ds1302._h

mega8515通过的DS1302芯片使用程序

#include <iom8515v.h>
#include <macros.h>


#define ds1302_clk  PC1
#define ds1302_data PC2
#define ds1302_rst  PC3

#define Set_ds1302_clk  PORTC |=(1<<ds1302_clk)
#define Set_ds1302_data PORTC |=(1<<ds1302_data)
#define Set_ds1302_rst  PORTC |=(1<<ds1302_rst)

#define Clr_ds1302_clk  PORTC &=~(1<<ds1302_clk)
#define Clr_ds1302_data PORTC &=~(1<<ds1302_data)
#define Clr_ds1302_rst  PORTC &=~(1<<ds1302_rst)

#define data_in       DDRC &=~(1<<ds1302_data)
#define data_out        DDRC |=(1<<ds1302_data)

#define data_in_read        PINC&0x40


#define uchar unsigned char
#define uint  unsigned int