keyy.h

这里有很多我自己做的凌阳单片机源程序

#ifndef	__KEYY_h__
#define	__KEYY_h__
//	write your header here
extern unsigned int key_scan(void);
extern unsigned int get_keyvalue(void);
extern unsigned int key_scan_delay(void);
void init_IO_lcd(void);
void lcd_init(void);
void v_data_to(unsigned int dd);
void lcd_display(unsigned char *value,unsigned int );
void write_data(unsigned int );
void write_command(unsigned int);
void check_busy(void);
#endif