Re: Tips on programming usb devices?

[Iain Hibbert <plunky%rya-online.net@localhost>]

On Tue, 11 Sep 2012, Brett Lymn wrote:

> On Mon, Sep 10, 2012 at 03:05:48PM +0100, Iain Hibbert wrote:
> >
> > > The first 4 interfaces present themselves as  general communications 
> > > ports,
> > > of which the first permits standard serial connections through which modem
> > > Hayes style AT commands can be sent to control the modem's behavior.   The
> > > other 3 ports are available and, I believe, work, but I don't know how to
> > > use them.
> >
> > one of them may be a GPS port.. the uhso devices seem to also have these
> > (though mine does not)
>
> One is probably a status monitor port for the HSDPA modem, this can be
> used to monitor signal strength and so forth (don't ask me how
> though...)

through an extended Hayes command set ( ETSI GSM 07.07/3GPP TS 27.007 ) ,
specificially aimed at controlling GSM phones or modems..

% cu -l /dev/ttyHS0.00
Connected
at+csq
+CSQ: 9,99

OK

regards,
iain