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^Gecko^

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MIDIbox Newbie

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  1. No, no midibox NG, just plain STM32. The keys are just playing the wrong notes, that's all, it starts off low on the upper manual and continues on climbing from the bottom of the lower manual. I'm sure the answer is super easy, I just need to shift the keys over or assign them all to the proper midi commands is my guess. The fun one will be assigning the tab stops, as of now they'll just be regular midi notes like everything else. I got the pedals complete last night
  2. WOOO!! I'm back!! It's been a long time coming and I finally have the motivation to continue working on this project again. I got all the tab stops soldered to ribbon cable and all that needs to be done there is the IDC connectors to plug in to the DINs. I flipped the organ on its side and got the pedal connections ready to solder up to the ribbon cable and should have that done in the next couple days. Later I'll work on the percussion board. I'll still need to figure out how to get the pedal wired up, but I don't think it'll be that bad. I'll need to learn how to build a proper program for the cores, since the keys line up with the MIDI notes in a weird way.
  3. OK I think I have a plan, I'll build a voltage divider circuit. The lamp is a GE1866, which specs out at 6.3 volts. I'll feed it 5volts from a PC power supply and see what the full up resistance gives me, then I dunno, hopefully come up with a resistor to ground to give me 0 to 5 volts for the AIN.
  4. OK now I'm BAFFLED as to how I can hook up my expression pedal to the AIN. I got my multimeter out to see what pins are what on the plug, only to find none of them have variable resistance. I take the thing apart, to find something I think is AMAZING. The pedal uses two optical photoresistors (one looks like it's center-tapped) and an incandescent lamp. The moving part of the pedal has a thing that interrupts the light with a blue filter and a gap that decreased in size as you push the pedal down.
  5. I've finally gotten off my lazy bum and started getting some work done on this thing again! I finished soldering all the leads in for the upper and lower manuals. I mounted the rest of the DINs/DOUTs/AINs, and ran out of IDC connectors. I started working on the tab stops, got all the things on a common ground;
  6. Sorry I haven't posted any updates in a while. I got the rest of the hardware I ordered from smashtv a few weeks back and everything is soldered together. I haven't even gone to do any other work on it though because I am working at a new job! I've been hired for a company in the Dallas/Ft. Worth area that installs fire alarm, burglar alarm, access control, and CCTV systems. They already have me working right out with fire alarm stuff, which I'm very much wanting to get in to as a career, etc.
  7. I don't think I've seen Ride7 anywhere... http://www.midibox.org/dokuwiki/doku.php?id=windows_mios32_toolchain_core """ The MIDIbox community have created a modified GNU Compiler Collection, ready for use with the ARM Cortex M3 platform. The toolchain contains all of the tools required to build MIOS32 applications including GCC and NEWLIB. MSYS is still currently required although may be added to a later version of the toolchain. The Toolchain has currently been compiled for Windows (2000+), Mac OS X (Leopard or newer) and Linux x86 (built on Ubuntu 10.10). The download directory for the toolchain is ftp://ftp.lansystems.co.uk/pub/midibox Download the latest “windows†file and unzip into your favorite directory, If you unzip into c:\ the toolchain will create c:\mios32_toolchain and various sub-directories containing the toolchain files. You must add the “bin†directory to your windows path, a temporary way is to type the following in a Windows Command Prompt window: (change c:\mios32_toolchain to wherever you extracted your toolchain) SET PATH= %PATH%;c:\mios32_toolchain\bin If you want to make this change permanent (you probably will) follow this Microsoft KB article http://support.microsoft.com/kb/310519 This article will also help you when adding the MIOS32 specific variables later on. """
  8. --debug[=FLAGS] Print debugging information in addition to normal processing. If the FLAGS are omitted, then the behavior is the same as if -d was specified. FLAGS may be a for all debugging output (same as using -d), b for basic debugging, v for more verbose basic debugging, i for showing implicit rules, j for details on invocation of com- mands, and m for debugging while remaking makefiles.
  9. you put yours in c:\msys\ and not c:\mingw\msys? try 'make -d' to print debug info wait, no don't do that, it prints forever....
  10. I got the 50ft of cable in the mail today :D Now I just need the rest of the midibox hardware!!
  11. Getting it wired up; Hammond must have liked Tinned Copper, because all of the wires in the organ use it. I love it too; makes soldering a lot quicker! I also like heat shrink tubing, and that you can use a heat gun to nail them all in one shot!
  12. Thanks TK. It's not necessary though. I fixed them already. I put the shrink tube sleeves on but didn't shrink them until after I tested whether it actually worked. I wired up the rest of the first DIN and went ahead and shrank it. I ordered 50 feet of ten conductor rainbow ribbon cable from digikey for $21-23 dollars. Fry's is really a bad place to get the stuff, they only have 3ft lengths and plain gray. As you saw in my video, the first DIN is connected with a plain IDE cable. I'm using the rainbow stuff for the rest. I have enough of it to wire the other three DIN's that are installed. I'll deal with the other four DINs later after I get the other core and DOUTs and AIN.
  13. I've installed the first core and the first 4 D_IN's into the organ; This is where I'll probably put the second core, the other 4 DIN's, and some DOUT's. These are my fasteners; The power supply and probably location. I have all the power I'll ever need! BTW; I have a CrystalFontz 4x20 serial driven LCD display. Is there support for this? I used it with a previous project based on LCDProc; http://lcdproc.org/
  14. I think I did a pretty good job, except for the part where I put the resistor arrays in the wrong spot and had to try again :P I also bought an Antec 350watt power supply. I'll use the 5vdc from that to power the core and everything.
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