following suggestion by @kasjer

This commit is contained in:
Peter Lawrence
2020-03-15 18:32:02 -05:00
parent e7efcb6fd5
commit aafddfe637

View File

@@ -413,7 +413,7 @@ bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_
// Though maybe the baudrate is not really important !!!
if ( ep_addr == p_cdc->ep_in )
{
if ( xferred_bytes && (0 == (xferred_bytes % CFG_TUD_CDC_EPSIZE)) ) usbd_edpt_xfer(TUD_OPT_RHPORT, p_cdc->ep_in, NULL, 0);
if ( xferred_bytes && (0 == (xferred_bytes % CFG_TUD_CDC_EPSIZE)) && (0 == p_cdc->tx_ff.count) ) usbd_edpt_xfer(TUD_OPT_RHPORT, p_cdc->ep_in, NULL, 0);
}
// nothing to do with notif endpoint for now