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https://github.com/espressif/esp-idf.git
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47 lines
1.6 KiB
CMake
47 lines
1.6 KiB
CMake
# A CMake script to run esptool commands from within ninja or make
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# or another cmake-based build runner
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#
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# (Needed to expand environment variables, for backwards compatibility.)
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#
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# It is recommended to NOT USE this CMake script if you have the option of
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# running esptool.py directly. This script exists only for use inside CMake builds.
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#
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cmake_minimum_required(VERSION 3.5)
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if(NOT IDF_PATH OR NOT ESPTOOLPY OR NOT ESPTOOL_ARGS OR NOT ESPTOOL_WORKING_DIR)
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message(FATAL_ERROR "IDF_PATH, ESPTOOLPY, ESPTOOL_ARGS, and ESPTOOL_WORKING_DIR must "
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"be specified on the CMake command line. For direct esptool execution, it is "
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"strongly recommended to run esptool.py directly.")
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endif()
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# Note: we can't expand these environment variables in the main IDF CMake build,
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# because we want to expand them at flashing time not at CMake runtime (so they can change
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# without needing a CMake re-run)
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set(ESPPORT $ENV{ESPPORT})
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if(NOT ESPPORT)
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message("Note: esptool.py will search for a serial port. To specify a port, set the ESPPORT environment variable.")
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else()
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set(port_arg "-p ${ESPPORT}")
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endif()
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set(ESPBAUD $ENV{ESPBAUD})
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if(NOT ESPBAUD)
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message("Note: Using default baud rate 460800. To modify, set ESPBAUD environment variable.")
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set(ESPBAUD 460800)
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endif()
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include("${IDF_PATH}/tools/cmake/utilities.cmake")
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set(cmd "${ESPTOOLPY} ${port_arg} -b ${ESPBAUD} ${ESPTOOL_ARGS}")
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spaces2list(cmd)
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execute_process(COMMAND ${cmd}
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WORKING_DIRECTORY "${ESPTOOL_WORKING_DIR}"
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RESULT_VARIABLE result
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)
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if(${result})
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# No way to have CMake silently fail, unfortunately
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message(FATAL_ERROR "esptool.py failed")
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endif()
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