V
4  
Tags
There are no tags for this page.
Attachments
Dobrica Pavlinušić's random unstructured stuff
lirc

Hints about using recent lirc

ir-ctl

install

# 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

sniff

root@nuc2:~# ir-ctl -r -m -v

gpio-ir-tx

send IR signals using GPIO on cubieboard

device tree

https://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





 

Upload Files

Click "Browse" to find the file you want to upload. When you click "Upload file" your file will be uploaded and added to the list of attachments for this page.

Maximum file size: 50MB

 
 
 
File Name Author Date Uploaded Size

Save Page As

Enter a meaningful and distinctive title for your page.

Page Title:

Tip: You'll be able to find this page later by using the title you choose.

Page Already Exists

There is already a page named XXX. Would you like to:

Save with a different name:

Save the page with the name "XXX"

Append your text to the bottom of the existing page named: "XXX"

Upload Files

Click "Browse" to find the file you want to upload. When you click "Add file" this file will be added to the list of attachments for this page, and uploaded when you save the page.

 
 
 
Add Tags

Enter a tag and click "Add tag". The tag will be saved when you save the page.

Tag: 

Suggestions: