esp-idf/examples/system/lp_core/lp_i2c/main/CMakeLists.txt

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CMake

# Register the component
idf_component_register(SRCS "lp_i2c_main.c"
INCLUDE_DIRS ""
REQUIRES ulp)
#
# ULP support additions to component CMakeLists.txt.
#
# 1. The LP Core app name must be unique (if multiple components use LP Core).
set(ulp_app_name lp_core_${COMPONENT_NAME})
#
# 2. Specify all C files.
# Files should be placed into a separate directory (in this case, lp_core/),
# which should not be added to COMPONENT_SRCS.
set(ulp_lp_core_sources "lp_core/main.c")
#
# 3. List all the component source files which include automatically
# generated LP Core export file, ${ulp_app_name}.h:
set(ulp_exp_dep_srcs "lp_i2c_main.c")
#
# 4. Call function to build ULP binary and embed in project using the argument
# values above.
ulp_embed_binary(${ulp_app_name} "${ulp_lp_core_sources}" "${ulp_exp_dep_srcs}")