/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
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
#include "stdint.h"
#include "led.h"
+/* LED pin configuration
+ *
+ * Caps PB0 (low)
+ * NumLock PB4 (low)
+ *
+ */
void led_set(uint8_t usb_led)
{
+ // Set as output.
+ DDRB |= (1<<0) | (1<<4);
+
+ 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_NUM_LOCK))
+ {
+ // Output low.
+ PORTB &= ~(1<<4);
+ }
+ else
+ {
+ // Output high.
+ PORTB |= (1<<4);
+ }
}