National Instruments AutoCode NI MATRIX manuals

Owner’s manuals and user’s guides for Water pumps National Instruments AutoCode NI MATRIX.
We providing 1 pdf manuals National Instruments AutoCode NI MATRIX for download free by document types: User Manual

National instruments AutoCode NI MATRIX User Manual (250 pages)

Brand: National-instruments | Category: Water pumps | Size: 1.91 MB |

English

Table of contents

NI MATRIXx

1

Important Information

3

Conventions

4

Chapter 3

6

Ada Language Reference

6

Chapter 4

8

Chapter 5

8

Contents

10

AutoCode Reference x ni.com

10

Chapter 6

11

Vectorized Code Generation

11

AutoCode Reference xii ni.com

12

Appendix A

13

Introduction

14

General Information

15

Configuration File

15

Language-Specific Information

15

Using MATRIXx Help

16

Related Publications

17

C Language Reference

18

Stand-Alone Library

19

AutoCode Reference 2-4 ni.com

21

Target-Specific Utilities

22

AutoCode Reference 2-6 ni.com

23

AutoCode Reference 2-8 ni.com

25

UserCode Blocks

27

Implementing Handwritten UCBs

30

File Name: usr_dsp.c

32

Fleming: usr_dsp.c

34

Function Name: usr_dsp

34

Variable Interface UCB

35

Interface Ordering

35

Function Prototype

36

Procedure SuperBlocks

37

Generate Reusable Procedure

40

Function

41

C Fixed-Point Arithmetic

43

Fixed-Point Data Types

45

User Types

47

Overflow Protection

48

Stand-Alone Files

48

Macro Interface

49

Function Interface

50

Conversion Macros

52

8-bit number with a shift of

53

i ALIGN so wo p (n, rp)

54

Arithmetic Macros

55

32-Bit Multiplication

59

32-Bit Division

60

16-Bit by 8-Bit Division

60

32-Bit by 16-Bit Division

60

Fixed-Point Relational Macros

61

Some Relevant Issues

62

Supplied Templates

64

(or sa_utils.ada), the

66

Data Types

67

Error Procedure( ) Procedure

69

AutoCode Reference 3-8 ni.com

70

External_Input ( ) Procedure

72

Calling UCBs

74

Ada Fixed-Point Arithmetic

78

Generic Functions

79

Instantiated Functions

79

Package Dependencies

80

Compilation Example

83

Fixed-Point Type Declarations

85

Bit-Wise Functions

88

Operator Instantiations

88

Sample Package

90

Conversion Functions

93

Language-Defined Conversion

94

Truncation Conversion

94

Explicit Rounding Conversion

94

Known Ada Compiler Problems

97

No-Op Conversion Function

98

Operating Systems

100

Configuration Items

101

Table Syntax

101

Scheduler Priority Table

103

Subsystem Table

103

AutoCode Reference 4-6 ni.com

105

Processor IP Name Table

106

Version Table

107

Using the Configuration File

107

Generated Code Architecture

109

Signal Naming

110

Duplicate Names

110

Selection of a Signal Name

110

Global Storage

111

-vbco option is not used

112

Subsystems

113

Top-Level SuperBlock

114

Block Ordering

114

Interface Layers

114

Sys_ExtIn and Sys_ExtOut, to

115

Single-Rate System

116

Multi-Rate System

116

Sample and Hold

116

Static Data Within Subsystems

117

R_P and I_P

117

State Data

117

Procedure Data

118

Pre-init Phase

118

Copy Back and Duplicates

118

Standard Procedures

119

Unrolled Interface

120

Phases and Error Handling

120

Referenced Percent Variables

120

Procedure Arguments

123

U, Y, S, and I

123

Caller Identification

126

Compatibility Issues

127

Macro Procedure

128

Asynchronous Procedures

129

Condition Block

130

BlockScript Block

130

Inputs and Outputs

131

Environment Variables

132

Local Variables

132

Default Phase

134

Local Variables and Phases

135

Discrete Semantics

135

Continuous Semantics

137

Looping Concepts

137

Terminology

137

Loops and Scalar Code

137

Vectorized Code

139

Types of Loops

139

Parameters

141

Optimizations

143

Dead Code Elimination

143

Implicit Type Conversion

144

Special Directives

144

UserCode Block

145

Parameterized UCB Callout

146

Software Constructs

147

BREAK Block

148

CONTINUE Block

148

Local Variable Block

148

Continuous Subsystem

149

Explicit Phases

150

Integrator

150

Limitations

150

Shared Memory Architecture

151

Shared Memory Callouts

152

Callout Naming Convention

152

Mapping Command Options

153

Definitions and Conventions

153

From Local Memory

154

From Shared Memory

154

option is not used

155

@offset = offset plus 1@@

156

) data types

158

Callout Pairs

159

syntax to call

160

options

161

Scalar Gain Block Example

165

Vectorized Gain Block Example

166

Array Subscripts

167

Signal Connectivity

168

Block Outputs

168

Block Inputs

168

AutoCode Reference 6-6 ni.com

169

Vectorization Modes

170

Vector Labels and Names

171

Vectorization Features

177

Split-Merge Inefficiency

180

Split Vector

180

External Outputs

184

Copy-Back

184

Eliminating Copy-Back

186

Other Copy-Back Scenarios

186

Matrix Outputs

191

Code Optimization

192

Chapter 7 Code Optimization

193

AutoCode Reference 7-2 ni.com

193

AutoCode Reference 7-4 ni.com

195

Restart Capability

196

AutoCode Reference 7-6 ni.com

197

Merging INIT Sections

199

-Oreuse 1

202

Constant Propagation

204

Optimizing with Matrix Blocks

207

AutoCode Sim Cdelay Scheduler

211

Task Posting Policies

212

Standard AutoCode Scheduler

213

AutoCode Reference 8-4 ni.com

214

Scheduler Pipeline

215

AutoCode Reference 8-6 ni.com

216

AutoCode Reference 8-8 ni.com

218

Sim Cdelay Scheduler

219

Implementation Details

222

DataStore Priority Problem

223

Global Scope Signals and

228

Parameterless Procedures

228

Data Monitoring/Injection

229

AutoCode Reference 9-4 ni.com

231

Parameterless Procedure

232

Output Specification

233

Global Output Connection

233

Issues and Limitations

235

SystemBuild Simulator

235

Connection to External Output

236

Recommendations

236

Naming Convention

236

Model Documentation

236

Explicit Sequencing

236

Command Options

237

Technical Support and

238

Professional Services

238

AutoCode Reference I-2 ni.com

240

AutoCode Reference I-4 ni.com

242

AutoCode Reference I-6 ni.com

244

AutoCode Reference I-8 ni.com

246

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