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</o:shapelayout></xml><![endif]--></head><body lang=FR-CA link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>Here is a prototype of the gizmo that would solve ALL my MIDI channel problems..<br>So far the code is 80% done ..<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><img width=1187 height=921 style='width:12.3645in;height:9.5937in' id="Image_x0020_4" src="cid:image001.png@01D81DD1.6250EA30"></span><span style='mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=FR>De :</span></b><span lang=FR> grant musictechnologiesgroup.com <grant@musictechnologiesgroup.com> <br><b>Envoyé :</b> 9 février 2022 15:56<br><b>À :</b> Jean-Pierre Desrochers <jpdesroc@oricom.ca>; 'Tom Wiltshire' <tom@electricdruid.net><br><b>Cc :</b> 'SDIY' <Synth-diy@synth-diy.org><br><b>Objet :</b> Re[2]: [sdiy] MIDI channel footswitch changer gizmo ..<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>I'm sure there are lots of folks here that could bang out the HC11 code if needed. You've even got EEPROM in there if memory serves. Two questions:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>1. How fast does the MIDI Channel selection have to be? Is this within a song or between songs?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>2. Are you using the MIDI IN on the bass pedals? (I guess possibly as a bass synth?) <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>You could craft a MIDI command or sys ex message to alter the HC11's channel and then have a device (with buttons or footswitches) send this command to the bass pedals as needed. If (2 == true) then you might need merging too. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>Or you could just have local off and reboot MIDI commands sent to the bass pedals and you can hold down the pedal as before.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>GB<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>------ Original Message ------<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>From: "Jean-Pierre Desrochers" <<a href="mailto:jpdesroc@oricom.ca">jpdesroc@oricom.ca</a>><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>To: "'Tom Wiltshire'" <<a href="mailto:tom@electricdruid.net">tom@electricdruid.net</a>><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>Cc: "'SDIY'" <<a href="mailto:Synth-diy@synth-diy.org">Synth-diy@synth-diy.org</a>><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>Sent: 2/9/2022 10:58:15 AM<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'>Subject: Re: [sdiy] MIDI channel footswitch changer gizmo ..<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p></div><div id=xa8d3272657054a8><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 8.0pt;margin-left:3.75pt;margin-top:2.25pt;margin-right:0cm;margin-bottom:5.0pt'><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Tom,</span><o:p></o:p></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'> </span><o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-CA style='mso-fareast-language:EN-US'>My MIDI Bass pedal is a VERY OLD design made in th 90’s using a Motorola HC11<br>that I had on hand and was used to it (programming at work).<br>Here are some pictures of my MIDI bass pedal.</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'><img border=0 width=868 height=485 style='width:9.0416in;height:5.052in' id="Image_x0020_1" src="cid:image002.jpg@01D81DD1.6250EA30"></span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'><img border=0 width=870 height=443 style='width:9.0625in;height:4.6145in' id="Image_x0020_2" src="cid:image003.jpg@01D81DD1.6250EA30"></span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'><img border=0 width=872 height=420 style='width:9.0833in;height:4.375in' id="Image_x0020_3" src="cid:image004.jpg@01D81DD1.6250EA30"></span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>The cabinet is walnut salvaged from a vintage Electrohome Kinsman Clarion organ..</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>So far the MIDI channel is selected at power up. (channel 1 default).<br>But if you keep pressed one of the first 16 keys down at power up<br>this will be the new channel number.<br>By the way this beast has its complete internal synth<br>with a genuine ARP VCF module !</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>Back to my needs..</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>No way I’ll get back to my original HC11 machine code (yes machine code) to include<br>any MIDI channel editing since it will also involve salvaging the wood housing<br>for some footswitches..<br>The easiest way so far is a transparent MIDI IN/OUT device<br>that will read 2 x UP/DOWN footswitches, display the new channel number<br>on 2 x 7 seg. Display then grab any incoming MIDI commands that has MIDI channel number<br>on the MSB side first byte, then replace it and send the edited command to the MIDI OUT.<br>All other commands will get through this device untouched..<br>I could even have another untouched MIDI OUT that would keep<br>the original Bass pedal channel for other MIDI devices to drive..</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>These are my thoughts so far..<br>Thanks for your curiosity Tom.</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'> </span><o:p></o:p></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b>De :</b> Tom Wiltshire <<a href="mailto:tom@electricdruid.net">tom@electricdruid.net</a>> <br><b>Envoyé :</b> 9 février 2022 13:34<br><b>À :</b> Jean-Pierre Desrochers <<a href="mailto:jpdesroc@oricom.ca">jpdesroc@oricom.ca</a>><br><b>Objet :</b> Re: [sdiy] MIDI channel footswitch changer gizmo ..<o:p></o:p></p></div></div><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>If the bass pedals are DIY, doesn't this count as a "feature request from a valued user", JP?!?<o:p></o:p></p><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>To put that another way, couldn't you reprogram the bass pedals to add the on-the-fly-midi-channel-change? Presumably there's some reason why not, since I'm sure you've thought of this. I'm curious what it is is all!<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Tom<o:p></o:p></p></div><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>On 9 Feb 2022, at 14:20, Jean-Pierre Desrochers <<a href="mailto:jpdesroc@oricom.ca">jpdesroc@oricom.ca</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal> <o:p></o:p></p><div><div><p class=MsoNormal>Hi all,<o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-CA>I own a DIY MIDI bass pedal that sets it’s MIDI channel on power up.<br>You press one of the first 16 keys (2 octaves pedal board) while powering up<br>and that’s the MIDI channel that remains. Ok.</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-CA>But what if I need to change the MIDI channel on the fly while playing ??</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-CA>I tried to find a footswitch gizmo that would have MIDI IN/OUT<br>that I could connect the bass pedal MIDI OUT to the gizmo MIDI IN and set/change<br>the gizmo MIDI channel using its footswitches then the incoming MIDI channel<br>would be overridden by the gizmo’s channel and this one would use its channel<br>number for my pedal board..</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-CA>But no luck to find this type of MIDI ‘interface’..<br>So far I’m thinking about building one..<br>Any clue for this type of gadget to buy ?</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-CA> </span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-CA>Cheers,</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-CA>Jean-Pierre</span><o:p></o:p></p></div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>_______________________________________________<br>Synth-diy mailing list<br></span><a href="mailto:Synth-diy@synth-diy.org"><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>Synth-diy@synth-diy.org</span></a><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'><br></span><a href="http://synth-diy.org/mailman/listinfo/synth-diy"><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>http://synth-diy.org/mailman/listinfo/synth-diy</span></a><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'><br>Selling or trading? 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