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! Push button problem on STM32F407G-DISC1 board

What is wrong with my code? The code never hits the turn on led part when I press the B1-USER1 button. From the board manual there is a LED on PD13 and the user push button on PA0.#include "stm32f4xx.h"     GPIO_InitTypeDef GPIO_InitDef;   int main(v...

Test User by Associate III
  • 778 Views
  • 1 replies
  • 0 kudos

How to connect 3 HC-05 devices using STM32 and CubeIDE?

Hi,i am using STM32F407 and CubeIDE. I am trying to use 1 master and 2 slave at the same time. I can connect any slave to the master. I am trying to implement a sinmple alghoritm for 2 slaves. I change device address which master is connected at 10 s...

STM32L4 entering and exiting Sleep mode

I can’t understand how to enter and exit sleep mode. Can someone share an example of how to enter and exit sleep mode on the L4 series? I use ADC + DMA + TIM and I want to go to sleep mode, and after the interruption comes from DMA, I want the microc...

UART RXNE interrupt not asserted in certain situations

I am currently running into a problem using an STM32F446 microncontrollers UART interface that i cannot explain and require help.The system we are looking at is meant to do measurements.Each measurement cycle is triggered by an external Host.The Host...

Using a timer to trigger DMA to read ADC.

Hello,I'm using the STM32F779.I have a timer configured to to trigger an ADC (single channel) using the timers TRGO.This is working great but I'd like to have a DMA handle the transfer.The timer triggers every 2ms and I'm running the timer for severa...

Rocko by Associate
  • 952 Views
  • 3 replies
  • 0 kudos

Hex to Char without change!

Hi every body!How Can I convert byteArray[] (in hex format) to data[] (in char format):uint8_t byteArray[] = { 0x4D, 0x04, 0x01, 0x18, 0x05, 0x05, 0x0C, 0x0E, 0x0C, 0x05, 0x0F };char data[] = "4D04011805050C0E0C050F";Thank you!

QSPI - How to exit memory mapped mode

How to exit memory mapped mode in STM32H7I tryied: https://community.st.com/s/question/0D50X00009XkaJuSAJ/stm32f7-qspi-exit-memory-mapped-mode?t=1574431671411Code with HAL_QSPI_Abort() is working in STM32F7, but in STM32H7 return error

Andrew1 by Associate II
  • 1052 Views
  • 0 replies
  • 0 kudos

I'm using the STM32F0 discovery board and trying to interface it with a Tianma TFT display. I need help to find a library file for display driver IC ST7789vi, using 3-wire SPI interface (MOSI, SCK & CS).

I'm working on a project using STM32F0 discovery board and we bought a TFT LCD from a local distributor, part number TM028HDHG59. The datasheet they sent mentioned it has the driver IC ST7789vi and it has RGB/3-wire SPI interface. Since I'm new to ST...