systemevent.c

Keil 8051 C example RS232 to I2c

#include <at89x52.H>              // SFR definition header file
#include <stdio.h>                 // prototype declarations for I/O functions

#include "function.h"
#include "SystemEvent.h"
#include "math.h"
#include "UART.h"
#include "ExtVar.h" 
#include "RTOS.h"
#include "IRKey.h"
static idata unsigned int _Mask=0x0001;
extern unsigned char DecodeIRCommand(unsigned long _RC_WordX);
extern unsigned char RCFuncX(unsigned char _RC_DataX);

extern void InitRemoteCTRL(void);

void SystemEvent(void){
unsigned int _StatuX;
	do{
		_StatuX=_FuncX;	
		if(_FuncX!=_Normal){
			do{					
				if(_Mask==0x0100) _Mask=0x0001;
				else _Mask<<=1;			
				_StatuX=(_FuncX&_Mask);
					
			}while(_StatuX==0);					
    	}
		switch(_StatuX){     
		case _ReadI2CMode:	 
			ReadFunc();
		   StartTriI2C();
			_Busy=0;
			_FuncX&=~_ReadI2CMode;
		   break;
      case _WriteI2CMode:		 
  			WriteFunc();
			EchoToHost();    
			_FuncX&=~_WriteI2CMode;
		   break;
		case _IRInit:
			_FuncX&=~_IRInit;			
			break;
      case _UARTInit:
			 InitSERIALPort();
			_FuncX&=~_UARTInit;
			break;
      case _IRCommand:				 
			_FuncX&=~_IRCommand;
		    break;	
      case _CommandX:  
			_SubCommand=*_WPtrI2c;			 
			_FuncX&=~_CommandX;
         break;
		case _Normal:
         break;
		}
	}while(_FuncX!=_Normal);
}