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circuitpython/ports/raspberrypi/common-hal/audiobusio/__init__.c

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Implement audiobusio and enhance PIO for it This adds I2SOut and PDMIn support via PIO. StateMachines can now: * read and read while writing * transfer in 1, 2 or 4 byte increments * init pins based on expected defaults automatically * be stopped and restarted * rxfifo can be cleared and rxstalls detected (good for tracking when the reading code isn't keeping up) Fixes #4162
2021-02-23 18:50:00 -05:00
// No audiobusio module functions.