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sheyong5499 · 2016-10-25

Posted on October 25, 2016 at 11:50Hello everyone,I am implementing a SD card-reader like device on my custom board with STM32F756 with SW4STM32 (AC6).Up to this date, I have successfully completed a working link to read/write file from the PC to SD...

sheyong5499 · 2016-10-26

Posted on October 27, 2016 at 04:25Hi,I have experience that before, and it is caused by the interrupt priority.Try to make sure the DMA interrupts have the lower priority compared to your SDIO interrupt.Hope it helps :)

sheyong5499 · 2016-10-26

Posted on October 26, 2016 at 10:14Some updates:I have probed the SD Clock to make sure it is running at 48MHzSetup another test focusing on SD write by creating and write a big 10MB file into the SD card directly from the MCU without the activation...

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Performance of STM32F7 USB Mass Storage (MSC) <-> DMA <-> SD

Re: SDIO DMA hang

Re: Performance of STM32F7 USB Mass Storage (MSC) <-> DMA <-> SD