head.h

用单片机和数码管

#ifndef HEAD_H_
#define HEAD_H_

#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))

#define OK 5

#define CHANGE 7


#define KEYCODE PINB&0xF7

#define SET_TIME 4
#define SET_ALARM 6

#define SHOW_ALL			0X00
#define SHOW_HOUR			0X01
#define SHOW_MINUTE			0X04
#define SHOW_SECOND			0X10

#define TIME 0
#define ALARM 1

#define HOUR_TIME		0
#define HOUR_ALARM		2
#define MINUTE_TIME		1
#define MINUTE_ALARM	3
#define SECOND_ALARM	4



#define WAIT 1
#define NO_WAIT 0





#endif /*HEAD_H_*/