keyled.h

c8051f020 实时时钟模块程序 内含IIC模块程序/********************** SYSTEM CLOCK 8M********************************/

/****************************************************************/
// INT0  IN  P21


#define left               0x10
#define right              0x20
#define flash              0x40
#define dp                 0x80



extern unsigned char  keyvalue[2];
/******************************************************************************/
extern  void 		  Keyled_Config( );

extern  void          Delay_zlg7290 (unsigned int );

unsigned char         Wait_Key ( );				// wait untill any key is pressed,and  convert the keycode 

extern  void          Print_zlg7290 (unsigned char /*bits*/ ,unsigned char /*content*/); 
//content+flash,the display will flash,content+dp, dp will display

extern  void          Clear_zlg7290 ( );        // clear the display

extern  void          Disp_Shift( unsigned char/*direction*/,unsigned char/*shiftnum*/);
/*******************************************************************************/