63 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
		
		
			
		
	
	
			63 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
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								# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake
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								# This can be dropped into an external project to help locate this SDK
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								# It should be include()ed prior to project()
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								if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
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								    set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
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								    message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
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								endif ()
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								if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT))
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								    set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT})
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								    message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')")
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								endif ()
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								if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH))
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								    set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH})
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								    message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
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								endif ()
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								set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
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								set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
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								set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
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								if (NOT PICO_SDK_PATH)
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								    if (PICO_SDK_FETCH_FROM_GIT)
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								        include(FetchContent)
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								        set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
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								        if (PICO_SDK_FETCH_FROM_GIT_PATH)
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								            get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
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								        endif ()
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								        FetchContent_Declare(
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								                pico_sdk
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								                GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
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								                GIT_TAG master
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								        )
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								        if (NOT pico_sdk)
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								            message("Downloading Raspberry Pi Pico SDK")
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								            FetchContent_Populate(pico_sdk)
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								            set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
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								        endif ()
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								        set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
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								    else ()
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								        message(FATAL_ERROR
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								                "SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
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								                )
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								    endif ()
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								endif ()
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								get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
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								if (NOT EXISTS ${PICO_SDK_PATH})
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								    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found")
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								endif ()
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								set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
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								if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
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								    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK")
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								endif ()
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								set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
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								include(${PICO_SDK_INIT_CMAKE_FILE})
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