STM32 MCUs Products

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Forum Posts

drop in replacement for STM32L433.

Hi I am using a STM32L433 100 pin and require more memory as using a display. I have looked at the STM32L452VET6 100pin , and looks identical apart from having more memory. I only use the HAL for initialisation and USB interface. Looking at the HAL ...

problem with programming the STM32H755iit

I have a problem with programming the STM32H755iit- Jtag gives an error- DfuSe 3.0.6 Demo sees very few internal sectors, and hungs instantlyThe SMPS is off, and I connected this like this: see pictureThe CAP reads 1.0 voltVDDLDO_1 = 3v3VDDLDO_2 = 3...

Hans T by Senior
  • 1350 Views
  • 5 replies
  • 1 kudos

Resolved! High speed error with encoder, STM32F103

Hello,We are using an encoder ( https://www.andymark.com/products/redline-encoder-kit ) with 4096 CPR and are trying to measure speed and direction of a motor with an STM32F103. However, we cannot read stable values and in high frequencies we cannot ...

pccasio by Associate II
  • 1527 Views
  • 6 replies
  • 0 kudos

Why am I getting a HardFault with -O2 optimization only?

In my STM32F091 project, the Debug build works all just fine.Release build does not.So I kept -O2 to keep the behavior, but added -g3 to be able to debug.Fixed a couple typical bugs like a forgotten volatile on an ISR-accessed flag etc.Now I get a HA...

SKled.1 by Senior II
  • 1442 Views
  • 5 replies
  • 0 kudos

STM32H7 SPI IRQn never triggered

Hi,I am using SPI1 and interrupt are enabled in this functionvoid HAL_SPI_MspInit(SPI_HandleTypeDef* hspi) { ........................   /* SPI1 interrupt Init */ HAL_NVIC_SetPriority(SPI1_IRQn, 0, 0); HAL_NVIC_EnableIRQ(SPI1_IRQn); /*...

Resolved! How to analyze the cause of independent Watchdog Reset

Hello Community,I use the IWDG of a STM32F429. My application is relatively simple. Two valves are controlled and data is sent via UART (non-blocking). Nevertheless, I notice at random times a reset of the controller by the watchdog. The window watch...

Rookie38 by Associate III
  • 2020 Views
  • 3 replies
  • 0 kudos