add cmake for stm32wb

16 files changed, 592 insertions, 456 deletions

diff --git a/.github/workflows/build_arm.yml b/.github/workflows/build_arm.yml
index 12e6615ea..55c4bd204 100644
--- a/.github/workflows/build_arm.yml
+++ b/.github/workflows/build_arm.yml
@@ -35,13 +35,8 @@ jobs:
       matrix:
         family:
         # Alphabetical order
-        - 'broadcom_32bit'
-        - 'kinetis_k32l2'
-        - 'lpc11 lpc13 lpc15'
-        - 'lpc51'
-        - 'mm32 msp432e4'
-        - 'samd11 same5x saml2x'
-        - 'stm32l0 stm32wb'
+        - 'mm32'
+        - 'samd11 same5x'
         - 'tm4c123 xmc4000'
     steps:
     - name: Setup Python
diff --git a/.github/workflows/build_cmake.yml b/.github/workflows/build_cmake.yml
index cbe36ae79..38df38730 100644
--- a/.github/workflows/build_cmake.yml
+++ b/.github/workflows/build_cmake.yml
@@ -48,8 +48,7 @@ jobs:
           - 'nrf'
           - 'ra'
           - 'rp2040'
-          - 'samd21'
-          - 'samd51'
+          - 'samd21 saml2x samd51'
           - 'stm32f0'
           - 'stm32f1'
           - 'stm32f2'
@@ -62,6 +61,7 @@ jobs:
           - 'stm32h7'
           - 'stm32l4'
           - 'stm32u5'
+          - 'stm32wb'
     steps:
     - name: Setup Python
       uses: actions/setup-python@v5
diff --git a/hw/bsp/stm32f0/family.cmake b/hw/bsp/stm32f0/family.cmake
index 427c56671..0af200dd5 100644
--- a/hw/bsp/stm32f0/family.cmake
+++ b/hw/bsp/stm32f0/family.cmake
@@ -22,54 +22,56 @@ set(FAMILY_MCUS STM32F0 CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    # Startup & Linker script
-    set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
-    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif()
 
-    set(LD_FILE_Clang ${LD_FILE_GNU})
-    set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+  # Startup & Linker script
+  set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
 
-    add_library(${BOARD_TARGET} STATIC
-      ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+
+  add_library(${BOARD_TARGET} STATIC
+    ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMSIS_5}/CMSIS/Core/Include
+    ${ST_CMSIS}/Include
+    ${ST_HAL_DRIVER}/Inc
+    )
+  #target_compile_options(${BOARD_TARGET} PUBLIC)
+  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    CFG_EXAMPLE_MSC_READONLY
+    )
+
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
       )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
-      ${CMSIS_5}/CMSIS/Core/Include
-      ${ST_CMSIS}/Include
-      ${ST_HAL_DRIVER}/Inc
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
       )
-    #target_compile_options(${BOARD_TARGET} PUBLIC)
-    target_compile_definitions(${BOARD_TARGET} PUBLIC
-      CFG_EXAMPLE_MSC_READONLY
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
       )
-
-    update_board(${BOARD_TARGET})
-
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -nostartfiles
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_Clang}"
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
   endif ()
 endfunction()
 
diff --git a/hw/bsp/stm32f1/family.cmake b/hw/bsp/stm32f1/family.cmake
index cf7e8e9b1..e8cc4db1f 100644
--- a/hw/bsp/stm32f1/family.cmake
+++ b/hw/bsp/stm32f1/family.cmake
@@ -22,53 +22,55 @@ set(FAMILY_MCUS STM32F1 CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    # Startup & Linker script
-    set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
-    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif()
 
-    set(LD_FILE_Clang ${LD_FILE_GNU})
-    if (NOT DEFINED LD_FILE_IAR)
-      set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
-    endif ()
+# Startup & Linker script
+  set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
 
-    add_library(${BOARD_TARGET} STATIC
-      ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
-      ${CMSIS_5}/CMSIS/Core/Include
-      ${ST_CMSIS}/Include
-      ${ST_HAL_DRIVER}/Inc
-      )
-    #target_compile_options(${BOARD_TARGET} PUBLIC)
-    #target_compile_definitions(${BOARD_TARGET} PUBLIC)
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  if (NOT DEFINED LD_FILE_IAR)
+    set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+  endif ()
+
+  add_library(${BOARD_TARGET} STATIC
+    ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMSIS_5}/CMSIS/Core/Include
+    ${ST_CMSIS}/Include
+    ${ST_HAL_DRIVER}/Inc
+    )
+  #target_compile_options(${BOARD_TARGET} PUBLIC)
+  #target_compile_definitions(${BOARD_TARGET} PUBLIC)
 
-    update_board(${BOARD_TARGET})
+  update_board(${BOARD_TARGET})
 
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -nostartfiles
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_Clang}"
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
   endif ()
 endfunction()
 
diff --git a/hw/bsp/stm32f2/family.cmake b/hw/bsp/stm32f2/family.cmake
index 862680bce..a01ebef5c 100644
--- a/hw/bsp/stm32f2/family.cmake
+++ b/hw/bsp/stm32f2/family.cmake
@@ -22,53 +22,55 @@ set(FAMILY_MCUS STM32F2 CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    # Startup & Linker script
-    set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
-    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif()
 
-    set(LD_FILE_Clang ${LD_FILE_GNU})
-    if (NOT DEFINED LD_FILE_IAR)
-      set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
-    endif ()
+  # Startup & Linker script
+  set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
 
-    add_library(${BOARD_TARGET} STATIC
-      ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
-      ${CMSIS_5}/CMSIS/Core/Include
-      ${ST_CMSIS}/Include
-      ${ST_HAL_DRIVER}/Inc
-      )
-    #target_compile_options(${BOARD_TARGET} PUBLIC)
-    #target_compile_definitions(${BOARD_TARGET} PUBLIC)
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  if (NOT DEFINED LD_FILE_IAR)
+    set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+  endif ()
+
+  add_library(${BOARD_TARGET} STATIC
+    ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMSIS_5}/CMSIS/Core/Include
+    ${ST_CMSIS}/Include
+    ${ST_HAL_DRIVER}/Inc
+    )
+  #target_compile_options(${BOARD_TARGET} PUBLIC)
+  #target_compile_definitions(${BOARD_TARGET} PUBLIC)
 
-    update_board(${BOARD_TARGET})
+  update_board(${BOARD_TARGET})
 
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -nostartfiles
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_Clang}"
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
   endif ()
 endfunction()
 
diff --git a/hw/bsp/stm32f3/family.cmake b/hw/bsp/stm32f3/family.cmake
index 0a28e480b..dbba1e658 100644
--- a/hw/bsp/stm32f3/family.cmake
+++ b/hw/bsp/stm32f3/family.cmake
@@ -22,51 +22,53 @@ set(FAMILY_MCUS STM32F3 CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    # Startup & Linker script
-    set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
-    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif()
 
-    set(LD_FILE_Clang ${LD_FILE_GNU})
-    set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+  # Startup & Linker script
+  set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
 
-    add_library(${BOARD_TARGET} STATIC
-      ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
-      ${CMSIS_5}/CMSIS/Core/Include
-      ${ST_CMSIS}/Include
-      ${ST_HAL_DRIVER}/Inc
-      )
-    #target_compile_options(${BOARD_TARGET} PUBLIC)
-    #target_compile_definitions(${BOARD_TARGET} PUBLIC)
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
 
-    update_board(${BOARD_TARGET})
+  add_library(${BOARD_TARGET} STATIC
+    ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMSIS_5}/CMSIS/Core/Include
+    ${ST_CMSIS}/Include
+    ${ST_HAL_DRIVER}/Inc
+    )
+  #target_compile_options(${BOARD_TARGET} PUBLIC)
+  #target_compile_definitions(${BOARD_TARGET} PUBLIC)
 
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -nostartfiles
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_Clang}"
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
   endif ()
 endfunction()
 
diff --git a/hw/bsp/stm32f7/family.cmake b/hw/bsp/stm32f7/family.cmake
index 17e632c40..938c2697a 100644
--- a/hw/bsp/stm32f7/family.cmake
+++ b/hw/bsp/stm32f7/family.cmake
@@ -22,55 +22,57 @@ set(FAMILY_MCUS STM32F7 CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    # Startup & Linker script
-    set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
-    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif()
 
-    set(LD_FILE_Clang ${LD_FILE_GNU})
-    set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+  # Startup & Linker script
+  set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
 
-    add_library(${BOARD_TARGET} STATIC
-      ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_dma.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
-      ${CMSIS_5}/CMSIS/Core/Include
-      ${ST_CMSIS}/Include
-      ${ST_HAL_DRIVER}/Inc
-      )
-    #target_compile_options(${BOARD_TARGET} PUBLIC)
-    #target_compile_definitions(${BOARD_TARGET} PUBLIC)
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
 
-    update_board(${BOARD_TARGET})
+  add_library(${BOARD_TARGET} STATIC
+    ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_dma.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMSIS_5}/CMSIS/Core/Include
+    ${ST_CMSIS}/Include
+    ${ST_HAL_DRIVER}/Inc
+    )
+  #target_compile_options(${BOARD_TARGET} PUBLIC)
+  #target_compile_definitions(${BOARD_TARGET} PUBLIC)
 
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -nostartfiles
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_Clang}"
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
   endif ()
 endfunction()
 
diff --git a/hw/bsp/stm32h7/family.cmake b/hw/bsp/stm32h7/family.cmake
index e5ae6c69d..026c7c3df 100644
--- a/hw/bsp/stm32h7/family.cmake
+++ b/hw/bsp/stm32h7/family.cmake
@@ -22,57 +22,59 @@ set(FAMILY_MCUS STM32H7 CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    # Startup & Linker script
-    set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
-    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif()
 
-    set(LD_FILE_Clang ${LD_FILE_GNU})
-    if(NOT DEFINED LD_FILE_IAR)
-      set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
-    endif()
+  # Startup & Linker script
+  set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
 
-    add_library(${BOARD_TARGET} STATIC
-      ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_dma.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
-      ${CMSIS_5}/CMSIS/Core/Include
-      ${ST_CMSIS}/Include
-      ${ST_HAL_DRIVER}/Inc
-      )
-    #target_compile_options(${BOARD_TARGET} PUBLIC)
-    #target_compile_definitions(${BOARD_TARGET} PUBLIC)
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  if(NOT DEFINED LD_FILE_IAR)
+    set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+  endif()
 
-    update_board(${BOARD_TARGET})
+  add_library(${BOARD_TARGET} STATIC
+    ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_dma.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMSIS_5}/CMSIS/Core/Include
+    ${ST_CMSIS}/Include
+    ${ST_HAL_DRIVER}/Inc
+    )
+  #target_compile_options(${BOARD_TARGET} PUBLIC)
+  #target_compile_definitions(${BOARD_TARGET} PUBLIC)
 
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -nostartfiles
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_Clang}"
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
   endif ()
 endfunction()
 
diff --git a/hw/bsp/stm32l0/family.cmake b/hw/bsp/stm32l0/family.cmake
index 962c55587..c04927585 100644
--- a/hw/bsp/stm32l0/family.cmake
+++ b/hw/bsp/stm32l0/family.cmake
@@ -22,55 +22,57 @@ set(FAMILY_MCUS STM32L0 CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    # Startup & Linker script
-    set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
-    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif()
 
-    set(LD_FILE_Clang ${LD_FILE_GNU})
-    set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+  # Startup & Linker script
+  set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
 
-    add_library(${BOARD_TARGET} STATIC
-      ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+
+  add_library(${BOARD_TARGET} STATIC
+    ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMSIS_5}/CMSIS/Core/Include
+    ${ST_CMSIS}/Include
+    ${ST_HAL_DRIVER}/Inc
+    )
+  #target_compile_options(${BOARD_TARGET} PUBLIC)
+  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    CFG_EXAMPLE_MSC_READONLY
+    CFG_EXAMPLE_VIDEO_READONLY
+    )
+
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
       )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
-      ${CMSIS_5}/CMSIS/Core/Include
-      ${ST_CMSIS}/Include
-      ${ST_HAL_DRIVER}/Inc
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
       )
-    #target_compile_options(${BOARD_TARGET} PUBLIC)
-    target_compile_definitions(${BOARD_TARGET} PUBLIC
-      CFG_EXAMPLE_MSC_READONLY
-      CFG_EXAMPLE_VIDEO_READONLY
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
       )
-
-    update_board(${BOARD_TARGET})
-
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -nostartfiles
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_Clang}"
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
   endif ()
 endfunction()
 
diff --git a/hw/bsp/stm32l4/family.cmake b/hw/bsp/stm32l4/family.cmake
index c42b6a8d7..b6eae7c7f 100644
--- a/hw/bsp/stm32l4/family.cmake
+++ b/hw/bsp/stm32l4/family.cmake
@@ -22,55 +22,57 @@ set(FAMILY_MCUS STM32L4 CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    # Startup & Linker script
-    set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
-    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif()
 
-    set(LD_FILE_Clang ${LD_FILE_GNU})
-    set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+  # Startup & Linker script
+  set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
 
-    add_library(${BOARD_TARGET} STATIC
-      ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_dma.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
-      ${CMSIS_5}/CMSIS/Core/Include
-      ${ST_CMSIS}/Include
-      ${ST_HAL_DRIVER}/Inc
-      )
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+
+  add_library(${BOARD_TARGET} STATIC
+    ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_dma.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMSIS_5}/CMSIS/Core/Include
+    ${ST_CMSIS}/Include
+    ${ST_HAL_DRIVER}/Inc
+    )
 #    target_compile_options(${BOARD_TARGET} PUBLIC)
 #    target_compile_definitions(${BOARD_TARGET} PUBLIC)
 
-    update_board(${BOARD_TARGET})
+  update_board(${BOARD_TARGET})
 
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -nostartfiles
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_Clang}"
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
   endif ()
 endfunction()
 
diff --git a/hw/bsp/stm32u5/family.cmake b/hw/bsp/stm32u5/family.cmake
index d3cb78abf..7402540b7 100644
--- a/hw/bsp/stm32u5/family.cmake
+++ b/hw/bsp/stm32u5/family.cmake
@@ -22,55 +22,57 @@ set(FAMILY_MCUS STM32U5 CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    # Startup & Linker script
-    set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
-    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif()
 
-    string(REPLACE "stm32u" "STM32U" MCU_VARIANT_UPPER ${MCU_VARIANT})
-    if (NOT DEFINED LD_FILE_GNU)
-      set(LD_FILE_GNU ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/linker/${MCU_VARIANT_UPPER}_FLASH.ld)
-    endif ()
-    set(LD_FILE_Clang ${LD_FILE_GNU})
-    set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+  # Startup & Linker script
+  set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
 
-    add_library(${BOARD_TARGET} STATIC
-      ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_icache.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
-      ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+  string(REPLACE "stm32u" "STM32U" MCU_VARIANT_UPPER ${MCU_VARIANT})
+  if (NOT DEFINED LD_FILE_GNU)
+    set(LD_FILE_GNU ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/linker/${MCU_VARIANT_UPPER}_FLASH.ld)
+  endif ()
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+
+  add_library(${BOARD_TARGET} STATIC
+    ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_icache.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMSIS_5}/CMSIS/Core/Include
+    ${ST_CMSIS}/Include
+    ${ST_HAL_DRIVER}/Inc
+    )
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
       )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
-      ${CMSIS_5}/CMSIS/Core/Include
-      ${ST_CMSIS}/Include
-      ${ST_HAL_DRIVER}/Inc
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
       )
-    update_board(${BOARD_TARGET})
-
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -nostartfiles
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_Clang}"
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
   endif ()
 endfunction()
 
diff --git a/hw/bsp/stm32wb/boards/stm32wb55nucleo/board.cmake b/hw/bsp/stm32wb/boards/stm32wb55nucleo/board.cmake
new file mode 100644
index 000000000..5512aa2ee
--- /dev/null
+++ b/hw/bsp/stm32wb/boards/stm32wb55nucleo/board.cmake
@@ -0,0 +1,10 @@
+set(MCU_VARIANT stm32wb55xx)
+set(JLINK_DEVICE STM32WB55RG)
+
+set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/stm32wb55xx_flash_cm4.ld)
+
+function(update_board TARGET)
+  target_compile_definitions(${TARGET} PUBLIC
+    STM32WB55xx
+    )
+endfunction()
diff --git a/hw/bsp/stm32wb/boards/stm32wb55nucleo/board.mk b/hw/bsp/stm32wb/boards/stm32wb55nucleo/board.mk
index d6adc6b63..009883f30 100644
--- a/hw/bsp/stm32wb/boards/stm32wb55nucleo/board.mk
+++ b/hw/bsp/stm32wb/boards/stm32wb55nucleo/board.mk
@@ -1,9 +1,7 @@
+MCU_VARIANT = stm32wb55xx
+
 CFLAGS += \
 	-DSTM32WB55xx
 
-LD_FILE = $(BOARD_PATH)/stm32wb55xx_flash_cm4.ld
-
-SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32wb55xx_cm4.s
-
 # For flash-jlink target
 JLINK_DEVICE = STM32WB55RG
diff --git a/hw/bsp/stm32wb/family.c b/hw/bsp/stm32wb/family.c
index d483c95b7..1dc789407 100644
--- a/hw/bsp/stm32wb/family.c
+++ b/hw/bsp/stm32wb/family.c
@@ -31,13 +31,11 @@
 //--------------------------------------------------------------------+
 // Forward USB interrupt events to TinyUSB IRQ Handler
 //--------------------------------------------------------------------+
-void USB_HP_IRQHandler(void)
-{
+void USB_HP_IRQHandler(void) {
   tud_int_handler(0);
 }
 
-void USB_LP_IRQHandler(void)
-{
+void USB_LP_IRQHandler(void) {
   tud_int_handler(0);
 }
 
@@ -46,8 +44,7 @@ void USB_LP_IRQHandler(void)
 //--------------------------------------------------------------------+
 UART_HandleTypeDef UartHandle;
 
-void board_init(void)
-{
+void board_init(void) {
   board_clock_init();
 
   // Enable All GPIOs clocks
@@ -71,7 +68,7 @@ void board_init(void)
   NVIC_SetPriority(USB_LP_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
 #endif
 
-  GPIO_InitTypeDef  GPIO_InitStruct;
+  GPIO_InitTypeDef GPIO_InitStruct;
 
   // LED
   GPIO_InitStruct.Pin = LED_PIN;
@@ -102,22 +99,22 @@ void board_init(void)
 
 #ifdef UART_DEV
   // UART
-  GPIO_InitStruct.Pin       = UART_TX_PIN | UART_RX_PIN;
-  GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
-  GPIO_InitStruct.Pull      = GPIO_PULLUP;
-  GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
+  GPIO_InitStruct.Pin = UART_TX_PIN | UART_RX_PIN;
+  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull = GPIO_PULLUP;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
   GPIO_InitStruct.Alternate = UART_GPIO_AF;
   HAL_GPIO_Init(UART_GPIO_PORT, &GPIO_InitStruct);
 
-  UartHandle = (UART_HandleTypeDef){
-    .Instance        = UART_DEV,
-    .Init.BaudRate   = CFG_BOARD_UART_BAUDRATE,
-    .Init.WordLength = UART_WORDLENGTH_8B,
-    .Init.StopBits   = UART_STOPBITS_1,
-    .Init.Parity     = UART_PARITY_NONE,
-    .Init.HwFlowCtl  = UART_HWCONTROL_NONE,
-    .Init.Mode       = UART_MODE_TX_RX,
-    .Init.OverSampling = UART_OVERSAMPLING_16
+  UartHandle = (UART_HandleTypeDef) {
+      .Instance        = UART_DEV,
+      .Init.BaudRate   = CFG_BOARD_UART_BAUDRATE,
+      .Init.WordLength = UART_WORDLENGTH_8B,
+      .Init.StopBits   = UART_STOPBITS_1,
+      .Init.Parity     = UART_PARITY_NONE,
+      .Init.HwFlowCtl  = UART_HWCONTROL_NONE,
+      .Init.Mode       = UART_MODE_TX_RX,
+      .Init.OverSampling = UART_OVERSAMPLING_16
   };
   HAL_UART_Init(&UartHandle);
 #endif
@@ -138,26 +135,23 @@ void board_init(void)
 // Board porting API
 //--------------------------------------------------------------------+
 
-void board_led_write(bool state)
-{
-  HAL_GPIO_WritePin(LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+void board_led_write(bool state) {
+  HAL_GPIO_WritePin(LED_PORT, LED_PIN, state ? LED_STATE_ON : (1 - LED_STATE_ON));
 }
 
-uint32_t board_button_read(void)
-{
+uint32_t board_button_read(void) {
   return BUTTON_STATE_ACTIVE == HAL_GPIO_ReadPin(BUTTON_PORT, BUTTON_PIN);
 }
 
-int board_uart_read(uint8_t* buf, int len)
-{
-  (void) buf; (void) len;
+int board_uart_read(uint8_t* buf, int len) {
+  (void) buf;
+  (void) len;
   return 0;
 }
 
-int board_uart_write(void const * buf, int len)
-{
+int board_uart_write(void const* buf, int len) {
 #ifdef UART_DEV
-  HAL_UART_Transmit(&UartHandle, (uint8_t*)(uintptr_t) buf, len, 0xffff);
+  HAL_UART_Transmit(&UartHandle, (uint8_t*) (uintptr_t) buf, len, 0xffff);
   return len;
 #else
   (void) buf; (void) len; (void) UartHandle;
@@ -165,28 +159,26 @@ int board_uart_write(void const * buf, int len)
 #endif
 }
 
-#if CFG_TUSB_OS  == OPT_OS_NONE
+#if CFG_TUSB_OS == OPT_OS_NONE
 volatile uint32_t system_ticks = 0;
-void SysTick_Handler (void)
-{
+
+void SysTick_Handler(void) {
   HAL_IncTick();
   system_ticks++;
 }
 
-uint32_t board_millis(void)
-{
+uint32_t board_millis(void) {
   return system_ticks;
 }
+
 #endif
 
-void HardFault_Handler (void)
-{
+void HardFault_Handler(void) {
   asm("bkpt");
 }
 
 // Required by __libc_init_array in startup code if we are compiling using
 // -nostdlib/-nostartfiles.
-void _init(void)
-{
+void _init(void) {
 
 }
diff --git a/hw/bsp/stm32wb/family.cmake b/hw/bsp/stm32wb/family.cmake
new file mode 100644
index 000000000..071797c20
--- /dev/null
+++ b/hw/bsp/stm32wb/family.cmake
@@ -0,0 +1,119 @@
+include_guard()
+
+set(ST_FAMILY wb)
+set(ST_PREFIX stm32${ST_FAMILY}xx)
+
+set(ST_HAL_DRIVER ${TOP}/hw/mcu/st/stm32${ST_FAMILY}xx_hal_driver)
+set(ST_CMSIS ${TOP}/hw/mcu/st/cmsis_device_${ST_FAMILY})
+set(CMSIS_5 ${TOP}/lib/CMSIS_5)
+
+# include board specific
+include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
+
+# toolchain set up
+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 STM32WB CACHE INTERNAL "")
+
+
+#------------------------------------
+# BOARD_TARGET
+#------------------------------------
+# only need to be built ONCE for all examples
+function(add_board_target BOARD_TARGET)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif()
+
+  # Startup & Linker script
+  set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}_cm4.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}_cm4.s)
+
+  if (NOT DEFINED LD_FILE_GNU)
+    set(LD_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/linker/${MCU_VARIANT}_flash_cm4.ld)
+  endif()
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash_cm4.icf)
+
+  add_library(${BOARD_TARGET} STATIC
+    ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_cortex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_dma.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_gpio.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_pwr_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_rcc_ex.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart.c
+    ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal_uart_ex.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMSIS_5}/CMSIS/Core/Include
+    ${ST_CMSIS}/Include
+    ${ST_HAL_DRIVER}/Inc
+    )
+#    target_compile_options(${BOARD_TARGET} PUBLIC)
+#    target_compile_definitions(${BOARD_TARGET} PUBLIC)
+
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
+  endif ()
+endfunction()
+
+
+#------------------------------------
+# Functions
+#------------------------------------
+function(family_configure_example TARGET RTOS)
+  family_configure_common(${TARGET} ${RTOS})
+
+  # Board target
+  add_board_target(board_${BOARD})
+
+  #---------- Port Specific ----------
+  # These files are built for each example since it depends on example's tusb_config.h
+  target_sources(${TARGET} PUBLIC
+    # BSP
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/family.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../board.c
+    )
+  target_include_directories(${TARGET} PUBLIC
+    # family, hw, board
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../../
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
+    )
+
+  # Add TinyUSB target and port source
+  family_add_tinyusb(${TARGET} OPT_MCU_${FAMILY_MCUS} ${RTOS})
+  target_sources(${TARGET}-tinyusb PUBLIC
+    ${TOP}/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
+    )
+  target_link_libraries(${TARGET}-tinyusb PUBLIC board_${BOARD})
+
+  # Link dependencies
+  target_link_libraries(${TARGET} PUBLIC board_${BOARD} ${TARGET}-tinyusb)
+
+  # Flashing
+  family_flash_stlink(${TARGET})
+  family_flash_jlink(${TARGET})
+endfunction()
diff --git a/hw/bsp/stm32wb/family.mk b/hw/bsp/stm32wb/family.mk
index 287b58ce5..de8372eea 100644
--- a/hw/bsp/stm32wb/family.mk
+++ b/hw/bsp/stm32wb/family.mk
@@ -1,7 +1,7 @@
 UF2_FAMILY_ID = 0x70d16653
 ST_FAMILY = wb
-DEPS_SUBMODULES += lib/CMSIS_5 hw/mcu/st/cmsis_device_$(ST_FAMILY) hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
 
+ST_PREFIX = stm32${ST_FAMILY}xx
 ST_CMSIS = hw/mcu/st/cmsis_device_$(ST_FAMILY)
 ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
 
@@ -16,18 +16,22 @@ CFLAGS += \
 # suppress warning caused by vendor mcu driver
 CFLAGS += -Wno-error=cast-align -Wno-unused-parameter
 
+LD_FILE ?= ${ST_CMSIS}/Source/Templates/gcc/linker/${MCU_VARIANT}_flash_cm4.ld
+
 LDFLAGS_GCC += -specs=nosys.specs -specs=nano.specs
 
 SRC_C += \
 	src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c \
-	$(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \
-	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal.c \
-	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_cortex.c \
-	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_pwr_ex.c \
-	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc.c \
-	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
-	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c \
-	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c
+	$(ST_CMSIS)/Source/Templates/system_${ST_PREFIX}.c \
+	$(ST_HAL_DRIVER)/Src/${ST_PREFIX}_hal.c \
+	$(ST_HAL_DRIVER)/Src/${ST_PREFIX}_hal_cortex.c \
+	$(ST_HAL_DRIVER)/Src/${ST_PREFIX}_hal_pwr_ex.c \
+	$(ST_HAL_DRIVER)/Src/${ST_PREFIX}_hal_rcc.c \
+	$(ST_HAL_DRIVER)/Src/${ST_PREFIX}_hal_rcc_ex.c \
+	$(ST_HAL_DRIVER)/Src/${ST_PREFIX}_hal_uart.c \
+	$(ST_HAL_DRIVER)/Src/${ST_PREFIX}_hal_gpio.c
+
+SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_${MCU_VARIANT}_cm4.s
 
 INC += \
 	$(TOP)/$(BOARD_PATH) \