Table C-17 The table below shows the difference in API for miscellaneous services.
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µC/OS-II (os_core.c) | µC/OS-III (os_core.c) | Note |
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INT8U |
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OS_OBJ_QTY
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OS_PEND_DATA *p_pend_data_tbl,
OS_OBJ_QTY tbl_size,
OS_TICK timeout,
OS_OPT opt,
OS_ERR *p_err);
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OS_TICK dflt_time_quanta, |
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OSVersion(void) | CPU_INT16U |
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Table C-17 Miscellaneous API
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(1) Objects in µC/OS-III are named when they are created and these functions are not required in µC/OS-III. |
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(2) Multipend no longer exist in µC/OS-III |
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(3) µC/OS-III returns an error code for this function. Initialization is successful if OS_ERR_NONE is received from OSInit(). In µC/OS-II, there is no way of detecting an error in the configuration that caused OSInit() to fail. |
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(4) An error code is returned in µC/OS-III for this function. |
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(5) Enable or disable µC/OS-III’s round-robin scheduling at run time, as well as change the default time quanta. |
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(6) A task that completes its work before its time quanta expires may yield the CPU to another task at the same priority. |
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(7) An error code is returned in µC/OS-III for this function. |
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(8) Note the change in name for the function that computes the “capacity” of the CPU for the purpose of computing CPU usage at run-time. |
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(9) An error code is returned in µC/OS-III for this function. |