pcf8583.h

单片机c语言程序设计100例--基于PIC+PROTEUS

//-----------------------------------------------------------------
//  名称: PCF8583头文件
//-----------------------------------------------------------------
#define INT8U   unsigned char
#define INT16U  unsigned int
#define _XTAL_FREQ 1000000 
#define RTC_ADDR_WR 0xA0
#define RTC_ADDR_RD 0xA1
extern void I2C_Init();
extern void RTC_Read(INT8U addr,INT8U *buf,INT8U len);
extern void RTC_Write(INT8U addr,INT8U *buf,INT8U len);
extern void GetDateTime();
INT8U BCD_TO_DEC(INT8U d);
INT8U DEC_TO_BCD(INT8U d);