uC/OS-II (Structure) - ê²½í¬ëíêµ

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Kernel Structure (Cont’d) • Idle Task / OS_TaskIdle() MicroC/OS-II Idle Task . Idle Task Task . Idle Task (OS_LOWEST_PRIO) . Idle Task . void OS_TaskIdle (void *pdata) { #if OS_CRITICAL_METHOD == 3 OS_CPU_SR cpu_sr; #endif } pdata = pdata; for (;;) { OS_ENTER_CRITICAL(); OSIdleCtr++; OS_EXIT_CRITICAL(); OSTaskIdleHook(); } Embedded System Lab. II 25
Kernel Structure (Cont’d) • Task / OS_TaskStat() MicroC/OS-II . OS_CFG.H OS_TASK_STAT_EN 1 Task Task CPU 1 % . Task Task Task . void main (void) { OSInit(); /* Initialize uC/OS-II */ /* Install uC/OS-II's context switch vector */ /* Create your startup task (for sake of discussion, TaskStart()) */ OSStart(); /* Start multitasking */ } void TaskStart (void *pdata) { /* Install and initialize uC/OS-II’s ticker */ OSStatInit(); /* Initialize statistics task */ /* Create your application task(s) */ for (;;) { /* Code for TaskStart() goes here! */ } } Embedded System Lab. II 26
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 and 10: Kernel Structure (Cont’d) OS_EN
Page 11 and 12: 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: Kernel Structure (Cont’d) • Sch
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
Page 61 and 62: Time Management (Cont’d) • /
Page 63 and 64: Event Control Block • Event Contr
Page 65 and 66: Event Control Block (Cont’d) •
Page 71 and 72: Semaphore Management Embedded Syste
Page 73 and 74: Semaphore Management (Cont’d) •
Page 75 and 76: Semaphore Management (Cont’d) •
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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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