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94 lines
3.2 KiB
CMake
94 lines
3.2 KiB
CMake
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# Pre-initialize the Raspberry Pi Pico SDK, setting up the platform and toolchain and some CMake utility functions
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# This file must be included prior to the project() call
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# Note: this file is perhaps named badly, as it provides a method pico_sdk_init which
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# the enclosing project calls LATER to actually "initialize" the SDK (by including the CMakeLists.txt from this
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# same directory)
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if (NOT TARGET _pico_sdk_pre_init_marker)
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add_library(_pico_sdk_pre_init_marker INTERFACE)
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function(pico_is_top_level_project VAR)
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string(TOLOWER ${CMAKE_CURRENT_LIST_DIR} __list_dir)
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string(TOLOWER ${CMAKE_SOURCE_DIR} __source_dir)
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if (__source_dir STREQUAL __list_dir)
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set(${VAR} 1 PARENT_SCOPE)
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else()
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set(${VAR} 0 PARENT_SCOPE)
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endif()
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endfunction()
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function(pico_message_debug MESSAGE)
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# The log-level system was added in CMake 3.15.
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if(${CMAKE_VERSION} VERSION_LESS "3.15.0")
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message(${MESSAGE})
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else()
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message(DEBUG ${MESSAGE})
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endif()
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endfunction()
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if (NOT PICO_SDK_PATH)
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set(PICO_SDK_PATH ${CMAKE_CURRENT_LIST_DIR})
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endif ()
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get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
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set(PICO_SDK_PATH ${CMAKE_CURRENT_LIST_DIR} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
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list(APPEND CMAKE_MODULE_PATH ${PICO_SDK_PATH}/cmake)
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include(${CMAKE_CURRENT_LIST_DIR}/pico_sdk_version.cmake)
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include(pico_utils)
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message("PICO_SDK_PATH is ${CMAKE_CURRENT_LIST_DIR}")
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include(pico_pre_load_platform)
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# We want to configure correct toolchain prior to project load
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# todo perhaps this should be included by the platform instead?
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include(pico_pre_load_toolchain)
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macro(pico_sdk_init)
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if (NOT CMAKE_PROJECT_NAME)
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message(WARNING "pico_sdk_init() should be called after the project is created (and languages added)")
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endif()
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add_subdirectory(${PICO_SDK_PATH} pico-sdk)
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endmacro()
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macro(add_sub_list_dirs var)
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foreach(LIST_DIR IN LISTS ${var})
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get_filename_component(SHORT_NAME "${LIST_DIR}" NAME)
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pico_message_debug("Including custom CMakeLists.txt ${SHORT_NAME}")
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add_subdirectory(${LIST_DIR} ${SHORT_NAME})
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endforeach()
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endmacro()
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macro(add_sub_list_files var)
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foreach(LIST_FILE IN LISTS ${var})
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pico_message_debug("Including custom CMake file ${LIST_FILE}")
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include(${LIST_FILE})
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endforeach()
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endmacro()
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macro(pico_register_common_scope_var NAME)
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if (NOT ${NAME} IN_LIST PICO_PROMOTE_COMMON_SCOPE_VARS)
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list(APPEND PICO_PROMOTE_COMMON_SCOPE_VARS ${NAME})
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endif()
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endmacro()
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set(PICO_PROMOTE_COMMON_SCOPE_VARS
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PICO_INCLUDE_DIRS
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PICO_SDK_POST_LIST_DIRS
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PICO_SDK_POST_LIST_FILES
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PICO_CONFIG_HEADER_FILES
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PICO_RP2040_CONFIG_HEADER_FILES
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)
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macro(pico_promote_common_scope_vars)
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set(PICO_PROMOTE_COMMON_SCOPE_VARS ${PICO_PROMOTE_COMMON_SCOPE_VARS} PARENT_SCOPE)
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foreach(VAR IN LISTS PICO_PROMOTE_COMMON_SCOPE_VARS)
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SET(${VAR} ${${VAR}} PARENT_SCOPE)
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endforeach()
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endmacro()
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endif()
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