Dan Halbert bd6826496c Fix various RP2040 audio dma things: (see detailed commit message) ... 1. Check for correct error values from dma_claim_unused_channel. 2. Introduce a .stereo flag for simplicity. 3. Clarify PWM carrier frequency choice. 4. Start introducing quiescent audio value. Still need to ramp up/down. 5. Redo audio stop logic a bit. 6. Fix (unrelated) displayio dependency things. There is still an interference problem between other DMA users and audio. Still debugging this.		2021-07-08 08:14:49 -04:00
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__init__.c	Implement audiobusio and enhance PIO for it	2021-02-23 15:50:00 -08:00
I2SOut.c	Fix various RP2040 audio dma things: (see detailed commit message)	2021-07-08 08:14:49 -04:00
I2SOut.h	RP2040 PWMAudioOut: Release DMA channels after play has finished.	2021-07-01 17:36:29 -04:00
PDMIn.c	raspberrypi: Implement ParallelImageCapture using PIO	2021-04-22 12:02:51 -05:00
PDMIn.h	Implement audiobusio and enhance PIO for it	2021-02-23 15:50:00 -08:00