~ruther/qmk_firmware

ref: b3d41d9d6dd2af73e526c3c83ad9b623c97bfc38 qmk_firmware/keyboards/melody96/melody96.c -rw-r--r-- 502 bytes
b3d41d9d — noroadsleft [Keyboard] Reviung39: Configurator layout support (#6819) 6 years ago 
                                                                                
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#include "melody96.h"

void led_set_kb(uint8_t usb_led) {
	if (usb_led & (1 << USB_LED_NUM_LOCK)) {
		DDRC |= (1 << 6); PORTC &= ~(1 << 6);
	} else {
		DDRC &= ~(1 << 6); PORTC &= ~(1 << 6);
	}

	if (usb_led & (1 << USB_LED_CAPS_LOCK)) {
		DDRC |= (1 << 7); PORTC &= ~(1 << 7);
	} else {
		DDRC &= ~(1 << 7); PORTC &= ~(1 << 7);
	}

	if (usb_led & (1 << USB_LED_SCROLL_LOCK)) {
		DDRB |= (1 << 5); PORTB &= ~(1 << 5);
	} else {
		DDRB &= ~(1 << 5); PORTB &= ~(1 << 5);
	}

    led_set_user(usb_led);
}