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altos: Windows sends USB Out packets of 0 length. Ack them.
[fw/altos]
/
src
/
ao_usb.c
diff --git
a/src/ao_usb.c
b/src/ao_usb.c
index f6e0fcf91b54e83e643b46eeec599f5dacce06db..b4e3f1fe6aa3364bd7925458d6e58af28f4922e8 100644
(file)
--- a/
src/ao_usb.c
+++ b/
src/ao_usb.c
@@
-43,7
+43,7
@@
ao_usb_set_interrupts(void)
* so when we hook that up, fix this
*/
void
* so when we hook that up, fix this
*/
void
-ao_usb_isr(void) interrupt 6
+ao_usb_isr(void)
__
interrupt 6
{
USBIF = 0;
ao_usb_iif |= USBIIF;
{
USBIF = 0;
ao_usb_iif |= USBIIF;
@@
-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 ((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;
return AO_READ_AGAIN;
+ }
}
--ao_usb_out_bytes;
c = USBFIFO[AO_USB_OUT_EP << 1];
}
--ao_usb_out_bytes;
c = USBFIFO[AO_USB_OUT_EP << 1];