s/ds1307.c

//*****************************************************************************
//
// File Name  : ds1307.c
// Title    : Support for Maxim DS1307 real time clock
// Author    : Smoerijf.be
// Target MCU  : Atmel AVR Series
//
//*****************************************************************************
 
#include "i2c.h"
#include "ds1307.h"
 
/**
 *    @param      void
 *    @return    void
 **/
void ds1307Init(void){
   u08 buff[2];
   // set control register
   buff[0] = 0x00;
   buff[1] = 0x00;
   i2cSend(ds1307addr, 2, buff);
}
 
/**
 *    @param      *d      Pointer voor data opslag [3]
 *    @return    void
 **/
void ds1307Read(u08* d){
   *d = 0x00;
   i2cSend(ds1307addr, 1, d);
   i2cReceive(ds1307addr, 3, d);   
}
 
/**
 *    @param      p       seconds
 *    @return    void
 **/
void ds1307SetSec(u08 p){
   u08 buff[2];
   buff[0] = 0x00;
   buff[1] = ((p/10)<<4) | (p%10);
   i2cSend(ds1307addr, 2, buff);
}
 
/**
 *    @param      p       minutes
 *    @return    void
 **/
void ds1307SetMin(u08 p){
   u08 buff[2];
   buff[0] = 0x01;
   buff[1] = ((p/10)<<4) | (p%10);
   i2cSend(ds1307addr, 2, buff);
}
 
/**
 *    @param      p       hour
 *    @return    void
 **/
void ds1307SetHour(u08 p){
   u08 buff[2];
   buff[0] = 0x02;
   buff[1] = ((p/10)<<4) | (p%10);
   i2cSend(ds1307addr, 2, buff);
}