teensy-i2s
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hughpyle
I2S digital audio library for Teensy3
Current test rig only uses the OCL shield. Need regression tests with the Mikro board.
For multi-channel codecs, the library should support "DSP mode" (aka "TDM") instead of classic I2S. To do this will probably need special-case frame setup, and should just assume that anything...
so Rx probably doesn't work unless Tx is active. On the other hand, you need to synchronize to do "pass-thru" or similar. Make it a parameter.