Hi all,
I was wondering if anyone knew what system calls one used to get a list
of CAN devices that are up and running via SocketCAN?
I have a cross-platform[1] GUI application (Qt-based) that allows
configuration of some motor controllers via CANbus. The CAN interfacing
is done at the moment via an in-house developed library (which I call
"libcan") which started its life out as a heavily hacked-up version of a
Microchip MCP2515 CAN device driver and API written for MSP430 by
Tritium[1].
Since then, it has been reworked many times, gaining support for the
CAN module built into the TI TMS320LF2406A DSP, Lawicel's CANUSB devices
on Windows, and the SocketCAN interface... with a planned new driver for
Luminary Micro Stellaris controllers coming. Ultimately I hope to
release it as BSD or LGPL someday. It supports one device at a time...
and at the moment, the interface to use is either picked semi-random or
hard-coded.
I'd like to have it provide a list of possible interfaces to the
application for display so that the user can choose at runtime where
appropriate. Ideally a meaningful description would be helpful (e.g.
"vcan0 - Virtual CAN Device" or "slcan0 - Lawicel CAN232 on
/dev/ttyUSB0") but I'm not sure that information is exposed anywhere,
just the device name itself ("vcan0" or "slcan0" in this example) would
suffice.
Is it possible to generate such a list, and how would I go about it?
Regards,
--
Stuart Longland (aka Redhatter, VK4MSL) .'''.
Gentoo Linux/MIPS Cobalt and Docs Developer '.'` :
. . . . . . . . . . . . . . . . . . . . . . .'.'
http://dev.gentoo.org/~redhatter :.'
I haven't lost my mind...
...it's backed up on a tape somewhere.
1. http://www.tritium.com.au -- "libcan"'s grandaddy is the firmware for
the TRI63 "Driver Controls" module.
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