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ARINC661规范定义了座舱显控终端CDS(Cockpit Display System)与用户应用(User Application)之间的接口。规范中定义的UA是通过发送指令驱动CDS进行画面显示,用以校验CDS的正确性。对CDS与UA之间的通讯机制进行了研究,进而提出UA软件的设计框架,研究机载传感器数据与逻辑数据配置对CDS的显示控制,最后给出一个测试示例。示例表明,研究的UA软件是合理可行的,可以实现对CDS的驱动。
The ARINC661 specification defines the interface between the Cockpit Display System (CDS) and the User Application. The UA defined in the specification is used to display the CDS by sending a command to verify the correctness of the CDS. The communication mechanism between CDS and UA is studied, and then the design framework of UA software is put forward. The display control of CDS by airborne sensor data and logical data configuration is studied. Finally, a test example is given. The examples show that the UA software under study is reasonable and feasible and can drive CDS.