https://community.nxp.com/t5/S32K/Serial-receive/m-p/1480587#M16100 <P>When I use this interface to receive data, why can I only receive the first byte？</P><P>LPUART_DRV_ReceiveData(INST_LPUART0, &amp;rbuf, 1);</P> Mon, 27 Jun 2022 12:38:01 GMT Ada-gc 2022-06-27T12:38:01Z https://community.nxp.com/t5/S32K/Serial-receive/m-p/1480587#M16100 <P>When I use this interface to receive data, why can I only receive the first byte？</P><P>LPUART_DRV_ReceiveData(INST_LPUART0, &amp;rbuf, 1);</P> Mon, 27 Jun 2022 12:38:01 GMT https://community.nxp.com/t5/S32K/Serial-receive/m-p/1480587#M16100 Ada-gc 2022-06-27T12:38:01Z https://community.nxp.com/t5/S32K/Serial-receive/m-p/1480825#M16104 <P>Hi</P> <P><SPAN>LPUART_DRV_ReceiveData(INST_LPUART0, &amp;rbuf, <STRONG>1</STRONG>); here you set the rxSize=1, so it will only receive one date.</SPAN></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Interrupt-based communication nobookmark .png" style="width: 802px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/184802i7C0EF69F034C0BDC/image-size/large?v=v2&amp;px=999" role="button" title="Interrupt-based communication nobookmark .png" alt="Interrupt-based communication nobookmark .png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LPUART_DRV_ReceiveData main lpuart_driver.png" style="width: 825px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/184803i13148EA0F975286C/image-size/large?v=v2&amp;px=999" role="button" title="LPUART_DRV_ReceiveData main lpuart_driver.png" alt="LPUART_DRV_ReceiveData main lpuart_driver.png" /></span></P> <P>LPUART_DRV_SetRxBuffer can be called from the rx callback to provide a different buffer for continuous reception.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LPUART_DRV_SetRxBuffer.png" style="width: 809px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/184804i1136C471AF526D99/image-size/large?v=v2&amp;px=999" role="button" title="LPUART_DRV_SetRxBuffer.png" alt="LPUART_DRV_SetRxBuffer.png" /></span></P> <P><SPAN>Hope it helps:</SPAN><A href="https://www.nxpic.org.cn/module/forum/thread-628959-1-1.html" target="_self"><SPAN>S32K1xx SDK LPUART外设驱动接收介绍</SPAN></A></P> <P>Best Regards,<BR />Robin<BR />-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!</P> <P>- We are following threads for 7 weeks after the last post, later replies are ignored<BR />Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P> Tue, 28 Jun 2022 01:10:59 GMT https://community.nxp.com/t5/S32K/Serial-receive/m-p/1480825#M16104 Robin_Shen 2022-06-28T01:10:59Z