STM32 MCUs Products

Using SEGGER system view with STM32F767ZI Nucleo board ?

Hi Guys ! I am trying to record the activity of my MCU running RTOS . I am currently in efforts to integrate the segger system view for this particular usage. I am currently stuck in the process of RTOS Patching error . Can anyone provide suggestions...

How do I change the direction of a DMA request for the SDMMC device?

Hi, i'm trying to use a single DMA channel to both read/write to the SDMMC. See here (https://community.st.com/s/question/0D50X00009XkWO5/getting-sdmmc-to-work-with-dma2-channel-4).When generating the SDMMC DMA configuration using cubeMX it results i...

We want to use a microphone in a design. Our processor is STM32F722RCT6, the MEMS we are considering is MP23DB01HP, but how should we porting for PDM, can you give an example? Do I need to use another processor?

STLink virtual com port driver digital signature verification problem

After connecting a STN32H735G-DK board to my windows 7 pro pc, the com port driver gives an error "Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file ...

STM32F3 DMA triggered by ADC triggered by TIM without HAL

Hello,currently I'am working on a STM32 project with the CMSIS core. I want the ADC getting triggered by a Timer (TIM3). Iam trying to do that with the TRGO option.The ADC should sample 4 different channels. Each channel then gets transfered by the D...

Weirdest thing happening with STM32H7 I2S hardware

Hi guys! I am having the biggest issue with the I2S right nowWhat is happening: For whatever reason the I2S does not want to transmit any samples VIA DMA. Doesnt matter what I do what I try.The weird thing happening: The I2S WS, SCLK wont work. Only ...

UART not receiving NULL hex bytes on STM32F103C8T6.

I'm using STM32F103C8T6 processor with an 8MHz internal clock, 9600 baud rate, 8bit + 1stop bit and no parity. For receiving uart data, I'm using a global interrupt. While I'm receiving data with usart1 or usart2, I can not receive null bytes. Now I ...

STM32H7 Using SPI with DMA circular mode

Hello,i currently use SPI interface of my STM32H7B3I board with DMA (mode circular) to build up a connection to Raspberry Zero W (using Python spidev-lib).At the beginning, I start HAL_SPI_TransmitReceive_DMA() where the data exchange is initialized....

I want to know the parallel communication

Hello All,If I pass 0x38 hex value into my function, that should be came out from my one of the port as parallel data, how to do this ? please give me a simple example with code and explanation.My youtube channelStm32user