Getting IR to work

rheinFrohnatur · October 14, 2016 at 8:50 PM

Hi all,

I am trying to get an IR receiver in combination with my Apple remote to work with my Pi3, running LibreELEC. The IR receiver is connected via GPIO. I never did something like this, so please excuse my questions.

I disabled CEC (as I read this might cause some trouble), extended the config.txt as follows

Code

dtoverlay=lirc-rpi
dtparam=gpio_out_pin=14
dtparam=gpio_in_pin=16
dtparam=gpio_in_pull=down

and rebooted. However, the remote doesn't work and I am trying to figure out a good way to debug my setup.

I checked dmesg for any lirc related entries:

Code

pi:~ # dmesg | grep lirc
[    5.800012] lirc_dev: IR Remote Control driver registered, major 244
[    5.897989] lirc_rpi: module is from the staging directory, the quality is unknown, you have been warned.
[    6.790694] lirc_rpi: auto-detected active high receiver on GPIO pin 16
[    6.792322] lirc_rpi lirc_rpi: lirc_dev: driver lirc_rpi registered at minor = 0
[    6.792351] lirc_rpi: driver registered!
[    7.222330] input: lircd as /devices/virtual/input/input3

To me this looks like the IR receiver has been connected successfully, or am I misunderstanding the output?

From what I understood, irw should printout the input whenever lirc registered a keypress on the remote, regardless if Kodi understands the keypress (e.g. a wrong keymap) or not. But irw just doesn't output anything, so I think the keypresses on my remote are not recognized.

The IR receiver is new works on the same frequency / wavelength as the Apple remote, the remote works fine (just tested it on an Mac Mini).

Any ideas was I did wrong and how I can debug my solution?

Thanks a lot!

**lrusak** · October 14, 2016 at 9:01 PM Official Post

You will probably have to make your own lircd.conf

you can use irrecord to do that.

Otherwise just google lircd apple remote and find a lircd.conf
Then you can place the lircd.conf in /storage/.config/

like this one I found here

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Code

wget -O /storage/.config/lircd.conf https://gist.githubusercontent.com/pda/8252117/raw/56fb05f3fba8d2bdcaec2245bb9942644d4218e1/lircd.conf

then reboot

there is also more here
Index of /remotes/apple

rheinFrohnatur · October 15, 2016 at 10:00 PM

Thanks for the reply.

I tried to create my own lircd.conf using irrecord like so:

Code

pi:~ # irrecord /storage/.config/lircd.conf

Whenever I try to record a new key irrecord complains

Code

irrecord: no data for 10 secs, aborting

so I guess something is wrong with my wirering / the way I tried to make the Pi aware of the IR receiver.

Is there any way to check if the IR receiver was registered successfully?

Thanks!

Getting IR to work

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