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Viewing ARM CPU activity in real time

n this blog I take the process one step further, and add a graphical front-end, that shows the CPU activity in real time; if you want to see it in action, take a look at this video.

The target system in the demonstration is a ‘blue pill’ STM32F103 board, with a 7-segment display and pushbutton. This CPU board is particularly convenient because it has a 4-pin connector with SWD clock & data; it can be seen on the right-hand side of the photograph above.”

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