mixmrt/i2s: Add I2S protocol support. #8322
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- I2S API consistent with STM32, ESP32, and RP2 ports
- I2S features:
- controller transmit and controller receive
- 16-bit and 32-bit sample sizes
- mono and stereo formats
- sampling frequencies from 8kHz to 48kHz
- 3 modes of operation:
- blocking
- non-blocking with callback
- uasyncio
- configurable internal buffer
- optional MCK
- tested with the following development boards:
- MIMXRT1010_EVK, MIMXRT1015_EVK, MIMXRT1020_EVK, MIMXRT1050_EVK
- Teensy 4.0, Teensy 4.1
- Olimex RT1010
- Seeed ARCH MIX
- tested with the following I2S hardware peripherals:
- UDA1334
- GY-SPH0645LM4H
- WM8960 codec on board the MIMXRT boards and separate breakout board
- INMP441
- PCM5102
- SGTL5000 on the Teensy audio shield
Signed-off-by: Mike Teachman <mike.teachman@gmail.com>
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Thanks for this, it looks good! I tested it on a Teensy 4.0 with the new Merged in 1f6cb8f |
dpgeorge
reviewed
Mar 30, 2022
| @@ -171,7 +171,7 @@ const machine_pin_obj_t *pin_find(mp_obj_t user_obj) { | |||
| return pin_obj; | |||
| } | |||
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| mp_raise_ValueError(MP_ERROR_TEXT("Pin doesn't exist")); | |||
| mp_raise_ValueError(MP_ERROR_TEXT("Pin does not exist")); | |||
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I reverted this change, it should use contracted form to match everywhere else.
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The intent was to be more easily understood by users who have English as a 2nd language. I see the point about consistency.
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There was a commit/PR from a while ago that went through and contracted everything, with the main aim to reduce code size.
tannewt
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Aug 28, 2023
Unconditionally use sphinx_rtd_theme when building docs
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