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antz's Introduction

Antz is the firmware for the Ants analog semi-modular synthesizer from Plankton
Electronics (http://www.planktonelectronics.com/)

Currently Antz implements the MIDI to CV feature. You can connect any MIDI
keyboard, sequencer or computer and it transforms the digital signal to analog
voltages for controlling the synth.

The code is designed to run in a Atmel AVR atmega328p, but easily should run in
any other AVR device with few modifications.

Compilation and upload
======================
$ ./configure --host=avr
prepares code to be compiled on your system.

$ make
compiles everything.

$ make upload
uploads program to an AVR MCU using 'avrdude'.

$ ./configure --help
lists available compile time options.

antz's People

Contributors

albertfc avatar

Stargazers

Vladimir Golubev avatar R.A.W. avatar

Watchers

Olivier Ozoux avatar  avatar R.A.W. avatar  avatar

antz's Issues

CV2 doesn't use second MIDI note on the according setting

Hi Albert, when the dip switch is set to use CV2 as second note, currently it just outputs the same voltage as CV1.

According to Ants' manual it was supposed to alter the voltage based on the second midi note that is received.

How to upload firmware from computer to Ants

Hi!

I use Ants synth with Volca Sample in same setup. Volca uses all midi channels in range 1-10 and I would like to shift the Ants midi channel interval by 8 steps, i.e. to 9-16 channels range.

I found how to fix this in the code, but I am so far from microcontrollers and DIY, so could you write a small tutorial, how can I upload this firmware to Ants? Here is what I have now:

  1. Macbook
  2. Audio Interface with MIDI Out
  3. MIDI cable
  4. Ants! Synt

I guess I need some kind of microcontroller, a cable ... I don't even know.

Wrap notes outside range using modulo not min/max

The note range of the Ants! is 36-96 or C3 to C8. But right now, notes outside the range are simply clamped to the min/max value of the range when they should be folded to the same note in the playable range.

Playing D8 ( Note #98 ) should be mapped to D7 ( Note #86 ) and not clamped to C8 (96)

Pseudocode should be something like this:

if (note > max) {
  note = (max - 12) + (note mod 12)
}
else if (note < min) {
  note = min + (note mod 12)
}

This would remove the problem of hearing a C when you are playing a D

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