Scott Shawcroft
777542c716
Add basic memory allocation outside Python runtime
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This allows for the heap to fill all space but the stack. It also
allows us to designate space for memory outside the runtime for
things such as USB descriptors, flash cache and main filename.
Fixes #754
2018-07-31 05:18:03 -07:00
Scott Shawcroft
d0fb6e7a2f
atmel-samd: Add rotary encoder support.
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Fixes #283
2018-06-01 15:08:48 -07:00
Scott Shawcroft
fd71e56891
atmel-samd: Re-org helper peripheral files into their own subdirectory.
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Ideally in the future they won't depend on ASF4 or MicroPython.
2018-06-01 15:07:31 -07:00
Scott Shawcroft
fd7dcff4e9
Add Feather M4 Express support.
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* Also fixed detection of SPI flash chip to correct look in the 2+
spots.
* Added support for using QSPI in dual read mode.
2018-03-23 00:00:13 -07:00
Scott Shawcroft
3bf4d69f67
Update Metro M4 to rev F and make flash reset on start.
2018-03-22 16:42:47 -07:00
Scott Shawcroft
e7fc0b6aa7
Use DMA for long SPI transactions including those to the SPI Flash.
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QSPI is not currently working so its commented out.
This is progress on #652 .
2018-03-09 12:45:46 -08:00
Scott Shawcroft
01aceaae50
Support all boards and remove erase and page sizes because they never change.
2018-03-01 12:45:12 -08:00
Scott Shawcroft
2ab923862b
Structify flash device definitions.
2018-02-28 19:15:54 -08:00
Scott Shawcroft
bf05183158
Merge remote-tracking branch 'adafruit/2.x' into merge_2x
2018-02-27 15:24:16 -08:00
Scott Shawcroft
653fc8877d
Remove breakpoint instruction used for debugging.
2018-02-19 21:38:14 -08:00
Scott Shawcroft
15f626be58
m4 qspi works. m0 compiles
2018-02-19 14:02:04 -08:00
Scott Shawcroft
f20d5723aa
Reorganize things. Reading jdec works.
2018-02-19 14:02:04 -08:00
