128 lines
4.0 KiB
Python
128 lines
4.0 KiB
Python
import datetime
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import enum
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import logging
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import struct
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from eive_tmtc.config.definitions import CustomServiceList
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from eive_tmtc.pus_tm.defs import PrintWrapper
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from tmtccmd.config import TmtcDefinitionWrapper, OpCodeEntry
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from tmtccmd.config.tmtc import tmtc_definitions_provider
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from tmtccmd.tc.pus_200_fsfw_mode import create_mode_command, Mode
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from tmtccmd.tc import DefaultPusQueueHelper
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from tmtccmd.tc.pus_3_fsfw_hk import (
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make_sid,
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create_request_one_hk_command,
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create_enable_periodic_hk_command_with_interval,
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create_disable_periodic_hk_command,
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)
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from tmtccmd.util.tmtc_printer import FsfwTmTcPrinter
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_LOGGER = logging.getLogger(__name__)
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class OpCode:
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OFF = "off"
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ON = "on"
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REQ_OS_HK = ["hk"]
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ENABLE_HK = ["enable_hk"]
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DISABLE_HK = ["disable_hk"]
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RESET_GNSS = ["reset"]
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class Info:
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OFF = "Off"
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ON = "On"
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REQ_OS_HK = "Request One-Shot HK"
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ENABLE_HK = "Enable HK"
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DISABLE_HK = "Disable HK"
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RESET_GNSS = "Reset GNSS using reset pin"
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class SetId(enum.IntEnum):
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HK = 0
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@tmtc_definitions_provider
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def add_gps_cmds(defs: TmtcDefinitionWrapper):
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oce = OpCodeEntry()
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oce.add(keys=OpCode.RESET_GNSS, info=Info.RESET_GNSS)
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oce.add(keys=OpCode.REQ_OS_HK, info=Info.REQ_OS_HK)
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oce.add(keys=OpCode.ENABLE_HK, info=Info.ENABLE_HK)
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oce.add(keys=OpCode.DISABLE_HK, info=Info.DISABLE_HK)
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oce.add(keys=OpCode.OFF, info=Info.OFF)
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oce.add(keys=OpCode.ON, info=Info.ON)
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defs.add_service(
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name=CustomServiceList.GPS_CTRL.value,
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info="GPS/GNSS Controller",
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op_code_entry=oce,
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)
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def pack_gps_command(object_id: bytes, q: DefaultPusQueueHelper, op_code: str):
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sid = make_sid(object_id=object_id, set_id=SetId.HK)
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if op_code in OpCode.RESET_GNSS:
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# TODO: This needs to be re-implemented
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_LOGGER.warning("Reset pin handling needs to be re-implemented")
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if op_code in OpCode.ENABLE_HK:
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interval = float(input("Please specify interval in floating point seconds: "))
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if interval <= 0:
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raise ValueError("invalid interval")
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q.add_log_cmd(f"GPS: {Info.ENABLE_HK}")
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cmds = create_enable_periodic_hk_command_with_interval(
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diag=False, sid=sid, interval_seconds=interval
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)
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for cmd in cmds:
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q.add_pus_tc(cmd)
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if op_code in OpCode.DISABLE_HK:
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q.add_log_cmd(f"gps: {Info.DISABLE_HK}")
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q.add_pus_tc(create_disable_periodic_hk_command(diag=False, sid=sid))
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if op_code in OpCode.REQ_OS_HK:
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q.add_log_cmd(f"GPS: {Info.REQ_OS_HK}")
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q.add_pus_tc(create_request_one_hk_command(sid=sid))
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if op_code in OpCode.ON:
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q.add_log_cmd(f"GPS: {Info.ON}")
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q.add_pus_tc(create_mode_command(object_id, Mode.ON, 0))
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if op_code in OpCode.OFF:
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q.add_log_cmd(f"GPS: {Info.OFF}")
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q.add_pus_tc(create_mode_command(object_id, Mode.OFF, 0))
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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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current_idx = 0
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fmt_str = "!ddddBBBHBBBBBI"
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inc_len = struct.calcsize(fmt_str)
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(
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lat,
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long,
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alt,
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speed,
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fix,
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sats_in_use,
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sats_in_view,
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year,
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month,
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day,
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hours,
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minutes,
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seconds,
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unix_seconds,
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) = struct.unpack(fmt_str, hk_data[current_idx : current_idx + inc_len])
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current_idx += inc_len
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if year == 0:
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date_string = "No date string, year is 0"
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else:
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date_string = datetime.datetime(
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year=year, month=month, day=day, hour=hours, minute=minutes, second=seconds
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)
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pw.dlog(f"Lat: {lat} deg")
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pw.dlog(f"Long: {long} deg")
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pw.dlog(f"Altitude: {alt} m | Speed: {speed} m/s")
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pw.dlog(
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f"Fix Type: {fix} | Sats in View {sats_in_view} | Sats in Use {sats_in_use}"
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)
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pw.dlog(f"GNSS Date: {date_string}")
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pw.dlog(f"Unix seconds {unix_seconds}")
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printer.print_validity_buffer(validity_buffer=hk_data[current_idx:], num_vars=14)
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