Initial implementation for the KMAC

1 files changed, 54 insertions, 0 deletions

diff --git a/keyboard/kmac/led.c b/keyboard/kmac/led.c
new file mode 100644
index 000000000..7fa008a43
--- /dev/null
+++ b/keyboard/kmac/led.c
@@ -0,0 +1,54 @@
+/*
+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);
+    }
+}