[lwip-users] Re: [lwip] SLIP support in Windows

[Fabio Fumi]

My problem is that even before the first AT command, a
string of some repeated characters (something like
'±±±±±±±ááááááá...') is sent to the modem, as a
start-up handshake procedure, I guess. If the modem
dosen't answer to that, the connection is stopped with
a message like 'modem not responding'. What should be
the answer to that string? A simple \r is enough? Did
you have such a problem? Thanks.
 bye
  Fabio

 --- James Roth <address@hidden> ha scritto: >

>     I just humor windows with an OK\r reply to most
> commands.  Windows 
> sends the AT... command followed by a \r.  The ATDT
> command or the 
> CLIENT string (with no \r) cause me to go into SLIP
> mode.  I also put 
> delays in the AT code for realism.
> 
> while (1)
> {
>     if (got ATDT...)
>     {
>         write ("CONNECT\r")
>         break;
>     }
>     else if (got AT...) /* an AT other than ATDT */
>     {
>         write ("OK\r")
>     }   
>     else if (got CLIENT)
>     {
>         write ("CLIENTSERVER")
>         break;
>     }
> }
> 
> do_slip()
> 
> Good luck!
> 
> -- 
> James Roth
> Shugyo Design Technologies
> http://www.shugyodesign.com/
> 
> 
> 
> [This message was sent through the lwip discussion
list.] 

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