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