[Snek] [keith-packard/snek] 1fa953: ports/narrow-1284: Add .gitignore

[Keith Packard]

  Branch: refs/heads/main
  Home:   https://github.com/keith-packard/snek
  Commit: 1fa953a2a133769c5186819c9464befb7feb5bf6
      https://github.com/keith-packard/snek/commit/1fa953a2a133769c5186819c9464befb7feb5bf6
  Author: Keith Packard <keithp at keithp.com>
  Date:   2021-02-10 (Wed, 10 Feb 2021)

  Changed paths:
    A ports/narrow-1284/.gitignore

  Log Message:
  -----------
  ports/narrow-1284: Add .gitignore

Signed-off-by: Keith Packard <keithp at keithp.com>


  Commit: 6a4326bb46053bc3bb4b115b5b91ad44e8f13db5
      https://github.com/keith-packard/snek/commit/6a4326bb46053bc3bb4b115b5b91ad44e8f13db5
  Author: Keith Packard <keithp at keithp.com>
  Date:   2021-02-10 (Wed, 10 Feb 2021)

  Changed paths:
    M chips/samd21/ao-snek.h
    M chips/samd21/snek-gpio.c

  Log Message:
  -----------
  chips/samd21: Add SNEK_PIN_INVERT mode

This inverts the values sent to a pin for cases where a peripheral is
active low.

Signed-off-by: Keith Packard <keithp at keithp.com>


  Commit: f14e515283a601c939ca0d2e42e6304a2b2e55df
      https://github.com/keith-packard/snek/commit/f14e515283a601c939ca0d2e42e6304a2b2e55df
  Author: Keith Packard <keithp at keithp.com>
  Date:   2021-02-10 (Wed, 10 Feb 2021)

  Changed paths:
    A ports/xiao/.gitignore
    A ports/xiao/Makefile
    A ports/xiao/ao-pins.h
    A ports/xiao/snek-xiao.builtin
    M snek-install.defs

  Log Message:
  -----------
  ports/xiao: Add port to Seeed XIAO

This is a tiny SAMD21-based board with a few built-in LEDs

Signed-off-by: Keith Packard <keithp at keithp.com>


Compare: https://github.com/keith-packard/snek/compare/0a22b965ff74...f14e515283a6