STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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STM32U575 Fails to init SD Card

I'm working on getting a minimum viable example functional using a U575 IC and a micro SD Card.  The hardware I'm using is the Nucleo-U575 board along with an SD Card breakout from Adafruit. I've wired it up as an SDIO 4-bit setup.  With just the aut...

sethkaz by Associate III
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Resolved! STM32H743 ADC_CHANNEL_VBAT measurement offset

Hi All,I have constant measurement offset in Vbat internal channel from ADC3, ~30mV above the supplied value.Vref calculated by macro:__HAL_ADC_CALC_VREFANALOG_VOLTAGE((uint32_t)(measure->adcDataAverage[measureVref]) , ADC_RESOLUTION_16B);i see offse...

AlexK by Associate
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Resolved! Calculate MD5 Hash in chunk

Hello, I'm trying to use the HAL function to calculate a file MD5 on my STM32H750 MCU. I successully managed to calculate the MD5 of little files using HAL_HASH_MD5_Start. Now I want to calculate the MD5 of a large file, so I'm not able to store all ...

STM32H7 MIPI DSI maximum clock speed?

There is inconsistency in the reference manual and the STM32CubeMX clock configuration tool as to what the maximum clock for the PLL DSI. Reference manual suggests it is 1000 MHz however, when set to that in STM32CubeMX, an error is generated at the...

bchia by Associate
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STM32H745ZITx - USART RX DMA Not Working

Hello,I'm working with the STM32H745ZITx and trying to receive data over USART3 using RX DMA. However, the usart_rx_dma_buffer remains all zeros — as if no data is written. Here’s what I’ve checked::small_blue_diamond: DMA Configuration:DMA1_Stream0,...