{ mkShell, zephyr, cmake, ninja, gnumake, python3
, toolchains ? with zephyr.toolchains; [ arm-zephyr-eabi ] }:
let zephyr-sdk = zephyr.sdk.override { inherit toolchains; };
in mkShell {
  packages = [ cmake ninja gnumake python3 ] ++ (with python3.pkgs; [
    # requirements-base.txt
    pyelftools
    pyyaml
    pykwalify
    canopen
    packaging
    progress
    psutil
    pylink-square
    pyserial
    requests
    anytree
    intelhex
    west
  ]);

  ZEPHYR_TOOLCHAIN_VARIANT = "zephyr";
  ZEPHYR_SDK_INSTALL_DIR = "${zephyr-sdk}";
}