S32KのトピックRe: LPSPI single line half duplex

LPSPI single line half duplex

Niuyanlin — Mon, 26 Jun 2023 05:50:06 GMT

Hello NXP team.

Can you provide a routine for using the S32K118 SPI module for single line half duplex? How do you mainly send and receive data?

I hope to receive your reply in a timely manner

Re: LPSPI single line half duplex

Robin_Shen — Mon, 26 Jun 2023 07:18:30 GMT

Hi Niuyanlin,

Please refer to the Lpspi_Ip_HalfDuplexTransfer_S32K118 in S32K1 RTD or bare metal example LPSPI_half_duplex.zip in S32K 3-Wire SPI Drivers.

Best Regards,
Robin
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Re: LPSPI single line half duplex

Niuyanlin — Wed, 28 Jun 2023 06:34:56 GMT

@Robin_Shen
Can you explain this sentence in detail：
Please close the register/memory views in the debugger so that it can't read the RDR register.