On Friday 24 July 2009 15:48:05 ext Alan Cox wrote: > > No, I was thinking of having two full devices, a data channel and a > > control channel for devices that really talk AT commands natively. > > If the hardware does it great, however for things like a 3G modem you > have the problem that the PPP is over the AT command channel which may > itself be multiplexed. And the muxing in question is *ugly* - sort of > HDLC and LAP-B done wrong. I guess he meant that AT commands could be sent out-of-band, for those USB modems that fully implement the ACM profile of CDC, if any. -- Rémi Denis-Courmont Nokia Devices R&D, Maemo Software, Helsinki -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
