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Technical Support
On-Line Manuals
µVision User's Guide
About µVision
User Interface
Creating Applications
Utilities
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
Disassembly Window
Event Viewer
Logic Analyzer
Setup
Setup in Detail
Restrictions
Memory Map
Memory Window
Performance Analyzer
Registers Window
Serial Window
Symbols Window
System Viewer
System and Thread Viewer
Thread States
Toolbox
Watch Window
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
Memory Type Specifiers
Differences between µVision and C
Expression Examples
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
Prevent Opening Files
Debug Commands
Debug Functions
Simulation
Flash Programming
Dialogs
Example Programs
Command Line
Appendix
Watch Window
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.
Where
| search box | Allows finding expressions within the current name list. The search string can consist of alphanumeric characters and mask characters as described in the appendix F. Regular Search Expressions. |
| Name |
Lists the expression name. Symbol names comply to the rules
described in Program
Variables (Symbols).
|
| Value |
Shows the memory address or the evaluated value of an
expression. This field can contain explanatory text.
Expressions of the type unsigned char show the value and
the corresponding character. A single-quote (‘)
indicates that the value was restored from a previous debugging
session.
|
| Type | Shows the type of the expression. For functions the field shows the return and parameter types. |
- identifies items of a complex type, such
as structures or arrays.
- identifies items of a simple type, such as
integers or characters.
Using the Watch Window
Drag&drop expressions to other windows, for example to a Memory, Command, or Logic Analyzer window.
Add an Expression
- Double-click the text <Enter expression> and start editing. Refer to the section Expressions for details.
- Drag&drop expressions from other windows into the Watch window.
- Open the context menu of a file. Use Add item to - Watch #. The variable beneath the mouse position is added to the Watch window.
- Use the command WatchSet in the window Command.
Remove an Expression
- Click on the item name and press the Delete key.
- Use the command WatchKill in the window Command.
Change the Value of an Expression
- Click on the value-field and start editing. Not all expressions accept changes.
The context menu allows:
- Removing an expression.
- Changing the value representation.
- Setting breakpoints.
- Adding expressions to other windows.
- Showing or hiding the toolbar that contains the search box.
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