#include "cluepad.h"
-__attribute__ ((weak))
-void matrix_init_user(void) {
- // leave these blank
-};
-
-__attribute__ ((weak))
-void matrix_scan_user(void) {
- // leave these blank
-};
+int pwm_level;
void matrix_init_kb(void) {
// put your keyboard start-up code here
// runs once when the firmware starts up
- if (matrix_init_user) {
- (*matrix_init_user)();
- }
-
- #ifdef BACKLIGHT_ENABLE
- init_backlight_pin();
- #endif
+ matrix_init_user();
// JTAG disable for PORT F. write JTD bit twice within four cycles.
MCUCR |= (1<<JTD);
MCUCR |= (1<<JTD);
};
-void matrix_scan_kb(void) {
- // put your looping keyboard code here
- // runs every cycle (a lot)
- if (matrix_scan_user) {
- (*matrix_scan_user)();
- }
-};
+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;
+}