PreenFM > preenfm2 and preenfm3

reversed encoders problem

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grm:
hi everybody and especially Xavier,

just finished the build of a new preenFM2 with a friend and we are happy that all (almost!) worked on the first try. thanks for this wonderful project.

now the question, as some people have had before (here: http://ixox.fr/forum/index.php?topic=2320.msg2781#msg2781), for this build we used cheap encoders, that are reacting in reverse direction (the value steps per click work fine). we thought we would find an easy fix as it seemed to be solved in the thread, but the special firmware link is dead now. also it was a fix for the BLUE one from 2012.

is there a new firmware fix for this to be found somewhere and how can that be embedded into the existing one, how does the update work?

any hints highly appreciated. thanks

here are the specs for the encoders we have used:
Position: 20
Puls: 20
2-Bit Gray-Code
Closed Circuit resistance: 3 Ohm Maxima
Max. : 10 mA at 5 VDC

Xavier:
Hi,

It's a simple change ;) I wanted to add that for a long time.
I've pushed the change list in a new branch.
https://github.com/Ixox/preenfm2/commit/1a73d150ee31136a00183db9969c230b979fc4ef

Firmware 2.09a is attached.

Go in the encoders menu : Tools > Set > Rot. Enc.
Then you have 2 new encoders 12i and 24i which are inversed version of 12 and 24.

There's a trap, as soon as you select one of the "i" encoders, the encoders are inversed. So to go from 12i to 24i turn the other way.
Reminder : once you have the encoder you want. Press MENU twice to save.

Xavier


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grm:
Thanks for your incredibly quick response and help.
You are awesome!

<3

spatulacity:
Hello all,
and thanks a million Xavier from me too!
Awesome synth.

I got my backwards encoders working perfect now, although it did require modifying the <SETTINGS.txt> by hand ("encoders=3" in my case). The menu item says "i24", but if i change it the options turn to only 12 and 24, getting back to i24 only through reboot.
Anybody else experiencing the same?

grm:
a feedback.

well, i have the same issue after flashing the 2.09a Firmware:

still only 2 encoder options. no inverse.

i might try itthe SPATULACITY way, but i am a bit concerned, because i have zero coding $KILL$.

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