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8 Commits

Author SHA1 Message Date
Scott Shawcroft
6839fff313 Move to ASF4 and introduce SAMD51 support. (#258) 
* atmel-samd: Remove ASF3. This will break builds.

* atmel-samd: Add ASF4 for the SAMD21 and SAMD51.

* Introduce the supervisor concept to facilitate porting.

The supervisor is the code which runs individual MicroPython VMs. By
splitting it out we make it more consistent and easier to find.

This also adds very basic SAMD21 and SAMD51 support using the
supervisor. Only the REPL currently works.

This begins the work for #178.
 2017-09-22 21:05:51 -04:00
Dan Halbert
c679c80c71 Modernize module and class static dicts; update freetouch 2017-08-27 15:02:50 -04:00
Scott Shawcroft
8f3c5ebdc8 atmel-samd: Clear the error bit after the known buffer overflow and be explicit about dst increase. 2017-08-03 13:44:31 -07:00
Scott Shawcroft
557ceded00 atmel-samd: Introduce audiobusio.PDMIn for recording audio from PDM 
microphones.
 2017-07-28 12:12:38 -07:00
Scott Shawcroft
3f5028c666 atmel-samd: Support wav file playback. Tested up to 16bit 22.1khz. Must be mono file! 
SD card support may work but likely needs buffer tuning. Its untested.

Fixes #105
 2017-05-15 19:52:38 -07:00
Scott Shawcroft
6984425f5d atmel-samd: Correctly wait for the SPI DMA transaction to finish. 2017-05-12 13:13:50 -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
58b9789d0c atmel-samd: Introduce audio sample playback via audioio.AudioOut. 2017-05-01 13:10:03 -07:00