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70 lines
2.1 KiB
70 lines
2.1 KiB
#! /usr/bin/env python3
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"""
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example Python gpsd client
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run this way: python3 example1.py.txt
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"""
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# from https://gpsd.gitlab.io/gpsd/gpsd-client-example-code.html
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# this client is for the CubeSatSim Lite which does not have a Pico microcontroller
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import gps # the gpsd interface module
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import time
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try:
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mode = -1
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lat = 0
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lon = 0
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alt = 0
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session = gps.gps(mode=gps.WATCH_ENABLE)
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start = time.perf_counter()
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try:
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while (session.read() == 0) and ((time.perf_counter() - start) < 2) and (mode < 2):
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# print(gps.MODE_SET)
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# print(session.valid)
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if (session.valid):
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# not useful, probably not a TPV message
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# continue
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# print('Mode: %s(%d) Time: ' %
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# (("Invalid", "NO_FIX", "2D", "3D")[session.fix.mode],
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# session.fix.mode), end="")
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# print time, if we have it
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print("%d " % session.fix.mode, end="")
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if (session.fix.mode > mode):
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mode = session.fix.mode
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# if gps.TIME_SET & session.valid:
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# print(session.fix.time, end="")
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# else:
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# print('n/a', end="")
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if gps.isfinite(session.fix.latitude):
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lat = session.fix.latitude
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if gps.isfinite(session.fix.longitude):
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lon = session.fix.longitude
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if gps.isfinite(session.fix.altitude):
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alt = session.fix.altitude
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print("%.6f %.6f %.6f" %
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(session.fix.latitude, session.fix.longitude, session.fix.altitude))
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# else:
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# print(" 0 0 0")
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except KeyboardInterrupt:
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# got a ^C. Say bye, bye
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print('')
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# Got ^C, or fell out of the loop. Cleanup, and leave.
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session.close()
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print("%d %.6f %.6f %.1f" % (mode, lat, lon, alt))
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exit(0)
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except:
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print("-1 0 0 0")
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exit(0)
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