Re: Leyendo datos puerto serie

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#10100

From: NotFound
Date: Sun, 24 Mar 2002 20:29

18 lines
1416 bytes

>   do
>     {
>       leidos = read (fd, buffer, sizeof (buffer));
>       buffer[leidos] = 0;

Si has leido sizeof (buffer) bytes, el 0 lo escribes fuera del buffer.

>       if (isprint (buffer[0]))
>          printf ("%s\t%X\n", buffer,atoi(buffer));
>       else
>          printf ("*\t%X\n",atoi(buffer));

Si buffer [0] no es imprimible entonces no es un dígito, entonces atoi
da 0. Si es imprimible pero no es un dígito también.

Pon simplemente (int) buffer [0]

Salu2

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From: NotFound <blassic@hobbiton.org>
Newsgroups: es.comp.os.linux.programacion
Subject: Re: Leyendo datos puerto serie
Date: Sun, 24 Mar 2002 21:29:44 +0100
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