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7 Commits

Author SHA1 Message Date
Scott Shawcroft 3e23464b1e atmel-samd: Add user initiated safe mode and rework board.c for 
board specific functionality.

Fixes #155
 2017-06-16 14:55:53 -07:00
Scott Shawcroft 7672bf7736 atmel-samd: Rename auto-reset to auto-reload to reduce confusion with physical reset buttons. 2017-05-12 16:45:38 -07:00
Scott Shawcroft e1a6f6d584 atmel-samd: Rework SPI flash defines for clarity. 
Also add sector protection support for the SAMD Xplained board.
 2017-05-12 14:47:39 -07:00
Scott Shawcroft 7ea76e0889 atmel-samd: Pin reset improvements. 
* Reset SWD lines to SWD rather than GPIO. This makes OpenOCD happier.
* Default speaker enable lines to False for CircuitPlayground to prevent
  the speaker from buzzing when no sound is playing. Fixes #126
 2017-05-12 13:14:01 -07:00
Scott Shawcroft 6512ccf32e atmel-samd: Use DMA for user SPI. 
Also replace use of PINMUX_DEFAULT with PINMUX_UNUSED to prevent any
accidental pin changes. This caused user SPI to break internal SPI
flash on the Feather M0 Express.

Fixes #100
 2017-05-03 10:50:29 -07:00
Scott Shawcroft 24a5752f94 atmel-samd: Use DMA for SPI flash block transfers. 
Fixes #99
 2017-05-02 15:25:06 -07:00
Scott Shawcroft 8505de1ced atmel-samd: rename cplay_m0_flash to circuitplayground_express and update for new rev (F). 2017-04-11 17:59:02 -07:00