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STM3241G-EVAL FatFs_uSD Example doesn't work?

Question asked by Bobby Hayes on Sep 14, 2017


I'm trying to get the MicroSD to work on the STM3214G-EVAL board without RTOS.  I'm using TrueStudio with the library: STM32Cube_FW_F4_V1.16.0.  


The examples I'm using are under: 



When I straight up load the projects, compile and run, the FatFs_uSD_RTOS works fine, but the FatFs_uSD project goes to Error_Handler() at the line:

  if(f_mkfs((TCHAR const*)SDPath, 0, 0) != FR_OK)

I'm trying different things, but I can't get it to work.  Can someone help out?