STM32 MCUs Embedded software

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Resolved! Why does a timer operating in interrupt mode generate an update event immediately after intialization?

HelloI have TIM3 set up like so:ABP1 Timer clock = 84 MHzPrescaler = 8399Period 9999Update event selected as triggerNVIC enabled for TIM3 global interruptThis gives me a timer interrupt every 1 second. But it appears as though the callback HAL_TIM_Pe...

Always getting SPI OVR Error instead of executing SPI RX callback functions while interfacing SPI1 + DMA + STM32H7

For DMA, allocating the buffer to the right memory segment,I am already allocating the buffer in to D2 (0x30000000), which I think should be right, and I haven't enabled the cache yet, for remaining all nonvolatile memory allocated in section D1 (0x2...

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STM32F7 IAP using DFU & USB MSC

Hi all, On an STM32F746-Disco I've succesfully tested DFU using DfuSe demo (ie sending a .dfu file from a PC to the board using the USB as a serial port) and the USB Host MSC... I wonder if it's possible create a bootloader that will read a dfu fil...

iw2lsi by Associate III
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Resolved! Should nor flash be mapped as non cacheable memory ?

Hello,When using external NOR is it reasonable to configure its memory addresses as cacheable or should it always be configured as NON-cacheable?If it is cacheable it means that when executing a programming nor command, it is not yet written into dev...

ranran by Senior II
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Jump to bootloader from application

I'm trying to jump to the bootloader in system memory in order to update my firmware via USART1. See attached code based on https://stm32f4-discovery.net/2017/04/tutorial-jump-system-memory-software-stm32/. When I execute the attached function the s...

JSzyb by Associate
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