On Mon, 2018-10-08 at 18:16 +0200, Aleksander Morgado wrote: > Hey, > > > I'm now working on a modem "Cinterion Gemalto ELS61". And I tried > > to use it with ModemManager. > > ModemManager suggests the "Cinterion" plugin. But somehow, the AT > > command set and some response message format of "Cinterion Gemalto > > ELS61" is different from other modems supported by the "Cinterion" > > plugin. So I wrote a plugin named "G-ELS61" especially for it. > > > > The question is, both "Cinterion" plugin and "G-ELS61" plugin > > support modem "Cinterion Gemalto ELS61". ModemManager will select > > the prior loaded plugin as best-plugin. > > While the order of loading plugins is not fixed in ModemManager > > (Since "readdir()" returns entries in the order that files are > > linked in filesystem). That means ModemManager may use different > > plugin for the same modem on different devices. > > > > Currently, I use a simple workaround to solve the issue. I sort the > > loading order by the plugins' filename before loading. So that I > > can control the loading order of my plugin by its filename. The > > diff log is attached below: > > > > Plugins can say "I don't support this specific device", and so in > your > case you could update the Cinterion plugin so that the specific > vid:pid is listed in MM_PLUGIN_FORBIDDEN_PRODUCT_IDS, and then the > order of loading of plugins is irrelevant, see: > https://www.freedesktop.org/software/ModemManager/api/latest/ref-over > view-modem-port-probing.html#id-1.2.5.4. > > BUT, why is it that the modem cannot be supported by the Cinterion > plugin? Which are the commands that are different? Can the Cinterion > plugin not be updated to support this new model as well?
If it helps to figure that out: https://developer.gemalto.com/sites/default/files/els61-e2_atc_01000.pdf Dan _______________________________________________ ModemManager-devel mailing list ModemManager-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel