ds1302.h

avr系列单片机访问ds1302的驱动程序

#define DS1302_RST_1 (PORTB|=0x08)
#define DS1302_RST_0 (PORTB&=~0x08)
#define DS1302_CLK_1 (PORTB|=0x10)
#define DS1302_CLK_0 (PORTB&=~0x10)
#define DS1302_IO_1 (PORTB|=0x20)
#define DS1302_IO_0 (PORTB&=~0x20)
#define DS1302_IO_DIR_OUT (DDRB|=0x20)
#define DS1302_IO_DIR_IN (DDRB&=~0x20)
#define DS1302_IO_IN (PINB&=0x20)
#define DS1302_CLK_DIR_OUT (DDRB|=0x10)
#define DS1302_RST_DIR_OUT (DDRB|=0x08)

void ds1302_write(unsigned char reg,unsigned char data);
unsigned char ds1302_read(unsigned char reg);
void gettime(unsigned char *nowtime);
void settime(unsigned char *settime);
void ds1302_init(void);