feat: rework audio engine, simplify UI, add CI#5
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Audio: - render on core1 paced by the I2S DMA buffer instead of a timer ISR - soft-clip the mix for headroom, precompute per-voice gain, ramp attacks - fix constrain() no-ops, the interpolation read past the sample end and the off-by-one LED and trigger loop bounds UI: - four encoder pages: select, sample, volume, pitch - per-channel LED colours with a 10s trigger-activity screensaver - save sample, pitch, volume and CV assignment to flash - encoder direction and sound kit are build-time options CI: - matrix build of every kit for normal and reversed encoders - release-please for versioning and releases
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Nice work! |
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I had one question. Do we have the xfmt (mute) pin on a gpio? I'm using it to keep the noise down on marvelous using the mute on the pcm5012a. |
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Sigh, just looked at the schematic and it's grounded out. Hmmm. version 2 :) |
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Reworks the firmware and adds CI.