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* using the i2c-to-internal-dac functions, it sounds a bit betterdakkar2020-08-28
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* move sound rendering inside delay waiting for sensordakkar2020-08-28
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* sounds not-completely terribledakkar2020-08-28
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* vaguely workingdakkar2020-08-28
| | | | it takes too long to render the font, though
* dump a soundfound as a C headersoundfontdakkar2020-08-23
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* some soundfont notesdakkar2020-08-23
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* soundfont works!dakkar2020-08-23
| | | | it's pretty noisy, but might be good enough
* trying to use a soundfontdakkar2020-08-23
| | | | I get very weird exceptions when calling `tsf_note_on`?
* bring the tone downdakkar2020-08-22
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* *finally* a set of pins that actually worksdakkar2020-08-22
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* generalise the code a bitdakkar2020-08-22
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* different wiringdakkar2020-08-22
| | | | | | | * pins above 33 don't work as output, according to the esp32 source code * the TTGO-T7 / Mini32 doesn't like using some pins * this still doesn't work
* move amp setup togetherdakkar2020-08-22
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* actual notesdakkar2020-08-21
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* using arduino-esp32 branch esp32s, it plays!dakkar2020-08-21
| | | | that branch exposes the "cosine wave generator", so I don't have to
* this makefile finally worksdakkar2020-08-21
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* maybe correct board in makefile?dakkar2020-08-21
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* use correct dacdakkar2020-08-21
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* maybe make it play a sounddakkar2020-08-21
| | | | also, all the pins
* we can sense quite fast!dakkar2020-08-20
| | | | | 1ms between reads means a full scan of the 5×5 matrix takes ~25ms, so about 40Hz sampling for the entire keyboard. Should be enough!
* Add 'esp32/' from commit '90fb5981770fb75a4d3e7eefed28eaf47a8730ab'dakkar2020-08-20
git-subtree-dir: esp32 git-subtree-mainline: 4704c406483377353cfbbcb86dec742c23bbf6c9 git-subtree-split: 90fb5981770fb75a4d3e7eefed28eaf47a8730ab