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| − | <syntaxhighlight>
| + | #REDIRECT [[Main Page]] |
| − | #include<reg51.h> | + | |
| − | #define Motors P2
| + | |
| − | #define Switches P1
| + | |
| − | #define Forward 0x05
| + | |
| − | #define Backward 0x0a
| + | |
| − | #define Left 0x06
| + | |
| − | #define Right 0x09
| + | |
| − | #define stop 0x00void
| + | |
| − | main()
| + | |
| − | {
| + | |
| − | unsigned char SwitchInput;
| + | |
| − | Switches = 0x0f; //Configure Switches as Input
| + | |
| − | Motors = 0X00; //Configure both Motors as Output.
| + | |
| − | while(1)
| + | |
| − | {
| + | |
| − | SwitchInput = (0x0f & Switches)//read switch status and mask lower byte.
| + | |
| − | switch(SwitchInput)
| + | |
| − | { case 1: Motors = Forward; break; case 2: Motors = Backward; break; case 4: Motors = Left; break; case 8: Motors = Right; break; default: Motors =stop; }
| + | |
| − | }}
| + | |
| − | </syntaxhighlight>
| + | |
