#!/usr/bin/python

#GPS
#Read NMEA messages

import serial
import sys

#Daisy-7 on FOX.D6 or TERRA.D10
serialdevice = "/dev/ttyS4"

#Open the serial port 
ser = serial.Serial(
	port=serialdevice, 
	baudrate=115200, 
	timeout=1,
	parity=serial.PARITY_NONE,
	stopbits=serial.STOPBITS_ONE,
	bytesize=serial.EIGHTBITS
)  
ser.flushInput()

print "NMEA messages received from GPS chip (type Ctrl-C to exit)"

linecounter=1
while True:
	NMEA_line = ser.readline()
	print "%d: [%s]" % (linecounter,NMEA_line.replace("\r\n",""))
	linecounter+=1