A. Consider Example This example asked you to run C code on MPLAB to send values

Question

A.    Consider Example

This example asked you to run C code on MPLAB to send values 00-FF to PORT B.

1.      #include <P18F458.h>                          

2.      void main(void)

3.        {

4.          unsigned char z;

5.          TRISB = 0;                           

6.          for(z=0;z<=255;z++)

7.            PORTB = z;

8.          while(1);                               

9.        }        

(d)   Show how you do this if you want to replace the original for loop (of lines 6 and 7) by a while loop (you still have while(1) in line 8). Yes, this is an ECE 114 question.

While(z<255)

   PORTB=z

    z++

while(1)

(e) Show how you can do this if you want PORTB = z; for even z and PORTC = z; for odd z. The range of z is from 0 till 255 as original code

Explanation / Answer

1. #include <P18F458.h>

2. void main(void)

3. {

4. unsigned char z;

5. TRISB = 0;

6. TRISC =0;

6. for(z=0;z<=255;z++)

7. {

8. if(z%2==0)

9. PORTB = z;

10. else

11. PORTC=z;

12. }

13. while(1);

14. }

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