Printf Debugging using Semihosting in STM32 || SW4STM || Live variable change

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Printf Debugging using Semihosting in STM32 || SW4STM || Live variable change

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Күн бұрын

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How to utilize semi hosting technique to get the printf output in the debugger console itself.
It works in SW4STM. I don't know about other IDEs, you can test and report here.
To download the instruction file goto drive.google.c...
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Пікірлер: 19

@bennguyen1313 Жыл бұрын

How are printfs via ITM different than printfs over SWV? Don't they both use SWD+SWO? I have a AT ATMEL-ICE debugger which supports SWD+SWO, yet commands like ITM_SendChar() don't work.. which I thought only need SWO.. what's needed for Instrumentation Trace MacroCell?

@user-ej4mk2tf8f 9 ай бұрын

how do add variable in the debug window because i do not see any option uder variables TAB

@ControllersTech 9 ай бұрын

Add under "Live Expression"

@evgsurf 4 жыл бұрын

Perfect video!

@FelixCrazzolara 4 жыл бұрын

Very nice video!

@ganeshgaikwad2158 5 жыл бұрын

Its very good method sir. Please guide me for interfacing compact flash card with stm32f373.

@ControllersTech 5 жыл бұрын

I don't have a compact flash card. Plus it's very rare to find any suitable guide for the same. So the probability of me working on it is very low to be frank.

@olegmorozov2280 3 жыл бұрын

I'ts work! Tnx! :)

@FelixCrazzolara 4 жыл бұрын

What is the soundtrack used in the video?

@ControllersTech 4 жыл бұрын

I don't remember properly but it's from 'beds and breakfast', 'rio nights', 'we share this', 'where i am from',

@FelixCrazzolara 4 жыл бұрын

@@ControllersTech Thanks!!

@General-vi3zh 5 жыл бұрын

It's cool that this is possible, but I don't get the point. When the Debugger is already via USB connected, why not using them instead? But the video was great!

@ControllersTech 5 жыл бұрын

When you connect F103 via the STlink, which most of the people use, you don't have access to the serial terminal. To use the uart, you have to connect additional Pins via FT232 like level shifters. Unlike nucleo or discovery boards, where you use the usb, which can also be used for serial transmission. But even in those scenarios, it's reducing some effort :)

@SQ8MXT 4 жыл бұрын

@@ControllersTech Hi. Is the printf function only working while debugging? what I mean is if you leave is it in the final code is it going to be executed and slowing down the overall execution of the code? Or should you delete it?

@ControllersTech 4 жыл бұрын

Print f will always execute. In the debugger you can see the output. You can leave it though, it will slow down the execution, but not by a noticeable amount.

@SQ8MXT 4 жыл бұрын

Controllers Tech thanks for the information. Btw printf worked for me even without initialising debugging peripheral in CubeMX (on STM32G071 MCU). Don't know if its the same on other MCUs.