Test
    Revision as of 13:38, 14 July 2014 by Sandeep (Talk | contribs)

    1. #include<reg51.h>  
    2. #define Motors P2
    3. #define Switches P1
    4. #define Forward 0x05
    5. #define Backward 0x0a
    6. #define Left 0x06
    7. #define Right 0x09
    8. #define stop 0x00void
    9. main()
    10. {  
    11. unsigned char SwitchInput;   
    12. Switches = 0x0f; //Configure Switches  as Input    
    13. Motors = 0X00;  //Configure both Motors as Output.  
    14. while(1)   
    15. {	  
    16. SwitchInput = (0x0f & Switches)//read switch status and mask lower byte.     
    17. switch(SwitchInput)	
    18. 	{	  case 1: Motors = Forward; break;	  case 2: Motors = Backward; break;	  case 4: Motors = Left; break;	  case 8: Motors = Right; break;	  default: Motors =stop;	 }   
    19. }}
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