diff --git a/examples/rules.mk b/examples/rules.mk
index 426000128..f6422092a 100644
--- a/examples/rules.mk
+++ b/examples/rules.mk
@@ -227,14 +227,19 @@ endif
 # Jlink Interface
 JLINK_IF ?= swd
 
+# Jlink script
+define jlink_script
+halt
+loadfile $^
+r
+go
+exit
+endef
+export jlink_script
+
 # Flash using jlink
 flash-jlink: $(BUILD)/$(PROJECT).hex
-	@echo halt > $(BUILD)/$(BOARD).jlink
-	@echo r >> $(BUILD)/$(BOARD).jlink
-	@echo loadfile $^ >> $(BUILD)/$(BOARD).jlink
-	@echo r >> $(BUILD)/$(BOARD).jlink
-	@echo go >> $(BUILD)/$(BOARD).jlink
-	@echo exit >> $(BUILD)/$(BOARD).jlink
+	@echo "$$jlink_script" > $(BUILD)/$(BOARD).jlink
 	$(JLINKEXE) -device $(JLINK_DEVICE) -if $(JLINK_IF) -JTAGConf -1,-1 -speed auto -CommandFile $(BUILD)/$(BOARD).jlink
 
 # Flash STM32 MCU using stlink with STM32 Cube Programmer CLI
diff --git a/hw/bsp/family_support.cmake b/hw/bsp/family_support.cmake
index 01e7bb018..442aba955 100644
--- a/hw/bsp/family_support.cmake
+++ b/hw/bsp/family_support.cmake
@@ -1,149 +1,205 @@
-if (NOT TARGET _family_support_marker)
-    add_library(_family_support_marker INTERFACE)
+if (TARGET _family_support_marker)
+    return()
+endif ()
 
-    include(CMakePrintHelpers)
+add_library(_family_support_marker INTERFACE)
 
-    # Default to gcc
-    if(NOT DEFINED TOOLCHAIN)
-        set(TOOLCHAIN gcc)
-    endif()
+include(CMakePrintHelpers)
 
-    if (NOT FAMILY)
-        message(FATAL_ERROR "You must set a FAMILY variable for the build (e.g. rp2040, eps32s2, esp32s3). You can do this via -DFAMILY=xxx on the cmake command line")
-    endif()
-
-    if (NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/${FAMILY}/family.cmake)
-        message(FATAL_ERROR "Family '${FAMILY}' is not known/supported")
-    endif()
-
-    function(family_filter RESULT DIR)
-        get_filename_component(DIR ${DIR} ABSOLUTE BASE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
-
-        if (EXISTS "${DIR}/only.txt")
-            file(READ "${DIR}/only.txt" ONLYS)
-            # Replace newlines with semicolon so that it is treated as a list by CMake
-            string(REPLACE "\n" ";" ONLYS_LINES ${ONLYS})
-            # For each mcu
-            foreach(MCU IN LISTS FAMILY_MCUS)
-                # For each line in only.txt
-                foreach(_line ${ONLYS_LINES})
-                    # If mcu:xxx exists for this mcu or board:xxx then include
-                    if (${_line} STREQUAL "mcu:${MCU}" OR ${_line} STREQUAL "board:${BOARD}")
-                        set(${RESULT} 1 PARENT_SCOPE)
-                        return()
-                    endif()
-                endforeach()
-            endforeach()
-
-            # Didn't find it in only file so don't build
-            set(${RESULT} 0 PARENT_SCOPE)
-
-        elseif (EXISTS "${DIR}/skip.txt")
-            file(READ "${DIR}/skip.txt" SKIPS)
-            # Replace newlines with semicolon so that it is treated as a list by CMake
-            string(REPLACE "\n" ";" SKIPS_LINES ${SKIPS})
-            # For each mcu
-            foreach(MCU IN LISTS FAMILY_MCUS)
-                # For each line in only.txt
-                foreach(_line ${SKIPS_LINES})
-                    # If mcu:xxx exists for this mcu then skip
-                    if (${_line} STREQUAL "mcu:${MCU}")
-                        set(${RESULT} 0 PARENT_SCOPE)
-                        return()
-                    endif()
-                endforeach()
-            endforeach()
-
-            # Didn't find in skip file so build
-            set(${RESULT} 1 PARENT_SCOPE)
-
-        else()
-
-            # Didn't find skip or only file so build
-            set(${RESULT} 1 PARENT_SCOPE)
-
-        endif()
-
-    endfunction()
-
-    function(family_add_subdirectory DIR)
-        family_filter(SHOULD_ADD "${DIR}")
-        if (SHOULD_ADD)
-            add_subdirectory(${DIR})
-        endif()
-    endfunction()
-
-    function(family_get_project_name OUTPUT_NAME DIR)
-        get_filename_component(SHORT_NAME ${DIR} NAME)
-        set(${OUTPUT_NAME} ${TINYUSB_FAMILY_PROJECT_NAME_PREFIX}${SHORT_NAME} PARENT_SCOPE)
-    endfunction()
-
-    function(family_initialize_project PROJECT DIR)
-        family_filter(ALLOWED "${DIR}")
-        if (NOT ALLOWED)
-            get_filename_component(SHORT_NAME ${DIR} NAME)
-            message(FATAL_ERROR "${SHORT_NAME} is not supported on FAMILY=${FAMILY}")
-        endif()
-    endfunction()
-
-    function(family_add_default_example_warnings TARGET)
-        target_compile_options(${TARGET} PUBLIC
-                -Wall
-                -Wextra
-                -Werror
-                -Wfatal-errors
-                -Wdouble-promotion
-                -Wfloat-equal
-                -Wshadow
-                -Wwrite-strings
-                -Wsign-compare
-                -Wmissing-format-attribute
-                -Wunreachable-code
-                -Wcast-align
-                -Wcast-qual
-                -Wnull-dereference
-                -Wuninitialized
-                -Wunused
-                -Wredundant-decls
-                #-Wstrict-prototypes
-                #-Werror-implicit-function-declaration
-                #-Wundef
-                )
-
-        if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-            # GCC 10
-            if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 10.0)
-                target_compile_options(${TARGET} PUBLIC -Wconversion)
-            endif()
-
-            # GCC 8
-            if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0)
-                target_compile_options(${TARGET} PUBLIC -Wcast-function-type -Wstrict-overflow)
-            endif()
-
-            # GCC 6
-            if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0)
-                target_compile_options(${TARGET} PUBLIC -Wno-strict-aliasing)
-            endif()
-        endif()
-    endfunction()
-
-    # configure an executable target to link to tinyusb in device mode, and add the board implementation
-    function(family_configure_device_example TARGET)
-        # default implementation is empty, the function should be redefined in the FAMILY/family.cmake
-    endfunction()
-
-    # configure an executable target to link to tinyusb in host mode, and add the board implementation
-    function(family_configure_host_example TARGET)
-        # default implementation is empty, the function should be redefined in the FAMILY/family.cmake
-    endfunction()
-
-    include(${CMAKE_CURRENT_LIST_DIR}/${FAMILY}/family.cmake)
-
-    if (NOT FAMILY_MCUS)
-        set(FAMILY_MCUS ${FAMILY})
-    endif()
-
-    # save it in case of re-inclusion
-    set(FAMILY_MCUS ${FAMILY_MCUS} CACHE INTERNAL "")
+# Default to gcc
+if(NOT DEFINED TOOLCHAIN)
+    set(TOOLCHAIN gcc)
 endif()
+
+if (NOT FAMILY)
+    message(FATAL_ERROR "You must set a FAMILY variable for the build (e.g. rp2040, eps32s2, esp32s3). You can do this via -DFAMILY=xxx on the cmake command line")
+endif()
+
+if (NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/${FAMILY}/family.cmake)
+    message(FATAL_ERROR "Family '${FAMILY}' is not known/supported")
+endif()
+
+function(family_filter RESULT DIR)
+    get_filename_component(DIR ${DIR} ABSOLUTE BASE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+
+    if (EXISTS "${DIR}/only.txt")
+        file(READ "${DIR}/only.txt" ONLYS)
+        # Replace newlines with semicolon so that it is treated as a list by CMake
+        string(REPLACE "\n" ";" ONLYS_LINES ${ONLYS})
+        # For each mcu
+        foreach(MCU IN LISTS FAMILY_MCUS)
+            # For each line in only.txt
+            foreach(_line ${ONLYS_LINES})
+                # If mcu:xxx exists for this mcu or board:xxx then include
+                if (${_line} STREQUAL "mcu:${MCU}" OR ${_line} STREQUAL "board:${BOARD}")
+                    set(${RESULT} 1 PARENT_SCOPE)
+                    return()
+                endif()
+            endforeach()
+        endforeach()
+
+        # Didn't find it in only file so don't build
+        set(${RESULT} 0 PARENT_SCOPE)
+
+    elseif (EXISTS "${DIR}/skip.txt")
+        file(READ "${DIR}/skip.txt" SKIPS)
+        # Replace newlines with semicolon so that it is treated as a list by CMake
+        string(REPLACE "\n" ";" SKIPS_LINES ${SKIPS})
+        # For each mcu
+        foreach(MCU IN LISTS FAMILY_MCUS)
+            # For each line in only.txt
+            foreach(_line ${SKIPS_LINES})
+                # If mcu:xxx exists for this mcu then skip
+                if (${_line} STREQUAL "mcu:${MCU}")
+                    set(${RESULT} 0 PARENT_SCOPE)
+                    return()
+                endif()
+            endforeach()
+        endforeach()
+
+        # Didn't find in skip file so build
+        set(${RESULT} 1 PARENT_SCOPE)
+
+    else()
+
+        # Didn't find skip or only file so build
+        set(${RESULT} 1 PARENT_SCOPE)
+
+    endif()
+
+endfunction()
+
+function(family_add_subdirectory DIR)
+    family_filter(SHOULD_ADD "${DIR}")
+    if (SHOULD_ADD)
+        add_subdirectory(${DIR})
+    endif()
+endfunction()
+
+function(family_get_project_name OUTPUT_NAME DIR)
+    get_filename_component(SHORT_NAME ${DIR} NAME)
+    set(${OUTPUT_NAME} ${TINYUSB_FAMILY_PROJECT_NAME_PREFIX}${SHORT_NAME} PARENT_SCOPE)
+endfunction()
+
+function(family_initialize_project PROJECT DIR)
+    family_filter(ALLOWED "${DIR}")
+    if (NOT ALLOWED)
+        get_filename_component(SHORT_NAME ${DIR} NAME)
+        message(FATAL_ERROR "${SHORT_NAME} is not supported on FAMILY=${FAMILY}")
+    endif()
+endfunction()
+
+function(family_add_default_example_warnings TARGET)
+    target_compile_options(${TARGET} PUBLIC
+            -Wall
+            -Wextra
+            -Werror
+            -Wfatal-errors
+            -Wdouble-promotion
+            -Wfloat-equal
+            -Wshadow
+            -Wwrite-strings
+            -Wsign-compare
+            -Wmissing-format-attribute
+            -Wunreachable-code
+            -Wcast-align
+            -Wcast-qual
+            -Wnull-dereference
+            -Wuninitialized
+            -Wunused
+            -Wredundant-decls
+            #-Wstrict-prototypes
+            #-Werror-implicit-function-declaration
+            #-Wundef
+            )
+
+    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+        if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 12.0)
+            target_link_options(${TARGET} PUBLIC "LINKER:--no-warn-rwx-segments")
+        endif()
+
+        # GCC 10
+        if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 10.0)
+            target_compile_options(${TARGET} PUBLIC -Wconversion)
+        endif()
+
+        # GCC 8
+        if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0)
+            target_compile_options(${TARGET} PUBLIC -Wcast-function-type -Wstrict-overflow)
+        endif()
+
+        # GCC 6
+        if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0)
+            target_compile_options(${TARGET} PUBLIC -Wno-strict-aliasing)
+        endif()
+    endif()
+endfunction()
+
+# Add flash jlink target
+function(family_flash_jlink TARGET)
+    if (NOT DEFINED JLINKEXE)
+        set(JLINKEXE JLinkExe)
+    endif ()
+
+    file(GENERATE
+      OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}.jlink
+      CONTENT "halt
+loadfile $<TARGET_FILE:${TARGET}>
+r
+go
+exit"
+      )
+
+    add_custom_target(${TARGET}-jlink
+      DEPENDS ${TARGET}
+      COMMAND ${JLINKEXE} -device ${JLINK_DEVICE} -if swd -JTAGConf -1,-1 -speed auto -CommandFile ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}.jlink
+      )
+endfunction()
+
+# Add flash pycod target
+function(family_flash_pyocd TARGET)
+    if (NOT DEFINED PYOC)
+        set(PYOCD pyocd)
+    endif ()
+
+    add_custom_target(${TARGET}-pyocd
+      DEPENDS ${TARGET}
+      COMMAND ${PYOCD} flash -t ${PYOCD_TARGET} $<TARGET_FILE:${TARGET}>
+      )
+endfunction()
+
+# Add flash using NXP's LinkServer (redserver)
+# https://www.nxp.com/design/software/development-software/mcuxpresso-software-and-tools-/linkserver-for-microcontrollers:LINKERSERVER
+function(family_flash_nxplink TARGET)
+    if (NOT DEFINED LINKSERVER)
+        set(LINKSERVER LinkServer)
+    endif ()
+
+    # LinkServer has a bug that can only execute with full path otherwise it throws:
+    # realpath error: No such file or directory
+    execute_process(COMMAND which ${LINKSERVER} OUTPUT_VARIABLE LINKSERVER_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+    add_custom_target(${TARGET}-nxplink
+      DEPENDS ${TARGET}
+      COMMAND ${LINKSERVER_PATH} flash ${NXPLINK_DEVICE} load $<TARGET_FILE:${TARGET}>
+      )
+endfunction()
+
+# configure an executable target to link to tinyusb in device mode, and add the board implementation
+function(family_configure_device_example TARGET)
+    # default implementation is empty, the function should be redefined in the FAMILY/family.cmake
+endfunction()
+
+# configure an executable target to link to tinyusb in host mode, and add the board implementation
+function(family_configure_host_example TARGET)
+    # default implementation is empty, the function should be redefined in the FAMILY/family.cmake
+endfunction()
+
+include(${CMAKE_CURRENT_LIST_DIR}/${FAMILY}/family.cmake)
+
+if (NOT FAMILY_MCUS)
+    set(FAMILY_MCUS ${FAMILY})
+endif()
+
+# save it in case of re-inclusion
+set(FAMILY_MCUS ${FAMILY_MCUS} CACHE INTERNAL "")
diff --git a/hw/bsp/imxrt/family.cmake b/hw/bsp/imxrt/family.cmake
index e9be7acc8..5261e5810 100644
--- a/hw/bsp/imxrt/family.cmake
+++ b/hw/bsp/imxrt/family.cmake
@@ -132,37 +132,9 @@ function(family_configure_target TARGET)
     )
 
   #---------- Flash ----------
-  # Flash using pyocd
-  add_custom_target(${TARGET}-pyocd
-    DEPENDS ${TARGET}
-    COMMAND pyocd flash -t ${PYOCD_TARGET} $<TARGET_FILE:${TARGET}>
-    )
-
-  # Flash using NXP LinkServer (redlink)
-  # https://www.nxp.com/design/software/development-software/mcuxpresso-software-and-tools-/linkserver-for-microcontrollers:LINKERSERVER
-  # LinkServer has a bug that can only execute with full path otherwise it throws:
-  # realpath error: No such file or directory
-  execute_process(COMMAND which LinkServer OUTPUT_VARIABLE LINKSERVER_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
-  add_custom_target(${TARGET}-nxplink
-    DEPENDS ${TARGET}
-    COMMAND ${LINKSERVER_PATH} flash ${NXPLINK_DEVICE} load $<TARGET_FILE:${TARGET}>
-    )
-
-  # Flash using jlink
-  set(JLINKEXE JLinkExe)
-  file(GENERATE
-    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}.jlink
-    CONTENT "halt
-loadfile $<TARGET_FILE:${TARGET}>
-r
-go
-exit"
-    )
-  add_custom_target(${TARGET}-jlink
-    DEPENDS ${TARGET}
-    COMMAND ${JLINKEXE} -device ${JLINK_DEVICE} -if swd -JTAGConf -1,-1 -speed auto -CommandFile ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}.jlink
-    )
-
+  family_flash_jlink(${TARGET})
+  family_flash_nxplink(${TARGET})
+  family_flash_pyocd(${TARGET})
 endfunction()
 
 
diff --git a/hw/bsp/lpc55/family.cmake b/hw/bsp/lpc55/family.cmake
index 439f54170..611c88eb5 100644
--- a/hw/bsp/lpc55/family.cmake
+++ b/hw/bsp/lpc55/family.cmake
@@ -128,20 +128,9 @@ function(family_configure_target TARGET)
     )
 
   #---------- Flash ----------
-  # Flash using pyocd
-  add_custom_target(${TARGET}-pyocd
-    COMMAND pyocd flash -t ${PYOCD_TARGET} $<TARGET_FILE:${TARGET}>
-    )
-
-  # Flash using NXP LinkServer (redlink)
-  # https://www.nxp.com/design/software/development-software/mcuxpresso-software-and-tools-/linkserver-for-microcontrollers:LINKERSERVER
-  # LinkServer has a bug that can only execute with full path otherwise it throws:
-  # realpath error: No such file or directory
-  execute_process(COMMAND which LinkServer OUTPUT_VARIABLE LINKSERVER_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
-  add_custom_target(${TARGET}-nxplink
-    COMMAND ${LINKSERVER_PATH} flash ${NXPLINK_DEVICE} load $<TARGET_FILE:${TARGET}>
-    )
-
+  family_flash_jlink(${TARGET})
+  family_flash_nxplink(${TARGET})
+  family_flash_pyocd(${TARGET})
 endfunction()
 
 
diff --git a/hw/bsp/nrf/family.cmake b/hw/bsp/nrf/family.cmake
index ca28c4f5d..9c43478e8 100644
--- a/hw/bsp/nrf/family.cmake
+++ b/hw/bsp/nrf/family.cmake
@@ -132,26 +132,7 @@ function(family_configure_target TARGET)
     )
 
   #---------- Flash ----------
-  # Flash using pyocd
-  add_custom_target(${TARGET}-pyocd
-    DEPENDS ${TARGET}
-    COMMAND pyocd flash -t ${PYOCD_TARGET} $<TARGET_FILE:${TARGET}>
-    )
-
-  # Flash using jlink
-  set(JLINKEXE JLinkExe)
-  file(GENERATE
-    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}.jlink
-    CONTENT "halt
-loadfile $<TARGET_FILE:${TARGET}>
-r
-go
-exit"
-    )
-  add_custom_target(${TARGET}-jlink
-    DEPENDS ${TARGET}
-    COMMAND ${JLINKEXE} -device ${JLINK_DEVICE} -if swd -JTAGConf -1,-1 -speed auto -CommandFile ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}.jlink
-    )
+  family_flash_jlink(${TARGET})
 
 endfunction()