dcbw at redhat.com
Mon Aug 31 17:06:33 PDT 2015
On Tue, 2015-09-01 at 00:38 +0100, João M. S. Silva wrote:
> On 08/31/2015 09:03 PM, Dan Williams wrote:
> > serial ports and may be designated /dev/ttyS0. Do you have
> > any /dev/ttySx ports and if so can you talk to the modem with them?
> Yes, I communicate for instance with miniterm.py /dev/ttyS0 115200.
Ok, great. In this case I would expect ModemManager to find the modem
in /dev/ttyS0 through probing, but you may need to manually trigger
probing of this platform serial device, since many platform devices are
"greylisted" since they are often *not* modems. You can do that with
the org.freedesktop.ModemManager1.ScanDevices() dbus method call.
> > *Maybe*. ModemManager supports standard 3GPP AT commands that many
> > modems use. But some features are not available through standard AT
> > commands (access technology reporting, 2g/3g/4g mode selection, etc) and
> > modems use proprietary commands for those functions. These must be
> > specially supported by ModemManager because they are not standard
> > commands.
> OK, understood.
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