Debian Hardware :: Device Event Designator Changes With Each Reboot
Jul 31, 2015
Currently using a USB mouse, keyboard and the USB touch input from an Elo touchscreen connected to a Raspberry Pi (using the Raspbian flavor of Debian) through a USB hub and when I query the content of the directory /dev/input/ I get 4 "events" with each event designation associated with one of the input devices (the 4th one never seems to be active??).
pi@raspberrypi /dev/input $ ls -la
total 0
drwxr-xr-x 4 root root 240 Jul 29 02:20 .
drwxr-xr-x 12 root root 3300 Jul 29 02:23 ..
drwxr-xr-x 2 root root 160 Jul 29 02:20 by-id
drwxr-xr-x 2 root root 160 Jul 29 02:20 by-path
crw-rw---T 1 root input 13, 64 Jan 1 1970 event0
[Code] ....
If I examine an "event" characteristics using the linux utility "evtest" - example "event0" , I "might" get:
pi@raspberrypi /dev/input $ evtest event0
Input driver version is 1.0.1
Input device ID: bus 0x3 vendor 0x4e7 product 0x20 version 0x100
Input device name: "Elo TouchSystems, Inc. Elo TouchSystems 2700 IntelliTouch(r) USB Touchmonitor Interface"
[Code] ....
which is the Elo touchscreen.
But if I reboot the Raspberry Pi - I can also get for an evtest of "event0":
pi@raspberrypi /dev/input $ evtest event0
Input driver version is 1.0.1
Input device ID: bus 0x3 vendor 0x413c product 0x3010 version 0x100
Input device name: "HID 413c:3010"
[Code] ....
which is the USB mouse.....
It appears as if the assignment of the "eventX" identifiers (i.e. the "X") is arbitrary and it can vary with each reboot... which is problematic as I need to identify which "device" will provide the touch events for openframeworks. Is there a way to assign a specific device to a specific "eventX" designation ???
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Code:
(II) config/udev: Adding input device Keypad Emulation Driver (/dev/input/event7)
(**) Keypad Emulation Driver: Applying InputClass "evdev keyboard catchall"
[code]....
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[Code]...
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[Code]...
I thought, maybe there is a lack of a sound theme, so I also installed freedesktop-sound-theme, but that didn't help. I did already searched with Google and in this forum, but have found nothing that would help me. I would be very happy if anyone can give me an advice what to check or has a link to a tutorial for this sounds.
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Code:
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Code:
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Code:
<notice -- Apr 15 12:35:55.954677000> boot.localfs start
Waiting for /dev/myVG/ibmLV . no more events
[Code]....
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Quote:
Boot Info Script 0.60 from 17 May 2011
============================= Boot Info Summary: ===============================
=> No boot loader is installed in the MBR of
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ddf1_00000000000000004b1ba2914b1ba291f5010000f5010 0001: ________________________
[code]....
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Code:
grep lxc /var/log/messages |tail -n 2
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[code]...
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root@Cyberdyne:~# hostnamectl
Static hostname: Cyberdyne
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