37 lines
1,021 B
Python
37 lines
1,021 B
Python
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from ipyleaflet import Map, Marker
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import pynmea2
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import serial
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import io
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ser = serial.Serial('/dev/ttyS1', 9600, timeout=5.0)
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sio = io.TextIOWrapper(io.BufferedRWPair(ser, ser))
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last_time=00
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def check_last_update(time,last_time):
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if nmea==last_nmea:
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return False
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else:
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return True
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while 1:
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try:
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line = sio.readline()
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msg = pynmea2.parse(line)
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except serial.SerialException as e:
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print('Device error: {}'.format(e))
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break
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except pynmea2.ParseError as e:
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print('Parse error: {}'.format(e))
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continue
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else:
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if check_last_update(time=msg.timestamp,last_time=last_time)==True:
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if last_time==00:
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m = Map(center=msg.latitude, msg.longitude, zoom=15)
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marker = Marker(location=center, draggable=False)
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m.add_layer(marker);
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display(m)
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else:
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marker.location=(msg.latitude, msg.longitude)
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last_time=msg.timestamp
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