TXFE is read only bit

2020-04-27 12:06:14 +07:00
parent d0487088ac
commit e785b09118
1 changed files with 2 additions and 1 deletions
--- a/src/portable/st/synopsys/dcd_synopsys.c
+++ b/src/portable/st/synopsys/dcd_synopsys.c
@@ -679,7 +679,8 @@ static void handle_epin_ints(USB_OTG_DeviceTypeDef * dev, USB_OTG_INEndpointType
      // XFER FIFO empty
      if ( in_ep[n].DIEPINT & USB_OTG_DIEPINT_TXFE )
      {
-        in_ep[n].DIEPINT = USB_OTG_DIEPINT_TXFE;
+        // DIEPINT's TXFE bit is read-only -> no need to clear
+
        transmit_packet(xfer, &in_ep[n], n);

        // Turn off TXFE if all bytes are written.