update gps hk parsing

pus_tm/devs/gps.py

@@ -1,6 +1,4 @@
-import os
 import struct
-from datetime import datetime
 
 from pus_tm.defs import PrintWrapper
 from tmtccmd.utility.tmtc_printer import FsfwTmTcPrinter
@@ -9,51 +7,31 @@ from tmtccmd.utility.tmtc_printer import FsfwTmTcPrinter
 def handle_gps_data(printer: FsfwTmTcPrinter, hk_data: bytes):
     pw = PrintWrapper(printer)
     pw.dlog(f"Received GPS data, HK data length {len(hk_data)}")
-    var_index = 0
-    header_list = [
-        "Latitude",
-        "Longitude",
-        "Altitude",
-        "Fix Mode",
-        "Sats in Use",
-        "Date",
-        "Unix Seconds",
-    ]
-    latitude = struct.unpack("!d", hk_data[0:8])[0]
-    longitude = struct.unpack("!d", hk_data[8:16])[0]
-    altitude = struct.unpack("!d", hk_data[16:24])[0]
-    fix_mode = hk_data[24]
-    sat_in_use = hk_data[25]
-    year = struct.unpack("!H", hk_data[26:28])[0]
-    month = hk_data[28]
-    day = hk_data[29]
-    hours = hk_data[30]
-    minutes = hk_data[31]
-    seconds = hk_data[32]
+    current_idx = 0
+    fmt_str = "!ddddBBBHBBBBBI"
+    inc_len = struct.calcsize(fmt_str)
+    (
+        lat,
+        long,
+        alt,
+        speed,
+        fix,
+        sats_in_use,
+        sats_in_view,
+        year,
+        month,
+        day,
+        hours,
+        minutes,
+        seconds,
+        unix_seconds
+    ) = struct.unpack(fmt_str, hk_data[current_idx: current_idx + inc_len])
+    current_idx += inc_len
     date_string = f"{day}.{month}.{year} {hours}:{minutes}:{seconds}"
-    unix_seconds = struct.unpack("!I", hk_data[33:37])[0]
-    content_list = [
-        latitude,
-        longitude,
-        altitude,
-        fix_mode,
-        sat_in_use,
-        date_string,
-        unix_seconds,
-    ]
-    var_index += 13
-    if not os.path.isfile("gps_log.txt"):
-        with open("gps_log.txt", "w") as gps_file:
-            gps_file.write(
-                "Time, Latitude [deg], Longitude [deg], Altitude [m], Fix Mode, Sats in Use, "
-                "Date, Unix Seconds\n"
-            )
-    with open("gps_log.txt", "a") as gps_file:
-        gps_file.write(
-            f"{datetime.now()}, {latitude}, {longitude}, {altitude}, "
-            f"{fix_mode}, {sat_in_use}, {date_string}, {unix_seconds}\n"
-        )
-    validity_buffer = hk_data[37:39]
-    pw.dlog(str(header_list))
-    pw.dlog(str(content_list))
-    printer.print_validity_buffer(validity_buffer=validity_buffer, num_vars=10)
+    pw.dlog(f"Lat: {lat} deg")
+    pw.dlog(f"Long: {long} deg")
+    pw.dlog(f"Altitude: {alt} m | Speed: {speed} m/s")
+    pw.dlog(f"Fix Type: {fix} | Sats in View {sats_in_view} | Sats in Use {sats_in_use}")
+    pw.dlog(f"GNSS Date: {date_string}")
+    pw.dlog(f"Unix seconds {unix_seconds}")
+    printer.print_validity_buffer(validity_buffer=hk_data[current_idx:], num_vars=14)