#define		LEFT	0
#define		RIGHT	1

void WriteLcdCmd( char cs, unsigned char data ) ;
void WriteLcdData( char cs, unsigned char data ) ;
void FillLcd( char Data ) ;
void ClearLcd( void )  ;
void	SetLcdColumn( char cs, char col ) ;
void ChangeLcdPage( char cs, char page ) ;
void	InitLcd( void ) ;
unsigned char	ReadLcdData( char cs ) ;
unsigned char	ReadLcdCmd( char cs ) ;
void WaitLcdBusy( char cs ) ;