usb_mouse_print(mousekey_x, mousekey_y, mousekey_v, mousekey_h, mousekey_btn);
- _delay_ms(MOUSEKEY_DELAY_TIME >> (mousekey_repeat < 5 ? mousekey_repeat : 4));
+ if (mousekey_x || mousekey_y || mousekey_v || mousekey_h)
+ _delay_ms(MOUSEKEY_DELAY_TIME >> (mousekey_repeat < 5 ? mousekey_repeat : 4));
mousekey_repeat++;
} else {
mousekey_repeat = 0;