Quartus II工程压缩文件，是一个典型的基于FPGA的计价器工程项目，有有限状态机、50MHz分频、计数、译码、动态扫描等模块。-Quartus II project files, is a typical FPGA-based project of the meter, there are finite state machine, 50MHz frequency, counting, decoding, dynamic scanning module.