#include <Project.h>
#USE SPI (MASTER, SPI1, MODE=0, BITS=8, STREAM=SPI_1, MSB_FIRST)
#int_EXT
#define SS           PIN_A3
#define EEPROM_CLK   PIN_A1
#define EEPROM_DO    PIN_A0
#define EEPROM_ADDRESS BYTE
int SWE=0xE8;
void  EXT_isr(void) 
{

}

#int_TIMER0
void  TIMER0_isr(void) 
{

}
//routine write memory rfid
/*   write_to_rfid(a,d)              riceve il l'indirizzo in cui scrivere e il dato*/
int spival[4];
void write_to_rfid(EEPROM_ADDRESS address, BYTE data)
{

                
                output_low(SS);
                delay_us(15);//minimo ritardo dal datasheet dato un clk da 8Mhz  
                spi_write(SWE);
                spi_write(address);
                spi_write(data);
                delay_us(0.15);        
                output_low(SS);
                SWE=0;
}        
          
void main()
{

   Setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1|RTCC_8_bit);      //128 us overflow
 //setup_comparator(NC_NC_NC_NC);// This device COMP currently not supported by the PICWizard
   enable_interrupts(INT_EXT);
   enable_interrupts(INT_TIMER0);
   enable_interrupts(GLOBAL);
         int i=0;
         
         while(1){
         for(i=0;i<50;i++)
         write_to_rfid(i,1);
         
         }
}