diff --git a/CMakeLists.txt b/pdu/CMakeLists.txt
similarity index 100%
rename from CMakeLists.txt
rename to pdu/CMakeLists.txt
diff --git a/pdu.c b/pdu/pdu.c
similarity index 100%
rename from pdu.c
rename to pdu/pdu.c
diff --git a/pico_sdk_import.cmake b/pdu/pico_sdk_import.cmake
similarity index 100%
rename from pico_sdk_import.cmake
rename to pdu/pico_sdk_import.cmake