uC/OS-II (Structure) - ê²½í¬ëíêµ

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Kernel Structure (Cont’d) • Critical Section, OS_ENTER_CRITICAL() & OS_EXIT_CRITICAL() MicroC/OS-II OS_ENTER_CRITICAL() OS_EXIT_CRITICAL() Interrupt OS_ENTER_CRITICAL() OS_EXIT_CRITICAL() Critical Section . OS_ENTER_CRITICAL(); /* uC/OS-II critical code section */ OS_EXIT_CRITICAL(); . OS_ENTER_CRITICAL() OS_EXIT_CRITICAL() . (OS_CPU.H OS_CRITICAL_METHOD ) ‣ 1.OS_ENTER_CRITICAL() OS_EXIT_CRITICAL() / ‣ 2. / Stack ‣ 3. C Embedded System Lab. II 9
Kernel Structure (Cont’d) • Task – Infinite loop function MicroC/OS-II Task 64 . MicroC/OS-II 8 Idle, CPU Task .(ex. 1 -> ) Task Task . void YourTask (void *pdata) { for (;;){ /* USER CODE */ Call one of uC/OS-II’s services: OSFlagPend(); OSMboxPend(); OSMutexPend(); OSQPend(); OSSemPend(); OSTaskDel(OS_PRIO_SELF); OSTaskSuspend(OS_PRIO_SELF); OSTimeDly(); OSTimeDlyHMSM(); /* USER CODE */ } } Embedded System Lab. II 10
Page 1 and 2: MicroC/OS /OS-II Structure Embed
Page 3 and 4: Introduction Embedded System Lab. I
Page 5 and 6: Introduction (Cont’d) • MicroC/
Page 7 and 8: Kernel Structure Embedded System La
Page 9: Kernel Structure (Cont’d) OS_EN
Page 13 and 14: Kernel Structure (Cont’d) • Tas
Page 17 and 18: Kernel Structure (Cont’d) • Rea
Page 19 and 20: Kernel Structure (Cont’d) •
Page 23 and 24: Kernel Structure (Cont’d) Task
Page 25 and 26: Kernel Structure (Cont’d) • Sch
Page 27 and 28: Kernel Structure (Cont’d) • Ta
Page 29 and 30: Kernel Structure (Cont’d) • Ta
Page 31 and 32: Kernel Structure (Cont’d) • Mic
Page 33 and 34: Kernel Structure (Cont’d) • Clo
Page 39 and 40: Task Management Embedded System Lab
Page 41 and 42: Task Management (Cont’d) • Task
Page 47 and 48: Task Management (Cont’d) • Stac
Page 55 and 56: Time Management Embedded System Lab
Page 57 and 58: Time Management (Cont’d) • Task
Page 59 and 60: Time Management (Cont’d) • Task
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Time Management (Cont’d) • /
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Event Control Block • Event Contr
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Event Control Block (Cont’d) •
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Semaphore Management Embedded Syste
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Semaphore Management (Cont’d) •
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Mutual Exclusive Semaphore Embedded
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Event Flags Management Embedded Sys
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Event Flags Management (Cont’d)
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Event Flags Management (Cont’d)
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Message Mailbox Embedded System Lab
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Message Mailbox Management (Cont’
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Message Queue Mailbox Embedded Syst
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Message Queue Management (Cont’d)
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Memory Management • Memory Manage
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Memory Queue Management (Cont’d)
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MicroC/OS /OS-II Porting • Portin
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MicroC/OS /OS-II Porting (Cont’d)
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