//EEPROM4.C
//EEPROM Interrupt Demo
//PIC16F628   EEPROM size 128  00-7Fh
//PIC16F648A  EEPROM size 256  00-FFh
//#include <16F628.h>
#include <16F648A.h>
#use delay(clock=4000000)
#fuses XT,PUT,BROWNOUT,MCLR,NOWDT,NOPROTECT,NOLVP
#use rs232(baud=9600, xmit=PIN_A0, rcv=PIN_A1)

int EEPROMflag;

#INT_EEPROM
void EEPROM_done(void)
{
  EEPROMflag=1;
}

void DumpEEPROM(void)
{
int vol,i,j,k;

    k=0;
    for(i=0; i<8; ++i)
    {
     printf("%4X: ",k);       //EEPROM in hex
     for(j=0;j<=15;++j)
     {
      printf( "%2X ",read_eeprom(i*16+j));
      if(j==7)
        printf("- ");
     }
     printf("\r\n");
     k+=16;
    }
 printf("\r\n");
}
//*** MAIN ***
main()
{
int i,Err;
long Cn;

     delay_ms(200);                         //Delay for Hardware ready
     printf("*** EEPROM DEMO4***\r\n");

     enable_interrupts(GLOBAL);
     enable_interrupts(INT_EEPROM);

     for(i=0;i<128;i++)
     {
       Cn=0;
       Err=0;
       EEPROMflag=0;
       write_eeprom(i,i);
       while(EEPROMflag==0)
       {
        Cn++;
        if(Cn==3)
        {
         Err=1;
         break;
        }
       }
       if(Err==1)
       {
        printf("write EEPROM Error address %2X\r\n",i);
        break;
       }
     }
     DumpEEPROM();
     while(1);                              //Loop here
}