key.h

用51写的实时时钟,DS1302做时钟,LCM1602做显示,4个按键,带闹钟.

#define FUNCTION 0x03
#define UP       0x05
#define DOWN     0x06 
#define ALARM    0x04

void key_task(void);
void process(uchar current_key);

extern bit flash_flag;
extern uchar function_count;

extern bit alarm_flag;
extern bit key_enable;