GPS.py

#pyserial library is required for working
import serial

mport = 'COM9'                     #choose your com port on which you connected your neo 6m GPS
#mport = "/dev/ttyAMA0"            #for Raspberry Pi pins
#mport = "/dev/ttyUSB0"            #for Raspberry Pi USB


def parseGPS(data):
    if data[0:6] == "$GPGGA":
        s = data.split(",")
        if s[7] == '0' or s[7]=='00':
            print ("no satellite data available")
            return
        time = s[1][0:2] + ":" + s[1][2:4] + ":" + s[1][4:6]
        #print("-----------")
        lat = decode(s[2])
        lon = decode(s[4])
        return  lat,lon
    


def decode(coord):
    l = list(coord)
    for i in range(0,len(l)-1):
            if l[i] == "." :
                    break
    base = l[0:i-2]
    degi = l[i-2:i]
    degd = l[i+1:]
    #print(base,"   ",degi,"   ",degd)
    baseint = int("".join(base))
    degiint = int("".join(degi))
    degdint = float("".join(degd))
    degdint = degdint / (10**len(degd))
    degs = degiint + degdint
    full = float(baseint) + (degs/60)
    #print(full)
    
    return full

ser = serial.Serial(mport,9600,timeout = 2)

while True:
    try:
        dat = ser.readline().decode()
        mylat,mylon = parseGPS(dat)
        print(mylat , "   " , mylon)
    except:
        print("error")