eive-tmtc/pus_tc/imtq.py

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# -*- coding: utf-8 -*-
"""
@file imtq.py
@brief Tests for the ISIS IMTQ (Magnettorquer) device handler
@author J. Meier
@date 25.03.2021
"""
from tmtccmd.core.definitions import QueueCommands
from tmtccmd.pus_tc.packer import TcQueueT
from tmtccmd.ecss.tc import PusTelecommand
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class ImtqTestProcedure:
"""
@brief Use this class to define the tests to perform for the IMTQ Handler.
@details Setting all to True will run all tests.
Setting all to False will only run the tests set to True.
"""
all = False
command_dipole = True
get_commanded_dipole = True
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class ImtqActionIds:
start_actuation_dipole = bytearray([0x0, 0x0, 0x0, 0x02])
get_commanded_dipole = bytearray([0x0, 0x0, 0x0, 0x03])
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def pack_imtq_test_into(object_id: bytearray, tc_queue: TcQueueT) -> TcQueueT:
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tc_queue.appendleft(
(QueueCommands.PRINT,
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"Testing ISIS IMTQ handler with object id: 0x" + object_id.hex())
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)
if ImtqTestProcedure.all or ImtqTestProcedure.command_dipole:
tc_queue.appendleft((QueueCommands.PRINT, "IMTQ: Commanding dipole"))
command = pack_dipole_command(object_id, 2000, 2000, 2000, 10000)
command = PusTelecommand(service=8, subservice=128, ssc=20, app_data=command)
tc_queue.appendleft(command.pack_command_tuple())
if ImtqTestProcedure.all or ImtqTestProcedure.get_commanded_dipole:
tc_queue.appendleft((QueueCommands.PRINT, "IMTQ: Get commanded dipole"))
command = object_id + ImtqActionIds.get_commanded_dipole
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command = PusTelecommand(service=8, subservice=128, ssc=20, app_data=command)
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tc_queue.appendleft(command.pack_command_tuple())
def pack_dipole_command(object_id: bytearray, x_dipole: int, y_dipole: int, z_dipole: int, duration: int) -> bytearray:
""" This function packs the command causing the ISIS IMTQ to generate a dipole.
@param object_id The object id of the gomspace device handler.
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@param x_dipole The dipole of the x coil in 10^-4*Am^2 (max. 2000)
@param y_dipole The dipole of the y coil in 10^-4*Am^2 (max. 2000)
@param z_dipole The dipole of the z coil in 10^-4*Am^2 (max. 2000)
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@param duration The duration in milliseconds the dipole will be generated by the coils.
When set to 0, the dipole will be generated until a new dipole actuation
command is sent.
"""
action_id = ImtqActionIds.start_actuation_dipole
command = bytearray()
command = object_id + action_id
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command.extend(x_dipole.to_bytes(length=2, byteorder='big'))
command.extend(y_dipole.to_bytes(length=2, byteorder='big'))
command.extend(z_dipole.to_bytes(length=2, byteorder='big'))
command.extend(duration.to_bytes(length=2, byteorder='big'))
return command