STM32 MCUs Products

UART and timer interrupt issue

Hello! Can you help me?I'm receiving data in UART Rx with DMA and send it by USB, it works fine. Now i'm trying to set up a timer to check if I'm receiving data every 250[ms] and send a special message. When I don't configure the timer it works, but ...

STM32F030 Temperatur Sensor

i tried to use the internal temperatur sensor but its a little bit strangewhen the tempertur goes up the value from the adc goes downis that right or is my config for the adc wrong ?

Setting Option Bytes on a new MCU fails on STM32L451RCT6

Hello eveyone,In my code i try to set the BOR level with the following function:/** * Set proper BOR level. */ void setBorLevel(void) { FLASH_OBProgramInitTypeDef optionBytesInit = {0U}; bool_t isBorLevelConfigured; uint32_t borLevel = ...

stm32L051 registers don't change

Hello!I'm working on a custom board with an stm32L051 and the HSI16 crystal. I'm setting the clock registers, Flash, PWR and then I try to enable the clock for TIM21. as you can see in the code I set the bit but the computer "doesn't listen"(I am loo...

3D STEP-File for NUCLEO-L432KC Hello! For an internal firmware testing system we would like to put the NUCLEO-L432KC board onto a base board. Could you provide a 3D model in STEP format for the NUCLEO-L432KC board?

the touchscreen on the board STM32H747I-DISCO

Hello,I need some examples to learn how to configure and use the touchscreen on STM32H747I-DISCO board.Could you provide it or direct me to the resources which contain such an example, please.Thanks,Best regards

Trouble catching overflow interrupt (Period Elapsed) on TIM3 while doing input capture

I'm using STM32CubeMX and HAL functions.I've gotten interrupt capture working for Timer 3 Channel 3. However, my input frequency is low and the 16-bit capture value is overflowing multiple times. I've solved this many times in the past with a diffe...

STM32H7 HAL QSPI delayed clocks

I'm reading data from an FPGA over QSPI. I'm attempting to read 256 bytes at a time. However, when I read the data the QSPI clock decides to take a long pause before continuing. I get an initial burst of 74 clock pulses, then 56 bursts of 8 clock pul...

Hello.We are trying to send 2 different arrays with CAN-BUS.We are currently using same txmailbox to send the arrays.But after sending one array,we cant transmit the second one.Can we send only one variable with one transmit mailbox?

CAN-BUS