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Guest
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Problem with strcat |
Posted: Fri Sep 18, 2009 5:45 pm |
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Reading velocity from GPS string and sending to hyperterminal, which works fine. Now wish to add "km/h" to end of string. Have tried strcat and all sorts of garbage coming out now. Any help appreciated.
Code: | #include <16f716.h>
#fuses HS,NOWDT,NOPROTECT
#use delay(clock=20000000)
#use rs232(baud=9600, xmit=PIN_B3, rcv=PIN_B2, parity=N, bits=8, ERRORS)
#include <string.h>
char z, temp[20], temp2[20];
int i, j;
#define LED PIN_B5
void main(){
output_high(LED);
delay_ms(5000);
output_low(LED);
strcpy(temp2,"km/h"); //change to code after working
while(TRUE){
i=0;
j=0;
while(TRUE){
z=getc();
if(z=='$')
break;
}
z=getc();
if(z=='G')
z=getc();
if(z=='P')
z=getc();
if(z=='V'){
z=getc();
if(z=='T')
z=getc();
if(z=='G')
while(j<7){
z=getc();
if(z==',')
j++;
}
output_high(LED);
while(TRUE){
z=getc();
if(z==',')
break;
temp[i]=z;
i++;
}
strcat(temp,temp2); //change to code after working
i=i+4; //change to code after working
temp[i]='\r';
i++;
/*i++;
temp[i]='\n';*/
temp[i]='\0';
printf(temp);
output_low(LED);
}
}
} |
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PCM programmer
Joined: 06 Sep 2003 Posts: 21708
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Guest
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Posted: Fri Sep 18, 2009 6:18 pm |
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Cheers, all very clear now, seems my null terminator is out of place. Fixed and working. Help appreciated |
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santicomp Guest
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strcat |
Posted: Fri Nov 13, 2009 2:04 pm |
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Hi, I am trying to append 2 strings to do atoi and the int value. But the append does not work. The atoi needs /0 to work. I don't know what I am doing wrong. What is the way to append 2 strings and what is the way to do atoi? Thanks alot.
Code: |
void ciclos(char f,int8 n)
{
int1 num;
int8 i;
int8 l;
char string1[1];
char string2[5];
char *string3;
if (f!=0){
printf(lcd_putc,"%c",f);
strcpy(string1,"\0");
strcpy(string2,f);
*string3=strcat(string1,string2);
l=atoi(string3);
/* switch (f){
case '1':l=1;
break;
case '2':l=2;
break;
case '3':l=3;
break;
case '4':l=4;
break;
case '5':l=5;
break;
case '6':l=6;
break;
case '7':l=7;
break;
case '8':l=8;
break;
case '9':l=9;
break;
}
*/
for (i=1 ; i<=l;i++)
{
delay_ms(300);
actrelay();
delay_ms(300);
dearelay();
}
lcd_putc("\fTerminado");
}
num=0;
} |
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