STM32 MCUs Products

Interrupt SPI Recieve DMA

Is there anyway to stop/abort a DMA in the middle of reading and pull the memory ? i'm trying to do it on my stm32h7 without any success this is an urgent issue , your help is greatly appreciated

STM32F051 UART Tx with DMA

Hi there,I'm working on an STM32F051 with Standard Peripheral Libraries.I using the UART to communicate with a PC and actually evrything work with Interrupts.To get best perfomance, I started to implemnet DMA trasnfert.For the RX, I use the DMA in ci...

Setting up CAN filter for STM32F446

Below is my piece of code for CAN filter. I wish to accept only frames with ID of 0x102XXXXX (hexadecimal value) where X can be any number.uint32_t filter_id = 0x10200000; uint32_t filter_mask = 0x1FF00000; sFilterConfig.FilterBank = 14; sFil...

FDCAN Transmit Pause details and FDCAN Protocol Exception

FDCAN Transmit Pause details and FDCAN Protocol Exception , where can I find details on these Function States? What are they for? (checked all documentation and references before posting, thanks )

I want to know the higher frequency for external clock with TIM2 in STM32F302VB ?

I want to measure a pulse of 1 ns with input capture of TIM2

Required Current Consumption details of STM32L431CBY7TR for 3.3VDC

Hi Sir/Mam,For our design we are using STM32L431CBY7TR controller which operates at both 1.8VDC and 3.3VDC. For our product we need the Low Power Modes current consumption details for both 1.8VDC and 3.3VDC for our user manual to be mentioned. But in...

Issue with External addressable flash

Hello folks,I am using a STM32F469i-disco board and trying to read the stored variable from the on-board flash. I did use BSP package to init the QSPI and set it to memory mapped mode. Now, I am facing a weird situation.printf("%x\n", (EXTERNAL[0]));...

Hii can anyone help me how to use this smbus feature with example and what shuold be selected for xferoptions ......HAL_SMBUS_Master_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions)

Why are tasks not firing in FreeRTOS when using semaphores

I have a project that I am trying to do to learn using RTOS on STM32F407 Discovery board. I am trying to use semaphores on 4 tasks but after the scheduler starts none of the tasks are firing. Below is the code: #include "stm32f4xx_hal.h" ...

SWO on startup

Hello,after POR, but before a "switch to SWD" sequence has been sent to the debug unit, what function is PB3? Is is only "Jtag dataout" are can it alreadt transfer SWO data.