µVision4 User's Guide

Breakpoints Dialog

µVision supports complex breakpoints. For example, you may want to halt program execution when a variable contains a certain value. The example shows how to define a breakpoint that triggers when the value 3 is written to current.time.sec.

• Open the dialog Debug - Breakpoints.
• Enter into the filed Expression: current.time.sec==3.
• Enable the Write check box (this option specifies that the break condition is triggered only when the value 3 is assigned to the variable).
• Click the button Define to set the breakpoint.

Perform the following steps to test the breakpoint:

Symbol	Description
	Reset CPU.
	If program execution is halted begin executing the MEASURE program.