HP HSTNS-PL30 DIY Raspberry Pi Pico Watt Meter

Build on Mac OS

1. Create an Anaconda virtual environment
   Download Anaconda for Mac(Intel)

2. Installing Dependencies
   brew install cmake dtc

3. Install West
   pip install west

4. Initialize Zephyr(Tag: v4.0.0)
   west init --mr v4.0.0 ~/zephyrproject
   cd ~/zephyrproject
   west update
   pip install -r ~/zephyrproject/zephyr/scripts/requirements.txt

5. Setting Up the Toolchain
   macOS (x86_64) hosted cross toolchains AArch32 13.2.Rel1
   export ZEPHYR_TOOLCHAIN_VARIANT=gnuarmemb
   export GNUARMEMB_TOOLCHAIN_PATH=~/zephyrproject/arm-gnu-toolchain-13.2.Rel1-darwin-x86_64-arm-none-eabi

6. Clone repo
   git clone https://github.com/darwinbeing/zpsu_mon.git ~/

7. Compile
   cd ~/zpsu_mon
   source ~/zephyrproject/zephyr/zephyr-env.sh

   Pico Display Pack
   west build -b rpi_pico -d build_lcd1 -- -DCONFIG_PICO_DISPLAY_PACK=y

   Pico Display Pack2
   west build -b rpi_pico -d build_lcd2 -- -DCONFIG_PICO_DISPLAY_PACK2=y

PICO W WIFI

The WiFi functionality on the Pico W is up and running with Zephyr. The chip ID can be read, and the WiFi firmware downloads properly. For faster transmission, the driver needs to support DMA.