STM32 MCUs Products

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Resolved! Starting a timer on a GPIO input rising edge

I'm trying to set up TIM2 timer on my NUCLEO-H743ZI2 board (STM32H743ZI MCU) to start TIM2 timer on a rising edge of a GPIO input pin. I'm using STM32CubeIDE with STM32CubeMx plugin. Is it possible to set up the hardware to start the timer automati...

STM32L4S9 SAI Configuration Full Duplex

Hi,I would like to use the SAI as full duplex slave mode with I2S/PCM protocol.I'm not sure about the configuration and which pins are TX and RX when using Cube. In the parameter I can set the audio to transmit or receive.In this case SAI_SD_A will b...

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NKara.3 by Associate II
  • 541 Views
  • 1 replies
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SWD connexion for custom board

I have an ST link V2 and a custom board running at 3.3V generated by an on-board regulator powered from a battery. Google is sending me mixed messages about connecting VAPP (pins 1 and 2) on the ST link to VDD on the board. I'm a bit worried about de...

DCarr.1 by Senior
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  • 3 replies
  • 0 kudos

Resolved! two UART DMA with timer interrupt

Hi, allI am trying to receive packet from uart3 and send them to uart2but the results of my trials are:transmit occurs every main cpu clocktransmit occur just oncewhich I thought was:receive packet from uart3 when packet arrived, independentlytransmi...

Frogram by Associate II
  • 1941 Views
  • 5 replies
  • 1 kudos

Need to change interrupt priority for USART DMA RX Circular

I've got some code working from an example for USART RX DMA Circular. I'm to the point where I can receive the UART data but I need to now use a write to a protected (by a binary semaphore) circular buffer from the interrupt context HAL_UARTEx_RxEve...

ATzou.1 by Associate II
  • 4180 Views
  • 11 replies
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No while loop shown in tutorials in main.c

Hi,I've seen that in many stm32 tutorials (such as blinking LED and uart tutorials) they make use of a "while (1) " loop located in main.c:  But, in the main.c generated by cubeMX for my stm32l496ag board i have only the following single while loop, ...

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CHech.1 by Associate III
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  • 2 replies
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STM32F401VET6 flash partition to store 3 binary files at particular flash addresses. These binary files need to be used for some product applications.

We have STM32F401VET6 in our product development. Currently, our project (makefile) compiles and stores application binary in STM MCU internal flash. We would like to store three other binary/hex files to the STM MCU internal flash as part of the bui...

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JSaro.1 by Associate II
  • 1467 Views
  • 9 replies
  • 0 kudos