/*
This program control the back light


*/
#include <iview.h>
#include <mmi100.h>

int main()
{
	int quit=0,key,LCDBr=0;
	InitLib();
	InitLCD();
	
	LCDBright(0);//turn of back light
	TextOutAt(1,1,"'+':brightend");
	TextOutAt(1,2,"'-':darkend");
	TextOutAt(1,3,"bright:0");
	while(!quit)
	{
	  if(Kbhit())
	  {
	 		key=Getch();
	 		switch(key)
	 		{
	    	case '+': 
	    		LCDBright(++LCDBr);break;//brighter
	   	 	case '-': 
	   	 		LCDBright(--LCDBr);break;//darker
	    	case 'Q': 
	    	case 'q': 
	    		Print("\n\rquit");quit=1;break;
	 		}//switch
	 		if(LCDBr>7) LCDBr =7;
	 		else if(LCDBr<0) LCDBr =0;
	 		LcdPrintfAt(8,3,"%d",LCDBr);
    }//kbhit
  }//while loop
  CloseLCD();
  return 0;
}