55 lines
2.3 KiB
Python
55 lines
2.3 KiB
Python
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# -*- coding: utf-8 -*-
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"""
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@file ccsds_handler.py
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@brief Test commanding of CCSDS Handler
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@author J. Meier
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@date 20.11.2021
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"""
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from tmtccmd.config.definitions import QueueCommands
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from tmtccmd.tc.packer import TcQueueT
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from spacepackets.ecss.tc import PusTelecommand
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class CommandIds:
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# Configures input rate of syrlinks to 400 Khz (results in downlink rate of 200 kbps)
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SET_LOW_RATE = bytearray([0x0, 0x0, 0x0, 0x0])
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# Configures input rate of syrlinks to 2000 Khz (results in downlink rate of 1000 kbps)
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SET_HIGH_RATE = bytearray([0x0, 0x0, 0x0, 0x1])
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# Enables the syrlinks transmitter (by using RS485 enables lines)
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EN_TRANSMITTER = bytearray([0x0, 0x0, 0x0, 0x2])
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# Disables the syrlinks transmitter (by using RS485 enables lines)
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DIS_TRANSMITTER = bytearray([0x0, 0x0, 0x0, 0x3])
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def pack_ccsds_handler_test(object_id: bytearray, tc_queue: TcQueueT, op_code: str) -> TcQueueT:
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tc_queue.appendleft(
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(QueueCommands.PRINT,
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"Testing ccsds handler with object id: 0x" + object_id.hex())
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)
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if op_code == "0":
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tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Set low rate"))
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command = object_id + CommandIds.SET_LOW_RATE
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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 op_code == "1":
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tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Set high rate"))
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command = object_id + CommandIds.SET_HIGH_RATE
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command = PusTelecommand(service=8, subservice=128, ssc=21, app_data=command)
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tc_queue.appendleft(command.pack_command_tuple())
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if op_code == "2":
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tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Enables the transmitter"))
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command = object_id + CommandIds.EN_TRANSMITTER
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command = PusTelecommand(service=8, subservice=128, ssc=21, app_data=command)
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tc_queue.appendleft(command.pack_command_tuple())
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if op_code == "3":
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tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Disables the transmitter"))
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command = object_id + CommandIds.DIS_TRANSMITTER
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command = PusTelecommand(service=8, subservice=128, ssc=21, app_data=command)
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tc_queue.appendleft(command.pack_command_tuple())
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return tc_queue
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