STM32 MCUs Embedded software

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Bug in GPDMA with 2D addressing (I think)

I believe there's a bug in the stm32h7rsxx_hal_dma code for dealing with repeated blocks in interrupt mode. This bug probably exists in other STM32H7 devices as well.With a typical repeating transfer, in *NON* interrupt mode, the DMA transfer complet...

FA1234 by Associate III
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SPI Slave DMA with CRC

Dear ST,I facing a problem or bug in the calculation routine of your stm32f7xx_hal_spi.cExplicit in line 3117 of the function call:  SPI_DMAReceiveCplt()I using DMA SPI only the MOSI channel as RX_Only. This works as expected, when I dont activate CR...

UlfS by Visitor
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RTC format AM/PM

 Good morning,I am trying to use the RTC and I managed to make it work as expected for the 24hs format, it has no delays and when resetting I could see how to make it save the time but I am having a problem with the 12hs AM/PM mode, the set to go fro...

Re-synchronise HAL_UART_Receive_DMA best way?

Hello,Using HAL_UART_Receive_DMA() function and expecting an N length message, so have set the buffer length and transfer size to N.The communicating equipment sometimes adds an extra character / or drops a character which is taking my DMA out of syn...

###### by Senior
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