Keyboard: Improvement of crkbd communication functions (based on helix-keyboard)...

[qmk_firmware.git] / keyboards / crkbd / lib / host_led_state_reader.c

diff --git a/keyboards/crkbd/lib/host_led_state_reader.c b/keyboards/crkbd/lib/host_led_state_reader.c
new file mode 100644 (file)
index 0000000..41ac55d
--- /dev/null
+++ b/keyboards/crkbd/lib/host_led_state_reader.c
@@ -0,0 +1,15 @@
+#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;
+}