goule

Very nice and a very nice name too !!! ;D

Salut Gabz, 1/ avant l'envoi du MIOS il y a bien quelquechose : le bootstrap loader (voir la page correspondante sur ucapps.de) Plus globalement je te conseille de lire attentivement toutes les pages de ce site (dont une grosse partie pour pas dire la totalité ont été gracieusepent traduites en français) 2/ Idem que précédemment, tout est sur le site. Tu re dumperas ton PIC à chaque fois que tu voudras uploader une nouvelle version de ton appli Bon courage ! Olivier

Arf ... t'embêtes pas à apprendre ton bouquin sur le bout des doigts. Effectivement le MIDI est riche d'évènements composites (par exemple les MMC qui comme tu précise sont émis sur les controles PLAY/STOP/etc.. ou encore les évènements de type sysex. Mais dans un premier temps, focalise toi sur la construction d'une midi box construite sur la base de faders, (et/ou pots) et boutons. La programmation que tu feras par-dessus te permettra de définir si tu souhaites envoyer des évènements simples ou composites. Par ailleurs, tu peux très bien dire à un fader qu'il se comporte en on/off ! J'espère t'avoir aidé, sinon reprécise ta question A+

Hi all, I just wanted to say a very big thanks to Thorsten :D and all the people here answering the questions, debugging other ppz etc. MidiBox is such a fun project ... I can't believe that I'm building my own midi controler with my own OS (well I should say "program" as MIOS is the real OS). :o As a piece of information my midibox contains the following components : - Pitch bend & modulation wheel (coming from my old broken DX7s) - Two analog joysticks 8) - Two infrared distance sensors for D-Beam like action ;D - one detended pot for sending program change messages (or setting values when in edit mode) - one superb 20x4 blue backlight LCD ;) - a few buttons still coming from my DX7 for navigating thru the functions Building this babe is so much fun ... so thank you for all of the great moments I'm spending with this excellent idea/project The gear should be finished building in a few weeks (everything runs fine, I still have to finalize my OS + buying the panel & the box). When finished I'll post a few photos here. 8) Seeya, Goule

Thank you so much both of you : you're right this works perfectly well :D It will greatly simplify the integration of my distance sensor (works like some kind of D-Beam controler) Bye and thancks again 8)

Thanx all for your help : it occurs that my optocoupler was dead. I replaced it and everything went fine again ! Goule

Hi, Is it possible to have the real voltage value of a AIN input ? If yes with which precision ? (floating) ? Because I've got to make a calculation out of it and I'd like to have the maximum accuracy ... Thanks

Waow great reply, thanx buddy ! :D Okay so when I'll manage to load the MIOS again, my bad application should no more been taken into account. Is it possible to get a corrupted bootstrap by a bad application ? I've already tried to reupload MIOS but it did not seem to work ... I'll try again tonight. Thanx anyway !! Goule

unfortunately I don't have anything here to do that (no pic programmer) :( I hope there is an other way to solve this !! :o For more information : just before it crashed, the new modifications of the program where dealing about SpecialChars etc. I was trying to get my own character on the screen. :-\

Hi, It seems like my midibox became buggy after some program update : it keeps on rebooting and does not seem to respond to new updates of the program ... any idea ? I'm using MidiOx / C language, and already made quite many versions of this program that's been working already ... Reuploading the MIOS seems to be impossible as well ... Thancks for help :P

Well I still have an error: missing definition for symbol "__gptrget1", required by "_output\main.o" and never solved it (even trying the same method as above) any ideas ? Thanks, Goule

Mmmm What exactly dyou call the internal bank :-\

Hi crew, I'd like to know if it's possible to write in the EEPROM some information that is kept after shutdown. In my case I'd like to make it possible to set controler numbers for each pot (via +1 / -1 buttons), and have that configuration saved after shut down. Thanks for help ! Goule

Thank you, mate! :D I'll try that this evening when back from work !! 8) Goule

Hello, I'd like to make some floating to int conversions. I have already included "float.h" but it seems like it's not enough : I got the following compilation error : error: missing definition for symbol "__divsint", required by "_output\main.o" error: missing definition for symbol "__mulint", required by "_output\main.o" What do I need ?? Thanx all

Waw an answer from the boss himself ! :D I'll get my hands on it tonight (after a period of holidays) so ... thank you for your advice, I had already had tested this function but didn't know what was the different values possible ::) Thanks again and (forget if I repeat) Midibox is really a very very nice electro-open-source project !! Keep up the good job, your mother might be proud of you ! ;D (and forgive my bad english) Seeya Olivier "top 10 of your greatest fans" Goule 8)

Both tests are ok for me but I still don't seem to receive midi. My midibox was working until yesterday : (I had then the bad idea to reupload the MIOS), so it has already worked (and no hardware changes since, only programs updates) ... Midi In doesn't seem to work, everything is well configured in MidiOx, I don't what to do now ... :'( The only tests that does not seem to pass is this one : http://www.ucapps.de/howtodebug/mbhp_core_extract_opto_test.gif Could it be possible that my octocoupler passed away ? Goule

Yep very interresting indeed but seems to be a little hard to integrate without the help of several other components (AOP, etc...) so that it fits into the Midibox project. No evolution since last time ... :(

Salut, Je suis en train de finir ma midibox (molettes de modulation + bend + 2 joysticks + 2 détecteurs de distance + une roue crantée pour balancer des program change). Tu verras ça se fait assez rapidement et facilement, à condition de ne pas surévaluer le projet et de lire l'intégralité (j'exagère à peine) du site www.ucapps.de. Dans mon cas j'avais aucune connaissance (ou presque) en électronique, et j'ai mis 3 soirées à souder / faire fonctionner ma midibox (il me reste encore les capteurs de distance et le rotary encoder à checker mais le reste fonctionne d'enfer). Bienvenue dans la troupe midibox !!!

About posts : :-[ you're right, I'll try to avoid next time (but as you saw I only posted in the 3 related topics ;)) About capacitor : waouw I hadn't read carefully the datasheet :-\ so perhaps that you are my saver (comes from a french expression, I don't know if that translation gives any sense, anyway) I'll make the test this evening, thank you for your reply !!! 8)

When you buy the PIC, you can ask to have the bootloader already inside the pic. Then what you'll have to do is simple : 1/ When you switch on your midibox your LCD will display a black line during 2 seconds : during that time you'll have to send the MIOS 1.8 sysex file to the device via MIDI. 2/ After the MIOS is installed you can upload your application to the device whenever you want About the header : it depends on your LCD type (graphical or not), etc. Just follow the link Raphael gave you. Hope it helps ...

Hi all, In my midibox project I use that distance sensor SHARP GP2D120; its datasheet is available here : http://document.sharpsma.com/files/GP2D120_SS_final.pdf If I connect directly the sensor on the J5, instead of reading 0 when in IDLE (nothing in front of my sensor) I read a flow of 0 and 1 that alternates very fast, as if it hesitates between the two values. Now if I put something (that does not move) in front of the sensor, I read for instance 34 35 34 35 34 35 34 35 etc. The digit 3 is displayed constantly while the LCD oscillates between 4 and 5. >:( I know that the PIC waits for a voltage range of 0 - 5 while that sensor gives 0.3 - 3. I suppose that's the reason of flickering values ... Any idea to use that sensor correctly ? ??? Thanx guys & gals, Olivier

Hi all, In my midibox project I use that distance sensor SHARP GP2D120; its datasheet is available here : http://document.sharpsma.com/files/GP2D120_SS_final.pdf If I connect directly the sensor on the J5, instead of reading 0 when in IDLE (nothing in front of my sensor) I read a flow of 0 and 1 that alternates very fast, as if it hesitates between the two values. Now if I put something (that does not move) in front of the sensor, I read for instance 34 35 34 35 34 35 34 35 etc. The digit 3 is displayed constantly while the LCD oscillates between 4 and 5. Â >:( I know that the PIC waits for a voltage range of 0 - 5 while that sensor gives 0.3 - 3. I suppose that's the reason of flickering values ... Any idea to use that sensor correctly ? Â ??? Thanx guys & gals, Olivier

mmmm .... UP ? ;D

Could you tell me (cause I'm nuts in electronics) how the connection has to be done in parallel ? Because I can visualize it in serial but not in parallel ... Thanks for help ! It would be so nice to use such devices !!! :D