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A New Chapter for MagicMirror: The Community Takes the Lead
Read the statement by Michael Teeuw here.

[MMM-Buttons] Connect multiple buttons to send configurable notifications

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  • I Offline
    istepgueu
    last edited by istepgueu Feb 3, 2017, 10:20 AM Feb 3, 2017, 9:41 AM

    Hi @Jopyth !

    Thanks for your module.

    I would like to use an on / off button instead of a push button
    for my garage door project (https://forum.magicmirror.builders/topic/1620/garage-door-detectors)

    Is there a way to send a notification on “button_up” and an other notification on “Button_down” ?

    Thank you very much ;-)

    1 Reply Last reply Reply Quote 0
    • I Offline
      istepgueu
      last edited by Feb 3, 2017, 5:39 PM

      Does anyone know how to read the initial value of a button (GPIO) before it is run ?

      Thanks.

      1 Reply Last reply Reply Quote 0
      • M Offline
        Mar
        last edited by Feb 6, 2017, 10:52 PM

        @Jopyth Moved my post here out from another thread.

        I am having one more issue though. Using a python test program i can see every single instance of my button press is registered instantly. But in the mirror it seems MMM-Buttons doesnt register pushes unless sometimes I double or triple click…then sometimes the button registers 5-6 times. I’m not really sure how to debug this sort of thing.

        Also would it be right to assume the pull up/down resistors were not enabled with MMM-Buttons?

        I 2 Replies Last reply Feb 6, 2017, 10:56 PM Reply Quote 0
        • I Offline
          istepgueu @Mar
          last edited by Feb 6, 2017, 10:56 PM

          @Mar all is here https://forum.magicmirror.builders/topic/211/button

          ;-)

          M 1 Reply Last reply Feb 6, 2017, 11:21 PM Reply Quote 0
          • I Offline
            istepgueu @Mar
            last edited by Feb 6, 2017, 10:58 PM

            @Mar i have same problem. I run my little script button.py before start MM and its solve the problem

            M 1 Reply Last reply Feb 6, 2017, 11:20 PM Reply Quote 0
            • M Offline
              Mar @istepgueu
              last edited by Mar Feb 6, 2017, 11:35 PM Feb 6, 2017, 11:20 PM

              @istepgueu Ive taken your button.py program and modified it for me two buttons 5/6. And while the program reads my button presses perfectly, MM-Buttons doesnt at all. I pretty much have to double click each time to make a button register. It switches my profiles just fine … but just takes lots of clicks to register.

              import RPi.GPIO as GPIO
              import time
              
              GPIO.setmode(GPIO.BCM)
              GPIO.setup(5, GPIO.IN, pull_up_down=GPIO.PUD_UP)
              GPIO.setup(6, GPIO.IN, pull_up_down=GPIO.PUD_UP)
              
              tries = 0
              
              while (tries < 200000):
                  if GPIO.input(6):
                      print("Open 6")
                  else:
                      print("Close 6")
                  if GPIO.input(5):
                      print("Open 5")
                  else:
                      print ("Close 5")
                  time.sleep(0.5)
                  tries = tries + 1
              
              1 Reply Last reply Reply Quote 0
              • M Offline
                Mar @istepgueu
                last edited by Mar Feb 7, 2017, 12:08 AM Feb 6, 2017, 11:21 PM

                @istepgueu Will take a look through this now, but i already have a 1k resistor between pins 5/6 and the respective button. Hopefully something else comes up here.

                Yes my problem seems a bit opposite of what was posted in your link. I dont have any erroneous button presses, it just takes a few clicks until MMM-Buttons registers the click. You button.py registers every click instantly. So must be something in the buttons code?

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                • J Offline
                  Jopyth Moderator
                  last edited by Jopyth Feb 7, 2017, 12:58 PM Feb 7, 2017, 12:58 PM

                  @Mar @istepgueu The library (onoff) I am currently using does not directly allow configuring pull up and pull down resistors, and I was not able to make it consistently work (see Readme).

                  Therefore I myself made use of the “right” pins for my setup, as the readme says:

                  The defaults can be seen in Table 6-31 on pages 102 and 103 of the BCM2835 ARM Peripherals documentation.

                  There I simply used buttons with the correct default pull-up/pull-down resistor configuration (second column of that table), and I wanted a few pins close together on the board, so I chose GPIO 22,23,24 and 25 (connected 4 buttons), since they all have the default of a low input.

                  Helpful sticky: How to troubleshoot

                  M 1 Reply Last reply Feb 7, 2017, 3:08 PM Reply Quote 0
                  • M Offline
                    Mar @Jopyth
                    last edited by Feb 7, 2017, 3:08 PM

                    @Jopyth Thanks for the response, and that seems to make complete sense. I missed that part in the documentation.

                    Though upon trying PINS 22/23 i am still getting the same result. The button.py program detects each individual click properly, but in the MM I have to double (sometimes triple) click the button so that it registers. I can see it registers as it shows up in the pm2 logs and my profile changes.

                    Im not sure if its an issue with the buttons as they are a standard 4 pin button and the test script works fine with them?

                    J 1 Reply Last reply Feb 7, 2017, 4:15 PM Reply Quote 1
                    • J Offline
                      Jopyth Moderator @Mar
                      last edited by Jopyth Feb 7, 2017, 4:16 PM Feb 7, 2017, 4:15 PM

                      @Mar Well its not, as if it were documented anywhere in my readme. :( Should probably add this somewhere.

                      How long are you pressing the button? For a very short time? Note, that if the press is longer than 500ms it will not be registered as a (short) press (it is the maxShortPressTime and can be configured).

                      If this is not the case, I am sorry, but I have no real idea how to fix it, without having the same situation on my Pi.

                      Helpful sticky: How to troubleshoot

                      M 3 Replies Last reply Feb 7, 2017, 4:18 PM Reply Quote 1
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