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bd6826496c
circuitpython/ports/raspberrypi/common-hal
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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
..
alarm Clean up sleep memory, mark as not-implemented 2021-06-20 17:57:51 -04:00
analogio run code formatting script 2021-03-15 19:27:36 +05:30
audiobusio Fix various RP2040 audio dma things: (see detailed commit message) 2021-07-08 08:14:49 -04:00
audiopwmio Fix various RP2040 audio dma things: (see detailed commit message) 2021-07-08 08:14:49 -04:00
board Removed more includes 2021-02-26 22:35:38 -06:00
busio Simplify the status LED to save power 2021-05-13 14:41:20 -07:00
countio run code formatting script 2021-03-15 19:27:36 +05:30
digitalio run code formatting script 2021-03-15 19:27:36 +05:30
displayio raspberrypi: Implement ParallelImageCapture using PIO 2021-04-22 12:02:51 -05:00
imagecapture ParallelImageCapture: Switch to taking a list of pins 2021-06-10 11:15:18 -05:00
microcontroller Simplify the status LED to save power 2021-05-13 14:41:20 -07:00
neopixel_write run code formatting script 2021-03-15 19:27:36 +05:30
nvm run code formatting script 2021-03-15 19:27:36 +05:30
os run code formatting script 2021-03-15 19:27:36 +05:30
pulseio Fix for issue #4908 - pulseout leaving line high 2021-06-23 21:09:27 -05:00
pwmio RP2040 PWMAudioOut: Release DMA channels after play has finished. 2021-07-01 17:36:29 -04:00
rgbmatrix run code formatting script 2021-03-15 19:27:36 +05:30
rotaryio raspberrypi: Implement ParallelImageCapture using PIO 2021-04-22 12:02:51 -05:00
rp2pio codeformat: Fix filename matching 2021-04-30 10:48:08 -05:00
rtc run code formatting script 2021-03-15 19:27:36 +05:30
supervisor run code formatting script 2021-03-15 19:27:36 +05:30
watchdog run code formatting script 2021-03-15 19:27:36 +05:30