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Diffstat (limited to 'docs/reference/api/ModemManager-overview.xml')
| -rw-r--r-- | docs/reference/api/ModemManager-overview.xml | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/docs/reference/api/ModemManager-overview.xml b/docs/reference/api/ModemManager-overview.xml index 751dc68..7dad85a 100644 --- a/docs/reference/api/ModemManager-overview.xml +++ b/docs/reference/api/ModemManager-overview.xml @@ -8,30 +8,31 @@ <chapter id="ref-overview-introduction"> <title>Introduction</title> <para> - ModemManager provides a unified high level API for communicating with - (mobile broadband) modems. While the basic commands are standardized, - the more advanced operations (like signal quality monitoring while - connected) varies a lot. + ModemManager provides a unified high level API for communicating with mobile + broadband modems, regardless of the protocol used to communicate with the + actual device (Generic AT, vendor-specific AT, QCDM, QMI, MBIM...). </para> <formalpara> <title>Using</title> <para> ModemManager is a system daemon and is not meant to be used directly from - the command line. However, a command line client (mmcli) is provided, which - may be used to test the different functionality provided during plugin - development. + the command line. However, since it provides a DBus API, it is possible to use + 'dbus-send' commands or the new 'mmcli' command line interface to control it + from the terminal. The devices are queried from udev and automatically updated + based on hardware events, although a manual re-scan can also be requested to + look for RS232 modems. </para> </formalpara> <formalpara> <title>Implementation</title> <para> ModemManager is a DBus system bus activated service (meaning it's started - automatically when a request arrives). It is written in C. The devices are - queried from udev and automatically updated based on hardware events. There are - DBus-interface specific GInterfaces, which should be implemented by any device - specific implementation. There is a generic MMBroadbandModem implementation that - provides a generic implementation of the most common operations in both GSM and - CDMA modems. + automatically when a request arrives). It is written in C, using glib and gio. + Several GInterfaces specify different features that the modems support, + including the generic MMIfaceModem3gpp and MMIfaceModemCdma which provice basic + operations for 3GPP (GSM, UMTS, LTE) or CDMA (CDMA1x, EV-DO) modems. If a given + feature is not available in the modem, the specific interface will not be + exported in DBus. </para> </formalpara> <formalpara> @@ -39,10 +40,13 @@ <para> Plugins are loaded on startup, and must implement the MMPlugin interface. It consists of a couple of methods which tell the daemon whether the plugin - supports a port and to create custom modem implementations. It most likely - makes sense to derive custom modem implementations from one of the generic - classes and just add (or override) operations which are not standard. Writing - new plugins is highly encouraged! + supports a port and to create custom MMBroadbandModem implementations. It most + likely makes sense to derive custom modem implementations from one of the + generic classes and just add (or override) operations which are not standard. + There are multiple fully working plugins in the plugins/ directory that can be + used as an example for writing new plugins. Writing new plugins is highly + encouraged! The plugin API is open for changes, so if you're writing a plugin + and need to add or change some public method, feel free to suggest it! </para> </formalpara> </chapter> |