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help me Guest
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ULN2803 with the pic 16f877 |
Posted: Tue Sep 09, 2008 1:05 am |
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hello i need some help.
I am still writing on the source code to conect the stepper motor and ULN2803 with the pic 16f877.
I try to show a motor rotate forward , backward , left , right and stop with five swicth
The following is my code. Could you tell me where is the problem?
this code
Code: | #define _PIC16F877_ // Use PIC16F877 device
#ifdef _PIC16F877_
#if defined(__PCM__)
#include <16F877.h>
#fuses HS,NOWDT,NOPROTECT,NOLVP
#define TxD PIN_C6 // Define Transmitted Data
#define RxD PIN_C7 // Define Received Data
#define CLOCK_SP 20000000 // Clock Speed(Hz)
#use delay(clock=20000000)
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7)
#endif
#include <input.c>
#BYTE port_b = 6
#define FOUR_PHASE TRUE
#ifdef FOUR_PHASE
BYTE const POSITIONS[4] = {0b0101,
0b1001,
0b1010,
0b0110};
#else
BYTE const POSITIONS[8] = {0b0101,
0b0001,
0b1001,
0b1000,
0b1010,
0b0010,
0b0110,
0b0100};
#endif
void main ()
trisb =$00
trisa =$ff
adcon1 = 7
lamp var portb
sw1 var portc.0
sw2 var portc.1
sw3 var portc.2
sw4 var portc.3
sw5 var portc.4
lamp=0
while(1)
if(!sw1) then
gosub speed1
pause 50
endif
if(!sw2) then
gosub speed2
pause 50
endif
pause 10
wend
end
speed1:
lamp =$08
pause 200
while(sw2)
lamp = lamp >> 1
if lamp = $00 then lamp = $08
pause 200
wend
return
speed2:
lamp =$01
pause 200
while(sw1)
lamp = lamp << 1
if lamp = $10 then lamp = $01
pause 200
wend
return |
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Guest
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Posted: Tue Sep 09, 2008 1:37 am |
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You are using the wrong programming language. The CCS compiler expects C, not BASIC. |
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