Wireless Counter A

/* Wireless counter
PIC A  counting how many button pressed then send data to PIC B

Code for this video:
https://www.youtube.com/watch?v=pm_PA_DsWZY
*/
//Reset switch
#define SW1 PORTB.F0        //Push = 0, release = 1
#define SW2 PORTB.F1        //increase count

char uart_rd;
unsigned int i=0;

//Previous Switch status
int PrevStat= 0;

//Current Switch status
int CurStat = 0;

//Count variable
int Count = 0;


void main()
{
      UART1_Init(9600); // Initialize UART module at 9600 bps
      Delay_ms(100);    // Wait for UART module to stabilize

     TRISB = 0b00010111;
     TRISD=0;             //Set PortD as LED output

     //Blink All LED Twice
     PORTD=255;
     Delay_ms(500);
     PORTD=0;
     Delay_ms(500);
     PORTD=255;
     Delay_ms(500);
     PORTD=0;

     UART1_Write('C');   //Tell PIC B to Clear count
     Count = 0;          //Clear count

    //get current switch state
    PrevStat= SW2;

     //##################################################
     while(1)
     {
               CurStat= SW2;

         //IF switch change state increase count
         if( PrevStat !=CurStat)
         {
              PrevStat=CurStat;
              Count++;
              UART1_Write('a');
         }

         //Check if reset count switch pressed
         if(SW1==0)
         {
            Count= 0;
            UART1_Write('C');
         }

         //dispaly count on LED in binary format
         PORTD = Count ;



            //PIC B request current count
            if (UART1_Data_Ready())     // If data is received,
            {
                  uart_rd= UART1_Read();// read the received data,

                  if(uart_rd=='R')      // PIC B Request for current count
                  {
                       if(count>0)  //If count not zero
                      {
                          //Send character 'a' until it same as count value
                          for(i=0; i<count; i++)
                          {
                             UART1_Write('a');
                             Delay_ms(10);
                          }
                      }
                      else
                      {
                          UART1_Write('C');  //Tell PIC B to ClearRed count
                      }


                  }

            }

     } //End of while(1)

}   // End of main function