60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
import os
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import struct
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from datetime import datetime
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from pus_tm.defs import PrintWrapper
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from tmtccmd.utility.tmtc_printer import FsfwTmTcPrinter
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def handle_gps_data(printer: FsfwTmTcPrinter, hk_data: bytes):
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pw = PrintWrapper(printer)
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pw.dlog(f"Received GPS data, HK data length {len(hk_data)}")
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var_index = 0
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header_list = [
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"Latitude",
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"Longitude",
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"Altitude",
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"Fix Mode",
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"Sats in Use",
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"Date",
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"Unix Seconds",
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]
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latitude = struct.unpack("!d", hk_data[0:8])[0]
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longitude = struct.unpack("!d", hk_data[8:16])[0]
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altitude = struct.unpack("!d", hk_data[16:24])[0]
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fix_mode = hk_data[24]
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sat_in_use = hk_data[25]
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year = struct.unpack("!H", hk_data[26:28])[0]
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month = hk_data[28]
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day = hk_data[29]
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hours = hk_data[30]
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minutes = hk_data[31]
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seconds = hk_data[32]
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date_string = f"{day}.{month}.{year} {hours}:{minutes}:{seconds}"
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unix_seconds = struct.unpack("!I", hk_data[33:37])[0]
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content_list = [
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latitude,
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longitude,
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altitude,
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fix_mode,
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sat_in_use,
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date_string,
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unix_seconds,
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]
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var_index += 13
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if not os.path.isfile("gps_log.txt"):
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with open("gps_log.txt", "w") as gps_file:
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gps_file.write(
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"Time, Latitude [deg], Longitude [deg], Altitude [m], Fix Mode, Sats in Use, "
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"Date, Unix Seconds\n"
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)
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with open("gps_log.txt", "a") as gps_file:
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gps_file.write(
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f"{datetime.now()}, {latitude}, {longitude}, {altitude}, "
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f"{fix_mode}, {sat_in_use}, {date_string}, {unix_seconds}\n"
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)
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validity_buffer = hk_data[37:39]
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pw.dlog(str(header_list))
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pw.dlog(str(content_list))
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printer.print_validity_buffer(validity_buffer=validity_buffer, num_vars=10)
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