+void usb_remote_wakeup(void) {
+ cli();
+
+ int8_t ddr_orig = USBDDR;
+ USBOUT |= (1 << USBMINUS);
+ USBDDR = ddr_orig | USBMASK;
+ USBOUT ^= USBMASK;
+
+ _delay_ms(25);
+
+ USBOUT ^= USBMASK;
+ USBDDR = ddr_orig;
+ USBOUT &= ~(1 << USBMINUS);
+
+ sei();
+}
+