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command to set arbitrary bitrates

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This commit is contained in:
Jakob Meier 2022-01-25 18:23:02 +01:00
parent c86cd1874f
commit 598635ee4f
4 changed files with 17 additions and 9 deletions
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2
.idea/runConfigurations/ccsds_handler.xml
View File

@ -12,7 +12,7 @@
<option name="ADD_CONTENT_ROOTS" value="true" />
<option name="ADD_SOURCE_ROOTS" value="true" />
<EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
<option name="SCRIPT_NAME" value="$PROJECT_DIR$/tmtc_client_cli.py" />
<option name="SCRIPT_NAME" value="$PROJECT_DIR$/tmtccli.py" />
<option name="PARAMETERS" value="-s ccsds_handler -l -t 8 --hk" />
<option name="SHOW_COMMAND_LINE" value="false" />
<option name="EMULATE_TERMINAL" value="false" />

2
.idea/runConfigurations/tmtcc_Service_17.xml
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@ -12,7 +12,7 @@
<option name="ADD_CONTENT_ROOTS" value="true" />
<option name="ADD_SOURCE_ROOTS" value="true" />
<EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
<option name="SCRIPT_NAME" value="$PROJECT_DIR$/tmtc_client_cli.py" />
<option name="SCRIPT_NAME" value="$PROJECT_DIR$/tmtccli.py" />
<option name="PARAMETERS" value="-s 17 -o 0 -t 3 -l" />
<option name="SHOW_COMMAND_LINE" value="false" />
<option name="EMULATE_TERMINAL" value="true" />

1
config/hook_implementations.py
View File

@ -338,6 +338,7 @@ def get_eive_service_op_code_dict(service_op_code_dict: ServiceOpCodeDictT):
"1": ("CCSDS Handler: Set high rate", {OpCodeDictKeys.TIMEOUT: 2.0}),
"2": ("CCSDS Handler: Enable transmitter", {OpCodeDictKeys.TIMEOUT: 2.0}),
"3": ("CCSDS Handler: Disable transmitter", {OpCodeDictKeys.TIMEOUT: 2.0}),
"4": ("CCSDS Handler: Set arbitrary bitrate", {OpCodeDictKeys.TIMEOUT: 2.0}),
}
service_ccsds_handler_tuple = ("CCSDS Handler", op_code_dict_srv_ccsds_handler)

21
pus_tc/ccsds_handler.py
View File

@ -5,6 +5,8 @@
@author J. Meier
@date 20.11.2021
"""
import struct
from tmtccmd.config.definitions import QueueCommands
from tmtccmd.tc.packer import TcQueueT
from spacepackets.ecss.tc import PusTelecommand
@ -19,36 +21,41 @@ class CommandIds:
EN_TRANSMITTER = bytearray([0x0, 0x0, 0x0, 0x2])
# Disables the syrlinks transmitter (by using RS485 enables lines)
DIS_TRANSMITTER = bytearray([0x0, 0x0, 0x0, 0x3])
# Sets an arbitrary bitrate. Normally only set low and set high rate commands should be
# required
ARBITRARY_BITRATE = bytearray([0x0, 0x0, 0x0, 0x4])
def pack_ccsds_handler_test(object_id: bytearray, tc_queue: TcQueueT, op_code: str) -> TcQueueT:
tc_queue.appendleft(
(QueueCommands.PRINT,
"Testing ccsds handler with object id: 0x" + object_id.hex())
"Testing CCSDS handler with object id: 0x" + object_id.hex())
)
if op_code == "0":
tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Set low rate"))
command = object_id + CommandIds.SET_LOW_RATE
command = PusTelecommand(service=8, subservice=128, ssc=20, app_data=command)
tc_queue.appendleft(command.pack_command_tuple())
if op_code == "1":
tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Set high rate"))
command = object_id + CommandIds.SET_HIGH_RATE
command = PusTelecommand(service=8, subservice=128, ssc=21, app_data=command)
tc_queue.appendleft(command.pack_command_tuple())
if op_code == "2":
tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Enables the transmitter"))
command = object_id + CommandIds.EN_TRANSMITTER
command = PusTelecommand(service=8, subservice=128, ssc=21, app_data=command)
command = PusTelecommand(service=8, subservice=128, ssc=22, app_data=command)
tc_queue.appendleft(command.pack_command_tuple())
if op_code == "3":
tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Disables the transmitter"))
command = object_id + CommandIds.DIS_TRANSMITTER
command = PusTelecommand(service=8, subservice=128, ssc=21, app_data=command)
command = PusTelecommand(service=8, subservice=128, ssc=23, app_data=command)
tc_queue.appendleft(command.pack_command_tuple())
if op_code == "4":
tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Set arbitrary bitrate"))
bitrate = int(input("Specify bit rate (bps): "))
command = object_id + CommandIds.ARBITRARY_BITRATE + struct.pack('!I', bitrate)
command = PusTelecommand(service=8, subservice=128, ssc=24, app_data=command)
tc_queue.appendleft(command.pack_command_tuple())
return tc_queue