kopia lustrzana https://github.com/bristol-seds/pico-tracker
37 wiersze
960 B
Python
37 wiersze
960 B
Python
"""
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Formats ukhas telemetry strings for the pico tracker.
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Expects to be passed a dict, with keys 'time', 'coords',
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'battery', 'solar', 'temperature' and 'satellites'.
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"""
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from datetime import datetime
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import crcmod
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"""
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Builds ukhas string from supplied datum
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"""
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def ukhas_format(datum):
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callsign = "UBSEDS9"
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# Time
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time_str = "{:02}:{:02}:{:02}".format(
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datum['time'].hour, datum['time'].minute, datum['time'].second)
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# Location
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coords = datum['coords']
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location_str = "{:.6f},{:.6f},{}".format(
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coords[0], coords[1], int(round(coords[2])))
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# Everything
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ukhas_str = "{},{},{},{},{},{},{},-1".format(
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callsign, time_str, location_str, datum['satellites'],
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datum['battery'], datum['solar'], datum['temperature']);
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# Checksum
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crc16 = crcmod.mkCrcFun(0x11021, 0xFFFF, False, 0x0000)
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checksum = "{:04X}".format(crc16(ukhas_str))
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return "$${}*{}".format(ukhas_str, checksum)
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