#include <xc.h>

#pragma config FNOSC=PRI,POSCMOD=XT

void Delay(long int a)
{
    float b=0;
    for(; b<a; b++);
}







void I2CStart(void)
{
  I2C2CONbits.SEN = 1;    //send start bit
  while(I2C2CONbits.SEN);    //wait for SEN to clear
}

void I2CRestart(void)
{
  I2C2CONbits.RSEN = 1;    //resend start bit
  while(I2C2CONbits.RSEN);    //wait for RSEN to clear
}

void I2CStop(void)
{
  I2C2CONbits.PEN;      //send stop bit
  while(I2C2CONbits.PEN);    //wait for PEN to clear
}

unsigned char I2CReceive(void)
{
  I2C2CONbits.RCEN = 1;    //initiate receive
  while(I2C2CONbits.RCEN); //wait for recieve to complete
  return I2C2RCV;      //read I2C2RCV buffer
}

void I2CAckPoll(unsigned char addh, unsigned char addl)
{
  I2CStart();      //assert start condition
  I2C2TRN = 0xA0;      //send write control byte
  while(I2C2STATbits.TRSTAT);  //wait for transmit to complete
  if(I2C2STATbits.ACKSTAT)
  {
    while(I2C2STATbits.ACKSTAT)
    {
      I2CRestart();      //resend start bit
      I2C2TRN = 0xA0;      //send write control byte
    while(I2C2STATbits.TRSTAT);  //wait for transmit to complete
    }
  }
  I2C2TRN = addh;      //send write control byte
  while(I2C2STATbits.TRSTAT);  //wait for transmit to complete
  I2C2TRN = addl;      //send write control byte
  while(I2C2STATbits.TRSTAT);  //wait for transmit to complete

  LATAbits.LATA0 = 1;    //turn on LED
  while(1);      //stop
}

int main()
{
    PADCFG1 = 0xFF;            // Make analog pins digital
    OSCCON = 0b0111001010100000; //Turn to external OSC

    LATA = 0;
    TRISA = 0;
    LATB = 0;
    TRISB = 0;


    //EEPROM

    I2C2BRG = 37; //57
    I2C2CON = 0b1001101000000000;

    //I2CStart();
    //I2CRestart();
    //I2CStop();
    //I2CAckNack();
    //temp = I2CReceive();
    I2CAckPoll(0x00,0x00);
}