Denon RC-1146 remote with Kodi

Today I created a configuration file for my Denon RC-1146 remote. Since Kodi is connected to the DVD input of my amp, I used the remote's default DVD profile.

First, I wired up the IR detector to the Raspberry Pi's GPIO pins as shown in the tutorial.

Because I use OpenELEC rather than RaspBMC, I then had to edit the configuration file to load the device tree overlay.

# mount -o remount,rw /flash
# echo dtoverlay=lirc-rpi >> /flash/config.txt
# mount -o remount,ro /flash

From LibreELEC 9, rc-core is used instead of lircd, so the instructions below will need to change.

For the /storage/.config/lircd.conf file, I tweaked some of the codes for Kodi: the key labelled »menu« on the remote sends a KEY_INFO code since that seems to be the most useful code in Kodi (file info or playing info, respectively). The »top level« key sends KEY_MENU which takes you to Kodi's main menu and toggles the play menu. I assigned KEY_EPG to the »setup« key since KEY_SETUP doesn't seem to do anything while KEY_EPG invokes the context menu in the menu and the decoder info while playing. Finally, I cheekily remapped the »10+« key to KEY_SUBTITLE since the former seems to be unused and I use the latter a lot.

The numeric keys are assigned KEY_NUMERIC prefixes because Kodi requires it.

Also, the key labelled »enter« is assigned to KEY_OK and »return« is assigned to KEY_EXIT since that seems to be more appropriate in the context of lircd.

# Please make this file available to others
# by sending it to <lirc@bartelmus.de>
#
# this config file was automatically generated
# using lirc-0.9.1-git(default) on Tue Apr  5 23:36:06 2016
#
# contributed by <jocki84@googlemail.com>
#
# brand: Denon
# model no. of remote control: RC-1146
# devices being controlled by this remote: Denon DVD Players
# This multi-purpose remote has many emulations, these codes
# were generated using the default setting for DVD, 32134.
#

begin remote

  name  DENON_RC1146_DVD
  bits           15
  flags SPACE_ENC|CONST_LENGTH
  eps            30
  aeps          100

  one           290  1815
  zero          290   760
  ptrail        290
  gap          66911
  toggle_bit_mask 0x0

      begin codes
          KEY_POWER                0x300C
          KEY_UP                   0x08D4
          KEY_DOWN                 0x092B
          KEY_LEFT                 0x082B
          KEY_RIGHT                0x09D4
          KEY_OK                   0x088B # KEY_ENTER
          KEY_INFO                 0x09DB # KEY_MENU
          KEY_MENU                 0x090B # KEY_DVD
          KEY_EPG                  0x08F4 # KEY_SETUP
          KEY_EXIT                 0x0924
          KEY_REWIND               0x089B
          KEY_PLAY                 0x0814
          KEY_FASTFORWARD          0x0964
          KEY_PREVIOUS             0x099B
          KEY_PAUSE                0x091B
          KEY_STOP                 0x09EB
          KEY_NEXT                 0x0864
          KEY_NUMERIC_1            0x0904
          KEY_NUMERIC_2            0x08FB
          KEY_NUMERIC_3            0x0884
          KEY_NUMERIC_4            0x097B
          KEY_NUMERIC_5            0x0984
          KEY_NUMERIC_6            0x087B
          KEY_NUMERIC_7            0x0844
          KEY_NUMERIC_8            0x09BB
          KEY_NUMERIC_9            0x0944
          KEY_NUMERIC_0            0x09FB
          KEY_SUBTITLE             0x08C4 # KEY_102ND
      end codes

end remote

Note for LibreELEC 8.2 In order for lircd to start, it's necessary to

$ touch /storage/.cache/services/lircd.conf

Note for LibreELEC 7.90.008: lircd should be started when the /dev/lirc0 device is created by the lirc_rpi kernel module. This is achieved using udev which starts an appropriate instance of /usr/lib/systemd/system/lircd.service (such as lircd@lirc0:default:lircd.conf.rpi) from /usr/lib/udev/rules.d/98-lircd.rules when the device appears. Occasionally, there might be a link in .config/system.d/multi-user.target.wants which leads to lircd being started before the device node has been created. Such a link should not exist.