S32K344 SPI DMA

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S32K344 SPI DMA

181 次查看
huangqiang11
Contributor I

SPI2 as Master,SPI5 as Slave, use DMA to send and receive data, S32DS3.5+RTD4.0.0,data received is error.Please help to solve this problem!

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159 次查看
VaneB
NXP TechSupport
NXP TechSupport

hi @huangqiang11 

Are you using a custom board or an EVB? Could you please provide an image of the SPI signals and the values currently stored in the RX buffers?

 

BR, VaneB

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%3CLINGO-SUB%20id%3D%22lingo-sub-2346203%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3ES32K344%20SPI%20DMA%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2346203%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3ESPI2%20%E4%BD%9C%E4%B8%BA%E4%B8%BB%E7%AB%99%EF%BC%8CSPI5%20%E4%BD%9C%E4%B8%BA%E4%BB%8E%E7%AB%99%EF%BC%8C%E4%BD%BF%E7%94%A8%20DMA%20%E5%8F%91%E9%80%81%E5%92%8C%E6%8E%A5%E6%94%B6%E6%95%B0%E6%8D%AE%EF%BC%8CS32DS3.5%2BRTD4.0.0%EF%BC%8C%E6%8E%A5%E6%94%B6%E5%88%B0%E7%9A%84%E6%95%B0%E6%8D%AE%E9%94%99%E8%AF%AF%E3%80%82%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2346530%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20S32K344%20SPI%20DMA%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2346530%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E4%BD%A0%E5%A5%BD%3CA%20href%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fuser%2Fviewprofilepage%2Fuser-id%2F160021%22%20target%3D%22_blank%22%3E%40%E9%BB%84%E5%BC%BA11%3C%2FA%3E%3C%2FP%3E%0A%3CP%3E%E4%BD%A0%E4%BD%BF%E7%94%A8%E7%9A%84%E6%98%AF%E5%AE%9A%E5%88%B6%E6%9D%BF%E8%BF%98%E6%98%AF%20EVB%EF%BC%9F%E6%82%A8%E8%83%BD%E5%90%A6%E6%8F%90%E4%BE%9BSPI%E4%BF%A1%E5%8F%B7%E5%92%8C%E5%BD%93%E5%89%8D%E5%AD%98%E5%82%A8%E5%9C%A8RX%E7%BC%93%E5%86%B2%E5%8C%BA%E4%B8%AD%E7%9A%84%E5%80%BC%E7%9A%84%E5%9B%BE%E5%83%8F%EF%BC%9F%3C%2FP%3E%0A%3CBR%20%2F%3E%0A%3CP%3EBR%E3%80%81VaneB%3C%2FP%3E%3C%2FLINGO-BODY%3E