STM32 MCUs Embedded software

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Resolved! STM32L432KC Timer interrupt only triggers once

I am trying to send a message through UART based on Timer 6 interrupt on STM32L432KC microprocessor. The prescaler is set to 39999 and the auto reload is set to 19999 to get an interrupt every 10 seconds. When i upload the code, I get the first inter...


Resolved! STM32H573I-DK Azure IoT example locks up

I have a STM32H573I-DK discovery board, purchased for the purpose of getting to grips with Azure IoT.It appears however that the example does not run properly.Compiles and links OK, and I am using the Wireless plug in board as supplied, but it gets s...


Stm32H7 PTP timestamp retrieval issue in HAL

Hi, I started a github issue for this problem: Realistically, the entire HAL_ETH_ReadData() function just needs to be rewritten. There are multiple flaws in it: Take for example her...

Resolved! X-CUBE-CRYPTOLIB computed SHA256 hash wrong

Hello,I would like to use the X-CUBE-CRYPTOLIB to calculate a SHA256 with a key. My implementation or the example HMAC_SHA2_AuthenticateVerify works in STM32CubeIDE 1.13.1 for an STM32L432KCU microcontroller.Source:

Martin42 by Associate III
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Resolved! STM32U5A5: DMA to SAI2 does not work - why?

I want to send audio samples (received via SAI1 from PDM MIC) to SAI2_SD_B as SPDIF out. It does not work, because: the DMA does not seem to write the DR in SAI2: the memory is filled with audio samplesthe DMA seems to run (I get the HAL_SAI_TxCpltCa...