1 files changed, 41 insertions, 0 deletions

diff --git a/keyboard/clueboard2/backlight.c b/keyboard/clueboard2/backlight.c
new file mode 100644
index 000000000..5dfa4ba0a
--- /dev/null
+++ b/keyboard/clueboard2/backlight.c
@@ -0,0 +1,41 @@
+
+#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
+    }
+}
+