uC/OS-II (Structure) - ê²½í¬ëíêµ

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Kernel Structure (Cont’d) • Scheduler / OSSchedLock() OSSchedUnlock() Scheduler . MicroC/OS-II 255 Scheduling . OSLockNesting 0 Scheduler . void OSSchedLock (void) { #if OS_CRITICAL_METHOD == 3 OS_CPU_SR cpu_sr; #endif } if (OSRunning == TRUE) { OS_ENTER_CRITICAL(); if (OSLockNesting < 255) { OSLockNesting++; } OS_EXIT_CRITICAL(); } Embedded System Lab. II 23
Kernel Structure (Cont’d) • Scheduler / void OSSchedUnlock (void) { #if OS_CRITICAL_METHOD == 3 OS_CPU_SR cpu_sr; #endif } if (OSRunning == TRUE) { OS_ENTER_CRITICAL(); if (OSLockNesting > 0) { OSLockNesting--; if ((OSLockNesting == 0) && (OSIntNesting == 0)) { OS_EXIT_CRITICAL(); OS_Sched(); } else { OS_EXIT_CRITICAL(); } } else { OS_EXIT_CRITICAL(); } } Embedded System Lab. II 24
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: Kernel Structure (Cont’d) Task
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
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) •
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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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