STM32 MCUs Embedded software

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DWT and Microsecond Delay

Hello everyoneI want to use dwt unit to create microsecand delay function. How safe is it to use the DWT unit ? Does it only work in debug mode or does it also work in runtime ?Is there a guarentee that every time the MCU is reset it will start up pr...

burakatc by Associate II
  • 2286 Views
  • 6 replies
  • 3 kudos

Resolved! STM32F7 PTP Support

Hello!,I got a custom PCB with a STM32F76 MCU with a PHY chip.Running Freetos CMSIS V1, and LwIP. I want to setup the MCU as a PTP slave/client. Is there a way to configure this in the .ioc file?Looking through the drivers enabled HAL_ETH_USE_PTP in ...

stevof12 by Associate
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  • 2 replies
  • 1 kudos

Resolved! Stm32f429

Hi allI'm want to send a string from one stm32 to another stm32 to blink an led on it I'm using uart polling method to do that.The communication happens and led blinks only if I press the Reset button once I switch off and on power supply. What shoul...

HAL Ethernet API

Hello. I want to use raw ethernet with HAL API. Is there any example for it ? I dont want to use LWIP, just raw ethernet frames and communicate between 2 board. Any example for guide could help me alot

HAL_Delay function does not return

I have a bare metal board with an STM32H723ZGT6.I can connect and program the device.Initially I tried to use the HAL_Delay function but I found it hung the program never returning.This I determined by illuminating an LED on each side of the function...

MDeac.1 by Associate III
  • 2173 Views
  • 8 replies
  • 6 kudos

Dual port ethernet

Hey,I use STM32H745, I created ETH communication on the M4 core and it works well.Now I want ETH communication with two ports, one port per core.It is possible?In each core before the main while, I do:MX_LWIP_Init();/* create new tcp pcb */tcpb = tcp...

ACohe.3 by Associate II
  • 1246 Views
  • 7 replies
  • 1 kudos