gps1_5.c begins by opening a file gpsData.txt which will save all GPS message strings in ASCII. Next, the serial port is opened using a function prototype comm_setting() which invokes functions found in the IBMCOM library. A while loop is entere

gps的ca码生成程序 还有捕获跟踪的程序，十分完整。-gps ca code generation process as well as the acquisition and tracking procedures, very complete.