ds1302.h

基于AVRGCC的时钟DS1302的完整应用源代码

#ifndef _DS1302_H_
#define _DS1302_H_

#include <avr/io.h>

#define DS1302_PORT PORTD
#define DS1302_DDR  DDRD
#define DS1302_PIN  PIND
#define DS1302_SCLK PD3
#define DS1302_IO 	PIND4
#define DS1302_RST	PD5

// RTC 寄存器地址
#define DS1302_RD_SECOND	0x81
#define DS1302_WR_SECOND	0x80

#define DS1302_RD_MINUTE	0x83
#define DS1302_WR_MINUTE	0x82

#define DS1302_RD_HOUR		0x85
#define DS1302_WR_HOUR		0x84

#define DS1302_RD_DAY		0x87
#define DS1302_WR_DAY		0x86

#define DS1302_RD_MONTH		0x89
#define DS1302_WR_MONTH		0x88

#define DS1302_RD_WEEK		0x8B
#define DS1302_WR_WEEK		0x8A

#define DS1302_RD_YEAR		0x8D
#define DS1302_WR_YEAR		0x8C

#define DS1302_RD_CTRL		0x8F
#define DS1302_WR_CTRL		0x8E

extern void DS1302_Init(void);
extern unsigned char DS1302_Read(unsigned char addr);
extern void DS1302_Write(unsigned char addr, unsigned char value);
extern void DS1302_Get_Time(unsigned char *hour, unsigned char *min, unsigned char *sec);
extern void DS1302_Set_Time(unsigned char hour, unsigned char min, unsigned char sec);
extern void DS1302_Get_Date(unsigned char *year, unsigned char *month, unsigned char *day, unsigned char *week);
extern void DS1302_Set_Date(unsigned char year, unsigned char month, unsigned char day, unsigned char week);

#endif