Hi Shijo and Aleksander, 2017-08-17 12:14 GMT+02:00 Aleksander Morgado <aleksan...@aleksander.es>: > On Thu, Aug 17, 2017 at 2:45 AM, Jose, Shijo <shijo.j...@hughes.com> wrote: >>>> I just realized you're working with a MBIM modem. So the "No AT port >>>> available to run command" may actually mean there is no AT port >>>> detected in the modem. Are you able to see a TTY listed in the >>>> "System/ports" entry when you do "mmcli -m 0"? >> >> No, I do not see TTY listed. Snippet of "mmcli -m 0" below - >> >> Hardware | manufacturer: 'Generic' >> | model: 'MBIM [1BC7:1204]' >> | revision: '17.01.571' >> | supported: 'gsm-umts, lte' >> | current: 'gsm-umts, lte' >> | equipment id: '35323806113733' >> ------------------------- >> System | device: >> '/sys/devices/platform/soc/soc:internal-regs/d005e000.usb/usb1/1-1' >> | drivers: 'cdc_mbim' >> | plugin: 'Generic' >> | primary port: 'cdc-wdm0' >> | ports: 'cdc-wdm0 (mbim), wwan0 (net)' >> > > So the modem doesn't expose any AT capable TTY in this mode? Is there > any /dev/ttyUSBX exposed that we may not be probing correctly? > >> >>>Also, we'd generally discourage enabling custom AT commands in most >>>situations. Instead, we'd like to learn more about your use-case and see if >>>we can come up with a more >generic way to do >what you want to do. It may >>>well be the case that what you want to do has an analogue in the other >>>protocols like MBIM and QMI, and thus we could expose >that functionality >>>generically via D-Bus >rather than doing one-off things for specific modems. >> >> One of the custom (vendor) AT commands is to switch the firmware (i.e. >> reboot using a different firmware) on the LTE modem based on the SIM card >> information (operator type). Another one (#USBCFG) is to change the USB >> configuration mode (such as, enable MBIM) on the modem device. >> > > Is there a configuration mode that has MBIM+AT? You may want to use > that one instead of the one you currently have, which doesn't seem to > expose any AT capable TTY. >
1204 composition indeed has serial ports, but the PID is missing in option kernel driver. Regards, Daniele > As for the command to reboot with a different firmware; this is > currently a control flow that ModemManager doesn't expect, so probably > the best thing would be to chain a ModemManager stop/start sequence > before/after the firmware update control operation (i.e. ModemManager > not running at all while your other programs do firmware update, > including any AT command required to do so). > >> I may also need some standard AT commands such as +CRSM to query certain SIM >> fields such as APN stored on the SIM, +CGQREQ/ +CGEQOS for quality of >> service profile and +CGDCONTRDP for PDP Context Parameters. >> > > Some of those we already expose in the interfaces, and some others we > could include in the interfaces if they're useful enough. > >> Just a note that the product is a Telit LTE modem hard-wired to a processor >> via USB2.0 HS. The requirement is to select the appropriate protocol >> (MBIM/QMI/PPP) which will provide a control and data path for one or more >> PDP contexts and also monitor all modem and connection statistics and share >> this information with other processes or update SNMP MIBs. I am also looking >> at way for ModemManager to share updates with other processes. >> > > ModemManager has a DBus interface that other processes can use. > libmm-glib is a client-side C library that allows applications to > easily integrate with that DBus interface. mmcli for example is an > application that uses libmm-glib to talk to ModemManager via DBus. > ModemManager "shares" all updates with other processes via DBus, e.g. > with DBus property updates; clients can "connect" to the "update > signals" and get notified right away when the properties change. I'm > sure there are multiple ways you could try to integrate the flow you > need; e.g. with a net-snmp agent monitoring ModemManager interfaces > and publishing your custom OIDs. > > -- > Aleksander > https://aleksander.es > _______________________________________________ > ModemManager-devel mailing list > ModemManager-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel _______________________________________________ ModemManager-devel mailing list ModemManager-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
