fopen in simulation


I try to understand how I can use fopen with the simulator of keil. The processor use is a CORTEX-M4.

I need to do that because I develop unit test under RTRT and use Keil to run the instrumented code. The function fopen is added by RTRT to save the information of the test for the report.

I already read that semihosting is not supported in uVision debugger and I need to redefine the _sys functions but I can't find any example that create file.

Is someone as already had this problem?

Best regards


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