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    Emulator Exit button GPIO

    GamePad/GPIO/USB encoder
    button gpio stop emulator
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    • Substring
      Substring last edited by

      Hey !

      That script is great 🙂 your should edit your post to better handle syntax coloring 😉

      The path /opt/retropie/emulators doesn't exist on recalbox. All emulators are stored in /usr/bin, and I wouldt recommend you look for that path. The number of emulators is quite limited : retroarch, mupen64plus, moonlight, scummvm ... Tht.s the ones i can think of right now. I think they are listed in recalboxFiles.py in our configgen python package

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      • supernature2k
        supernature2k last edited by

        Sleep 10?

        Pi powered NES | Gameboy HD | RecalStation | RecalDrive
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        • crispycritter911
          crispycritter911 last edited by

          Yeah, I've copied and pasted it from a Reddit thread. Here is where I got it from.
          https://www.reddit.com/r/raspberry_pi/comments/2yw4fn/finally_set_up_retropie_complete_with_a_gpio/

          I really like the look and feel of RecalBox and wanted to use it in my other pi but had a few hiccups a long the way. One of them being this emulator exit button that I cannot get working on RecalBox. I think the other was the SNES GPIO adapter which I have kind of figured out.

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          • Substring
            Substring last edited by

            The script is not that hard to adapt :

            • list binaries that one wants to shutdown. So far, there is moonlight, retroarch, fba2x, kodilauncher.sh, mupen64plus, scummvm
            • instead of getting cmdline, get exe (it's a symbolic link)
            • check that exe is among the listed binaries. If so, kill the pid

            One could make that script way more dirty : just throw a kill of all known processes, anyway only one of them is supposed to run at once

            The next recalbox version will add those binaries : dosbox, PPSSPPSDL, reicast.elf, linapple, x64

            What's your knowledge of python ?

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            • crispycritter911
              crispycritter911 last edited by

              My knowledge of Python is pretty much nil. I haven't had any real coding background whatsoever. I've tinkered and modified some stuff ini files for the original xbox to help automate flashing bios and setting up hard drives the way I like it. But that's really it. I usually take other peoples code and modify it to suit my needs. I would like to go back to college someday to learn about coding. Thanks for the input.

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              • Substring
                Substring last edited by Substring

                very lazy, didn't even try it :

                import os
                import RPi.GPIO as GPIO
                
                GPIO.setmode(GPIO.BCM)
                GPIO.setup(17, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
                
                def exitEmulator(channel):
                    print('exitEmulator')
                    os.system('killall retroarch')
                    
                GPIO.add_event_detect(17, GPIO.RISING, callback=exitEmulator, bouncetime=500)
                
                while True:
                    sleep(10)
                

                that can work, only for retroarch for now

                you should start this file from a custom.sh located at /recalbox/share/system (you need to create it). Create it yourself add python yourfile.py inside, chmod u+x custom.sh and reboot

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                • crispycritter911
                  crispycritter911 last edited by

                  Thanks, I'll try it in a bit.

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                  • supernature2k
                    supernature2k last edited by supernature2k

                    I think import time is needed for the sleep function.
                    Also, I would do it the other way for button press: GPIO.PUD_UP and GPIO.FALLING

                    the code:

                    import os
                    import RPi.GPIO as GPIO
                    import time
                    
                    GPIO.setmode(GPIO.BCM)
                    GPIO.setup(17, GPIO.IN, pull_up_down=GPIO.PUD_UP)
                    
                    def exitEmulator(channel):
                        print('exitEmulator')
                        os.system('killall retroarch')
                        
                    GPIO.add_event_detect(17, GPIO.FALLING, callback=exitEmulator, bouncetime=500)
                    
                    while True:
                        sleep(10)
                    

                    Pi powered NES | Gameboy HD | RecalStation | RecalDrive
                    Upvote messages if it has been useful ;)

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                    • supernature2k
                      supernature2k last edited by

                      Ok Guys, I made some test.

                      I put a cable on Pin5 and pin6 and run the following code:

                      import os
                      import RPi.GPIO as GPIO
                      import time
                      
                      GPIO.setmode(GPIO.BCM)
                      GPIO.setup(3, GPIO.IN, pull_up_down=GPIO.PUD_UP)
                      
                      def exitEmulator(channel):
                          print("exitEmulator")
                          os.system("killall retroarch")
                          
                      GPIO.add_event_detect(3, GPIO.FALLING, callback=exitEmulator, bouncetime=500)
                      
                      while True:
                          time.sleep(10)
                      

                      And... it's working 🙂

                      Of course in this current state, it's only working with retroarch emulators

                      Pi powered NES | Gameboy HD | RecalStation | RecalDrive
                      Upvote messages if it has been useful ;)

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                      • Substring
                        Substring last edited by Substring

                        haha i'm the man 😄

                        Seriously, most of emulators are listed in the recalboxFiles.py. Would need to improve it because all bins are not listed there. But I really like this idea : kill the running emulator, or even reset the game (there is a topic on it somewhere, will gid this and update my post) -> https://forum.recalbox.com/topic/3435/game-reset/6

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                        • supernature2k
                          supernature2k last edited by

                          solution via python with network commands:

                          import os
                          import RPi.GPIO as GPIO
                          import time
                          import socket
                          import sys
                          # addressing information of target
                          IPADDR = "127.0.0.1"
                          PORTNUM = 55355
                           
                          # enter the data content of the UDP packet
                          PACKETDATA = "RESET"
                           
                          # initialize a socket, think of it as a cable
                          # SOCK_DGRAM specifies that this is UDP
                          try:
                              s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
                          except socket.error:
                              print 'Failed to create socket'
                              sys.exit()
                          #s.connect((IPADDR, PORTNUM))
                           
                          # connect the socket, think of it as connecting the cable to the address location
                          
                          data = bytes(PACKETDATA)
                          
                          GPIO.setmode(GPIO.BCM)
                          GPIO.setup(3, GPIO.IN, pull_up_down=GPIO.PUD_UP)
                          
                          def exitEmulator(channel):
                          	print("exitEmulator")
                          	print(IPADDR)
                          	print(PORTNUM)
                          	print(PACKETDATA)
                          	s.sendto(PACKETDATA, (IPADDR, PORTNUM))
                              
                          GPIO.add_event_detect(3, GPIO.FALLING, callback=exitEmulator, bouncetime=500)
                          
                          while True:
                              time.sleep(10)
                          

                          Pi powered NES | Gameboy HD | RecalStation | RecalDrive
                          Upvote messages if it has been useful ;)

                          OyyoDams 1 Reply Last reply Reply Quote 1
                          • OyyoDams
                            OyyoDams Staff @supernature2k last edited by OyyoDams

                            @supernature2k Hi,

                            I'm replying to this old topic because I'm currently working on a project that needs such a feature. I tried your last script, I just removed GPIO code at for now to test, so here is my code:

                            import os
                            import time
                            import socket
                            import sys
                            # addressing information of target
                            IPADDR = "127.0.0.1"
                            PORTNUM = 55355
                            
                            # enter the data content of the UDP packet
                            PACKETDATA = "RESET"
                            
                            # initialize a socket, think of it as a cable
                            # SOCK_DGRAM specifies that this is UDP
                            try:
                                s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
                            except socket.error:
                                print 'Failed to create socket'
                                sys.exit()
                            #s.connect((IPADDR, PORTNUM))
                            
                            # connect the socket, think of it as connecting the cable to the address location
                            
                            data = bytes(PACKETDATA)
                            
                            print("exitEmulator")
                            print(IPADDR)
                            print(PORTNUM)
                            print(PACKETDATA)
                            s.sendto(PACKETDATA, (IPADDR, PORTNUM))
                            

                            So to try it, I start a retroarch game then I launch the script:

                            # python rpi-exit-emulator.py 
                            exitEmulator
                            127.0.0.1
                            55355
                            RESET
                            

                            But in fact it does nothing, I'm still in the game (with no reset). Any idea ? 🙂

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                            • Substring
                              Substring @OyyoDams last edited by

                              @oyyodams it's RESET, not exit 😉

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                              • OyyoDams
                                OyyoDams Staff @Substring last edited by

                                @substring yes that's it's supposed to do... but no reset by the way...

                                Substring 1 Reply Last reply Reply Quote 0
                                • Substring
                                  Substring @OyyoDams last edited by

                                  @oyyodams check on command line if you can connect to the port 😉 some netcat commands should do it

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                                  • OyyoDams
                                    OyyoDams Staff @Substring last edited by

                                    @substring Well I found a great doc on the wiki. But...

                                    • I can't use netcast: nc is not include in this buildroot build (and I can't rebuild by now)
                                    • It seems retroarch doesn't respond to any command. I tried to edit retroarch.cfg to add network_cmd_enable = "true", nothing better (even after reboot)

                                    I will not let go;)

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                                    • Substring
                                      Substring @OyyoDams last edited by

                                      @oyyodams hold the door !!!

                                      Former dev - Please reply with @substring so that i am notified when you answer me
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                                      • OyyoDams
                                        OyyoDams Staff @Substring last edited by

                                        @substring Hodor

                                        Don't worry I keep up the good work, things begin to be better, news soon 😉

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                                        • OyyoDams
                                          OyyoDams Staff last edited by

                                          Ok solution:

                                          network_cmd_enable = "true" has to be added in /recalbox/share/system/configs/retroarch/retroarchcustom.cfg

                                          supernature2k 1 Reply Last reply Reply Quote 0
                                          • supernature2k
                                            supernature2k @OyyoDams last edited by

                                            @oyyodams sorry I'm late...
                                            Does it work now?

                                            Pi powered NES | Gameboy HD | RecalStation | RecalDrive
                                            Upvote messages if it has been useful ;)

                                            OyyoDams 1 Reply Last reply Reply Quote 0
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