tupinamba

Hi everyone! Problem solved.... Sometimes, it is as simple as a bad solder joint on a DOUT module... I built a second module (I had spare parts) and it worked straight away. But then, my core stopped working. No led light on the core. Panic attack. I checked voltages : nothing coming out of the power section (which is a good news : the core did not blow) I checked solder joints on the core and found that the diode bridge's negative pin was not connected to ground anymore. I soldered it back properly, and everything was back to normal. That's when I thought that maybe something similar was happening to the DOUT module... Bingo! Now I have a MB Seq with CV, Gate and Triggers. I'm a happy man. I just have to drill a few holes in the back panel for the numerous jack outs I'm going to add now... ;-) Thank you so much latigid on, and of course TK, you've been of a great help, and as always, this story ends with me understanding a little bit better how all of this works!

I'm afraid I have the STM32F1... So no MIDIO128 testing for me... I have "J5_ENABLED 0" (you can see my MBSEQ_HW.V4 a few posts ahead) My wiring is good now... But iw was not at first. I just inverted SI and SO though, so I don't think I fried the CMOS chips. I'm going to check this again.

Well, still nothing new after a few tries... I have the CV working, but cannot have the gates working I initialized an AOUT track, channel 1, but nothing happens on the DOUT (D7 of SR1) when I have notes playing... :-/

Hi again, What would be the next step to test the DOUT now that the AOUT module is up and running, and that I have 0v on the DOUT pins when at rest? Thx!

OK... My wiring was wrong (I was connecting the SI of Wilba's CS to SO of the DOUT, instead of taking the SO pin line from J2. Now voltages seem normal. And I've got 0V on the Gates. This is better... but nothing changes on Gate 1 when I start an initialized AOUT channel 1 track... I'll do some more testing tomorrow (busy day coming).

OK... Now that CV is working, back to the DOUTx4... So I still get a continuous +5v on DOUT SR1 as soon as I start the MBSeq. I use SR1 of my DOUTx4 for Gates (and this is assigned to "3", right?) I'm planning on using the other SRs for Clock outputs (SR2) and Trigger outputs (SR3 and SR4) Here is my MBSEQ_HW.V4 (CV/Gate/Trigger/Sync part): ################################################## # CV and Gate/Trigger/Sync Setup ################################################## # the 8 CV gates can be assigned to a shift register (0=off, 1-32: number of shift register): # - 1st CV Gate available at DOUT SR output D7 # - 2nd CV Gate available at DOUT SR output D6 # - 3rd CV Gate available at DOUT SR output D5 # - ... # - 8th CV Gate available at DOUT SR output D0 CV_GATE_SR1 3 # and DIN Clock Outputs can be assigned to a shift register as well (0=off, 1-32: number of shift register): # D7..D0 will output individual clock or start/stop signals which can be configured in the CV configuration page CLK_SR 4 # AOUT interface now selected in CV Configuration Mehttp://midibox.org/forums/topic/19438-cv-gate-clarification-help/#nu and stored in MBSEQ_CV.V4 file # please scroll through the menu to find this page! # additional gate triggers are available on common digital output pins of the # DOUT shift register chain - they are assigned to AOUT channel #16 (Note C-1, C#1, D-1, ...) # define the shift registers which should be used here (each provides 8 gates) # Note that SRs assigned to this function cannot be used as LED outputs (exclusive function) # Allowed values: 1-16, 0 disables the function, all other values invalid and not allowed DOUT_GATE_SR1 5 DOUT_GATE_SR2 6 DOUT_GATE_SR3 0 DOUT_GATE_SR4 0 DOUT_GATE_SR5 0 DOUT_GATE_SR6 0 DOUT_GATE_SR7 0 DOUT_GATE_SR8 0 # if set to 1, the DOUT "gates" will send 1mS pulses # useful for analog drums DOUT_1MS_TRIGGER 1 # should J5A/B/C outputs be enabled (0: no, 1: yes, 2: yes, but in open drain mode)? # - the 6 first AOUT gates will be forwarded to J5A/B # - the remaining last 2 AOUT gates are available at J5C.A10 and J5C.A11 (LPC17: J28.WS and J28.MCLK) # - DIN sync clock will be forwarded to J5C:A0 (LPC17: J28.SDA) # - DIN sync start/stop will be forwarded to J5C:A1 (LPC17: J28.SC) # - if open drain mode enabled (option 2), external pull-ups have to be connected to J5 pins # (advantage: pin levels can be pulled to 5V) # # NEVER USE THIS TOGETHER WITH ANALOG POTS - IT WILL CAUSE A SHORT CIRCUIT! J5_ENABLED 0 Does it look right? I understand how to use the CV part (AOUT note track, channels 1 to 8 for CV 1 to 8) Is the Gate defined by the same track, and if so, as the note defines the CV amount, does the lenght of the note define if the gate is on or off? About triggers... I read that they are deal with on channel 16... But then, one has to create a Drum track and find the right notes corresponding to the triggers? (Yes I know, so many questions and it is getting late...)

No way I could argue with that... :-)

It works! Thank you so much latigid on, you've been of a great help. I calibrated CV1 without issue (and it is almost perfectly pitched). Now I have to explore the CV Configuration page (so many options here!) to understand why I go from -1v to +1v only in bipolar mode on CV8 (I have the bipolar option, jumpers set as they should) Now I have to figure out how to deal with the gates. I think I'll go further and try to solve this Dout problem (Sometimes, you let something aside for a few months, and when you get back to it, you find the solution right away!). Thanks again!

Always better with a jumper! :-) Thanks again. Now, let's deal with config... On the AOUT page, there is a calibration procedure for MBSeq v3, but nothing for MBSeq v4. I guess it has to be calibrated anyway, right? ;-)

Great, thank you. I think that would be a very good idea to edit the AOUT page with the information on the thread you just linked to. The image for instance... Also : I was very confused at first because I made my connector (with the keyed connection) the other was around. So maybe it isn't clear for other people (like me) that the protruding part of the connector has to be on the side where the wire comes to the connector (back part of the connector), and not on the front part... I wired everything, and the problem is I don't have 5V on J19 of the core... So I don't get 5V on my AOUT module. Any idea about this ? (everything else works fine)

Thanks for the fast update on the ucapps AOUT page... ;-) About wiring, just to be extra sure... CORE ---> AOUT_NG Vs ---> GND-Vs Vd ---> Vcc SO ---> FS SC ---> DIN RC1 ---> SCLK About triggers, it is then safer to use a DOUT module for triggers, to avoid an accident?

Ha ha, yes, I see it now! Can you explain a little further about GPIO for gates? How many trigger outs can I get without adding a DOUT? Basically, what I want to be able to do is: 1. control analog synths with CV / Gate 2. also control analog drum machines with triggers (so I need as many trigger outs as there are sounds to be triggered...) Is the AOUT_NG enough for all of this?

OK, thanks ! I'll try that and keep you posted ! I have the first revision of the STM32. Hope it is the same (looks like it is). I have so many unfinished business with my MB Seq v4... The Dout module for triggers as well. I did not manage to make it work, then I closed the enclosure because I needed to use the Seq, and didn't try it since... :-/ I also hope that config won't be too tricky for the Aout. PS : I love interconnection diagrams, and wished there were more... ;-)

Hi, I'm bringing back to life this thread as I'd really like to have a clear explanation (or diagram) on how to connect the AOUT_NG to the Core (mine is a STM32). I've been searching a lot, couldn't find something definitive, and I don't want to fry anything... I really thought that the only connections to be made were -12v/Gnd/+12v and CORE (J4) to AOUT (J1 / J2) For the latest, can you help me complete : AOUT (J1 / J2) -----> CORE (J4 / ?) Pin1 (Gnd-Vs) -----> J4 Vs Pin2 (Vcc) -----> J4 5V Pin3 (FS) -----> ? Pin4 (DIN) -----> ? Pin5 (SCLK) -----> ? (and some explanation would be great!) Thank you in advance.

OK, I see... And I hear what you say about volume being better when to its max on the SID... But I have progs where I cannot interact with volume on the mixer, and have to make it through CCs ;-) So if I have a mixer map dealing with program change, then a pattern, and then a mixer map dealing with volume only (program change being "- -", it should do the trick, right?... All the best, Gael