rtc8025.h

来自「AVR16源代码 ICC编译器」· C头文件 代码 · 共 38 行

#define	RTCSCL_H		PORTD |= 0x01
#define	RTCSCL_L		PORTD &= 0xFE
#define	RTCSDA_H		PORTD |= 0x02
#define	RTCSDA_L		PORTD &= 0xFD
#define	RTCSCL_OUTPUT		DDRD |= 0x01
#define	RTCSCL_INPUT		DDRD &= 0xFE
#define	RTCSDA_OUTPUT		DDRD |= 0x02
#define	RTCSDA_INPUT		DDRD &= 0xFD

#define Time_Address		0x00
#define Alarm_D_Address		0xB0
#define Control_Address		0xE0

void RTC_Delay(unsigned int MD);

unsigned char Send_Start(void);

unsigned char Send_Stop(void);

unsigned char Receive_ACK(void);

unsigned char Send_ACK(void);

unsigned char Send_No_ACK(void);

unsigned char Read_Byte(void);

unsigned char Write_Byte(unsigned char Data);

unsigned char Read_Time_Data(unsigned char *Frame,
			     unsigned char Address,
			     unsigned char Len);
			     
unsigned char Write_Time_Data(unsigned char *Frame,
			      unsigned char Address,
			      unsigned char Len);

void Reset_R8025(void);