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

update(port/dwc2/usb_hc_dwc2): add check for fifo with ep mps

Browse Source
This commit is contained in:
sakumisu
2024-06-06 21:48:56 +08:00
parent 62ed025ddc
commit f197716f52
1 changed files with 22 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
port/dwc2/usb_hc_dwc2.c
View File

@@ -21,9 +21,9 @@
#define CONFIG_USB_DWC2_PTX_FIFO_SIZE (1024 / 4)
#endif
/*
* (largest USB packet used / 4) + 1 for status information + 1 transfer complete +
* 1 location each for Bulk/Control endpoint for handling NAK/NYET scenario
/*
* (largest USB packet used / 4) + 1 for status information + 1 transfer complete +
* 1 location each for Bulk/Control endpoint for handling NAK/NYET scenario
*/
#ifndef CONFIG_USB_DWC2_RX_FIFO_SIZE
#define CONFIG_USB_DWC2_RX_FIFO_SIZE ((1012 - CONFIG_USB_DWC2_NPTX_FIFO_SIZE - CONFIG_USB_DWC2_PTX_FIFO_SIZE) / 4)
@@ -744,6 +744,25 @@ int usbh_submit_urb(struct usbh_urb *urb)
return -USB_ERR_NOMEM;
}
if (urb->ep->bEndpointAddress & 0x80) {
/* Check if pipe rx fifo is overflow */
if (USB_GET_MAXPACKETSIZE(urb->ep->wMaxPacketSize) > (CONFIG_USB_DWC2_RX_FIFO_SIZE * 4)) {
return -USB_ERR_RANGE;
}
} else {
/* Check if intr and iso pipe tx fifo is overflow */
if (((USB_GET_MAXPACKETSIZE(urb->ep->wMaxPacketSize) == USB_ENDPOINT_TYPE_ISOCHRONOUS) ||
(USB_GET_MAXPACKETSIZE(urb->ep->wMaxPacketSize) == USB_ENDPOINT_TYPE_INTERRUPT)) &&
USB_GET_MAXPACKETSIZE(urb->ep->wMaxPacketSize) > (CONFIG_USB_DWC2_PTX_FIFO_SIZE * 4)) {
return -USB_ERR_RANGE;
} else {
/* Check if control and bulk pipe tx fifo is overflow */
if (USB_GET_MAXPACKETSIZE(urb->ep->wMaxPacketSize) > (CONFIG_USB_DWC2_NPTX_FIFO_SIZE * 4)) {
return -USB_ERR_RANGE;
}
}
}
chan = &g_dwc2_hcd[bus->hcd.hcd_id].chan_pool[chidx];
chan->chidx = chidx;
chan->urb = urb;