My Zephyr RC file

zephyrrc.sh

# Helper dotfile for managing Zephyr SDK and Python Virtual Environment
# See https://docs.zephyrproject.org/latest/develop/getting_started/index.html
# Also available at https://bit.ly/3Xxehrw

# Variables (adjust as needed)
# curl -L 'https://bit.ly/3Xxehrw' \
#  | sed \
#    -e "s|^PREFIX=@PREFIX@|PREFIX=$PREFIX|" \
#    -e "s|^ZEPHYR_VENV_VERSION=@ZEPHYR_VENV_VERSION@|ZEPHYR_VENV_VERSION=$ZEPHYR_VENV_VERSION|" \
#    -e "s|^ZEPHYR_SDK_VERSION=@ZEPHYR_SDK_VERSION@|ZEPHYR_SDK_VERSION=$ZEPHYR_SDK_VERSION|" \
#  > ~/.zephyrrc
PREFIX=@PREFIX@
ZEPHYR_SDK_VERSION=@ZEPHYR_SDK_VERSION@
ZEPHYR_VENV_VERSION=@ZEPHYR_VENV_VERSION@

ZEPHYR_VENV="$PREFIX/venv/$ZEPHYR_VENV_VERSION"

## comment this line if using the Zephyr SDK
#export ZEPHYR_TOOLCHAIN_VARIANT=llvm

## comment these lines if using llvm
export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
export ZEPHYR_SDK_INSTALL_DIR="$PREFIX/zephyr-sdk-$ZEPHYR_SDK_VERSION"

# return arch in the format used by zephyr sdk archives
filter_arch() {
    local a="`uname -m`"

    case "$a" in
    arm64)
        echo "aarch64"
        ;;
    *)
        echo "$a"
        ;;
    esac
}

# return os in the format used by zephyr sdk archives
filter_os() {
    local os="`uname -s`"

    case "$os" in
    Darwin)
        echo "macos"
        ;;
    Linux)
        echo "linux"
        ;;
    *)
        echo "$os"
        ;;
    esac
}

ARCH="`filter_arch`"
OS="`filter_os`"

if [ "$ZEPHYR_TOOLCHAIN_VARIANT" = "zephyr" ]; then

if [ "$OS" = "linux" ]; then
if [ "$ARCH" = "x86_64" -o "$ARCH" = "aarch64" ]; then
# path for dtc, qemu-system*, openocd, net-tools, etc
PATH="$ZEPHYR_SDK_INSTALL_DIR/sysroots/$ARCH-pokysdk-$OS/usr/bin:$PATH"
fi
fi

# path for all supported Zephyr toolchains
toolchains=(
  "aarch64-zephyr-elf"
  "arc64-zephyr-elf"
  "arc-zephyr-elf"
  "arm-zephyr-eabi"
  "mips-zephyr-elf"
  "nios2-zephyr-elf"
  "riscv64-zephyr-elf"
  "sparc-zephyr-elf"
  "x86_64-zephyr-elf"
  "xtensa-espressif_esp32_zephyr-elf"
  "xtensa-espressif_esp32s2_zephyr-elf"
  "xtensa-intel_apl_adsp_zephyr-elf"
  "xtensa-intel_bdw_adsp_zephyr-elf"
  "xtensa-intel_byt_adsp_zephyr-elf"
  "xtensa-intel_s1000_zephyr-elf"
  "xtensa-nxp_imx_adsp_zephyr-elf"
  "xtensa-nxp_imx8m_adsp_zephyr-elf"
  "xtensa-sample_controller_zephyr-elf"
  )

for i in ${toolchains[@]}; do
  PATH="$ZEPHYR_SDK_INSTALL_DIR/$i/bin:$PATH"
done

export PATH
fi

# activate python virtual environment installed in the GSG
# 
. "$ZEPHYR_VENV/bin/activate"