STM32 MCUs Products

SysTick timer registers give an error when called

Hi , i checked the registers for the system clock and i found these registers , but they dont seem to worki , insead , i have to use systick->CTRL , but i cant find the definition from thwere the syntax comes from

TIMER with DMA call back function

Hi,void HAL_TIM_IC_CaptureCallback(TIM_HandleTypeDef *htim){ if(htim->Channel == HAL_TIM_ACTIVE_CHANNEL_1) {  captureDone = 1; }}HAL_TIM_IC_Start_DMA(&htim2, TIM_CHANNEL_1, (uint32_t*) captures, 2);void HAL_TIM_IC_MspInit(TIM_HandleTypeDef* htim_ic){...

STM32H723 Interface with QuadSPI flash

Hi everyone,for the first time i'm trying to interface my micro H7 to a Macronix QSPI Flash.Micro Model : ST32H723Flash Model : MX25L3233FM1I.These are the instructions that I do:read status register in order to verify QUAD ENABLE (OK)If not QUAD ENA...

STM32L4 Interface with EC21 GSM MODULE using HTTP Protocol

I need the library for GSM Module using the HTTP protocol.

Timing information for OCTOSPI interface with free running clock

Hi,  Where can find timing information for the octospi (8-bit SDR) interface with free running clock enabled ?Couldn't find it on the device datasheet (STM32H730VB). I'm especially in need of the timing between SCK e nCS when free running clock is en...

What is the name of this MCU as I was told that it needs to be replaced. I don't know what to search for but the device read in STM32 Cube Programmer is STM32F07x. The only thing available in the local market is STM32F103C8T6 LQFP-48 64K, would this work.

sprintf function and Cyrillic

I ran into the following problem the sprintf(str, "привет") function; encodes in a two-byte format. Each even character = 208 (dec).str[0] char 208 '�?' str[1] char 159 '\237' str[2] char 209 'Ñ' str[3] char 128 '\200' str[4] char 208 '�?' str[5...

Problem in communicating Modbus with PC

Hi, I am communicating data from Modbus to pc and vice versa using Rs_485 in stm32f103.But I am unable to read and write . I have attached the picture of what error i am getting. can anyone please help me what i need to do. if i need to add ant cod...

Reading from CAN bus (just as plain listener)

Hi ST Experts,Recently I have started with experimentation on STM32407 Discovery board. Basically I am trying to implement CAN bus listener for particular ID from the vehicle. For my testing I am hooking on to OBD (where I have OBD unit to read the ...

For seat reservation: I already have the board