STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! STM32H7 code execution time question

Hello All,I needed a very fast vector addition routine for the H7 so I wrote it in assembly. However, I discovered that very small changes in the code caused huge differences in execution time. Both of the following functions add a 16-bit vector to a...

DWWelch by Associate III
  • 2233 Views
  • 9 replies
  • 1 kudos

Resolved! Error1 while building

I imported the project to CUBEIDE and after building , it is showing below errors.arm-none-eabi-gcc: error: unrecognized command-line option '--no-warn-execstack'arm-none-eabi-gcc: error: unrecognized command-line option '--no-warn-rwx-segments'make:...

Nico3 by Senior
  • 1122 Views
  • 1 replies
  • 0 kudos

STM32 UART only working with debugger

Hi,I am working with STM32g491re custom board. With UART communication our STM32 and other MCU communicating.After flashing the firmware with debugger both boards are communicating properly but once power off & on If other board sends the data stm32 ...

W25Q cannot read ID

Hello!I have a W25Q128JVIQ connected to an STM32F446RE like the following:I am trying to use QuadSPI in Dual Mode, but I am having difficulties reading ANY data, like the Device ID (ABh). This is my code:  W25Q_STATE W25Q_ReadID(u8_t *buf) { QSPI...

lagzilajcsi_0-1721665117811.png lagzilajcsi_1-1721665502488.png

ST7789 spi dma library

Hi guys,I want to do a dma with HAL library for a 1.3 inch st7798 driver display (uses stm32l476rg mcu)https://github.com/Floyd-Fish/ST7789-STM32I used the library in it works fine. but I want the screen to run faster (no scans should appear on the s...

Bicer by Associate II
  • 5300 Views
  • 4 replies
  • 1 kudos

ADC with DMA in STM32U545 MCU

I am experiencing issues with the ADC and DMA configuration. Specifically, I am encountering unexpectedly high ADC conversion time despite following the standard configuration steps. Below are the details of my setup and the problem I am facing: Prob...

itzthiru by Associate II
  • 873 Views
  • 3 replies
  • 0 kudos

Resolved! UART communication over pogopins

I am asking a question of application rather than capabilities of MCU itself.I hope to build an handheld board that is powered by batteries and using this board update other board's settings, especially date/time configurations.This requires a parser...

MKanc.1 by Associate III
  • 1680 Views
  • 3 replies
  • 5 kudos

Resolved! STM32F303xC BOOT1 bit and voltage difference

Hi all,I am currently designing a board based around the STM32F303xC MCU, and had a few questions regarding information on the datasheet.- For boot modes, the data sheet states the following:"At startup, Boot0 pin and Boot1 option bit are used to sel...

charlesa by Associate
  • 844 Views
  • 1 replies
  • 1 kudos