for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
endpoint = &iface_desc->endpoint[i].desc;
- if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) &&
- ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
- dev->interrupt_in_endpoint = endpoint;
- }
-
- if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) &&
- ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
- dev->interrupt_out_endpoint = endpoint;
+ if (usb_endpoint_xfer_int(endpoint)) {
+ if (usb_endpoint_dir_in(endpoint))
+ dev->interrupt_in_endpoint = endpoint;
+ else
+ dev->interrupt_out_endpoint = endpoint;
}
}
if(dev->interrupt_in_endpoint == NULL) {