Renesas 70 manuali

Renesas 70 Manuale Utente (162 pagine)

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Inglese

Indice

M3T-MR308/4 V.4.00

1

• Release Note

3

• Users Manual (PDF file)

3

Contents

5

List of Figures

8

List of Tables

10

OS:Operating System

14

2.3 MR308 Features

17

3.1 Concept of Real-time OS

20

Key input

22

Real-time OS

24

Register stored

25

Register not stored

25

3.2 Service Call

26

Real-time OSProgram

28

Starting the task

28

ID number

28

3.3 Task

29

DORMANT

30

SUSPENDED

30

Priority

33

Called the task context

35

Time-out counter

36

Flag wait pattern

36

3.4 System States

37

1. Interrupt Handler

37

2. Cyclic Handler

37

3. Alarm Handler

37

3.5.1 Module Structure

40

3.5.2 Module Overview

41

Startup request count > 0

42

0 0 1 2 1

44

Number of

45

• Delay task (dly_tsk)

46

Returned after use

47

WAIT state

48

Data Data

51

Message Message

52

Message

53

get_tim service call

57

set_tim service call

57

• Set System Time (set_tim)

58

Move the end of the queue

61

Save Registers

62

Task Selection

62

Overview

69

Configuration file

71

Figure 4.2 Program Example

73

4.2.3 Configurator Execution

75

4.2.4 System generation

75

4.2.5 Writing ROM

75

5.2.1 Writing Task

83

5.5 Regarding Interrupts

89

5.5.3 Controlling Interrupts

90

4. Precautions

92

5.9 Memory Allocation

100

• asm_sec.inc

100

• c_sec.inc

100

Symbol

107

• 10ms

108

• 10.5ms

108

MPU clock

111

ID No

117

ID name

117

Number of data queues

118

Select message queue

120

Maximum message priority

120

ID Name

122

Section name

122

Memory pool size

122

Start address

125

Extended information

125

Vector No

126

Chapter 6 Using Configurator

129

- 119

129

- 120

130

- 121

131

- 122

132

6.2.1 Configurator Overview

133

Command Options

136

-v Option

136

-V Option

136

-m Option

136

Error messages

139

Warning messages

141

Other messages

141

6.3 Editing makefile

142

OS-independent handler

146

Processing

148

Execution

149

7.2 Stacks

150

• User Stack

150

• System Stack

150

8.2 Program Source Listing

153

8.3 Configuration File

154

Chapter 9 Separate ROMs

155

M3T-MR308/4

162

User's Manual

162

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