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-rw-r--r--quantum/led.c12
-rw-r--r--quantum/led.h3
2 files changed, 14 insertions, 1 deletions
diff --git a/quantum/led.c b/quantum/led.c
index c5ddbc22c5..444d38f751 100644
--- a/quantum/led.c
+++ b/quantum/led.c
@@ -15,6 +15,7 @@
*/
#include "led.h"
#include "host.h"
+#include "timer.h"
#include "debug.h"
#include "gpio.h"
@@ -54,6 +55,14 @@ static void handle_backlight_caps_lock(led_t led_state) {
}
#endif
+static uint32_t last_led_modification_time = 0;
+uint32_t last_led_activity_time(void) {
+ return last_led_modification_time;
+}
+uint32_t last_led_activity_elapsed(void) {
+ return timer_elapsed32(last_led_modification_time);
+}
+
/** \brief Lock LED set callback - keymap/user level
*
* \deprecated Use led_update_user() instead.
@@ -174,7 +183,8 @@ void led_task(void) {
// update LED
uint8_t led_status = host_keyboard_leds();
if (last_led_status != led_status) {
- last_led_status = led_status;
+ last_led_status = led_status;
+ last_led_modification_time = timer_read32();
if (debug_keyboard) {
debug("led_task: ");
diff --git a/quantum/led.h b/quantum/led.h
index 934d25312c..b8262cbd8e 100644
--- a/quantum/led.h
+++ b/quantum/led.h
@@ -61,6 +61,9 @@ void led_set_kb(uint8_t usb_led);
bool led_update_user(led_t led_state);
bool led_update_kb(led_t led_state);
+uint32_t last_led_activity_time(void); // Timestamp of the LED activity
+uint32_t last_led_activity_elapsed(void); // Number of milliseconds since the last LED activity
+
#ifdef __cplusplus
}
#endif