STM32 MCUs products

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SWD-CAN bus Bridge

Hi everyone! I want to have ability to program and debugging STM32 MCU's via CAN: in other words, I like to have functionality of ST-LINK (including connection via STM Studio), but using CAN, not USB. How to implement SWD master, is a any source code...

KKT31 by Associate II
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  • 6 replies
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Dynamic vector allocation in external RAM

Hi,I am currently working on a large project of my own on an STM32F7 cortex-m7 microcontroller in C++ using GCC. I need to store a wide array in an external SDRAM (16 MB) containing vectors of notes structures (12 bytes each). I have already a workin...

benoit2 by Associate II
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Is FMC burst should be done in software using DMA ?

Hello,We need to perform burst read and burst write in FMC (PSNOR) .HAL_StatusTypeDef HAL_SRAM_Read_DMA(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint32_t *pDstBuffer, uint32_t BufferSize); HAL_StatusTypeDef HAL_SRAM_Write_DMA(SRAM_HandleTypeDef...

ranran by Senior II
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Problem of SPI slave transmit

I testing SPI using two STM32F411 disco.One is master, the other is slave.My problem is only work MOSI , MISO is not working.I attach my Two source code.This is setting of my disco board.Do you have any idea about error of Slave transmit of SPI?

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RTC missed alarm STM32 L152VB

Hi,I use RTC for timing FreeRTOS (also in Tickless mode - in STOP mode) I use ALARM A in rtc. I noticed one weird behavior. Some times for examaple after 5 hours of running program the ALARM A is missed - no Interrupt of alarm happended, althougt the...

JAN R by Associate III
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  • 1 replies
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Resolved! Handling 16bit register address in i2c communication

I am trying to use ov5640 camera with stm32l4r5 board nucleo-144. The ov5640 has SCCB bus which is similar to i2c. But ov5640 has register with 16bit address (0x300A, 0x300B like this). I used CUBEMX to initialise i2c pins and generated code. How can...

PToma.14 by Associate II
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  • 2 replies
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Resolved! ADC resolution and its reference voltage

I am using STM32F407VG board. I wanted to know about the reference voltage and ADC resolution available on this board. I couldn't find the exact info related to these parameters in the datasheets.

rrach by Associate II
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  • 2 replies
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Advancing debug steps clock by clock

Hello AllI understand that debug steps advance instruction by instruction (whether in C or assembly). I wonder if there is any way to advance CPU clock by CPU clock. I need this to debug an issue I have with the SysTick timer.Thanks

Amir1 by Associate II
  • 126 Views
  • 5 replies
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