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Terk
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| PIC18F458 control ServoController(serial) board of parallax |
 Posted: Wed Aug 09, 2006 9:39 pm |
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| How to using PIC to control ServoController(serial) board of parallax. |
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PCM programmer
Joined: 06 Sep 2003
Posts: 21708
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| Posted: Fri Aug 11, 2006 12:28 pm |
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| I can't find any board on the Parallax website called a "ServoController". |
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weetax
Joined: 12 Aug 2006
Posts: 3
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weetax
Joined: 12 Aug 2006
Posts: 3
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| PIC18F458 control ServoController(serial) board of parallax |
| Posted: Sat Aug 12, 2006 9:17 pm |
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It's using serial communication (Open collector).
I'm useing PIC18F458.But parallax board can't response.If i'm using BasicStamp it can be worked. This is my source.
| Quote: | #include <18f458.h>
#define TxD PIN_C6
#define RxD PIN_C7
#fuses H4
#fuses NOLVP, NOWDT
#fuses NOPROTECT
#use delay (clock=40000000)
#use rs232(baud=9600,xmit=TxD,rcv=RxD,stream=pc)
#use rs232(baud=2400,parity=N,xmit=PIN_D0,rcv=PIN_D1,bits=8,stream=psoc,float_high,ERRORS)
#ignore_warnings 202
void INT_Serial(void);
#INT_RDA
void INT_Serial(void){
char c,x,y,z;
long lo,hi,ch,ra;
long data;
c = getc();
switch(c){
case 'a' : fprintf(pc,"pos:1100\n");
data = 1100;
lo = data%255;
hi = data/255;
ch = 0;
ra = 0;
fputc('!',psoc);
fputc('S',psoc);
fputc('C',psoc);
fputc(ch,psoc);
fputc(ra,psoc);
fputc(lo,psoc);
fputc(hi,psoc);
fputc(13,psoc);
break;
case 'b' : fprintf(pc,"pos:500\n");
data = 500;
lo = data%255;
hi = data/255;
ch = 0;
ra = 0;
fputc('!',psoc);
fputc('S',psoc);
fputc('C',psoc);
fputc(ch,psoc);
fputc(ra,psoc);
fputc(lo,psoc);
fputc(hi,psoc);
fputc(13,psoc);
break;
}
}
void main(void){
enable_interrupts(GLOBAL);
enable_interrupts(INT_RDA);
while(1){
}
} |
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weetax
Joined: 12 Aug 2006
Posts: 3
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| Success. |
| Posted: Sat Aug 12, 2006 9:39 pm |
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OK, I'm can be solve my problem.By change the option of rs232.
| Quote: | | #use rs232(baud=2400,xmit=PIN_D0,rcv=PIN_D0,stream=psoc,float_high,ERRORS) |
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