how to test spi_loopback in NCS1.8? how to know recv data lenght?

[yoyou]

Hello,

nRF Connect SDK1.8.0, Windows10 X64.

default code, test spi loopback,

how to know recv data lenght?

    

thanks

Best  regards,

yuyou

[Øivind]

Like I said in my first reply, you need to interpret the contents of the rx buffer to know the length of received data in the master. It will always receive the full size of the rx buffer, and your driver or application needs to figure out how much of that data is useful.

[Øivind]

Closing this case due to this duplicate: https://devzone.nordicsemi.com/support-private/support/284016