dima-kapustin

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SDMMC: DMA is disabled too early to complete transfer when reading from SdCard clocked at 16+ MHz from MSI

Hi @KRASTM ! Here you go (it is almost standard-generated by CubeIDE): ``` /** * Initializes the Global MSP. */ void HAL_MspInit(void) { /* USER CODE BEGIN MspInit 0 */...

SDMMC: DMA is disabled too early to complete transfer when reading from SdCard clocked at 16+ MHz from MSI

Hi @KRASTM! Thanks for pushing it through! I am afraid I cannot provide more details about the setup at the moment. We faced the issue when increased SDMMC clock rate...

SDMMC: DMA is disabled too early to complete transfer when reading from SdCard clocked at 16+ MHz from MSI

This is one of the first things we tested... No, it does not help with the issue. Thanks, Dima.

SDMMC: DMA is disabled too early to complete transfer when reading from SdCard clocked at 16+ MHz from MSI

Hi @KRASTM , What PCLK2 clock value is in your tests? And what is SDMMC clock source? Thanks

SDMMC: DMA is disabled too early to complete transfer when reading from SdCard clocked at 16+ MHz from MSI

After intensive testing on hundreds devices during 2 weeks it turned out that SDMMC_DCTRL.DTEN **must** be reset when RX/TX completes. Hence, we do it in both - the read and...