#include <SoftwareSerial.h>                   
SoftwareSerial ur1(2,3);                      
int led = 13;                                 
int k1 = 7;                                   
//--------------------------------------      
void setup() {                                
  Serial.begin(9600);                       
  ur1.begin(9600);                            
  pinMode(led, OUTPUT);                       
  pinMode(led, LOW);                          
  pinMode(k1, INPUT);                         
  digitalWrite(k1, HIGH);                     
}                                             
//-----------------------------------         
void led_bl()                                 
{                                             
int i;                                        
 for(i=0; i<1; i++)                           
  {                                           
   digitalWrite(led, HIGH); delay(150);       
   digitalWrite(led, LOW);  delay(150);       
  }                                           
} 
//-------------------------
void op(int d)
{
 ur1.print('T');   led_bl();                     
 ur1.write('0'+d); led_bl();   
}  
//--------------------------
void ip(int d)
{
 ur1.print('L');led_bl();                     
 ur1.write('0'+d);led_bl();   
} 
//--------------------------
void op_com(char c)
{
 ur1.print('T');  led_bl(); 
 ur1.print(c);   led_bl();
}
//-----------------------------------         
void loop()                                   
{                                             
char c;                                       
 led_bl(); 
 Serial.print("IR uart test : \n"); 
 Serial.print("1:txIR0   2:Learn:IR0  3:tx mute \n");
// op(0); led_bl();
 op_com('M');
                   
 while(1)                                     
  {                                           
   if (Serial.available() > 0)             
    {                                     
     c=Serial.read();                     
     if(c=='1') { Serial.print("op0\n"); op(0); led_bl();}  
     if(c=='2') { Serial.print("ip0\n"); ip(0); led_bl();}
     if(c=='3') { Serial.print("tx mute\n"); op_com('M'); led_bl();}
    }
    
    if( digitalRead(k1)==0 ) { op(0); led_bl(); }   
  }                                           
}