License and header guard cleanup

Fix some of the license headers being GPL2 when the project should be
GPL3. Next needs a LICENSE file.

Also fix header guards to a more robust <PROJECT>_<PATH> format.

1 files changed, 21 insertions, 3 deletions

diff --git a/usb/endpt0.h b/usb/endpt0.h
index 4ba89ed..706b9f5 100644
--- a/usb/endpt0.h
+++ b/usb/endpt0.h
@@ -1,5 +1,23 @@
-#ifndef USB_ENDPT0_H
-#define USB_ENDPT0_H
+/*
+ * usb/endpt0.h -- USB endpoint 0 (control) handling
+ *
+ * Copyright (C) 2016 Tomasz Kramkowski <tk@the-tk.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef FMK_USB_ENDPT0_H
+#define FMK_USB_ENDPT0_H
 
 #include <stdint.h>
 
@@ -7,4 +25,4 @@ void usb_endpt0_disable(void);
 void usb_endpt0_enable(void);
 void usb_endpt0_token(uint8_t state);
 
-#endif /* USB_ENDPT0_H */
+#endif /* FMK_USB_ENDPT0_H */