基于RTX实时系统ARINC429总线通信驱动开发

Development of ARINC429 Bus Driver Based on RTX

摘要:

某型导弹模拟器采用ARINC429总线通信,根据通信协议的实时性要求,通信板卡需要运行在实时环境中,因此设计并实现基于RTX实时环境下PCI插槽的ARINC429总线驱动;在简要介绍ARINC429通信板卡和RTX实时子系统的基础上,将硬件板卡从Windows环境下转换到RTX环境,详细介绍了驱动系统结构以及标准驱动的实现步骤和关键技术,并通过实验测试证明,该驱动程序能够准确可靠实现总线数据的接收和发送,且实时性良好。

Abstract:

A missile simulator uses ARINC429 bus to communicate. Due to the requirement of real-time, the communication card should run in real-time environment. As a result of that, the ARINC429 driver based on PCI slot in RTX is designed and implemented. After the brief introduction of ARINC429 card and the RTX subsystem, the card is switched from Windows to RTX, and then it introduces the architecture of driver system and the development process. Experiments prove that the driver makes the communication precisely and reliably and does well in real-time.