# GitHub Actions Workflow to build FreeRTOS Firmware for PineTime Smart Watch
# See https://lupyuen.github.io/pinetime-rust-mynewt/articles/cloud
# Based on https://github.com/JF002/InfiniTime/blob/master/doc/buildAndProgram.md
# and https://github.com/JF002/InfiniTime/blob/master/bootloader/README.md

# Name of this Workflow
name: Build PineTime Firmware

# When to run this Workflow...
on:

  # Run this Workflow when files are updated (Pushed) in the "master" Branch
  push:
    branches: [ master ]

  # Also run this Workflow when a Pull Request is created or updated in the "master" Branch
  pull_request:
    branches: [ master ]

# Steps to run for the Workflow
jobs:
  build:

    # Run these steps on Ubuntu
    runs-on: ubuntu-latest

    steps:

      #########################################################################################
      # Download and Cache Dependencies

      - name: Install cmake
        uses: lukka/get-cmake@v3.18.3

      - name: Check cache for Embedded Arm Toolchain arm-none-eabi-gcc
        id:   cache-toolchain
        uses: actions/cache@v2
        env:
          cache-name: cache-toolchain-9-2020-q2
        with:
          path: ${{ runner.temp }}/arm-none-eabi
          key:  ${{ runner.os }}-build-${{ env.cache-name }}
          restore-keys: ${{ runner.os }}-build-${{ env.cache-name }}

      - name: Install Embedded Arm Toolchain arm-none-eabi-gcc
        if:   steps.cache-toolchain.outputs.cache-hit != 'true'  # Install toolchain if not found in cache
        uses: fiam/arm-none-eabi-gcc@v1.0.4
        with:
          # GNU Embedded Toolchain for Arm release name, in the V-YYYY-qZ format (e.g. "9-2019-q4")
          release: 9-2020-q2
          # Directory to unpack GCC to. Defaults to a temporary directory.
          directory: ${{ runner.temp }}/arm-none-eabi

      - name: Check cache for nRF5 SDK
        id:   cache-nrf5sdk
        uses: actions/cache@v2
        env:
          cache-name: cache-nrf5sdk
        with:
          path: ${{ runner.temp }}/nrf5_sdk
          key:  ${{ runner.os }}-build-${{ env.cache-name }}
          restore-keys: ${{ runner.os }}-build-${{ env.cache-name }}

      - name: Install nRF5 SDK
        if:   steps.cache-nrf5sdk.outputs.cache-hit != 'true'  # Install SDK if not found in cache
        run:  |
          cd ${{ runner.temp }}
          curl https://developer.nordicsemi.com/nRF5_SDK/nRF5_SDK_v15.x.x/nRF5_SDK_15.3.0_59ac345.zip -o nrf5_sdk.zip
          unzip nrf5_sdk.zip
          mv nRF5_SDK_15.3.0_59ac345 nrf5_sdk

      - name: Check cache for MCUBoot
        id:   cache-mcuboot
        uses: actions/cache@v2
        env:
          cache-name: cache-mcuboot
        with:
          path: ${{ runner.temp }}/mcuboot
          key:  ${{ runner.os }}-build-${{ env.cache-name }}
          restore-keys: ${{ runner.os }}-build-${{ env.cache-name }}

      - name: Install MCUBoot
        if:   steps.cache-mcuboot.outputs.cache-hit != 'true'  # Install MCUBoot if not found in cache
        run:  |
          cd ${{ runner.temp }}
          git clone --branch v1.7.2 https://github.com/mcu-tools/mcuboot

      - name: Install imgtool dependencies
        run:  |
          pip3 install --user -r ${{ runner.temp }}/mcuboot/scripts/requirements.txt

      - name: Install adafruit-nrfutil
        run:  |
          pip3 install --user wheel
          pip3 install --user setuptools
          pip3 install --user adafruit-nrfutil

        #########################################################################################
        # Checkout

      - name: Checkout source files
        uses: actions/checkout@v2
        with:
          submodules: recursive

      - name: Show files
        run:  set ; pwd ; ls -l

      #########################################################################################
      # CMake

      - name: CMake
        run:  |
          mkdir -p build
          cd build
          cmake -DARM_NONE_EABI_TOOLCHAIN_PATH=${{ runner.temp }}/arm-none-eabi -DNRF5_SDK_PATH=${{ runner.temp }}/nrf5_sdk -DUSE_OPENOCD=1 -DBUILD_DFU=1 ../

        #########################################################################################
        # Make and Upload DFU Package
        # pinetime-mcuboot-app.img must be flashed at address 0x8000 in the internal flash memory with OpenOCD:
        # program image.bin 0x8000

        # For Debugging Builds: Remove "make" option "-j" for clearer output. Add "--trace" to see details.
        # For Faster Builds: Add "make" option "-j"

      - name: Make pinetime-mcuboot-app
        run:  |
          cd build
          make pinetime-mcuboot-app

      - name: Unzip DFU package
        run:  |
          # Unzip the package because Upload Artifact will zip up the files
          unzip build/src/pinetime-mcuboot-app-dfu*.zip -d build/src/pinetime-mcuboot-app-dfu

      - name: Upload DFU package
        uses: actions/upload-artifact@v2
        with:
          name: pinetime-mcuboot-app-dfu
          path: build/src/pinetime-mcuboot-app-dfu/*

        #########################################################################################
        # Make and Upload Standalone Firmware

      - name: Make pinetime-app
        run:  |
          cd build
          make pinetime-app

      - name: Upload standalone firmware
        uses: actions/upload-artifact@v2
        with:
          name: pinetime-app.out
          path: build/src/pinetime-app*.out

      #########################################################################################
      # Finish

      - name: Find output
        run:  |
          find . -name "pinetime-app.*" -ls
          find . -name "pinetime-mcuboot-app.*" -ls

# Embedded Arm Toolchain and nRF5 SDK will only be cached if the build succeeds.
# So make sure that the first build always succeeds, e.g. comment out the "Make" step.