µVision4 User's Guide
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µVision4 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 Execution Profiler Instruction Trace Window Logic Analyzer Setup Setup in Detail Restrictions Using the Logic Analyzer Memory Map Memory Window Performance Analyzer Registers Window Serial Window Symbols Window System Viewer Adding System Viewer Windows Toolbox Trace Data Window Trace Navigation 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 µVision4 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 TPIU Initialization after RESET (Cortex-M) Debug Commands Debug Functions Simulation Flash Programming Dialogs Example Programs Command Line Appendix

Using Symbols

Using Symbols gives examples and hints for using symbols when debugging an application.

  • Symbol names must be used as displayed in the Symbols Window. Drag and drop a symbol from the Symbols Window into the Command Window to get the fully qualified symbol name.
  • Symbols can be defined at runtime with the commandDefine: 
    Define char|int|float|long|double SymbolName
    Symbol names
    • Must begin with: ['A'-'Z'], ['a'-'z'], '_', or '?'.
    • Can contain: ['A'-'Z'], ['a'-'z'], ['0'-'9'], '_', or '?'.
  • When a path contains spaces, then the symbol name must be enclosed in quotes ("). In addition, use a double backslash (\\) to escape the backslash (\) (rules for C string literals apply). Example: 
    LOAD "C:\\path with blanks\\filename.hex"
  • Insert a space between the ternary operator ("?:") and a symbol that begins with a question mark ("?")
    For example: R5 = R6 ? ?SYMBOL : R7.
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