S32K344 SPI DMA

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S32K344 SPI DMA

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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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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%20as%20Master%2CSPI5%20as%20Slave%2C%26nbsp%3Buse%20DMA%20to%20send%20and%20receive%20data%2C%20S32DS3.5%2BRTD4.0.0%2Cdata%20received%20is%20error.Please%26nbsp%3Bhelp%26nbsp%3Bto%26nbsp%3Bsolve%26nbsp%3Bthis%26nbsp%3Bproblem%EF%BC%81%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%3Ehi%26nbsp%3B%3CA%20href%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fuser%2Fviewprofilepage%2Fuser-id%2F160021%22%20target%3D%22_blank%22%3E%40huangqiang11%3C%2FA%3E%26nbsp%3B%3C%2FP%3E%0A%3CP%3EAre%20you%20using%20a%20custom%20board%20or%20an%20EVB%3F%20Could%20you%20please%20provide%20an%20image%20of%20the%20SPI%20signals%20and%20the%20values%20currently%20stored%20in%20the%20RX%20buffers%3F%3C%2FP%3E%0A%3CBR%20%2F%3E%0A%3CP%3EBR%2C%20VaneB%3C%2FP%3E%3C%2FLINGO-BODY%3E