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Questions - stm32

Problem in flashing and running STM32 bluepill in linux environment

I am new to STM32 programming. I have bluepill hardware with me. My goal is to flash a simple program (such as blink an led in bluepill) using opensource tools and ubuntu OS. I am currently following ...
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superstew

c

linux

embedded

stm32

embedded-linux

Votes: 0

Answers: 1

Latest Answer

You are programming with JTAG or SWD. The state of BOOT0 does not matter while you are programming. The level of BOOT0 only matters during the rising edge of nRST (for example after you have finished...
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Tom V

makefile error in c project multiple definitions

For a minimal reproducible example of this problem, please go to this link. I'm working on a stm32 project that is initialized using stm32cubemx(Makefile) and I'm using vscode as ide. Until now I had ...
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mehdi

c

makefile

stm32

gnu-make

Votes: 0

Answers: 0

How to store variables into RAM STM32 in C

I am trying to get int variables to be stored into RAM of my STM32. I have whats below and I believe that is a start but I'm not entirely sure. I'm trying to basically do what a .word array such as ar...
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Topus

c

assembly

stm32

ram

Votes: 0

Answers: 0

Problems getting the current time in microseconds with a STM32 device

I am using a stm32f103c8 and I need a function that will return the correct time in microseconds when called from within an interrupt handler. I found the following bit of code online which proports t...
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John Gaby

time

stm32

microcontroller

Votes: 0

Answers: 1

Latest Answer

Read UptimeMillis before and after SysTick->VAL to ensure a rollover has not occurred. uint32_t microsISR() { uint32_t ms = UptimeMillis; uint32_t st = SysTick->VAL; // Did UptimeMi...
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kkrambo

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