eive-tmtc/eive_tmtc/tmtc/com/ccsds_handler.py

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# -*- coding: utf-8 -*-
"""
@file ccsds_handler.py
@brief Test commanding of CCSDS Handler
@author J. Meier
@date 20.11.2021
"""
import enum
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import struct
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from eive_tmtc.config.definitions import CustomServiceList
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from spacepackets.ecss.tc import PusTelecommand
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from tmtccmd.config.tmtc import (
tmtc_definitions_provider,
OpCodeEntry,
TmtcDefinitionWrapper,
)
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from tmtccmd.tc import DefaultPusQueueHelper
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from tmtccmd.tc.pus_200_fsfw_mode import create_mode_command, Mode
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from tmtccmd.util import ObjectIdU32
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from eive_tmtc.config.object_ids import CCSDS_HANDLER_ID
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class ActionId(enum.IntEnum):
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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 = 0
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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 = 1
# Enables the syrlinks transmitter (by using RS485 enables lines). Please note that this
# is a legacy command. It is recommended to use mode commands instead
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EN_TRANSMITTER = 2
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# Disables the syrlinks transmitter (by using RS485 enables lines). Please note that this is
# a legacy command. It is recommended to use mode commands instead.
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DIS_TRANSMITTER = 3
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# Sets an arbitrary bitrate. Normally only set low and set high rate commands should be
# required
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ARBITRARY_BITRATE = 4
ENABLE_TX_CLK_MANIPULATOR = 5
DISABLE_TX_CLK_MANIPULATOR = 6
# Tx data will be updated on rising edge of tx clock
UPDATE_ON_RISING_EDGE = 7
# Tx data will be updated on falling edge of tx clock
UPDATE_ON_FALLING_EDGE = 8
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class Submode(enum.IntEnum):
# Informative, do not command this.
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UNSET = 0
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DATARATE_LOW = 1
DATARATE_HIGH = 2
DATARATE_DEFAULT = 3
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class OpCode:
ENABLE_WITH_LOW_DATARATE = ["enable_low_datarate"]
ENABLE_WITH_HIGH_DATARATE = ["enable_high_datarate"]
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DISABLE = ["disable"]
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ENABLE_ACTION = ["legacy_enable_tx"]
DISABLE_ACTION = ["legacy_disable_tx"]
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class Info:
ENABLE_WITH_LOW_DATARATE = "Enable TX with low datarate"
ENABLE_WITH_HIGH_DATARATE = "Enable TX with high datarate"
DISABLE = "Disable TX"
ENABLE_ACTION = "Enable TX (legacy)"
DISABLE_ACTION = "Disable TX (legacy)"
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def pack_ccsds_handler_test(
object_id: ObjectIdU32, q: DefaultPusQueueHelper, op_code: str
):
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obyt = object_id.as_bytes
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prefix = "CCSDS Handler"
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q.add_log_cmd(f"Testing CCSDS handler with object id: {object_id.as_hex_string}")
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if op_code in OpCode.ENABLE_WITH_LOW_DATARATE:
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q.add_log_cmd(f"{prefix}: {Info.ENABLE_WITH_LOW_DATARATE}")
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q.add_pus_tc(create_mode_command(obyt, Mode.ON, Submode.DATARATE_LOW))
if op_code in OpCode.ENABLE_WITH_HIGH_DATARATE:
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q.add_log_cmd(f"{prefix}: {Info.ENABLE_WITH_HIGH_DATARATE}")
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q.add_pus_tc(create_mode_command(obyt, Mode.ON, Submode.DATARATE_HIGH))
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if op_code in OpCode.DISABLE:
q.add_log_cmd(f"{prefix}: {Info.DISABLE}")
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q.add_pus_tc(create_mode_command(obyt, Mode.OFF, 0))
if op_code in OpCode.ENABLE_ACTION:
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q.add_log_cmd(f"{prefix}: {Info.ENABLE_ACTION}")
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command = obyt + struct.pack("!I", ActionId.EN_TRANSMITTER)
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q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=command))
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if op_code in OpCode.DISABLE_ACTION:
q.add_log_cmd(f"{prefix}: {Info.DISABLE_ACTION}")
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command = obyt + struct.pack("!I", ActionId.DIS_TRANSMITTER)
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q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=command))
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if op_code == "4":
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q.add_log_cmd("CCSDS Handler: Set arbitrary bitrate")
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bitrate = int(input("Specify bit rate (bps): "))
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command = (
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obyt
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+ struct.pack("!I", ActionId.ARBITRARY_BITRATE)
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+ struct.pack("!I", bitrate)
)
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q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=command))
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if op_code == "5":
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q.add_log_cmd("CCSDS Handler: Enable tx clock manipulator")
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command = obyt + struct.pack("!I", ActionId.ENABLE_TX_CLK_MANIPULATOR)
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q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=command))
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if op_code == "6":
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q.add_log_cmd("CCSDS Handler: Disable tx clock manipulator")
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command = obyt + struct.pack("!I", ActionId.DISABLE_TX_CLK_MANIPULATOR)
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q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=command))
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if op_code == "7":
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q.add_log_cmd("CCSDS Handler: Update tx data on rising edge of tx clock")
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command = obyt + struct.pack("!I", ActionId.UPDATE_ON_RISING_EDGE)
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q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=command))
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if op_code == "8":
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q.add_log_cmd("CCSDS Handler: Update tx data on falling edge of tx clock")
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command = obyt + struct.pack("!I", ActionId.UPDATE_ON_FALLING_EDGE)
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q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=command))
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@tmtc_definitions_provider
def add_ccsds_cmds(defs: TmtcDefinitionWrapper):
oce = OpCodeEntry()
oce.add(OpCode.ENABLE_WITH_LOW_DATARATE, Info.ENABLE_WITH_LOW_DATARATE)
oce.add(OpCode.ENABLE_WITH_HIGH_DATARATE, Info.ENABLE_WITH_HIGH_DATARATE)
oce.add(OpCode.DISABLE, Info.DISABLE)
oce.add(OpCode.ENABLE_ACTION, Info.ENABLE_ACTION)
oce.add(OpCode.DISABLE_ACTION, Info.DISABLE_ACTION)
oce.add("4", "CCSDS Handler: Set arbitrary bitrate")
oce.add("5", "CCSDS Handler: Enable tx clock manipulator")
oce.add("6", "CCSDS Handler: Disable tx clock manipulator")
oce.add("7", "CCSDS Handler: Update tx data on rising edge")
oce.add("8", "CCSDS Handler: Update tx data on falling edge")
defs.add_service(CustomServiceList.CCSDS_HANDLER.value, "CCSDS Handler", oce)