摘要
某综合测试系统是针对某测试而专门设计的,系统中飞控计算机流入或流出的串行数字信号主要是RS232/422形式,其中RS232接口4路、422接口16路。选用卡上带有CPU的智能串口卡来扩展串口。智能串口卡的优点是在收发数据时可以大大节省主处理的时间。此外,为了提高在Windows操作系统下数据采集与信号模拟的实时性,采用美国Ardence公司的RTX产品,其在Windows平台上提供了一个实时子系统。而RTX下串口卡的驱动需要重新开发。
A certain integration test system is design to a certain testing. The form of I/O serial digital signal of flight control calculator is RS232/422.4 route for RS232 and 16 route for RS422. The intelligent serial-port card with CPU is selected on it. With the intelligent card the use of CPU on processing can economize. Furthermore, the production of Ardence Inc. -RTX is adopted, so the reality of data collection and signal simulate under Windows OS can advance. The RTX supply a real time sub system for the platform of Windows. However the driver of this card must be rebuild.
出处
《科学技术与工程》
2007年第5期761-764,共4页
Science Technology and Engineering
关键词
驱动
实时
智能串口卡
串口通信
driver real time intelligent serialport card Serial communincation
