Merge pull request #2606 from hathach/build-clang

Add Clang support
2025-01-17 05:32:55 +08:00 · 2024-04-24 23:13:30 +07:00 · 2024-04-24 23:13:30 +07:00 · 313d96677f
commit 313d96677f
parent 0fb73eac7e 19f1080e38
252 changed files with 6019 additions and 1541 deletions
--- a/.github/workflows/build_aarch64.yml
+++ b/.github/workflows/build_aarch64.yml
@ -47,7 +47,7 @@ jobs:
      run: echo >> $GITHUB_ENV TOOLCHAIN_URL=https://developer.arm.com/-/media/Files/downloads/gnu-a/10.3-2021.07/binrel/gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf.tar.xz

    - name: Cache Toolchain
-      uses: actions/cache@v3
+      uses: actions/cache@v4
      id: cache-toolchain
      with:
        path: ~/cache/
--- a/.github/workflows/build_arm.yml
+++ b/.github/workflows/build_arm.yml
@ -41,7 +41,6 @@ jobs:
        - 'lpc51'
        - 'mm32 msp432e4'
        - 'samd11 same5x saml2x'
-        - 'stm32f2 stm32f3'
        - 'stm32l0 stm32wb'
        - 'tm4c123 xmc4000'
    steps:
--- a/.github/workflows/build_cmake.yml
+++ b/.github/workflows/build_cmake.yml
@ -1,4 +1,4 @@
-name: CMake ARM
+name: Build CMake

 on:
  workflow_dispatch:
@ -10,7 +10,7 @@ on:
      - 'hw/**'
      - 'test/hil/**'
      - 'tools/get_deps.py'
-      - '.github/workflows/cmake_arm.yml'
+      - '.github/workflows/build_cmake.yml'
  pull_request:
    branches: [ master ]
    paths:
@ -20,7 +20,7 @@ on:
      - 'hw/**'
      - 'test/hil/**'
      - 'tools/get_deps.py'
-      - '.github/workflows/cmake_arm.yml'
+      - '.github/workflows/build_cmake.yml'

 concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
@ -28,9 +28,9 @@ concurrency:

 jobs:
  # ---------------------------------------
-  # Build ARM family
+  # Build ARM with GCC
  # ---------------------------------------
-  build-arm:
+  arm-gcc:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
@ -49,6 +49,8 @@ jobs:
          - 'samd51'
          - 'stm32f0'
          - 'stm32f1'
+          - 'stm32f2'
+          - 'stm32f3'
          - 'stm32f4'
          - 'stm32f7'
          - 'stm32g0'
@ -66,10 +68,7 @@ jobs:
    - name: Install ARM GCC
      uses: carlosperate/arm-none-eabi-gcc-action@v1
      with:
-        release: '11.2-2022.02'
-
-    - name: Install Ninja
-      run: sudo apt install -y ninja-build
+        release: '12.3.Rel1'

    - name: Checkout TinyUSB
      uses: actions/checkout@v4
@ -83,12 +82,13 @@ jobs:
        path: pico-sdk

    - name: Get Dependencies
-      run: python3 tools/get_deps.py ${{ matrix.family }}
+      run: |
+        sudo apt install -y ninja-build
+        python3 tools/get_deps.py ${{ matrix.family }}

    - name: Build
      run: python tools/build_cmake.py ${{ matrix.family }} -DCMAKE_BUILD_TYPE=MinSizeRel
      env:
-        # for rp2040, there is no harm if defined for other families
        PICO_SDK_PATH: ${{ github.workspace }}/pico-sdk

    - name: Upload Artifacts for Hardware Testing (rp2040)
@ -115,6 +115,129 @@ jobs:
        path: |
          cmake-build/cmake-build-itsybitsy_m4/*/*/*.bin

+  # ---------------------------------------
+  # Build ARM with Clang
+  # ---------------------------------------
+  arm-clang:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        family:
+          # Alphabetical order
+          - 'imxrt'
+          - 'kinetis_k kinetis_kl'
+          - 'lpc17 lpc18 lpc40 lpc43'
+          - 'lpc54 lpc55'
+          #- 'mcx' not working with gcc anymore, need to fix this first
+          - 'nrf'
+          #- 'ra' port later
+          #- 'rp2040' port later
+          - 'samd21'
+          - 'samd51'
+          - 'stm32f0'
+          - 'stm32f1'
+          - 'stm32f2'
+          - 'stm32f3'
+          - 'stm32f4'
+          - 'stm32f7'
+          - 'stm32g0'
+          - 'stm32g4'
+          - 'stm32h5'
+          - 'stm32h7'
+          - 'stm32l4'
+          - 'stm32u5'
+    steps:
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+
+      - name: Checkout TinyUSB
+        uses: actions/checkout@v4
+
+      - name: Checkout pico-sdk for rp2040
+        if: matrix.family == 'rp2040'
+        uses: actions/checkout@v4
+        with:
+          repository: raspberrypi/pico-sdk
+          ref: develop
+          path: pico-sdk
+
+      - name: Set Toolchain URL
+        run: echo >> $GITHUB_ENV TOOLCHAIN_URL=https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/releases/download/release-17.0.1/LLVMEmbeddedToolchainForArm-17.0.1-Linux-x86_64.tar.xz
+
+      - name: Cache Toolchain
+        uses: actions/cache@v4
+        id: cache-toolchain
+        with:
+          path: ~/cache/
+          key: ${{ runner.os }}-24-04-17-${{ env.TOOLCHAIN_URL }}
+
+      - name: Install Toolchain
+        if: steps.cache-toolchain.outputs.cache-hit != 'true'
+        run: |
+          mkdir -p ~/cache/toolchain
+          wget --progress=dot:mega $TOOLCHAIN_URL -O toolchain.tar.xz
+          tar -C ~/cache/toolchain -xaf toolchain.tar.xz
+
+      - name: Prepare to build
+        run: |
+          echo >> $GITHUB_PATH `echo ~/cache/toolchain/*/bin`
+          sudo apt install -y ninja-build
+          python3 tools/get_deps.py ${{ matrix.family }}
+
+      - name: Build
+        run: python tools/build_cmake.py ${{ matrix.family }} -DTOOLCHAIN=clang -DCMAKE_BUILD_TYPE=MinSizeRel
+        env:
+          PICO_SDK_PATH: ${{ github.workspace }}/pico-sdk
+
+  # ---------------------------------------
+  # Build MSP430 with GCC
+  # ---------------------------------------
+  msp430-gcc:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        family:
+          # Alphabetical order
+          - 'msp430'
+    steps:
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+
+      - name: Checkout TinyUSB
+        uses: actions/checkout@v4
+
+      - name: Set Toolchain URL
+        run: echo >> $GITHUB_ENV TOOLCHAIN_URL=http://software-dl.ti.com/msp430/msp430_public_sw/mcu/msp430/MSPGCC/9_2_0_0/export/msp430-gcc-9.2.0.50_linux64.tar.bz2
+
+      - name: Cache Toolchain
+        uses: actions/cache@v4
+        id: cache-toolchain
+        with:
+          path: ~/cache/
+          key: ${{ runner.os }}-24-04-17-${{ env.TOOLCHAIN_URL }}
+
+      - name: Install Toolchain
+        if: steps.cache-toolchain.outputs.cache-hit != 'true'
+        run: |
+          mkdir -p ~/cache/toolchain
+          wget --progress=dot:mega $TOOLCHAIN_URL -O toolchain.tar.bz2
+          tar -C ~/cache/toolchain -xaf toolchain.tar.bz2
+
+      - name: Prepare to build
+        run: |
+          echo >> $GITHUB_PATH `echo ~/cache/toolchain/*/bin`
+          sudo apt install -y ninja-build
+          python3 tools/get_deps.py ${{ matrix.family }}
+
+      - name: Build
+        run: python tools/build_cmake.py ${{ matrix.family }} -DCMAKE_BUILD_TYPE=MinSizeRel
+
  # ---------------------------------------
  # Hardware in the loop (HIL)
  # Current self-hosted instance is running on an RPI4. For attached hardware checkout hil_pi4.json
@ -122,7 +245,7 @@ jobs:
  hil-test:
    # run only with hathach's commit due to limited resource on RPI4
    if: github.repository_owner == 'hathach'
-    needs: build-arm
+    needs: arm-gcc
    runs-on: [self-hosted, rp2040, nrf52840, hardware-in-the-loop]
    strategy:
      fail-fast: false
--- a/.github/workflows/build_esp.yml
+++ b/.github/workflows/build_esp.yml
@ -34,7 +34,7 @@ jobs:
        # ESP32-S2
        - 'espressif_kaluga_1'
        # ESP32-S3
-        - 'espressif_s3_devkitc'
+        - 'espressif_s3_devkitm'
    steps:
    - name: Setup Python
      uses: actions/setup-python@v5
@ -51,7 +51,7 @@ jobs:
      run: docker run --rm -v $PWD:/project -w /project espressif/idf:v5.1.1 python3 tools/build_esp32.py ${{ matrix.board }}

    - name: Upload Artifacts for Hardware Testing
-      if: matrix.board == 'espressif_s3_devkitc' && github.repository_owner == 'hathach'
+      if: matrix.board == 'espressif_s3_devkitm' && github.repository_owner == 'hathach'
      uses: actions/upload-artifact@v4
      with:
        name: ${{ matrix.board }}
@ -75,7 +75,7 @@ jobs:
      fail-fast: false
      matrix:
        board:
-          - 'espressif_s3_devkitc'
+          - 'espressif_s3_devkitm'
    steps:
      - name: Clean workspace
        run: |
--- a/.github/workflows/build_msp430.yml
+++ b/.github/workflows/build_msp430.yml
@ -1,71 +0,0 @@
-name: Build MSP430
-
-on:
-  workflow_dispatch:
-  push:
-    paths:
-      - 'src/**'
-      - 'examples/**'
-      - 'lib/**'
-      - 'hw/**'
-      - 'tools/get_deps.py'
-      - '.github/workflows/build_msp430.yml'
-  pull_request:
-    branches: [ master ]
-    paths:
-      - 'src/**'
-      - 'examples/**'
-      - 'lib/**'
-      - 'hw/**'
-      - 'tools/get_deps.py'
-      - '.github/workflows/build_msp430.yml'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
-  cancel-in-progress: true
-
-jobs:
-  build-msp430:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        family:
-        # Alphabetical order
-        - 'msp430'
-
-    steps:
-    - name: Setup Python
-      uses: actions/setup-python@v5
-      with:
-        python-version: '3.x'
-
-    - name: Checkout TinyUSB
-      uses: actions/checkout@v4
-
-    - name: Set Toolchain URL
-      run: echo >> $GITHUB_ENV TOOLCHAIN_URL=http://software-dl.ti.com/msp430/msp430_public_sw/mcu/msp430/MSPGCC/9_2_0_0/export/msp430-gcc-9.2.0.50_linux64.tar.bz2
-
-    - name: Cache Toolchain
-      uses: actions/cache@v3
-      id: cache-toolchain
-      with:
-        path: ~/cache/
-        key: ${{ runner.os }}-21-03-04-${{ env.TOOLCHAIN_URL }}
-
-    - name: Install Toolchain
-      if: steps.cache-toolchain.outputs.cache-hit != 'true'
-      run: |
-        mkdir -p ~/cache/toolchain
-        wget --progress=dot:mega $TOOLCHAIN_URL -O toolchain.tar.bz2
-        tar -C ~/cache/toolchain -xaf toolchain.tar.bz2
-
-    - name: Set Toolchain Path
-      run: |
-        echo >> $GITHUB_PATH `echo ~/cache/toolchain/*/bin`
-        sudo apt install -y ninja-build
-
-    - name: Build
-      run: |
-        python3 tools/get_deps.py ${{ matrix.family }}
-        python tools/build_cmake.py ${{ matrix.family }} -DCMAKE_BUILD_TYPE=MinSizeRel
--- a/.github/workflows/build_renesas.yml
+++ b/.github/workflows/build_renesas.yml
@ -46,7 +46,7 @@ jobs:
      run: echo >> $GITHUB_ENV TOOLCHAIN_URL=http://gcc-renesas.com/downloads/get.php?f=rx/8.3.0.202004-gnurx/gcc-8.3.0.202004-GNURX-ELF.run

    - name: Cache Toolchain
-      uses: actions/cache@v3
+      uses: actions/cache@v4
      id: cache-toolchain
      with:
        path: ~/cache/
--- a/.github/workflows/build_riscv.yml
+++ b/.github/workflows/build_riscv.yml
@ -48,7 +48,7 @@ jobs:
      run: echo >> $GITHUB_ENV TOOLCHAIN_URL=https://github.com/xpack-dev-tools/riscv-none-embed-gcc-xpack/releases/download/v10.1.0-1.1/xpack-riscv-none-embed-gcc-10.1.0-1.1-linux-x64.tar.gz

    - name: Cache Toolchain
-      uses: actions/cache@v3
+      uses: actions/cache@v4
      id: cache-toolchain
      with:
        path: ~/cache/
--- a/.idea/cmake.xml
+++ b/.idea/cmake.xml
@ -3,8 +3,8 @@
  <component name="CMakeSharedSettings">
    <configurations>
      <configuration PROFILE_NAME="pico" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=raspberry_pi_pico -DLOG=1" />
-      <configuration PROFILE_NAME="feather_rp2040" ENABLED="false" CONFIG_NAME="Debug" TOOLCHAIN_NAME="armgcc 11.2" GENERATION_OPTIONS="-DBOARD=pico_sdk -DPICO_BOARD=adafruit_feather_rp2040 -DLOG=2" />
-      <configuration PROFILE_NAME="feather_rp2040_max3421" ENABLED="false" CONFIG_NAME="Debug" TOOLCHAIN_NAME="armgcc 11.2" GENERATION_OPTIONS="-DBOARD=feather_rp2040_max3421 -DLOG=2" />
+      <configuration PROFILE_NAME="feather_rp2040" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=pico_sdk -DPICO_BOARD=adafruit_feather_rp2040 -DLOG=2" />
+      <configuration PROFILE_NAME="feather_rp2040_max3421" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=feather_rp2040_max3421 -DLOG=2" />
      <configuration PROFILE_NAME="metro_rp2040" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=pico_sdk -DPICO_BOARD=adafruit_metro_rp2040 -DLOG=2 -DMAX3421_HOST=1" />
      <configuration PROFILE_NAME="feather esp32s2" ENABLED="false" TOOLCHAIN_NAME="ESP-IDF" GENERATION_OPTIONS="-DBOARD=adafruit_feather_esp32s2 -DMAX3421_HOST=1 -DLOG=2">
        <ADDITIONAL_GENERATION_ENVIRONMENT>
@ -42,10 +42,10 @@
        </ADDITIONAL_GENERATION_ENVIRONMENT>
      </configuration>
      <configuration PROFILE_NAME="feather_m0_express" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=feather_m0_express -DLOG=3 -DLOGGER=RTT -DMAX3421_HOST=1" />
-      <configuration PROFILE_NAME="metro_m0_express" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=metro_m0_express -DLOG=3 -DLOGGER=RTT -DMAX3421_HOST=1" />
-      <configuration PROFILE_NAME="feather_m4_express" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=feather_m4_express -DLOG=3 -DLOGGER=RTT -DMAX3421_HOST=1" />
+      <configuration PROFILE_NAME="metro_m0_express" ENABLED="true" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=metro_m0_express -DLOG=3 -DLOGGER=RTT -DMAX3421_HOST=1" />
+      <configuration PROFILE_NAME="feather_m4_express" ENABLED="true" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=feather_m4_express -DLOG=3 -DLOGGER=RTT -DMAX3421_HOST=1" />
      <configuration PROFILE_NAME="metro_m4_express" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=metro_m4_express -DLOG=3 -DLOGGER=RTT -DMAX3421_HOST=1" />
-      <configuration PROFILE_NAME="feather_nrf52840_express" ENABLED="false" CONFIG_NAME="Debug" TOOLCHAIN_NAME="armgcc 11.2" GENERATION_OPTIONS="-DBOARD=feather_nrf52840_express -DLOG=3 -DLOGGER=RTT -DMAX3421_HOST=1" />
+      <configuration PROFILE_NAME="feather_nrf52840_express" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=feather_nrf52840_express -DLOG=3 -DLOGGER=RTT -DMAX3421_HOST=1" />
      <configuration PROFILE_NAME="pca10056" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=pca10056 -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
      <configuration PROFILE_NAME="pca10095" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=pca10095 -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
      <configuration PROFILE_NAME="metro m7 1011 sd" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=metro_m7_1011_sd -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
@ -53,11 +53,13 @@
      <configuration PROFILE_NAME="rt1010 evk" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=mimxrt1010_evk -DLOG=3 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="rt1060 evk" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=mimxrt1060_evk -DLOG=3 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="rt1170 evkb" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=mimxrt1170_evkb -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
+      <configuration PROFILE_NAME="lpcxpresso1769" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=lpcxpresso1769 -DLOG=3 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="mcb1800" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=mcb1800 -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
      <configuration PROFILE_NAME="ea4088 quickstart" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ea4088_quickstart -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
      <configuration PROFILE_NAME="ea4357" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ea4357 -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
-      <configuration PROFILE_NAME="lpc54628" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=lpcxpresso54628 -DLOG=4 -DLOGGER=RTT" />
-      <configuration PROFILE_NAME="lpc55s69" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=lpcxpresso55s69 -DLOG=4 -DLOGGER=RTT" />
+      <configuration PROFILE_NAME="lpc5414" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=lpcxpresso54114 -DLOG=1 -DLOGGER=RTT" />
+      <configuration PROFILE_NAME="lpc54628" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=lpcxpresso54628 -DLOG=3 -DLOGGER=RTT" />
+      <configuration PROFILE_NAME="lpc55s69" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=lpcxpresso55s69 -DLOG=3 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="mcxn947brk" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=mcxn947brk -DLOG=3 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="frdm_mcxa153" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=frdm_mcxa153 -DLOG=3 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="frdm_kl25z" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=frdm_kl25z -DLOG=3 -DLOGGER=RTT" />
@ -65,17 +67,19 @@
      <configuration PROFILE_NAME="frdm_k64f" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=frdm_k64f -DLOG=2 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="stm32f072disco" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32f072disco" />
      <configuration PROFILE_NAME="stm32f103_mini_2" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32f103_mini_2" />
+      <configuration PROFILE_NAME="stm32f207nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32f207nucleo -DLOG=2 -DLOGGER=RTT" />
+      <configuration PROFILE_NAME="stm32f303disco" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32f303disco -DLOG=2 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="stm32f411disco" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32f411disco -DLOG=2 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="stm32f769disco" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32f769disco -DLOG=3 -DLOGGER=RTT" />
-      <configuration PROFILE_NAME="stm32h563nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32h563nucleo -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
-      <configuration PROFILE_NAME="stm32h743eval" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32h743eval -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
-      <configuration PROFILE_NAME="stm32h743nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32h743nucleo -DLOG=3" />
-      <configuration PROFILE_NAME="stm32l476disco" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32l476disco" />
      <configuration PROFILE_NAME="stm32g0b1nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32g0b1nucleo" />
      <configuration PROFILE_NAME="stm32g474nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32g474nucleo" />
      <configuration PROFILE_NAME="b_g474e_dpow1" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=b_g474e_dpow1 -DLOG=3 -DLOGGER=RTT" />
-      <configuration PROFILE_NAME="b_g474e_dpow1 iar" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=b_g474e_dpow1 -DTOOLCHAIN=iar" />
-      <configuration PROFILE_NAME="stm32u575nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32u575nucleo -DLOG=3" />
+      <configuration PROFILE_NAME="stm32h563nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32h563nucleo -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
+      <configuration PROFILE_NAME="stm32h743eval" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32h743eval -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
+      <configuration PROFILE_NAME="stm32h743nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32h743nucleo -DLOG=3" />
+      <configuration PROFILE_NAME="stm32l0538disco" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32l0538disco" />
+      <configuration PROFILE_NAME="stm32l476disco" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32l476disco" />
+      <configuration PROFILE_NAME="stm32u575nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32u575nucleo -DLOG=2 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="stm32u5a5nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32u5a5nucleo -DLOG=3 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="ra2a1" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra2a1_ek -DLOG=3 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="ra4m1" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra4m1_ek -DLOG=3 -DLOGGER=RTT" />
@ -84,7 +88,6 @@
      <configuration PROFILE_NAME="ra6m5 PORT0" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra6m5_ek -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1 -DPORT=0" />
      <configuration PROFILE_NAME="uno_r4" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=uno_r4 -DLOG=4 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="portenta_c33" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=portenta_c33 -DLOG=3" />
-      <configuration PROFILE_NAME="lpcxpresso1769" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=lpcxpresso1769 -DLOG=3 -DLOGGER=RTT" />
      <configuration PROFILE_NAME="msp430f5529" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=msp_exp430f5529lp" />
    </configurations>
  </component>
--- a/.idea/runConfigurations/kl25.xml
+++ b/.idea/runConfigurations/kl25.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="kl25" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-device &quot;MKL25Z128xxx4&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="kl25" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="nxp" PROGRAM_PARAMS="-device &quot;MKL25Z128xxx4&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m0_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/lpc1857.xml
+++ b/.idea/runConfigurations/lpc1857.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="lpc1857" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="lpc" PROGRAM_PARAMS="-device &quot;lpc1857&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="lpc1857" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="nxp" PROGRAM_PARAMS="-device &quot;lpc1857&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/lpc4088.xml
+++ b/.idea/runConfigurations/lpc4088.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="lpc4088" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="lpc" PROGRAM_PARAMS="-device &quot;lpc4088&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="lpc4088" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="nxp" PROGRAM_PARAMS="-device &quot;lpc4088&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/lpc54628.xml
+++ b/.idea/runConfigurations/lpc54628.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="lpc54628" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="lpc" PROGRAM_PARAMS="-device &quot;LPC54628J512&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="lpc54628" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="nxp" PROGRAM_PARAMS="-device &quot;LPC54628J512&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/lpc55s69.xml
+++ b/.idea/runConfigurations/lpc55s69.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="lpc55s69" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="lpc" PROGRAM_PARAMS="-device &quot;lpc55s69&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="lpc55s69" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="nxp" PROGRAM_PARAMS="-device &quot;lpc55s69&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/mcx947.xml
+++ b/.idea/runConfigurations/mcx947.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="mcx947" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-device &quot;MCXN947_M33_0&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $ProjectFileDir$/hw/bsp/mcx/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="mcx947" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="nxp" PROGRAM_PARAMS="-device &quot;MCXN947_M33_0&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $ProjectFileDir$/hw/bsp/mcx/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/nrf52840.xml
+++ b/.idea/runConfigurations/nrf52840.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="nrf52840" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-select usb=752001685 -device &quot;nrf52840_xxaa&quot; -if swd -speed 8000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="nrf52840" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="nrf" PROGRAM_PARAMS="-select usb=752001685 -device &quot;nrf52840_xxaa&quot; -if swd -speed 8000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/nrf5340.xml
+++ b/.idea/runConfigurations/nrf5340.xml
@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="nrf5340" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-select usb=752001685 -device &quot;nrf5340_xxaa_app&quot; -if swd -speed 16000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+  <configuration default="false" name="nrf5340" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="nrf" PROGRAM_PARAMS="-select usb=752001685 -device &quot;nrf5340_xxaa_app&quot; -if swd -speed 16000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
--- a/.idea/runConfigurations/ra4m1.xml
+++ b/.idea/runConfigurations/ra4m1.xml
@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="ra4m1" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="renesas" PROGRAM_PARAMS="-device &quot;R7FA4M1AB&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+  <configuration default="false" name="ra4m1" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="renesas" PROGRAM_PARAMS="-device &quot;R7FA4M1AB&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
--- a/.idea/runConfigurations/ra6m1.xml
+++ b/.idea/runConfigurations/ra6m1.xml
@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="ra6m1" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="renesas" PROGRAM_PARAMS="-device &quot;R7FA6M1AD&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+  <configuration default="false" name="ra6m1" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="renesas" PROGRAM_PARAMS="-device &quot;R7FA6M1AD&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
--- a/.idea/runConfigurations/ra6m5.xml
+++ b/.idea/runConfigurations/ra6m5.xml
@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="ra6m5" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="renesas" PROGRAM_PARAMS="-device &quot;R7FA6M5BH&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+  <configuration default="false" name="ra6m5" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="renesas" PROGRAM_PARAMS="-device &quot;R7FA6M5BH&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
--- a/.idea/runConfigurations/rp2040.xml
+++ b/.idea/runConfigurations/rp2040.xml
@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="rp2040" type="com.jetbrains.cidr.embedded.openocd.conf.type" factoryName="com.jetbrains.cidr.embedded.openocd.conf.factory" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="rp2040" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+  <configuration default="false" name="rp2040" type="com.jetbrains.cidr.embedded.openocd.conf.type" factoryName="com.jetbrains.cidr.embedded.openocd.conf.factory" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
    <openocd version="1" gdb-port="3333" telnet-port="4444" board-config="$PROJECT_DIR$/hw/bsp/rp2040/rp2040-openocd.cfg" reset-type="INIT" download-type="UPDATED_ONLY">
      <debugger kind="GDB" isBundled="true" />
    </openocd>
--- a/.idea/runConfigurations/rt1010.xml
+++ b/.idea/runConfigurations/rt1010.xml
@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="rt1010" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="imxrt" PROGRAM_PARAMS="-device &quot;MIMXRT1011xxx5A&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $ProjectFileDir$/hw/bsp/imxrt/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+  <configuration default="false" name="rt1010" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="nxp" PROGRAM_PARAMS="-device &quot;MIMXRT1011xxx5A&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $ProjectFileDir$/hw/bsp/imxrt/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
--- a/.idea/runConfigurations/rt1060.xml
+++ b/.idea/runConfigurations/rt1060.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="rt1060" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="imxrt" PROGRAM_PARAMS="-device &quot;MIMXRT1062xxx5A&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="rt1060" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="nxp" PROGRAM_PARAMS="-device &quot;MIMXRT1062xxx5A&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/samd21g18.xml
+++ b/.idea/runConfigurations/samd21g18.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="samd21g18" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-device &quot;ATSAMD21G18&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="samd21g18" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="microchip" PROGRAM_PARAMS="-device &quot;ATSAMD21G18&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m0_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/samd51j19.xml
+++ b/.idea/runConfigurations/samd51j19.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="samd51j19" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-device &quot;ATSAMD51J19A&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="samd51j19" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="microchip" PROGRAM_PARAMS="-device &quot;ATSAMD51J19A&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/stlink.xml
+++ b/.idea/runConfigurations/stlink.xml
@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="stlink" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="stm32" PROGRAM_PARAMS="-p 10458 -cp &quot;/opt/st/stm32cubeide_1.14.0/plugins/com.st.stm32cube.ide.mcu.externaltools.cubeprogrammer.linux64_2.1.100.202311100844/tools/bin&quot; --frequency 8000 --swd" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_device_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="stm32h563nucleo" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_device_examples" RUN_TARGET_NAME="cdc_msc">
+  <configuration default="false" name="stlink" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="stm32" PROGRAM_PARAMS="-p 10458 -cp &quot;/opt/st/stm32cubeide_1.14.0/plugins/com.st.stm32cube.ide.mcu.externaltools.cubeprogrammer.linux64_2.1.100.202311100844/tools/bin&quot; --frequency 8000 --swd" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
    <custom-gdb-server version="1" gdb-connect="tcp::10458" executable="/opt/st/stm32cubeide_1.14.0/plugins/com.st.stm32cube.ide.mcu.externaltools.stlink-gdb-server.linux64_2.1.100.202310302101/tools/bin/ST-LINK_gdbserver" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
--- a/.idea/runConfigurations/stm32g474.xml
+++ b/.idea/runConfigurations/stm32g474.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="stm32g474" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="stm32" PROGRAM_PARAMS="-device &quot;stm32g474re&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="stm32g474" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="stm32" PROGRAM_PARAMS="-device &quot;stm32g474re&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/stm32h743.xml
+++ b/.idea/runConfigurations/stm32h743.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="stm32h743" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="stm32" PROGRAM_PARAMS="-device &quot;stm32h743xi&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc_freertos" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc_freertos">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="stm32h743" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="stm32" PROGRAM_PARAMS="-device &quot;stm32h743xi&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/.idea/runConfigurations/uno_r4.xml
+++ b/.idea/runConfigurations/uno_r4.xml
@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="uno_r4" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="renesas" PROGRAM_PARAMS="-device &quot;R7FA4M1AB&quot; -if swd -speed 20000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro m7 1011 sd" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
-    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+  <configuration default="false" name="uno_r4" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" folderName="renesas" PROGRAM_PARAMS="-device &quot;R7FA4M1AB&quot; -if swd -speed 20000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc" CONFIG_NAME="metro_m4_express" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
      <debugger kind="GDB" isBundled="true" />
    </custom-gdb-server>
    <method v="2">
--- a/examples/build_system/cmake/cpu/cortex-m0.cmake
+++ b/examples/build_system/cmake/cpu/cortex-m0.cmake
@ -4,14 +4,19 @@ if (TOOLCHAIN STREQUAL "gcc")
    -mcpu=cortex-m0plus
    -mfloat-abi=soft
    )
+  set(FREERTOS_PORT GCC_ARM_CM0 CACHE INTERNAL "")

+elseif (TOOLCHAIN STREQUAL "clang")
+  set(TOOLCHAIN_COMMON_FLAGS
+    --target=arm-none-eabi
+    -mcpu=cortex-m0
+    )
  set(FREERTOS_PORT GCC_ARM_CM0 CACHE INTERNAL "")

 elseif (TOOLCHAIN STREQUAL "iar")
  set(TOOLCHAIN_COMMON_FLAGS
    --cpu cortex-m0
    )
-
  set(FREERTOS_PORT IAR_ARM_CM0 CACHE INTERNAL "")

 endif ()
--- a/examples/build_system/cmake/cpu/cortex-m0plus.cmake
+++ b/examples/build_system/cmake/cpu/cortex-m0plus.cmake
@ -4,14 +4,19 @@ if (TOOLCHAIN STREQUAL "gcc")
    -mcpu=cortex-m0plus
    -mfloat-abi=soft
    )
+  set(FREERTOS_PORT GCC_ARM_CM0 CACHE INTERNAL "")

+elseif (TOOLCHAIN STREQUAL "clang")
+  set(TOOLCHAIN_COMMON_FLAGS
+    --target=arm-none-eabi
+    -mcpu=cortex-m0plus
+    )
  set(FREERTOS_PORT GCC_ARM_CM0 CACHE INTERNAL "")

 elseif (TOOLCHAIN STREQUAL "iar")
  set(TOOLCHAIN_COMMON_FLAGS
    --cpu cortex-m0
    )
-
  set(FREERTOS_PORT IAR_ARM_CM0 CACHE INTERNAL "")

 endif ()
--- a/examples/build_system/cmake/cpu/cortex-m23.cmake
+++ b/examples/build_system/cmake/cpu/cortex-m23.cmake
@ -4,14 +4,19 @@ if (TOOLCHAIN STREQUAL "gcc")
    -mcpu=cortex-m23
    -mfloat-abi=soft
    )
+  set(FREERTOS_PORT GCC_ARM_CM23_NTZ_NONSECURE CACHE INTERNAL "")

+elseif (TOOLCHAIN STREQUAL "clang")
+  set(TOOLCHAIN_COMMON_FLAGS
+    --target=arm-none-eabi
+    -mcpu=cortex-m23
+    )
  set(FREERTOS_PORT GCC_ARM_CM23_NTZ_NONSECURE CACHE INTERNAL "")

 elseif (TOOLCHAIN STREQUAL "iar")
  set(TOOLCHAIN_COMMON_FLAGS
    --cpu cortex-m23
    )
-
  set(FREERTOS_PORT IAR_ARM_CM23_NTZ_NONSECURE CACHE INTERNAL "")

 endif ()
--- a/examples/build_system/cmake/cpu/cortex-m3.cmake
+++ b/examples/build_system/cmake/cpu/cortex-m3.cmake
@ -3,14 +3,19 @@ if (TOOLCHAIN STREQUAL "gcc")
    -mthumb
    -mcpu=cortex-m3
    )
+  set(FREERTOS_PORT GCC_ARM_CM3 CACHE INTERNAL "")

+elseif (TOOLCHAIN STREQUAL "clang")
+  set(TOOLCHAIN_COMMON_FLAGS
+    --target=arm-none-eabi
+    -mcpu=cortex-m3
+    )
  set(FREERTOS_PORT GCC_ARM_CM3 CACHE INTERNAL "")

 elseif (TOOLCHAIN STREQUAL "iar")
  set(TOOLCHAIN_COMMON_FLAGS
    --cpu cortex-m3
    )
-
  set(FREERTOS_PORT IAR_ARM_CM3 CACHE INTERNAL "")

 endif ()
--- a/examples/build_system/cmake/cpu/cortex-m33-nodsp-nofp.cmake
+++ b/examples/build_system/cmake/cpu/cortex-m33-nodsp-nofp.cmake
@ -4,14 +4,15 @@ if (TOOLCHAIN STREQUAL "gcc")
    -mcpu=cortex-m33+nodsp
    -mfloat-abi=soft
    )
-
  set(FREERTOS_PORT GCC_ARM_CM33_NTZ_NONSECURE CACHE INTERNAL "")

+elseif (TOOLCHAIN STREQUAL "clang")
+  message(FATAL_ERROR "Clang is not supported for this target")
+
 elseif (TOOLCHAIN STREQUAL "iar")
  set(TOOLCHAIN_COMMON_FLAGS
    --cpu cortex-m33+nodsp
    )
-
  set(FREERTOS_PORT IAR_ARM_CM33_NTZ_NONSECURE CACHE INTERNAL "")

 endif ()
--- a/examples/build_system/cmake/cpu/cortex-m33.cmake
+++ b/examples/build_system/cmake/cpu/cortex-m33.cmake
@ -5,7 +5,14 @@ if (TOOLCHAIN STREQUAL "gcc")
    -mfloat-abi=hard
    -mfpu=fpv5-sp-d16
    )
+  set(FREERTOS_PORT GCC_ARM_CM33_NTZ_NONSECURE CACHE INTERNAL "")

+elseif (TOOLCHAIN STREQUAL "clang")
+  set(TOOLCHAIN_COMMON_FLAGS
+    --target=arm-none-eabi
+    -mcpu=cortex-m33
+    -mfpu=fpv5-sp-d16
+    )
  set(FREERTOS_PORT GCC_ARM_CM33_NTZ_NONSECURE CACHE INTERNAL "")

 elseif (TOOLCHAIN STREQUAL "iar")
@ -13,7 +20,6 @@ elseif (TOOLCHAIN STREQUAL "iar")
    --cpu cortex-m33
    --fpu VFPv5-SP
    )
-
  set(FREERTOS_PORT IAR_ARM_CM33_NTZ_NONSECURE CACHE INTERNAL "")

 endif ()
--- a/examples/build_system/cmake/cpu/cortex-m4.cmake
+++ b/examples/build_system/cmake/cpu/cortex-m4.cmake
@ -5,7 +5,16 @@ if (TOOLCHAIN STREQUAL "gcc")
    -mfloat-abi=hard
    -mfpu=fpv4-sp-d16
    )
+  if (NOT DEFINED FREERTOS_PORT)
+    set(FREERTOS_PORT GCC_ARM_CM4F CACHE INTERNAL "")
+  endif ()

+elseif (TOOLCHAIN STREQUAL "clang")
+  set(TOOLCHAIN_COMMON_FLAGS
+    --target=arm-none-eabi
+    -mcpu=cortex-m4
+    -mfpu=fpv4-sp-d16
+    )
  if (NOT DEFINED FREERTOS_PORT)
    set(FREERTOS_PORT GCC_ARM_CM4F CACHE INTERNAL "")
  endif ()
--- a/examples/build_system/cmake/cpu/cortex-m7.cmake
+++ b/examples/build_system/cmake/cpu/cortex-m7.cmake
@ -5,7 +5,14 @@ if (TOOLCHAIN STREQUAL "gcc")
    -mfloat-abi=hard
    -mfpu=fpv5-d16
    )
+  set(FREERTOS_PORT GCC_ARM_CM7 CACHE INTERNAL "")

+elseif (TOOLCHAIN STREQUAL "clang")
+  set(TOOLCHAIN_COMMON_FLAGS
+    --target=arm-none-eabi
+    -mcpu=cortex-m7
+    -mfpu=fpv5-d16
+    )
  set(FREERTOS_PORT GCC_ARM_CM7 CACHE INTERNAL "")

 elseif (TOOLCHAIN STREQUAL "iar")
@ -13,7 +20,6 @@ elseif (TOOLCHAIN STREQUAL "iar")
    --cpu cortex-m7
    --fpu VFPv5_D16
    )
-
  set(FREERTOS_PORT IAR_ARM_CM7 CACHE INTERNAL "")

 endif ()
--- a/examples/build_system/cmake/cpu/msp430.cmake
+++ b/examples/build_system/cmake/cpu/msp430.cmake
@ -1,6 +1,9 @@
 if (TOOLCHAIN STREQUAL "gcc")
  set(FREERTOS_PORT GCC_MSP430F449 CACHE INTERNAL "")

+elseif (TOOLCHAIN STREQUAL "clang")
+  message(FATAL_ERROR "Clang is not supported for this target")
+
 elseif (TOOLCHAIN STREQUAL "iar")
  set(FREERTOS_PORT IAR_MSP430 CACHE INTERNAL "")

--- a/examples/build_system/cmake/toolchain/arm_clang.cmake
+++ b/examples/build_system/cmake/toolchain/arm_clang.cmake
@ -0,0 +1,21 @@
+if (NOT DEFINED CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER "clang")
+endif ()
+
+if (NOT DEFINED CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER "clang++")
+endif ()
+
+set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
+set(CMAKE_SIZE "llvm-size" CACHE FILEPATH "")
+set(CMAKE_OBJCOPY "llvm-objcopy" CACHE FILEPATH "")
+set(CMAKE_OBJDUMP "llvm-objdump" CACHE FILEPATH "")
+
+include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
+
+get_property(IS_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
+if (IS_IN_TRY_COMPILE)
+  set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -nostdlib")
+  set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -nostdlib")
+  cmake_print_variables(CMAKE_C_LINK_FLAGS)
+endif ()
--- a/examples/build_system/cmake/toolchain/arm_gcc.cmake
+++ b/examples/build_system/cmake/toolchain/arm_gcc.cmake
@ -1,5 +1,3 @@
-set(CMAKE_SYSTEM_NAME Generic)
-
 if (NOT DEFINED CMAKE_C_COMPILER)
  set(CMAKE_C_COMPILER "arm-none-eabi-gcc")
 endif ()
@ -9,44 +7,15 @@ if (NOT DEFINED CMAKE_CXX_COMPILER)
 endif ()

 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
-
 set(CMAKE_SIZE "arm-none-eabi-size" CACHE FILEPATH "")
 set(CMAKE_OBJCOPY "arm-none-eabi-objcopy" CACHE FILEPATH "")
 set(CMAKE_OBJDUMP "arm-none-eabi-objdump" CACHE FILEPATH "")

-set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)
+include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)

-# Look for includes and libraries only in the target system prefix.
-set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
-
-# pass TOOLCHAIN_CPU to
-set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_SYSTEM_PROCESSOR)
-
-include(${CMAKE_CURRENT_LIST_DIR}/../cpu/${CMAKE_SYSTEM_PROCESSOR}.cmake)
-
-# enable all possible warnings for building examples
-list(APPEND TOOLCHAIN_COMMON_FLAGS
-  -fdata-sections
-  -ffunction-sections
-  -fsingle-precision-constant
-  -fno-strict-aliasing
-  )
-
-list(APPEND TOOLCHAIN_EXE_LINKER_FLAGS
-  -Wl,--print-memory-usage
-  -Wl,--gc-sections
-  -Wl,--cref
-  )
-
-include(${CMAKE_CURRENT_LIST_DIR}/set_flags.cmake)
-
-# try_compile is cmake test compiling its own example,
-# pass -nostdlib to skip stdlib linking
 get_property(IS_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
 if (IS_IN_TRY_COMPILE)
  set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -nostdlib")
  set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -nostdlib")
+  cmake_print_variables(CMAKE_C_LINK_FLAGS)
 endif ()
--- a/examples/build_system/cmake/toolchain/arm_iar.cmake
+++ b/examples/build_system/cmake/toolchain/arm_iar.cmake
@ -1,32 +1,17 @@
-set(CMAKE_SYSTEM_NAME Generic)
+if (NOT DEFINED CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER "iccarm")
+endif()

-set(CMAKE_C_COMPILER "iccarm")
-set(CMAKE_CXX_COMPILER "iccarm")
-set(CMAKE_ASM_COMPILER "iasmarm")
+if (NOT DEFINED CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER "iccarm")
+endif()
+
+if (NOT DEFINED CMAKE_ASM_COMPILER)
+  set(CMAKE_ASM_COMPILER "iasmarm")
+endif()

 set(CMAKE_SIZE "size" CACHE FILEPATH "")
 set(CMAKE_OBJCOPY "ielftool" CACHE FILEPATH "")
 set(CMAKE_OBJDUMP "iefdumparm" CACHE FILEPATH "")

-set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)
-
-# Look for includes and libraries only in the target system prefix.
-set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
-
-# pass TOOLCHAIN_CPU to
-set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_SYSTEM_PROCESSOR)
-
-include(${CMAKE_CURRENT_LIST_DIR}/../cpu/${CMAKE_SYSTEM_PROCESSOR}.cmake)
-
-# enable all possible warnings for building examples
-list(APPEND TOOLCHAIN_COMMON_FLAGS
-  )
-
-list(APPEND TOOLCHAIN_EXE_LINKER_FLAGS
-  --diag_suppress=Li065
-  )
-
-include(${CMAKE_CURRENT_LIST_DIR}/set_flags.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
--- a/examples/build_system/cmake/toolchain/common.cmake
+++ b/examples/build_system/cmake/toolchain/common.cmake
@ -0,0 +1,64 @@
+include(CMakePrintHelpers)
+
+# ----------------------------------------------------------------------------
+# Common
+# ----------------------------------------------------------------------------
+set(CMAKE_SYSTEM_NAME Generic)
+set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)
+
+# Look for includes and libraries only in the target system prefix.
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+
+# pass TOOLCHAIN_CPU to
+set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_SYSTEM_PROCESSOR)
+include(${CMAKE_CURRENT_LIST_DIR}/../cpu/${CMAKE_SYSTEM_PROCESSOR}.cmake)
+
+# ----------------------------------------------------------------------------
+# Compile flags
+# ----------------------------------------------------------------------------
+if (TOOLCHAIN STREQUAL "gcc")
+  list(APPEND TOOLCHAIN_COMMON_FLAGS
+    -fdata-sections
+    -ffunction-sections
+    -fsingle-precision-constant
+    -fno-strict-aliasing
+    )
+  list(APPEND TOOLCHAIN_EXE_LINKER_FLAGS
+    -Wl,--print-memory-usage
+    -Wl,--gc-sections
+    -Wl,--cref
+    )
+
+elseif (TOOLCHAIN STREQUAL "iar")
+  #list(APPEND TOOLCHAIN_COMMON_FLAGS)
+  list(APPEND TOOLCHAIN_EXE_LINKER_FLAGS
+    --diag_suppress=Li065
+    )
+
+elseif (TOOLCHAIN STREQUAL "clang")
+  list(APPEND TOOLCHAIN_COMMON_FLAGS
+    -fdata-sections
+    -ffunction-sections
+    -fno-strict-aliasing
+    )
+  list(APPEND TOOLCHAIN_EXE_LINKER_FLAGS
+    -Wl,--print-memory-usage
+    -Wl,--gc-sections
+    -Wl,--cref
+    )
+endif ()
+
+# join the toolchain flags into a single string
+list(JOIN TOOLCHAIN_COMMON_FLAGS " " TOOLCHAIN_COMMON_FLAGS)
+foreach (LANG IN ITEMS C CXX ASM)
+  set(CMAKE_${LANG}_FLAGS_INIT ${TOOLCHAIN_COMMON_FLAGS})
+  # optimization flags for LOG, LOGGER ?
+  #set(CMAKE_${LANG}_FLAGS_RELEASE_INIT "-Os")
+  #set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-O0")
+endforeach ()
+
+# Linker
+list(JOIN TOOLCHAIN_EXE_LINKER_FLAGS " " CMAKE_EXE_LINKER_FLAGS_INIT)
--- a/examples/build_system/cmake/toolchain/msp430_gcc.cmake
+++ b/examples/build_system/cmake/toolchain/msp430_gcc.cmake
@ -1,5 +1,3 @@
-set(CMAKE_SYSTEM_NAME Generic)
-
 if (NOT DEFINED CMAKE_C_COMPILER)
  set(CMAKE_C_COMPILER "msp430-elf-gcc")
 endif ()
@ -14,39 +12,4 @@ set(CMAKE_SIZE "msp430-elf-size" CACHE FILEPATH "")
 set(CMAKE_OBJCOPY "msp430-elf-objcopy" CACHE FILEPATH "")
 set(CMAKE_OBJDUMP "msp430-elf-objdump" CACHE FILEPATH "")

-set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)
-
-# Look for includes and libraries only in the target system prefix.
-set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
-
-# pass TOOLCHAIN_CPU to
-set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_SYSTEM_PROCESSOR)
-
-include(${CMAKE_CURRENT_LIST_DIR}/../cpu/${CMAKE_SYSTEM_PROCESSOR}.cmake)
-
-# enable all possible warnings for building examples
-list(APPEND TOOLCHAIN_COMMON_FLAGS
-  -fdata-sections
-  -ffunction-sections
-  -fsingle-precision-constant
-  -fno-strict-aliasing
-  )
-
-list(APPEND TOOLCHAIN_EXE_LINKER_FLAGS
-  -Wl,--print-memory-usage
-  -Wl,--gc-sections
-  -Wl,--cref
-  )
-
-include(${CMAKE_CURRENT_LIST_DIR}/set_flags.cmake)
-
-# try_compile is cmake test compiling its own example,
-# pass -nostdlib to skip stdlib linking
-get_property(IS_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
-if (IS_IN_TRY_COMPILE)
-  set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -nostdlib")
-  set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -nostdlib")
-endif ()
+include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
--- a/examples/build_system/cmake/toolchain/set_flags.cmake
+++ b/examples/build_system/cmake/toolchain/set_flags.cmake
@ -1,17 +0,0 @@
-include(CMakePrintHelpers)
-
-# join the toolchain flags into a single string
-list(JOIN TOOLCHAIN_COMMON_FLAGS " " TOOLCHAIN_COMMON_FLAGS)
-
-foreach (LANG IN ITEMS C CXX ASM)
-  set(CMAKE_${LANG}_FLAGS_INIT ${TOOLCHAIN_COMMON_FLAGS})
-
-  #cmake_print_variables(CMAKE_${LANG}_FLAGS_INIT)
-
-  # optimization flags for LOG, LOGGER ?
-  #set(CMAKE_${LANG}_FLAGS_RELEASE_INIT "-Os")
-  #set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-O0")
-endforeach ()
-
-# Linker
-list(JOIN TOOLCHAIN_EXE_LINKER_FLAGS " " CMAKE_EXE_LINKER_FLAGS_INIT)
--- a/examples/build_system/make/cpu/cortex-m0.mk
+++ b/examples/build_system/make/cpu/cortex-m0.mk
@ -4,10 +4,18 @@ ifeq ($(TOOLCHAIN),gcc)
    -mcpu=cortex-m0 \
    -mfloat-abi=soft \

+else ifeq ($(TOOLCHAIN),clang)
+  CFLAGS += \
+	  --target=arm-none-eabi \
+	  -mcpu=cortex-m0 \
+
 else ifeq ($(TOOLCHAIN),iar)
  # IAR Flags
  CFLAGS += --cpu cortex-m0
  ASFLAGS += --cpu cortex-m0
+
+else
+  $(error "TOOLCHAIN is not supported")
 endif

 # For freeRTOS port source
--- a/examples/build_system/make/cpu/cortex-m0plus.mk
+++ b/examples/build_system/make/cpu/cortex-m0plus.mk
@ -4,10 +4,18 @@ ifeq ($(TOOLCHAIN),gcc)
    -mcpu=cortex-m0plus \
    -mfloat-abi=soft \

+else ifeq ($(TOOLCHAIN),clang)
+  CFLAGS += \
+	  --target=arm-none-eabi \
+	  -mcpu=cortex-m0plus \
+
 else ifeq ($(TOOLCHAIN),iar)
  # IAR Flags
  CFLAGS += --cpu cortex-m0+
  ASFLAGS += --cpu cortex-m0+
+
+else
+  $(error "TOOLCHAIN is not supported")
 endif

 # For freeRTOS port source
--- a/examples/build_system/make/cpu/cortex-m23.mk
+++ b/examples/build_system/make/cpu/cortex-m23.mk
@ -4,10 +4,18 @@ ifeq ($(TOOLCHAIN),gcc)
    -mcpu=cortex-m23 \
    -mfloat-abi=soft \

+else ifeq ($(TOOLCHAIN),clang)
+  CFLAGS += \
+	  --target=arm-none-eabi \
+	  -mcpu=cortex-m23 \
+
 else ifeq ($(TOOLCHAIN),iar)
  # IAR Flags
  CFLAGS += --cpu cortex-m23
  ASFLAGS += --cpu cortex-m23
+
+else
+  $(error "TOOLCHAIN is not supported")
 endif

 # For freeRTOS port source
--- a/examples/build_system/make/cpu/cortex-m3.mk
+++ b/examples/build_system/make/cpu/cortex-m3.mk
@ -4,13 +4,18 @@ ifeq ($(TOOLCHAIN),gcc)
    -mcpu=cortex-m3 \
    -mfloat-abi=soft \

+else ifeq ($(TOOLCHAIN),clang)
+  CFLAGS += \
+	  --target=arm-none-eabi \
+	  -mcpu=cortex-m3 \
+
 else ifeq ($(TOOLCHAIN),iar)
  # IAR Flags
-  CFLAGS += \
-    --cpu cortex-m3 \
+  CFLAGS += --cpu cortex-m3
+  ASFLAGS += --cpu cortex-m3

-  ASFLAGS += \
-     --cpu cortex-m3
+else
+  $(error "TOOLCHAIN is not supported")
 endif

 # For freeRTOS port source
--- a/examples/build_system/make/cpu/cortex-m33-nodsp-nofp.mk
+++ b/examples/build_system/make/cpu/cortex-m33-nodsp-nofp.mk
@ -1,16 +1,24 @@
 ifeq ($(TOOLCHAIN),gcc)
-	CFLAGS += \
+  CFLAGS += \
 	-mthumb \
 	-mcpu=cortex-m33+nodsp \
 	-mfloat-abi=soft \

+else ifeq ($(TOOLCHAIN),clang)
+  CFLAGS += \
+	  --target=arm-none-eabi \
+	  -mcpu=cortex-m33 \
+	  -mfpu=softvp \
+
 else ifeq ($(TOOLCHAIN),iar)
-	CFLAGS += \
+  CFLAGS += \
 		--cpu cortex-m33+nodsp \

-	ASFLAGS += \
+  ASFLAGS += \
 		--cpu cortex-m33+nodsp \

+else
+  $(error "TOOLCHAIN is not supported")
 endif

 FREERTOS_PORTABLE_SRC ?= $(FREERTOS_PORTABLE_PATH)/ARM_CM33_NTZ/non_secure
--- a/examples/build_system/make/cpu/cortex-m33.mk
+++ b/examples/build_system/make/cpu/cortex-m33.mk
@ -5,15 +5,23 @@ ifeq ($(TOOLCHAIN),gcc)
    -mfloat-abi=hard \
    -mfpu=fpv5-sp-d16 \

+else ifeq ($(TOOLCHAIN),clang)
+  CFLAGS += \
+	  --target=arm-none-eabi \
+	  -mcpu=cortex-m33 \
+	  -mfpu=fpv5-sp-d16 \
+
 else ifeq ($(TOOLCHAIN),iar)
-	CFLAGS += \
+  CFLAGS += \
 		--cpu cortex-m33 \
 		--fpu VFPv5-SP \

-	ASFLAGS += \
+  ASFLAGS += \
 		--cpu cortex-m33 \
 		--fpu VFPv5-SP \

+else
+  $(error "TOOLCHAIN is not supported")
 endif

 FREERTOS_PORTABLE_SRC ?= $(FREERTOS_PORTABLE_PATH)/ARM_CM33_NTZ/non_secure
--- a/examples/build_system/make/cpu/cortex-m4.mk
+++ b/examples/build_system/make/cpu/cortex-m4.mk
@ -5,9 +5,18 @@ ifeq ($(TOOLCHAIN),gcc)
    -mfloat-abi=hard \
    -mfpu=fpv4-sp-d16 \

+else ifeq ($(TOOLCHAIN),clang)
+  CFLAGS += \
+	  --target=arm-none-eabi \
+	  -mcpu=cortex-m4 \
+	  -mfpu=fpv4-sp-d16 \
+
 else ifeq ($(TOOLCHAIN),iar)
  CFLAGS += --cpu cortex-m4 --fpu VFPv4
  ASFLAGS += --cpu cortex-m4 --fpu VFPv4
+
+else
+  $(error "TOOLCHAIN is not supported")
 endif

 FREERTOS_PORTABLE_SRC ?= $(FREERTOS_PORTABLE_PATH)/ARM_CM4F
--- a/examples/build_system/make/cpu/cortex-m7.mk
+++ b/examples/build_system/make/cpu/cortex-m7.mk
@ -5,6 +5,12 @@ ifeq ($(TOOLCHAIN),gcc)
    -mfloat-abi=hard \
    -mfpu=fpv5-d16 \

+else ifeq ($(TOOLCHAIN),clang)
+  CFLAGS += \
+	  --target=arm-none-eabi \
+	  -mcpu=cortex-m7 \
+	  -mfpu=fpv5-d16 \
+
 else ifeq ($(TOOLCHAIN),iar)
  CFLAGS += \
  	--cpu cortex-m7 \
@ -14,6 +20,8 @@ else ifeq ($(TOOLCHAIN),iar)
 		--cpu cortex-m7 \
 		--fpu VFPv5_D16 \

+else
+  $(error "TOOLCHAIN is not supported")
 endif

 FREERTOS_PORTABLE_SRC ?= $(FREERTOS_PORTABLE_PATH)/ARM_CM7/r0p1
--- a/examples/build_system/make/cpu/msp430.mk
+++ b/examples/build_system/make/cpu/msp430.mk
@ -1,7 +1,11 @@
 ifeq ($(TOOLCHAIN),gcc)
  # nothing to add
+else ifeq ($(TOOLCHAIN),clang)
+  # nothing to add
 else ifeq ($(TOOLCHAIN),iar)
  # nothing to add
+else
+  $(error "TOOLCHAIN is not supported")
 endif

 # For freeRTOS port source
--- a/examples/build_system/make/make.mk
+++ b/examples/build_system/make/make.mk
@ -2,6 +2,24 @@
 # Common make definition for all examples
 # ---------------------------------------

+#-------------------------------------------------------------
+# Toolchain
+# Can be changed via TOOLCHAIN=gcc|iar or CC=arm-none-eabi-gcc|iccarm|clang
+#-------------------------------------------------------------
+
+ifneq (,$(findstring clang,$(CC)))
+  TOOLCHAIN = clang
+else ifneq (,$(findstring iccarm,$(CC)))
+  TOOLCHAIN = iar
+else ifneq (,$(findstring gcc,$(CC)))
+  TOOLCHAIN = gcc
+endif
+
+# Default to GCC
+ifndef TOOLCHAIN
+  TOOLCHAIN = gcc
+endif
+
 #-------------- TOP and CURRENT_PATH ------------

 # Set TOP to be the path to get from the current directory (where make was invoked) to the top of the tree.
@ -15,6 +33,8 @@ TOP = $(abspath $(subst make.mk,../../..,$(THIS_MAKEFILE)))
 # Set CURRENT_PATH to the relative path from TOP to the current directory, ie examples/device/cdc_msc_freertos
 CURRENT_PATH = $(subst $(TOP)/,,$(abspath .))

+#-------------- Linux/Windows ------------
+
 # Detect whether shell style is windows or not
 # https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069
 ifeq '$(findstring ;,$(PATH))' ';'
@ -26,13 +46,18 @@ CMDEXE := 1
 SHELL := cmd.exe
 endif

-# Handy check parameter function
-check_defined = \
-    $(strip $(foreach 1,$1, \
-    $(call __check_defined,$1,$(strip $(value 2)))))
-__check_defined = \
-    $(if $(value $1),, \
-    $(error Undefined make flag: $1$(if $2, ($2))))
+ifeq ($(CMDEXE),1)
+  CP = copy
+  RM = del
+  MKDIR = mkdir
+  PYTHON = python
+else
+  CP = cp
+  RM = rm
+  MKDIR = mkdir
+  PYTHON = python3
+endif
+

 # Build directory
 BUILD := _build/$(BOARD)
@ -44,8 +69,8 @@ BIN := $(TOP)/_bin/$(BOARD)/$(notdir $(CURDIR))

 # Board without family
 ifneq ($(wildcard $(TOP)/hw/bsp/$(BOARD)/board.mk),)
-BOARD_PATH := hw/bsp/$(BOARD)
-FAMILY :=
+  BOARD_PATH := hw/bsp/$(BOARD)
+  FAMILY :=
 endif

 # Board within family
@ -68,31 +93,6 @@ else
  SRC_C += $(subst $(TOP)/,,$(wildcard $(TOP)/$(FAMILY_PATH)/*.c))
 endif

-#-------------- Toolchain  ------------
-
-# Supported toolchain: gcc, iar
-TOOLCHAIN ?= gcc
-
-# Can be set by board, default to ARM GCC
-CROSS_COMPILE ?= arm-none-eabi-
-
-ifeq ($(TOOLCHAIN),iar)
-CC := iccarm
-USE_IAR = 1
-endif
-
-ifeq ($(CMDEXE),1)
-  CP = copy
-  RM = del
-  MKDIR = mkdir
-  PYTHON = python
-else
-  CP = cp
-  RM = rm
-  MKDIR = mkdir
-  PYTHON = python3
-endif
-
 #-------------- Source files and compiler flags --------------
 # tinyusb makefile
 include $(TOP)/src/tinyusb.mk
@ -124,7 +124,7 @@ endif

 # Logger: default is uart, can be set to rtt or swo
 ifneq ($(LOGGER),)
-	CMAKE_DEFSYM +=	-DLOGGER=$(LOGGER)
+  CMAKE_DEFSYM +=	-DLOGGER=$(LOGGER)
 endif

 ifeq ($(LOGGER),rtt)
@ -143,3 +143,11 @@ endif

 # toolchain specific
 include ${TOP}/examples/build_system/make/toolchain/arm_$(TOOLCHAIN).mk
+
+# Handy check parameter function
+check_defined = \
+    $(strip $(foreach 1,$1, \
+    $(call __check_defined,$1,$(strip $(value 2)))))
+__check_defined = \
+    $(if $(value $1),, \
+    $(error Undefined make flag: $1$(if $2, ($2))))
--- a/examples/build_system/make/rules.mk
+++ b/examples/build_system/make/rules.mk
@ -24,7 +24,7 @@ vpath %.c . $(TOP)
 vpath %.s . $(TOP)
 vpath %.S . $(TOP)

-include ${TOP}/examples/build_system/make/toolchain/arm_$(TOOLCHAIN)_rules.mk
+include ${TOP}/examples/build_system/make/toolchain/$(TOOLCHAIN)_rules.mk

 # ---------------------------------------
 # Compiler Flags
--- a/examples/build_system/make/toolchain/arm_clang.mk
+++ b/examples/build_system/make/toolchain/arm_clang.mk
@ -0,0 +1,10 @@
+CC = clang
+CXX = clang++
+AS = $(CC) -x assembler-with-cpp
+LD = $(CC)
+
+GDB = $(CROSS_COMPILE)gdb
+OBJCOPY = llvm-objcopy
+SIZE = llvm-size
+
+include ${TOP}/examples/build_system/make/toolchain/gcc_common.mk
--- a/examples/build_system/make/toolchain/arm_gcc.mk
+++ b/examples/build_system/make/toolchain/arm_gcc.mk
@ -1,5 +1,8 @@
 # makefile for arm gcc toolchain

+# Can be set by family, default to ARM GCC
+CROSS_COMPILE ?= arm-none-eabi-
+
 CC = $(CROSS_COMPILE)gcc
 CXX = $(CROSS_COMPILE)g++
 AS = $(CC) -x assembler-with-cpp
@ -9,73 +12,9 @@ GDB = $(CROSS_COMPILE)gdb
 OBJCOPY = $(CROSS_COMPILE)objcopy
 SIZE = $(CROSS_COMPILE)size

-CC_VERSION := $(shell $(CC) -dumpversion)
-CC_VERSION_MAJOR = $(firstword $(subst ., ,$(CC_VERSION)))
-
-# ---------------------------------------
-# Compiler Flags
-# ---------------------------------------
 CFLAGS += \
-  -MD \
-  -ggdb \
-  -fdata-sections \
-  -ffunction-sections \
  -fsingle-precision-constant \
-  -fno-strict-aliasing \
-  -Wall \
-  -Wextra \
-  -Werror \
-  -Wfatal-errors \
-  -Wdouble-promotion \
-  -Wstrict-prototypes \
-  -Wstrict-overflow \
-  -Werror-implicit-function-declaration \
-  -Wfloat-equal \
-  -Wundef \
-  -Wshadow \
-  -Wwrite-strings \
-  -Wsign-compare \
-  -Wmissing-format-attribute \
-  -Wunreachable-code \
-  -Wcast-align \
-  -Wcast-function-type \
-  -Wcast-qual \
-  -Wnull-dereference \
-  -Wuninitialized \
-  -Wunused \
-  -Wreturn-type \
-  -Wredundant-decls \

-# conversion is too strict for most mcu driver, may be disable sign/int/arith-conversion
-#  -Wconversion
+LIBS += -lgcc -lm -lnosys

-# Size Optimization as default
-CFLAGS_OPTIMIZED ?= -Os
-
-# Debugging/Optimization
-ifeq ($(DEBUG), 1)
-  CFLAGS += -O0
-  NO_LTO = 1
-else
-  CFLAGS += $(CFLAGS_OPTIMIZED)
-endif
-
-# ---------------------------------------
-# Linker Flags
-# ---------------------------------------
-LDFLAGS += \
-  -Wl,-Map=$@.map \
-  -Wl,-cref \
-  -Wl,-gc-sections \
-
-# renesas rx does not support --print-memory-usage flags
-ifneq ($(FAMILY),rx)
-LDFLAGS += -Wl,--print-memory-usage
-endif
-
-# from version 12
-ifeq ($(strip $(if $(CMDEXE),\
-               $(shell if $(CC_VERSION_MAJOR) geq 12 (echo 1) else (echo 0)),\
-               $(shell expr $(CC_VERSION_MAJOR) \>= 12))), 1)
-LDFLAGS += -Wl,--no-warn-rwx-segment
-endif
+include ${TOP}/examples/build_system/make/toolchain/gcc_common.mk
--- a/examples/build_system/make/toolchain/arm_iar.mk
+++ b/examples/build_system/make/toolchain/arm_iar.mk
@ -1,4 +1,6 @@
 # makefile for arm iar toolchain
+
+CC = iccarm
 AS = iasmarm
 LD = ilinkarm
 OBJCOPY = ielftool --silent
--- a/examples/build_system/make/toolchain/clang_rules.mk
+++ b/examples/build_system/make/toolchain/clang_rules.mk
@ -0,0 +1 @@
+include ${TOP}/examples/build_system/make/toolchain/gcc_rules.mk
--- a/examples/build_system/make/toolchain/gcc_common.mk
+++ b/examples/build_system/make/toolchain/gcc_common.mk
@ -0,0 +1,71 @@
+# ---------------------------------------
+# Compiler Flags
+# ---------------------------------------
+CFLAGS += \
+  -MD \
+  -ggdb \
+  -fdata-sections \
+  -ffunction-sections \
+  -fno-strict-aliasing \
+  -Wall \
+  -Wextra \
+  -Werror \
+  -Wfatal-errors \
+  -Wdouble-promotion \
+  -Wstrict-prototypes \
+  -Wstrict-overflow \
+  -Werror-implicit-function-declaration \
+  -Wfloat-equal \
+  -Wundef \
+  -Wshadow \
+  -Wwrite-strings \
+  -Wsign-compare \
+  -Wmissing-format-attribute \
+  -Wunreachable-code \
+  -Wcast-align \
+  -Wcast-function-type \
+  -Wcast-qual \
+  -Wnull-dereference \
+  -Wuninitialized \
+  -Wunused \
+  -Wreturn-type \
+  -Wredundant-decls \
+
+# conversion is too strict for most mcu driver, may be disable sign/int/arith-conversion
+#  -Wconversion
+
+# Size Optimization as default
+CFLAGS_OPTIMIZED ?= -Os
+
+# Debugging/Optimization
+ifeq ($(DEBUG), 1)
+  CFLAGS += -O0
+  NO_LTO = 1
+else
+  CFLAGS += $(CFLAGS_OPTIMIZED)
+endif
+
+# ---------------------------------------
+# Linker Flags
+# ---------------------------------------
+LDFLAGS += \
+  -Wl,-Map=$@.map \
+  -Wl,--cref \
+  -Wl,-gc-sections \
+
+# renesas rx does not support --print-memory-usage flags
+ifneq ($(FAMILY),rx)
+LDFLAGS += -Wl,--print-memory-usage
+endif
+
+ifeq ($(TOOLCHAIN),gcc)
+CC_VERSION := $(shell $(CC) -dumpversion)
+CC_VERSION_MAJOR = $(firstword $(subst ., ,$(CC_VERSION)))
+
+# from version 12
+ifeq ($(strip $(if $(CMDEXE),\
+               $(shell if $(CC_VERSION_MAJOR) geq 12 (echo 1) else (echo 0)),\
+               $(shell expr $(CC_VERSION_MAJOR) \>= 12))), 1)
+LDFLAGS += -Wl,--no-warn-rwx-segment
+endif
+endif
--- a/examples/build_system/make/toolchain/arm_gcc_rules.mk
+++ b/examples/build_system/make/toolchain/arm_gcc_rules.mk
@ -21,8 +21,14 @@ ifneq ($(CFLAGS_SKIP),)
 CFLAGS := $(filter-out $(CFLAGS_SKIP),$(CFLAGS))
 endif

+ifeq ($(TOOLCHAIN),clang)
+CFLAGS += $(CFLAGS_CLANG)
+LDFLAGS += $(CFLAGS) $(LDFLAGS_CLANG)
+else
 LDFLAGS += $(CFLAGS) $(LDFLAGS_GCC)
+endif

+# TODO should be removed after all examples are updated
 ifdef LD_FILE
 LDFLAGS += -Wl,-T,$(TOP)/$(LD_FILE)
 endif
@ -33,11 +39,7 @@ endif

 ASFLAGS += $(CFLAGS)

-LIBS_GCC ?= -lgcc -lm -lnosys
-
 # libc
-LIBS += $(LIBS_GCC)
-
 ifneq ($(BOARD), spresense)
 LIBS += -lc
 endif
--- a/examples/build_system/make/toolchain/arm_iar_rules.mk
+++ b/examples/build_system/make/toolchain/arm_iar_rules.mk
--- a/examples/device/audio_test_multi_rate/src/main.c
+++ b/examples/device/audio_test_multi_rate/src/main.c
@ -272,7 +272,7 @@ bool tud_audio_set_req_entity_cb(uint8_t rhport, tusb_control_request_t const *

        sampFreq = (uint32_t)((audio_control_cur_4_t *)pBuff)->bCur;

-        TU_LOG2("Clock set current freq: %lu\r\n", sampFreq);
+        TU_LOG2("Clock set current freq: %" PRIu32 "\r\n", sampFreq);

        return true;
      break;
--- a/examples/device/cdc_msc/src/main.c
+++ b/examples/device/cdc_msc/src/main.c
@ -23,10 +23,6 @@
 *
 */

-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
 #include "bsp/board_api.h"
 #include "tusb.h"

--- a/examples/device/cdc_msc_freertos/Makefile
+++ b/examples/device/cdc_msc_freertos/Makefile
@ -1,7 +1,7 @@
 include ../../build_system/make/make.mk

 FREERTOS_SRC = lib/FreeRTOS-Kernel
-FREERTOS_PORTABLE_PATH= $(FREERTOS_SRC)/portable/$(if $(USE_IAR),IAR,GCC)
+FREERTOS_PORTABLE_PATH = $(FREERTOS_SRC)/portable/$(if $(findstring iar,$(TOOLCHAIN)),IAR,GCC)

 INC += \
 	src \
--- a/examples/device/cdc_uac2/src/uac2_app.c
+++ b/examples/device/cdc_uac2/src/uac2_app.c
@ -69,7 +69,7 @@ static bool tud_audio_clock_get_request(uint8_t rhport, audio_control_request_t
  {
    if (request->bRequest == AUDIO_CS_REQ_CUR)
    {
-      TU_LOG1("Clock get current freq %lu\r\n", current_sample_rate);
+      TU_LOG1("Clock get current freq %" PRIu32 "\r\n", current_sample_rate);

      audio_control_cur_4_t curf = { (int32_t) tu_htole32(current_sample_rate) };
      return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &curf, sizeof(curf));
@ -118,7 +118,7 @@ static bool tud_audio_clock_set_request(uint8_t rhport, audio_control_request_t

    current_sample_rate = (uint32_t) ((audio_control_cur_4_t const *)buf)->bCur;

-    TU_LOG1("Clock set current freq: %ld\r\n", current_sample_rate);
+    TU_LOG1("Clock set current freq: %" PRIu32 "\r\n", current_sample_rate);

    return true;
  }
--- a/examples/device/hid_composite_freertos/Makefile
+++ b/examples/device/hid_composite_freertos/Makefile
@ -3,7 +3,7 @@ DEPS_SUBMODULES += lib/FreeRTOS-Kernel
 include ../../build_system/make/make.mk

 FREERTOS_SRC = lib/FreeRTOS-Kernel
-FREERTOS_PORTABLE_PATH= $(FREERTOS_SRC)/portable/$(if $(USE_IAR),IAR,GCC)
+FREERTOS_PORTABLE_PATH= $(FREERTOS_SRC)/portable/$(if $(findstring iar,$(TOOLCHAIN)),IAR,GCC)

 INC += \
 	src \
--- a/examples/device/msc_dual_lun/src/main.c
+++ b/examples/device/msc_dual_lun/src/main.c
@ -39,7 +39,7 @@
 * - 1000 ms : device mounted
 * - 2500 ms : device is suspended
 */
-enum  {
+enum {
  BLINK_NOT_MOUNTED = 250,
  BLINK_MOUNTED = 1000,
  BLINK_SUSPENDED = 2500,
@ -50,8 +50,7 @@ static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
 void led_blinking_task(void);

 /*------------- MAIN -------------*/
-int main(void)
-{
+int main(void) {
  board_init();

  // init device stack on configured roothub port
@ -61,8 +60,7 @@ int main(void)
    board_init_after_tusb();
  }

-  while (1)
-  {
+  while (1) {
    tud_task(); // tinyusb device task
    led_blinking_task();
  }
@ -73,42 +71,37 @@ int main(void)
 //--------------------------------------------------------------------+

 // Invoked when device is mounted
-void tud_mount_cb(void)
-{
+void tud_mount_cb(void) {
  blink_interval_ms = BLINK_MOUNTED;
 }

 // Invoked when device is unmounted
-void tud_umount_cb(void)
-{
+void tud_umount_cb(void) {
  blink_interval_ms = BLINK_NOT_MOUNTED;
 }

 // Invoked when usb bus is suspended
 // remote_wakeup_en : if host allow us  to perform remote wakeup
 // Within 7ms, device must draw an average of current less than 2.5 mA from bus
-void tud_suspend_cb(bool remote_wakeup_en)
-{
+void tud_suspend_cb(bool remote_wakeup_en) {
  (void) remote_wakeup_en;
  blink_interval_ms = BLINK_SUSPENDED;
 }

 // Invoked when usb bus is resumed
-void tud_resume_cb(void)
-{
+void tud_resume_cb(void) {
  blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED;
 }

 //--------------------------------------------------------------------+
 // BLINKING TASK
 //--------------------------------------------------------------------+
-void led_blinking_task(void)
-{
+void led_blinking_task(void) {
  static uint32_t start_ms = 0;
  static bool led_state = false;

  // Blink every interval ms
-  if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time
+  if (board_millis() - start_ms < blink_interval_ms) return; // not enough time
  start_ms += blink_interval_ms;

  board_led_write(led_state);
--- a/examples/device/uac2_headset/src/main.c
+++ b/examples/device/uac2_headset/src/main.c
@ -157,7 +157,7 @@ static bool tud_audio_clock_get_request(uint8_t rhport, audio_control_request_t
  {
    if (request->bRequest == AUDIO_CS_REQ_CUR)
    {
-      TU_LOG1("Clock get current freq %lu\r\n", current_sample_rate);
+      TU_LOG1("Clock get current freq %" PRIu32 "\r\n", current_sample_rate);

      audio_control_cur_4_t curf = { (int32_t) tu_htole32(current_sample_rate) };
      return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &curf, sizeof(curf));
@ -206,7 +206,7 @@ static bool tud_audio_clock_set_request(uint8_t rhport, audio_control_request_t

    current_sample_rate = (uint32_t) ((audio_control_cur_4_t const *)buf)->bCur;

-    TU_LOG1("Clock set current freq: %ld\r\n", current_sample_rate);
+    TU_LOG1("Clock set current freq: %" PRIu32 "\r\n", current_sample_rate);

    return true;
  }
--- a/examples/host/bare_api/src/main.c
+++ b/examples/host/bare_api/src/main.c
@ -420,5 +420,5 @@ static void print_utf16(uint16_t *temp_buf, size_t buf_len) {
    _convert_utf16le_to_utf8(temp_buf + 1, utf16_len, (uint8_t *) temp_buf, sizeof(uint16_t) * buf_len);
    ((uint8_t*) temp_buf)[utf8_len] = '\0';

-    printf((char*)temp_buf);
+    printf("%s", (char*)temp_buf);
 }
--- a/examples/host/cdc_msc_hid/src/cdc_app.c
+++ b/examples/host/cdc_msc_hid/src/cdc_app.c
@ -72,7 +72,7 @@ void tuh_cdc_rx_cb(uint8_t idx) {
  uint32_t count = tuh_cdc_read(idx, buf, bufsize);
  buf[count] = 0;

-  printf((char*) buf);
+  printf("%s", (char*) buf);
 }

 // Invoked when a device with CDC interface is mounted
@ -89,7 +89,7 @@ void tuh_cdc_mount_cb(uint8_t idx) {
  // while eneumerating new cdc device
  cdc_line_coding_t line_coding = {0};
  if (tuh_cdc_get_local_line_coding(idx, &line_coding)) {
-    printf("  Baudrate: %lu, Stop Bits : %u\r\n", line_coding.bit_rate, line_coding.stop_bits);
+    printf("  Baudrate: %" PRIu32 ", Stop Bits : %u\r\n", line_coding.bit_rate, line_coding.stop_bits);
    printf("  Parity  : %u, Data Width: %u\r\n", line_coding.parity, line_coding.data_bits);
  }
 #else
--- a/examples/host/cdc_msc_hid/src/msc_app.c
+++ b/examples/host/cdc_msc_hid/src/msc_app.c
@ -48,8 +48,8 @@ bool inquiry_complete_cb(uint8_t dev_addr, tuh_msc_complete_data_t const * cb_da
  uint32_t const block_count = tuh_msc_get_block_count(dev_addr, cbw->lun);
  uint32_t const block_size = tuh_msc_get_block_size(dev_addr, cbw->lun);

-  printf("Disk Size: %lu MB\r\n", block_count / ((1024*1024)/block_size));
-  printf("Block Count = %lu, Block Size: %lu\r\n", block_count, block_size);
+  printf("Disk Size: %" PRIu32 " MB\r\n", block_count / ((1024*1024)/block_size));
+  printf("Block Count = %" PRIu32 ", Block Size: %" PRIu32 "\r\n", block_count, block_size);

  return true;
 }
--- a/examples/host/cdc_msc_hid_freertos/Makefile
+++ b/examples/host/cdc_msc_hid_freertos/Makefile
@ -1,7 +1,7 @@
 include ../../build_system/make/make.mk

 FREERTOS_SRC = lib/FreeRTOS-Kernel
-FREERTOS_PORTABLE_PATH= $(FREERTOS_SRC)/portable/$(if $(USE_IAR),IAR,GCC)
+FREERTOS_PORTABLE_PATH= $(FREERTOS_SRC)/portable/$(if $(findstring iar,$(TOOLCHAIN)),IAR,GCC)

 INC += \
 	src \
--- a/examples/host/cdc_msc_hid_freertos/src/cdc_app.c
+++ b/examples/host/cdc_msc_hid_freertos/src/cdc_app.c
@ -117,7 +117,7 @@ void tuh_cdc_rx_cb(uint8_t idx) {
  uint32_t count = tuh_cdc_read(idx, buf, bufsize);
  buf[count] = 0;

-  printf((char *) buf);
+  printf("%s", (char *) buf);
 }

 void tuh_cdc_mount_cb(uint8_t idx) {
@ -131,7 +131,7 @@ void tuh_cdc_mount_cb(uint8_t idx) {
  // otherwise you need to call tuh_cdc_set_line_coding() first
  cdc_line_coding_t line_coding = { 0 };
  if (tuh_cdc_get_local_line_coding(idx, &line_coding)) {
-    printf("  Baudrate: %lu, Stop Bits : %u\r\n", line_coding.bit_rate, line_coding.stop_bits);
+    printf("  Baudrate: %" PRIu32 ", Stop Bits : %u\r\n", line_coding.bit_rate, line_coding.stop_bits);
    printf("  Parity  : %u, Data Width: %u\r\n", line_coding.parity, line_coding.data_bits);
  }
 #endif
--- a/examples/host/cdc_msc_hid_freertos/src/msc_app.c
+++ b/examples/host/cdc_msc_hid_freertos/src/msc_app.c
@ -47,8 +47,8 @@ bool inquiry_complete_cb(uint8_t dev_addr, tuh_msc_complete_data_t const *cb_dat
  uint32_t const block_count = tuh_msc_get_block_count(dev_addr, cbw->lun);
  uint32_t const block_size = tuh_msc_get_block_size(dev_addr, cbw->lun);

-  printf("Disk Size: %lu MB\r\n", block_count / ((1024 * 1024) / block_size));
-  printf("Block Count = %lu, Block Size: %lu\r\n", block_count, block_size);
+  printf("Disk Size: %" PRIu32 " MB\r\n", block_count / ((1024 * 1024) / block_size));
+  printf("Block Count = %" PRIu32 ", Block Size: %" PRIu32 "\r\n", block_count, block_size);

  return true;
 }
--- a/examples/host/msc_file_explorer/src/main.c
+++ b/examples/host/msc_file_explorer/src/main.c
@ -72,8 +72,7 @@ extern bool msc_app_init(void);
 extern void msc_app_task(void);

 /*------------- MAIN -------------*/
-int main(void)
-{
+int main(void) {
  board_init();

  printf("TinyUSB Host MassStorage Explorer Example\r\n");
@ -87,8 +86,7 @@ int main(void)

  msc_app_init();

-  while (1)
-  {
+  while (1) {
    // tinyusb host task
    tuh_task();

@ -103,28 +101,25 @@ int main(void)
 // TinyUSB Callbacks
 //--------------------------------------------------------------------+

-void tuh_mount_cb(uint8_t dev_addr)
-{
+void tuh_mount_cb(uint8_t dev_addr) {
  (void) dev_addr;
 }

-void tuh_umount_cb(uint8_t dev_addr)
-{
+void tuh_umount_cb(uint8_t dev_addr) {
  (void) dev_addr;
 }

 //--------------------------------------------------------------------+
 // Blinking Task
 //--------------------------------------------------------------------+
-void led_blinking_task(void)
-{
+void led_blinking_task(void) {
  const uint32_t interval_ms = 1000;
  static uint32_t start_ms = 0;

  static bool led_state = false;

  // Blink every interval ms
-  if ( board_millis() - start_ms < interval_ms) return; // not enough time
+  if (board_millis() - start_ms < interval_ms) return; // not enough time
  start_ms += interval_ms;

  board_led_write(led_state);
--- a/examples/host/msc_file_explorer/src/msc_app.c
+++ b/examples/host/msc_file_explorer/src/msc_app.c
@ -95,7 +95,6 @@ void msc_app_task(void)
 //
 //--------------------------------------------------------------------+

-
 bool inquiry_complete_cb(uint8_t dev_addr, tuh_msc_complete_data_t const * cb_data)
 {
  msc_cbw_t const* cbw = cb_data->cbw;
@ -114,7 +113,7 @@ bool inquiry_complete_cb(uint8_t dev_addr, tuh_msc_complete_data_t const * cb_da
  uint32_t const block_count = tuh_msc_get_block_count(dev_addr, cbw->lun);
  uint32_t const block_size = tuh_msc_get_block_size(dev_addr, cbw->lun);

-  printf("Disk Size: %lu MB\r\n", block_count / ((1024*1024)/block_size));
+  printf("Disk Size: %" PRIu32 " MB\r\n", block_count / ((1024*1024)/block_size));
  // printf("Block Count = %lu, Block Size: %lu\r\n", block_count, block_size);

  // For simplicity: we only mount 1 LUN per device
@ -541,10 +540,10 @@ void cli_cmd_ls(EmbeddedCli *cli, char *args, void *context)
        printf("%-40s", fno.fname);
        if (fno.fsize < 1024)
        {
-          printf("%lu B\r\n", fno.fsize);
+          printf("%" PRIu32 " B\r\n", fno.fsize);
        }else
        {
-          printf("%lu KB\r\n", fno.fsize / 1024);
+          printf("%" PRIu32 " KB\r\n", fno.fsize / 1024);
        }
      }
    }
--- a/hw/bsp/board.c
+++ b/hw/bsp/board.c
@ -108,6 +108,28 @@ TU_ATTR_USED int sys_read (int fhdl, char *buf, size_t count) {
 //  st->st_mode = S_IFCHR;
 //}

+// Clang use picolibc
+#if defined(__clang__)
+static int cl_putc(char c, FILE *f) {
+  (void) f;
+  return sys_write(0, &c, 1);
+}
+
+static int cl_getc(FILE* f) {
+  (void) f;
+  char c;
+  return sys_read(0, &c, 1) > 0 ? c : -1;
+}
+
+static FILE __stdio = FDEV_SETUP_STREAM(cl_putc, cl_getc, NULL, _FDEV_SETUP_RW);
+FILE *const stdin = &__stdio;
+__strong_reference(stdin, stdout);
+__strong_reference(stdin, stderr);
+#endif
+
+//--------------------------------------------------------------------+
+// Board API
+//--------------------------------------------------------------------+
 int board_getchar(void) {
  char c;
  return (sys_read(0, &c, 1) > 0) ? (int) c : (-1);
--- a/hw/bsp/board_api.h
+++ b/hw/bsp/board_api.h
@ -32,7 +32,10 @@ extern "C" {
 #endif

 #include <stdint.h>
+#include <inttypes.h>
 #include <stdbool.h>
+#include <string.h>
+
 #include "tusb.h"

 #if CFG_TUSB_OS == OPT_OS_FREERTOS
@ -139,6 +142,7 @@ static inline size_t board_usb_get_serial(uint16_t desc_str1[], size_t max_chars
  uint8_t uid[16] TU_ATTR_ALIGNED(4);
  size_t uid_len;

+  // TODO work with make, but not working with esp32s3 cmake
  if ( board_get_unique_id ) {
    uid_len = board_get_unique_id(uid, sizeof(uid));
  }else {
--- a/hw/bsp/family_support.cmake
+++ b/hw/bsp/family_support.cmake
@ -6,12 +6,33 @@ include(CMakePrintHelpers)
 set(TOP "${CMAKE_CURRENT_LIST_DIR}/../..")
 get_filename_component(TOP ${TOP} ABSOLUTE)

-# Default to gcc
+#-------------------------------------------------------------
+# Toolchain
+# Can be changed via -DTOOLCHAIN=gcc|iar or -DCMAKE_C_COMPILER=
+#-------------------------------------------------------------
+# Detect toolchain based on CMAKE_C_COMPILER
+if (DEFINED CMAKE_C_COMPILER)
+  string(FIND ${CMAKE_C_COMPILER} "iccarm" IS_IAR)
+  string(FIND ${CMAKE_C_COMPILER} "clang" IS_CLANG)
+  string(FIND ${CMAKE_C_COMPILER} "gcc" IS_GCC)
+
+  if (NOT IS_IAR EQUAL -1)
+    set(TOOLCHAIN iar)
+  elseif (NOT IS_CLANG EQUAL -1)
+    set(TOOLCHAIN clang)
+  elseif (NOT IS_GCC EQUAL -1)
+    set(TOOLCHAIN gcc)
+  endif ()
+endif ()
+
+# default to gcc
 if (NOT DEFINED TOOLCHAIN)
  set(TOOLCHAIN gcc)
 endif ()

-# FAMILY not defined, try to detect it from BOARD
+#-------------------------------------------------------------
+# FAMILY and BOARD
+#-------------------------------------------------------------
 if (NOT DEFINED FAMILY)
  if (NOT DEFINED BOARD)
    message(FATAL_ERROR "You must set a FAMILY variable for the build (e.g. rp2040, espressif).
@ -74,6 +95,9 @@ set(WARNING_FLAGS_GNU

 set(WARNING_FLAGS_IAR "")

+#-------------------------------------------------------------
+# Functions
+#-------------------------------------------------------------

 # Filter example based on only.txt and skip.txt
 function(family_filter RESULT DIR)
@ -195,8 +219,9 @@ function(family_configure_common TARGET RTOS)
    if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 12.0)
      target_link_options(${TARGET} PUBLIC "LINKER:--no-warn-rwx-segments")
    endif ()
-  endif()
-  if (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+ elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${TARGET} PUBLIC "LINKER:-Map=$<TARGET_FILE:${TARGET}>.map")
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
    target_link_options(${TARGET} PUBLIC "LINKER:--map=$<TARGET_FILE:${TARGET}>.map")
  endif()

@ -214,7 +239,7 @@ function(family_configure_common TARGET RTOS)
      if (NOT TARGET segger_rtt)
        add_library(segger_rtt STATIC ${TOP}/lib/SEGGER_RTT/RTT/SEGGER_RTT.c)
        target_include_directories(segger_rtt PUBLIC ${TOP}/lib/SEGGER_RTT/RTT)
-        #target_compile_definitions(segger_rtt PUBLIC SEGGER_RTT_MODE_DEFAULT=SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL)
+#        target_compile_definitions(segger_rtt PUBLIC SEGGER_RTT_MODE_DEFAULT=SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL)
      endif()
      target_link_libraries(${TARGET} PUBLIC segger_rtt)
    endif ()
--- a/hw/bsp/fomu/fomu.ld
+++ b/hw/bsp/fomu/fomu.ld
@ -11,7 +11,7 @@ MEMORY {
 }

 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;

 /* Section Definitions */
 SECTIONS
--- a/hw/bsp/imxrt/family.c
+++ b/hw/bsp/imxrt/family.c
@ -224,3 +224,22 @@ uint32_t board_millis(void) {
  return system_ticks;
 }
 #endif
+
+
+#ifndef __ICCARM__
+// Implement _start() since we use linker flag '-nostartfiles'.
+// Requires defined __STARTUP_CLEAR_BSS,
+extern int main(void);
+TU_ATTR_UNUSED void _start(void) {
+  // called by startup code
+  main();
+  while (1) {}
+}
+
+#ifdef __clang__
+void	_exit (int __status) {
+  while (1) {}
+}
+#endif
+
+#endif
--- a/hw/bsp/imxrt/family.cmake
+++ b/hw/bsp/imxrt/family.cmake
@ -1,9 +1,5 @@
 include_guard()

-if (NOT BOARD)
-  message(FATAL_ERROR "BOARD not specified")
-endif ()
-
 set(SDK_DIR ${TOP}/hw/mcu/nxp/mcux-sdk)
 set(CMSIS_DIR ${TOP}/lib/CMSIS_5)

@ -26,7 +22,21 @@ function(add_board_target BOARD_TARGET)
    return()
  endif ()

+  # LD_FILE and STARTUP_FILE can be defined in board.cmake
+  if (NOT DEFINED LD_FILE_${CMAKE_C_COMPILER_ID})
+    set(LD_FILE_GNU ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/${MCU_VARIANT}xxxxx${MCU_CORE}_flexspi_nor.ld)
+    #set(LD_FILE_IAR ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/${MCU_VARIANT}xxxxx_flexspi_nor.ld)
+  endif ()
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+
+  if (NOT DEFINED STARTUP_FILE_${CMAKE_C_COMPILER_ID})
+    set(STARTUP_FILE_GNU ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/startup_${MCU_VARIANT_WITH_CORE}.S)
+    #set(STARTUP_FILE_IAR ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/startup_${MCU_VARIANT_WITH_CORE}.S)
+  endif ()
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+
  add_library(${BOARD_TARGET} STATIC
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}/board/clock_config.c
    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}/board/pin_mux.c
    ${SDK_DIR}/drivers/common/fsl_common.c
@ -52,6 +62,7 @@ function(add_board_target BOARD_TARGET)
    __ARMFPV5__=0
    XIP_EXTERNAL_FLASH=1
    XIP_BOOT_HEADER_ENABLE=1
+    __STARTUP_CLEAR_BSS
    )
  target_include_directories(${BOARD_TARGET} PUBLIC
    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
@ -68,31 +79,21 @@ function(add_board_target BOARD_TARGET)

  update_board(${BOARD_TARGET})

-  # LD_FILE and STARTUP_FILE can be defined in board.cmake
-  if (NOT DEFINED LD_FILE_${CMAKE_C_COMPILER_ID})
-    set(LD_FILE_GNU ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/${MCU_VARIANT}xxxxx${MCU_CORE}_flexspi_nor.ld)
-    #set(LD_FILE_IAR ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/${MCU_VARIANT}xxxxx_flexspi_nor.ld)
-  endif ()
-
-  if (NOT DEFINED STARTUP_FILE_${CMAKE_C_COMPILER_ID})
-    set(STARTUP_FILE_GNU ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/startup_${MCU_VARIANT_WITH_CORE}.S)
-    #set(STARTUP_FILE_IAR ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/startup_${MCU_VARIANT_WITH_CORE}.S)
-  endif ()
-
-  target_sources(${BOARD_TARGET} PUBLIC
-    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
-    )
-
  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
    target_link_options(${BOARD_TARGET} PUBLIC
      "LINKER:--script=${LD_FILE_GNU}"
-      # nanolib
-      --specs=nosys.specs
-      --specs=nano.specs
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
      # force linker to look for these symbols
      -Wl,-uimage_vector_table
      -Wl,-ug_boot_data
      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -Wl,-uimage_vector_table
+      -Wl,-ug_boot_data
+      )
  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
    target_link_options(${BOARD_TARGET} PUBLIC
      "LINKER:--config=${LD_FILE_IAR}"
--- a/hw/bsp/imxrt/family.mk
+++ b/hw/bsp/imxrt/family.mk
@ -11,6 +11,7 @@ MCU_DIR = $(SDK_DIR)/devices/$(MCU_VARIANT)
 CFLAGS += \
  -D__ARMVFP__=0 \
  -D__ARMFPV5__=0 \
+  -D__STARTUP_CLEAR_BSS \
  -DXIP_EXTERNAL_FLASH=1 \
  -DXIP_BOOT_HEADER_ENABLE=1 \
  -DCFG_TUSB_MCU=OPT_MCU_MIMXRT1XXX
@ -26,7 +27,9 @@ endif
 # mcu driver cause following warnings
 CFLAGS += -Wno-error=unused-parameter -Wno-error=implicit-fallthrough -Wno-error=redundant-decls

-LDFLAGS_GCC += -specs=nosys.specs -specs=nano.specs
+LDFLAGS_GCC += \
+  -nostartfiles \
+  --specs=nosys.specs --specs=nano.specs

 # All source paths should be relative to the top level.
 LD_FILE ?= $(MCU_DIR)/gcc/$(MCU_VARIANT)xxxxx${MCU_CORE}_flexspi_nor.ld
--- a/hw/bsp/kinetis_k/family.c
+++ b/hw/bsp/kinetis_k/family.c
@ -140,5 +140,23 @@ void SysTick_Handler(void) {
 uint32_t board_millis(void) {
  return system_ticks;
 }
+#endif
+
+
+#ifndef __ICCARM__
+// Implement _start() since we use linker flag '-nostartfiles'.
+// Requires defined __STARTUP_CLEAR_BSS,
+extern int main(void);
+TU_ATTR_UNUSED void _start(void) {
+  // called by startup code
+  main();
+  while (1) {}
+}
+
+#ifdef __clang__
+void	_exit (int __status) {
+  while (1) {}
+}
+#endif

 #endif
--- a/hw/bsp/kinetis_k/family.cmake
+++ b/hw/bsp/kinetis_k/family.cmake
@ -22,48 +22,53 @@ set(FAMILY_MCUS KINETIS_K CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    add_library(${BOARD_TARGET} STATIC
-      # driver
-      ${SDK_DIR}/drivers/gpio/fsl_gpio.c
-      ${SDK_DIR}/drivers/uart/fsl_uart.c
-      ${SDK_DIR}/devices/${MCU_VARIANT}/drivers/fsl_clock.c
-      ${SDK_DIR}/devices/${MCU_VARIANT}/system_${MCU_VARIANT}.c
-      )
-    target_compile_definitions(${BOARD_TARGET} PUBLIC
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${CMSIS_DIR}/CMSIS/Core/Include
-      ${SDK_DIR}/devices/${MCU_VARIANT}
-      ${SDK_DIR}/devices/${MCU_VARIANT}/drivers
-      ${SDK_DIR}/drivers/common
-      ${SDK_DIR}/drivers/gpio
-      ${SDK_DIR}/drivers/port
-      ${SDK_DIR}/drivers/smc
-      ${SDK_DIR}/drivers/sysmpu
-      ${SDK_DIR}/drivers/uart
-      )
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif ()

-    update_board(${BOARD_TARGET})
+  # LD_FILE and STARTUP_FILE can be defined in board.cmake
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  set(STARTUP_FILE_GNU ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/startup_${MCU_VARIANT}.S)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})

-    # LD_FILE and STARTUP_FILE can be defined in board.cmake
-    set(STARTUP_FILE_GNU ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/startup_${MCU_VARIANT}.S)
+  add_library(${BOARD_TARGET} STATIC
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    ${SDK_DIR}/drivers/gpio/fsl_gpio.c
+    ${SDK_DIR}/drivers/uart/fsl_uart.c
+    ${SDK_DIR}/devices/${MCU_VARIANT}/drivers/fsl_clock.c
+    ${SDK_DIR}/devices/${MCU_VARIANT}/system_${MCU_VARIANT}.c
+    )
+  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    __STARTUP_CLEAR_BSS
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMSIS_DIR}/CMSIS/Core/Include
+    ${SDK_DIR}/devices/${MCU_VARIANT}
+    ${SDK_DIR}/devices/${MCU_VARIANT}/drivers
+    ${SDK_DIR}/drivers/common
+    ${SDK_DIR}/drivers/gpio
+    ${SDK_DIR}/drivers/port
+    ${SDK_DIR}/drivers/smc
+    ${SDK_DIR}/drivers/sysmpu
+    ${SDK_DIR}/drivers/uart
+    )

-    target_sources(${BOARD_TARGET} PUBLIC
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      --specs=nosys.specs --specs=nano.specs
+      -nostartfiles
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
      )
-
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        # nanolib
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
  endif ()
 endfunction()

--- a/hw/bsp/kinetis_k/family.mk
+++ b/hw/bsp/kinetis_k/family.mk
@ -6,9 +6,12 @@ include $(TOP)/$(BOARD_PATH)/board.mk
 CPU_CORE ?= cortex-m4

 CFLAGS += \
+  -D__STARTUP_CLEAR_BSS \
  -DCFG_TUSB_MCU=OPT_MCU_KINETIS_K \

 LDFLAGS += \
+  -nostartfiles \
+  --specs=nosys.specs --specs=nano.specs \
  -Wl,--defsym,__stack_size__=0x400 \
  -Wl,--defsym,__heap_size__=0

--- a/hw/bsp/kinetis_kl/family.c
+++ b/hw/bsp/kinetis_kl/family.c
@ -141,3 +141,22 @@ uint32_t board_millis(void)
  return system_ticks;
 }
 #endif
+
+
+#ifndef __ICCARM__
+// Implement _start() since we use linker flag '-nostartfiles'.
+// Requires defined __STARTUP_CLEAR_BSS,
+extern int main(void);
+TU_ATTR_UNUSED void _start(void) {
+  // called by startup code
+  main();
+  while (1) {}
+}
+
+#ifdef __clang__
+void	_exit (int __status) {
+  while (1) {}
+}
+#endif
+
+#endif
--- a/hw/bsp/kinetis_kl/family.cmake
+++ b/hw/bsp/kinetis_kl/family.cmake
@ -26,7 +26,12 @@ function(add_board_target BOARD_TARGET)
    return()
  endif ()

+  # LD_FILE and STARTUP_FILE can be defined in board.cmake
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+
  add_library(${BOARD_TARGET} STATIC
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
    ${SDK_DIR}/drivers/gpio/fsl_gpio.c
    ${SDK_DIR}/drivers/lpsci/fsl_lpsci.c
    ${SDK_DIR}/drivers/uart/fsl_uart.c
@ -34,6 +39,7 @@ function(add_board_target BOARD_TARGET)
    ${SDK_DIR}/devices/${MCU_VARIANT}/system_${MCU_VARIANT}.c
    )
  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    __STARTUP_CLEAR_BSS
    )
  target_include_directories(${BOARD_TARGET} PUBLIC
    ${CMSIS_DIR}/CMSIS/Core/Include
@ -48,16 +54,15 @@ function(add_board_target BOARD_TARGET)
    )
  update_board(${BOARD_TARGET})

-  # LD_FILE and STARTUP_FILE can be defined in board.cmake
-  target_sources(${BOARD_TARGET} PUBLIC
-    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
-    )
-
  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
    target_link_options(${BOARD_TARGET} PUBLIC
      "LINKER:--script=${LD_FILE_GNU}"
-      # nanolib
      --specs=nosys.specs --specs=nano.specs
+      -nostartfiles
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
      )
  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
    target_link_options(${BOARD_TARGET} PUBLIC
@ -103,5 +108,4 @@ function(family_configure_example TARGET RTOS)

  # Flashing
  family_flash_jlink(${TARGET})
-  #family_flash_nxplink(${TARGET})
 endfunction()
--- a/hw/bsp/kinetis_kl/family.mk
+++ b/hw/bsp/kinetis_kl/family.mk
@ -6,9 +6,11 @@ include $(TOP)/$(BOARD_PATH)/board.mk
 CPU_CORE ?= cortex-m0plus

 CFLAGS += \
+  -D__STARTUP_CLEAR_BSS \
  -DCFG_TUSB_MCU=OPT_MCU_KINETIS_KL \

 LDFLAGS += \
+  -nostartfiles \
  -specs=nosys.specs -specs=nano.specs \
  -Wl,--defsym,__stack_size__=0x400 \
  -Wl,--defsym,__heap_size__=0
--- a/hw/bsp/lpc17/boards/lpcxpresso1769/lpc1769.ld
+++ b/hw/bsp/lpc17/boards/lpcxpresso1769/lpc1769.ld
@ -140,7 +140,7 @@ SECTIONS
        *(COMMON)
        . = ALIGN(4) ;
        _ebss = .;
-        PROVIDE(end = .);
+/*        PROVIDE(end = .);*/
    } > RamLoc32

    /* NOINIT section for RamAHB32 */
@ -159,18 +159,36 @@ SECTIONS
         . = ALIGN(4) ;
        _end_noinit = .;
    } > RamLoc32
-    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);
+
+    /* hathach add heap section for clang */
+    .heap (NOLOAD): {
+        __heap_start = .;
+        __HeapBase = .;
+        __heap_base = .;
+        __end = .;
+        PROVIDE(end = .);
+        PROVIDE(_end = .);
+        PROVIDE(__end__ = .);
+        KEEP(*(.heap*))
+        __HeapLimit = .;
+        __heap_limit = .;
+        __heap_end = .;
+    } > RamLoc32
+
+/*    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);*/
    PROVIDE(_vStackTop = DEFINED(__user_stack_top) ? __user_stack_top : __top_RamLoc32 - 0);

    /* ## Create checksum value (used in startup) ## */
+    /* This cause issue with clang linker, so it is disabled */
+    /* MemManage_Handler, BusFault_Handler, UsageFault_Handler may not be defined */
    PROVIDE(__valid_user_code_checksum = 0 -
                                         (_vStackTop
                                         + (ResetISR + 1)
                                         + (NMI_Handler + 1)
                                         + (HardFault_Handler + 1)
-                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)   /* MemManage_Handler may not be defined */
-                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)     /* BusFault_Handler may not be defined */
-                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1) /* UsageFault_Handler may not be defined */
+                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)
+                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)
+                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1)
                                         ) );

    /* Provide basic symbols giving location and size of main text
--- a/hw/bsp/lpc17/boards/mbed1768/lpc1768.ld
+++ b/hw/bsp/lpc17/boards/mbed1768/lpc1768.ld
@ -140,7 +140,7 @@ SECTIONS
        *(COMMON)
        . = ALIGN(4) ;
        _ebss = .;
-        PROVIDE(end = .);
+/*        PROVIDE(end = .);*/
    } > RamLoc32

    /* NOINIT section for RamAHB32 */
@ -159,18 +159,36 @@ SECTIONS
         . = ALIGN(4) ;
        _end_noinit = .;
    } > RamLoc32
-    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);
+
+    /* hathach add heap section for clang */
+    .heap (NOLOAD): {
+        __heap_start = .;
+        __HeapBase = .;
+        __heap_base = .;
+        __end = .;
+        PROVIDE(end = .);
+        PROVIDE(_end = .);
+        PROVIDE(__end__ = .);
+        KEEP(*(.heap*))
+        __HeapLimit = .;
+        __heap_limit = .;
+        __heap_end = .;
+    } > RamLoc32
+
+/*    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);*/
    PROVIDE(_vStackTop = DEFINED(__user_stack_top) ? __user_stack_top : __top_RamLoc32 - 0);

    /* ## Create checksum value (used in startup) ## */
+    /* This cause issue with clang linker, so it is disabled */
+    /* MemManage_Handler, BusFault_Handler, UsageFault_Handler may not be defined */
    PROVIDE(__valid_user_code_checksum = 0 -
                                         (_vStackTop
                                         + (ResetISR + 1)
                                         + (NMI_Handler + 1)
                                         + (HardFault_Handler + 1)
-                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)   /* MemManage_Handler may not be defined */
-                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)     /* BusFault_Handler may not be defined */
-                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1) /* UsageFault_Handler may not be defined */
+                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)
+                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)
+                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1)
                                         ) );

    /* Provide basic symbols giving location and size of main text
--- a/hw/bsp/lpc17/family.cmake
+++ b/hw/bsp/lpc17/family.cmake
@ -1,10 +1,7 @@
 include_guard()

-if (NOT BOARD)
-  message(FATAL_ERROR "BOARD not specified")
-endif ()
-
 set(SDK_DIR ${TOP}/hw/mcu/nxp/lpcopen/lpc175x_6x/lpc_chip_175x_6x)
+set(CMSIS_DIR ${TOP}/lib/CMSIS_5)

 # include board specific
 include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
@ -21,42 +18,46 @@ set(FAMILY_MCUS LPC175X_6X CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    add_library(${BOARD_TARGET} STATIC
-      ${SDK_DIR}/../gcc/cr_startup_lpc175x_6x.c
-      ${SDK_DIR}/src/chip_17xx_40xx.c
-      ${SDK_DIR}/src/clock_17xx_40xx.c
-      ${SDK_DIR}/src/gpio_17xx_40xx.c
-      ${SDK_DIR}/src/iocon_17xx_40xx.c
-      ${SDK_DIR}/src/sysctl_17xx_40xx.c
-      ${SDK_DIR}/src/sysinit_17xx_40xx.c
-      ${SDK_DIR}/src/uart_17xx_40xx.c
-      )
-    target_compile_options(${BOARD_TARGET} PUBLIC
-      -nostdlib
-      )
-    target_compile_definitions(${BOARD_TARGET} PUBLIC
-      __USE_LPCOPEN
-      CORE_M3
-      RTC_EV_SUPPORT=0
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${SDK_DIR}/inc
-      )
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif ()

-    update_board(${BOARD_TARGET})
+  add_library(${BOARD_TARGET} STATIC
+    ${SDK_DIR}/../gcc/cr_startup_lpc175x_6x.c
+    ${SDK_DIR}/src/chip_17xx_40xx.c
+    ${SDK_DIR}/src/clock_17xx_40xx.c
+    ${SDK_DIR}/src/gpio_17xx_40xx.c
+    ${SDK_DIR}/src/iocon_17xx_40xx.c
+    ${SDK_DIR}/src/sysctl_17xx_40xx.c
+    ${SDK_DIR}/src/sysinit_17xx_40xx.c
+    ${SDK_DIR}/src/uart_17xx_40xx.c
+    )
+  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    __USE_LPCOPEN
+    CORE_M3
+    RTC_EV_SUPPORT=0
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${SDK_DIR}/inc
+    ${CMSIS_DIR}/CMSIS/Core/Include
+    )

-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        # nanolib
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_compile_options(${BOARD_TARGET} PUBLIC -nostdlib)
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
  endif ()
 endfunction()

--- a/hw/bsp/lpc17/family.mk
+++ b/hw/bsp/lpc17/family.mk
@ -18,7 +18,7 @@ CFLAGS += -Wno-error=strict-prototypes -Wno-error=cast-qual
 # caused by freeRTOS port !!
 CFLAGS += -Wno-error=maybe-uninitialized

-LDFLAGS_GCC += -specs=nosys.specs -specs=nano.specs
+LDFLAGS_GCC += --specs=nosys.specs --specs=nano.specs

 SRC_C += \
 	src/portable/nxp/lpc17_40/dcd_lpc17_40.c \
@ -36,3 +36,4 @@ SRC_C += \
 INC += \
 	$(TOP)/$(BOARD_PATH) \
 	$(TOP)/$(MCU_DIR)/inc \
+	$(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
--- a/hw/bsp/lpc18/boards/lpcxpresso18s37/lpc1837.ld
+++ b/hw/bsp/lpc18/boards/lpcxpresso18s37/lpc1837.ld
@ -308,9 +308,24 @@ SECTIONS
        _ebss = .;
        PROVIDE(__end_bss_RAM = .) ;
        PROVIDE(__end_bss_RamLoc32 = .) ;
-        PROVIDE(end = .);
+/*        PROVIDE(end = .);*/
    } > RamLoc40 AT> RamLoc40 /* > RamLoc32 AT> RamLoc32 */

+    /* hathach add heap section for clang */
+    .heap (NOLOAD): {
+        __heap_start = .;
+        __HeapBase = .;
+        __heap_base = .;
+        __end = .;
+        PROVIDE(end = .);
+        PROVIDE(_end = .);
+        PROVIDE(__end__ = .);
+        KEEP(*(.heap*))
+        __HeapLimit = .;
+        __heap_limit = .;
+        __heap_end = .;
+    } > RamLoc40
+
    /* NOINIT section for RamLoc40 */
    .noinit_RAM2 (NOLOAD) : ALIGN(4)
    {
@ -379,19 +394,21 @@ SECTIONS
       PROVIDE(__end_noinit_RAM = .) ;
       PROVIDE(__end_noinit_RamLoc32 = .) ;
    } > RamLoc32 AT> RamLoc32
-    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);
+/*    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);*/
    PROVIDE(_vStackTop = DEFINED(__user_stack_top) ? __user_stack_top : __top_RamLoc32 - 0);

    /* ## Create checksum value (used in startup) ## */
-    PROVIDE(__valid_user_code_checksum = 0 -
-                                         (_vStackTop
-                                         + (ResetISR + 1)
-                                         + (NMI_Handler + 1)
-                                         + (HardFault_Handler + 1)
-                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)   /* MemManage_Handler may not be defined */
-                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)     /* BusFault_Handler may not be defined */
-                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1) /* UsageFault_Handler may not be defined */
-                                         ) );
+    /* This cause issue with clang linker, so it is disabled */
+    /* MemManage_Handler, BusFault_Handler, UsageFault_Handler may not be defined */
+/*    PROVIDE(__valid_user_code_checksum = 0 -*/
+/*                                         (_vStackTop*/
+/*                                         + (ResetISR + 1)*/
+/*                                         + (NMI_Handler + 1)*/
+/*                                         + (HardFault_Handler + 1)*/
+/*                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)*/
+/*                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)*/
+/*                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1)*/
+/*                                         ) );*/

    /* Provide basic symbols giving location and size of main text
     * block, including initial values of RW data sections. Note that
--- a/hw/bsp/lpc18/boards/mcb1800/lpc1857.ld
+++ b/hw/bsp/lpc18/boards/mcb1800/lpc1857.ld
@ -255,7 +255,7 @@ SECTIONS
        *(COMMON)
        . = ALIGN(4) ;
        _ebss = .;
-        PROVIDE(end = .);
+        /* PROVIDE(end = .); */
    } > RamLoc40 /* RamLoc32 */

    /* NOINIT section for RamLoc40 */
@ -266,6 +266,21 @@ SECTIONS
       . = ALIGN(4) ;
    } > RamLoc40

+    /* hathach add heap section for clang */
+    .heap (NOLOAD): {
+        __heap_start = .;
+        __HeapBase = .;
+        __heap_base = .;
+        __end = .;
+        PROVIDE(end = .);
+        PROVIDE(_end = .);
+        PROVIDE(__end__ = .);
+        KEEP(*(.heap*))
+        __HeapLimit = .;
+        __heap_limit = .;
+        __heap_end = .;
+    } > RamLoc40
+
    /* NOINIT section for RamAHB32 */
    .noinit_RAM3 (NOLOAD) : ALIGN(4)
    {
@ -298,19 +313,21 @@ SECTIONS
         . = ALIGN(4) ;
        _end_noinit = .;
    } > RamLoc32
-    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);
+/*    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);*/
    PROVIDE(_vStackTop = DEFINED(__user_stack_top) ? __user_stack_top : __top_RamLoc32 - 0);

    /* ## Create checksum value (used in startup) ## */
-    PROVIDE(__valid_user_code_checksum = 0 -
-                                         (_vStackTop
-                                         + (ResetISR + 1)
-                                         + (NMI_Handler + 1)
-                                         + (HardFault_Handler + 1)
-                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)   /* MemManage_Handler may not be defined */
-                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)     /* BusFault_Handler may not be defined */
-                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1) /* UsageFault_Handler may not be defined */
-                                         ) );
+    /* This cause issue with clang linker, so it is disabled */
+    /* MemManage_Handler, BusFault_Handler, UsageFault_Handler may not be defined */
+/*    PROVIDE(__valid_user_code_checksum = 0 -*/
+/*                                         (_vStackTop*/
+/*                                         + (ResetISR + 1)*/
+/*                                         + (NMI_Handler + 1)*/
+/*                                         + (HardFault_Handler + 1)*/
+/*                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)*/
+/*                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)*/
+/*                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1)*/
+/*                                         ) );*/

    /* Provide basic symbols giving location and size of main text
     * block, including initial values of RW data sections. Note that
--- a/hw/bsp/lpc18/family.cmake
+++ b/hw/bsp/lpc18/family.cmake
@ -1,10 +1,7 @@
 include_guard()

-if (NOT BOARD)
-  message(FATAL_ERROR "BOARD not specified")
-endif ()
-
 set(SDK_DIR ${TOP}/hw/mcu/nxp/lpcopen/lpc18xx/lpc_chip_18xx)
+set(CMSIS_5 ${TOP}/lib/CMSIS_5)

 # include board specific
 include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
@ -21,41 +18,44 @@ set(FAMILY_MCUS LPC18XX CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    add_library(${BOARD_TARGET} STATIC
-      ${SDK_DIR}/../gcc/cr_startup_lpc18xx.c
-      ${SDK_DIR}/src/chip_18xx_43xx.c
-      ${SDK_DIR}/src/clock_18xx_43xx.c
-      ${SDK_DIR}/src/gpio_18xx_43xx.c
-      ${SDK_DIR}/src/sysinit_18xx_43xx.c
-      ${SDK_DIR}/src/uart_18xx_43xx.c
-      )
-    target_compile_options(${BOARD_TARGET} PUBLIC
-      -nostdlib
-      )
-    target_compile_definitions(${BOARD_TARGET} PUBLIC
-      __USE_LPCOPEN
-      CORE_M3
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${SDK_DIR}/inc
-      ${SDK_DIR}/inc/config_18xx
-      )
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif ()

-    update_board(${BOARD_TARGET})
+  add_library(${BOARD_TARGET} STATIC
+    ${SDK_DIR}/../gcc/cr_startup_lpc18xx.c
+    ${SDK_DIR}/src/chip_18xx_43xx.c
+    ${SDK_DIR}/src/clock_18xx_43xx.c
+    ${SDK_DIR}/src/gpio_18xx_43xx.c
+    ${SDK_DIR}/src/sysinit_18xx_43xx.c
+    ${SDK_DIR}/src/uart_18xx_43xx.c
+    )
+  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    __USE_LPCOPEN
+    CORE_M3
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${SDK_DIR}/inc
+    ${SDK_DIR}/inc/config_18xx
+    ${CMSIS_5}/CMSIS/Core/Include
+    )

-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        # nanolib
-        --specs=nosys.specs
-        --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_compile_options(${BOARD_TARGET} PUBLIC -nostdlib)
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
  endif ()
 endfunction()

@ -97,5 +97,4 @@ function(family_configure_example TARGET RTOS)

  # Flashing
  family_flash_jlink(${TARGET})
-  #family_flash_nxplink(${TARGET})
 endfunction()
--- a/hw/bsp/lpc18/family.mk
+++ b/hw/bsp/lpc18/family.mk
@ -14,7 +14,7 @@ CFLAGS += \
 # mcu driver cause following warnings
 CFLAGS += -Wno-error=unused-parameter -Wno-error=strict-prototypes -Wno-error=cast-qual

-LDFLAGS_GCC += -specs=nosys.specs -specs=nano.specs
+LDFLAGS_GCC += --specs=nosys.specs --specs=nano.specs

 SRC_C += \
 	src/portable/chipidea/ci_hs/dcd_ci_hs.c \
@ -30,4 +30,5 @@ SRC_C += \
 INC += \
 	$(TOP)/$(BOARD_PATH) \
 	$(TOP)/$(MCU_DIR)/inc \
-	$(TOP)/$(MCU_DIR)/inc/config_18xx
+	$(TOP)/$(MCU_DIR)/inc/config_18xx \
+	$(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
--- a/hw/bsp/lpc40/boards/ea4088_quickstart/lpc4088.ld
+++ b/hw/bsp/lpc40/boards/ea4088_quickstart/lpc4088.ld
@ -140,7 +140,7 @@ SECTIONS
        *(COMMON)
        . = ALIGN(4) ;
        _ebss = .;
-        PROVIDE(end = .);
+/*        PROVIDE(end = .);*/
    } > RamLoc64

    /* NOINIT section for RamPeriph32 */
@ -159,7 +159,23 @@ SECTIONS
         . = ALIGN(4) ;
        _end_noinit = .;
    } > RamLoc64
-    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);
+
+    /* hathach add heap section for clang */
+    .heap (NOLOAD): {
+        __heap_start = .;
+        __HeapBase = .;
+        __heap_base = .;
+        __end = .;
+        PROVIDE(end = .);
+        PROVIDE(_end = .);
+        PROVIDE(__end__ = .);
+        KEEP(*(.heap*))
+        __HeapLimit = .;
+        __heap_limit = .;
+        __heap_end = .;
+    } > RamLoc64
+
+/*    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);*/
    PROVIDE(_vStackTop = DEFINED(__user_stack_top) ? __user_stack_top : __top_RamLoc64 - 0);

    /* ## Create checksum value (used in startup) ## */
--- a/hw/bsp/lpc40/family.cmake
+++ b/hw/bsp/lpc40/family.cmake
@ -1,6 +1,7 @@
 include_guard()

 set(SDK_DIR ${TOP}/hw/mcu/nxp/lpcopen/lpc40xx/lpc_chip_40xx)
+set(CMSIS_DIR ${TOP}/lib/CMSIS_5)

 # include board specific
 include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
@ -9,7 +10,7 @@ include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
 set(CMAKE_SYSTEM_PROCESSOR cortex-m4 CACHE INTERNAL "System Processor")
 set(CMAKE_TOOLCHAIN_FILE ${TOP}/examples/build_system/cmake/toolchain/arm_${TOOLCHAIN}.cmake)

-set(FAMILY_MCUS LPC18XX CACHE INTERNAL "")
+set(FAMILY_MCUS LPC40XX CACHE INTERNAL "")


 #------------------------------------
@ -32,9 +33,6 @@ function(add_board_target BOARD_TARGET)
    ${SDK_DIR}/src/sysinit_17xx_40xx.c
    ${SDK_DIR}/src/uart_17xx_40xx.c
    )
-  target_compile_options(${BOARD_TARGET} PUBLIC
-    -nostdlib
-    )
  target_compile_definitions(${BOARD_TARGET} PUBLIC
    __USE_LPCOPEN
    CORE_M4
@ -42,16 +40,20 @@ function(add_board_target BOARD_TARGET)
    )
  target_include_directories(${BOARD_TARGET} PUBLIC
    ${SDK_DIR}/inc
+    ${CMSIS_DIR}/CMSIS/Core/Include
    )

  update_board(${BOARD_TARGET})

  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_compile_options(${BOARD_TARGET} PUBLIC -nostdlib)
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
    target_link_options(${BOARD_TARGET} PUBLIC
      "LINKER:--script=${LD_FILE_GNU}"
-      # nanolib
-      --specs=nosys.specs
-      --specs=nano.specs
      )
  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
    target_link_options(${BOARD_TARGET} PUBLIC
--- a/hw/bsp/lpc40/family.mk
+++ b/hw/bsp/lpc40/family.mk
@ -15,7 +15,7 @@ CFLAGS += \
 # mcu driver cause following warnings
 CFLAGS += -Wno-error=strict-prototypes -Wno-error=unused-parameter -Wno-error=cast-qual

-LDFLAGS_GCC += -specs=nosys.specs -specs=nano.specs
+LDFLAGS_GCC += --specs=nosys.specs --specs=nano.specs

 # All source paths should be relative to the top level.
 SRC_C += \
@ -32,4 +32,5 @@ SRC_C += \

 INC += \
 	$(TOP)/$(MCU_DIR)/inc \
+	$(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
 	$(TOP)/$(BOARD_PATH)
--- a/Show More
+++ b/Show More
				`@ -0,0 +1 @@`
				`include ${TOP}/examples/build_system/make/toolchain/gcc_rules.mk`