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List:       kde-devel
Subject:    Re: com change parameters
From:       Malte Starostik <malte () kde ! org>
Date:       2002-07-29 18:10:41
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On Monday 29 July 2002 19:54, Lukas Obletter wrote:
> Hi,
> I don't know what I did wrong:
> The comport always use the default parameters.
> Why doesn't my program communicate with 2400bps?
> What did I wrong?
>
> program:
>
> #include "ezV24/ezV24.h"
#include <ezV24/ezV24.h>
> #include "iostream"
#include <iostream>
> #include "string"
#include <string>
> #include "stdio.h"
#include <stdio.h>
(gcc might find those files with quotes ("") instead of angle brackets (<>), 
other compilers might fail. "" is for "local" files in the current directory, 
<> for "global" files in one of the include paths.

> void main(void)
> {
>
> 	int i_temp1;
> 	v24_port_t *comport1=NULL;
>
> 	comport1=v24OpenPort("/dev/ttyS0",V24_DEBUG_ON);
> 	i_temp1=v24SetParameters(comport1,2400,7,0); /*there always Error 2 and
> parameters aren't changed.*/
>  	printf("\nfaul suzedu:%i\n",i_temp1);
> 	v24SetStopbits(comport1,2);
> 	v24Puts(comport1,"ciau co vala");
> 	v24ClosePort(comport1);
>
> }
There's a bug in line 42 of ezV24.h.
Seriously, you should ask this kind of question on some mailing list related 
to ezV24, not kde-devel.
-Malte

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