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    Mausberry Shutdown Script Doesn't Save Metadata

    Scheduled Pinned Locked Moved ControlBlock, PowerBlock & Co.
    mausberry
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    • meleuM
      meleu @lostless
      last edited by meleu

      @lostless please, try this one:

      #!/bin/bash
      
      #this is the GPIO pin connected to the lead on switch labeled OUT
      GPIOpin1=23
      
      #this is the GPIO pin connected to the lead on switch labeled IN
      GPIOpin2=24
      
      echo "$GPIOpin1" > /sys/class/gpio/export
      echo "in" > /sys/class/gpio/gpio$GPIOpin1/direction
      echo "$GPIOpin2" > /sys/class/gpio/export
      echo "out" > /sys/class/gpio/gpio$GPIOpin2/direction
      echo "1" > /sys/class/gpio/gpio$GPIOpin2/value
      
      file="/sys/class/gpio/gpio$GPIOpin1/value"
      
      while true; do
          power="$(cat "$file")"
          if [[ "$power" == 0 ]];
              sleep 1
          else
              emu_command="$(sed -n 4p /dev/shm/runcommand.info)"
              [[ -n "$emu_command" ]] && pkill -f "${emu_command%% *}" && sleep 5
      
              espid=$(pgrep -f "/opt/retropie/supplementary/.*/emulationstation([^.]|$)")
              if [[ "$espid" ]]; then
                  touch /tmp/es-shutdown && chown pi:pi /tmp/es-shutdown
                  kill "$espid"
              fi
      
              sudo poweroff
          fi
      done
      
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      lostlessL 1 Reply Last reply Reply Quote 0
      • lostlessL
        lostless @meleu
        last edited by

        @meleu your new script is still doing nothing and mine worked just like the 1.2.

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        • meleuM
          meleu @lostless
          last edited by

          @lostless helping with this blind coding is very hard. I'm giving up...

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          • lostlessL
            lostless @meleu
            last edited by

            @meleu sounds good man. it was fun. the 1.2 works fine, a lot better then always losing meta data all the time.

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            • meleuM
              meleu @lostless
              last edited by meleu

              @lostless where is this script placed? what directory?

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              • lostlessL
                lostless @meleu
                last edited by

                @meleu location is /etc/switch.sh

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                • lostlessL
                  lostless @meleu
                  last edited by lostless

                  @meleu My frankenstein script is working. Thank you so much for giving me insight. I know i didnt contribute anything to the code, but I feel like a kid in the 80/90s, discovering computers before they were made easy to use.
                  i found you need to give time for retroarch to quit and emulation station to reload before you try quit emulation station. i gave it 12 seconds. 5 was not enough, by the time the emulator quit, emulation station was not fully loaded back in.

                  here is what i came up with

                  #!/bin/bash
                  
                  #this is the GPIO pin connected to the lead on switch labeled OUT
                  GPIOpin1=23
                  
                  #this is the GPIO pin connected to the lead on switch labeled IN
                  GPIOpin2=24
                  
                  echo "$GPIOpin1" > /sys/class/gpio/export
                  echo "in" > /sys/class/gpio/gpio$GPIOpin1/direction
                  echo "$GPIOpin2" > /sys/class/gpio/export
                  echo "out" > /sys/class/gpio/gpio$GPIOpin2/direction
                  echo "1" > /sys/class/gpio/gpio$GPIOpin2/value
                  while [ 1 = 1 ]; do
                  power=$(cat /sys/class/gpio/gpio$GPIOpin1/value)
                  if [ $power = 0 ]; then
                  sleep 1
                  else
                  
                  # End Emulationstation if condition of running binary is true
                  # v1.0 07/21/17 by cyperghost - Inital run 
                  # v1.1 07/22/17 - Added chown command to set right user permission for creating es-shutdown
                  # v1.2 07/23/17 - Some small improvments, easier to maintain, removed echo, removed else branch 
                  # v1.works 7/27/17 (are we even trying to number this)  @lostless figured it out. More time to quit emulator and reload emulation station before shutdown. @cyperghost  thank you for initial run. @meleu thank you for your insight
                          emu_command="$(sed -n 4p /dev/shm/runcommand.info)"
                          [[ -n "$emu_command" ]] && pkill -f "${emu_command%% *}" && sleep 12
                  
                  espid=$( pgrep -f "/opt/retropie/supplementary/.*/emulationstation([^.]|$)" ) # detect PID of ES binary only
                  if [ "$espid" ]; then
                     touch /tmp/es-shutdown && chown pi:pi /tmp/es-shutdown
                     kill $espid
                     exit
                  fi
                  # End Emulationstation if condition of running binary is true
                  
                  sudo poweroff
                  fi
                  done
                  

                  @cyperghost Thank you for the first script up to 1.2.
                  @hansolo77 give this a try. its working for me quite well.

                  meleuM 1 Reply Last reply Reply Quote 0
                  • meleuM
                    meleu @lostless
                    last edited by meleu

                    @lostless can you try this one:

                    #!/bin/bash
                    
                    #this is the GPIO pin connected to the lead on switch labeled OUT
                    GPIOpin1=23
                    
                    #this is the GPIO pin connected to the lead on switch labeled IN
                    GPIOpin2=24
                    
                    echo "$GPIOpin1" > /sys/class/gpio/export
                    echo "in" > /sys/class/gpio/gpio$GPIOpin1/direction
                    echo "$GPIOpin2" > /sys/class/gpio/export
                    echo "out" > /sys/class/gpio/gpio$GPIOpin2/direction
                    echo "1" > /sys/class/gpio/gpio$GPIOpin2/value
                    
                    while [ 1 = 1 ]; do
                        power=$(cat /sys/class/gpio/gpio$GPIOpin1/value)
                        if [ $power = 0 ]; then
                            sleep 1
                        else
                            emu_command="$(sed -n 4p /dev/shm/runcommand.info)"
                            [[ -n "$emu_command" ]] && pkill -f "${emu_command%% *}" && sleep 12
                    
                            espid=$( pgrep -f "/opt/retropie/supplementary/.*/emulationstation([^.]|$)" )
                            if [ "$espid" ]; then
                                touch /tmp/es-shutdown && chown pi:pi /tmp/es-shutdown
                                kill $espid
                                exit
                            fi
                    
                            sudo poweroff
                        fi
                    done
                    

                    It's exactly the same script as your Frankenstein, but with a nice indentation. If it works I will try one step further...
                    I really would like to avoid that loop every single second!

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                    • cyperghostC
                      cyperghost @hansolo77
                      last edited by cyperghost

                      @hansolo77 said in Mausberry Shutdown Script Doesn't Save Metadata:

                      Testing v1.5 from here now....

                      Take away - Looks like the script is properly closing out of the game I'm playing and returning to ES for a shutdown, but it's not saving the metadata when it shuts that down. I wonder if it's getting hung up in the if functions, not finding a valid true and going to the bottom of the script to the original poweroff without exiting ES first...

                      You are 100% right.... made a small mistake - I forget to add exit command to break loop! Thank you

                      So quick question... anybody know how to make a profile in Putty so it can automatically log in (username/password) so I don't have to keep typing it every time I try one of these tests? :)

                      @lostless - version 1.5 should work now!
                      Sorry... I forget to exit the loop thanks to @hansolo77 he helped me to detect the bug.

                      Please mates try again with v1.5 of exit script (with working exit command now)

                      I give you 100% working guarantee on this ;) You maybe have to extend timer.
                      I would prefer this to @meleu solution because the sleep timer isn't used if there is no emulator running and the PID is detected and stored as $espid and $emupid This script can be extended to play and/or control backgroundmusic for ex. because it extracts PID

                      @meleu Do you think you can break the endless 1 second loop?

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                      • meleuM
                        meleu @cyperghost
                        last edited by

                        @cyperghost said in Mausberry Shutdown Script Doesn't Save Metadata:

                        @meleu Do you think you can break the endless 1 second loop?

                        yes.

                        I googled about how this device works and I think I found a solution. This is my last atempt...

                        Some notes about what I found:

                        • this script is called at boot (/etc/rc.local)

                        • After changing the script the user needs to reboot to check if it will work.

                        Some notes about the script below, v1.6 (OK, let's put a version to avoid confusion):

                        • I think that at the time of calling the file we are monitoring doesn't exist (that's why I'm putting a sleep before monitoring the file.

                        • I'm not getting why the f&$%k that exit after killing ES is needed. It makes the script stop at the exit, and then the sudo poweroff won't be executed. The strange thing is that the exit is present on v1.2 and @lostless says that it's working...

                        • before this script needs the inotify-tools installed.

                        #!/bin/bash
                        # Before using this script you need to install inotify-tools:
                        #
                        #    sudo apt-get install inotify-tools
                        #
                        # I'm just trying to help with the script logic here.
                        # I DON'T HAVE A MAUSEBERRY AND DIDN'T TEST THE GPIO STUFF HERE!
                        #
                        #########################################################
                        #  U S E   I T   A T   Y O U R   O W N   R I S K ! ! !  #
                        #########################################################
                        #
                        # meleu - July/2017
                        # kudos for @cyperghost , who is very persistent in help you guys! :-)
                        
                        #this is the GPIO pin connected to the lead on switch labeled OUT
                        GPIOpin1=23
                        
                        #this is the GPIO pin connected to the lead on switch labeled IN
                        GPIOpin2=24
                        
                        echo "$GPIOpin1" > /sys/class/gpio/export
                        echo "in" > /sys/class/gpio/gpio$GPIOpin1/direction
                        echo "$GPIOpin2" > /sys/class/gpio/export
                        echo "out" > /sys/class/gpio/gpio$GPIOpin2/direction
                        echo "1" > /sys/class/gpio/gpio$GPIOpin2/value
                        
                        file="/sys/class/gpio/gpio$GPIOpin1/value"
                        
                        # up to here this code is executed at booting (/etc/rc.local)
                        # let's wait for the creation of the "/sys/class/gpio/gpio$GPIOpin1/value"
                        sleep 30 # not sure if 30 seconds is a good value...
                        
                        while inotifywait -qq -e modify "$file" ; do
                            power="$(cat "$file")"
                            [[ "$power" == 0 ]] && continue
                        
                            emu_command="$(sed -n 4p /dev/shm/runcommand.info)"
                            [[ -n "$emu_command" ]] && pkill -f "${emu_command%% *}" && sleep 12 # the value of 12 was suggested by @lostless 
                        
                            espid=$(pgrep -f "/opt/retropie/supplementary/.*/emulationstation([^.]|$)")
                            if [[ "$espid" ]]; then
                                touch /tmp/es-shutdown && chown pi:pi /tmp/es-shutdown
                                kill "$espid"
                        
                                # I'm not getting why the heck this exit is necessary, it makes
                                # the "sudo poweroff" not be executed if the logic reaches this point
                                exit
                            fi
                        
                            sudo poweroff
                        done
                        
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                        • cyperghostC
                          cyperghost @meleu
                          last edited by cyperghost

                          @meleu That's easy....
                          The exit is needed becasue it ends the mausberry GPIO script and gives control to emulationstation.sh for proper exit

                          Can you please exchange your lines

                              emu_command="$(sed -n 4p /dev/shm/runcommand.info)"
                              [[ -n "$emu_command" ]] && pkill -f "${emu_command%% *}" && sleep 12 # the value of 12 was suggested by @lostless 
                          

                          with this one?

                          emupid="$(sed -n 4p /dev/shm/runcommand.info)"                                #v1.5 @meleu readout 4th line command.info 
                          emupid="$(pgrep -f "${emupid%% *}")"                                          #v1.5 optain PID emucall by runcommand.sh
                          
                          if [ "$emupid" ]; then                                                        #v1.5 check correct PID > avoid sleeptimer if shutdown from ES
                              kill $emupid && sleep 10
                          fi    
                          

                          It is really the better way. Because you check value of command.info ... this value will also be active if you are back in ES so your [[ -n "$emu_command" ]] is always true and the sleep timer will used in every situation. Even if an emulator is not active. So this would be the last version called 1.6 release :)

                          This is my last atempt...

                          Haha ... we will see my friend :)

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                          • meleuM
                            meleu @cyperghost
                            last edited by

                            @cyperghost said in Mausberry Shutdown Script Doesn't Save Metadata:

                            The exit is needed becasue it ends the mausberry GPIO script and gives control to emulationstation.sh for proper exit

                            You're right. Good catch!

                            The nerdy stuff we can discuss on our other thread ;-)

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                            • cyperghostC
                              cyperghost @meleu
                              last edited by cyperghost

                              @meleu @hansolo77 @lostless

                              This is also my last posting on this theme!

                              We have three working versions now!

                              meleus version 1.6 which got all features of v1.5 but gots faster GPIO response (breaks 1 second loop, use inotify tool - it's not finished now so WIP)

                              cyperghosts + meleus version 1.56 which will end ES and all emulators called by runcommand.sh

                              cyperghosts version 1.2 which just ends ES

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                              • meleuM
                                meleu @cyperghost
                                last edited by

                                @cyperghost the credit for v1.6 is not meleu's only! :)
                                By the way, are you sure it really works?

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                                • cyperghostC
                                  cyperghost @meleu
                                  last edited by cyperghost

                                  @meleu Yes it should work. I tested it via SSH only but I also took investigation into the python ESC-script. There is a sleep timer of 10 seconds... so 10 seconds should be a good value :)

                                   for pid in pids:
                                          try:
                                              commandpath = open(os.path.join('/proc', pid, 'cmdline'), 'rb').read()
                                              if commandpath[0:24] == '/opt/retropie/emulators/':
                                                  os.system('kill -QUIT %s' % pid)
                                                  print('kill -QUIT %s' % pid)
                                          except IOError:
                                              continue
                                  

                                  It uses kill PIDcommand to end emulators in path with path /opt/retropie/emulators/

                                  Your RegEx sniplets matches better :) So it works - to 100% I guarantee (tested with N64Glide and zdoom) ... there the python script would fail :)

                                  for v1.6 the GPIO tuning part is 100% yours. So you created it! The others part are nearly same as 1.5 so it should also work.
                                  Finetunig is not included like setting sleeptimers and notify - Do you agree?

                                  You also invested much time and you improved my commands and coding style as I explaind you the need of f%&/! exit command or introduced the second % in pkill -f "${emu_command%% *}" for example. But it is nothing against the && explaination and your RegEx magic, the magic of the testing command, the sed-command, the investigation of the runcommand.info-file ....

                                  So thank you :)

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                                  • lostlessL
                                    lostless @meleu
                                    last edited by

                                    @meleu 1.6 does not work. It acts as if the switch is not working. The inotify i don't think is being triggered.

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                                    • cyperghostC
                                      cyperghost @lostless
                                      last edited by cyperghost

                                      @lostless How about 1.5? Did you check if the script is loaded? Are the permissions are right setted?

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                                      • lostlessL
                                        lostless @cyperghost
                                        last edited by

                                        @cyperghost 1.5 works. which script are we talking about? the one we've been working on? I'm assuming so because it works when not trying to use inotify.

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                                        • meleuM
                                          meleu @lostless
                                          last edited by

                                          @lostless said in Mausberry Shutdown Script Doesn't Save Metadata:

                                          @meleu 1.6 does not work.

                                          WTF?!!!!

                                          It's now a matter of honor!

                                          Let me just put the kids to sleep (4-6 hours) and I'll get this achievement make it work!

                                          (By the way, my first try will be to use the full path to inotifywait. If you know how to do it, please try it in advance.)

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                                          • cyperghostC
                                            cyperghost
                                            last edited by cyperghost

                                            @lostless Okay good news!
                                            I'm a bit unaware of the inotify thing but I see no error in the script.
                                            So I think you've three choices

                                            1. Use 1.5 it will work with PowerOff in ES and emulator screen and will properly save metadata (easiest approch, because it's ready setted)
                                            2. Investigate to 1.6... I see no errors in the script, it may be a file permission error or inotify works wrong
                                            3. Create new script and touch control ...
                                              3.1 I was able to get in touch with gpio-watch and it worked really fine with some scripts I made and it debounces switches relativly good. All in all it's also a lightweight
                                              3.2 Use wiringPi (overloaded) and use it's posibilty for IRQ
                                              3.3 There are tons of other GPIO libaries ...

                                            It's now a matter of honor!

                                            Surly!
                                            @meleu I already said, you're not finished with that :)
                                            But I'm glad that you made detection via file change ... So I hope you'll get it to run.

                                            I just checked v1.6 there seems to be no typing mistake or mistake in GPIO numbering!


                                            For maintainig ... If you are finished with 1.6
                                            Can you please transform 1.5 in same way (coding style and layout) as 1.6? But withouth the inotify-thing?
                                            So we have 2 versions

                                            1. Version 1.5 that just works without installing anything
                                            2. Version 1.6 with improved GPIO handling, but needs a new package
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