| 基于HDLC通信协议的CFSK板替代接口适配设计 |
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| 引用本文： | 程剑锋,陈立,吴琼,赵志鹏.基于HDLC通信协议的CFSK板替代接口适配设计[J].铁路计算机应用,2017,26(3):45-48. |
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| 作者姓名： | 程剑锋 陈立 吴琼 赵志鹏 |
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| 作者单位： | 中国铁道科学研究院 通信信号研究所,北京 100081 |
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| 基金项目： | 中国铁路总公司科技研究开发计划（2015X002-C）；中国铁道科学研究院院基金课题（2014YJ071） |
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| 摘 要： | CTCS3-300H型ATP车载设备安全计算机通过HDLC通信接口与外围子系统进行信息交互，具有成熟稳定的特点。CTCS2-200C型ATP车载设备的CFSK板通信接口为串口RS-422，为了使CTCS2-200C型ATP车载设备的CFSK板在CTCS3-300H型ATP车载设备中实现轨道电路读取功能，需要进行接口适配设计与开发。通过设计轨道电路子系统通信板卡 (简称:TCB板)实现串口RS-422和HDLC通信接口的转换功能，使得CFSK板适配CTCS3-300H型ATP车载设备安全计算机。
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| 关 键 词： | CTCS3-300H CFSK板 HDLC协议 80C152 |
| 收稿时间： | 2016-11-13 |
Interface adaptation for CFSK board based on HDLC protocol |
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| Institution: | Signal and Communication Research Institute, China Academy of Railway Sciences, Beijing 100081, China |
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| Abstract: | CTCS3-300H ATP on-board equipment safety computer exchanges information with peripheral sub-system through HDLC communication interface. It has the characteristics of mature and stable. The RS-422 serial port was used for the CFSK board communication interface of CTCS2-200C ATP on-board equipment. In order to make CFSK board used by CTCS2-200C ATP implement the track circuit reading function in TCS3-300H ATP on-board equipment, it was needed to design and develop the interface adaptation. The communication board of track circuit subsystem was designed to implement the conversion function between RS-422 serial port and HDLC communication interface, make CFSK board adapt to CTCS3-300H ATP on-board equipment safety computer. |
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