RAM 6.0 BUX II Series manuali

Ram 6.0 BUX II Series Guida Utente (189 pagine)

Marchio: Ram | Categoria: Amplificatori audio | Dimensione: 0.62 MB |

Inglese

Indice

BSP DEVELOPER’S GUIDE

1

U.S.): (800) 545-WIND

2

Contents

3

Contents

5

Introduction

9

BSP Developer’s Guide, 6.0

10

1.3 BSP Development Process

11

1.4 Terminology

12

Overview of a BSP

13

2.2 Boot Sequence

15

2.2.1 Sequence Overview

16

2 Overview of a BSP

17

Step 1: Execute romInit( )

23

Step 4: Execute usrInit( )

25

TCB) from the top

27

2.3 Components of a BSP

28

USRCONFIG = usrConfig.c

29

2.3.2 Derived Files

36

2.3.4 Required Routines

40

/* lock interrupts */

46

2.3.5 Required Macros

47

ROM_TEXT_ADRS. The offset

48

2.3.6 Optional Routines

50

2.4.1 BSP Debugging Methods

52

2.4.3 The Wind River IDE

56

2.4.5 Download Path

57

2.5 Avoiding Common Problems

61

Porting a BSP to

63

Custom Hardware

63

3.2.1 Initializing the Board

64

3.2.2 Initializing Memory

65

LED Routines

70

#undef INCLUDE_WDB_VIO

75

3.2.7 Interrupt Controllers

78

3.2.8 ISR Guidelines

78

3.2.9 DMA

78

3.2.11 Serial Drivers

79

3.3.2 Projects

81

3.3.3 Adding Other Timers

81

3.3.4 NVRAM

82

3.3.6 Boot ROMs

85

FUNCPTR * pArg

89

UINT * pArg

89

3.3 Finalizing Your BSP

101

Generic Driver Introduction

110

One-Shot Timer Examples

116

Non-Volatile Memory

117

Debugging Your BSP

123

4 Debugging Your BSP

127

4.2.3 Verifying RAM

129

For example:

133

4.3.1 Symbols

134

4.3.2 Breakpoints

134

Common Development Issues

139

Image Locations

140

A.3 Cache and MMU

141

Timing Issues

142

A.4 Reusing Unportable Code

143

A.5 Volatile Variables

143

Documentation Guidelines

145

B.1 Introduction

146

B.2 Written Style

146

Use... Not

147

B Documentation Guidelines

149

Acronyms

152

Board Names

153

NAME Section

154

B.4 Sections for target.ref

161

B.5 Format and Style

163

Ta b le B -5 Apigen Markup

166

Component Input Output

170

Command Syntax

174

Board Diagrams

174

B.6 Directives

175

Directive Name Usage

176

\IMAGE images/board.jpg

178

\IMAGE images/switches.gif

178

(apigen or refgen -mg)

182

Ram 6.0 BUX II Series Guida Utente (36 pagine)

Marchio: Ram | Categoria: Amplificatori audio | Dimensione: 0.15 MB |

Inglese

Indice

HARDWARE CONSIDERATIONS GUIDE

1

U.S.): (800) 545-WIND

2

Contents

3

Hardware Considerations Guide

5

Interrupt Handling

8

Cache Issues

9

5. Memory

11

6. Bus Support

13

Dual-Port Memory

15

Read-Modify-Write (RMW)

16

Arbitration

16

Mailbox Interrupts

17

7. Devices

19

System Clock

21

Auxiliary Clock

21

Ethernet Controllers

23

8.1 Flash Devices

26

8.3 TrueFFS Features

27

9. Virtual Memory Library

34

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