var.h

Keil 8051 C example RS232 to I2c

idata unsigned char _KeyInput; 
idata unsigned char _KeyTempX;

bit _RC_CTRL_Active;
bit _RC_CTRL_Reset;
bit _RC_RepeatCommand;
bit _IR_RepeatKeyEnable;

 unsigned char _CountOf_RC_Pulse; 
  unsigned long _RC_Word;

  unsigned char _RC_Data;
  unsigned char _RC_LastData;
  unsigned char _ClockBuffer,_ClockX,_IRTimeOut,_IR_RepeatKeyDelay,_VideoDetectClock;
// RS232.c
 
unsigned char *_PtrI2c;
unsigned char *_WPtrI2c;
unsigned char  _Sync;

idata unsigned char _SubCommand;
unsigned int _AdrxOfI2C;
unsigned char _LengthOfI2C; 
unsigned char _IndxOfI2C;
unsigned char  _CommandBufX[0x04]; 
idata unsigned char  _LghOfCommand; 
unsigned int  _AdrX; 
idata unsigned char _I2cBuf[0x18];
idata unsigned char  _Length; 
idata unsigned char _Indx;  
idata unsigned char _IDCodeOfI2C;  

idata unsigned int _FuncX;
 
bit _xbit;
bit _Busy; 

idata unsigned char _DemoType=0;
idata unsigned char _DemoIndeX=0;

idata unsigned char	_KeyPressLevel=0;
idata unsigned char _StateFlag=_Initiate;