该程序基于VHDL语言，利用EDA为平台来进行出租车计费系统的设计，采用了模块化的设计，带显示功能-The program is based on the VHDL language, the use of EDA as a platform for taxi billing system design, using a modular design, with display function

VHDL简易交通灯程序，数码管显示。没加译码程序。可以行加上-Simple traffic light VHDL program, digital display. Did not increase the decoding process. You can add the line

用led实现16种不同形式的闪速，由vhdl实现-use led to display 16 differce，write in vhdl