386ex cpu of intel is the core of the hardware and vxworks of windriver is the core of the software . 1553b bus is the external interface in this computer 本系统的硬件部分以386excpu为核心,以1553b总线为外部接口;软件部分以vxworks实时多任务操作系统为平台。
Meanwhile , according to the process of real - time multitask design , data flow diagram ( dfd ) of ert software is constructed and application software is developed by the dfd 软件设计采用结构化方法,按照实时多任务设计流程,完成系统数据流图和应用软件的设计。
It also describes how to utilize the real - time and multi - task characteristics of windows nt to ensure the axis control ? real - time response capability during the implementation 详细说明了在它们实现的过程中如何利用windowsnt的实时多任务特性来确保轴控制的实时响应能力。
The multitasking of rtos not only meets the real time requirement of the embedded system but also simplifies the design process and makes it easier to expand the system 实时操作系统的实时多任务机制不仅能使应用系统满足实时性要求,而且简化了系统的开发设计过程,方便了系统扩展。
Moreover , qnx delivers these capabilities with a posix - standard api . firstly , this thesis describes the philosophy of qnx and the architecture used to robustly implement the os 为了使测试系统软件具有较高的实时性和可靠性,在测试系统的软件设计上,采用了实时多任务操作系统qnx 。