[Snek] [keith-packard/snek] dee126: samd21: Regularize SAMD21 build process

[Keith Packard]

  Branch: refs/heads/itsybitsy
  Home:   https://github.com/keith-packard/snek
  Commit: dee126597fd986bfebcca041190b11ae73e1aef0
      https://github.com/keith-packard/snek/commit/dee126597fd986bfebcca041190b11ae73e1aef0
  Author: Keith Packard <keithp at keithp.com>
  Date:   2019-05-17 (Fri, 17 May 2019)

  Changed paths:
    A ao/ao-led.c
    A ao/ao-led.h
    A ao/ao-notask.c
    A ao/ao-notask.h
    A ao/ao-panic.c
    A ao/ao.h
    A ao/make-product.py
    M crickit-snek/Makefile
    M metro-snek/Makefile
    M playground-snek/Makefile
    R samd21/ao-led.c
    R samd21/ao-led.h
    R samd21/ao-notask.c
    R samd21/ao-notask.h
    R samd21/ao-panic.c
    R samd21/ao.h
    R samd21/make-product.py
    M samd21/snek-samd21.defs

  Log Message:
  -----------
  samd21: Regularize SAMD21 build process

Move 'altos' files to separate directory.
Move more build stuff into snek-samd21.defs file

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


  Commit: 2a4317a9a1566a74ee62385844f6c4ae59f4c481
      https://github.com/keith-packard/snek/commit/2a4317a9a1566a74ee62385844f6c4ae59f4c481
  Author: Keith Packard <keithp at keithp.com>
  Date:   2019-05-18 (Sat, 18 May 2019)

  Changed paths:
    A ao/ao-product.c
    A ao/ao-snek.h
    A ao/ao-usb.h
    M ao/ao.h
    A avr/ao-adc-avr.c
    A avr/ao-arch-funcs.h
    A avr/ao-arch.h
    A avr/ao-avr-stdio.c
    A avr/ao-timer.c
    A avr/ao-usb-avr.c
    A avr/snek-avr.defs
    A avr/snek-avr.h
    A avr/snek-avr5.x
    A itsybitsy-snek/Makefile
    A itsybitsy-snek/ao-pins.h
    A itsybitsy-snek/itsybitsy.builtin
    A itsybitsy-snek/snek-itsybitsy-install.in
    A itsybitsy-snek/snek-itsybitsy.c
    M metro-snek/ao-pins.h
    M samd21/ao-arch.h
    R samd21/ao-product.c
    R samd21/ao-snek.h
    R samd21/ao-usb.h

  Log Message:
  -----------
  itsybitsy-snek: Add itsybitsy board support

This board has an ATmel ATMega 32U4 processor with integrated
USB. Snek is mostly working, but there isn't any GPIO support yet.

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


Compare: https://github.com/keith-packard/snek/compare/dee126597fd9%5E...2a4317a9a156