1 files changed, 49 insertions, 4 deletions
diff --git a/keyboards/cluepad/cluepad.c b/keyboards/cluepad/cluepad.c
index cbbdccb30..1867b617f 100644
--- a/keyboards/cluepad/cluepad.c
+++ b/keyboards/cluepad/cluepad.c
@@ -1,15 +1,60 @@
 #include "cluepad.h"
 
+int pwm_level;
+
 void matrix_init_kb(void) {
     // put your keyboard start-up code here
     // runs once when the firmware starts up
     matrix_init_user();
 
-    #ifdef BACKLIGHT_ENABLE
-        init_backlight_pin();
-    #endif
-
     // JTAG disable for PORT F. write JTD bit twice within four cycles.
     MCUCR |= (1<<JTD);
     MCUCR |= (1<<JTD);
 };
+
+void led_set_kb(uint8_t usb_led)
+{
+    print("led_set\n");
+}
+
+void backlight_init_ports(void)
+{
+    // Set C7 to output
+    DDRC |= (1<<7);
+
+    // Initialize the timer
+    TC4H = 0x03;
+    OCR4C = 0xFF;
+    TCCR4A = 0b10000010;
+    TCCR4B = 0b00000001;
+}
+
+void backlight_set(uint8_t level)
+{
+    // Determine the PWM level
+    switch (level)
+    {
+        case 0:
+            // 33%
+            pwm_level = 0x54;
+            break;
+        case 1:
+            // 66%
+            pwm_level = 0xA8;
+            break;
+        case 2:
+            // 100%
+            pwm_level = 0xFF;
+            break;
+        case 3:
+            // 0%
+            pwm_level = 0x00;
+            break;
+        default:
+            xprintf("Unknown level: %d\n", level);
+    }
+
+    // Write the PWM level to the timer
+    TC4H = pwm_level >> 8;
+    OCR4A = 0xFF & pwm_level;
+}