CompuLab SBC-X270 Manual de usuario descargar pdf (Pagina 4)

SCIOPTA - Real-Time Kernel

II Manual Version 4.1 User’s Manual

SCIOPTA - Real-Time Kernel

Table of Contents

4.3 Module Priority................................................................................................................................... 4-1

4.4 Module Memory ................................................................................................................................. 4-1

4.5 System Protection ............................................................................................................................... 4-2

4.6 SCIOPTA Module Friend Concept..................................................................................................... 4-2

4.7 Creating Modules................................................................................................................................ 4-3

4.7.1 Static Module Creation ....................................................................................................................... 4-3

4.7.2 Dynamic Module Creation.................................................................................................................. 4-3

4.8 Module Layout Examples................................................................................................................... 4-4

4.8.1 Small Systems..................................................................................................................................... 4-4

4.8.2 Multi-Module Systems ....................................................................................................................... 4-5

4.9 Module System Calls.......................................................................................................................... 4-6

5. Processes................................................................................................................. 5-1

5.1 Introduction......................................................................................................................................... 5-1

5.2 Process States...................................................................................................................................... 5-1

5.2.1 Running............................................................................................................................................... 5-1

5.2.2 Ready .................................................................................................................................................. 5-1

5.2.3 Waiting................................................................................................................................................ 5-1

5.3 Static Processes................................................................................................................................... 5-2

5.4 Dynamic Processes ............................................................................................................................. 5-2

5.5 Process Identity................................................................................................................................... 5-3

5.6 Prioritized Processes........................................................................................................................... 5-3

5.6.1 Creating and Declaring Prioritized Processes..................................................................................... 5-3

5.6.2 Process Priorities................................................................................................................................. 5-3

5.6.3 Writing Prioritized Processes.............................................................................................................. 5-4

5.6.3.1 Process Declaration Syntax ................................................................................................................ 5-4

5.6.3.2 Process Template................................................................................................................................ 5-4

5.7 Interrupt Processes.............................................................................................................................. 5-5

5.7.1 Creating and Declaring Interrupt Processes........................................................................................ 5-5

5.7.2 Interrupt Process Priorities.................................................................................................................. 5-5

5.7.3 Writing Interrupt Processes ................................................................................................................ 5-5

5.7.3.1 Interrupt Process Declaration Syntax ................................................................................................. 5-5

5.7.3.2 Interrupt Source Parameter................................................................................................................. 5-6

5.7.3.3 Interrupt Process Template ................................................................................................................. 5-6

5.8 Timer Processes .................................................................................................................................. 5-7

5.8.1 Creating and Declaring Timer Processes............................................................................................ 5-7

5.8.2 Timer Process Priorities...................................................................................................................... 5-7

5.8.3 Writing Timer Processes..................................................................................................................... 5-7

5.9 Init Processes ...................................................................................................................................... 5-8

5.9.1 Creating and Declaring Init Processes................................................................................................ 5-8

5.9.2 Init Process Priorities.......................................................................................................................... 5-8

5.9.3 Writing Init Processes......................................................................................................................... 5-8

5.10 Daemons ............................................................................................................................................. 5-9

5.10.1 Process Daemon.................................................................................................................................. 5-9

5.10.2 Kernel Daemon................................................................................................................................. 5-10

5.11 Supervisor Processes......................................................................................................................... 5-11

5.12 Process Stacks................................................................................................................................... 5-12

5.12.1 Unified Interrupt Stack for ARM Architecture................................................................................. 5-12

5.12.2 Interrupt Nesting for ARM Architecture .......................................................................................... 5-12

5.13 Addressing Processes........................................................................................................................ 5-13

5.13.1 Introduction....................................................................................................................................... 5-13

5.13.2 Get Process IDs of Static Processes.................................................................................................. 5-13

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CompuLab SBC-X270 Manual de usuario Pagina 4

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