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This article mainly shows you "what is the use of dprintf in Tool", the content is simple and clear, hoping to help you solve your doubts, the following let the editor lead you to study and learn "what is the use of dprintf in Tool" this article.

This "dynamic printf" is a new function added from Vx67. It is in WorkBench (not in Code) and dynamically inserts print statements based on breakpoints. When the program executes to a specific location, it can be used to print the value of variables. Currently, the supported variable types are int and char*.

Start the simplest example

There is a variable I in the program whose value is changing all the time. Because it is Local, you cannot view it in Shell; if you add a breakpoint, it will interrupt the execution of the program and affect the cycle of the loop.

Then try dprintf: start Debugger first (for example, through the Attach task)

Then right-click in the appropriate location in the code and select Add Dynamic printf

Just add the content to be printed in the dprintf properties page that opens

After clicking OK, you can see the dprintf statement in the breakpoint window. Soon, the Target side also output the execution result of dprintf.

If you are interested, you can try several properties of dprintf

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