范文编号:ZD1222 范文字数:19743,页数:50 摘要
Title Taximeter Abstract In this paper, a taximeter based on a processor AT89C51 is reported. This taximeter have many functions such as single, back and forth, wait, day and night cost. And it has display function, type invoice function, step for avoiding practice fraud. In this paper, a full description of hardware disposal, characterize, plan of software is described in detail. In this paper,three programs are enumerated,hardware include metric module,display module,print module,avoiding practice fraud module;plan of software adopt assembler,every procedure solidifys in EEPROM in processor AT89C51.it includes main procedure and several filial procedures,the function of main procedure is taking charge of managing and transferring filial procedures that includes keyboard scan,metric peocedure,calendar clock procedure and display procedure.Based on analyzing function of every processor in taximeter total plan is analysed.
目录 第一章 前言 1 多功能出租车计价器相关范文 |
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