Adafruit Circuit Playground Express Support Crate

This crate provides a type-safe API for working with the Adafruit Circuit Playground Express board.

Prerequisites

• Install the cross compile toolchain rustup target add thumbv6m-none-eabi
• Install cargo-hf2 the hf2 bootloader flasher tool however your platform requires

Uploading an example

Check out the repository for examples:

https://github.com/atsamd-rs/atsamd/tree/master/boards/circuit_playground_express/examples

• Be in this directory cd boards/circuit_playground_express
• Put your device in bootloader mode usually by hitting the reset button twice.
• Build and upload in one step

$ cargo hf2 --release --example blinky_basic
    Finished release [optimized + debuginfo] target(s) in 0.19s
    Searching for a connected device with known vid/pid pair.
    Trying  Ok(Some("Adafruit Industries")) Ok(Some("PyBadge"))
    Flashing "/Users/User/atsamd/boards/circuit_playground_express/target/thumbv7em-none-eabihf/release/examples/blinky_basic"
    Finished in 0.079s
$