【摘要】 文中介绍在基于ST方案的HDTV机顶盒的软件架构中嵌入式操作系统SILite/OS20的原理、作用及其特点,并根据已开发好的机顶盒应用程序重点阐述任务、信号灯及消息队列的应用。更多还原

【Abstract】 In this paper, the principle, function and characterist of the Embeded Operating System STLite/OS20 applied into the HDTV STB based on ST scheme are introduced, and discussed the application of the Task, Semaphore, Message queue concerning STB software in detail.更多还原