STM32 MCUs Products

Pointer to struct inside a union throws hard fault.

struct {unsigned char oned; unsigned char twod;}test;hspi2.Instance->DR = *((uint16_t *)&(test.oned));struct {unsigned char oned; unsigned char twod;}test;this works fine.however,typedef union { struct {  uint8_t idType;  uint32_t id;  uint8_t dlc;  ...

Have you seen the source code to the MFX?

Hi All,Some of the grander Evaluation/Discovery boards use an STM32L152 as a slave Multi Function eXpander with an I2C interface. It's pre-programmed with firmware that provides access to some of the peripherals on the board.As it happens, I'm about ...

How to get 4 channel input capture values from stm32f407 ?

uint32_t IC2Value,Frequency,miliseconds; float DutyCycle;     static void TIM2_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; TIM_ICInitTypeDef TIM_ICInitStructure; /* TIM2 clock enable */ RCC_AP...

how to count time

I want to measure the time from GPIO low level to high in RC circuit,how to count the timeuse rtc or tim?

How to change accelerometer full scale range (SensorTile)?

Hello,I am working with the SensorTile + Expansion Cradle and Nucleo STM32F401RE Board. I am using the Datalog application included. In my vibration analyses, the accel data is clipping at 2G. What is the proper way to set the LSM6DSM Full scale...

HAL_I2C_IsDeviceReady and private function problem

Hi,I'm trying to interface with an MPU6050 with STM32F103C8T6 Blue pill board or the so called stm32duino board. I have code written as such:/* USER CODE BEGIN 2 */ if(HAL_I2C_IsDeviceReady(&hi2c1, MPU6050_ADDRESS, 2, 10) == HAL_OK){ HAL_GPIO_Toggle...

plz i need a code ( LIS3DH.h, LIS3DH.c, main.c) of LIS3DH using 2 interrupt working in STM32F4 by protocole I2C with libraries. thanks a lot

ADC with DMA cracks the system

Hey, I just have a simple code, relevant parts are attached belowuint32_t dataADC = 0 ; // globally definedHAL_ADC_Start_DMA(&hadc1, &dataADC, 1); // after cubemx automatic initsand that is all; in the while(1) loop, there is only a delay and toggle ...