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uC/OS-II Micrium
• uC/OS-II ´Â ƯÁ¤ CPU¿¡ »ó°ü¾øÀÌ Æ÷ÆÃÀÌ ¸Å¿ì ¿ëÀÌÇÕ´Ï´Ù.
• OS±â´É Ãß°¡/»èÁ¦°¡ ¸Å¿ì °£´ÜÇÑ ±¸Á¶·Î ¼³°è°¡ µÇ¾î ÀÖ½À´Ï´Ù.
• ¼±Á¡Çü ½Ç½Ã°£ ¸ÖƼ ŽºÅ· Ä¿³ÎÀÔ´Ï´Ù.
• ´ëºÎºÐÀÇ ÄÚµå´Â À̽ļºÀ» À§ÇÑ ANSI C·Î ÀÛ¼º ÇÏ¿´°í, Çϵå¿þ¾î ÀÇÁ¸ÀûÀÎ ºÎºÐÀ» ÃÖ´ëÇÑ ÁÙ¿´½À´Ï´Ù.
• OS¿¡¼ °¡Àå Áß¿äÇÑ ¾ÈÁ¤¼º ºÎºÐÀº 1992³âºÎÅÍ ¹«¼öÈ÷ ¸¹Àº Á¦Ç°¿¡ Àû¿ë µÇ¾î ÇöÀç±îÁö ÃÖ°íÀÇ
Operating SystemÀ¸·Î ÀÎÁ¤¹Þ°í ÀÖ½À´Ï´Ù.
> uC/OS-II Datasheet
• uC/OS-II È°¼ºÈ¸¦ À§ÇÏ¿© µð¿ÀÀÌÁî¿¡¼ ¾Æ·¡¿Í °°Àº ¼ºñ½º¸¦ ÇÏ°í ÀÖ½À´Ï´Ù.
- ±¹³» »ç¿ëÀÚ¸¦ À§ÇÏ¿© RTOS±¸Á¶, uC/OS-II Ä¿³Î±¸Á¶, uC/OS-II Æ÷ÆÃ, uC/OS-II API ·¹ÆÛ·±½º µîÀÌ
ÀÚ¼¼ÇÏ°Ô ¼³¸íÀÌ µÇ¾î ÀÖ´Â "MicroC/OS-II ½Ç½Ã°£Ä¿³Î (¿¡ÀÌÄÜÃâÆÇ»ç)"¸¦ µð¿ÀÀÌÁî¿¡¼
¹ø¿ªÀ» ÇÏ¿´½À´Ï´Ù.
- Á»´õ ½ÉÃþÀûÀÎ uC/OS ±¸Á¶ÀÇ ÀÌÇظ¦ µ½±â À§ÇÏ¿© µð¿ÀÀÌÁî¿¡¼ Á¤±âÀûÀ¸·Î À¯·á ±³À°À» ½Ç½Ã ÇÕ´Ï´Ù.
ÀÚ¼¼ÇÑ ³»¿ëÀº ¼ºñ½º °Ô½ÃÆÇÀ» ÂüÁ¶ ÇϽʽÿÀ.
- uC/OS-II Æò°¡ ¹× °³¹ß¿¡ µµ¿òÀ» ÁÖ°íÀÚ Evaluation board¸¦ Á¦ÀÛ ÇÏ¿´½À´Ï´Ù.
uC/OS-III Micrium
• uC/OS-III ¸¦ Æò°¡ ¹× °³¹ßÀ» À§ÇÏ¿© uC/EVAL-STM32F º¸µå¸¦ ÁغñÇÏ¿´½À´Ï´Ù.
ÀÚ¼¼ÇÑ ³»¿ëÀº ¥ìC/OS-III Book
& ¥ìC/Eval-STM32F107 °Ô½ÃÆÇÀ» È®ÀÎ ÇØÁÖ¼¼¿ä.
• uC/OS-II ¿Í Ư¡ ºñ±³
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Feature
|
¥ìC/OS-II
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¥ìC/OS-III
|
|
Preemptive Multitasking
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Yes
|
Yes
|
|
Maximum number of tasks
|
255
|
Unlimited
|
|
Number of tasks at each priority level
|
1
|
Unlimited
|
|
Round Robin Scheduling
|
No
|
Yes
|
|
Semaphores
|
Yes
|
Yes
|
|
Mutual Exclusion Semaphores
|
Yes
|
Yes
(Nestable)
|
|
Event Flags
|
Yes
|
Yes
|
|
Message Mailboxes
|
Yes
|
No
(not needed)
|
|
Message Queues
|
Yes
|
Yes
|
|
Fixed Sized Memory Management
|
Yes
|
Yes
|
|
Signal a task without requiring a semaphore
|
No
|
Yes
|
|
Send messages to a task without requiring a message queue
|
No
|
Yes
|
|
Software Timers
|
Yes
|
Yes
|
|
Task suspend/resume
|
Yes
|
Yes
(Nestable)
|
|
Deadlock prevention
|
Yes
|
Yes
|
|
Scalable
|
Yes
|
Yes
|
|
Code Footprint
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6K to 26K
|
6K to 20K
|
|
Data Footprint
|
1K
|
1K
|
|
ROMable
|
Yes
|
Yes
|
|
Run-time configurable
|
No
|
Yes
|
|
Compile-time configurable
|
Yes
|
Yes
|
|
ASCII names for each kernel object
|
Yes
|
Yes
|
|
Interrupt Latency (Cortex-M3)
|
120~
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< 100~
|
|
Pend on multiple objects
|
Yes
|
Yes
|
|
Task registers
|
Yes
|
Yes
|
|
Built-in performance measurements
|
Limited
|
Extensive
|
|
User definable hook functions
|
Yes
|
Yes
|
|
Time stamps on posts
|
No
|
Yes
|
|
Built-in Kernel Awareness support
|
Yes
|
Yes
|
|
Optimizable Scheduler in assembly language
|
No
|
Yes
|
|
Tick handling at task level
|
No
|
Yes
|
|
Source code available
|
Yes
|
Yes
|
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