diff --git a/.gitignore b/.gitignore
index cd9493a..9de2f7b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,5 @@
 # QtCreator user-specific
 *.pro.user
 
+.idea/
+cmake-build-debug/
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..4ac65ee
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.7)
+project(firmware)
+
+# Fake CMake config for CLion
+
+set(CMAKE_CXX_STANDARD GNU99)
+
+set(SOURCE_FILES
+        main.c
+        lib/calc.h
+        lib/iopins.c
+        lib/iopins.h
+        lib/nsdelay.h
+        lib/spi.c
+        lib/spi.h
+        lib/usart.c
+        lib/usart.h
+        )
+
+include_directories(lib
+        /usr/avr/include/)
+
+add_definitions(-D__AVR_ATmega328P__)
+
+add_executable(firmware ${SOURCE_FILES})