@ -19,6 +19,15 @@ void matrix_init_kb(void) {
/ / 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 ( ) ;
}
@ -41,3 +50,35 @@ void led_set_kb(uint8_t usb_led) {
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 ;
}