Re: [PATCH] Re: problem with cinterion TC63i rs232 modem

[Thomas Bechtold <thomasbechtold jpberlin de>]

Hi Aleksander,

The attached patch solved the problem. Thanks!

Cheers,

Tom

On 13/10/11 22:12, Aleksander Morgado wrote:
> Hi,
>
> So the real problem here is that the Cinterion modem sends a NUL byte
> before the CONNECT response:
>
> > [mm-at-serial-port.c:298] debug_log(): (ttyS1): -->  'ATD*99***1#<CR>'
> > modem-manager[2621]:<debug>  [1317807408.548825]
> > [mm-at-serial-port.c:298] debug_log(): (ttyS1):<-- '\0'
> > modem-manager[2621]:<debug>  [1317807410.433152]
> > [mm-at-serial-port.c:298] debug_log(): (ttyS1):<--
> > '<CR><LF>CONNECT<CR><LF>'
>
> It only does that during the first reply to ATD, not in the next tries,
> that is why you were able to connect successfully after the first try.
>
> Attached is a patch that solves the issue. It modifies the common serial
> parser, so not something Cinterion-specific, but the change is quite
> small and shouldn't affect other plugins.
>
> Cheers,