µVision User's GuideAbout µVision User Interface Creating Applications Debugging Using the Debugger Simulation Start Debugging Application Program Execution Debug Windows and Dialogs Breakpoints Window Call Stack and Locals Window Code Coverage Command Window Component Viewer Disassembly Window Event Recorder Filter Component Levels Setup Event Recorder Event Viewer Execution Profiler Instruction Trace Window Logic Analyzer Setup Setup in Detail Restrictions Cortex-M Trace Configuration Memory Map Memory Window Performance Analyzer Registers Window Serial Window Symbols Window System Viewer Adding System Viewer Windows System and Thread Viewer Thread States Toolbox Trace Data Window Trace Navigation Watch Window Core Peripherals Cortex-M0 and Cortex-M0+ Nested Vector Interrupt Controller System Control and Configuration System Tick Timer Fault Reports (Cortex-M0+ only) Cortex-M3, Cortex-M4, and Cortex-M7 Nested Vector Interrupt Controller System Control and Configuration System Tick Timer Fault Reports Memory Protection Unit Cortex-M23 and Cortex-M33 Nested Vector Interrupt Controller System Control and Configuration System Tick Timer Fault Reports Memory Protection Unit Security Attribution Unit Expressions Constants System Variables Peripheral Variables I/O Ports Serial Ports Program Variables (Symbols) Fully Qualified Symbols Non-Qualified Symbols Literal Symbols Using Symbols Line Numbers Bit Addresses Type Specifications Operators Differences between µVision and C Expression Examples Code and Data Trace (Cortex-M) Trace Features Tracepoint Expressions Tracepoint Intrinsics Tracepoint Limitations Configuring the Trace Hardware Tracepoint Marks Tips and Tricks Review Peripherals and CPU Configuration Simulate I/O Ports Simulate Interrupts and Clock Inputs Simulate external I/O Devices Assign Serial I/O to a PC COM Port Check Illegal Memory Access Command Input from File Preset I/O Ports or Memory Contents Write Debug Output to a File Keyboard Shortcuts TPIU Initialization after RESET (Cortex-M) Prevent Opening Files Show Japanese Messages Code Coverage Export MTB Trace Import for Code Coverage Debug Commands Debug Functions Simulation Flash Programming Dialogs Utilities Command Line Example Programs Appendix
The Watch window allows to evaluate symbols, registers, and expressions. The window displays the item name, value, and type.
Open this window through the toolbar button or using the menu View – Watch Windows.
Using the Watch Window
Drag&drop expressions to other windows, for example to a Memory, Command, or Logic Analyzer window.
Add an Expression
Remove an Expression
Change the Value of an Expression
The context menu allows:
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of your data.