Why can't udev rules be applied here? On Fri, Jun 17, 2011 at 6:48 PM, Fred James <[email protected]> wrote: > Tim Wescott wrote: >> (omissions for brevity) >> I did an experiment: I started with my Fax >> modem and the board I'm developing plugged in. I did ls /dev/ttyU*. >> Then I unplugged the development board and did ls again. Then I plugged >> in a debugger that has its own USB serial port adapter, and did ls >> again. Here's my results: >> >> tim@servo:~$ ls /dev/ttyU* >> /dev/ttyUSB0 /dev/ttyUSB1 >> tim@servo:~$ ls /dev/ttyU* >> /dev/ttyUSB0 >> tim@servo:~$ ls /dev/ttyU* >> /dev/ttyUSB0 /dev/ttyUSB1 >> >> What _did_ happen is that at different times the same device -- ttyUSB1 >> -- got mapped to different physical devices. That is what I _do not_ >> want to happen. What I want to happen is to plug in the development >> board and have /dev/ttyUSBdevelop appear, and to plug in the debugger >> and have /dev/ttyUSBdebug appear (or some similar me-defined mapping). >> Different devices. Different, _unique_, identifiers. >> >> Otherwise, every time I plug a bunch of stuff in to the machine, I'm >> going to have to do a bunch of hand work to figure out what ports map to >> what devices at the moment. >> > Tim Wescott > Thought 1: If you can use CLI (command line interface) to determine > what you need to know, then a (BASH) script can be written to do that. > Thought 2: If a device can be identified (example: ttyUSB1 is the > debugger), then it can be mounted to a directory (example: ~/debugger) > Thought 3: If 1 and if 2, then the two can be written together in a script. > Does any of that help? > Regards > Fred James > > _______________________________________________ > PLUG mailing list > [email protected] > http://lists.pdxlinux.org/mailman/listinfo/plug >
-- Andrew Jackman [email protected] _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
