// put your keyboard start-up code here
// runs once when the firmware starts up
+ DDRB |= (1 << PB0); //init B0
+ PORTB &= ~(1 << PB0); //turn on B0
+ DDRB |= (1 << PB1);
+ PORTB |= (1<<PB1); //turn off B1
+ DDRB |= (1 << PB2);
+ PORTB |= (1<<PB2);
+ DDRB |= (1 << PB3);
+ PORTB |= (1<<PB3);
+
matrix_init_user();
}
led_set_user(usb_led);
}
+
+uint32_t layer_state_set_user(uint32_t state)
+{
+ // if on layer 0, turn on B0 LED, otherwise off.
+ if (biton32(state) == 0) {
+ PORTB &= ~(1<<PB0);
+ } else {
+ PORTB |= (1<<PB0);
+ }
+
+ // if on layer 1, turn on B1 LED, otherwise off.
+ if (biton32(state) == 1) {
+ PORTB &= ~(1<<PB1);
+ } else {
+ PORTB |= (1<<PB1);
+ }
+ // if on layer 2, turn on B2 LED, otherwise off.
+ if (biton32(state) == 2) {
+ PORTB &= ~(1<<PB2);
+ } else {
+ PORTB |= (1<<PB2);
+ }
+
+ // if on layer 3, turn on B3 LED, otherwise off.
+ if (biton32(state) == 3) {
+ PORTB &= ~(1<<PB3);
+ } else {
+ PORTB |= (1<<PB3);
+ }
+
+ return state;
+}