ModemManager and Iridium 9522b

Aleksander Morgado aleksander at aleksander.es
Thu Aug 3 19:28:48 UTC 2017


Hey

>
> I am trying to get my Iridium 9522b modem recognized using mmcli.  It is
> connected on /dev/ttyUSB2 with 19200, 8, N, 1.  I can successfully
> communicate via AT commands through pyserial or minicom, so I'm confident
> that it is functioning.
>
> Below are the scan and list outputs from mmcli as well as lsusb.  The
> usb-serial cable connected to the Iridium is Bus001 Device005.
>
> pi at raspberrypi:/usr/lib/arm-linux-gnueabihf/ModemManager $ sudo mmcli -S
> successfully requested to scan devices
> pi at raspberrypi:/usr/lib/arm-linux-gnueabihf/ModemManager $ mmcli -L
>
> No modems were found
>
> pi at raspberrypi:/usr/lib/arm-linux-gnueabihf/ModemManager $ lsusb
> Bus 001 Device 006: ID 0403:6001 Future Technology Devices International,
> Ltd FT232 USB-Serial (UART) IC
> Bus 001 Device 005: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial
> Port
> Bus 001 Device 004: ID 0403:6001 Future Technology Devices International,
> Ltd FT232 USB-Serial (UART) IC
> Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514
> Fast Ethernet Adapter
> Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> pi at raspberrypi:/usr/lib/arm-linux-gnueabihf/ModemManager $
>
> I know that there is a plugin for Iridium modems, specifically this 9522b
> that I am using.  Is there something I need to do to get it to detect it?
>

Can you update the baudrate configuration in the modem itself to be 57600bps?

Also, could you run ModemManager in debug mode to get full debug logs? See:
https://www.freedesktop.org/wiki/Software/ModemManager/Debugging/


-- 
Aleksander
https://aleksander.es


More information about the ModemManager-devel mailing list