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4 Commits

Author SHA1 Message Date
Scott Shawcroft d189a3f3cf atmel-samd: Support auto-reset based on USB write activity. 
It will soft-reboot micropython after a burst of writes to the
file system. This means that after you save files on your computer
they will be automatically rerun.

This can be disabled in the build by unsetting AUTORESET_TIMER in
mpconfigboard.h.

Using the REPL will also prevent the soft resets until you reset
with CTRL-D manually.
 2016-10-25 18:36:37 -07:00
Scott Shawcroft 98c8f2f6a3 atmel-samd: Update the FatFs sector cache on USB mass storage write 
to the same sector.

This fixes #20, the issue where a listdir or import won't work
without a reset when it was run before the file was copied.
 2016-10-21 15:44:10 -07:00
Scott Shawcroft 8b1526e95e atmel-samd: Add a heap based cache for writing to flash. 
The code will fallback to the flash scratch space when the GC
cannot allocate us enough memory.
 2016-10-21 15:44:09 -07:00
Scott Shawcroft 306c921ed1 atmel-samd: Rework mass storage interaction with underlying block 
storage to use micropython's VFS interface.

This makes mass storage work with any VFS implementation rather
than a single one.
 2016-10-21 15:36:59 -07:00