SPI-CAN新型现场总线的道路交通状态传输系统  

Road Traffic State Transmission System Based on New Field Bus SPI-CAN

作　　者：李思军 孙旭飞[1] 陈晶 Li Sijun;Sun Xufei;Chen Jing(School of Physics and Information Engineering,Fuzhou University,Fuzhou 350100,China)

机构地区：[1]福州大学物理与信息工程学院,福州350100

出　　处：《单片机与嵌入式系统应用》2019年第1期81-85,共5页Microcontrollers & Embedded Systems

摘　　要：针对现阶段多数道路交通信号机采用RS485总线传输交通状态的现状,提出一种基于SPI-CAN新型现场总线的道路交通状态传输系统,并详细介绍了系统的硬件结构、关键软件驱动,最终通过实际搭建实验环境验证了系统的可行性和可靠性。Aiming at the current situation that most road traffic signals use RS485bus to transmit traffic status,a road traffic state transmission system based on SPI-CAN new field bus is proposed.The hardware structure and key software drivers of the system are introduced in detail.The experiment environment verifies the feasibility and reliability of the system.

关 键 词：交通状态 现场总线 SPI STM32 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]