船电技术
船電技術
선전기술
2011年
12期
32-34
,共3页
51单片机%SJA1000%CAN总线%RS-422串口通信
51單片機%SJA1000%CAN總線%RS-422串口通信
51단편궤%SJA1000%CAN총선%RS-422천구통신
51 microchip%SJA1000%CAN bus%RS-422 serial communication
针对舰船设备间通信,设计一种以51单片机为核心的CAN总线和RS-422串口的适配卡。对比分析了CAN总线和RS-422串口的通信特点,介绍了板卡硬件电路设计,并对软件的设计思路与流程做了详尽描述,并附相关代码。系统可靠性高,实时性好。
針對艦船設備間通信,設計一種以51單片機為覈心的CAN總線和RS-422串口的適配卡。對比分析瞭CAN總線和RS-422串口的通信特點,介紹瞭闆卡硬件電路設計,併對軟件的設計思路與流程做瞭詳儘描述,併附相關代碼。繫統可靠性高,實時性好。
침대함선설비간통신,설계일충이51단편궤위핵심적CAN총선화RS-422천구적괄배잡。대비분석료CAN총선화RS-422천구적통신특점,개소료판잡경건전로설계,병대연건적설계사로여류정주료상진묘술,병부상관대마。계통가고성고,실시성호。
The adapter board for CAN bus and serial port based on the controller of 51 microchip is designed for communication between ship equipments. CAN bus and RS-422’s specialty is analyzed and compared, the design of hardware circuit is described, and the flow and design concept of program is described as well,also giving related code. The adapter board has a high reliability and a fine real time performance.
