STM32 MCUs Products

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STM32H7 ADC faster than expected

Hello,Using a STM32H743ZI - rev. V.I'm using ADC3 to convert 4 channels in regular conversion mode, with a 2.5Tcy sampling time, 10 bits, sync clock /2.The measured conversion time is quicker than expected so I'm suspecting something wrong...CPU cloc...

tarzan2 by Associate III
  • 1362 Views
  • 6 replies
  • 1 kudos

Clock Configuration, Timer and LED

I am still new to STM and I am trying to perform a task on timer, I have written my code to configure the clock the my desired frequency and also I have written the code to set up my timer but when I downloaded the code to my board (stm32g070rb), my ...

027iconic by Associate II
  • 1711 Views
  • 6 replies
  • 4 kudos

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
  • 1653 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
  • 757 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
  • 4246 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
  • 653 Views
  • 3 replies
  • 0 kudos