Go D-Bus bindings for ModemManager

Additional information: ModemManager D-Bus Specs

Tested with ModemManager - Version 1.12.8, Go 1.13, on Debian Buster (armv7) with Kernel 5.4.x and libqmi 1.24.6.

Test hardware: SolidRun Hummingboard Edge and a Quectel EC25 - EC25EFA mini pcie modem.

Notes

ModemManager works great together with GeoClue. A dbus wrapper can be found here.

A NetworkManager dbus wrapper in golang can be found here.

Status

Some methods/properties are untested as they are not supported by my modem/lack of how to use them. See todo tags in the code.

Installation

This packages requires Go 1.13 (for the dbus lib). If you installed it and set up your GOPATH, just run:

go get -u github.com/maltegrosse/go-modemmanager

Usage

You can find some examples in the examples directory.

Limitations

Not all interfaces, methods and properties are supported in QMI or AT mode. In addition, not all methods and properties are supported by every modem. A brief overview of the availability of each interface by using Quectel EC-25:

Interface	QMI	AT
ModemManager1	true	true
Modem	true	true
Simple	true	true
Modem3gpp	true	true
Ussd	false	true
ModemCdma	false	false
Messaging	true	false
Location	true	true
Time	true	true
Firmware	true	true
Signal	true	false
Oma	false	false
Bearer	true	true
Sim	true	true
SMS	true	true
Call	true	true

License

MIT license

Copyright 2020 © Malte Grosse.

Other:

• ModemManager Logo under GPLv2+

• GoLang Logo under Creative Commons Attribution 3.0