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! what is the difference between Transmission complete Interrupt(USART_CR1_TCIE) and TXE interrupt enable(USART_CR1_TXEIE) .

Posted on April 11, 2018 at 11:01My  code is run on STM32F427ZIxxSET_BIT(huart2.Instance->CR1, USART_CR1_TXEIE);void USART2_IRQHandler(void){ /* USER CODE BEGIN USART2_IRQn 0 *//* USER CODE END USART2_IRQn 0 */ HAL_UART_IRQHandler(&huart2); /* USER ...

Injection fails -- sometimes!

Posted on April 12, 2018 at 01:41 STM32L151R8 - I'm using the Injection channels with a 4 channel sequence. The conversion is handled by software and is repeated immediately (on a different set of data). This works fine for a while. Eventually, t...

stm32f100r8 external interrupt

Posted on April 11, 2018 at 08:09Hi friends,I am using stm32f100r8 with standart peripheral driver.I have planned to use porta1, porta6, portb2, portb3 and portb4 as an external interrupt pin.I use same config for all of them.But portb2 and portb3 c...

Change the interrupt frequency

Posted on April 11, 2018 at 18:08Hello,I'm just starting to create a basic code in order to play with the timer interrupt.Now I have a little problem: my led blinks but I want to change the frequency when I push the button. Why this code inside the ...

Raül G by Associate II
  • 702 Views
  • 2 replies
  • 0 kudos

Input capture not consistent

Posted on April 09, 2018 at 19:55Hi Folks,I'm struggling with getting a stable value for the input capture using the example from the latest STM32Cube_FW_L0_V1.10 download.  I'm using the STM32L031K6-Nucleo board and the Atollic TrueStudio 9.0. My i...

USB Host CDC example for STM32407G Discovery board?

Posted on April 11, 2018 at 06:13Hello everyone,We have a product uses STM32407 MCU. We want to support USB Host CDC for the product. So we ordered a STM32407G Discovery board. We'd like to make USB Host CDC working on the evaluation board first. Ba...

Pilot B by Associate II
  • 681 Views
  • 3 replies
  • 0 kudos

How does STM32F0 core handle unsigned long int overflow

Posted on April 04, 2018 at 01:50 For example, if I have: unsigned long int Variable1; Variable1 = 0xFFFFFFFF; Variable1++; What would be the value of Variable1? Would it be back to zero? Thanks. Note: this post was migrated and con...

Vu.Andy by Associate III
  • 3680 Views
  • 11 replies
  • 0 kudos