//键盘全局声明
extern unsigned int Keyboard_Val ;//当前键值
//extern unsigned char Keyboard_Change_Flag;//键值改变标志,读入新键值后,标志位清零
extern u8 key_pressed_flag; //有按键按下时置1
extern char keydata;
#ifdef Interrupt_Scan
extern u16 Key_scan(void);
extern void KEY4x4_Init(void);
extern void Init_Keyboard_Interrupt(void);
extern u8 Get_key(void);
#endif
1