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1acf65ee22
circuitpython/ports/atmel-samd
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Scott Shawcroft 1acf65ee22
Fix pwmio on iMX RT. 
It now handles deinit, never_reset and sharing tracking. PWM
now runs in the WAIT state as well during a time.sleep().

_reset_ok() was removed because it was called in one spot right
before deinit().

Some PWMOut were also switched to a bitmap for use instead of
reference count. That way init and deinit are idempotent.

Fixes #6589. Fixes #4841. Fixes #4541.
2023-02-22 11:22:39 -08:00
..
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 Tweak black_bindings 2022-09-30 11:18:13 -05:00
boards Turn back on for pewpew_m4, turn off terminalio for incomplete fonts in pewpew_m4 2023-02-15 14:45:15 -05:00
common-hal Fix pwmio on iMX RT. 2023-02-22 11:22:39 -08:00
freetouch@b6859a349e Use merged in FreeTouch 2018-05-23 11:57:35 -07:00
libs Use libgcc from Arch on SAMD21 (it's smaller.) 2022-08-04 16:33:41 -07:00
modules run code formatting script 2021-03-15 19:27:36 +05:30
peripherals@baca4c0843 Use memory fence when disabling cache to avoid -O2 problems 2022-12-29 19:49:40 -05:00
sd_mmc codeformat: Fix filename matching 2021-04-30 10:48:08 -05:00
supervisor Implement safemode.py 2023-02-13 18:26:38 -05:00
tools Remove busio.OneWire and bitbangio.OneWire 2022-05-24 12:26:33 -04:00
.gitattributes
audio_dma.c fix SAMD21 PDMIn DMA event use 2021-10-19 13:18:14 -04:00
audio_dma.h fix SAMD21 PDMIn DMA event use 2021-10-19 13:18:14 -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 working samd deep sleep timealarm and pinalarm (sketchy) 2021-09-29 11:44:15 -06:00
eic_handler.h reworked fake sleep. functional for pin and time 2021-10-09 11:44:10 -06:00
ld_defines.c modifications by pre-commit 2021-03-15 18:11:00 -05:00
Makefile SAM E54 Xplained devkit hardfaults at start with -O2 2022-11-29 13:05:39 -06:00
mpconfigport.h squeeze some specialized builds 2022-06-10 16:24:52 -04:00
mpconfigport.mk Try -fweb -frename-registers to make more SAMD21 builds fit 2023-02-15 16:38:24 -05:00
mphalport.c rework auto-reload delay logic 2022-03-11 14:03:04 -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 Move pin struct to the peripherals library. 2018-08-02 13:59:05 -07:00
shared_timers.c Reset timers separate from pwmio 2021-08-11 09:58:31 -07:00
shared_timers.h Reset timers separate from pwmio 2021-08-11 09:58:31 -07:00
timer_handler.c modifications by pre-commit 2021-03-15 18:11:00 -05:00
timer_handler.h Reset timers separate from pwmio 2021-08-11 09:58:31 -07:00

README.rst 

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