realtimeclk.h

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

/*******system  clock   8MHZ*******************/

#define generate_stop       0x54
#define release_bus_ack     0x44
#define release_bus_nack    0x40
#define release_bus_sta     0x64



extern  void  Rtclk_Config( void );
extern  void  GetBus ( void ); 
extern  void  Delay_IIC( void );
extern  void  SendByte( unsigned char /*DATA*/ );
extern  bit   SmbRec  ( unsigned char /*slaadd*/ ,unsigned char /*subadd */,unsigned char/* num */,unsigned char /* *RecPtr*/ );
extern  bit   SmbSend ( unsigned char /*slaadd*/ ,unsigned char /*subadd */,unsigned char/* num */,unsigned char /* *SendPtr*/);