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Problem with RS232

 
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Naiade
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Problem with RS232
PostPosted: Mon Mar 14, 2005 10:49 am     Reply with quote

Hi everybody, hope you can help me.

I have a hex compiled with the CCS 3.127 and works ok but I need to change some part of the code and I am using the last one (3.221) and I have a big problem ...

I'm working with a GSM modem and receiving some call I look for "\r\nRING\r\n" but sometimes I just received the \r o \r\n o a little bit more but it seems like the message doesn't arrive ...
someone has got this problem ? Is it a parameter I have to change in the new CCS

Thx for your help.
Naiade
Guest








PostPosted: Mon Mar 14, 2005 11:04 am     Reply with quote

I add ther parameters I use

#USE RS232 (BAUD=9600, XMIT=PIN_C6, RCV=PIN_C7, PARITY=N, BITS=8)

thx again
Guest








PostPosted: Mon Mar 14, 2005 11:29 am     Reply with quote

I put you the code to see if you see something strange.

#INCLUDE <18F452.h>
#FUSES XT,WDT128,WDT,PUT, NOLVP, NODEBUG
#DEVICE ADC=10
#INCLUDE <string.h>
#INCLUDE <stdlib.h>
#INCLUDE <math.h>
#USE delay(clock=3579000)
#USE RS232 (BAUD=9600, XMIT=PIN_D6, RCV=PIN_D7, PARITY=N, BITS=8,STREAM=SETUP) (this a second RS232 emulated with others I/O pins)
#USE RS232 (BAUD=9600, XMIT=PIN_C6, RCV=PIN_C7, PARITY=N, BITS=8) (this is the modem RS232

Char GetFromRX () {
char data;
if (RXItems > 0)
{
data = *RXInicio;
RXInicio ++;
if (RXInicio > &ColaRX[MAXCOLA-1]) RXInicio = &ColaRX[0];
RXItems --;
return (data);
}
else return(0);
}

#INT_RDA
void Receive (){
char data;
data = getc();

if (RXItems == MAXCOLA) error_fatal();

if (RXItems < MAXCOLA)
{
*RXFinal = data;
RXFinal ++;
IF (RXFinal > &ColaRX[MAXCOLA-1]) RXFinal = &ColaRX[0];
RXItems ++;
}
}


void main()
{

disable_interrupts(GLOBAL);
restart_wdt();
setup_counters(RTCC_INTERNAL, WDT_ON);
setup_wdt(WDT_ON);
restart_wdt();

set_tris_a(0b101111);
set_tris_c(0b11000000);
set_tris_e(0b011);
set_tris_d(0b10000000);


while (TRUE)
{
if (( a=GetfromRX() ) != 0) {recmes[i++]=a;lcd_putc(a);}

if (( i>2 ) && (recmes[i-1] == '\n') ) (LOOKING FOR THE \r\n\ring\r\n)
{
recmes[i]=0;
i=0;
if ( strcmp(recmes,ring) == 0) TAKETHECALL();
}
}
Guest








PostPosted: Tue Aug 02, 2005 12:52 am     Reply with quote

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Humberto



Joined: 08 Sep 2003
Posts: 1183
Location: Buenos Aires la Reina del Plata

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PostPosted: Sat Aug 06, 2005 9:47 am     Reply with quote

This forum is only for CCS Debuggers and Programmers Devices, not for general issues.

Nobody answer you because you posted in the wrong forum.
Go to General Discussion Forum and post the full code and compiler version

http://www.ccsinfo.com/forum/viewforum.php?f=1

Humberto
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