Initial commit, basic structure

gsc.py

@@ -0,0 +1,128 @@
+#!/usr/bin/python2
+#
+# The gsp speed calculator [gsc.py] uses the csv reader to fix nmea strings
+#
+import csv
+
+class GPRMC(object):
+    ''' Data object to temporary store the nmea string. 
+
+	Explenation of the GPRMC NMEA Data string:
+	$GPRMC,220516,A,5133.82,N,00042.24,W,173.8,231.8,130694,004.2,W*70
+    	      1   2    3    4   5      6    7    8    9     10    11 12
+	1   220516     Time Stamp
+	2   A          validity - A-ok, V-invalid
+	3   5133.82    current Latitude
+	4   N          North/South
+	5   00042.24   current Longitude
+	6   W          East/West
+	7   173.8      Speed in knots
+	8   231.8      True course
+	9   130694     Date Stamp
+	10  004.2      Variation
+	11  W          East/West
+	12  *70        checksum
+    '''
+    
+    # Object Fields
+    TIME    = 0 # Timestamp
+    VAL     = ''# Validity 
+    LAT     = 0 # Current latitude
+    LAT_NS  = ''# Direciton of latitude [N or S]
+    LON     = 0 # Current longitude
+    LON_EW  = ''# Direction of longitude [E or W]
+    SPEED   = 0 # Current speed
+    COURSE  = 0 # Current course
+    DATE    = 0 # Datestamp
+    VAR     = 0 # Variation
+    VAR_EW  = 0 # Direction of the Variation [E or W]
+    CHECK   = 0 # Checksum
+
+    # Get/Set functions 
+    def setTime(self, time):
+        self.TIME = time
+    def getTime(self):
+        return self.TIME
+
+    def setValidity(self, val):
+        self.VAL = val
+    def getValidity(self):
+        return self.VAL
+
+    def setLatitude(self, lat):
+        self.LAT = lat
+    def getLatitude(self):
+        return self.LAT
+
+    def setDirectionOfLatitude(self, latns):
+        self.LAT_NS = latns
+    def getDirectionOfLatitude(self):
+        return self.LAT_NS
+
+    def setLongitude(self, lon):
+        self.LON = lon
+    def getLongitude(self):
+        return self.LON
+
+    def setDirectionOfLongitude(self, lonew):
+        self.LON_EW = lonew
+    def getDirectionOfLongitude(self):
+        return self.LON_EW
+
+    def setSpeed(self, speed):
+        self.SPEED = speed
+    def getSpeed(self):
+        return self.SPEED
+
+    def setCourse(self, course):
+        self.COURSE = course
+    def getCourse(self):
+        return self.COURSE
+
+    def setDate(self, date):
+        self.DATE = date
+    def getDate(self):
+        return self.DATE
+
+    def setVariation(self, var):
+        self.VAR = var
+    def getVariation(self):
+        return self.VAR
+
+    def setDirectionOfVariation(self, varew):
+        self.VAR_EW = varew
+    def getDirectionOfVariation(self):
+        return self.VAR_EW
+
+    def setChecksum(self, checksum):
+        self.CHECK = checksum
+    def getChecksum(self):
+        return self.CHECK
+
+    # Helper functions
+    def parseGPRMC(self, gprmc):
+        ''' Parses a gprmc string an sets the objects values accordingly.'''
+
+    def generateGPRMC(self):
+        ''' Generate the objects gprmc sentence. '''
+        return gprmc
+
+if __name__ == "__main__":
+    try:
+	Testfile="/home/aaron/GPS_ZUGKRAFTMESSUNG/20140910_Guellen/GPS_Guellen.txt"
+	sentences = csv.reader(open(Testfile, 'r'))
+	
+	# for each line in the file
+	for line in sentences:
+		# if the line isn't empty and begins with '$GPRMC' 
+    		if line and line[0].strip() == '$GPRMC':
+        		for word in line:
+        			print word
+        		print "_____________________"
+
+    except Exception as e:
+        print e
+    finally:
+        print "[DEBUG]: Cleanup done, exiting."
+
+