航空通信设备ARINC429总线多协议处理设计与实现

Design and Implementation of Multiple protocol processing for ARINC429 Bus in the aviation communication equipment

根据ARINC429航空总线工业标准,按照ARINC429总线的电气特性要求,采用FPGA+DSP的架构实现多种ARINC429协议处理。FPGA结合外围芯片实现ARINC429总线底层数据收发功能,DSP实现ARINC429总线AIM、BOP3协议解析功能。该实现具有设计简单灵活,应用场景广,具备一定抗干扰能力等特点。该设计已应用于采用ARINC429总线的航空通信设备。

According to the ARINC429 aviation bus industry standards, in accordance with the requirements for the ARINC429 bus electrical characteristics, FPGA＋DSP architecture was adopted to realize a variety of protocol processing. FPGA combined with peripheral chips to realize the function of underlying data transceiver for ARINC429 bus, DSP to realize the function of AIM and BOP3 protocol parsing for ARINC429 bus. This implementation is simple in design, flexible application scenario is wide, have a certain anti-interference ability, etc. This design has been applied in the aviation ARINC429 bus communication equipment.