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10 C/C++ Expressions
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10. C/C++ Expressions
10.1 Writing C/C++ Expressions
You can use C/C++ expressions consisting of the tokens shown below for registering C watchpoints
and for specifying the values to be assigned to C watchpoints.
Token
Example
Immediate values 10, 0x0a, 012, 1.12, 1.0E+3
Scope ::name, classname::member
Mathematical operators +, -, *, /
Pointers *, **, ...
Reference &
Sign inversion -
Member reference using dot operator Object.Member
Member reference using arrow Pointer->Member, this->M mber e
Pointers to Members Ob ct.*var, Pointer->*var je
Parentheses (, )
Arrays Array[2], DArray[2] [3] , ...
Casting to basic types (int), (char*), (unsigned long *), ...
Casting to typedef types (DWORD), (ENUM), ...
Variable names and function names var, i, j, func, ...
Character constants 'A', 'b', ...
Character string literals "abcdef", "I am a boy.", ...
10.1.1 Immediate Values
You can use hexadecimals, decimals, octals as immediate values. Values starting with 0x are
processed as hexadecimals, those with 0 as octals, and those without either prefix as decimals.
Floating-point numbers can also be used to assign values to variables.
Notes
• You cannot register only immediate values as C watchpoints.
• The immediate value is effective only when it is used in C/C++ language expressions that specify
C/C++ watchpoints or when it is used to specify the value to be assigned to those expressions.
When using floating-point numbers, operation cannot be performed on an expression like 1.0+2.0.
- To our customers 1
- Overview 5
- Target System 5
- Supported CPU 5
- Setup of Debugger 1 7
- Tutorial 59 8
- Reference 81 8
- 12. Attention 263 11
- 10. C/C++ Expressions 253 11
- Setup of Debugger 13
- 1. Features 15
- 1.1.2 Sampling Period 16
- 1.1.3 Related Windows 16
- 1.2 Break Functions 17
- 1.2.2 Hardware Break 18
- 1.2.3 Protect Break 19
- 1.3 Real-Time Trace Function 20
- 1.5 Coverage Function 23
- 2.1 Communication methods 25
- 2.2 Function table 25
- 3.1.1 USB Interface 26
- 3.1.2 LAN Interface 26
- 3.1.3 LPT Interface 26
- 3.2 Download of Firmware 28
- 3.3.1 USB communication 29
- 3.3.2 LAN communication 1 30
- Key Data 32
- HKEY_LOCAL_MACHINE¥S 32
- 4. Preparation before Use 34
- 4.3 Starting the Debugger 46
- 5. Setup the Debugger 47
- 5.1.1 MCU Tab 48
- 5.1.3 F/W and Work Area Tab 53
- 5.1.5 Clock Tab 57
- 5.1.6 Script Tab 58
- Comm nication Mode u 60
- Nibb le 60
- Contents 64
- Mapping Note 68
- External 68
- Internal 68
- Tutorial 73
- 6. Tutorial 75
- 6.2 Usage 76
- 6.2.8 Step8 : Viewing Memory 85
- 6.2.14 What Next? 94
- Reference 95
- 7. Windows/Dialogs 97
- 7.1 RAM Monitor Window 98
- 7.1.1 Extended Menus 100
- 7.2 ASM Watch Window 102
- 7.2.1 Extended Menus 103
- 7.3 C Watch Window 104
- 7.3.1 Extended Menus 106
- 7.4 Coverage Window 107
- 7.4.1 Extended Menus 108
- 7.5 Script Window 110
- 7.5.1 Extended Menus 111
- 7.6.1 Command Button 113
- 7.7.4 Command Button 121
- 7.8 Protect Window 160
- 7.9.6 Command Button 167
- 7.10 Time Measurement Window 173
- 7.10.3 Command Button 178
- 7.11 Trace Window 184
- 7.11.5 Extended Menus 189
- 7.12 Data Trace Window 195
- 7.12.1 Extended Menus 196
- 7.13 GUI I/O Window 197
- 7.13.1 Extended Menus 198
- 7.14 MR Window 199
- 7.15 MR Trace Window 223
- 7.15.1 Extended Menus 225
- 7.15.2.5.1. Move the Marker 231
- 7.16 MR Analyze Window 232
- 7.16.4 Extended Menus 234
- 7.17 MR Task Pause Window 237
- 7.17.2 Extended Menus 238
- 7.18 Task Trace Window 244
- 7.18.1 Extended Menus 245
- 7.18.2.3.1. Move the Marker 250
- 7.19 Task Analyze Window 251
- 8. Table of Script Commands 253
- 9. Writing Script Files 259
- 9.1.1 Script Command 260
- 9.1.2 Assign Statement 260
- 9.1.3 Conditional Statement 260
- 9.1.5 Comment statements 261
- 9.2 Writing Expressions 262
- Notes 263
- 9.2.3 Macro Variables 264
- 9.2.4 Register variables 265
- 9.2.5 Memory variables 265
- 9.2.6 Line Nos 265
- Dyadic comparison level 8 266
- 10. C/C++ Expressions 267
- 10.1.2 Scope Resolution 268
- 10.1.4 Pointers 268
- 10.1.5 Reference 268
- 10.1.6 Sign Inversion 269
- Default 270
- unsigned 270
- signed 270
- 10.1.14 Variable Name 271
- 10.1.15 Function Name 271
- 10.1.16 Character Constants 271
- 10.2.1 Enumeration Types 272
- 10.2.2 Basic Types 272
- 10.2.3 Pointer Types 273
- 10.2.4 Array Types 274
- 10.2.5 Function Types 274
- 10.2.6 Reference Types 274
- 10.2.7 Bit Field Types 274
- 10.2.9 Syntax Errors 275
- 12. Attention 277
- 12.1.4 Function name in C++ 279
- 12.1.8 Down-load of Firmware 279
- 12.2.5 Hardware Event 283
- 12.2.7 CPU rewrite 283
- 12.2.8 MR STK script command 283
- 12.3.3 TASKING C Compiler 284
- 12.3.5 Hardware Event 285
- 12.3.9 Watch dog timer 286
- 12.3.10 CPU rewrite 286
- 12.4.9 Hardware Event 288
- 12.5.1 When Using NCxx 289
- -y Option 290
- -ylmb 290
- -ylmba 290
- -yspc 293
- User’s Manual 296
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