Commit Graph

11 Commits

Author SHA1 Message Date
Scott Shawcroft 6aaab005c5
Initial ESP32S2 port.
Basic blinky works but doesn't check pins.
2020-05-15 15:36:16 -07:00
Scott Shawcroft 418333979a
Fix autoreload, neopixel, monotonic_ns and sleep w/o SD 2020-03-13 11:12:31 -07:00
Scott Shawcroft 6f60afe8c5
First try at lowering the power consumption 2020-03-13 11:12:30 -07:00
Scott Shawcroft 7d8dac9211
Refine iMX RT memory layout and add three boards
Introduces a way to place CircuitPython code and data into
tightly coupled memory (TCM) which is accessible by the CPU in a
single cycle. It also frees up room in the corresponding cache for
intermittent data. Loading from external flash is slow!

The data cache is also now enabled.

Adds support for the iMX RT 1021 chip. Adds three new boards:
* iMX RT 1020 EVK
* iMX RT 1060 EVK
* Teensy 4.0

Related to #2492, #2472 and #2477. Fixes #2475.
2020-01-17 17:36:08 -08:00
Kamil Tomaszewski 96756b3945 Add functions to get top and limit stack 2019-10-18 11:04:45 +02:00
Dan Halbert 7b3f7605b8 address @tannewt changes: move and rename common files; remove PORT_HEAP_SIZE 2019-02-15 20:32:32 -05:00
Scott Shawcroft 6ef8639971
Rework safe mode and have heap overwrite trigger it.
This creates a common safe mode mechanic that ports can share.
As a result, the nRF52 now has safe mode support as well.

The common safe mode adds a 700ms delay at startup where a reset
during that window will cause a reset into safe mode. This window
is designated by a yellow status pixel and flashing the single led
three times.

A couple NeoPixel fixes are included for the nRF52 as well.

Fixes #1034. Fixes #990. Fixes #615.
2018-12-06 14:24:20 -08:00
Scott Shawcroft 9d91111b1b
Move atmel-samd to tinyusb and support nRF flash.
This started while adding USB MIDI support (and descriptor support is
in this change.) When seeing that I'd have to implement the MIDI class
logic twice, once for atmel-samd and once for nrf, I decided to refactor
the USB stack so its shared across ports. This has led to a number of
changes that remove items from the ports folder and move them into
supervisor.

Furthermore, we had external SPI flash support for nrf pending so I
factored out the connection between the usb stack and the flash API as
well. This PR also includes the QSPI support for nRF.
2018-11-08 17:25:30 -08:00
microbuilder 60a23f0fb6 nRF52 update with internal file system support 2017-12-21 13:49:14 +01:00
Scott Shawcroft 0bbb7a8199 Add support for patching newer ASF4 code. (#292)
* atmel-samd: Support patching after updating ASF4.

This makes it possible to automatically fix newer code.

* atmel-samd: Update ASF4 to include flash APIs for SAMD51.

This is the first automatic update that has caused a few deletions
where code was previously copied instead of moved.

This is a prerequisite for #260.
2017-09-28 23:33:44 -04:00
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