config/definitions.py

@@ -34,8 +34,7 @@ class CustomServiceList(enum.Enum):
     REACTION_WHEEL_4 = "rw-4"
     RW_ASSEMBLY = "rw-ass"
     RAD_SENSOR = "rad_sensor"
-    GPS_0 = "gps0"
+    GPS_CTRL = "gnss-ctrl"
-    GPS_1 = "gps1"
     PLOC_MEMORY_DUMPER = "ploc_memory_dumper"
     CORE = "core"
     STAR_TRACKER = "star_tracker"

pus_tc/cmd_definitions.py

@@ -1,4 +1,4 @@
-from pus_tc.devs.gps import GpsOpCodes
+from pus_tc.devs.gps import OpCodes
 from pus_tc.devs.pcdu import add_pcdu_cmds
 from pus_tc.devs.rad_sensor import add_rad_sens_cmds
 from tmtccmd.config import (
@@ -89,15 +89,6 @@ def add_ccsds_cmds(cmd_dict: ServiceOpCodeDictT):
     cmd_dict[CustomServiceList.CCSDS_HANDLER.value] = service_ccsds_handler_tuple
 
 
-def add_gps_cmds(cmd_dict: ServiceOpCodeDictT):
-    op_code_dict = {
-        GpsOpCodes.RESET_GNSS.value: ("Reset GPS", {OpCodeDictKeys.TIMEOUT: 2.0})
-    }
-    service_tuple = ("GPS 0", op_code_dict)
-    cmd_dict[CustomServiceList.GPS_0.value] = service_tuple
-    cmd_dict[CustomServiceList.GPS_1.value] = service_tuple
-
-
 def add_str_cmds(cmd_dict: ServiceOpCodeDictT):
     op_code_dict_srv_star_tracker = {
         "0": (

pus_tc/devs/gps.py

@@ -1,22 +1,63 @@
 import enum
 
-from tmtccmd.config.definitions import QueueCommands
+from config.definitions import CustomServiceList
+from tmtccmd.config import add_op_code_entry, add_service_op_code_entry
+from tmtccmd.tc.pus_3_fsfw_hk import make_sid, generate_one_hk_command
+from tmtccmd.config.definitions import QueueCommands, ServiceOpCodeDictT
+from tmtccmd.logging import get_console_logger
 from tmtccmd.tc.definitions import TcQueueT
 from tmtccmd.tc.pus_8_funccmd import generate_action_command
 
 
 from config.object_ids import GPS_HANDLER_1_ID, GPS_HANDLER_0_ID
 
+LOGGER = get_console_logger()
 
-class GpsOpCodes(enum.Enum):
+
-    RESET_GNSS = "5"
+class OpCodes:
+    REQ_OS_HK = ["0", "hk-os"]
+    RESET_GNSS = ["5", "reset"]
+
+
+class Info:
+    REQ_OS_HK = "Request One-Shot HK"
+    RESET_GNSS = "Reset GNSS using reset pin"
+
+
+class SetIds:
+    HK = 0
+
+
+def add_gps_cmds(cmd_dict: ServiceOpCodeDictT):
+    op_code_dict = dict()
+    add_op_code_entry(
+        op_code_dict=op_code_dict, keys=OpCodes.RESET_GNSS, info=Info.RESET_GNSS
+    )
+    add_op_code_entry(
+        op_code_dict=op_code_dict, keys=OpCodes.REQ_OS_HK, info=Info.REQ_OS_HK
+    )
+    add_service_op_code_entry(
+        srv_op_code_dict=cmd_dict,
+        op_code_entry=op_code_dict,
+        name=CustomServiceList.GPS_CTRL.value,
+        info="GPS/GNSS Controller"
+    )
 
 
 def pack_gps_command(object_id: bytes, tc_queue: TcQueueT, op_code: str):
-    if op_code == GpsOpCodes.RESET_GNSS.value:
+    if op_code in OpCodes.RESET_GNSS:
         if object_id == GPS_HANDLER_0_ID:
-            tc_queue.appendleft((QueueCommands.PRINT, "Resetting GPS device 0"))
+            # TODO: This needs to be re-implemented
+            LOGGER.warning("Reset pin handling needs to be re-implemented")
+            return
+            # tc_queue.appendleft((QueueCommands.PRINT, "Resetting GPS device 0"))
         elif object_id == GPS_HANDLER_1_ID:
-            tc_queue.appendleft((QueueCommands.PRINT, "Resetting GPS device 1"))
+            LOGGER.warning("Reset pin handling needs to be re-implemented")
+            return
+            # tc_queue.appendleft((QueueCommands.PRINT, "Resetting GPS device 1"))
         cmd = generate_action_command(object_id=object_id, action_id=int(op_code))
         tc_queue.appendleft(cmd.pack_command_tuple())
+    if op_code in OpCodes.REQ_OS_HK:
+        tc_queue.appendleft((QueueCommands.PRINT, f"GMSS: {Info.REQ_OS_HK}"))
+        cmd = generate_one_hk_command(sid=make_sid(object_id=object_id, set_id=SetIds.HK), ssc=0)
+        tc_queue.appendleft(cmd.pack_command_tuple())

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
+    current_idx = 0
-    header_list = [
+    fmt_str = "!ddddBBBHBBBBBI"
-        "Latitude",
+    inc_len = struct.calcsize(fmt_str)
-        "Longitude",
+    (
-        "Altitude",
+        lat,
-        "Fix Mode",
+        long,
-        "Sats in Use",
+        alt,
-        "Date",
+        speed,
-        "Unix Seconds",
+        fix,
-    ]
+        sats_in_use,
-    latitude = struct.unpack("!d", hk_data[0:8])[0]
+        sats_in_view,
-    longitude = struct.unpack("!d", hk_data[8:16])[0]
+        year,
-    altitude = struct.unpack("!d", hk_data[16:24])[0]
+        month,
-    fix_mode = hk_data[24]
+        day,
-    sat_in_use = hk_data[25]
+        hours,
-    year = struct.unpack("!H", hk_data[26:28])[0]
+        minutes,
-    month = hk_data[28]
+        seconds,
-    day = hk_data[29]
+        unix_seconds
-    hours = hk_data[30]
+    ) = struct.unpack(fmt_str, hk_data[current_idx: current_idx + inc_len])
-    minutes = hk_data[31]
+    current_idx += inc_len
-    seconds = hk_data[32]
     date_string = f"{day}.{month}.{year} {hours}:{minutes}:{seconds}"
-    unix_seconds = struct.unpack("!I", hk_data[33:37])[0]
+    pw.dlog(f"Lat: {lat} deg")
-    content_list = [
+    pw.dlog(f"Long: {long} deg")
-        latitude,
+    pw.dlog(f"Altitude: {alt} m | Speed: {speed} m/s")
-        longitude,
+    pw.dlog(f"Fix Type: {fix} | Sats in View {sats_in_view} | Sats in Use {sats_in_use}")
-        altitude,
+    pw.dlog(f"GNSS Date: {date_string}")
-        fix_mode,
+    pw.dlog(f"Unix seconds {unix_seconds}")
-        sat_in_use,
+    printer.print_validity_buffer(validity_buffer=hk_data[current_idx:], num_vars=14)
-        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)