2、.关键字:交通信号控制机Abstract:Combiningwiththetraffic situationinChina and theactualdemand, trafficsignalcontrolatthetimeof flexible with R&D, toachievetiming controlmethod. Heremainly introduce theconcreterealizationof thetiming signal; system designmainlyaroundth
3、e timing setting expansion. Thispaperpresents theconcreterealization methodoftraffic signalcontrollerbasedonDSP, givesthedetaileddesignofhardwareandsoftware. Firstproposed theoveralldesignofthesystem; andthentothe signal function asthemainlinethe computer
4、realizationmethodof eachfunction, hardware designasthecenter tointroduce thelowerpositionmachine byeachmodule, keyanddifficulty about programming machinegroom number describesthe firmwaredesignof lowercomputer, namelythe DSPprogram; finallyputsforward sett
5、ing with toUdisk filemode, introducesthebasicprocessofU disk andfilesystem identification.Keywords:DSP、Trafficsingnalcontroller目录1系统概述31.1设计目的31.2设计任务32方案论证32.1设计思路32.2设计方案32.3工作状态33硬件设计33.1硬件总体设计33.2交通灯显示模块33.3计数显示模块33.4开关模块34软件设计34.1程序流程34.2交通灯模拟显示34.3定时