https://community.nxp.com/t5/S32K/S32K116-LSPI-MasterTransfer/m-p/1922771#M38634 <P>我想使用图中的函数进行SPI的异步传输，但是我将SPI配置为DMA传输后这个函数无法实现通信，是否意味着这个函数只能在interrupt模式下调用？</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image.png" style="width: 969px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/291368i043C336A9C05C7D1/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span></P> Thu, 01 Aug 2024 08:38:33 GMT Embedded_novice 2024-08-01T08:38:33Z https://community.nxp.com/t5/S32K/S32K116-LSPI-MasterTransfer/m-p/1922771#M38634 <P>我想使用图中的函数进行SPI的异步传输，但是我将SPI配置为DMA传输后这个函数无法实现通信，是否意味着这个函数只能在interrupt模式下调用？</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image.png" style="width: 969px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/291368i043C336A9C05C7D1/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span></P> Thu, 01 Aug 2024 08:38:33 GMT https://community.nxp.com/t5/S32K/S32K116-LSPI-MasterTransfer/m-p/1922771#M38634 Embedded_novice 2024-08-01T08:38:33Z https://community.nxp.com/t5/S32K/S32K116-LSPI-MasterTransfer/m-p/1926265#M39002 <P>Hi,</P> <P>you can used async transfer using DMA as well, just you need to test if it is completed using&nbsp;LPSPI_DRV_MasterGetTransferStatus or you need to have callback installed to get into it after transfer is finished.</P> <P>You can refer to&nbsp;lpspi_dma_master_s32k116 demo for DMA usage, but blocking function is used there.</P> <P>BR, Petr</P> Tue, 06 Aug 2024 10:06:32 GMT https://community.nxp.com/t5/S32K/S32K116-LSPI-MasterTransfer/m-p/1926265#M39002 PetrS 2024-08-06T10:06:32Z