summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--port/dwc2/usb_hc_dwc2.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/port/dwc2/usb_hc_dwc2.c b/port/dwc2/usb_hc_dwc2.c
index 8fa9ce15..f8412b96 100644
--- a/port/dwc2/usb_hc_dwc2.c
+++ b/port/dwc2/usb_hc_dwc2.c
@@ -1021,11 +1021,11 @@ static void dwc2_outchan_irq_handler(uint8_t ch_num)
CLEAR_HC_INT(ch_num, USB_OTG_HCINT_CHH);
if (urb->errorcode == 0) {
- uint32_t count = USB_OTG_HC(ch_num)->HCTSIZ & USB_OTG_HCTSIZ_XFRSIZ; /* how many size has sent */
+ uint32_t count = USB_OTG_HC(ch_num)->HCTSIZ & USB_OTG_HCTSIZ_XFRSIZ; /* last packet size */
uint32_t has_used_packets = chan->num_packets - ((USB_OTG_HC(ch_num)->HCTSIZ & USB_OTG_DIEPTSIZ_PKTCNT) >> 19); /* how many packets have used */
- urb->actual_length += count;
-
+ urb->actual_length += (has_used_packets - 1) * USB_GET_MAXPACKETSIZE(urb->ep->wMaxPacketSize) + count; //the same with urb->actual_length += chan->xferlen;
+
if (has_used_packets % 2) /* toggle in odd numbers */
{
if (urb->data_toggle == HC_PID_DATA0) {