djsundog/circuitpython
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3 Commits

Author SHA1 Message Date
Scott Shawcroft
b4d3699047 Introduce reset mechanics to microcontroller. 
This allows one to configure how a subsequent reset will behave and
also trigger a reset.

Fixes #350 and fixes #173
 2017-12-05 14:50:58 -08:00
Scott Shawcroft
266be30777 atmel-samd: Introduce a nvm module for non-volatile byte-level memory access. (#203) 
* atmel-samd: Introduce a nvm module for non-volatile byte-level memory access.

This allows for persisting small configuration values even when the file system
is read-only from CircuitPython.

Fixes #160

* Review feedback:
* Add tests.
* Fix non-zero index.
* Fix len()
 2017-08-25 16:00:27 -04:00
Scott Shawcroft
ae715a827b atmel-samd: Rework the clock configs to only be crystalless when needed by the hardware. 2017-02-10 05:09:17 -08:00