diff --git a/src/gfx/lgfx.cpp b/src/gfx/lgfx.cpp
index 586ebef..9b1c5b6 100644
--- a/src/gfx/lgfx.cpp
+++ b/src/gfx/lgfx.cpp
@@ -1,3 +1,21 @@
+//----------------------------------------------------------------------------
+// OS-Railway - Remote Control
+// Copyright (C) 2023 Peter Siegmund (https://mars3142.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//----------------------------------------------------------------------------
 #include "gfx/lgfx.h"
 
 LGFX::LGFX()
diff --git a/src/gfx/lgfx.h b/src/gfx/lgfx.h
index e71420c..029b3b3 100644
--- a/src/gfx/lgfx.h
+++ b/src/gfx/lgfx.h
@@ -1,3 +1,21 @@
+//----------------------------------------------------------------------------
+// OS-Railway - Remote Control
+// Copyright (C) 2023 Peter Siegmund (https://mars3142.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//----------------------------------------------------------------------------
 #pragma once
 
 #define LGFX_USE_V1
diff --git a/src/gfx/lv_setup.cpp b/src/gfx/lv_setup.cpp
index 0e5fa51..89daba4 100644
--- a/src/gfx/lv_setup.cpp
+++ b/src/gfx/lv_setup.cpp
@@ -1,3 +1,21 @@
+//----------------------------------------------------------------------------
+// OS-Railway - Remote Control
+// Copyright (C) 2023 Peter Siegmund (https://mars3142.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//----------------------------------------------------------------------------
 #include "gfx/lv_setup.h"
 
 #include <lvgl.h>
@@ -58,7 +76,7 @@ void lv_begin()
     tft.init();
     tft.setRotation(1);
 
-    lv_log_register_print_cb(print_cb);
+    // lv_log_register_print_cb(print_cb);
 
     lv_init();
 
diff --git a/src/gfx/lv_setup.h b/src/gfx/lv_setup.h
index 70acb64..04ca1a9 100644
--- a/src/gfx/lv_setup.h
+++ b/src/gfx/lv_setup.h
@@ -1,3 +1,21 @@
+//----------------------------------------------------------------------------
+// OS-Railway - Remote Control
+// Copyright (C) 2023 Peter Siegmund (https://mars3142.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//----------------------------------------------------------------------------
 #pragma once
 
 void lv_begin();
diff --git a/src/ui/launch_screen.cpp b/src/ui/launch_screen.cpp
index 3960b0e..ceb73f6 100644
--- a/src/ui/launch_screen.cpp
+++ b/src/ui/launch_screen.cpp
@@ -1,3 +1,21 @@
+//----------------------------------------------------------------------------
+// OS-Railway - Remote Control
+// Copyright (C) 2023 Peter Siegmund (https://mars3142.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//----------------------------------------------------------------------------
 #include "ui/launch_screen.h"
 
 #include <lvgl.h>
diff --git a/src/ui/launch_screen.h b/src/ui/launch_screen.h
index 0b21c59..5282dab 100644
--- a/src/ui/launch_screen.h
+++ b/src/ui/launch_screen.h
@@ -1,3 +1,21 @@
+//----------------------------------------------------------------------------
+// OS-Railway - Remote Control
+// Copyright (C) 2023 Peter Siegmund (https://mars3142.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//----------------------------------------------------------------------------
 #pragma once
 
 void ui_LaunchScreen_open();