GitHub - dfl/Adafruit_ZeroDMA_I2S_DSP_example: synthesize a sine wave on the fly and play it in the background with DMA and I2S

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synthesize a sine wave on the fly and play it in the background with DMA and I2S - for SAMD21 and above

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Name		Name	Last commit message	Last commit date
Latest commit History 3 Commits
README.txt		README.txt
dma_test.ino		dma_test.ino
sine_wave.h		sine_wave.h

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for Arduino Zero or Adafruit Metro M0 using Adafruit_Zero_DMA library

Example code to generate audio data on the fly and copy it with DMA to I2S playback.
This frees up the processor to do other things like control LEDs, etc.

Only tested on SAMD21 but should work on SAMD51.