说明：  基于STM32的GPS时钟同步程序，从时钟同步设备获取GPS的IRIGB时钟码，然后通过STM32给微机设备进行时钟同步。
(GPS clock synchronization based on STM32 program, From the clock synchronization device to get the IRIGB GPS clock code, and then through the STM32 to the computer equipment for the clock synchronization.)