//Reciever Code (Leonardo)
#include <VirtualWire.h>
int red, green, blue, oldred,oldblue,oldgreen=12; //red, green and blue values

int RedPin = 12;
int GreenPin = 9;
int BluePin = 10;
char cRGB[8], Cred[3], Cgreen[3], Cblue[3];
String hRGB, Sred, Sgreen, Sblue;
void setup()
{
  Serial.begin(9600);
  pinMode(RedPin, OUTPUT);
  pinMode(GreenPin, OUTPUT);
  pinMode(BluePin, OUTPUT);
  
  vw_setup(5000);
  vw_set_rx_pin(7);
  vw_rx_start();
}

void loop(){
    uint8_t buf[VW_MAX_MESSAGE_LEN];
    uint8_t buflen = VW_MAX_MESSAGE_LEN;
    
    // Non-blocking
    if (vw_get_message(buf, &buflen)) 
    {
    int i;
        for (i = 0; i < buflen; i++)
    {            
          cRGB[i] = char(buf[i]);
    }
        cRGB[buflen] = '\0'; 
        // Convert cRGB Char array to string hRGB
    hRGB = cRGB;
    Sred = hRGB.substring(1,3);
    Sred.toCharArray(Cred,3);
    red = (int)strtol(Cred, NULL, 16);
    
    Sgreen = hRGB.substring(3,5);
    Sgreen.toCharArray(Cgreen,3);
    green = (int)strtol(Cgreen, NULL, 16);

    Sblue = hRGB.substring(5,7);
    Sblue.toCharArray(Cblue,3);
    blue = (int)strtol(Cblue, NULL, 16);
    
        analogWrite (RedPin, red);
        analogWrite (GreenPin, green);
        analogWrite (BluePin, blue);
    }
}