@@ -210,6 +210,7 @@ void _hw_endpoint_xfer_sync(struct hw_endpoint *ep)
uint16_t transferred_bytes = buf_ctrl & USB_BUF_CTRL_LEN_MASK;
#if TUSB_OPT_HOST_ENABLED
+ // RP2040-E4
// tag::host_buf_sel_fix[]
// TODO need changes to support double buffering
if (ep->buf_sel == 1)
hathach