Update examples + add CI

.ci/vcpkg-configuration.json

@@ -0,0 +1,18 @@
+{
+ "registries": [
+  {
+   "name": "arm",
+   "kind": "artifact",
+   "location": "https://artifacts.tools.arm.com/vcpkg-registry"
+  }
+ ],
+ "requires": {
+  "arm:tools/open-cmsis-pack/cmsis-toolbox": "^2.12.0",
+  "arm:compilers/arm/armclang": "^6.24.0",
+  "arm:compilers/arm/arm-none-eabi-gcc": "^14.3.1",
+  "arm:compilers/arm/llvm-embedded": "21.1.1",
+  "arm:models/arm/avh-fvp": "11.30.29",
+  "arm:tools/kitware/cmake": "^3.31.5",
+  "arm:tools/ninja-build/ninja": "^1.13.2"
+ }
+}

.github/workflows/Build_FVP_Audio.yml

@@ -0,0 +1,88 @@
+# Copyright 2026 Arm Limited and/or its affiliates.
+# 
+# SPDX-License-Identifier: Apache-2.0
+# 
+# Licensed under the Apache License, Version 2.0 (the License); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+# www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an AS IS BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Build FVP_Audio Example
+on:
+
+  workflow_dispatch:
+  pull_request:
+    paths:
+      # Execute workflow when PR modifies this file
+      - .github/workflows/Build_FVP_Audio.yml
+      # Execute workflow when PR modifies example directory
+      - example/FVP_Audio/**
+  push:
+    # Execute workflow when main branch is updated
+    branches: [main]
+
+  #schedule:
+  #  - cron: '00 20 * * 6'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  Build:
+    strategy:
+      matrix:
+        context: [
+          {proj: FVP_Audio,  build_type: Debug,   target_type: SSE-300},
+          {proj: FVP_Audio,  build_type: Release, target_type: SSE-300},
+
+          {proj: FVP_Audio,  build_type: Debug,   target_type: SSE-310},
+          {proj: FVP_Audio,  build_type: Release, target_type: SSE-310},
+
+          {proj: FVP_Audio,  build_type: Debug,   target_type: SSE-315},
+          {proj: FVP_Audio,  build_type: Release, target_type: SSE-315},
+
+          {proj: FVP_Audio,  build_type: Debug,   target_type: SSE-320},
+          {proj: FVP_Audio,  build_type: Release, target_type: SSE-320}
+        ]
+        toolchain: [AC6, GCC, CLANG]
+
+      fail-fast: false
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout current repository
+      uses: actions/checkout@v6
+
+    - name: Install tools
+      uses: ARM-software/cmsis-actions/vcpkg@v1
+      with:
+        config: ".ci/vcpkg-configuration.json"
+
+    - name: Activate Arm tool license
+      uses: ARM-software/cmsis-actions/armlm@v1
+
+    - name: Initialize CMSIS pack root folder
+      run: |
+        cpackget init https://www.keil.com/pack/index.pidx
+        cpackget update-index
+
+    - name: Add local CMSIS packs
+      run: |
+        cpackget add ./ARM.AVH_FVP.pdsc
+
+    - name: Build Test
+      working-directory: ./example/FVP_Audio
+      run: |
+        cbuild FVP_Audio.csolution.yml \
+               --context .${{matrix.context.build_type}}+${{matrix.context.target_type}} \
+               --toolchain ${{matrix.toolchain}} \
+               --update-rte --rebuild --packs

.github/workflows/Build_FVP_Video.yml

@@ -0,0 +1,88 @@
+# Copyright 2026 Arm Limited and/or its affiliates.
+# 
+# SPDX-License-Identifier: Apache-2.0
+# 
+# Licensed under the Apache License, Version 2.0 (the License); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+# www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an AS IS BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Build FVP_Video Example
+on:
+
+  workflow_dispatch:
+  pull_request:
+    paths:
+      # Execute workflow when PR modifies this file
+      - .github/workflows/Build_FVP_Video.yml
+      # Execute workflow when PR modifies example directory
+      - example/FVP_Video/**
+  push:
+    # Execute workflow when main branch is updated
+    branches: [main]
+
+  #schedule:
+  #  - cron: '00 20 * * 6'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  Build:
+    strategy:
+      matrix:
+        context: [
+          {proj: FVP_Video,  build_type: Debug,   target_type: SSE-300},
+          {proj: FVP_Video,  build_type: Release, target_type: SSE-300},
+
+          {proj: FVP_Video,  build_type: Debug,   target_type: SSE-310},
+          {proj: FVP_Video,  build_type: Release, target_type: SSE-310},
+
+          {proj: FVP_Video,  build_type: Debug,   target_type: SSE-315},
+          {proj: FVP_Video,  build_type: Release, target_type: SSE-315},
+
+          {proj: FVP_Video,  build_type: Debug,   target_type: SSE-320},
+          {proj: FVP_Video,  build_type: Release, target_type: SSE-320}
+        ]
+        toolchain: [AC6, GCC, CLANG]
+
+      fail-fast: false
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout current repository
+      uses: actions/checkout@v6
+
+    - name: Install tools
+      uses: ARM-software/cmsis-actions/vcpkg@v1
+      with:
+        config: ".ci/vcpkg-configuration.json"
+
+    - name: Activate Arm tool license
+      uses: ARM-software/cmsis-actions/armlm@v1
+
+    - name: Initialize CMSIS pack root folder
+      run: |
+        cpackget init https://www.keil.com/pack/index.pidx
+        cpackget update-index
+
+    - name: Add local CMSIS packs
+      run: |
+        cpackget add ./ARM.AVH_FVP.pdsc
+
+    - name: Build Test
+      working-directory: ./example/FVP_Video
+      run: |
+        cbuild FVP_Video.csolution.yml \
+               --context .${{matrix.context.build_type}}+${{matrix.context.target_type}} \
+               --toolchain ${{matrix.toolchain}} \
+               --update-rte --rebuild --packs

.github/workflows/Build_Run_FVP_Hello.yml

@@ -0,0 +1,127 @@
+# Copyright 2026 Arm Limited and/or its affiliates.
+# 
+# SPDX-License-Identifier: Apache-2.0
+# 
+# Licensed under the Apache License, Version 2.0 (the License); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+# www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an AS IS BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Build and Run FVP_Hello Example
+on:
+
+  workflow_dispatch:
+  pull_request:
+    paths:
+      # Execute workflow when PR modifies this file
+      - .github/workflows/Build_Run_FVP_Hello.yml
+      # Execute workflow when PR modifies example directory
+      - example/FVP_Hello/**
+  push:
+    # Execute workflow when main branch is updated
+    branches: [main]
+
+  #schedule:
+  #  - cron: '00 20 * * 6'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  Build_Run:
+    strategy:
+      matrix:
+        context: [
+          {proj: FVP_Hello,  build_type: Debug,   target_type: SSE-300, model: FVP_Corstone_SSE-300, layer: Corstone-300, mps: mps3},
+          {proj: FVP_Hello,  build_type: Release, target_type: SSE-300, model: FVP_Corstone_SSE-300, layer: Corstone-300, mps: mps3},
+
+          {proj: FVP_Hello,  build_type: Debug,   target_type: SSE-310, model: FVP_Corstone_SSE-310, layer: Corstone-310, mps: mps3},
+          {proj: FVP_Hello,  build_type: Release, target_type: SSE-310, model: FVP_Corstone_SSE-310, layer: Corstone-310, mps: mps3},
+
+          {proj: FVP_Hello,  build_type: Debug,   target_type: SSE-315, model: FVP_Corstone_SSE-315, layer: Corstone-315, mps: mps4},
+          {proj: FVP_Hello,  build_type: Release, target_type: SSE-315, model: FVP_Corstone_SSE-315, layer: Corstone-315, mps: mps4},
+
+          {proj: FVP_Hello,  build_type: Debug,   target_type: SSE-320, model: FVP_Corstone_SSE-320, layer: Corstone-320, mps: mps4},
+          {proj: FVP_Hello,  build_type: Release, target_type: SSE-320, model: FVP_Corstone_SSE-320, layer: Corstone-320, mps: mps4}
+        ]
+        toolchain: [
+          {name: AC6,   ext: axf},
+          {name: GCC,   ext: elf},
+          {name: CLANG, ext: elf}
+        ]
+
+      fail-fast: false
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout current repository
+      uses: actions/checkout@v6
+
+    - name: Install tools
+      uses: ARM-software/cmsis-actions/vcpkg@v1
+      with:
+        config: ".ci/vcpkg-configuration.json"
+
+    - name: Activate Arm tool license
+      uses: ARM-software/cmsis-actions/armlm@v1
+
+    - name: Initialize CMSIS pack root folder
+      run: |
+        cpackget init https://www.keil.com/pack/index.pidx
+        cpackget update-index
+
+    - name: Add local CMSIS packs
+      run: |
+        cpackget add ./ARM.AVH_FVP.pdsc
+
+    - name: Build example
+      working-directory: ./example/FVP_Hello
+      run: |
+        cbuild FVP_Hello.csolution.yml \
+               --context .${{matrix.context.build_type}}+${{matrix.context.target_type}} \
+               --toolchain ${{matrix.toolchain.name}} \
+               --update-rte --rebuild --packs
+
+    - name: Execute example
+      working-directory: ./example/FVP_Hello
+      run: |
+        ${{ matrix.context.model }} \
+        -a ./out/${{matrix.context.proj}}/${{matrix.context.target_type}}/${{matrix.context.build_type}}/${{matrix.context.proj}}.${{matrix.toolchain.ext}} \
+        -f ./board/${{matrix.context.layer}}/fvp_config.txt \
+        -C ${{matrix.context.mps}}_board.uart0.out_file=${{matrix.context.proj}}_${{matrix.context.build_type}}_${{matrix.context.target_type}}_${{matrix.toolchain.name}}.log \
+        --simlimit 30
+
+    - name: Show example output
+      working-directory: ./example/FVP_Hello
+      run: |
+        echo "FVP UART output:"
+        cat ${{matrix.context.proj}}_${{matrix.context.build_type}}_${{matrix.context.target_type}}_${{matrix.toolchain.name}}.log
+
+    - name: Check example output
+      # Disable SSE-320 output check due to known issue with FVP UART output
+      if: matrix.context.target_type != 'SSE-320'
+      working-directory: ./example/FVP_Hello
+      run: |
+        echo "Check FVP UART output:"
+        COUNT=$(grep "Hello World" ${{matrix.context.proj}}_${{matrix.context.build_type}}_${{matrix.context.target_type}}_${{matrix.toolchain.name}}.log | wc -l)
+        if [ "$COUNT" -eq 10 ]; then
+          echo "Passed"
+        else
+          echo "Failed"
+          exit 1
+        fi
+
+    - name: Upload FVP UART output log
+      uses: actions/upload-artifact@v6
+      with:
+        name: ${{matrix.context.proj}}_${{matrix.context.build_type}}_${{matrix.context.target_type}}_${{matrix.toolchain.name}}.log
+        path: ./example/FVP_Hello/${{matrix.context.proj}}_${{matrix.context.build_type}}_${{matrix.context.target_type}}_${{matrix.toolchain.name}}.log

board/Corstone-300/vsi/python/vsi_audio.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2025 Arm Limited. All rights reserved.
+# Copyright (c) 2025-2026 Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -88,14 +88,14 @@ def setMode(self, mode):
         """
         Set the mode of the audio stream (input/output).
         Args:
-            mode: 1 for input, 2 for output.
+            mode: 0 for input, 1 for output.
         Returns:
-            True if the mode is valid, False otherwise.
+            Current mode value (0=input, 1=output).
         """
         self.conn.send([self.SET_MODE, mode])
-        mode_valid = self.conn.recv()
+        current_mode = self.conn.recv()
 
-        return mode_valid
+        return current_mode
 
     def setDevice(self, device):
         """
@@ -214,13 +214,12 @@ def closeServer(self):
 CONTROL_ENABLE_Pos        = 0
 CONTROL_ENABLE_Msk        = 1<<CONTROL_ENABLE_Pos
 CONTROL_MODE_Pos          = 1
-CONTROL_MODE_Msk          = 3<<CONTROL_MODE_Pos
-CONTROL_CONTINUOUS_Pos    = 3
+CONTROL_MODE_Msk          = 1<<CONTROL_MODE_Pos
+CONTROL_CONTINUOUS_Pos    = 2
 CONTROL_CONTINUOUS_Msk    = 1<<CONTROL_CONTINUOUS_Pos
 
-CONTROL_MODE_NONE         = 0
-CONTROL_MODE_IN           = 1
-CONTROL_MODE_OUT          = 2
+CONTROL_MODE_IN           = 0
+CONTROL_MODE_OUT          = 1
 
 
 # STATUS register bit definitions
@@ -355,15 +354,13 @@ def wrCONTROL(value):
     global CONTROL, STATUS
 
     if ((value ^ CONTROL) & CONTROL_MODE_Msk) != 0:
-        # MODE changed
-        mode_valid = Audio.setMode((value & CONTROL_MODE_Msk) >> CONTROL_MODE_Pos)
-        if mode_valid:
-            logger.info("wrCONTROL: CONTROL register updated: MODE changed")
+        # MODE bit changed
+        if (value & CONTROL_MODE_Msk) != 0:
+            logger.info("wrCONTROL: CONTROL register updated: MODE bit set")
+            Audio.setMode(CONTROL_MODE_OUT)
         else:
-            # Reset Mode
-            Audio.setMode(0)
-            value &= ~CONTROL_MODE_Msk
-            logger.error("wrCONTROL: CONTROL register updated: MODE cleared")
+            logger.info("wrCONTROL: CONTROL register updated: MODE bit cleared")
+            Audio.setMode(CONTROL_MODE_IN)
 
     if ((value ^ CONTROL) & CONTROL_ENABLE_Msk) != 0:
         # ENABLE bit changed