SDMMC USB_Device MSC sd card using DMA or Cache is not working,is it a Bug???
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2020-08-13 11:01 PM
project: USB_Device MSC using sd card
stm32h743,cubemx5.6.1,HAL Driver version 1.8.0
1 only using BSP_SD_ReadBlocks() the project is working,but is to slow
2 using BSP_SD_ReadBlocks_DMA() is not working ,can not enter SDMMC interrupt
3 open Dcache is not working
I have took cahe and anlign and AXI RAM into consideration,it still not working.
Is it a bug??? Please help!!!
Labels:
- Labels:
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DMA
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SDIO-SDMMC
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STM32H7 Series
-
USB
1 REPLY 1
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2021-03-24 12:34 AM
Did you finish this project successfully? What read/write speeds did you take?
