用VC实现的雷击计数器的显示界面，此界面彩串口编程，通过串口采用modbus报文来对雷击计数器进行查询和设置，为了保证传输的准确性，报文的传输采用CRC检验。-With VC lightning counter display interface that color serial programming via the serial port using modbus packets of lightning counter to query and set, in order to ensu

vc模拟实现循环冗余校检编码,本程序为模拟crc-32的校检,(Vc simulation realization of cyclic redundancy check code, the program to simulate CRC check - 32,)