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S32K146+LPSPI+FREERTOS run time

Question asked by Caroline Liu on Mar 31, 2020
Latest reply on Apr 13, 2020 by Caroline Liu

Hi, everyone!

 

I 'm using S32K146. My LPSPI communication is under FreeRTOS operating system. When I download my project to the chip, the Run Time in FreeRTOS Task List shows that my lpspi Task is 0%. But I put it in the c / c ++ project, the Run Time became 10.6%, the code of two project files are the same, but why is there such a big difference in Run Time?

Can anyone help?

 

IDE: S32 Design Studio for ARM v3.0.0

 

 

Here is in c Project:

 

Here is in c/c++ project:

 

Thanks!

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