According to the application software requirements, all the tasks are established based on Small RTOS51.And the attempter relation and flow chart of each task are recommended in detail.

• 分析了系统应用软件需求，给出了基于Small RTOS51嵌入式操作系统任务创建方法，以及任务调度关系，详细介绍了各任务执行流程图。