MATLAB XPC TARGET 4 - API GUIDE Guide de l'utilisateur Page 269
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fread
14-25
14fread
Purpose Read open target PC file
Syntax MATLAB command line
fread(file_obj,file_ID)
file_obj.fread(file_ID)
Arguments
Description Method of xpctarget.fs objects. From the host PC, reads the binary data from
the file on the target PC and writes it into matrix A. The
file_ID argument is
the file identifier associated with an open file (see
fopen).
Examples Open the file data.dat in the target PC file system object fsys. Assign the
resulting file handle to a variable for reading.
h = fopen(fsys,'data.dat') or fsys.fopen('data.dat')
ans =
2883584
d = fread(h);
This reads the file data.dat and stores the contents of the file to d. This content
is in the xPC Target file format.
See Also xPC Target file object methods fclose, fopen, and fwrite.
MATLAB
fread function.
file_obj
Name of the xpctarget.fs object.
file_ID
File identifier of the file to read.
- User’s Guide 1
- How to Contact The MathWorks: 2
- Embedded Option 6
- Troubleshooting 10
- Function Reference 11
- Contents 12
- Target and Scope Objects 13
- 1 Target and Scope Objects 14
- Scope Objects 15
- Targets and Scopes in the 19
- MATLAB Interface 19
- Working with Target Objects 20
- Deleting Target Objects 21
- 2 Alternatively, you can type 22
- Working with Scope Objects 25
- 2 Alternatively, type 26
- Signals and Parameters 37
- 3 Signals and Parameters 38
- Monitoring Signals 39
- Signal Tracing 47
- Add Target Scope 49
- Add to Scopes 53
- Software Triggering Scopes 57
- Scope of Type Host 69
- Scope of Type Target 69
- Interrupted) or finishes 71
- Signal Logging 75
- Signal logging 75
- Enter key 81
- Parameter Tuning with MATLAB 83
- Simulation menu, click 87
- Connect to target 87
- Configure button 93
- Add to table 93
- Update Parameter button 95
- 4 Embedded Option 100
- 9 Boot the target PC 103
- *.rtb file 105
- Embedded Option Setup 107
- Creating a DOS System Disk 109
- Create BootDisk 111
- DOSLoader Target Setup 111
- Reset button on your target 113
- Stand-Alone Target Setup 115
- Software Environment 123
- 1 In the MATLAB window, type 124
- Explorer 125
- Command-Line Interface 128
- In the MATLAB window, type 129
- Using the Target PC 131
- C. In this case 132
- Target PC 133
- System: S0 has value 5.1851 134
- Working with Target PC 139
- Files and File Systems 139
- Introduction 140
- FTP and File System Objects 142
- Using xpctarget.ftp Objects 143
- Using xpctarget.fs Objects 147
- Graphical User Interfaces 155
- 8 Graphical User Interfaces 156
- Host PC Target PC 157
- To xPC Target Block 159
- Block Parameters 161
- Signal Properties 165
- Documentation tab 165
- Interface 169
- Web Browser Interface 170
- Ctrl+C by 172
- Ctrl+C is not used to 172
- Using the Main Pane 174
- Main pane 175
- Changing WWW Properties 177
- -1 or Inf 178
- 1, enter 180
- Interrupts Versus Polling 181
- 10 Interrupts Versus Polling 182
- Polling Mode 183
- Target Application 189
- Polling Mode Performance 193
- 11 xPC Target and Fortran 196
- Prerequisites 197
- Compiling Fortran Files 201
- Parameters 205
- 12 Troubleshooting 210
- Is the Target PC Halted? 211
- Create Bootdisk 219
- Advanced Troubleshooting 223
- Can Library parameter in 225
- PCI Slot parameter of 225
- Target PC Command-Line 235
- Interface Reference 235
- Target PC Commands 236
- Target Object Methods 237
- Scope Object Methods 239
- or move mouse 243
- 14 Function Reference 246
- Target Objects 247
- Functions — Categorical List 251
- 14addscope 253
- Syntax MATLAB command line 253
- Arguments 253
- MATLAB command line 258
- Purpose Remove target object 260
- function 262
- 14fc422mexcalcbits 265
- 14get (scope object) 272
- AutoRestart check box to 273
- Number of samples, then 273
- 14get (target object) 281
- 14getxpcenv 297
- Syntax MATLAB Command Line 297
- RAM size 298
- Target boot mode 304
- Purpose Reboot target PC 312
- 14set (scope object) 320
- Description 320
- 14set (target object) 329
- Simulation 331
- 14setxpcenv 334
- Interface” on page 5-6 342
- Target PC command line 345
- 14updatexpcenv 352
- 14xpcexplr 355
- 14xpctarget.fs 356
- 14xpctarget.ftp 358
- 14xpctarget.xpc 360
- MATLAB Command Line 364
- 14xpcwwwenable 365
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