67 lines
2.8 KiB
Python
67 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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@file imtq.py
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@brief Tests for the ISIS IMTQ (Magnettorquer) device handler
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@author J. Meier
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@date 25.03.2021
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"""
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from tmtccmd.core.definitions import QueueCommands
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from tmtccmd.pus_tc.packer import TcQueueT
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from tmtccmd.ecss.tc import PusTelecommand
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class ImtqTestProcedure:
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"""
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@brief Use this class to define the tests to perform for the IMTQ Handler.
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@details Setting all to True will run all tests.
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Setting all to False will only run the tests set to True.
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"""
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all = False
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command_dipole = True
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get_commanded_dipole = True
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class ImtqActionIds:
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start_actuation_dipole = bytearray([0x0, 0x0, 0x0, 0x02])
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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(
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(QueueCommands.PRINT,
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"Testing ISIS IMTQ handler with object id: 0x" + object_id.hex())
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)
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if ImtqTestProcedure.all or ImtqTestProcedure.command_dipole:
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tc_queue.appendleft((QueueCommands.PRINT, "IMTQ: Commanding dipole"))
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command = pack_dipole_command(object_id, 1000, 1000, 1000, 10000)
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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())
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if ImtqTestProcedure.all or ImtqTestProcedure.get_commanded_dipole:
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tc_queue.appendleft((QueueCommands.PRINT, "IMTQ: Get commanded dipole"))
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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())
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def pack_dipole_command(object_id: bytearray, x_dipole: int, y_dipole: int, z_dipole: int, duration: int) -> bytearray:
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""" This function packs the command causing the ISIS IMTQ to generate a dipole.
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@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)
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@param y_dipole The dipole of the y coil in 10^-4*Am^2 (max. 2000)
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@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.
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When set to 0, the dipole will be generated until a new dipole actuation
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command is sent.
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"""
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action_id = ImtqActionIds.start_actuation_dipole
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command = bytearray()
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command = object_id + action_id
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command.extend(x_dipole.to_bytes(length=2, byteorder='big'))
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command.extend(y_dipole.to_bytes(length=2, byteorder='big'))
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command.extend(z_dipole.to_bytes(length=2, byteorder='big'))
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command.extend(duration.to_bytes(length=2, byteorder='big'))
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return command
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