Rewrite I2S from scratch, add input support #569
Merged
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Rewrite the I2S code from scratch to eliminate the dependence on the
pico-extras implementation and to support I2S input as well.
8-bit, 16-bit, 24-bit, and 32-bit words are supported.
Multiple I2S ports are allowed.
I2S input and I2S output are supported.
Fixes #535
Fixes #99