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-rw-r--r--keyboard/kmac/led.c54
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diff --git a/keyboard/kmac/led.c b/keyboard/kmac/led.c
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+/*
+Copyright 2012 Jun Wako <wakojun@gmail.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 2 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/>.
+*/
+
+#include <avr/io.h>
+#include "stdint.h"
+#include "led.h"
+
+
+/* LED pin configuration
+ * Scroll Lock: Low PE6
+ * Caps Lock: Low PB0
+ */
+void led_set(uint8_t usb_led)
+{
+ // Set as output.
+ DDRB |= (1<<0);
+ DDRE |= (1<<6);
+
+ if (usb_led & (1<<USB_LED_CAPS_LOCK))
+ {
+ // Output low.
+ PORTB &= ~(1<<0);
+ }
+ else
+ {
+ // Output high.
+ PORTB |= (1<<0);
+ }
+
+ if (usb_led & (1<<USB_LED_SCROLL_LOCK))
+ {
+ // Output low.
+ PORTE &= ~(1<<6);
+ }
+ else
+ {
+ // Output high.
+ PORTE |= (1<<6);
+ }
+}