/* Code sourced from Israa Rabba 
 *  http://fab.academany.org/2018/labs/fablabirbid/students/israa-rabbaa/INTERFACE.html
-----------------------
modified by Darshan Shah,
during Fab Academy 2018. */



#include <SoftwareSerial.h> // include serial library for communication

SoftwareSerial serial (0,1);

int RED = 9;   // Define integer for red color leg of RGB to pin 9
int GREEN = 7; // Define integer green color leg of RGB to pin 7
int BLUE = 10;  // Define integer blue color leg of RGB to pin 10

void setup() {
   RGBcolor(0,0,0);
  pinMode(RED, OUTPUT); // Set RED pin as an output pin
  pinMode(GREEN, OUTPUT); // Set GREEN pin as an output pin
  pinMode(BLUE, OUTPUT); // Set BLUE pin as an output pin
  serial.begin(9600);    // open serial port, sets data rate to 9600 bps

 
}

void loop() {

    if(serial.available() > 0){     // send data to serial only when data is received
      
     char Mycolor = serial.read();  // read character from incoming serial data 
           if(Mycolor == 'r'){      // if received 'r' then turn LED into RED
             RGBcolor(255,0,0);     // provide RGB code for red color
        }

        else if (Mycolor == 'w'){
           RGBcolor(139,69,19);     // for brown color
        }
        
        else if (Mycolor == 'p'){
           RGBcolor(255,20,147);    // for pink color
        }
        
        else if (Mycolor == 'y'){
           RGBcolor(255,255,0);     // for yellow color
        }
        
        else if (Mycolor == 'e'){
           RGBcolor(255,165,0);     // for orange color
        }
        
        else if (Mycolor == 'g'){
           RGBcolor(0,255,0);       // for green color
        }
        
         else if (Mycolor == 'b'){
           RGBcolor(0,0,255);       // for blue color
        }

          else if (Mycolor == 'a'){
           RGBcolor(127,255,212);   // for aqua color
        }

         else {
          RGBcolor(0,0,0);         // to switch OFF
          
         }
      }

}

void RGBcolor(int Rval, int Gval, int Bval){ // defining integers for each of the three

  Rval = 255-Rval;    // defining value for each of the LED
  Gval = 255-Gval;
  Bval = 255-Bval;
  analogWrite(RED,Rval);    // to set the brightness of each LED
  analogWrite(GREEN,Gval);
  analogWrite(BLUE,Bval);

}