jlj-qmk/keyboards/crkbd/lib/host_led_state_reader.c
marksard 35efcc9f39 Keyboard: Improvement of crkbd communication functions (based on helix-keyboard) (#3798)
* improvement of crkbd communication functions (based on  helix-keyboard)

* Removed unnecessary code.

* Changed read restriction from #define to #pragma once.

* Changed from sizeof to defined size.

* moved lib folder to crkbdroot.
removed warning of ws2812.d
2018-09-03 16:34:16 -07:00

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442 B
C

#include <stdio.h>
#include "crkbd.h"
char host_led_state_str[24];
const char *read_host_led_state(void)
{
uint8_t leds = host_keyboard_leds();
snprintf(host_led_state_str, sizeof(host_led_state_str), "NL:%s CL:%s SL:%s",
(leds & (1 << USB_LED_NUM_LOCK)) ? "on" : "- ",
(leds & (1 << USB_LED_CAPS_LOCK)) ? "on" : "- ",
(leds & (1 << USB_LED_SCROLL_LOCK)) ? "on" : "- ");
return host_led_state_str;
}