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
13cb4aa89d
atmel-samd: Add support for a second flash chip so either may be used.
2017-08-03 13:44:31 -07:00
Scott Shawcroft
3660023046
atmel-samd: Update README and add pinout tables that map MCU names
...
to names in the board module and explain pin capabilities.
Fixes #149
2017-07-13 16:05:24 -07:00
Scott Shawcroft
1e04e8ea1c
atmel-samd: Reboot to bootloader when a 1200 baud serial connection is
...
closed. This is how Arduino triggers the bootloader.
2017-07-12 11:58:22 -07:00
Scott Shawcroft
a715bf6bac
atmel-samd: Introduce board reset mechanic used on CircuitPlayground
...
Express to ensure the Neopixels are off after reloads.
2017-06-16 15:40:15 -07:00
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
b5f50fadf9
atmel-samd: Change Metro PID to 0x8014 so it doesn't conflict with Arduino's PID.
2017-06-06 16:18:34 -07:00
robomike
517590a58a
atmel-samd:renamed spi flash to confuse with the actual spi flash
2017-05-23 14:09:28 -04:00
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
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
4ad22144b0
atmel-samd: Rename metro M0 Express and add NEOPIXEL pin.
2017-05-01 11:29:51 -07:00