32c616b5dd
Initial Grand Central definition
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It has a ton of pins in a Mega form-factor
This also includes a change to init the stack earlier. It fixes
a crash that occurs if the flash doesn't start correctly and the
original spot isn't reached.
2018-09-06 16:54:13 -07:00
a5e03b76a6
Split out the peripherals library in preparation of sharing with MakeCode.
2018-06-15 16:16:21 -07:00
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
e82f37c60e
enable cache in SAMD51
2018-05-07 21:55:37 -04:00
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
06b4c83f59
Add reminder to remove Saleae when going fast.
2018-03-22 17:44:44 -07:00
3bf4d69f67
Update Metro M4 to rev F and make flash reset on start.
2018-03-22 16:42:47 -07:00
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
2ab923862b
Structify flash device definitions.
2018-02-28 19:15:54 -08:00
15f626be58
m4 qspi works. m0 compiles
2018-02-19 14:02:04 -08:00
f20d5723aa
Reorganize things. Reading jdec works.
2018-02-19 14:02:04 -08:00
Scott Shawcroft
Scott Shawcroft
Dan Halbert