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letrungkien7
Joined: 12 Nov 2011
Posts: 2
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| 16f690 Switch button |
 Posted: Sat Nov 12, 2011 3:47 am |
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Please explain to me what is wrong with this code, which I got from a tutorial by Gooligum Electronics.
| Code: |
// PIN_A3->switch
// PIN_C0->LED
#include<16f690.h>
#fuses NOMCLR,NOPROTECT,NOWDT,INTRC
void main(){
while(TRUE){
output_c(input(PIN_A3) ? 0 : 0b000001);
}
}
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Result: The LED is turned on right away, do not wait for button to be pressed.
I understand that if that is the case, input(PIN_A3) is 1 by default and cannot be changed by pressing the button, right? So how do I use the switch button?
It works fine with the debounce hex file provided in pickit2 started.
Thanks in advanced. |
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letrungkien7
Joined: 12 Nov 2011
Posts: 2
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| ? |
| Posted: Sat Nov 12, 2011 5:14 am |
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It seems that THERE is nothing wrong with the code, but the programmer.
When I used Pickit2 in mplab, it does not work. Then I used Pickit2 programmer, it worked.
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