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4ms QCD new Firmware
MUFF WIGGLER Forum Index -> Eurorack Modules  
Author 4ms QCD new Firmware
Multonly is x1, x2, x3, x4,x5,x6,x7,x8,x9,x10,x11,x12,... up to x19.
no divisions
carnatic and multonly test
Great stuff as usual Ebotronix. You should try some experiments with mixing Funicular and Sunrider. I had them both playing simultaneously and it sounded awesome...
Awesome Ebo!

If anyone is curious, there's alternative firmware for the QCD here:

The code has been updated to allow for different division/multiplication values. Any values can be used from /64 to x64... I've compiled a few sample hex files in the above links:

Carnatic is 11,9,8,7,6,5,4,3,2,1 (both division and multiplication)

Multonly is x1, x2, x3, x4... up to x19 (multiplication only)

Odds is: 15,13,11,9,7,5,3,2,1 (both division and multiplication)

Prime is prime numbers only: 23,17,13,11,7,5,3,2,1 (both division and multiplication)

Here's some tips on how to re-program:

I'd be happy to help anyone, or even compile some custom numbers...
thanks Dann for the new firmware!
nice work!

I'm loving my qcd, but find myself only using the multiples on two of the channels.

I'd love to update the firmware to do multiples only. Is there anyone (or know of anyone) in London who has the kit to do this? I can come over and supply the beers

A further thanks to 4me for the qcd. I don't know of any other module than can so easily put out multiples of an incoming clock pulse. Absolutely essential for the grooves I'm making!
has anyone had any luck programming individual channels on v2 ? How would you modify qcd.c to do that?

Yes I have, let me find the github....
So here's my version, there's multonly.c which is badly named, as I have channel 1&2 as multonly, and the 3&4 normal
thank you, 7on5on8on3. it kinda seems to do the job. Nevertheless, on mine (v2) the bottom two channels display inconsistent behavior.

On start sometimes ch 4 is div 2 although set to '='. I can correct this by turning the pot ccw and back to '='.

This also happens on certain factors, e.g. setting ch 3 to * 4 actually sets it to * 3.

i tried the calibration routine but the channel lights don't work past the first channel Dead Banana
That totally sounds like it needs calibrating. mine needed it too.
I calibrated mine before I changed the firmware, and it's still fine.

I guess you can try calibrating yours on the original firmware, then swapping firmware.

just in case my modifications messed up the calibration process somehow.
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