P-Series中的主题 P2020 eTSEC DMA mandatory or FIFO polling ? https://community.nxp.com/t5/P-Series/P2020-eTSEC-DMA-mandatory-or-FIFO-polling/m-p/582173#M3480 <HTML><HEAD></HEAD><BODY><P>Hi !</P><P>On the P2020 processor, we want not use the DMA for eTSEC, but polling&nbsp;the internal FIFOs instead.</P><P>Could we do that ? or the DMA is mandatory ?</P></BODY></HTML> Thu, 01 Sep 2016 14:07:49 GMT philippeleray 2016-09-01T14:07:49Z P2020 eTSEC DMA mandatory or FIFO polling ? https://community.nxp.com/t5/P-Series/P2020-eTSEC-DMA-mandatory-or-FIFO-polling/m-p/582173#M3480 <HTML><HEAD></HEAD><BODY><P>Hi !</P><P>On the P2020 processor, we want not use the DMA for eTSEC, but polling&nbsp;the internal FIFOs instead.</P><P>Could we do that ? or the DMA is mandatory ?</P></BODY></HTML> Thu, 01 Sep 2016 14:07:49 GMT https://community.nxp.com/t5/P-Series/P2020-eTSEC-DMA-mandatory-or-FIFO-polling/m-p/582173#M3480 philippeleray 2016-09-01T14:07:49Z Re: P2020 eTSEC DMA mandatory or FIFO polling ? https://community.nxp.com/t5/P-Series/P2020-eTSEC-DMA-mandatory-or-FIFO-polling/m-p/582174#M3481 <HTML><HEAD></HEAD><BODY><P>There is no way to poll internal FIFO - this operation is not supported, because there is no such register in eTSEC register model.</P></BODY></HTML> Fri, 02 Sep 2016 00:53:37 GMT https://community.nxp.com/t5/P-Series/P2020-eTSEC-DMA-mandatory-or-FIFO-polling/m-p/582174#M3481 alexander_yakov 2016-09-02T00:53:37Z