/*  Author : hasan hadi mahmood.
 project: DTMF control 8 relays  ON & OFF .
 //   *00#0  all relays is OFF
 //  *10#1  all relays  is ON
//   *11#n  no. relay =n is ON
//  *01#F  no.relay = F is OFF */

////////////////////
#define new_click              porta.f4
#define new_click_dir          trisa.f4
#define DTMF0                  porta.f0
#define DTMF0_dir              trisa.f0
#define DTMF1                  porta.f1
#define DTMF1_dir              trisa.f1
#define DTMF2                  porta.f2
#define DTMF2_dir              trisa.f2
#define DTMF3                  porta.f3
#define DTMF3_dir              trisa.f3
#define relay                  portc
#define relay_dir              trisc
#define set_bit(var,pos)  ( var|= (1<<pos)  )
#define clear_bit(var,pos) ( var&=~(1<<pos) )

//******************init input and output***************************************
void init()
{
  DTMF0_dir=1; // input
  DTMF1_dir=1;
  DTMF2_dir=1;
  DTMF3_dir=1;
  new_click_dir=1;
  relay_dir=0; // output
  relay=255;// ON all relays
  delay_ms(1000);
  relay=0;// OFF all relays

}

char output_state[5];
char code1=255 , cont=0 , flag_recive=0 , relay_ON=0 , relay_OFF=0xFF;
//****************** main program***********************************************
void main()
{
 cmcon=7;
 init();
 while(1)
        {

         if(new_click ==1){

                            relay.f0=DTMF0;
                            relay.f1=DTMF1;
                            relay.f2=DTMF2;
                            relay.f3=DTMF3;
                          }



        }
}