I have a problem that has troubled me for a long time. I used S32DS to generate SPI code. But I found that MISO and MOSI have no signals, but SCK and CS have signals, I think my SPI configuration should be no problem, maybe there is a problem with data assignment. So I went to the TDR register but... I found that there was no value in the register, but I was clearly calling the assignment statement. In addition, when debugging step by step, you can see that the TDR registers have been assigned.
just like that..i just want to send 0x55..
Below is my project, I hope you can help me.