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

UART only one byte received

Posted on January 04, 2017 at 00:52 Hi Guys, I am transmitting two bytes between two nucleo boards on uart1 and only receiving one byte (one charachter)? what could be the problem HAL_UART_Receive(&huart1,(uint8_t *)data3,5,10);  void MX_USART1...

Raider E by Associate III
  • 3037 Views
  • 9 replies
  • 0 kudos

HAL UART buffer overflow bug(?)

Posted on January 04, 2017 at 17:56Hi all,I'm wrestling with a couple problems with UART interrupt receive. Processor is STM32F745IET6 on a custom board. Startup code is generated using CubeMX 4.18.0 and HAL library version 1.5.1. (This all seems to...

hbarta2 by Associate III
  • 1017 Views
  • 1 replies
  • 0 kudos

How to manage a 2x16 lcd display.

Posted on December 23, 2016 at 12:44I have to manage a 2x16 display using a M4 microcontroller. Is there a library based on HAL or have I to write it?Sorry but I'm a beginner with M4 and HAL library.

Resolved! Function to check EXT_0 or any EXT_X interrupt status?

Posted on January 04, 2017 at 02:11Does HAL library has any function that can check for the interrupt status on any given EXT line?  For example,I have configured:    HAL_NVIC_SetPriority(EXTI0_1_IRQn, 0, 0);    HAL_NVIC_EnableIRQ(EXTI0_1_IRQn);Now ...

Vu.Andy by Associate III
  • 820 Views
  • 3 replies
  • 0 kudos

Problem with Virtual COM port driver

Posted on January 04, 2017 at 16:25HiI have been investigating a problem with a product using an STM32F103R8T6 and USB virtual COM port. Code for the CDC was generated from the latest version of the Cube. The device is bus powered and the problem oc...

timer interrupt

Posted on January 01, 2017 at 16:39hiI have a stm32f4 discovery board and i use stm32 cube.I want to create a 400ns interrupt but it doesn't less than 2.5us.my initialization are:TimHandle.Init.Period = 1;TimHandle.Init.Prescaler = 0;TimHandle.Init....

STM32F3 HRTIM BURST DMA

Posted on January 04, 2017 at 12:36Hi, I am trying to use the burst DMA mode to update the HRTIM compare unit registers on a STM32F334 with the STM32 CUBEMX. I am using this function to trigger the DMA update if I want to update the compare register...

vBAT circuitry for STM32L476RG

Posted on January 04, 2017 at 10:20Hi allI would like to connect a battery to vBAT Pin for my Nucleo STM32L476RG.I'm wondering if I should remove SB45 resistor or not.If anyone could tell me what's the correct steps to build a vBAT backup circuitry....

0690X00000605r6QAA.png