X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fao_usb.c;h=b4e3f1fe6aa3364bd7925458d6e58af28f4922e8;hp=b55130f2b73366dff311d0130133eb5b5b05ddc3;hb=c7ba92317ac55272acbde12416448ebd17b983a6;hpb=20a472cfe3369200150ea4ff067ceb28968dbcac;ds=sidebyside

diff --git a/src/ao_usb.c b/src/ao_usb.c
index b55130f2..b4e3f1fe 100644
--- a/src/ao_usb.c
+++ b/src/ao_usb.c
@@ -383,8 +383,11 @@ ao_usb_pollchar(void) __critical
 		if ((USBCSOL & USBCSOL_OUTPKT_RDY) == 0)
 			return AO_READ_AGAIN;
 		ao_usb_out_bytes = (USBCNTH << 8) | USBCNTL;
-		if (ao_usb_out_bytes == 0)
+		if (ao_usb_out_bytes == 0) {
+			USBINDEX = AO_USB_OUT_EP;
+			USBCSOL &= ~USBCSOL_OUTPKT_RDY;
 			return AO_READ_AGAIN;
+		}
 	}
 	--ao_usb_out_bytes;
 	c = USBFIFO[AO_USB_OUT_EP << 1];