chMBPostI(&led_mailbox, msg);
chSysUnconditionalUnlock();
}
if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
chSysUnconditionalLock();
chMBPostI(&led_mailbox, msg);
chSysUnconditionalUnlock();
}
if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
chSysUnconditionalLock();