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* Description: This function is used to obtain the name assigned to a semaphore, mutex, mailbox or queue.* Arguments : pevent is a pointer t...

* Description: This function waits for multiple events. * pend call, then all available events are returned as ready. * multiple events, the...

OSTCBCur->OSTCBStat |= events_stat | /* Resource not available, ...if (pevent != (OS_EVENT *)0) { /* If task event ptr != NULL, ...*pevents_...

* creating any uC/OS-II object and, prior to calling OSStart().OSInitHookEnd(); /* Call port specific init.

* service routine (ISR). * only perform rescheduling at the last nested ISR.该功能用来通知uc/os-II，正在进行一个中断服务。* OSIntNesting has been declared 'glo...

优先级翻转是当一个高优先级任务通过信号量机制访问共享资源时，该信号量已被一低优先级任务占有，因此造成高优先级任务被许多具有较低优先级任务阻塞，实时性难以得到保证。某一共享资源S。（A和C需要使用共享资源S，B不需要。）在使用中，任务A等待事件到来，任务A转为就绪态，因为它比任务C...

调度器上锁函数OSSchedlock()的功能是用于禁止任务调度，使任务保持对CPU的控制权。调度器开锁函数OSSchedUnlock()的功能是解除对任务调度的禁止。  OSSchedlock()和OSSchedUnlock()必须成对使用。 调度器解锁包括两层含义：第一个是没...

本篇介绍的是OSStart（）函数和OSStatInit（）函数和OSTimeTick（）函数。* task that you have created. * and you MUST have created at least one task.* 该功能用来开始多任务进程，使...

* Description: This function is used to return the version number of uC/OS-II. * corresponds to uC/OS-II's version number multiplied by 100....