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Dobrica Pavlinušić's random unstructured stuff
lirc
Hints about using recent lirc
ir-ctlinstall# apt install v4l-utils root@nuc2:~# ir-ctl --features Receive features /dev/lirc0: - Device can receive raw IR - Set receive carrier - Can set recording timeout min:100000 microseconds max:1000000 microseconds Send features /dev/lirc0: - Device can send raw IR - Set carrier - Set duty cycle sniffroot@nuc2:~# ir-ctl -r -m -v gpio-ir-txsend IR signals using GPIO on cubieboard device treehttps://github.com/dpavlin/linux-gpio-pinout/blob/master/device-tree/gpio-ir-tx.dts
/*
* add gpio-ir-tx to enable ir send on sunxi
* for RM Mini 3 IR board connected to pins
*/
/dts-v1/;
/plugin/;
/ {
compatible = "allwinner,sun4i-a10", "allwinner,sun7i-a20", "allwinner,sun50i-a64", "allwinner,sun50i-h5";
/* Documentation/devicetree/bindings/leds/irled/gpio-ir-tx.txt */
fragment@0 {
target-path = "/";
__overlay__ {
irled@0 {
compatible = "gpio-ir-tx";
gpios = <&pio 1 10 0>; /* PB10 GPIO_ACTIVE_HIGH */
};
};
};
};
root@cubieboard:~# modinfo gpio-ir-tx
filename: /lib/modules/4.19.44-sunxi/kernel/drivers/media/rc/gpio-ir-tx.ko
license: GPL
author: Sean Young <sean@mess.org>
description: GPIO IR Bit Banging Transmitter
alias: of:N*T*Cgpio-ir-txC*
alias: of:N*T*Cgpio-ir-tx
depends:
intree: Y
name: gpio_ir_tx
vermagic: 4.19.44-sunxi SMP mod_unload ARMv7 thumb2 p2v8
root@cubieboard:/home/dpavlin/linux-gpio-pinout# armbian-add-overlay device-tree/gpio-ir-tx.dts
Compiling the overlay
Copying the compiled overlay file to /boot/overlay-user/
Reboot is required to apply the changes
root@cubieboard:/home/dpavlin/linux-gpio-pinout# ./overlay-load.sh /boot/overlay-user/gpio-ir-tx.dtbo
+ dtb=/boot/overlay-user/gpio-ir-tx.dtbo
+ test -f /boot/overlay-user/gpio-ir-tx.dtbo
+ + awkmount { print $3 }
-t configfs
+ config=/sys/kernel/config
+ basename /boot/overlay-user/gpio-ir-tx.dtbo
+ name=gpio-ir-tx.dtbo
+ dir=/sys/kernel/config/device-tree/overlays/gpio-ir-tx.dtbo
+ test -d /sys/kernel/config/device-tree/overlays/gpio-ir-tx.dtbo
+ mkdir /sys/kernel/config/device-tree/overlays/gpio-ir-tx.dtbo
+ cat /boot/overlay-user/gpio-ir-tx.dtbo
+ cat /sys/kernel/config/device-tree/overlays/gpio-ir-tx.dtbo/status
applied
root@cubieboard:/home/dpavlin/linux-gpio-pinout# [Sun Jun 2 19:51:10 2019] rc rc1: GPIO IR Bit Banging Transmitter as /devices/platform/irled@0/rc/rc1
[Sun Jun 2 19:51:10 2019] rc rc1: lirc_dev: driver gpio-ir-tx registered at minor = 1, no receiver, raw IR transmitter
[Sun Jun 2 19:51:10 2019] rc rc1: GPIO IR Bit Banging Transmitter as /devices/platform/irled@0/rc/rc1
[Sun Jun 2 19:51:10 2019] rc rc1: lirc_dev: driver gpio-ir-tx registered at minor = 1, no receiver, raw IR transmitter
root@cubieboard:~# apt-get install v4l-utils # to get ir-ctl
root@cubieboard:~# ir-ctl --device /dev/lirc1 --features
Receive features /dev/lirc1:
- Device cannot receive
Send features /dev/lirc1:
- Device can send raw IR
- Set carrier
- Set duty cycle
diff --git a/lirc/lirc_options.conf b/lirc/lirc_options.conf
index d6ddfcf..d5a6648 100644
--- a/lirc/lirc_options.conf
+++ b/lirc/lirc_options.conf
@@ -8,8 +8,8 @@
[lircd]
nodaemon = False
-driver = devinput
-device = auto
+driver = default
+device = /dev/lirc0
output = /var/run/lirc/lircd
pidfile = /var/run/lirc/lircd.pid
plugindir = /usr/lib/arm-linux-gnueabihf/lirc/plugins
root@cubieboard:/etc/lirc# ls -al /etc/lirc/lircd.conf.d/
total 52
drwxr-xr-x 2 root root 4096 Jun 2 21:04 .
drwxr-xr-x 3 root root 4096 Jun 2 21:57 ..
-rw-r--r-- 1 root root 33704 Apr 6 2017 devinput.lircd.conf.disabled
-rw-r--r-- 1 root root 3383 Jun 2 18:52 lg.conf
-rw-r--r-- 1 root root 615 Apr 6 2017 README.conf.d
root@cubieboard:/etc/lirc# cat /etc/lirc/lircd.conf.d/lg.conf
#
# this config file was automatically generated
# using lirc-0.8.2(iguanaIR) on Thu Jul 15 09:15:21 2010
#
# contributed by Stale Nestas
#
# brand: LG
# model no. of remote control:
# devices being controlled by this remote: LG42H3000
#
begin remote
name LG_42H3000
bits 16
flags SPACE_ENC|CONST_LENGTH
eps 30
aeps 100
header 9008 4442
one 533 1652
zero 533 533
ptrail 535
repeat 9001 2204
pre_data_bits 16
pre_data 0x20DF
gap 107753
toggle_bit_mask 0x0
begin codes
KEY_POWER 0x10EF # Was: power
input 0xD02F
energy 0xA956
tv/rad 0x0FF0
avmode 0x0CF3
KEY_1 0x8877 # Was: 1
KEY_2 0x48B7 # Was: 2
KEY_3 0xC837 # Was: 3
KEY_4 0x28D7 # Was: 4
KEY_5 0xA857 # Was: 5
KEY_6 0x6897 # Was: 6
KEY_7 0xE817 # Was: 7
KEY_8 0x18E7 # Was: 8
KEY_9 0x9867 # Was: 9
KEY_0 0x08F7 # Was: 0
KEY_LIST 0xCA35 # Was: list
qview 0x58A7
KEY_VOLUMEUP 0x40BF # Was: vol+
KEY_VOLUMEDOWN 0xC03F # Was: vol-
KEY_MUTE 0x906F # Was: mute
KEY_CHANNELUP 0x00FF # Was: p+
KEY_CHANNELDOWN 0x807F # Was: p-
KEY_UP 0x02FD # Was: up
KEY_DOWN 0x827D # Was: down
KEY_LEFT 0xE01F # Was: left
KEY_RIGHT 0x609F # Was: right
KEY_OK 0x22DD # Was: ok
KEY_MENU 0xC23D # Was: menu
KEY_EXIT 0x14EB # Was: return/exit
KEY_RED 0x4EB1 # Was: red
KEY_GREEN 0x8E71 # Was: green
KEY_YELLOW 0xC639 # Was: yellow
KEY_BLUE 0x8679 # Was: blue
KEY_TEXT 0x04FB # Was: text
topt 0x847B
KEY_SUBTITLE 0x9C63 # Was: subtitle
simplink 0x7E81
qmenu 0xA25D
KEY_INFO 0x55AA # Was: info
# KEY_INFO 0xD52A # Was: guide
KEY_FAVORITES 0x7887 # Was: fav
end codes
end remote
RaspberryPihttps://www.raspberrypi.org/forums/viewtopic.php?t=235256 sudo apt install dh-exec doxygen expect libasound2-dev libftdi1-dev libsystemd-dev libudev-dev libusb-1.0-0-dev libusb-dev man2html-base portaudio19-dev socat xsltproc python3-yaml dh-python libx11-dev python3-dev python3-setuptools mkdir build cd build apt source lirc wget https://raw.githubusercontent.com/neuralassembly/raspi/master/lirc-gpio-ir-0.10.patch patch -p0 -i lirc-gpio-ir-0.10.patch cd lirc-0.10.1 debuild -uc -us -b cd .. sudo apt install ./liblirc0_0.10.1-5.2_armhf.deb ./liblircclient0_0.10.1-5.2_armhf.deb ./lirc_0.10.1-5.2_armhf.deb so, let's rebuild lircd pi@rpi2 ~ $ sudo apt-get build-dep lirc pi@rpi2 ~ $ sudo bash root@rpi2:/home/pi# mkdir build-lirc root@rpi2:/home/pi# cd build-lirc/ root@rpi2:/home/pi/build-lirc# apt source lirc root@rpi2:/home/pi/build-lirc# wget https://raw.githubusercontent.com/neuralassembly/raspi/master/lirc-gpio-ir-0.10.patch root@rpi2:/home/pi/build-lirc# patch -p0 -i lirc-gpio-ir-0.10.patch root@rpi2:/home/pi/build-lirc# cd lirc-0.10.1/ root@rpi2:/home/pi/build-lirc/lirc-0.10.1# apt install devscripts # debuild root@rpi2:/home/pi/build-lirc/lirc-0.10.1# debuild -uc -us -b |
