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-rw-r--r--keyboard/clueboard2/backlight.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/keyboard/clueboard2/backlight.c b/keyboard/clueboard2/backlight.c
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+++ b/keyboard/clueboard2/backlight.c
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+
+#include <avr/io.h>
+#include "backlight.h"
+#include "print.h"
+
+/* Clueboard 2.0 LED locations:
+ *
+ * Capslock: B4, pull high to turn on
+ * LCtrl: Shared with Capslock, DO NOT INSTALL LED'S IN BOTH
+ * Page Up: B7, pull high to turn on
+ * Escape: D6, pull high to turn on
+ * Arrows: D4, pull high to turn on
+ */
+
+void init_backlight_pin(void) {
+ print("init_backlight_pin()\n");
+ // Set our LED pins as output
+ DDRD |= (1<<6); // Esc
+ DDRB |= (1<<7); // Page Up
+ DDRD |= (1<<4); // Arrows
+
+ // Set our LED pins low
+ PORTD &= ~(1<<6); // Esc
+ PORTB &= ~(1<<7); // Page Up
+ PORTD &= ~(1<<4); // Arrows
+}
+
+void backlight_set(uint8_t level) {
+ if ( level == 0 ) {
+ // Turn off light
+ PORTD |= (1<<6); // Esc
+ PORTB |= (1<<7); // Page Up
+ PORTD |= (1<<4); // Arrows
+ } else {
+ // Turn on light
+ PORTD &= ~(1<<6); // Esc
+ PORTB &= ~(1<<7); // Page Up
+ PORTD &= ~(1<<4); // Arrows
+ }
+}
+