with import { }; let sdk_src = fetchFromGitHub { fetchSubmodules = true; owner = "raspberrypi"; repo = "pico-sdk"; rev = "1.4.0"; sha256 = "sha256-i3IAaNcd0EfKNvU104a776O1poDAChlx1m+nP8iFn8E="; }; in mkShell rec { name = "pico-env"; nativeBuildInputs = [ pkg-config ]; buildInputs = [ gnumake cmake ninja python3 gcc libusb openocd gcc-arm-embedded picotool ]; PICO_SDK_PATH = sdk_src; }