Disable lights with pushbutton?

Arakon · March 25, 2019 at 7:30 PM

Hi.

I'm wondering if there's a way to disable the LED strip using a simple pushbutton connected to the GPIO?
I'm waiting for the LED strip currently, going to set up a HDMI-input ambilight with the standard raspberry-grabber-hdmi splitter-hdmi converter combination.
I saw there are plugins for Kodi etc for this, but no standalone options.

TPmodding · March 25, 2019 at 9:05 PM Official Post

you could start a script to start and kill hyperion..so why not

Arakon · March 26, 2019 at 7:26 PM

I'm very new to the raspberry and not a coder at all (much better at messing with the hardware than the software).. Do you have an example? I tried digging around some already, but all the tutorials seem to require decent coding knowledge and only give parts of the needed info, not a "from scratch" approach.

TPmodding · March 26, 2019 at 7:38 PM Official Post

things to search for: find out how to trigger a script with pushing a button on the gpio pins and then trigger 2 scripts... for example set all leds to black with hyperion-remote -c black and the second would be clear the message with hyperion-remote --clearall

bnealon · March 27, 2019 at 10:44 AM

if you're a smart phone user, your could create and save 2 ssh commands:

Code

sudo systemctl start hyperion.service

and

Code

sudo systemctl stop hyperion.service

Im on iOS and use the native 'shortcuts' app to do just this, i then have these SSH scripts set as two widgets on my smartphone that are quick to access.

Arakon · March 27, 2019 at 1:53 PM

Thanks, but I'd like to have the functionality without having to have my phone nearby.

bnealon · March 27, 2019 at 2:35 PM

You could still use SSH scripts, but wire it upto a physical button using something like nodered, or some other home automation software.

Arakon · March 27, 2019 at 8:24 PM

Ok, I managed to hack together a solution.

Code

#!/usr/bin/env python




import RPi.GPIO as GPIO
import subprocess
import time




GPIO.setmode(GPIO.BCM)
GPIO.setup(3, GPIO.IN, pull_up_down=GPIO.PUD_UP)
state = 0
while True:
    GPIO.wait_for_edge(3, GPIO.FALLING)
    if (state == 0):
        subprocess.call(['hyperion-remote', '-c', 'black'], shell=False)
        state = 1
        time.sleep(0.2)
    elif (state == 1):
        subprocess.call(['hyperion-remote', '--clearall'], shell=False)
        state = 0
        time.sleep(0.2)


GPIO.cleanup()

Display More

This goes in /usr/local/bin/ as hyper-switch.py.
sudo chmod +x /usr/local/bin/hyper-switch.py

Code

#! /bin/sh


### BEGIN INIT INFO
# Provides:          hyper-switch.py
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
### END INIT INFO


# If you want a command to always run, put it here


# Carry out specific functions when asked to by the system
case "$1" in
  start)
    echo "Starting hyper-switch.py - Use pin 5 and GND"
    /usr/local/bin/hyper-switch.py &
    ;;
  stop)
    echo "Stopping hyper-switch.py"
    pkill -f /usr/local/bin/hyper-switch.py
    ;;
  *)
    echo "Usage: /etc/init.d/hyper-switch.sh {start|stop}"
    exit 1
    ;;
esac


exit 0

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This goes in /etc/init.d/ as hyper-switch.sh
sudo chmod +x /etc/init.d/hyper-switch.sh

Finally run
sudo update-rc.d hyper-switch.sh defaults

Reboot.

Connect a pushbutton between pin 5 (GPIO3) and GND.
Pressing the button will toggle between setting the LED strip to all black and resuming normal operation.

The code and info is mostly bits and pieces I found online and adjusted to fit my needs.. it seems to work fine so far.

marpemim · April 23, 2019 at 11:55 AM

Quote from bnealon
if you're a smart phone user, your could create and save 2 ssh commands:
Code
sudo systemctl start hyperion.service
and
Code
sudo systemctl stop hyperion.service
Im on iOS and use the native 'shortcuts' app to do just this, i then have these SSH scripts set as two widgets on my smartphone that are quick to access.

Hello,

I need some similar to coreelec/libreelec, it is possible?

Thanks

Oernifly · February 20, 2020 at 2:52 PM

Quote from marpemim

Hello,
I need some similar to coreelec/libreelec, it is possible?
Thanks

For all who are still searching for the command or just clicked on this thread:

To start hyperionservice just take the command from your autostart.sh in /storage/.config/
In my case its:

Code

/storage/hyperion/bin/hyperiond.sh /storage/.config/hyperion.config.json > /storage/logfiles/hyperion.log 2>&1 &

To stop the hyperion service on Libreelec take this command:

Code

killall hyperiond

This is how i do it. My personally next steps are:
- write a script that kills the hyperion service and changes the resolution to 4k
- write a scirpt that changes the resolution to 1080p and starts the hyperion service (because the RPI4 is not ready for Hyperion+4k yet)

extend with a custom static color for backlight while hyperion (grabber) service is turned off.

chesterflaps · July 5, 2021 at 6:50 PM

bnealon

I am trying to setup the shortcut on iphone that you are using but it won't work. Could you tell me the steps you took to create it please? thank you.

Disable lights with pushbutton?

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