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Visitor II
October 10, 2020
Question

FATFS poor write performance because of disk write waiting

  • October 10, 2020
  • 0 replies
  • 500 views

I have debugged poor f_write performance to SD card on H743 and have noted, that BSP funtion waits the disk write command to complete before return. What for was it so designed? It will work much faster if to return immediately after giving the write command and wait before the next command, if it will be given shortly.

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