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Anchor
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µC/OS-II (ucos_ii.h) |
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µC/OS-III (os.h) |
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Note |
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(1) |
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(2) |
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(3) |
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(4) |
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(5) |
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Table C-6 Changes in variable naming
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TC-6(1) In µC/OS-II, OSCPUUsage contains the total CPU utilization in percentage format. If the CPU is busy 12% of the time, OSCPUUsage has the value 12. In µC/OS-III, the same information is provided in OSStatTaskCPUUsage. However, as of µC/OS-III V3.03.00, the resolution of OSStatTaskCPUUsage is 1/100th of a percent or, 0.00% (value is 0) to 100.00% (value is 10,000).
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TC-6(2) In µC/OS-II, OSIntNesting keeps track of the number of interrupts nesting. µC/OS-III uses OSIntNestingCtr. The
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“Ctr” has been added to indicate that this variable is a counter.
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TC-6(3) OSSchedNesting represents the number of times OSSchedLock() is called. µC/OS-III renames this variable to OSSchedLockNestingCtr to better represent the variable’s meaning.
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TC-6(4) In µC/OS-II, OSTCBCur and OSTCBHighRdy are pointers to the OS_TCB of the current task, and to the OS_TCB of the highest-priority task that is ready-to-run. In µC/OS-III, these are renamed by adding the
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“Ptr” to indicate that they are pointers.
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TC-6(5) The internal counter of the number of ticks since power up, or the last time the variable was changed through OSTimeSet(), has been renamed to better reflect its function.