Relocate NUCLEO_F401RE to targets and adopt generic BSP framework#50

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Merged
fdesbiens merged 4 commits into from
Aug 31, 2026
Merged

Relocate NUCLEO_F401RE to targets and adopt generic BSP framework #50

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f08678a
feat(nucleo): Relocate NUCLEO_F401RE into targets and migrate to gene…
ammarokla123 Aug 31, 2026
cadeb9f
Bounded the newlib heap to its linker reservation
fdesbiens Aug 31, 2026
dfce05a
Restored console error handling and the AI disclosure headers
fdesbiens Aug 31, 2026
2743bce
Pinned the ARM toolchain to GCC 14 and refreshed the target documenta…
fdesbiens Aug 31, 2026
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38 changes: 38 additions & 0 deletions .github/workflows/ci.yml
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -101,3 +101,41 @@ jobs:
- name: Run Deterministic Headless Renode Test
run: |
python3 targets/Microchip/POLARFIRE_ICICLE_RENODE/scripts/test_renode.py

build-arm-nucleo:
name: Build ST Nucleo-F401RE (ARM Cortex-M4)
runs-on: ubuntu-24.04
steps:
- name: Checkout Repository
uses: actions/checkout@v4
with:
submodules: recursive

- name: Install CMake and Ninja
run: |
sudo apt-get update
sudo apt-get install -y cmake ninja-build

- name: Install Pinned Arm GNU Toolchain 14.2.Rel1
run: |
wget -q https://developer.arm.com/-/media/Files/downloads/gnu/14.2.rel1/binrel/arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
mkdir -p $HOME/arm-gcc
tar -xJf arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz -C $HOME/arm-gcc --strip-components=1
rm arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
echo "$HOME/arm-gcc/bin" >> $GITHUB_PATH

- name: Build NUCLEO-F401RE Demo
run: |
bash targets/STMicroelectronics/NUCLEO_F401RE/scripts/build.sh --rebuild

- name: Verify NUCLEO-F401RE Demo ELF
run: |
test -f targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
echo "[OK] NUCLEO-F401RE demo ELF verified."

- name: Archive Built NUCLEO-F401RE ELF
uses: actions/upload-artifact@v4
with:
name: nucleo-f401re-demo-elf
path: targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
retention-days: 1
20 changes: 0 additions & 20 deletions STMicroelectronics/NUCLEO_F401RE/app/common/board_init.h
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52 changes: 0 additions & 52 deletions STMicroelectronics/NUCLEO_F401RE/app/common/console.c
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80 changes: 0 additions & 80 deletions STMicroelectronics/NUCLEO_F401RE/app/common/newlib_syscalls.c
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27 changes: 0 additions & 27 deletions STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/CMakeLists.txt
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42 changes: 0 additions & 42 deletions STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.c
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25 changes: 0 additions & 25 deletions STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.h
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8 changes: 6 additions & 2 deletions ...oelectronics/NUCLEO_F401RE/CMakeLists.txt → ...oelectronics/NUCLEO_F401RE/CMakeLists.txt
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Original file line numberDiff line numberDiff line change
Expand Up@@ -20,10 +20,14 @@ project(nucleo_f401re C ASM)

enable_language(ASM)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD 99)

set(SAMPLEX_ROOT_DIR
${CMAKE_CURRENT_LIST_DIR}/../../..
)

set(SHARED_LIB_DIR
${CMAKE_CURRENT_LIST_DIR}/../../libs
${SAMPLEX_ROOT_DIR}/libs
)

list(APPEND CMAKE_MODULE_PATH
Expand Down
0 STMicroelectronics/NUCLEO_F401RE/NOTICE.md → ...TMicroelectronics/NUCLEO_F401RE/NOTICE.md
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16 changes: 9 additions & 7 deletions STMicroelectronics/NUCLEO_F401RE/README.md → ...TMicroelectronics/NUCLEO_F401RE/README.md
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Original file line numberDiff line numberDiff line change
Expand Up@@ -34,7 +34,7 @@ arm-none-eabi-objdump --version
```

### CMake-Based Build
From the `STMicroelectronics/NUCLEO_F401RE` directory:
From the `targets/STMicroelectronics/NUCLEO_F401RE` directory:

```bash
cmake -Bbuild -GNinja -DCMAKE_TOOLCHAIN_FILE=cmake/arm-gcc-cortex-m4.cmake .
Expand DownExpand Up@@ -120,17 +120,19 @@ The BSP separates the ThreadX scheduler tick from the STM32 HAL timebase to avoi

ThreadX requires exclusive ownership of the SysTick exception for scheduler operation. To avoid conflicts, the STM32 HAL timebase is implemented using TIM2 instead of the default SysTick source.

The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `board_init.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.
The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `lib/bsp/src/bsp_board.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.


## File Organization

- **`app/`**: Main application logic and boot setups
- **`app/common/`**: Console serial driver and board configurations
- **`app/common/`**: Vendor HAL MSP hooks and boot sources
- **`app/common/startup/`**: Linker scripts and assembly boot startup code
- **`app/starter/`**: Demo main thread logic
- **`lib/`**: Libraries and dependencies
- **`lib/nucleo_bsp/`**: Board specific support libraries (LD2 LED)
- **`lib/bsp/`**: Board support implementing the generic `<bsp/*.h>` interfaces
(`bsp_board.c` clocks and HAL timebase, `bsp_led.c` LD2, `bsp_console.c`
USART2, `newlib_stubs.c` newlib syscall overrides)
- **`lib/stm32cubef4/`**: HAL Driver wrapper and platform drivers
- **`lib/threadx/`**: ThreadX user configuration file (`tx_user.h`)
- **`cmake/`**: Cross-compilation module definitions
Expand All@@ -140,9 +142,9 @@ The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and pro
## Validation Record

### Verification Environment
- **Toolchain**: Arm GNU Toolchain 15.2.Rel1 (GCC 15.2.1)
- **Static ROM usage**: 18244 Bytes (3.48% of 512 KB Flash)
- **Static RAM usage**: 5632 Bytes (5.73% of 96 KB RAM)
- **Toolchain**: Arm GNU Toolchain 14.2.Rel1 (GCC 14.2.1), the version pinned by CI
- **Static ROM usage**: 20120 Bytes (3.84% of 512 KB Flash)
- **Static RAM usage**: 6000 Bytes (6.10% of 96 KB RAM)
- **Dynamic Stack & Buffer allocation**: Stacks (8 x 1024 bytes) and Queue buffer (40 bytes) are dynamically allocated from the `TX_BYTE_POOL` (consuming 8312 bytes total, including pool headers).
- **Board Hardware**: NUCLEO-F401RE

Expand Down
20 changes: 7 additions & 13 deletions ...ctronics/NUCLEO_F401RE/app/CMakeLists.txt → ...ctronics/NUCLEO_F401RE/app/CMakeLists.txt
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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,14 +6,8 @@
#
# SPDX-License-Identifier: MIT

if(NOT APP_CONFIG)
set(APP_CONFIG "starter")
endif()

message(STATUS "Building application with configuration: ${APP_CONFIG}")

set(COMMON_DIR ${CMAKE_CURRENT_SOURCE_DIR}/common)
set(CONFIG_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${APP_CONFIG})
set(STARTER_DIR ${CMAKE_CURRENT_SOURCE_DIR}/starter)

set(SOURCES
${COMMON_DIR}/startup/system_stm32f4xx.c
Expand All@@ -22,11 +16,11 @@ set(SOURCES

${COMMON_DIR}/stm32cubef4/stm32f4xx_hal_msp.c

${COMMON_DIR}/board_init.c
${COMMON_DIR}/console.c
${COMMON_DIR}/newlib_syscalls.c

${CONFIG_DIR}/main.c
# Newlib syscall overrides. Compiled into the executable rather than into
# libnucleo_bsp.a so the linker always takes these definitions instead of
# falling back to the libnosys stubs.
${CMAKE_CURRENT_SOURCE_DIR}/../lib/bsp/src/newlib_stubs.c
${STARTER_DIR}/main.c
)

add_executable(${PROJECT_NAME} ${SOURCES})
Expand All@@ -41,7 +35,7 @@ target_link_libraries(${PROJECT_NAME}
target_include_directories(${PROJECT_NAME}
PUBLIC
${COMMON_DIR}
${CONFIG_DIR}
${STARTER_DIR}
)

# Linker script
Expand Down
0 ...cs/NUCLEO_F401RE/app/common/sntp_client.c → ...cs/NUCLEO_F401RE/app/common/sntp_client.c
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Open in desktop
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Loading
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
Relocate NUCLEO_F401RE to targets and adopt generic BSP framework#50

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Sign in
to your account

 Merged

fdesbiens
merged 4 commits into

from

Aug 31, 2026
 Merged


Relocate NUCLEO_F401RE to targets and adopt generic BSP framework
#50
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f08678a

feat(nucleo): Relocate NUCLEO_F401RE into targets and migrate to gene…


ammarokla123 Aug 31, 2026
cadeb9f

Bounded the newlib heap to its linker reservation


fdesbiens Aug 31, 2026
dfce05a

Restored console error handling and the AI disclosure headers


fdesbiens Aug 31, 2026
2743bce

Pinned the ARM toolchain to GCC 14 and refreshed the target documenta…


fdesbiens Aug 31, 2026

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38 changes: 38 additions & 0 deletions
.github/workflows/ci.yml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -101,3 +101,41 @@ jobs:
 - name: Run Deterministic Headless Renode Test
 run: |
 python3 targets/Microchip/POLARFIRE_ICICLE_RENODE/scripts/test_renode.py

 build-arm-nucleo:
 name: Build ST Nucleo-F401RE (ARM Cortex-M4)
 runs-on: ubuntu-24.04
 steps:
 - name: Checkout Repository
 uses: actions/checkout@v4
 with:
 submodules: recursive

 - name: Install CMake and Ninja
 run: |
 sudo apt-get update
 sudo apt-get install -y cmake ninja-build

 - name: Install Pinned Arm GNU Toolchain 14.2.Rel1
 run: |
 wget -q https://developer.arm.com/-/media/Files/downloads/gnu/14.2.rel1/binrel/arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 mkdir -p $HOME/arm-gcc
 tar -xJf arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz -C $HOME/arm-gcc --strip-components=1
 rm arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 echo "$HOME/arm-gcc/bin" >> $GITHUB_PATH

 - name: Build NUCLEO-F401RE Demo
 run: |
 bash targets/STMicroelectronics/NUCLEO_F401RE/scripts/build.sh --rebuild

 - name: Verify NUCLEO-F401RE Demo ELF
 run: |
 test -f targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 echo "[OK] NUCLEO-F401RE demo ELF verified."

 - name: Archive Built NUCLEO-F401RE ELF
 uses: actions/upload-artifact@v4
 with:
 name: nucleo-f401re-demo-elf
 path: targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 retention-days: 1

20 changes: 0 additions & 20 deletions
STMicroelectronics/NUCLEO_F401RE/app/common/board_init.h

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STMicroelectronics/NUCLEO_F401RE/app/common/console.c

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STMicroelectronics/NUCLEO_F401RE/app/common/newlib_syscalls.c

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/CMakeLists.txt

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.c

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.h

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8 changes: 6 additions & 2 deletions
...oelectronics/NUCLEO_F401RE/CMakeLists.txt → ...oelectronics/NUCLEO_F401RE/CMakeLists.txt

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Original file line numberDiff line numberDiff line change
Expand Up@@ -20,10 +20,14 @@ project(nucleo_f401re C ASM)

enable_language(ASM)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD 99)

set(SAMPLEX_ROOT_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../..
)

set(SHARED_LIB_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../libs
 ${SAMPLEX_ROOT_DIR}/libs
)

list(APPEND CMAKE_MODULE_PATH
Expand Down

0
STMicroelectronics/NUCLEO_F401RE/NOTICE.md → ...TMicroelectronics/NUCLEO_F401RE/NOTICE.md

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16 changes: 9 additions & 7 deletions
STMicroelectronics/NUCLEO_F401RE/README.md → ...TMicroelectronics/NUCLEO_F401RE/README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -34,7 +34,7 @@ arm-none-eabi-objdump --version
```

### CMake-Based Build
From the `STMicroelectronics/NUCLEO_F401RE` directory:
From the `targets/STMicroelectronics/NUCLEO_F401RE` directory:

```bash
cmake -Bbuild -GNinja -DCMAKE_TOOLCHAIN_FILE=cmake/arm-gcc-cortex-m4.cmake .
Expand DownExpand Up@@ -120,17 +120,19 @@ The BSP separates the ThreadX scheduler tick from the STM32 HAL timebase to avoi

ThreadX requires exclusive ownership of the SysTick exception for scheduler operation. To avoid conflicts, the STM32 HAL timebase is implemented using TIM2 instead of the default SysTick source.

The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `board_init.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.
The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `lib/bsp/src/bsp_board.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.


## File Organization

- **`app/`**: Main application logic and boot setups
 - **`app/common/`**: Console serial driver and board configurations
 - **`app/common/`**: Vendor HAL MSP hooks and boot sources
 - **`app/common/startup/`**: Linker scripts and assembly boot startup code
 - **`app/starter/`**: Demo main thread logic
- **`lib/`**: Libraries and dependencies
 - **`lib/nucleo_bsp/`**: Board specific support libraries (LD2 LED)
 - **`lib/bsp/`**: Board support implementing the generic `<bsp/*.h>` interfaces
 (`bsp_board.c` clocks and HAL timebase, `bsp_led.c` LD2, `bsp_console.c`
 USART2, `newlib_stubs.c` newlib syscall overrides)
 - **`lib/stm32cubef4/`**: HAL Driver wrapper and platform drivers
 - **`lib/threadx/`**: ThreadX user configuration file (`tx_user.h`)
- **`cmake/`**: Cross-compilation module definitions
Expand All@@ -140,9 +142,9 @@ The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and pro
## Validation Record

### Verification Environment
- **Toolchain**: Arm GNU Toolchain 15.2.Rel1 (GCC 15.2.1)
- **Static ROM usage**: 18244 Bytes (3.48% of 512 KB Flash)
- **Static RAM usage**: 5632 Bytes (5.73% of 96 KB RAM)
- **Toolchain**: Arm GNU Toolchain 14.2.Rel1 (GCC 14.2.1), the version pinned by CI
- **Static ROM usage**: 20120 Bytes (3.84% of 512 KB Flash)
- **Static RAM usage**: 6000 Bytes (6.10% of 96 KB RAM)
- **Dynamic Stack & Buffer allocation**: Stacks (8 x 1024 bytes) and Queue buffer (40 bytes) are dynamically allocated from the `TX_BYTE_POOL` (consuming 8312 bytes total, including pool headers).
- **Board Hardware**: NUCLEO-F401RE

Expand Down

20 changes: 7 additions & 13 deletions
...ctronics/NUCLEO_F401RE/app/CMakeLists.txt → ...ctronics/NUCLEO_F401RE/app/CMakeLists.txt

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -6,14 +6,8 @@
# 
# SPDX-License-Identifier: MIT

if(NOT APP_CONFIG)
 set(APP_CONFIG "starter")
endif()

message(STATUS "Building application with configuration: ${APP_CONFIG}")

set(COMMON_DIR ${CMAKE_CURRENT_SOURCE_DIR}/common)
set(CONFIG_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${APP_CONFIG})
set(STARTER_DIR ${CMAKE_CURRENT_SOURCE_DIR}/starter)

set(SOURCES
 ${COMMON_DIR}/startup/system_stm32f4xx.c
Expand All@@ -22,11 +16,11 @@ set(SOURCES

 ${COMMON_DIR}/stm32cubef4/stm32f4xx_hal_msp.c

${COMMON_DIR}/board_init.c
${COMMON_DIR}/console.c
${COMMON_DIR}/newlib_syscalls.c

 ${CONFIG_DIR}/main.c
# Newlib syscall overrides. Compiled into the executable rather than into
# libnucleo_bsp.a so the linker always takes these definitions instead of
# falling back to the libnosys stubs.
 ${CMAKE_CURRENT_SOURCE_DIR}/../lib/bsp/src/newlib_stubs.c
 ${STARTER_DIR}/main.c
)

add_executable(${PROJECT_NAME} ${SOURCES})
Expand All@@ -41,7 +35,7 @@ target_link_libraries(${PROJECT_NAME}
target_include_directories(${PROJECT_NAME}
 PUBLIC
 ${COMMON_DIR}
 ${CONFIG_DIR}
 ${STARTER_DIR}
)

# Linker script
Expand Down

0
...cs/NUCLEO_F401RE/app/common/sntp_client.c → ...cs/NUCLEO_F401RE/app/common/sntp_client.c

View file


Open in desktop


File renamed without changes.

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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Relocate NUCLEO_F401RE to targets and adopt generic BSP framework#50

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
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 Merged

fdesbiens
merged 4 commits into

from

Aug 31, 2026
 Merged


Relocate NUCLEO_F401RE to targets and adopt generic BSP framework
#50
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f08678a

feat(nucleo): Relocate NUCLEO_F401RE into targets and migrate to gene…


ammarokla123 Aug 31, 2026
cadeb9f

Bounded the newlib heap to its linker reservation


fdesbiens Aug 31, 2026
dfce05a

Restored console error handling and the AI disclosure headers


fdesbiens Aug 31, 2026
2743bce

Pinned the ARM toolchain to GCC 14 and refreshed the target documenta…


fdesbiens Aug 31, 2026

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38 changes: 38 additions & 0 deletions
.github/workflows/ci.yml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -101,3 +101,41 @@ jobs:
 - name: Run Deterministic Headless Renode Test
 run: |
 python3 targets/Microchip/POLARFIRE_ICICLE_RENODE/scripts/test_renode.py

 build-arm-nucleo:
 name: Build ST Nucleo-F401RE (ARM Cortex-M4)
 runs-on: ubuntu-24.04
 steps:
 - name: Checkout Repository
 uses: actions/checkout@v4
 with:
 submodules: recursive

 - name: Install CMake and Ninja
 run: |
 sudo apt-get update
 sudo apt-get install -y cmake ninja-build

 - name: Install Pinned Arm GNU Toolchain 14.2.Rel1
 run: |
 wget -q https://developer.arm.com/-/media/Files/downloads/gnu/14.2.rel1/binrel/arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 mkdir -p $HOME/arm-gcc
 tar -xJf arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz -C $HOME/arm-gcc --strip-components=1
 rm arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 echo "$HOME/arm-gcc/bin" >> $GITHUB_PATH

 - name: Build NUCLEO-F401RE Demo
 run: |
 bash targets/STMicroelectronics/NUCLEO_F401RE/scripts/build.sh --rebuild

 - name: Verify NUCLEO-F401RE Demo ELF
 run: |
 test -f targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 echo "[OK] NUCLEO-F401RE demo ELF verified."

 - name: Archive Built NUCLEO-F401RE ELF
 uses: actions/upload-artifact@v4
 with:
 name: nucleo-f401re-demo-elf
 path: targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 retention-days: 1

20 changes: 0 additions & 20 deletions
STMicroelectronics/NUCLEO_F401RE/app/common/board_init.h

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STMicroelectronics/NUCLEO_F401RE/app/common/console.c

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STMicroelectronics/NUCLEO_F401RE/app/common/newlib_syscalls.c

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/CMakeLists.txt

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.c

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.h

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...oelectronics/NUCLEO_F401RE/CMakeLists.txt → ...oelectronics/NUCLEO_F401RE/CMakeLists.txt

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Original file line numberDiff line numberDiff line change
Expand Up@@ -20,10 +20,14 @@ project(nucleo_f401re C ASM)

enable_language(ASM)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD 99)

set(SAMPLEX_ROOT_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../..
)

set(SHARED_LIB_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../libs
 ${SAMPLEX_ROOT_DIR}/libs
)

list(APPEND CMAKE_MODULE_PATH
Expand Down

0
STMicroelectronics/NUCLEO_F401RE/NOTICE.md → ...TMicroelectronics/NUCLEO_F401RE/NOTICE.md

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16 changes: 9 additions & 7 deletions
STMicroelectronics/NUCLEO_F401RE/README.md → ...TMicroelectronics/NUCLEO_F401RE/README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -34,7 +34,7 @@ arm-none-eabi-objdump --version
```

### CMake-Based Build
From the `STMicroelectronics/NUCLEO_F401RE` directory:
From the `targets/STMicroelectronics/NUCLEO_F401RE` directory:

```bash
cmake -Bbuild -GNinja -DCMAKE_TOOLCHAIN_FILE=cmake/arm-gcc-cortex-m4.cmake .
Expand DownExpand Up@@ -120,17 +120,19 @@ The BSP separates the ThreadX scheduler tick from the STM32 HAL timebase to avoi

ThreadX requires exclusive ownership of the SysTick exception for scheduler operation. To avoid conflicts, the STM32 HAL timebase is implemented using TIM2 instead of the default SysTick source.

The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `board_init.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.
The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `lib/bsp/src/bsp_board.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.


## File Organization

- **`app/`**: Main application logic and boot setups
 - **`app/common/`**: Console serial driver and board configurations
 - **`app/common/`**: Vendor HAL MSP hooks and boot sources
 - **`app/common/startup/`**: Linker scripts and assembly boot startup code
 - **`app/starter/`**: Demo main thread logic
- **`lib/`**: Libraries and dependencies
 - **`lib/nucleo_bsp/`**: Board specific support libraries (LD2 LED)
 - **`lib/bsp/`**: Board support implementing the generic `<bsp/*.h>` interfaces
 (`bsp_board.c` clocks and HAL timebase, `bsp_led.c` LD2, `bsp_console.c`
 USART2, `newlib_stubs.c` newlib syscall overrides)
 - **`lib/stm32cubef4/`**: HAL Driver wrapper and platform drivers
 - **`lib/threadx/`**: ThreadX user configuration file (`tx_user.h`)
- **`cmake/`**: Cross-compilation module definitions
Expand All@@ -140,9 +142,9 @@ The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and pro
## Validation Record

### Verification Environment
- **Toolchain**: Arm GNU Toolchain 15.2.Rel1 (GCC 15.2.1)
- **Static ROM usage**: 18244 Bytes (3.48% of 512 KB Flash)
- **Static RAM usage**: 5632 Bytes (5.73% of 96 KB RAM)
- **Toolchain**: Arm GNU Toolchain 14.2.Rel1 (GCC 14.2.1), the version pinned by CI
- **Static ROM usage**: 20120 Bytes (3.84% of 512 KB Flash)
- **Static RAM usage**: 6000 Bytes (6.10% of 96 KB RAM)
- **Dynamic Stack & Buffer allocation**: Stacks (8 x 1024 bytes) and Queue buffer (40 bytes) are dynamically allocated from the `TX_BYTE_POOL` (consuming 8312 bytes total, including pool headers).
- **Board Hardware**: NUCLEO-F401RE

Expand Down

20 changes: 7 additions & 13 deletions
...ctronics/NUCLEO_F401RE/app/CMakeLists.txt → ...ctronics/NUCLEO_F401RE/app/CMakeLists.txt

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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,14 +6,8 @@
# 
# SPDX-License-Identifier: MIT

if(NOT APP_CONFIG)
 set(APP_CONFIG "starter")
endif()

message(STATUS "Building application with configuration: ${APP_CONFIG}")

set(COMMON_DIR ${CMAKE_CURRENT_SOURCE_DIR}/common)
set(CONFIG_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${APP_CONFIG})
set(STARTER_DIR ${CMAKE_CURRENT_SOURCE_DIR}/starter)

set(SOURCES
 ${COMMON_DIR}/startup/system_stm32f4xx.c
Expand All@@ -22,11 +16,11 @@ set(SOURCES

 ${COMMON_DIR}/stm32cubef4/stm32f4xx_hal_msp.c

${COMMON_DIR}/board_init.c
${COMMON_DIR}/console.c
${COMMON_DIR}/newlib_syscalls.c

 ${CONFIG_DIR}/main.c
# Newlib syscall overrides. Compiled into the executable rather than into
# libnucleo_bsp.a so the linker always takes these definitions instead of
# falling back to the libnosys stubs.
 ${CMAKE_CURRENT_SOURCE_DIR}/../lib/bsp/src/newlib_stubs.c
 ${STARTER_DIR}/main.c
)

add_executable(${PROJECT_NAME} ${SOURCES})
Expand All@@ -41,7 +35,7 @@ target_link_libraries(${PROJECT_NAME}
target_include_directories(${PROJECT_NAME}
 PUBLIC
 ${COMMON_DIR}
 ${CONFIG_DIR}
 ${STARTER_DIR}
)

# Linker script
Expand Down

0
...cs/NUCLEO_F401RE/app/common/sntp_client.c → ...cs/NUCLEO_F401RE/app/common/sntp_client.c

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Open in desktop


File renamed without changes.

Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Relocate NUCLEO_F401RE to targets and adopt generic BSP framework#50

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 Merged

fdesbiens
merged 4 commits into

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Aug 31, 2026
 Merged


Relocate NUCLEO_F401RE to targets and adopt generic BSP framework
#50
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f08678a

feat(nucleo): Relocate NUCLEO_F401RE into targets and migrate to gene…


ammarokla123 Aug 31, 2026
cadeb9f

Bounded the newlib heap to its linker reservation


fdesbiens Aug 31, 2026
dfce05a

Restored console error handling and the AI disclosure headers


fdesbiens Aug 31, 2026
2743bce

Pinned the ARM toolchain to GCC 14 and refreshed the target documenta…


fdesbiens Aug 31, 2026

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38 changes: 38 additions & 0 deletions
.github/workflows/ci.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -101,3 +101,41 @@ jobs:
 - name: Run Deterministic Headless Renode Test
 run: |
 python3 targets/Microchip/POLARFIRE_ICICLE_RENODE/scripts/test_renode.py

 build-arm-nucleo:
 name: Build ST Nucleo-F401RE (ARM Cortex-M4)
 runs-on: ubuntu-24.04
 steps:
 - name: Checkout Repository
 uses: actions/checkout@v4
 with:
 submodules: recursive

 - name: Install CMake and Ninja
 run: |
 sudo apt-get update
 sudo apt-get install -y cmake ninja-build

 - name: Install Pinned Arm GNU Toolchain 14.2.Rel1
 run: |
 wget -q https://developer.arm.com/-/media/Files/downloads/gnu/14.2.rel1/binrel/arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 mkdir -p $HOME/arm-gcc
 tar -xJf arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz -C $HOME/arm-gcc --strip-components=1
 rm arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 echo "$HOME/arm-gcc/bin" >> $GITHUB_PATH

 - name: Build NUCLEO-F401RE Demo
 run: |
 bash targets/STMicroelectronics/NUCLEO_F401RE/scripts/build.sh --rebuild

 - name: Verify NUCLEO-F401RE Demo ELF
 run: |
 test -f targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 echo "[OK] NUCLEO-F401RE demo ELF verified."

 - name: Archive Built NUCLEO-F401RE ELF
 uses: actions/upload-artifact@v4
 with:
 name: nucleo-f401re-demo-elf
 path: targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 retention-days: 1

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STMicroelectronics/NUCLEO_F401RE/app/common/board_init.h

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STMicroelectronics/NUCLEO_F401RE/app/common/console.c

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STMicroelectronics/NUCLEO_F401RE/app/common/newlib_syscalls.c

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...oelectronics/NUCLEO_F401RE/CMakeLists.txt → ...oelectronics/NUCLEO_F401RE/CMakeLists.txt

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Original file line numberDiff line numberDiff line change
Expand Up@@ -20,10 +20,14 @@ project(nucleo_f401re C ASM)

enable_language(ASM)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD 99)

set(SAMPLEX_ROOT_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../..
)

set(SHARED_LIB_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../libs
 ${SAMPLEX_ROOT_DIR}/libs
)

list(APPEND CMAKE_MODULE_PATH
Expand Down

0
STMicroelectronics/NUCLEO_F401RE/NOTICE.md → ...TMicroelectronics/NUCLEO_F401RE/NOTICE.md

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16 changes: 9 additions & 7 deletions
STMicroelectronics/NUCLEO_F401RE/README.md → ...TMicroelectronics/NUCLEO_F401RE/README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -34,7 +34,7 @@ arm-none-eabi-objdump --version
```

### CMake-Based Build
From the `STMicroelectronics/NUCLEO_F401RE` directory:
From the `targets/STMicroelectronics/NUCLEO_F401RE` directory:

```bash
cmake -Bbuild -GNinja -DCMAKE_TOOLCHAIN_FILE=cmake/arm-gcc-cortex-m4.cmake .
Expand DownExpand Up@@ -120,17 +120,19 @@ The BSP separates the ThreadX scheduler tick from the STM32 HAL timebase to avoi

ThreadX requires exclusive ownership of the SysTick exception for scheduler operation. To avoid conflicts, the STM32 HAL timebase is implemented using TIM2 instead of the default SysTick source.

The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `board_init.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.
The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `lib/bsp/src/bsp_board.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.


## File Organization

- **`app/`**: Main application logic and boot setups
 - **`app/common/`**: Console serial driver and board configurations
 - **`app/common/`**: Vendor HAL MSP hooks and boot sources
 - **`app/common/startup/`**: Linker scripts and assembly boot startup code
 - **`app/starter/`**: Demo main thread logic
- **`lib/`**: Libraries and dependencies
 - **`lib/nucleo_bsp/`**: Board specific support libraries (LD2 LED)
 - **`lib/bsp/`**: Board support implementing the generic `<bsp/*.h>` interfaces
 (`bsp_board.c` clocks and HAL timebase, `bsp_led.c` LD2, `bsp_console.c`
 USART2, `newlib_stubs.c` newlib syscall overrides)
 - **`lib/stm32cubef4/`**: HAL Driver wrapper and platform drivers
 - **`lib/threadx/`**: ThreadX user configuration file (`tx_user.h`)
- **`cmake/`**: Cross-compilation module definitions
Expand All@@ -140,9 +142,9 @@ The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and pro
## Validation Record

### Verification Environment
- **Toolchain**: Arm GNU Toolchain 15.2.Rel1 (GCC 15.2.1)
- **Static ROM usage**: 18244 Bytes (3.48% of 512 KB Flash)
- **Static RAM usage**: 5632 Bytes (5.73% of 96 KB RAM)
- **Toolchain**: Arm GNU Toolchain 14.2.Rel1 (GCC 14.2.1), the version pinned by CI
- **Static ROM usage**: 20120 Bytes (3.84% of 512 KB Flash)
- **Static RAM usage**: 6000 Bytes (6.10% of 96 KB RAM)
- **Dynamic Stack & Buffer allocation**: Stacks (8 x 1024 bytes) and Queue buffer (40 bytes) are dynamically allocated from the `TX_BYTE_POOL` (consuming 8312 bytes total, including pool headers).
- **Board Hardware**: NUCLEO-F401RE

Expand Down

20 changes: 7 additions & 13 deletions
...ctronics/NUCLEO_F401RE/app/CMakeLists.txt → ...ctronics/NUCLEO_F401RE/app/CMakeLists.txt

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -6,14 +6,8 @@
# 
# SPDX-License-Identifier: MIT

if(NOT APP_CONFIG)
 set(APP_CONFIG "starter")
endif()

message(STATUS "Building application with configuration: ${APP_CONFIG}")

set(COMMON_DIR ${CMAKE_CURRENT_SOURCE_DIR}/common)
set(CONFIG_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${APP_CONFIG})
set(STARTER_DIR ${CMAKE_CURRENT_SOURCE_DIR}/starter)

set(SOURCES
 ${COMMON_DIR}/startup/system_stm32f4xx.c
Expand All@@ -22,11 +16,11 @@ set(SOURCES

 ${COMMON_DIR}/stm32cubef4/stm32f4xx_hal_msp.c

${COMMON_DIR}/board_init.c
${COMMON_DIR}/console.c
${COMMON_DIR}/newlib_syscalls.c

 ${CONFIG_DIR}/main.c
# Newlib syscall overrides. Compiled into the executable rather than into
# libnucleo_bsp.a so the linker always takes these definitions instead of
# falling back to the libnosys stubs.
 ${CMAKE_CURRENT_SOURCE_DIR}/../lib/bsp/src/newlib_stubs.c
 ${STARTER_DIR}/main.c
)

add_executable(${PROJECT_NAME} ${SOURCES})
Expand All@@ -41,7 +35,7 @@ target_link_libraries(${PROJECT_NAME}
target_include_directories(${PROJECT_NAME}
 PUBLIC
 ${COMMON_DIR}
 ${CONFIG_DIR}
 ${STARTER_DIR}
)

# Linker script
Expand Down

0
...cs/NUCLEO_F401RE/app/common/sntp_client.c → ...cs/NUCLEO_F401RE/app/common/sntp_client.c

View file


Open in desktop


File renamed without changes.

Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
Relocate NUCLEO_F401RE to targets and adopt generic BSP framework#50

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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privacy statement. We’ll occasionally send you account related emails.

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 Merged

fdesbiens
merged 4 commits into

from

Aug 31, 2026
 Merged


Relocate NUCLEO_F401RE to targets and adopt generic BSP framework
#50
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Hold shift + click to select a range
f08678a

feat(nucleo): Relocate NUCLEO_F401RE into targets and migrate to gene…


ammarokla123 Aug 31, 2026
cadeb9f

Bounded the newlib heap to its linker reservation


fdesbiens Aug 31, 2026
dfce05a

Restored console error handling and the AI disclosure headers


fdesbiens Aug 31, 2026
2743bce

Pinned the ARM toolchain to GCC 14 and refreshed the target documenta…


fdesbiens Aug 31, 2026

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38 changes: 38 additions & 0 deletions
.github/workflows/ci.yml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -101,3 +101,41 @@ jobs:
 - name: Run Deterministic Headless Renode Test
 run: |
 python3 targets/Microchip/POLARFIRE_ICICLE_RENODE/scripts/test_renode.py

 build-arm-nucleo:
 name: Build ST Nucleo-F401RE (ARM Cortex-M4)
 runs-on: ubuntu-24.04
 steps:
 - name: Checkout Repository
 uses: actions/checkout@v4
 with:
 submodules: recursive

 - name: Install CMake and Ninja
 run: |
 sudo apt-get update
 sudo apt-get install -y cmake ninja-build

 - name: Install Pinned Arm GNU Toolchain 14.2.Rel1
 run: |
 wget -q https://developer.arm.com/-/media/Files/downloads/gnu/14.2.rel1/binrel/arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 mkdir -p $HOME/arm-gcc
 tar -xJf arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz -C $HOME/arm-gcc --strip-components=1
 rm arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 echo "$HOME/arm-gcc/bin" >> $GITHUB_PATH

 - name: Build NUCLEO-F401RE Demo
 run: |
 bash targets/STMicroelectronics/NUCLEO_F401RE/scripts/build.sh --rebuild

 - name: Verify NUCLEO-F401RE Demo ELF
 run: |
 test -f targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 echo "[OK] NUCLEO-F401RE demo ELF verified."

 - name: Archive Built NUCLEO-F401RE ELF
 uses: actions/upload-artifact@v4
 with:
 name: nucleo-f401re-demo-elf
 path: targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 retention-days: 1

20 changes: 0 additions & 20 deletions
STMicroelectronics/NUCLEO_F401RE/app/common/board_init.h

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STMicroelectronics/NUCLEO_F401RE/app/common/console.c

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STMicroelectronics/NUCLEO_F401RE/app/common/newlib_syscalls.c

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/CMakeLists.txt

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.c

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.h

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8 changes: 6 additions & 2 deletions
...oelectronics/NUCLEO_F401RE/CMakeLists.txt → ...oelectronics/NUCLEO_F401RE/CMakeLists.txt

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -20,10 +20,14 @@ project(nucleo_f401re C ASM)

enable_language(ASM)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD 99)

set(SAMPLEX_ROOT_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../..
)

set(SHARED_LIB_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../libs
 ${SAMPLEX_ROOT_DIR}/libs
)

list(APPEND CMAKE_MODULE_PATH
Expand Down

0
STMicroelectronics/NUCLEO_F401RE/NOTICE.md → ...TMicroelectronics/NUCLEO_F401RE/NOTICE.md

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File renamed without changes.


16 changes: 9 additions & 7 deletions
STMicroelectronics/NUCLEO_F401RE/README.md → ...TMicroelectronics/NUCLEO_F401RE/README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -34,7 +34,7 @@ arm-none-eabi-objdump --version
```

### CMake-Based Build
From the `STMicroelectronics/NUCLEO_F401RE` directory:
From the `targets/STMicroelectronics/NUCLEO_F401RE` directory:

```bash
cmake -Bbuild -GNinja -DCMAKE_TOOLCHAIN_FILE=cmake/arm-gcc-cortex-m4.cmake .
Expand DownExpand Up@@ -120,17 +120,19 @@ The BSP separates the ThreadX scheduler tick from the STM32 HAL timebase to avoi

ThreadX requires exclusive ownership of the SysTick exception for scheduler operation. To avoid conflicts, the STM32 HAL timebase is implemented using TIM2 instead of the default SysTick source.

The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `board_init.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.
The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `lib/bsp/src/bsp_board.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.


## File Organization

- **`app/`**: Main application logic and boot setups
 - **`app/common/`**: Console serial driver and board configurations
 - **`app/common/`**: Vendor HAL MSP hooks and boot sources
 - **`app/common/startup/`**: Linker scripts and assembly boot startup code
 - **`app/starter/`**: Demo main thread logic
- **`lib/`**: Libraries and dependencies
 - **`lib/nucleo_bsp/`**: Board specific support libraries (LD2 LED)
 - **`lib/bsp/`**: Board support implementing the generic `<bsp/*.h>` interfaces
 (`bsp_board.c` clocks and HAL timebase, `bsp_led.c` LD2, `bsp_console.c`
 USART2, `newlib_stubs.c` newlib syscall overrides)
 - **`lib/stm32cubef4/`**: HAL Driver wrapper and platform drivers
 - **`lib/threadx/`**: ThreadX user configuration file (`tx_user.h`)
- **`cmake/`**: Cross-compilation module definitions
Expand All@@ -140,9 +142,9 @@ The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and pro
## Validation Record

### Verification Environment
- **Toolchain**: Arm GNU Toolchain 15.2.Rel1 (GCC 15.2.1)
- **Static ROM usage**: 18244 Bytes (3.48% of 512 KB Flash)
- **Static RAM usage**: 5632 Bytes (5.73% of 96 KB RAM)
- **Toolchain**: Arm GNU Toolchain 14.2.Rel1 (GCC 14.2.1), the version pinned by CI
- **Static ROM usage**: 20120 Bytes (3.84% of 512 KB Flash)
- **Static RAM usage**: 6000 Bytes (6.10% of 96 KB RAM)
- **Dynamic Stack & Buffer allocation**: Stacks (8 x 1024 bytes) and Queue buffer (40 bytes) are dynamically allocated from the `TX_BYTE_POOL` (consuming 8312 bytes total, including pool headers).
- **Board Hardware**: NUCLEO-F401RE

Expand Down

20 changes: 7 additions & 13 deletions
...ctronics/NUCLEO_F401RE/app/CMakeLists.txt → ...ctronics/NUCLEO_F401RE/app/CMakeLists.txt

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -6,14 +6,8 @@
# 
# SPDX-License-Identifier: MIT

if(NOT APP_CONFIG)
 set(APP_CONFIG "starter")
endif()

message(STATUS "Building application with configuration: ${APP_CONFIG}")

set(COMMON_DIR ${CMAKE_CURRENT_SOURCE_DIR}/common)
set(CONFIG_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${APP_CONFIG})
set(STARTER_DIR ${CMAKE_CURRENT_SOURCE_DIR}/starter)

set(SOURCES
 ${COMMON_DIR}/startup/system_stm32f4xx.c
Expand All@@ -22,11 +16,11 @@ set(SOURCES

 ${COMMON_DIR}/stm32cubef4/stm32f4xx_hal_msp.c

${COMMON_DIR}/board_init.c
${COMMON_DIR}/console.c
${COMMON_DIR}/newlib_syscalls.c

 ${CONFIG_DIR}/main.c
# Newlib syscall overrides. Compiled into the executable rather than into
# libnucleo_bsp.a so the linker always takes these definitions instead of
# falling back to the libnosys stubs.
 ${CMAKE_CURRENT_SOURCE_DIR}/../lib/bsp/src/newlib_stubs.c
 ${STARTER_DIR}/main.c
)

add_executable(${PROJECT_NAME} ${SOURCES})
Expand All@@ -41,7 +35,7 @@ target_link_libraries(${PROJECT_NAME}
target_include_directories(${PROJECT_NAME}
 PUBLIC
 ${COMMON_DIR}
 ${CONFIG_DIR}
 ${STARTER_DIR}
)

# Linker script
Expand Down

0
...cs/NUCLEO_F401RE/app/common/sntp_client.c → ...cs/NUCLEO_F401RE/app/common/sntp_client.c

View file


Open in desktop


File renamed without changes.

Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Relocate NUCLEO_F401RE to targets and adopt generic BSP framework#50

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 Merged

fdesbiens
merged 4 commits into

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Aug 31, 2026
 Merged


Relocate NUCLEO_F401RE to targets and adopt generic BSP framework
#50
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f08678a

feat(nucleo): Relocate NUCLEO_F401RE into targets and migrate to gene…


ammarokla123 Aug 31, 2026
cadeb9f

Bounded the newlib heap to its linker reservation


fdesbiens Aug 31, 2026
dfce05a

Restored console error handling and the AI disclosure headers


fdesbiens Aug 31, 2026
2743bce

Pinned the ARM toolchain to GCC 14 and refreshed the target documenta…


fdesbiens Aug 31, 2026

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38 changes: 38 additions & 0 deletions
.github/workflows/ci.yml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -101,3 +101,41 @@ jobs:
 - name: Run Deterministic Headless Renode Test
 run: |
 python3 targets/Microchip/POLARFIRE_ICICLE_RENODE/scripts/test_renode.py

 build-arm-nucleo:
 name: Build ST Nucleo-F401RE (ARM Cortex-M4)
 runs-on: ubuntu-24.04
 steps:
 - name: Checkout Repository
 uses: actions/checkout@v4
 with:
 submodules: recursive

 - name: Install CMake and Ninja
 run: |
 sudo apt-get update
 sudo apt-get install -y cmake ninja-build

 - name: Install Pinned Arm GNU Toolchain 14.2.Rel1
 run: |
 wget -q https://developer.arm.com/-/media/Files/downloads/gnu/14.2.rel1/binrel/arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 mkdir -p $HOME/arm-gcc
 tar -xJf arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz -C $HOME/arm-gcc --strip-components=1
 rm arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 echo "$HOME/arm-gcc/bin" >> $GITHUB_PATH

 - name: Build NUCLEO-F401RE Demo
 run: |
 bash targets/STMicroelectronics/NUCLEO_F401RE/scripts/build.sh --rebuild

 - name: Verify NUCLEO-F401RE Demo ELF
 run: |
 test -f targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 echo "[OK] NUCLEO-F401RE demo ELF verified."

 - name: Archive Built NUCLEO-F401RE ELF
 uses: actions/upload-artifact@v4
 with:
 name: nucleo-f401re-demo-elf
 path: targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 retention-days: 1

20 changes: 0 additions & 20 deletions
STMicroelectronics/NUCLEO_F401RE/app/common/board_init.h

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STMicroelectronics/NUCLEO_F401RE/app/common/console.c

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STMicroelectronics/NUCLEO_F401RE/app/common/newlib_syscalls.c

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/CMakeLists.txt

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.c

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.h

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8 changes: 6 additions & 2 deletions
...oelectronics/NUCLEO_F401RE/CMakeLists.txt → ...oelectronics/NUCLEO_F401RE/CMakeLists.txt

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Original file line numberDiff line numberDiff line change
Expand Up@@ -20,10 +20,14 @@ project(nucleo_f401re C ASM)

enable_language(ASM)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD 99)

set(SAMPLEX_ROOT_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../..
)

set(SHARED_LIB_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../libs
 ${SAMPLEX_ROOT_DIR}/libs
)

list(APPEND CMAKE_MODULE_PATH
Expand Down

0
STMicroelectronics/NUCLEO_F401RE/NOTICE.md → ...TMicroelectronics/NUCLEO_F401RE/NOTICE.md

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16 changes: 9 additions & 7 deletions
STMicroelectronics/NUCLEO_F401RE/README.md → ...TMicroelectronics/NUCLEO_F401RE/README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -34,7 +34,7 @@ arm-none-eabi-objdump --version
```

### CMake-Based Build
From the `STMicroelectronics/NUCLEO_F401RE` directory:
From the `targets/STMicroelectronics/NUCLEO_F401RE` directory:

```bash
cmake -Bbuild -GNinja -DCMAKE_TOOLCHAIN_FILE=cmake/arm-gcc-cortex-m4.cmake .
Expand DownExpand Up@@ -120,17 +120,19 @@ The BSP separates the ThreadX scheduler tick from the STM32 HAL timebase to avoi

ThreadX requires exclusive ownership of the SysTick exception for scheduler operation. To avoid conflicts, the STM32 HAL timebase is implemented using TIM2 instead of the default SysTick source.

The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `board_init.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.
The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `lib/bsp/src/bsp_board.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.


## File Organization

- **`app/`**: Main application logic and boot setups
 - **`app/common/`**: Console serial driver and board configurations
 - **`app/common/`**: Vendor HAL MSP hooks and boot sources
 - **`app/common/startup/`**: Linker scripts and assembly boot startup code
 - **`app/starter/`**: Demo main thread logic
- **`lib/`**: Libraries and dependencies
 - **`lib/nucleo_bsp/`**: Board specific support libraries (LD2 LED)
 - **`lib/bsp/`**: Board support implementing the generic `<bsp/*.h>` interfaces
 (`bsp_board.c` clocks and HAL timebase, `bsp_led.c` LD2, `bsp_console.c`
 USART2, `newlib_stubs.c` newlib syscall overrides)
 - **`lib/stm32cubef4/`**: HAL Driver wrapper and platform drivers
 - **`lib/threadx/`**: ThreadX user configuration file (`tx_user.h`)
- **`cmake/`**: Cross-compilation module definitions
Expand All@@ -140,9 +142,9 @@ The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and pro
## Validation Record

### Verification Environment
- **Toolchain**: Arm GNU Toolchain 15.2.Rel1 (GCC 15.2.1)
- **Static ROM usage**: 18244 Bytes (3.48% of 512 KB Flash)
- **Static RAM usage**: 5632 Bytes (5.73% of 96 KB RAM)
- **Toolchain**: Arm GNU Toolchain 14.2.Rel1 (GCC 14.2.1), the version pinned by CI
- **Static ROM usage**: 20120 Bytes (3.84% of 512 KB Flash)
- **Static RAM usage**: 6000 Bytes (6.10% of 96 KB RAM)
- **Dynamic Stack & Buffer allocation**: Stacks (8 x 1024 bytes) and Queue buffer (40 bytes) are dynamically allocated from the `TX_BYTE_POOL` (consuming 8312 bytes total, including pool headers).
- **Board Hardware**: NUCLEO-F401RE

Expand Down

20 changes: 7 additions & 13 deletions
...ctronics/NUCLEO_F401RE/app/CMakeLists.txt → ...ctronics/NUCLEO_F401RE/app/CMakeLists.txt

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -6,14 +6,8 @@
# 
# SPDX-License-Identifier: MIT

if(NOT APP_CONFIG)
 set(APP_CONFIG "starter")
endif()

message(STATUS "Building application with configuration: ${APP_CONFIG}")

set(COMMON_DIR ${CMAKE_CURRENT_SOURCE_DIR}/common)
set(CONFIG_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${APP_CONFIG})
set(STARTER_DIR ${CMAKE_CURRENT_SOURCE_DIR}/starter)

set(SOURCES
 ${COMMON_DIR}/startup/system_stm32f4xx.c
Expand All@@ -22,11 +16,11 @@ set(SOURCES

 ${COMMON_DIR}/stm32cubef4/stm32f4xx_hal_msp.c

${COMMON_DIR}/board_init.c
${COMMON_DIR}/console.c
${COMMON_DIR}/newlib_syscalls.c

 ${CONFIG_DIR}/main.c
# Newlib syscall overrides. Compiled into the executable rather than into
# libnucleo_bsp.a so the linker always takes these definitions instead of
# falling back to the libnosys stubs.
 ${CMAKE_CURRENT_SOURCE_DIR}/../lib/bsp/src/newlib_stubs.c
 ${STARTER_DIR}/main.c
)

add_executable(${PROJECT_NAME} ${SOURCES})
Expand All@@ -41,7 +35,7 @@ target_link_libraries(${PROJECT_NAME}
target_include_directories(${PROJECT_NAME}
 PUBLIC
 ${COMMON_DIR}
 ${CONFIG_DIR}
 ${STARTER_DIR}
)

# Linker script
Expand Down

0
...cs/NUCLEO_F401RE/app/common/sntp_client.c → ...cs/NUCLEO_F401RE/app/common/sntp_client.c

View file


Open in desktop


File renamed without changes.

Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Relocate NUCLEO_F401RE to targets and adopt generic BSP framework#50

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privacy statement. We’ll occasionally send you account related emails.

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 Merged

fdesbiens
merged 4 commits into

from

Aug 31, 2026
 Merged


Relocate NUCLEO_F401RE to targets and adopt generic BSP framework
#50
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f08678a

feat(nucleo): Relocate NUCLEO_F401RE into targets and migrate to gene…


ammarokla123 Aug 31, 2026
cadeb9f

Bounded the newlib heap to its linker reservation


fdesbiens Aug 31, 2026
dfce05a

Restored console error handling and the AI disclosure headers


fdesbiens Aug 31, 2026
2743bce

Pinned the ARM toolchain to GCC 14 and refreshed the target documenta…


fdesbiens Aug 31, 2026

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38 changes: 38 additions & 0 deletions
.github/workflows/ci.yml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -101,3 +101,41 @@ jobs:
 - name: Run Deterministic Headless Renode Test
 run: |
 python3 targets/Microchip/POLARFIRE_ICICLE_RENODE/scripts/test_renode.py

 build-arm-nucleo:
 name: Build ST Nucleo-F401RE (ARM Cortex-M4)
 runs-on: ubuntu-24.04
 steps:
 - name: Checkout Repository
 uses: actions/checkout@v4
 with:
 submodules: recursive

 - name: Install CMake and Ninja
 run: |
 sudo apt-get update
 sudo apt-get install -y cmake ninja-build

 - name: Install Pinned Arm GNU Toolchain 14.2.Rel1
 run: |
 wget -q https://developer.arm.com/-/media/Files/downloads/gnu/14.2.rel1/binrel/arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 mkdir -p $HOME/arm-gcc
 tar -xJf arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz -C $HOME/arm-gcc --strip-components=1
 rm arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 echo "$HOME/arm-gcc/bin" >> $GITHUB_PATH

 - name: Build NUCLEO-F401RE Demo
 run: |
 bash targets/STMicroelectronics/NUCLEO_F401RE/scripts/build.sh --rebuild

 - name: Verify NUCLEO-F401RE Demo ELF
 run: |
 test -f targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 echo "[OK] NUCLEO-F401RE demo ELF verified."

 - name: Archive Built NUCLEO-F401RE ELF
 uses: actions/upload-artifact@v4
 with:
 name: nucleo-f401re-demo-elf
 path: targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 retention-days: 1

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STMicroelectronics/NUCLEO_F401RE/app/common/board_init.h

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STMicroelectronics/NUCLEO_F401RE/app/common/console.c

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STMicroelectronics/NUCLEO_F401RE/app/common/newlib_syscalls.c

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/CMakeLists.txt

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...oelectronics/NUCLEO_F401RE/CMakeLists.txt → ...oelectronics/NUCLEO_F401RE/CMakeLists.txt

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -20,10 +20,14 @@ project(nucleo_f401re C ASM)

enable_language(ASM)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD 99)

set(SAMPLEX_ROOT_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../..
)

set(SHARED_LIB_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../libs
 ${SAMPLEX_ROOT_DIR}/libs
)

list(APPEND CMAKE_MODULE_PATH
Expand Down

0
STMicroelectronics/NUCLEO_F401RE/NOTICE.md → ...TMicroelectronics/NUCLEO_F401RE/NOTICE.md

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File renamed without changes.


16 changes: 9 additions & 7 deletions
STMicroelectronics/NUCLEO_F401RE/README.md → ...TMicroelectronics/NUCLEO_F401RE/README.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -34,7 +34,7 @@ arm-none-eabi-objdump --version
```

### CMake-Based Build
From the `STMicroelectronics/NUCLEO_F401RE` directory:
From the `targets/STMicroelectronics/NUCLEO_F401RE` directory:

```bash
cmake -Bbuild -GNinja -DCMAKE_TOOLCHAIN_FILE=cmake/arm-gcc-cortex-m4.cmake .
Expand DownExpand Up@@ -120,17 +120,19 @@ The BSP separates the ThreadX scheduler tick from the STM32 HAL timebase to avoi

ThreadX requires exclusive ownership of the SysTick exception for scheduler operation. To avoid conflicts, the STM32 HAL timebase is implemented using TIM2 instead of the default SysTick source.

The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `board_init.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.
The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `lib/bsp/src/bsp_board.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.


## File Organization

- **`app/`**: Main application logic and boot setups
 - **`app/common/`**: Console serial driver and board configurations
 - **`app/common/`**: Vendor HAL MSP hooks and boot sources
 - **`app/common/startup/`**: Linker scripts and assembly boot startup code
 - **`app/starter/`**: Demo main thread logic
- **`lib/`**: Libraries and dependencies
 - **`lib/nucleo_bsp/`**: Board specific support libraries (LD2 LED)
 - **`lib/bsp/`**: Board support implementing the generic `<bsp/*.h>` interfaces
 (`bsp_board.c` clocks and HAL timebase, `bsp_led.c` LD2, `bsp_console.c`
 USART2, `newlib_stubs.c` newlib syscall overrides)
 - **`lib/stm32cubef4/`**: HAL Driver wrapper and platform drivers
 - **`lib/threadx/`**: ThreadX user configuration file (`tx_user.h`)
- **`cmake/`**: Cross-compilation module definitions
Expand All@@ -140,9 +142,9 @@ The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and pro
## Validation Record

### Verification Environment
- **Toolchain**: Arm GNU Toolchain 15.2.Rel1 (GCC 15.2.1)
- **Static ROM usage**: 18244 Bytes (3.48% of 512 KB Flash)
- **Static RAM usage**: 5632 Bytes (5.73% of 96 KB RAM)
- **Toolchain**: Arm GNU Toolchain 14.2.Rel1 (GCC 14.2.1), the version pinned by CI
- **Static ROM usage**: 20120 Bytes (3.84% of 512 KB Flash)
- **Static RAM usage**: 6000 Bytes (6.10% of 96 KB RAM)
- **Dynamic Stack & Buffer allocation**: Stacks (8 x 1024 bytes) and Queue buffer (40 bytes) are dynamically allocated from the `TX_BYTE_POOL` (consuming 8312 bytes total, including pool headers).
- **Board Hardware**: NUCLEO-F401RE

Expand Down

20 changes: 7 additions & 13 deletions
...ctronics/NUCLEO_F401RE/app/CMakeLists.txt → ...ctronics/NUCLEO_F401RE/app/CMakeLists.txt

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -6,14 +6,8 @@
# 
# SPDX-License-Identifier: MIT

if(NOT APP_CONFIG)
 set(APP_CONFIG "starter")
endif()

message(STATUS "Building application with configuration: ${APP_CONFIG}")

set(COMMON_DIR ${CMAKE_CURRENT_SOURCE_DIR}/common)
set(CONFIG_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${APP_CONFIG})
set(STARTER_DIR ${CMAKE_CURRENT_SOURCE_DIR}/starter)

set(SOURCES
 ${COMMON_DIR}/startup/system_stm32f4xx.c
Expand All@@ -22,11 +16,11 @@ set(SOURCES

 ${COMMON_DIR}/stm32cubef4/stm32f4xx_hal_msp.c

${COMMON_DIR}/board_init.c
${COMMON_DIR}/console.c
${COMMON_DIR}/newlib_syscalls.c

 ${CONFIG_DIR}/main.c
# Newlib syscall overrides. Compiled into the executable rather than into
# libnucleo_bsp.a so the linker always takes these definitions instead of
# falling back to the libnosys stubs.
 ${CMAKE_CURRENT_SOURCE_DIR}/../lib/bsp/src/newlib_stubs.c
 ${STARTER_DIR}/main.c
)

add_executable(${PROJECT_NAME} ${SOURCES})
Expand All@@ -41,7 +35,7 @@ target_link_libraries(${PROJECT_NAME}
target_include_directories(${PROJECT_NAME}
 PUBLIC
 ${COMMON_DIR}
 ${CONFIG_DIR}
 ${STARTER_DIR}
)

# Linker script
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Relocate NUCLEO_F401RE to targets and adopt generic BSP framework#50

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 Merged

fdesbiens
merged 4 commits into

from

Aug 31, 2026
 Merged


Relocate NUCLEO_F401RE to targets and adopt generic BSP framework
#50
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f08678a

feat(nucleo): Relocate NUCLEO_F401RE into targets and migrate to gene…


ammarokla123 Aug 31, 2026
cadeb9f

Bounded the newlib heap to its linker reservation


fdesbiens Aug 31, 2026
dfce05a

Restored console error handling and the AI disclosure headers


fdesbiens Aug 31, 2026
2743bce

Pinned the ARM toolchain to GCC 14 and refreshed the target documenta…


fdesbiens Aug 31, 2026

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38 changes: 38 additions & 0 deletions
.github/workflows/ci.yml

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Expand Up@@ -101,3 +101,41 @@ jobs:
 - name: Run Deterministic Headless Renode Test
 run: |
 python3 targets/Microchip/POLARFIRE_ICICLE_RENODE/scripts/test_renode.py

 build-arm-nucleo:
 name: Build ST Nucleo-F401RE (ARM Cortex-M4)
 runs-on: ubuntu-24.04
 steps:
 - name: Checkout Repository
 uses: actions/checkout@v4
 with:
 submodules: recursive

 - name: Install CMake and Ninja
 run: |
 sudo apt-get update
 sudo apt-get install -y cmake ninja-build

 - name: Install Pinned Arm GNU Toolchain 14.2.Rel1
 run: |
 wget -q https://developer.arm.com/-/media/Files/downloads/gnu/14.2.rel1/binrel/arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 mkdir -p $HOME/arm-gcc
 tar -xJf arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz -C $HOME/arm-gcc --strip-components=1
 rm arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
 echo "$HOME/arm-gcc/bin" >> $GITHUB_PATH

 - name: Build NUCLEO-F401RE Demo
 run: |
 bash targets/STMicroelectronics/NUCLEO_F401RE/scripts/build.sh --rebuild

 - name: Verify NUCLEO-F401RE Demo ELF
 run: |
 test -f targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 echo "[OK] NUCLEO-F401RE demo ELF verified."

 - name: Archive Built NUCLEO-F401RE ELF
 uses: actions/upload-artifact@v4
 with:
 name: nucleo-f401re-demo-elf
 path: targets/STMicroelectronics/NUCLEO_F401RE/build/app/nucleo_f401re.elf
 retention-days: 1

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STMicroelectronics/NUCLEO_F401RE/app/common/board_init.h

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STMicroelectronics/NUCLEO_F401RE/app/common/console.c

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STMicroelectronics/NUCLEO_F401RE/app/common/newlib_syscalls.c

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/CMakeLists.txt

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.c

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STMicroelectronics/NUCLEO_F401RE/lib/nucleo_bsp/nucleo_bsp.h

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...oelectronics/NUCLEO_F401RE/CMakeLists.txt → ...oelectronics/NUCLEO_F401RE/CMakeLists.txt

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Expand Up@@ -20,10 +20,14 @@ project(nucleo_f401re C ASM)

enable_language(ASM)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD 99)

set(SAMPLEX_ROOT_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../..
)

set(SHARED_LIB_DIR
 ${CMAKE_CURRENT_LIST_DIR}/../../libs
 ${SAMPLEX_ROOT_DIR}/libs
)

list(APPEND CMAKE_MODULE_PATH
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STMicroelectronics/NUCLEO_F401RE/NOTICE.md → ...TMicroelectronics/NUCLEO_F401RE/NOTICE.md

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STMicroelectronics/NUCLEO_F401RE/README.md → ...TMicroelectronics/NUCLEO_F401RE/README.md

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Expand Up@@ -34,7 +34,7 @@ arm-none-eabi-objdump --version
```

### CMake-Based Build
From the `STMicroelectronics/NUCLEO_F401RE` directory:
From the `targets/STMicroelectronics/NUCLEO_F401RE` directory:

```bash
cmake -Bbuild -GNinja -DCMAKE_TOOLCHAIN_FILE=cmake/arm-gcc-cortex-m4.cmake .
Expand DownExpand Up@@ -120,17 +120,19 @@ The BSP separates the ThreadX scheduler tick from the STM32 HAL timebase to avoi

ThreadX requires exclusive ownership of the SysTick exception for scheduler operation. To avoid conflicts, the STM32 HAL timebase is implemented using TIM2 instead of the default SysTick source.

The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `board_init.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.
The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and provides custom implementations of `HAL_SuspendTick()` and `HAL_ResumeTick()` in `lib/bsp/src/bsp_board.c`. These functions enable and disable the TIM2 update interrupt without affecting the ThreadX scheduler tick.


## File Organization

- **`app/`**: Main application logic and boot setups
 - **`app/common/`**: Console serial driver and board configurations
 - **`app/common/`**: Vendor HAL MSP hooks and boot sources
 - **`app/common/startup/`**: Linker scripts and assembly boot startup code
 - **`app/starter/`**: Demo main thread logic
- **`lib/`**: Libraries and dependencies
 - **`lib/nucleo_bsp/`**: Board specific support libraries (LD2 LED)
 - **`lib/bsp/`**: Board support implementing the generic `<bsp/*.h>` interfaces
 (`bsp_board.c` clocks and HAL timebase, `bsp_led.c` LD2, `bsp_console.c`
 USART2, `newlib_stubs.c` newlib syscall overrides)
 - **`lib/stm32cubef4/`**: HAL Driver wrapper and platform drivers
 - **`lib/threadx/`**: ThreadX user configuration file (`tx_user.h`)
- **`cmake/`**: Cross-compilation module definitions
Expand All@@ -140,9 +142,9 @@ The BSP overrides `HAL_InitTick()` to configure TIM2 as the HAL timebase and pro
## Validation Record

### Verification Environment
- **Toolchain**: Arm GNU Toolchain 15.2.Rel1 (GCC 15.2.1)
- **Static ROM usage**: 18244 Bytes (3.48% of 512 KB Flash)
- **Static RAM usage**: 5632 Bytes (5.73% of 96 KB RAM)
- **Toolchain**: Arm GNU Toolchain 14.2.Rel1 (GCC 14.2.1), the version pinned by CI
- **Static ROM usage**: 20120 Bytes (3.84% of 512 KB Flash)
- **Static RAM usage**: 6000 Bytes (6.10% of 96 KB RAM)
- **Dynamic Stack & Buffer allocation**: Stacks (8 x 1024 bytes) and Queue buffer (40 bytes) are dynamically allocated from the `TX_BYTE_POOL` (consuming 8312 bytes total, including pool headers).
- **Board Hardware**: NUCLEO-F401RE

Expand Down

20 changes: 7 additions & 13 deletions
...ctronics/NUCLEO_F401RE/app/CMakeLists.txt → ...ctronics/NUCLEO_F401RE/app/CMakeLists.txt

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Expand Up@@ -6,14 +6,8 @@
# 
# SPDX-License-Identifier: MIT

if(NOT APP_CONFIG)
 set(APP_CONFIG "starter")
endif()

message(STATUS "Building application with configuration: ${APP_CONFIG}")

set(COMMON_DIR ${CMAKE_CURRENT_SOURCE_DIR}/common)
set(CONFIG_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${APP_CONFIG})
set(STARTER_DIR ${CMAKE_CURRENT_SOURCE_DIR}/starter)

set(SOURCES
 ${COMMON_DIR}/startup/system_stm32f4xx.c
Expand All@@ -22,11 +16,11 @@ set(SOURCES

 ${COMMON_DIR}/stm32cubef4/stm32f4xx_hal_msp.c

${COMMON_DIR}/board_init.c
${COMMON_DIR}/console.c
${COMMON_DIR}/newlib_syscalls.c

 ${CONFIG_DIR}/main.c
# Newlib syscall overrides. Compiled into the executable rather than into
# libnucleo_bsp.a so the linker always takes these definitions instead of
# falling back to the libnosys stubs.
 ${CMAKE_CURRENT_SOURCE_DIR}/../lib/bsp/src/newlib_stubs.c
 ${STARTER_DIR}/main.c
)

add_executable(${PROJECT_NAME} ${SOURCES})
Expand All@@ -41,7 +35,7 @@ target_link_libraries(${PROJECT_NAME}
target_include_directories(${PROJECT_NAME}
 PUBLIC
 ${COMMON_DIR}
 ${CONFIG_DIR}
 ${STARTER_DIR}
)

# Linker script
Expand Down

0
...cs/NUCLEO_F401RE/app/common/sntp_client.c → ...cs/NUCLEO_F401RE/app/common/sntp_client.c

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