circuitpython/ports/atmel-samd
Dan Halbert 59b89fdc5c Fix various audio DMA issues:
RP2040 and SAMD51:
- Detect when DMA has finished, and stop DMA audio explicitly.
- Do not accidentally reuse `first_buffer` supplied by WaveFile or RawSample. Always realloc `first_buffer` and `second_buffer`

RP2040:
- When audio playing is stopped, write a final zero to the output register. This prevents residual PWM tones.
- Handle buffer size for 8-bit samples properly for 16-bit output.
- Fail on some edge cases (which may not be possible at the moment).
2021-08-09 09:47:13 -04:00
..
asf4@84f56af132 update submodules to merge commits 2020-09-14 17:22:30 -05:00
asf4_conf Merge pull request #4716 from tyomitch/main 2021-05-08 08:47:29 -05:00
bindings/samd Fix board builds and use MP_ERROR_TEXT in py and extmod 2021-05-05 17:51:52 -07:00
boards Colocated board.LED and D13 together (GCM4) 2021-08-09 05:35:38 +02:00
common-hal Fix various audio DMA issues: 2021-08-09 09:47:13 -04:00
freetouch@b6859a349e
modules run code formatting script 2021-03-15 19:27:36 +05:30
peripherals@a7e39c4d01 samd: Update peripherals submodule 2020-10-17 20:08:32 -05:00
sd_mmc codeformat: Fix filename matching 2021-04-30 10:48:08 -05:00
supervisor remove gamepad; deprecate gamepadshift 2021-07-26 22:15:09 -04:00
tools run code formatting script 2021-03-15 19:27:36 +05:30
.gitattributes
.gitignore
audio_dma.c Fix various audio DMA issues: 2021-08-09 09:47:13 -04:00
audio_dma.h RP2040 PWMAudioOut: Release DMA channels after play has finished. 2021-07-01 17:36:29 -04:00
background.c Remove OSError(0) and old network modules 2021-07-21 17:33:40 -07:00
background.h supervisor: factor supervisor_background_tasks from sundry ports 2020-07-15 11:49:44 -05:00
eic_handler.c modifications by pre-commit 2021-03-15 18:11:00 -05:00
eic_handler.h refactor countio based on feedback 2020-05-05 15:23:38 +10:00
fatfs_port.c modifications by pre-commit 2021-03-15 18:11:00 -05:00
ld_defines.c modifications by pre-commit 2021-03-15 18:11:00 -05:00
Makefile It's "shared-module", not "shared-modules" 2021-08-03 10:37:47 -05:00
mpconfigport.h Allow changing size of the filesystem on samd21 per board 2021-07-08 22:19:54 +02:00
mpconfigport.mk Remove OSError(0) and old network modules 2021-07-21 17:33:40 -07:00
mphalport.c modifications by pre-commit 2021-03-15 18:11:00 -05:00
mphalport.h modifications by pre-commit 2021-03-15 18:11:00 -05:00
qstrdefsport.h Merge MicroPython 1.13 into CircuitPython 2021-05-04 18:06:33 -07:00
README.rst docs: Improve 5.0.x <-> main branch doc linkrot 2020-06-14 11:12:35 -05:00
reset.c Add some NORETURN attributes 2020-09-28 18:55:56 -05:00
reset.h Add some NORETURN attributes 2020-09-28 18:55:56 -05:00
samd_peripherals_config.h
timer_handler.c modifications by pre-commit 2021-03-15 18:11:00 -05:00
timer_handler.h Merge remote-tracking branch 'adafruit/master' into lower_power 2020-04-20 18:25:13 -07:00

SAMD21 and SAMD51
==================

This port supports many development boards that utilize SAMD21 and SAMD51 chips. See
https://circuitpython.org/downloads for all supported boards.


Building
--------

For build instructions see this guide: https://learn.adafruit.com/building-circuitpython/


Debugging
---------

For debugging instructions see this guide: https://learn.adafruit.com/debugging-the-samd21-with-gdb


Port Specific modules
---------------------

.. toctree::
    ../../shared-bindings/samd/index