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µVision User's Guide
About µVision
User Interface
Creating Applications
Utilities
Debugging
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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
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Memory Map
Memory Window
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Registers Window
Serial Window
Symbols Window
System Viewer
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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
Literal Symbols
Literal Symbols are identified by a back quote character (‘). Literal symbols must be used to access:
- program variables or symbols which are identical with a predefined Reserved Word, such as debug command options, data type names, CPU register names, and assembler mnemonics.
- CPU driver symbols (VTREG) which are identical to a program variable name.
Examples
Assume a variable R5 has been defined in the application. To access the R5 variable and not the register R5, prefix the symbol name with the back quote character (‘).
| Accessing the R5 Register | Accessing the R5 Variable |
R5 = 121 |
‘R5 = 212 |
Assume a function named clock has been defined in the application. To access the VTREG clock, prefix the symbol name with the back quote character (‘).
| Accessing the clock function | Accessing the clock VTREG |
clock 0x00000DB2 |
‘clock 20000000 |
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