这是在Keil中编写的C程序，实现了通信协议中的CRC32与CRC16校验，采用驱动表法，算法精炼，程序简洁。-This is written in the C program in Keil, the communications protocol to achieve the CRC32 and CRC16 checksum, using table-driven method, algorithm refined, simple procedures.

通过无线模块接收GPS压缩数据，并进行校验和错误恢复，恢复算法采用位判别，三中取二。-GPS compressed data received through the wireless module and the checksum error recovery, the recovery algorithm uses a bit discriminant of three samples.