chore: switch to eil-cmake-utils

Author: Руслан Ус

.gitmodules

@@ -1,3 +1,3 @@
-[submodule "common"]
-	path = common
-	url = https://github.com/esp-idf-lib/common.git
+[submodule "eil-cmake-utils"]
+	path = eil-cmake-utils
+	url = git@github.com:esp-idf-lib/eil-cmake-utils.git

CMakeLists.txt

@@ -1,13 +1,11 @@
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/eil-cmake-utils/cmake)
+include(eil_check_idf_features)
+eil_check_idf_has_esp_drivers()
+
 idf_component_register(
     SRCS tca6424a.c
     INCLUDE_DIRS .
     REQUIRES i2cdev log esp_idf_lib_helpers
 )
 
-# include common cmake file for components
-set(ESP_IDF_LIB_CMAKE ${CMAKE_CURRENT_LIST_DIR}/common/cmake/esp-idf-lib.cmake)
-if(EXISTS ${ESP_IDF_LIB_CMAKE})
-    include(${ESP_IDF_LIB_CMAKE})
-else()
-    message(WARNING "${ESP_IDF_LIB_CMAKE} not found")
-endif()
+include(eil_ci)

common

@@ -7,7 +7,9 @@
 
 ## Wiring
 
-Connect an LED with an appropriate register to P10.
+Connect an LED with an appropriate current-limiting resistor to pin P10 of the TCA6424A.
+Connect buttons between pins P01, P02, and P03 of the TCA9564A and ground.
+Connect the INT pin of the TCA9564A to a selected GPIO of the ESP32.
 
-Connect a switch that toggle its voltage HIGH or LOW to INT GPIO. The INT GPIO
-can be set in `menuconfig`. See the defaults in `Kconfig.projbuild`.
+The GPIO for connecting INT can be chosen in `menuconfig`. 
+See the default settings in `Kconfig.projbuild`.