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    Solved Recallbox on/off button

    GamePad/GPIO/USB encoder
    on off button
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    • ian57
      ian57 Staff last edited by

      great stuff, i will modify my pitendo with 2 new buttons

      "UNIX is basically a simple operating system, but you have to be a genius to understand the simplicity." Dennis Ritchie

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      • netcat
        netcat @supernature2k last edited by

        @supernature2k Thank you, Correction made

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        • netcat
          netcat @Substring last edited by

          @Substring Adding your preferred web page links to the article. Sadly last time I did any programming at all was a good 30 years ago... I will however offer to purchase (AND SHIP) A BetaBrite sign to the first participant willing to write the code in to Recalbox and Beta test it.

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          • netcat
            netcat @Substring last edited by

            @Substring Can you please check out revised version of Diagram, I am prone to doing stupid mistakes this week, I believe it is all good now.

            Thank you

            supernature2k Substring 2 Replies Last reply Reply Quote 0
            • supernature2k
              supernature2k @netcat last edited by

              @netcat

              Yep, all good now.

              Please make a new post in the correct section so we can pin it!

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

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

                @netcat first i'd need some documentation or at least some code examples on how to send data to the betabrite, whether a specific driver has to be added to the os first or it works straight like usb.

                Former dev - Please reply with @substring so that i am notified when you answer me
                Ex dev - Merci de me répondre en utilisant @substring pour que je sois notifé

                netcat 2 Replies Last reply Reply Quote 0
                • netcat
                  netcat @Substring last edited by

                  @Substring although nowadays there are Betabrites that attach directly to the USB port, they are exceedingly difficult to come by, your classic Betabrite sign will attach to a serial (COM port), which I believe can be emulated through the GPIO ? Many years ago a spent considerable time catching data form serial ports and figuring out how to send messages to Betabrite signs, even wrote a couple programs in Qbasic as I recall to accomplish this task, once correct strings were determined on how to send messages I forwarded this info to a number of people in the arcade community (much better programmers than myself) whom implemented it in various ways.

                  I will dig out the information, but the first question is does the raspberry Pi have means to communicate through standard Serial interface (Not USB) ?

                  HERE is my original program from 2005 designed to generate Individual ASCII files for each mame game (which were all placed in an LCD Directory and called upon before running each game)

                  CLS
                  PRINT ""
                  PRINT "* BETABRITE/MAME LCD FILE GENERATOR *"
                  PRINT "
                  "
                  PRINT "* "
                  PRINT "
                  Version: 1.0 "
                  PRINT "
                  Author : Tony Jimenez "
                  PRINT "
                  E-mail : Tony@780tech.com "
                  PRINT "
                  *"
                  PRINT "*****************************************************************************"
                  PRINT
                  PRINT " Application MUST be run from INSIDE the MAME folder"
                  PRINT
                  PRINT " Would you like <D>ynamic sign or <S>tatic sign"

                  1 a$ = INKEY$
                  IF a$ = "" THEN GOTO 1
                  IF UCASE$(a$) = "S" THEN GOSUB 4000 ELSE GOSUB 5000

                  PRINT
                  PRINT " Making LCD Directory"
                  PRINT
                  PRINT " AN Extended Error 183 indicates the folder ALREADY exists"
                  PRINT
                  SHELL " MD LCD"
                  PRINT
                  PRINT ""
                  PRINT
                  PRINT " GENERATING GAMELIST.TXT"
                  PRINT
                  PRINT " A BAD COMMAND OR FILE NAME Error indicates you are NOT in MAME folder"
                  PRINT
                  SHELL "mame -listfull > gamelist.txt"
                  PRINT
                  PRINT "
                  "

                  item = 0

                  OPEN "GAMELIST.TXT" FOR INPUT AS #2: INPUT #2, text$

                  REM PRINT TEXT$

                  10
                  REM *****************
                  REM CYCLE BEGINS HERE
                  REM *****************

                  LINE INPUT #2, text$

                  name$ = ""

                  FOR a = 1 TO LEN(text$)
                  IF MID$(text$, a, 1) <> " " THEN name$ = name$ + MID$(text$, a, 1) ELSE GOTO 1000
                  NEXT

                  1000

                  desc$ = ""
                  a = a + 1
                  IF MID$(text$, a, 1) = " " THEN GOTO 1000
                  FOR b = (a + 1) TO (LEN(text$) - 1)
                  desc$ = desc$ + MID$(text$, b, 1)
                  NEXT
                  REM PRINT "Description : "; desc$

                  name$ = "lcd" + name$ + ".lcd"
                  REM PRINT name$
                  OPEN name$ FOR OUTPUT AS #3
                  desc$ = PF$ + desc$ + SF$
                  PRINT #3, desc$

                  CLOSE #3

                  item = item + 1
                  LOCATE 35, 3: PRINT "Processing Item #"; item

                  IF EOF(2) <> -1 THEN PRINT : GOTO 10

                  END

                  4000 REM STATIC SIGN
                  PF$ = CHR$(112)
                  PF$ = PF$ + CHR$(81)
                  PF$ = PF$ + CHR$(232)
                  PF$ = PF$ + CHR$(192)
                  PF$ = PF$ + CHR$(143)
                  PF$ = PF$ + CHR$(156)
                  PF$ = PF$ + CHR$(197)
                  PF$ = PF$ + CHR$(1)
                  PF$ = PF$ + CHR$(88)
                  PF$ = PF$ + CHR$(120)
                  PF$ = PF$ + CHR$(181)
                  PF$ = PF$ + CHR$(1)
                  PF$ = PF$ + CHR$(1)
                  PF$ = PF$ + CHR$(90)
                  PF$ = PF$ + CHR$(48)
                  PF$ = PF$ + CHR$(48)
                  PF$ = PF$ + CHR$(2)
                  PF$ = PF$ + CHR$(65)
                  PF$ = PF$ + CHR$(65)
                  PF$ = PF$ + CHR$(27)
                  PF$ = PF$ + CHR$(32)
                  PF$ = PF$ + CHR$(98)

                  SF$ = CHR$(4)
                  RETURN

                  5000 REM DYNAMIC SIGN
                  PF$ = CHR$(112)
                  PF$ = PF$ + CHR$(81)
                  PF$ = PF$ + CHR$(232)
                  PF$ = PF$ + CHR$(192)
                  PF$ = PF$ + CHR$(143)
                  PF$ = PF$ + CHR$(156)
                  PF$ = PF$ + CHR$(197)
                  PF$ = PF$ + CHR$(1)
                  PF$ = PF$ + CHR$(88)
                  PF$ = PF$ + CHR$(120)
                  PF$ = PF$ + CHR$(181)
                  PF$ = PF$ + CHR$(1)
                  PF$ = PF$ + CHR$(1)
                  PF$ = PF$ + CHR$(90)
                  PF$ = PF$ + CHR$(48)
                  PF$ = PF$ + CHR$(48)
                  PF$ = PF$ + CHR$(2)
                  PF$ = PF$ + CHR$(65)
                  PF$ = PF$ + CHR$(65)

                  SF$ = CHR$(4)
                  SF$ = SF$ + CHR$(114)
                  SF$ = SF$ + CHR$(14)
                  SF$ = SF$ + CHR$(64)
                  SF$ = SF$ + CHR$(27)
                  SF$ = SF$ + CHR$(8)
                  RETURN

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                  • netcat
                    netcat @Substring last edited by

                    @Substring This is the Diagram I put together back then on how to interface through the serial port

                    http://www.780tech.com/betabrite.GIF

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

                      @netcat there are some usb cables to emulate a good old serial com, so that would be the best start

                      Googling "betabrite python" shows some people already did the job in python, so i guess it could be not that hard, if all planets align perfectly 😉

                      Former dev - Please reply with @substring so that i am notified when you answer me
                      Ex dev - Merci de me répondre en utilisant @substring pour que je sois notifé

                      netcat 1 Reply Last reply Reply Quote -1
                      • netcat
                        netcat @supernature2k last edited by

                        @supernature2k HAte to continue sounding dumb but in this site I have no idea how to make a new post, I believe originally I replied to a previously made post ?

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                        • netcat
                          netcat @Substring last edited by

                          @Substring quite a bit of articles talking about adding a standard serial port to your Pi

                          Only concern is it looks like it yses some if not all of the same pins as the power/reset buttons and LED

                          http://www.davidhunt.ie/add-a-9-pin-serial-port-to-your-raspberry-pi-in-10-minutes/

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

                            @netcat and i still believe some "usb rs232" cable is the easiest way to go

                            Former dev - Please reply with @substring so that i am notified when you answer me
                            Ex dev - Merci de me répondre en utilisant @substring pour que je sois notifé

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

                              @Substring I am certainly ok with this option

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                              • netcat
                                netcat last edited by

                                Found a copy of my original artice for BetaBrite signs here:

                                https://web.archive.org/web/20141105153358/http://www.780tech.com/betabrite/index.htm
                                @Substring if you are interested in taking on this poroject drop me an email at 780tech@gmail.com and I can arrange to ship you a BetaBrite sign and we can choose out and purchase the usb to serial adapter of your choice

                                Tony

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