可视化智能公交车单片机可视化智能公交车28

摘  要 近年来，射频识别系统在各种行业，特别是车辆监控与定位系统的应用中蓬勃发展。随着经济的持续发展，对公交运输也提出更高的要求。随着我国各大城市公交公司的人员精减，目前各公交公司都在每辆公交车上只配备了一个司机，进行无人售票。为了公交系统的安全考虑，目前迫切需要智能化、自动化的公交语音报站系统。 本次设计的公交车报站器是32位单片机STM32为控制核心，结合射频识别模块，对车辆的运行状态（位置、方向、速度、时间等）进行实时采集，对数据进行分析，当车辆达到预定位置时，通过STM32单片机语音功能进行播报站名、音乐、广告、提示语、时间等信息，并在LED点阵上显示，实现全自动报站功能，当射频信号遇外界影响时，还可通过键盘操作进行手动报站功能。此外，利用SD卡模组存储大量的语音素材，使报站器更人性化。 该报站器不仅可以提供自动报站，而且对公交车的行车安全提供了一定的保障。且不仅可以应用到公交车上，还可以应用到火车及长途汽车上，结合LED点阵进行报站显示，提供车上的宣传用语及车厢广告等文字服务。 关键词：自动报站，射频，STM32单片机   Abstract In recent years, the rfid system in various industries, particularly vehicle monitoring and positioning system application vigorous development. Along with the economic sustainable development of public transport also put forward higher request. With China's cities bus companies, currently the personnel streamline all bus company in every bus was armed only with a driver, for automated. In order to bus system security considerations, there is an urgent need to intelligence, automation bus voice stops system. The design of the bus stops device is a 32-bit SCM STM32 as control core, combining rfid module, and the vehicle running state (position, direction, speed, time, etc) of the real-time data acquisition, data analysis, when the vehicle to achieve the intended location, through STM32 microcontroller speech function of the station broadcasts, music, advertising, clues, time and other information, and to display on of LED dot matrix, which realizes automatic stops function, when in rf signal outside influence, but also by the keyboard operate manually stops function. In addition, using the SD card modules to store huge amounts of speech materials is more humanized stops. The newspaper stand device can not only provide automatic bus stops, and the safety of providing a certain security. And not only can be applied to the bus, also can be used to train and long-distance bus stops, combining of LED dot matrix display, provide the car for the advertising and carriage advertisement characters service.       Keywords:  automatic STM32 microcontroller, rf, stops   目录 摘  要... 1 Abstract 2 一、系统概述... 4 二、系统方案设计... 5 2.1 主控制器模块介绍... 5 2.2 无线RFID语音报站... 11 2.3 LED和图形化显示模块... 20 2.4音频解码 VS1003. 30 2.5数据存储模块... 34 2.6 STM32 USB 原理及接口设计... 36 2.7 对电源电路的设计... 40 三、软件设计... 44 3.1 编程语言的选择... 44 3.2 按键的软件实现... 45 3.3 系统软件工作流程... 46 参考文献... 49 结  束  语... 50 附录一、程序代码... 51 [版权所有：http://think58.com]

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