Esempio n. 1
0
def getGpsData():
    '''Writes latest gps string to the file
    
    '''
    appId = "A"         #A = GPS tracker
    messageId = "A"     # A = GPS data, B = storing GPS data
    Imei = "000000000000000"    #IMEI 15 chars
    GpsFix ="0"     #A=DataValid,B=invalid,X=GPSnotworkin,M = Masked
    GpsTime = "000000"  #hhmmss, use GPRMC
    GpsDate = "000000"  #ddmmyy, use GPRMC
    Lati = "0000.0000"  #ddmm.mmmm, use GGA
    NorthSouth = "0"    #N or S, use GGA
    Longi = "0000.0000" #ddmm.mmmm, use GGA
    EastWest = "0"      #E or W, use GGA
    Sog = "000000"      #speed over ground, use GPVTG
    Cog = "000000"      #course over ground, use GPVTG
    Sats = "00"       #no of satellites, use GPGGA
    Hdop = "0000"     #Horizontal dilution of precision, use GPGGA
    StrengthQual = "0000"   #signal strength and qual. of gprs
    CrLf = '\n'+'\t'
    gpgga = nmea.GPGGA()
    gpgll = nmea.GPGLL()
    gpvtg = nmea.GPVTG()
    gprmc = nmea.GPRMC()
    ser = serial.Serial('/dev/ttyAMA0',9600)    #gpio serial line, baud
    #camera = picamera.PiCamera()
    for i in range(10):
       data = ser.readline()
       if data.startswith('$GPGGA'):
           gpgga.parse(data)           #ref nmea
           Lati = gpgga.latitude
           Longi = gpgga.longitude
           Sats = gpgga.num_sats
           GpsFix = gpgga.timestamp
           NorthSouth = gpgga.lat_direction
           EastWest = gpgga.lon_direction
           Sats = gpgga.num_sats
           Hdop = gpgga.horizontal_dil
       	   print "gpgga", Lati, Longi, Sats, GpsFix, Hdop
       if data.startswith('$GPGLL'):
           gpgll.parse(data)
           klist = data.split(",")
           GpsFix = klist[6]
           print "gpgll", GpsFix
       if data.startswith('$GPVTG'):
           gpvtg.parse(data)
           Cog = gpvtg.true_track      
           Sog = gpvtg.spd_over_grnd_kts
           print "gpvtg", Cog, Sog
       if data.startswith('$GPRMC'):
           gprmc.parse(data)
           GpsDate = gprmc.datestamp
           GpsTime = gprmc.timestamp
       print "gprmc", GpsTime, GpsDate
    msgString = appId + messageId + Imei + GpsFix + GpsTime + \
           GpsDate + Lati + NorthSouth + Longi + EastWest + \
           Sog + Cog + Sats + Hdop + StrengthQual + PowerMode + \
           BatLevel + AiVal + AiVal2 + DiStat
#msgString += str(datetime.datetime.now())     #testing
    msgString += CrLf
    gStringName = "/home/pi/txt/"+GpsDate+GpsTime+".txt"
    msgF = open(gStringName, 'w')
    print msgString
    msgF.write(msgString)
    #To do; check write error; and then write a msg to log file
    msgF.close()
    camera = picamera.PiCamera()
    try:
       camera.resolution=(1024, 768)
       time.sleep(2)
       picName = "/home/pi/pic/"+GpsDate+GpsTime+".jpg"
       camera.capture(picName)
Esempio n. 2
0
def getGpsData():
    '''Writes latest gps string to the file'''
    appId = "A"  #A = GPS tracker
    messageId = "A"  # A = GPS data, B = storing GPS data
    Imei = "355435047096119"  #IMEI 15 chars
    GpsFix = "0"  #A=DataValid,B=invalid,X=GPSnotworkin,M = Masked
    GpsTime = "000000"  #hhmmss, use GPRMC
    GpsDate = "000000"  #ddmmyy, use GPRMC
    Lati = "0000.0000"  #ddmm.mmmm, use GGA
    NorthSouth = "0"  #N or S, use GGA
    Longi = "0000.0000"  #ddmm.mmmm, use GGA
    EastWest = "0"  #E or W, use GGA
    Sog = "000000"  #speed over ground, use GPVTG
    Cog = "000000"  #course over ground, use GPVTG
    Sats = "00"  #no of satellites, use GPGGA
    Hdop = "0000"  #Horizontal dilution of precision, use GPGGA
    StrengthQual = "0000"  #signal strength and qual. of gprs
    PowerMode = "0"  #
    BatLevel = "000"
    AiVal = "0000"
    AiVal2 = "0000"
    #DailyDist = ""
    #OdoDist = ""
    DiStat = "0000"
    CrLf = '\n' + '\t'
    gpgga = nmea.GPGGA()
    gpgll = nmea.GPGLL()
    gpvtg = nmea.GPVTG()
    gprmc = nmea.GPRMC()
    ser = serial.Serial(serial_port, baudrate, timeout=5)
    #camera = picamera.PiCamera()
    for i in range(10):
        try:
            data = ser.readline()
        except serial.serialutil.SerialException:
            pass
        if data.startswith('$GPGGA'):
            gpgga.parse(data)  #ref nmea
            Lati = gpgga.latitude
            Longi = gpgga.longitude
            Sats = gpgga.num_sats
            GpsFix = gpgga.timestamp
            NorthSouth = gpgga.lat_direction
            EastWest = gpgga.lon_direction
            Sats = gpgga.num_sats
            Hdop = gpgga.horizontal_dil
            print "gpgga", Lati, Longi, Sats, GpsFix, Hdop
        elif data.startswith('$GPGLL'):
            gpgll.parse(data)
            klist = data.split(",")
            GpsFix = klist[6]
            print "gpgll", GpsFix
        elif data.startswith('$GPVTG'):
            gpvtg.parse(data)
            Cog = gpvtg.true_track
            Sog = gpvtg.spd_over_grnd_kts
            print "gpvtg", Cog, Sog
        elif data.startswith('$GPRMC'):
            gprmc.parse(data)
            GpsDate = gprmc.datestamp
            GpsTime = gprmc.timestamp
            print "gprmc", GpsTime, GpsDate
    msgString = appId + messageId + Imei + GpsFix + GpsTime + \
       GpsDate + Lati + NorthSouth + Longi + EastWest + \
       Sog + Cog + Sats + Hdop + StrengthQual + PowerMode + \
       BatLevel + AiVal + AiVal2 + DiStat + CrLf
    print >> sys.stderr, msgString
    ser.close()
    #sock=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    #sock.connect(server_addr)
    print >> sys.stderr, 'sending ...'
    try:
        sock.sendall(msgString)
    finally:
        print >> sys.stderr, 'closing socket'
Esempio n. 3
0
import Adafruit_BBIO.UART as UART
import serial
import time
import datetime
from pynmea import nmea

UART.setup("UART2")

ser = serial.Serial(port="/dev/ttyO2", baudrate=9600)
ser.close()
ser.open()
gpgll = nmea.GPGLL()
gprmc = nmea.GPRMC()
gpvtg = nmea.GPVTG()
gpgga = nmea.GPGGA()
gpgsa = nmea.GPGSA()
gpgsv = nmea.GPGSV()
t = 0

if ser.isOpen():
    print "Serial is open!"
    while 1:
        gps = ser.readline()
        if (gps.startswith('$GPGLL')):
            gpgll.parse(gps)
        if (gps.startswith('$GPRMC')):
            gprmc.parse(gps)
            t = t + 1
        if (gps.startswith('$GPVTG')):
            gpvtg.parse(gps)
        if (gps.startswith('$GPGGA')):