Board support crates

Board support crates provide a further level of wrapping for a specific board for convenience.

# // Copyright 2023 Google LLC
# // SPDX-License-Identifier: Apache-2.0
#
{{#include examples/src/bin/board_support.rs:Example}}

• In this case the board support crate is just providing more useful names, and a bit of initialization.
• The crate may also include drivers for some on-board devices outside of the microcontroller itself.
  • microbit-v2 includes a simple driver for the LED matrix.

Run the example with:

cargo embed --bin board_support