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Resolved! STM32F401 SDIO FATFS always returnig FR_DISK_ERR

Hi all,I am trying to do a simple code for writing and reading files in a SDHC Card, i am trying to start with this example code:https://community.st.com/s/article/how-to-create-a-file-system-on-a-sd-card-using-stm32bubeideHowever, when the code reac...

How to change NDTR after enabling DMA stream?

I can want to change NDTR after enabling DMA stream. but I can't. This is the part of code... LL_DMA_EnableStream(DMA1, LL_DMA_STREAM_5); // works fine now // but I want to change the data length only   LL_DMA_SetDataLength(DMA1, LL_D...

YoungKim by Associate III
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STM32 F3 Option Byte Retention

We have a product with a STM32F373CC where we calibrate the RTC in Production and store the calibration factor in Data0 and Data1 of the Option Bytes (OBR).Tracing through the (legacy) code via my debugger, I can see the OBR values being written corr...

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GeoffF by Associate II
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  • 6 replies
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