 

}
if (digitalRead(4)==LOW){
controller="0";  
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); // Wait until the whole message is gone
}




if (signal1>3.5) //if the signal goes over 3.5 it will send a signal to motor2
{controller="3";  
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); 
Serial.println("RIGHT");
}
else{         // this will turn motor2 off
controller="c";  
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); // Wait until the whole message is gone
}

if (signal1<1.0) // if the signal from joystick2 goes under 1 it will reverse motor2
{controller="4";  
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); 
Serial.println("LEFT");
}
else{
controller="d";  // this will turn motor 2 off
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); // Wait until the whole message is gone
}

if (signal3>3.5)
{controller="8";  
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); 
Serial.println("SIRENS");
}
if(signal3<1.0){
controller="f";  
vw_send((uint8_t *)controller, strlen(controller));
vw_wait_tx(); // Wait until the whole message is gone}

}

}