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/uart/uart.h b/uart/uart.h
index 2733bb7..bb5c6f7 100644
--- a/uart/uart.h
+++ b/uart/uart.h
@@ -1,5 +1,23 @@
-#ifndef UART_UART_H
-#define UART_UART_H
+/*
+ * uart/uart.h -- hardware UART interface
+ *
+ * Copyright (C) 2016-2017 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_UART_UART_H
+#define FMK_UART_UART_H
 
 void uart_setup(void);
 void uart_putchar(int c);
@@ -7,4 +25,4 @@ void uart_printf(const char *fmt, ...);
 void uart_puts(const char *s);
 void uart0_isr(void);
 
-#endif /* UART_UART_H */
+#endif /* FMK_UART_UART_H */