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Software/Python/grove_gps/grove_gps_hardware_test.py

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+#!/usr/bin/env python
+########################################################################                                                                  
+# This example is for is the simplest GPS Script.  It reads the
+# raw output of the GPS sensor on the GoPiGo or GrovePi and prints it.  
+#
+# GPS SENSOR GOES INTO RPISER PORT
+#
+#####################################################
+#
+# http://www.dexterindustries.com/GoPiGo/ 
+# http://www.dexterindustries.com/GrovePi/                                                                
+# History
+# ------------------------------------------------
+# Author     Date      		Comments
+# John      2/25/2015		Initial Authoring
+# John      6/17/2016		Add some comments.
+# 			                                                         
+# These files have been made available online through a Creative Commons Attribution-ShareAlike 3.0  license.
+# (http://creativecommons.org/licenses/by-sa/3.0/)           
+#
+########################################################################
+
+import serial, time
+import smbus
+import math
+import RPi.GPIO as GPIO
+import struct
+import sys
+import ir_receiver_check
+
+if ir_receiver_check.check_ir():
+	print("Disable IR receiver before continuing")
+	exit()
+
+ser = serial.Serial('/dev/ttyAMA0',  9600, timeout = 0)	#Open the serial port at 9600 baud
+ser.flush()
+
+def readlineCR():
+    rv = ""
+    while True:
+        time.sleep(0.01)	# This is the critical part.  A small pause 
+        					# works really well here.
+        ch = ser.read()        
+        rv += ch
+        if ch=='\r' or ch=='':
+            return rv
+
+while True:
+	#readlineCR()
+	x=readlineCR()
+	print(x)
+	
+########################################################################
+#
+#	The output should look like something below.
+#
+#
+########################################################################
+'''
+$GPGGA,001929.799,,,,,0,0,,,M,,M,,*4C
+$GPGSA,A,1,,,,,,,,,,,,,,,*1E
+$GPGSV,1,1,00*79
+$GPRMC,001929.799,V,,,,,0.00,0.00,060180,,,N*46
+$GPGGA,001930.799,,,,,0,0,,,M,,M,,*44
+$GPGSA,A,1,,,,,,,,,,,,,,,*1E
+$GPGSV,1,1,00*79
+$GPRMC,001930.799,V,,,,,0.00,0.00,060180,,,N*4E
+$GPGGA,001931.799,,,,,0,0,,,M,,M,,*45
+$GPGSA,A,1,,,,,,,,,,,,,,,*1E
+$GPGSV,1,1,00*79
+$GPRMC,001931.799,V,,,,,0.00,0.00,060180,,,N*4F
+$GPGGA,001932.799,,,,,0,0,,,M,,M,,*46
+$GPGSA,A,1,,,,,,,,,,,,,,,*1E
+$GPGSV,1,1,00*79
+$GPRMC,001932.799,V,,,,,0.00,0.00,060180,,,N*4C
+$GPGGA,001933.799,,,,,0,0,,,M,,M,,*47
+$GPGSA,A,1,,,,,,,,,,,,,,,*1E
+$GPGSV,1,1,00*79
+$GPRMC,001933.799,V,,,,,0.00,0.00,060180,,,N*4D
+$GPGGA,001934.799,,,,,0,0,,,M,,M,,*40
+$GPGSA,A,1,,,,,,,,,,,,,,,*1E
+$GPGSV,1,1,00*79
+$GPRMC,001934.799,V,,,,,0.00,0.00,060180,,,N*4A
+$GPGGA,001935.799,,,,,0,0,,,M,,M,,*41
+'''