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STM32 MCUs Embedded software

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

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STM32F207(NUCLEO-F207ZG)-USB

hi,i programmed to interface USB from micro controller to PC, in PC using terminal software i try monitor the transmitted data, i tried with many terminal software(putty, hyperterminal, docklight, realterm) but i could not receive the data,but can re...

Cvadi.1 by • Associate II
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  • 2 replies
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Transmitting DATA using USB in STM32H743

Hi,I am having some problem transmitting data over USB.i'm transmitting '|' and '.' continuously but i'm missing some data when i receive data .i'm getting like "||.|.|.|..||||.|.|"I generated code using CubeMX. Even in reference manual there is no c...

VPras by • Associate II
  • 563 Views
  • 1 replies
  • 0 kudos

osTimer Callback Context and Priority

I'm using STM32L152RET with FreeRTOS (cmsis wrapper) for my product. I'm struggling to understand the priority and context of the freertos "timer interrupt". We use a cmsis wrapper (code generated from CubeMX) and the freertos based timer task is ref...

STM32F767 Execution time is more compared with STM32F429

Tried creating OS task 100 times in Example codes with FreeRTOS taken from STM32CubeMX for both F429 and F767 and found the observations as below.F429 - 6 TicksF767 - 16 TicksDifference - 10 TicksWhat is the reason for the delay and Is there any othe...

RBG by • Associate II
  • 1659 Views
  • 14 replies
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usb host cdc enumeration problems

Hello,i need to create a simple communication between a stm32f103 usb device and a stm32f407 usb host. I configured a simple program for led blink of stm32f103 and it works correctly. Practically i connect the usb device to my laptop with "PuTTY", i ...

MMang.17 by • Associate
  • 683 Views
  • 1 replies
  • 0 kudos

STM32F4 DFU / Crystal Initial Startup Issue

Hello. First of all I should start by saying I'm new to embedded development and have a lot to learn. We're using an STMF413 and I'm unable to get the device to register in DFU mode on a Windows PC. I've used DFU to flash other STMF413's before with ...

AlexA by • Associate
  • 378 Views
  • 0 replies
  • 0 kudos

Ethernet with lwip

Hi!I have problems using Ethernet with an STM32H743ZIT6 chip. Im using the suggested lan8742 ETH PHY. And I generated the code with cubeMx. My problem is that I cant find any good sample codes on the net, and I think Im not configuring correctly the ...

AGERE.192 by • Associate II
  • 1615 Views
  • 4 replies
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