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ccsds handler commands

This commit is contained in:
Jakob Meier 2022-01-31 07:34:20 +01:00
parent c50ef12729
commit 7698e92a94
2 changed files with 40 additions and 10 deletions
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4
config/hook_implementations.py
View File

@ -340,6 +340,10 @@ def get_eive_service_op_code_dict(service_op_code_dict: ServiceOpCodeDictT):
"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}),
"5": ("CCSDS Handler: Enable tx clock manipulator", {OpCodeDictKeys.TIMEOUT: 2.0}),
"6": ("CCSDS Handler: Disable tx clock manipulator", {OpCodeDictKeys.TIMEOUT: 2.0}),
"7": ("CCSDS Handler: Update tx data on rising edge", {OpCodeDictKeys.TIMEOUT: 2.0}),
"8": ("CCSDS Handler: Update tx data on falling edge", {OpCodeDictKeys.TIMEOUT: 2.0}),
}
service_ccsds_handler_tuple = ("CCSDS Handler", op_code_dict_srv_ccsds_handler)

46
pus_tc/ccsds_handler.py
View File

@ -14,16 +14,22 @@ from spacepackets.ecss.tc import PusTelecommand
class CommandIds:
# Configures input rate of syrlinks to 400 Khz (results in downlink rate of 200 kbps)
SET_LOW_RATE = bytearray([0x0, 0x0, 0x0, 0x0])
SET_LOW_RATE = 0
# Configures input rate of syrlinks to 2000 Khz (results in downlink rate of 1000 kbps)
SET_HIGH_RATE = bytearray([0x0, 0x0, 0x0, 0x1])
SET_HIGH_RATE = 1
# Enables the syrlinks transmitter (by using RS485 enables lines)
EN_TRANSMITTER = bytearray([0x0, 0x0, 0x0, 0x2])
EN_TRANSMITTER = 2
# Disables the syrlinks transmitter (by using RS485 enables lines)
DIS_TRANSMITTER = bytearray([0x0, 0x0, 0x0, 0x3])
DIS_TRANSMITTER = 3
# Sets an arbitrary bitrate. Normally only set low and set high rate commands should be
# required
ARBITRARY_BITRATE = bytearray([0x0, 0x0, 0x0, 0x4])
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
def pack_ccsds_handler_test(object_id: bytearray, tc_queue: TcQueueT, op_code: str) -> TcQueueT:
@ -33,28 +39,48 @@ def pack_ccsds_handler_test(object_id: bytearray, tc_queue: TcQueueT, op_code: s
)
if op_code == "0":
tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Set low rate"))
command = object_id + CommandIds.SET_LOW_RATE
command = object_id + struct.pack('!I', 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 = object_id + struct.pack('!I', 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 = object_id + struct.pack('!I', CommandIds.EN_TRANSMITTER)
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 = object_id + struct.pack('!I', CommandIds.DIS_TRANSMITTER)
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 = object_id + struct.pack('!I', 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())
if op_code == "5":
tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Enable tx clock manipulator"))
command = object_id + struct.pack('!I', CommandIds.ENABLE_TX_CLK_MANIPULATOR)
command = PusTelecommand(service=8, subservice=128, ssc=24, app_data=command)
tc_queue.appendleft(command.pack_command_tuple())
if op_code == "6":
tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Disable tx clock manipulator"))
command = object_id + struct.pack('!I', CommandIds.DISABLE_TX_CLK_MANIPULATOR)
command = PusTelecommand(service=8, subservice=128, ssc=24, app_data=command)
tc_queue.appendleft(command.pack_command_tuple())
if op_code == "7":
tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Update tx data on rising edge of tx clock"))
command = object_id + struct.pack('!I', CommandIds.UPDATE_ON_RISING_EDGE)
command = PusTelecommand(service=8, subservice=128, ssc=24, app_data=command)
tc_queue.appendleft(command.pack_command_tuple())
if op_code == "8":
tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Update tx data on falling edge of tx clock"))
command = object_id + struct.pack('!I', CommandIds.UPDATE_ON_FALLING_EDGE)
command = PusTelecommand(service=8, subservice=128, ssc=24, app_data=command)
tc_queue.appendleft(command.pack_command_tuple())