static int
ugen20_process(struct libusb20_device *pdev)
{
struct usb_fs_complete temp;
struct usb_fs_endpoint *fsep;
struct libusb20_transfer *xfer;
while (1) {
if (ioctl(pdev->file, IOUSB(USB_FS_COMPLETE), &temp)) {
if (errno == EBUSY) {
break;
} else {
/* device detached */
return (LIBUSB20_ERROR_OTHER);
}
}
fsep = pdev->privBeData;
xfer = pdev->pTransfer;
fsep += temp.ep_index;
xfer += temp.ep_index;
/* update transfer status */
if (fsep->status == 0) {
xfer->aFrames = fsep->aFrames;
xfer->timeComplete = fsep->isoc_time_complete;
xfer->status = LIBUSB20_TRANSFER_COMPLETED;
} else if (fsep->status == USB_ERR_CANCELLED) {
xfer->aFrames = 0;
xfer->timeComplete = 0;
xfer->status = LIBUSB20_TRANSFER_CANCELLED;
} else if (fsep->status == USB_ERR_STALLED) {
xfer->aFrames = 0;
xfer->timeComplete = 0;
xfer->status = LIBUSB20_TRANSFER_STALL;
} else if (fsep->status == USB_ERR_TIMEOUT) {
xfer->aFrames = 0;
xfer->timeComplete = 0;
xfer->status = LIBUSB20_TRANSFER_TIMED_OUT;
} else {
xfer->aFrames = 0;
xfer->timeComplete = 0;
xfer->status = LIBUSB20_TRANSFER_ERROR;
}
libusb20_tr_callback_wrapper(xfer);
}
return (0); /* done */
}
void
libusb20_tr_start(struct libusb20_transfer *xfer)
{
if (!xfer->is_opened) {
/* transfer is not opened */
return;
}
if (xfer->is_pending) {
if (xfer->is_cancel) {
/* cancelling - restart */
xfer->is_restart = 1;
}
/* transfer not pending */
return;
}
/* get into the callback */
libusb20_tr_callback_wrapper(xfer);
return;
}
