借助RTOS支持而不是单一顺序方案开展多任务方案有什么好处?
Are there any disadvantages?
除打断处理外,在连续或“大-通”方案中,在“周围”方案时处理事件,周期时间可能是非决定性的,随着职能增加、取消和改变,可能有所不同。 因此,你的系统业绩和反应能力取决于你对《守则》所作的每一项修改,与最终失败的职能无关的变化可能会影响到达到时限的行为和能力。
通过采用预先防范性的优先安排,RTOS可以决定性地应对事件,因此,一项任务处理时间的变化不必影响其他优先工作。
除了确定性反应之外,将功能分离到执行线的能力使得每个线上都变得更简单,而且不太依赖。 你们没有处理所有问题的“大 lo”,而是有许多独立的专家休息室,更容易测试和发展,更便于添加、删除和重新使用,以改变你的系统的行为和功能。
实时操作系统的主要目标是为纸浆级业务提供有约束的反应时间,并提供实时时间安排政策。 它完全与顺序和平行方案有关。
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