yemai/CherryUSB
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

update(port/dwc2/usb_hc_dwc2): stop split transfer when intr nak, follow with nosplit intr transfer

Browse Source 
Signed-off-by: sakumisu <1203593632@qq.com>
This commit is contained in:
sakumisu
2025-07-31 21:22:48 +08:00
parent 4ab097d9dc
commit 65288c9d5b
1 changed files with 32 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
port/dwc2/usb_hc_dwc2.c
View File

@@ -1215,9 +1215,22 @@ static void dwc2_inchan_irq_handler(struct usbh_bus *bus, uint8_t ch_num)
} else if (chan_intstatus & USB_OTG_HCINT_NAK) {
if (chan->do_ssplit) {
/* restart ssplit transfer */
chan->do_csplit = 0;
dwc2_chan_enable_csplit(bus, ch_num, false);
dwc2_chan_reenable(bus, ch_num);
switch (USB_GET_ENDPOINT_TYPE(urb->ep->bmAttributes)) {
case USB_ENDPOINT_TYPE_CONTROL:
case USB_ENDPOINT_TYPE_BULK:
chan->do_csplit = 0;
dwc2_chan_enable_csplit(bus, ch_num, false);
dwc2_chan_reenable(bus, ch_num);
break;
case USB_ENDPOINT_TYPE_INTERRUPT:
dwc2_chan_enable_csplit(bus, ch_num, false);
urb->errorcode = -USB_ERR_NAK;
dwc2_urb_waitup(urb);
break;
default:
break;
}
} else {
urb->errorcode = -USB_ERR_NAK;
dwc2_urb_waitup(urb);
@@ -1339,9 +1352,22 @@ static void dwc2_outchan_irq_handler(struct usbh_bus *bus, uint8_t ch_num)
} else if (chan_intstatus & USB_OTG_HCINT_NAK) {
if (chan->do_ssplit) {
/* restart ssplit transfer */
chan->do_csplit = 0;
dwc2_chan_enable_csplit(bus, ch_num, false);
dwc2_chan_reenable(bus, ch_num);
switch (USB_GET_ENDPOINT_TYPE(urb->ep->bmAttributes)) {
case USB_ENDPOINT_TYPE_CONTROL:
case USB_ENDPOINT_TYPE_BULK:
chan->do_csplit = 0;
dwc2_chan_enable_csplit(bus, ch_num, false);
dwc2_chan_reenable(bus, ch_num);
break;
case USB_ENDPOINT_TYPE_INTERRUPT:
dwc2_chan_enable_csplit(bus, ch_num, false);
urb->errorcode = -USB_ERR_NAK;
dwc2_urb_waitup(urb);
break;
default:
break;
}
} else {
urb->errorcode = -USB_ERR_NAK;
dwc2_urb_waitup(urb);