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View Code? Open in Web Editor NEWFirmware for the Dato DUO
Firmware for the Dato DUO
duo-firmware
repo work with new branchduo-firmware
have the subrepo.When turning off a step while the note of that step is playing, the DUO does not send a note off. Thus, the triggered note stays on.
I see in the readme the instructions on compiling and uploading. But there are pre-built releases ready to be used. What's the command for just upgrading the firmware from a pre-compiled release?
Thanks! You all rock!
At this point, keyboard scanning, sequencer handling and potentiometer readout happens in the main loop at an unspecified rate. This should be moved to a timer to let for instance slide act predictably.
When the sequencer is off, the "start button" (SEQ_START) now is on. Some people do not know how to start when the DUO is not playing. The blinking of the "start button" will be a clear que for any user.
It would be nice to let the "start button" blink at the tempo and gate length of the sequencer.
When playing fast on the internal keyboard, for example three notes next to each other up and down quickly not all notes are played (when the sequencer is stopped).
With an external midi controller connected it works fluently, it would be nice to have the same responsiveness with the built in keyboard.
Is it technically possible store multiple notes in a slot?
I'm not a C programmer, haven't touched it since college, but I can pick it back up to possibly attempt to add this feature.
If it's possible maybe I can enable it as a feature flag or something like that.
Any pointers (not a c joke) would be great.
Cheers,
Justin
Hello, I'm attempting to upload the firmware to my Duo and running into some issues.
I've followed the setup instructions in the README, using the Arduino 1.8.5 IDE with Teensyduino 1.4 on a Mac, but the upload always fails with the following error:
Teensy did not respond to a USB-based request to enter program mode.
Please press the PROGRAM MODE BUTTON on your Teensy to upload your sketch.
An error occurred while uploading the sketch
The program appears to compile fine, but the upload doesn't succeed.
Is it necessary to push the tiny button on the Duo unit (through the hole next to the headphone jack) in order to program the board? I experimented with this, but was still seeing the same issues when trying to upload.
I also experimented with building using the Makefile, but ran into some other issues with path configurations.
Any help would be greatly appreciated. I have a couple of modifications I've made to the sequencer I'm excited to try out.
<3 Dato Duo!
Thanks,
Chris
At this time the "double speed button" (BTN_SEQ1) also speeds up the sync output. While playing with the DUO with the Volca synced to it, it fled weird that the volca also sped up. I think would be more interesting if you would just speed up the DUO's sequencer for the time you press the "double speed button"
Is the a variable some where that is controlling the drum pad volume, I would like to experiment with increasing it.
Cheers,
Justin
When the tempo (tempo_interval) is at the maximum and the "doulbe speed button" (BTN_SEQ1) is pressed (so the sequencer is almost running into audio range), we would like it if when you press a "keyboard button" (KEYB_x) that it will fill up the entire sequence with this tone and not play in just one note (at is always does.)
Currently, potentiometer values are mapped to their paramters in a linear way. This does not fit well with most musical parameters. There should be a way to map values in a non-linear fashion, for example providing curves such as logarithmic and inverse logarithmic.
Optionally, this could be implemented like commercial logarithmic potentiometers, providing two sections of different linear mappings to approximate the logarithmic curve while providing better performance.
Should this be added on to analogRead() as an extra attribute? Or should it be a separate mapping function?
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