IR blaster functionality
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Posts: 56
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Joined: Mar 2019
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Location: Australia
23-Oct-2020, 08:36 AM
(This post was last modified: 23-Oct-2020, 09:04 AM by davem.)
(14-Oct-2020, 10:49 AM)davem Wrote: Have just got to have a bit of a play with this and am having trouble with the device. Whenever I try an 'irsend' I get an error saying hardware does not support sending. I am pretty sure that it is related to the 'device' definition.
If I use the snakeoil GUI, under the ALSA config I can see that there is a device ALC283 Analog (hw:0,0)- this is the onboard audio for my NUC. Tried all variations of the name as a 'device' when starting lirc but still get the unable to send error.
I found that 'aplay -l' & 'arecord -l' and 'cat /proc/asound/cards' will list the audio devices on your system. Interestingly aplay & arecord report no soundcards found !
david@NUC:/etc/lirc$ aplay -l
aplay: device_list:270: no soundcards found...
david@NUC:/etc/lirc$ arecord -l
arecord: device_list:270: no soundcards found..
but detected here
david@NUC:/etc/lirc$ cat /proc/asound/cards
0 [PCH ]: HDA-Intel - HDA Intel PCH <<-------------
HDA Intel PCH at 0xd0710000 irq 90
1 [DAC ]: USB-Audio - USB Audio DAC
Burr-Brown from TI USB Audio DAC at usb-0000:00:14.0-2, full speed
The doc from lirc (https://www.lirc.org/html/audio.html) says that the log file should list device found but I dont get any entries here either. It does however give an error on startup - lircd-0.10.0[10875]: Error: No matching /dev/lirc device found for "auto" (auto was one of my device attempts)
From this it seems (to me, remember limited linux here) that the audio device is somehow not available to the system & lirc. Since snakeoil is able to 'see' it, could it be possibly taking exclusive control of it ?
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RE: IR blaster functionality - by davem - 23-Oct-2020, 08:36 AM
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