applied platformio structure

lib/_override/CMakeLists.txt

@@ -0,0 +1,24 @@
+if(IDF_TARGET STREQUAL esp32 AND IDF_VERSION_MAJOR EQUAL 4 AND IDF_VERSION_MINOR LESS 4)
+    set(lib_dir ${build_dir}/esp-idf)
+    set(driver esp32/i2s.c)
+    string(REPLACE ".c" ".c.obj" driver_obj "${driver}")
+
+    idf_component_register( SRCS ${driver}
+                        REQUIRES driver           
+                        INCLUDE_DIRS ${IDF_PATH}/components/driver
+                        PRIV_INCLUDE_DIRS ${IDF_PATH}/components/driver/include/driver
+    )
+
+    # CMake is just a pile of crap
+    message(STATUS "!! overriding ${driver} !!")
+    message(STATUS "CAREFUL, LIBRARIES STRIPPING FROM DUPLICATED COMPONENTS DEPENDS ON THIS BEING REBUILD")
+
+    add_custom_command(
+                TARGET ${COMPONENT_LIB}
+                PRE_LINK
+                COMMAND xtensa-esp32-elf-ar -d ${lib_dir}/driver/libdriver.a ${driver_obj}
+                VERBATIM
+    )
+else()
+    message(STATUS "==> NO OVERRIDE <==")
+endif()