uC/OS-II (Structure) - ê²½í¬ëíêµ

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MicroC/OS /OS-II Porting (Cont’d) • OS_ENTER_CRITICAL() OS_EXIT_CRITICAL() OS_CRITICAL_METHOD == 1 ‣ OS_ENTER_CRITICAL(): ‣ OS_EXIT_CRITICA(): ‣ : MicroC/OS-II . #define OS_ENTER_CRITICAL() disable_int() /* */ #define OS_EXIT_CRITICAL() enable_int() /* */ OS_CRITICAL_METHOD == 2 ‣ OS_ENTER_CRITICAL(): ‣ OS_EXIT_CRITICAL(): #define OS_ENTER_CRITICAL() \ asm(“ PUSH PSW”); \ asm(“ DI”); #define OS_EXIT_CRITICAL() \ asm(“POP PSW”); Embedded System Lab. II 121
MicroC/OS /OS-II Porting (Cont’d) • OS_ENTER_CRITICAL() OS_EXIT_CRITICAL() OS_CRITICAL_METHOD == 3 ‣ PSW C . #define OS_ENTER_CRITICAL() \ cpu_sr = get_processor_psw(); disalble_interrupts(); #define OS_EXIT_CRITICAL() \ set_processor_psw(cpu_sr); Embedded System Lab. II 122
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MicroC/OS /OS-II Structure Embed
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Introduction Embedded System Lab. I
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Introduction (Cont’d) • MicroC/
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Kernel Structure Embedded System La
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Kernel Structure (Cont’d) OS_EN
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Kernel Structure (Cont’d) • Tas
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Kernel Structure (Cont’d) • Rea
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Kernel Structure (Cont’d) •
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Kernel Structure (Cont’d) Task
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Kernel Structure (Cont’d) • Sch
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Kernel Structure (Cont’d) • Ta
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Kernel Structure (Cont’d) • Ta
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Kernel Structure (Cont’d) • Mic
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Kernel Structure (Cont’d) • Clo
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Task Management Embedded System Lab
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Task Management (Cont’d) • Task
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Task Management (Cont’d) • Stac
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Time Management Embedded System Lab
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Time Management (Cont’d) • Task
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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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Page 71 and 72: Semaphore Management Embedded Syste
Page 73 and 74: Semaphore Management (Cont’d) •
Page 79 and 80: Mutual Exclusive Semaphore Embedded
Page 81 and 82: Event Flags Management Embedded Sys
Page 83 and 84: Event Flags Management (Cont’d)
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Page 87 and 88: Message Mailbox Embedded System Lab
Page 89 and 90: Message Mailbox Management (Cont’
Page 95 and 96: Message Queue Mailbox Embedded Syst
Page 97 and 98: Message Queue Management (Cont’d)
Page 107 and 108: Memory Management • Memory Manage
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