Am Freitag, 24. Juli 2009 14:48:05 schrieb Alan Cox: > > 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. Well, yes, but we would really like a separate control channel, so we can query parameters like signal strength, while we do PPP over the data channel. Regards Oliver -- 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
