60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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@file tmtcc_tc_heater.py
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@brief Command sequence to test the HeaterHandler
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@author J. Meier
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@date 30.01.2021
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"""
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from tmtc_core.pus_tc.tmtcc_pus_tc_packer import TcQueueT
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from tmtc_core.pus_tc.tmtcc_pus_tc_base import PusTelecommand
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class TestProcedure:
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"""
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@brief The variables in this class can be used to configure the heater test procedure.
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"""
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on = True # All heaters will be turned on
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off = False # All heaters will be turned off
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class SwitchNumbers:
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PAYLOAD_CAMERA_HEATER = 0
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class SwitchActions:
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OFF = 0
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ON = 1
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class ActionIds:
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SWITCH_HEATER = bytearray([0x0, 0x0, 0x0, 0x0])
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def pack_heater_test_into(object_id: bytearray, tc_queue: TcQueueT) -> TcQueueT:
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tc_queue.appendleft(("print", "Testing Heater Switching"))
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if TestProcedure.on:
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tc_queue.appendleft(("print", "Switching on heater of payload camera"))
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command = pack_switch_heater_command(object_id, SwitchNumbers.PAYLOAD_CAMERA_HEATER, SwitchActions.ON)
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command = PusTelecommand(service=8, subservice=128, ssc=300, app_data=command)
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tc_queue.appendleft(command.pack_command_tuple())
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if TestProcedure.off:
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tc_queue.appendleft(("print", "Switching off heater of payload camera"))
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command = pack_switch_heater_command(object_id, SwitchNumbers.PAYLOAD_CAMERA_HEATER, SwitchActions.OFF)
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command = PusTelecommand(service=8, subservice=128, ssc=301, app_data=command)
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tc_queue.appendleft(command.pack_command_tuple())
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def pack_switch_heater_command(object_id: bytearray, switch_nr: int, switch_action: int) -> bytearray:
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""" Function to generate the command switch a heater
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@param object_id The object id of the HeaterHandler object.
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@param switch_nr The switch number identifying the heater to switch
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@param switch_action Action to perform. 0 - Sets switch off, 1 - Sets switch on.
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"""
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action_id = ActionIds.SWITCH_HEATER
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command = object_id + action_id
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command.append(switch_nr)
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command.append(switch_action)
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return command
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