ci.yml

on:
  push:
    branches: master
  pull_request:
  merge_group:

name: Continuous integration

jobs:
  ci:
    name: CI
    runs-on: ubuntu-latest
    needs: [check]
    if: always()
    steps:
      - name: Done
        run: jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'

  check:
    runs-on: ubuntu-latest
    strategy:
      matrix:                   # All permutations of {rust, mcu}
        rust:
          - 1.66.1  # MSRV
          - stable
        mcu:
          - stm32h743
          - stm32h753
          - stm32h743v
          - stm32h753v
          - stm32h747cm7
          - stm32h7b3
          - stm32h7b0
          - stm32h735
    env:                        # Peripheral Feature flags
      FLAGS: rt,xspi,sdmmc,sdmmc-fatfs,fmc,usb_hs,rtc,ethernet,ltdc,crc,rand,can,dsi,defmt

    steps:
      - uses: actions/checkout@v4
      - name: Cache cargo registry and index
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}
      - name: Cache cargo build
        uses: actions/cache@v4
        with:
          path: target
          key: ${{ runner.os }}-target-${{ matrix.rust }}-${{ hashFiles('**/Cargo.toml') }}-memory-${{ hashFiles('**/memory.x') }}
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
          targets: thumbv7em-none-eabihf
      - run: cargo build --verbose --release --examples --target thumbv7em-none-eabihf --features ${{ matrix.mcu }},${{ env.FLAGS }}
      - run: cargo test --lib --target x86_64-unknown-linux-gnu --features ${{ matrix.mcu }},${{ env.FLAGS }}