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About totoRaymond

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    MIDIbox Newbie

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  • Gender Male
  • Location Near Paris
  1. MidiBox DAW Controller

    HI! It's time for a quick update! I'm in the process of building the console frame right now. Mostly because 90% of the pcb assemblies are done and because i need a way to wire everything together without becoming too messy (I fried 2 stm32 Discovery so far due to bad wiring). So I assembled a model today and it came out great!   I'm really pleased with the dimensions and the sloping of the frame right now, but some dimensions are too tight to fit everything together, so i'll have to redo everything (thankfully it's made out of scrap wood). To give an idea of the finished console, the bottom will hold 24 faders on the left plus a master section (transport, jog, switches, surround panner) on the right. the middle will be 24 encoders plus Oleds, and a few switches. and the top will be a 19" 4U Rack on the left, a 15" Touchscreen on the centre, and 12 Encoders plus monitoring controls on the right.   Cheers, Thomas
  2. Special characters in Label

    Well, there's nothing in the doc about using ASCII code with MidiBox NG, so i'm not sure you can do that. Unfortunately my STM32F4 board fried last time i plugged it (messy wiring) so i can't try anything right now. Sorry I couldn't help,   Thomas
  3. Special characters in Label

    Hi, I don't think the built in fonts have special characters available.   I remember reading a thread about creating you're own custom fonts, but it involved recompiling the MB_NG firmware.   Search the forum, you light be lucky   Thomas   Edit: I found it! it was in the wiki page:  
  4. Chain NG_MF boards together?

    Hi,   Yes, you can chain up to 4 of these boards together. You need to change the #id of at least one of the controllers to be able to use them with MIOS studio. I've not done it myself everything is ecplained in this thread: You should read the whole thread, it's full of good info on how to setup the board properly.   Are you using a core module to interface with the MF_NG? Or do you want to connect them directly to the computer?   Cheers,   Thomas
  5. Upcoming MBHP_MF_NG module

    HI Zeke and thanks for the advice! I'm building a DAW controller, basically i'll emulate 3 Mackie Control Units plus a "generic remote" to control Nuendo. In the end, i hope to get 25 faders plus a bunch of stuff (including a touch screen with a lemur patch). I reported my progress in this thread (not updated very often though) : Right now i have only fader attached to the board. The wiring with this board is a bit of a mess so i'm currently making a new pcb with one connector for each fader to keep things tidy. I'll definitely try with 8 faders connected, but in the near future i have to build a prototype enclosure (made of MDF i have lying around) so i can start to assemble everything properly (and stop killing board with shorted wires). All the fine tuning will be done once I gathered all the parts.   Cheers, Thomas
  6. Upcoming MBHP_MF_NG module

    No worrys, as I said, i think i will settle for this solution for now. I'd like to have a working build before end of the year and improve from there. If I remember well, you're problem with PWM was related to EMI leaking into the analog circuitry, not the actual physical noise of the fader. Am I right? You're right, the PIC used on MF_NG won't go higher in frequency, But if need be, i'm not afraid to port the code to a more capable micro... (as long as i have a working controller, i have all the time in the world to make it better... ) I never looked inside a D-command, but if i get a chance, i'll check the Ic's used (might even look inside an Avid S6, who knows, those faders are great). I'm going to start looking into some other controllers too. Thanks!   Thomas
  7. Looking for Pickit 2 GUI

    You need to download an old version of MPLAB to use a pickit 2.   A quick search in google tells me MPLAB IDE v8.92 is the latest version with pickit2 support. all older versions of mplab are available on microchip webpage:    Or you can buy pickit3 or 4 and use MPLAB X   Cheers, Thomas  
  8. Upcoming MBHP_MF_NG module

    Hi Zam,   After reading ths whole topic again last week-end, I tried to lower the voltage. With Vm down to about 4V, i was able to get rid of most of the mechanical noise, but now the faders are a bit sluggish (actually, there's only one fader wired to the board right now).   The PWM might be the problem, I know you went another route for your analog automation system (I followed the story since the beginning on gdyi). Do you think we could get rid of that noise using a higher PWM frequency? Or is it necessary to drive faders with DACs instead? There must be a way to drive faders in silence, I work all day on digidesign D-Command, they use the same ALPS K-faders I have and they're very quiet (and fast). I think i could live with slow faders for a time, but I might try to move to another solution once my controller is finally assembled.   Cheers,   Thomas
  9. motorfaders

      Yes I'm afraid it would not be an easy setup. But... you would learn a LOT of things in the way !!!! To me at least, that's where the fun is. I'm currently building my own DAW controller, and i know more things than before i started. And i intend to keep learning and improve. So don't let anything stand in your way if you really want to build it. And maybe you could contribute to the community this way. This way of driving faders looks very nice, without the resistive element, faders won't tear like standard ones, feeling might be better, and less noisy. I'm tempted to try and mod a fader to use this tech (but not today).   Cheers, Thomas
  10. motorfaders

    According to datasheet, it's rather a 512 steps/turn encoder. ref is IE2 512 250 (i read wrong in the previous post). Assuming the datasheet didn't change in more than 20 years (which is possible with these kind of product). Then you might be able to drive them with MidiBox NG, but you would need to modify the code i guess. My knowledge stops at this point though, I'm not comfortable enough with C / ASM...   The manufacturer of these motors also provides some control boards for them. Might be worth a look, but most of them use CAN or RS232 buses... so no direct compatibility with MidiBox.   Cheers,   Thomas  
  11. motorfaders

    Well, that's also a possibility.   Now that you mention it, the second ref on the motor might refer to this Or rather an discontinued version of it? IE2 512 256 would then mean 512 or 256 impulse per turn.   In this case, you can't use MB_MF_NG to control them.   Cheers, Thomas  
  12. motorfaders

    Hi, This is all good information, we're closing in... So 1 and 2 should be the DC motor as I expected. Now the four others must be 100%V, 0%V, Wiper, and Touch sense. In that order IF P&G kept the same when changing design. (which they seem to be doing) The other measurement don't make much sense though, maybe an error when measuring? 800k is really high for any kind of fader. measure between each pin and the lever. One should be a short and the others should be open. That would indentifiy the Touch Sense pin. This should left you with the potentiometer pins. So measure with different fader positions and report us with what you found. We're expecting a fixed 10k between two pins and a variation between 0-10k between 3rd pin and both others (one increasing while the other decrease). Tell us what you found!   Cheers, Thomas  
  13. motorfaders

    Yes they're probably older versions, but as I said, i have another old version of P&G motor fader here and the one I have here are already called PGFM3200 (not PGF3200). And they comply to the last datasheet even if they have a different mecanical arrangment: Waiting for more info on that... Cheers,   Thomas
  14. motorfaders

    Hi, these look weird. P&G motorfaders should be PGFM3200. And the motor should be top or bottom. Maybe a custom job for a manufacturer? Do you have photos of the whole assembly? Where do they come from? Which console? It could be an older model, but it seems unlikely to me. I have a quite old P&G fader here, and it's already named PGFM3200 and has the same color coding than the more recent ones. Those motors look like 6v DC motors so you should be able to drive them with MB_MF_NG module Can you measure DC Resistance between different wires? With a ribbon cable like this one, red identifies pin 1.  Cheers, Thomas  
  15. understanding the .ngc code

    Hi,   I'm not sure i undesrtood your question well but it seems to me that you need to use the bank function. for example:   EVENT_ENC id= 1 hw_id= 1 bank= 1 type= CC chn= 1 cc= 0 range= 0:127 fwd_to_lcd=1 lcd_pos=1:1:1 label= "%3d" EVENT_ENC id= 2 hw_id= 1 bank= 2 type= CC chn= 1 cc= 1 range= 0:127 fwd_to_lcd=1 lcd_pos=1:1:1 label= "%3d" EVENT_ENC id= 3 hw_id= 1 bank= 3 type= CC chn= 1 cc= 2 range= 0:127 fwd_to_lcd=1 lcd_pos=1:1:1 label= "%3d" EVENT_BUTTON id= 4 fwd_id= LED:4 type= Meta meta= SetBankOfHwId:1 range=1:1 button_mode= OnOnly # "Bank 1" EVENT_BUTTON id= 5 fwd_id= LED:5 type= Meta meta= SetBankOfHwId:1 range=2:2 button_mode= OnOnly # "Bank 2" EVENT_BUTTON id= 6 fwd_id= LED:6 type= Meta meta= SetBankOfHwId:1 range=3:3 button_mode= OnOnly # "Bank 3" In this example, when you press a button, it activates the corresponding EVENT_ENC and deactivates the others.   Is it what you're looking for? Cheers,   Thomas