STM32 MCUs Embedded software

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Resolved! More USB Shenanigans : The Futility of EPENA.

This is a long one, so sit tight around the campfire, and let me tell you the tale of The Futility of EPENA.Several days ago, I began to implement a Mass Storage interface for my own USB stack, equipped with a Bulk IN and OUT endpoint. The first thin...

PhucXDoan by Associate III
  • 1264 Views
  • 7 replies
  • 8 kudos

Resolved! STM32H745 ADC Oversample bug in HAL

Hello, I wanted to share an issue I found with enabling the oversampler for ADC using HAL. I was having issues result not being bit shifted. Further investigation I found that the HAL driver version 1.11 did not write the OVSS bits correctly. Here is...

KVan .2 by Associate II
  • 1163 Views
  • 3 replies
  • 1 kudos

STM32H7 USART DMA

stm32h7xx_hal_uart.c is missing a prompt to enable usart interrupt in the DMA configuration instructions.Other comments have this sentence:(+++) Configure the USARTx interrupt priority and enable the NVIC USART IRQ handle(used for last byte sending c...

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Shiina by Associate III
  • 369 Views
  • 0 replies
  • 0 kudos

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...

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Stm32H7 PTP timestamp retrieval issue in HAL

Hi, I started a github issue for this problem: https://github.com/STMicroelectronics/stm32h7xx_hal_driver/issues/63 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: https://www.st.com/en/embedded-sof...

Martin42 by Associate III
  • 2242 Views
  • 10 replies
  • 2 kudos