esp-idf/docs/doxygen/Doxyfile_esp32

INPUT += \
         $(PROJECT_PATH)/components/driver/touch_sensor/$(IDF_TARGET)/include/driver/touch_sensor.h \
         $(PROJECT_PATH)/components/esp_psram/include/esp32/himem.h \
         $(PROJECT_PATH)/components/soc/$(IDF_TARGET)/include/soc/dac_channel.h \
         $(PROJECT_PATH)/components/soc/$(IDF_TARGET)/include/soc/rtc_io_channel.h \
         $(PROJECT_PATH)/components/soc/$(IDF_TARGET)/include/soc/touch_sensor_channel.h \
         $(PROJECT_PATH)/components/ulp/ulp_common/include/$(IDF_TARGET)/ulp_common_defs.h \
         $(PROJECT_PATH)/components/ulp/ulp_fsm/include/$(IDF_TARGET)/ulp.h \