National Instruments Car Stereo System 320571-01 用户手册

DSP ReFFT...............................................................................................................................................

 

2-66

DSP Reset .................................................................................................................................................

 

2-66

DSP Reverse .............................................................................................................................................

 

2-67

DSP Sawtooth Pattern...............................................................................................................................

 2-68

DSP Set .....................................................................................................................................................

 

2-69

DSP Shift ..................................................................................................................................................

 

2-69

DSP Sinc Pattern.......................................................................................................................................

 

2-70

DSP Sine Pattern.......................................................................................................................................

 

2-71

DSP Square Pattern...................................................................................................................................

 

2-72

DSP Square Root ......................................................................................................................................

 

2-73

DSP Sort ...................................................................................................................................................

 

2-74

DSP Start ..................................................................................................................................................

 

2-75

DSP Subset ...............................................................................................................................................

 

2-75

DSP Subtract.............................................................................................................................................

 

2-76

DSP Sum...................................................................................................................................................

 

2-76

DSP TimeOut ............................................................................................................................................

 

2-77

DSP Triangle Pattern ................................................................................................................................

 

2-78

DSP Triangular Train................................................................................................................................

 2-80

DSP Triangular Window ..........................................................................................................................

 2-81

DSP Uniform White Noise .......................................................................................................................

 2-82

DSP Unwrap Phase ...................................................................................................................................

 

2-83

DSP Zero Padder ......................................................................................................................................

 

2-84

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 1-1

Overview of the NI-DSP Interface Utilities..............................................................................................

 1-1

Installing the NI-DSP Interface Utilities ..................................................................................................

 1-2

Using the NI-DSP Interface Utilities ........................................................................................................

 1-2

.......................................................

 2-1

Creating Your Custom NI-DSP Library ...................................................................................................

 2-1

1.  Create Your Source Code of C Functions .............................................................................

 2-1

GMaxMin.c  Example ..................................................................................................

 2-1

Guidelines for the Custom Functions ..........................................................................

 2-2

DSP Board Memory Management ...............................................................................

 2-3

2.  Compile and/or Assemble Source Code ................................................................................

 2-4

3.  Add Your Object Filenames to a Linker File (ifile) ..............................................................

 2-4

4.  Add Your New Function Names to a Library Function List File..........................................

 2-4

Customizing the DSP Library by Deleting Functions .................................................

 2-5

5.  Run the Build Dispatch Application to Generate an Assembly Dispatch File ......................

 2-6

6.  Compile, Assemble, and Link Your Custom Library............................................................

 2-7

Creating Your LabVIEW Interface ..........................................................................................................

 2-8

1.  Bundle All of the Input Parameters to Arrays .......................................................................

 2-8

2.  Call the Custom VI ................................................................................................................

 2-10

3.  Index the Output Arrays to Obtain the Results .....................................................................

 2-10

Executing the Custom Function from LabVIEW .....................................................................................

 2-12

......................................................................................................

 3-1

Data Acquisition Functions ......................................................................................................................

 3-3