release espressif32 Arduino core 3.0.3 based on IDF 5.1.4

examples/espidf-ulp-riscv/main/CMakeLists.txt

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+# Set usual component variables
+set(COMPONENT_SRCS "ulp_riscv_example_main.c")
+set(COMPONENT_ADD_INCLUDEDIRS "")
+set(COMPONENT_REQUIRES soc nvs_flash ulp driver)
+
+register_component()
+
+#
+# ULP support additions to component CMakeLists.txt.
+#
+# 1. The ULP app name must be unique (if multiple components use ULP).
+set(ulp_app_name ulp_${COMPONENT_NAME})
+#
+# 2. Specify all C and Assembly source files.
+#    Files should be placed into a separate directory (in this case, ulp/),
+#    which should not be added to COMPONENT_SRCS.
+set(ulp_riscv_sources "../ulp/main.c")
+
+#
+# 3. List all the component source files which include automatically
+#    generated ULP export file, ${ulp_app_name}.h:
+set(ulp_exp_dep_srcs "ulp_riscv_example_main.c")
+
+#
+# 4. Call function to build ULP binary and embed in project using the argument
+#    values above.
+ulp_embed_binary(${ulp_app_name} "${ulp_riscv_sources}" "${ulp_exp_dep_srcs}")