GPSD测试

1 install gpsd and gpsd-client. (Ubuntu: apt-get gpsd; apt-get gpsd-client. Or download gpsd and gpsd-client rpm, then install them)

2 configure serial port or usb port , and confirm the port path (for example: /dev/ttyS0); then connect to gps module

3 use command below to test if the serial port can receive data from GPS module.

stty -F /dev/ttyXXX ispeed 4800 && cat 

4 Start gpsd: 

gpsd -D 5 -N -n /dev/ttyUSB0

5 Start the xgps or cgps client.

references: file:///E:/NEU/lab/VOTERS/GPSD/GPSD%20Installation%20Instructions.htm