def disconnectEDEN2():
"""Disonnect EDEN link 2"""
LOG_INFO("Disonnect EDEN link 2", "EDEN")
edenHost = EGSE.IF.s_edenClientConfiguration.edenHost
edenPort2 = EGSE.IF.s_edenClientConfiguration.edenPort2
if edenHost == "" or edenPort2 == "-1":
LOG_ERROR("no EDEN link 2 configured", "EDEN")
return
s_client2.disconnectFromServer()
def disconnectNCTRS3():
"""Disonnect NCTRS Admin link"""
LOG_INFO("Disonnect NCTRS Admin link", "NCTRS")
nctrsHost = GRND.IF.s_clientConfiguration.nctrsHost
nctrsAdminPort = GRND.IF.s_clientConfiguration.nctrsAdminPort
if nctrsHost == "" or nctrsAdminPort == "-1":
LOG_ERROR("no NCTRS Admin link configured", "NCTRS")
return
s_adminClient.disconnectFromServer()
def pushMngPacket(self, tcPacketDu):
"""
consumes a management telecommand packet:
implementation of SPACE.IF.OnboardQueue.pushMngPacket
"""
LOG_INFO("pushMngPacket", "OBQ")
LOG("APID = " + str(tcPacketDu.applicationProcessId), "OBQ")
LOG("TYPE = " + str(tcPacketDu.serviceType), "OBQ")
LOG("SUBTYPE = " + str(tcPacketDu.serviceSubType), "OBQ")
LOG("SSC = " + str(tcPacketDu.sequenceControlCount), "OBQ")
# check if the packet is a TT uplink command
if tcPacketDu.serviceSubType in PUS.SERVICES.TC_OBQ_UPLINK_SUBTYPES:
# extract the embedded TT packet from the TT uplink command
# consider also the CRC (2 bytes)
ttPacketMaxSize = len(tcPacketDu) - self.ttByteOffset - 2
if ttPacketMaxSize <= CCSDS.PACKET.PRIMARY_HEADER_BYTE_SIZE:
LOG_ERROR("cannot extract TT packet, not enought bytes", "OBQ")
LOG(str(tcPacketDu), "OBQ")
return
ttPacketData = tcPacketDu.getBytes(self.ttByteOffset,
ttPacketMaxSize)
ttPacketDu = PUS.PACKET.TCpacket(ttPacketData)
ttPacketSize = CCSDS.PACKET.PRIMARY_HEADER_BYTE_SIZE + ttPacketDu.packetLength + 1
# consistency checks
if ttPacketSize < CCSDS.PACKET.PRIMARY_HEADER_BYTE_SIZE:
LOG_ERROR("packetLength of TT packet too small", "OBQ")
LOG(str(ttPacketDu), "OBQ")
return
if ttPacketSize > ttPacketMaxSize:
LOG_ERROR("packetLength of TT packet too large", "OBQ")
LOG(str(ttPacketDu), "OBQ")
return
# resize the ttPacketDu to match the packetLength
ttPacketDu.setLen(ttPacketSize)
if not ttPacketDu.checkChecksum():
LOG_ERROR("invalid TT packet CRC", "OBQ")
LOG(str(ttPacketDu), "OBQ")
return
# calculate the execution time
obtExecTime = tcPacketDu.getTime(self.ttTimeByteOffset,
self.ttTtimeFormat)
ttExecTime = UTIL.TCO.correlateFromOBTmissionEpoch(obtExecTime)
SPACE.IF.s_onboardQueue.insertTTpacket(ttExecTime, ttPacketDu)
def connectCallback(self, socket, stateMask):
"""Callback when a client has connected"""
# accept the client connection
try:
clientSocket, clientHost = self.connectSocket.accept()
except Exception as ex:
LOG_ERROR("Accept of the client connection failed: " + str(ex))
return
# delegate the remaing processing
self.accepted(clientSocket)
def connectToServer(self, serverHost, serverPort):
"""Connects to the server"""
# create the data socket
try:
dataSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
except Exception as ex:
LOG_ERROR("Creation of data socket failed: " + str(ex))
return None
# connect the data socket to the server
try:
dataSocket.connect((serverHost, serverPort))
except Exception as ex:
LOG_ERROR("Connection to server " + str(serverPort) + "@" +
serverHost + " failed: " + str(ex))
return None
# use the data socket
self.enableDataSocket(dataSocket)
# call the hook
self.connected()
return dataSocket
class TMclient(UTIL.TCP.SingleServerReceivingClient):
"""CNC TM interface - CCS side"""
# connectToServer and disconnectFromServer are inherited
# and must be handled in a proper way from the application
# ---------------------------------------------------------------------------
def __init__(self):
"""Initialise attributes only"""
modelTask = UTIL.TASK.s_processingTask
UTIL.TCP.SingleServerReceivingClient.__init__(self, modelTask)
# ---------------------------------------------------------------------------
def receiveCallback(self, socket, stateMask):
"""Callback when the SCOE has send data"""
# read the packet header from the data socket
try:
packetHeader = self.dataSocket.recv(
CCSDS.PACKET.PRIMARY_HEADER_BYTE_SIZE)
except Exception, ex:
self.disconnectFromServer()
self.notifyConnectionClosed(str(ex))
return
# consistency check
packetHeaderLen = len(packetHeader)
if packetHeaderLen == 0:
# client termination
self.disconnectFromServer()
self.notifyConnectionClosed("empty data read")
return
if packetHeaderLen != CCSDS.PACKET.PRIMARY_HEADER_BYTE_SIZE:
LOG_ERROR("Read of CCSDS packet header failed: invalid size: " +
str(pduHeaderLen))
return
ccsdsTMpacketDU = CCSDS.PACKET.TMpacket(packetHeader)
# read the data field for the packet from the data socket
dataFieldLength = ccsdsTMpacketDU.packetLength + 1
try:
dataField = self.dataSocket.recv(dataFieldLength)
except Exception, ex:
LOG_ERROR("Read of packet dataField failed: " + str(ex))
return
def receiveCallback(self, socket, stateMask):
"""Callback when NCTRS has send data"""
# read the admin message unit header
messageHeader = self.recv(GRND.NCTRSDU.MESSAGE_HEADER_BYTE_SIZE)
if messageHeader == None:
# failure handling was done automatically by derived logic
return
# consistency check
messageHeaderLen = len(messageHeader)
if messageHeaderLen != GRND.NCTRSDU.MESSAGE_HEADER_BYTE_SIZE:
LOG_ERROR(
"Read of admin message DU header failed: invalid size: " +
str(messageHeaderLen), "NCTRS")
self.disconnectFromServer()
return
messageDu = GRND.NCTRSDU.AdminMessageDataUnit(messageHeader)
# consistency check
packetSize = messageDu.packetSize
remainingSizeExpected = packetSize - GRND.NCTRSDU.MESSAGE_HEADER_BYTE_SIZE
if remainingSizeExpected <= 0:
LOG_ERROR(
"Read of admin message DU header failed: invalid packet size field: "
+ str(remainingSizeExpected), "NCTRS")
self.disconnectFromServer()
return
# read the remaining bytes for the TC data unit
messageRemaining = self.recv(remainingSizeExpected)
if messageRemaining == None:
# failure handling was done automatically by derived logic
return
# consistency check
remainingSizeRead = len(messageRemaining)
if remainingSizeRead != remainingSizeExpected:
LOG_ERROR(
"Read of remaining admin message DU failed: invalid remaining size: "
+ str(remainingSizeRead), "NCTRS")
self.disconnectFromServer()
return
# set the message
messageDu.setMessage(messageRemaining)
self.notifyAdminMessageDataUnit(messageDu)
def tcpConnectCallback(self, socket, stateMask):
"""Callback when a TCP/IP client (e.g. TECO) has connected"""
# accept the client connection
try:
clientSocket, clientHost = self.connectSocket.accept()
except:
LOG_ERROR("accept of the client connection failed!")
return
self.clientSocket = clientSocket
# delegate the remaing processing
self.connected()
def pushTMpacket(self, tmPacketDu, ertUTC):
"""
consumes a telemetry packet:
implementation of LINK.IF.PacketLink.pushTMpacket
"""
tmFrameDu = LINK.IF.s_tmFrameGenerator.getTMframe(tmPacketDu)
if tmFrameDu == None:
LOG_ERROR("cannot determine frame for packet", "LINK")
# put the TM frame into the downlink queue to simulate the downlink delay
receptionTime = UTIL.TIME.getActualTime() + DOWNLINK_DELAY_SEC
self.downlinkQueue[receptionTime] = (tmFrameDu, ertUTC)
UTIL.TASK.s_processingTask.notifyGUItask("TM_FRAME")
def stopFrameRecorder(self):
"""
stops TM frame recording:
implementation of GROUND.IF.TMmcsLink.stopFrameRecorder
"""
# open the TM frame recording file
try:
GRND.IF.s_configuration.frameRecordFile.close()
GRND.IF.s_configuration.frameRecordFile = None
except:
LOG_ERROR("cannot close frame recording file", "GRND")
# notify the GUI
UTIL.TASK.s_processingTask.notifyGUItask("FRAME_REC_STOPPED")
def receiveCallback(self, socket, stateMask):
"""Callback when a server has send data"""
LOG("*** receiveCallback ***")
# read the next set of byte from the data socket
tcpLineBuffer = self.tcpLineBuffer
try:
tcpLineBuffer += self.dataSocket.recv(LINEBUFFERLEN);
LOG("tcpLineBuffer: " + tcpLineBuffer)
except Exception, ex:
# read failed
LOG_ERROR("Read failed: " + str(ex))
self.disconnectClient()
return
def sendFTH_MonitorProUST(self):
"""sends the FTH_MonitorProUST TM packet to CCS"""
pktMnemonic = "FTH_MonitorProUST"
params = EPWR_FTH_OP
values = self.operationMode
tmPacketData = SPACE.IF.s_definitions.getTMpacketInjectData(
pktMnemonic, params, values)
# check the TM packet data
if tmPacketData == None:
LOG_ERROR("TM packet creation failed for " + pktMnemonic, "SPACE")
return False
# send the TM packet
return SPACE.IF.s_onboardComputer.generateTMpacket(tmPacketData)
def receiveCallback(self, socket, stateMask):
"""Callback when the SCOE has send data"""
# read the packet header from the data socket
packetHeader = self.recv(CCSDS.PACKET.PRIMARY_HEADER_BYTE_SIZE)
if packetHeader == None:
# failure handling was done automatically by derived logic
return
# consistency check
packetHeaderLen = len(packetHeader)
if packetHeaderLen != CCSDS.PACKET.PRIMARY_HEADER_BYTE_SIZE:
LOG_ERROR(
"Read of CCSDS packet header failed: invalid size: " +
str(packetHeaderLen), "CNC")
self.disconnectFromServer()
return
ccsdsTMpacketDU = CCSDS.PACKET.TMpacket(packetHeader)
# read the data field for the packet from the data socket
dataFieldLength = ccsdsTMpacketDU.packetLength + 1
dataField = self.recv(dataFieldLength)
if dataField == None:
# failure handling was done automatically by derived logic
return
# consistency check
remainingSizeRead = len(dataField)
if remainingSizeRead != dataFieldLength:
LOG_ERROR(
"Read of remaining packet failed: invalid remaining size: " +
str(remainingSizeRead), "CNC")
self.disconnectFromServer()
return
ccsdsTMpacketDU.append(dataField)
# dispatch the CCSDS tm packet
try:
LOG_INFO("CNC.TMclient.receiveCallback(TM packet)", "CNC")
self.notifyTMpacket(ccsdsTMpacketDU.getBuffer())
except Exception as ex:
LOG_ERROR("Processing of received TM packet failed: " + str(ex),
"CNC")
self.disconnectFromServer()
def createTMdataUnit(binaryString=None):
"""creates a NCTRS TM data unit according to the NCTRS_TM_DU_VERSION"""
tmDUtype = getTMdataUnitType()
if s_tmDUtype == GRND.NCTRSDU.TM_V0_ERT_FORMAT:
return GRND.NCTRSDU.TMdataUnitV0(binaryString)
elif s_tmDUtype == GRND.NCTRSDU.TM_V1_CDS1_ERT_FORMAT:
return GRND.NCTRSDU.TMdataUnitV1CDS1(binaryString)
elif s_tmDUtype == GRND.NCTRSDU.TM_V1_CDS2_ERT_FORMAT:
return GRND.NCTRSDU.TMdataUnitV1CDS2(binaryString)
elif s_tmDUtype == GRND.NCTRSDU.TM_V1_CDS3_ERT_FORMAT:
return GRND.NCTRSDU.TMdataUnitV1CDS3(binaryString)
LOG_ERROR("Invalid s_tmDUtype " + str(s_tmDUtype), "NCTRS")
sys.exit(-1)
def receiveCallback(self, socket, stateMask):
"""Callback when a server has send data"""
LOG("*** receiveCallback ***")
# read the next set of byte from the data socket
data = self.recv(LINEBUFFERLEN)
if data == None:
# client is automatically disconnected
return
tcpLineBuffer = self.tcpLineBuffer
tcpLineBuffer += data.decode("ascii")
# handle the input: extract the lines from the line buffer
lines = tcpLineBuffer.split("\n")
# the last line has to be handled in a special way and can not be
# processed directly
lastLine = lines[-1]
lines = lines[:-1]
if lastLine == "":
# read of the data was complete (incl. "\n")
pass
else:
# last line was cutt off and the rest should come with the next read
self.tcpLineBuffer = lastLine
for line in lines:
# remove a terminating "\r" for clients like telnet
if line[-1] == "\r":
line = line[:-1]
# terminate the client connection if exit has been entered (case insensitive)
upperLine = line.upper()
if (upperLine == "X") or (upperLine == "EXIT"):
LOG("Exit requested")
# terminate the server connection
self.disconnectFromServer()
return
if (upperLine == "Q") or (upperLine == "QUIT"):
LOG("Quit requested")
# terminate the server connection
self.disconnectFromServer()
sys.exit(0)
# delegate the input
pstatus = self.processLine(line)
if pstatus == 0:
LOG("OK")
# send the OK response back to the TECO
retString = "OK\n"
self.send(retString.encode())
else:
LOG_ERROR(str(pstatus))
# set the Error response back to the client:
retString = "Error: execution failed (see log)!\n"
self.send(retString.encode())
def generatePacketsFromCRYOSATframes(self, frameDumpFile):
"""Extracts CCSDS TM packets from CRYOSAT TM transfer frames"""
frameNumber = 1
while True:
cryosatHeader = frameDumpFile.read(
GRND.CRYOSATDU.TM_FRAME_DU_HEADER_BYTE_SIZE)
if len(cryosatHeader) == 0:
# end of file reached
return
elif len(cryosatHeader
) != GRND.CRYOSATDU.TM_FRAME_DU_HEADER_BYTE_SIZE:
LOG_ERROR("frameDumpFile has incomplete CRYOSAT frame " +
str(frameNumber))
sys.exit(-1)
# cryosatHeader completely read --> read CCSDS frame
ccsdsFrame = frameDumpFile.read(self.frameSize)
if len(ccsdsFrame) != self.frameSize:
LOG_ERROR("frameDumpFile has incomplete CCSDS frame " +
str(frameNumber))
sys.exit(-1)
self.generatePacketsFromCCSDSframe(ccsdsFrame, frameNumber)
# prepare read of next frame
frameNumber += 1
def generateEmptyTMpacket(self, pktMnemonic):
"""
generates an empty TM packet (all parameters are zero):
implementation of SPACE.IF.OnboardComputer.generateTMpacket
"""
params = ""
values = ""
tmPacketData = SPACE.IF.s_definitions.getTMpacketInjectData(
pktMnemonic, params, values)
# check the TM packet data
if tmPacketData == None:
LOG_ERROR("TM packet creation failed for " + pktMnemonic, "SPACE")
return False
# send the TM packet
return self.generateTMpacket(tmPacketData)
def startReplay(self, replayFileName, frameRateMs):
"""starts reading NCTRS frames from a replay file"""
LOG_WARNING("startReplay(" + replayFileName + ")", "FRAME")
# read the NCTRS frames file
try:
self.nctrsFramesFile = open(replayFileName, "rb")
except:
LOG_ERROR("cannot read " + replayFileName, "FRAME")
return False
self.frameRateMs = frameRateMs
self.running = True
self.frameNr = 0
UTIL.TASK.s_processingTask.notifyGUItask("UPDATE_REPLAY")
# read the first frame, other frames are read automatically
self.readFrame()
def sendRT_SelfTestResponse(self, bus, errorId):
"""implementation of ApplicationSoftwareImpl.sendRT_SelfTestResponse"""
if bus == SPACE.IF.MIL_BUS_PF:
pktMnemonic = "XPSTMPK10131"
parErrorId = "XPSM184X"
else:
pktMnemonic = "XPSTMPK10631"
parErrorId = "XPSM684X"
tmPacketData = SPACE.IF.s_definitions.getTMpacketInjectData(
pktMnemonic, parErrorId, str(errorId))
# check the TM packet data
if tmPacketData == None:
LOG_ERROR("TM packet creation failed for " + pktMnemonic, "SPACE")
return False
# send the TM packet
return SPACE.IF.s_onboardComputer.generateTMpacket(tmPacketData)
def receiveTCframe(self, tcFrameDu):
"""TC frame received"""
sequenceNumber = tcFrameDu.sequenceNumber
if LINK.IF.s_configuration.enableCLCW:
# set the sequenceNumber for the next CLCWs that are sent to ground
# (e.g. with TC acknowledgements)
sequenceNumber = (sequenceNumber + 1) % 256
LINK.IF.s_tmFrameGenerator.setCLCWcount(sequenceNumber)
# used to update the GUI
UTIL.TASK.s_processingTask.notifyGUItask("TC_FRAME")
# extract the segment from the frame
try:
segment = tcFrameDu.getSegment()
except Exception, ex:
LOG_ERROR("segment extraction failed: " + str(ex), "LINK")
return
def listPacketsCmd(self, argv):
"""Decoded listPackets command"""
self.logMethod("listPacketsCmd", "SPACE")
# consistency check
if len(argv) != 1:
LOG_WARNING("invalid parameters passed", "SPACE")
return False
# read the MIB
try:
for tmPktDef in SPACE.IF.s_definitions.getTMpktDefs():
LOG(
tmPktDef.pktName + " (SPID = " + str(tmPktDef.pktSPID) +
") - " + tmPktDef.pktDescr, "SPACE")
except Exception, ex:
LOG_ERROR("MIB Error: " + str(ex), "SPACE")
return False
def getTMdataUnitType():
"""returns the NCTRS TM data unit type according to NCTRS_TM_DU_VERSION"""
global s_tmDUtype
if s_tmDUtype == None:
nctrsTMversion = UTIL.SYS.s_configuration.NCTRS_TM_DU_VERSION
if nctrsTMversion == "V0":
s_tmDUtype = GRND.NCTRSDU.TM_V0_ERT_FORMAT
elif nctrsTMversion == "V1_CDS1":
s_tmDUtype = GRND.NCTRSDU.TM_V1_CDS1_ERT_FORMAT
elif nctrsTMversion == "V1_CDS2":
s_tmDUtype = GRND.NCTRSDU.TM_V1_CDS2_ERT_FORMAT
elif nctrsTMversion == "V1_CDS3":
s_tmDUtype = GRND.NCTRSDU.TM_V1_CDS3_ERT_FORMAT
else:
LOG_ERROR("Invalid NCTRS_TM_DU_VERSION " + nctrsTMversion, "NCTRS")
sys.exit(-1)
return s_tmDUtype
def processFunctionService(self, apid, tcFunctionId, tcPacketDu):
"""
processes PUS Service (8,1) telecommand packet
implementation of ApplicationSoftwareImpl.processFunctionService
"""
if tcFunctionId == BS_Initialize:
LOG_INFO("*** BS_Initialize ***", "SPACE")
LOG("push HKTM", "SPACE")
return self.sendBS_Monitor()
elif tcFunctionId == BS_SetLocal:
LOG_INFO("*** BS_SetLocal ***", "SPACE")
LOG("set the SCOE into the LOCAL commanding mode", "SPACE")
self.commandingMode = EPWR_CMD_LOCAL
elif tcFunctionId == BS_SetRemote:
LOG_INFO("*** BS_SetRemote ***", "SPACE")
LOG("set the SCOE into the REMOTE commanding mode", "SPACE")
self.commandingMode = EPWR_CMD_REMOTE
elif tcFunctionId == BS_LockInstruments:
LOG_INFO("*** BS_LockInstruments ***", "SPACE")
LOG("not used for simulation", "SPACE")
elif tcFunctionId == BS_UnlockInstruments:
LOG_INFO("*** BS_UnlockInstruments ***", "SPACE")
LOG("not used for simulation", "SPACE")
elif tcFunctionId == BS_SetOnline:
LOG_INFO("*** BS_SetOnline ***", "SPACE")
LOG("set the SCOE into the ONLINE operation mode", "SPACE")
self.operationMode = EPWR_OP_ONLINE
return self.sendBS_Monitor()
elif tcFunctionId == BS_SetOffline:
LOG_INFO("*** BS_SetOffline ***", "SPACE")
LOG("set the SCOE into the OFFLINE operation mode", "SPACE")
self.operationMode = EPWR_OP_OFFLINE
return self.sendBS_Monitor()
elif tcFunctionId == BS_SelfTest:
LOG_INFO("*** BS_SelfTest ***", "SPACE")
# the SELFTEST is only allowed in OFFLINE mode
if self.operationMode == EPWR_OP_ONLINE:
LOG_ERROR("SELFTEST not allowed when system is ONLINE",
"SPACE")
return False
else:
# unexpected Function ID
LOG_WARNING(
"no simulation for Function ID " + str(tcFunctionId) +
" implemented", "SPACE")
return True
def sendFTH_MonitorProUST_withStringParam(self, paramName, paramValue,
paramSize):
"""sends the FTH_MonitorProUST TM packet to CCS"""
pktMnemonic = "FTH_MonitorProUST"
params = ""
values = ""
tmPacketData = SPACE.IF.s_definitions.getTMpacketInjectData(
pktMnemonic, params, values)
# check the TM packet data
if tmPacketData == None:
LOG_ERROR("TM packet creation failed for " + pktMnemonic, "SPACE")
return False
# force the correct parameter size and add the parameter
paramValue = (paramValue + (' ' * paramSize))[0:paramSize]
tmPacketData.parameterValuesList.append([paramName, paramValue])
# send the TM packet
return SPACE.IF.s_onboardComputer.generateTMpacket(tmPacketData)
def generateCmd(self, argv):
"""Decoded generate command"""
self.logMethod("generateCmd", "SPACE")
# consistency check
if len(argv) != 1:
LOG_WARNING("invalid parameters passed", "SPACE")
return False
# generate the testdata.sim file
definitionFileName = SCOS.ENV.s_environment.definitionFileName()
LOG("generate to " + definitionFileName, "SPACE")
try:
# update the TM definitions to ensure an actual testdata.sim
SPACE.IF.s_definitions.createDefinitions()
LOG(definitionFileName + " generated", "SPACE")
except Exception, ex:
LOG_ERROR("Generation Error: " + str(ex), "SPACE")
return False
def listPacketsCmd(self, argv):
"""Decoded listPackets command"""
self.logMethod("listPacketsCmd", "SPACE")
# consistency check
if len(argv) != 1:
LOG_WARNING("invalid parameters passed", "SPACE")
return False
# dump the packet definitions
try:
for tmPktDef in SUPP.IF.s_definitions.getTMpktDefs():
LOG("TM: " + tmPktDef.pktName + " (SPID = " + str(tmPktDef.pktSPID) + ") - " + tmPktDef.pktDescr, "SPACE")
for tcPktDef in SUPP.IF.s_definitions.getTCpktDefs():
LOG("TC: " + tcPktDef.pktName + " (APID = " + str(tcPktDef.pktAPID) + ", TYPE = " + str(tcPktDef.pktType) + ", STPYE = " + str(tcPktDef.pktSType) + ") - " + tcPktDef.pktDescr, "SPACE")
except Exception as ex:
LOG_ERROR("MIB Error: " + str(ex), "SPACE")
return False
return True
def sendTc_eScoe(self, tcSpacePDU, telecommandEchoStatus):
"""Send a (TC_E,SCOE) PDU to the CCS"""
if EGSE.IF.s_serverConfiguration.egseAck1 == EGSE.IF.ENABLE_ACK:
# normal processing
if telecommandEchoStatus == 0:
LOG_INFO("EDEN.Server.sendTc_eScoe(OK)")
else:
LOG_ERROR("EDEN.Server.sendTc_eScoe(ERROR)")
elif EGSE.IF.s_serverConfiguration.egseAck1 == EGSE.IF.ENABLE_NAK:
LOG_WARNING("force ERROR for (TC_E,SCOE)")
telecommandEchoStatus = 1
else:
LOG_WARNING("suppress (TC_E,SCOE)")
return
tc_eScoePDU = EGSE.EDENPDU.TC_Escoe(tcSpacePDU.buffer)
tc_eScoePDU.telecommandEchoStatus = telecommandEchoStatus
self.sendPDU(tc_eScoePDU)
def init():
# initialise singleton(s)
mission = UTIL.SYS.s_configuration.ASW_MISSION
if mission == "MTG":
SPACE.IF.s_applicationSoftware = MTGapplicationSoftwareImpl()
elif mission == "S4":
SPACE.IF.s_applicationSoftware = S4applicationSoftwareImpl()
elif mission == "EUCLID_BS":
SPACE.IF.s_applicationSoftware = EUCLIDpowerFEEsim_BS()
elif mission == "EUCLID_FTH":
SPACE.IF.s_applicationSoftware = EUCLIDpowerFEEsim_FTH()
elif mission == "EUCLID_LPSN":
SPACE.IF.s_applicationSoftware = EUCLIDpowerFEEsim_LPS_SAS(True)
elif mission == "EUCLID_LPSR":
SPACE.IF.s_applicationSoftware = EUCLIDpowerFEEsim_LPS_SAS(False)
else:
LOG_ERROR("No ASW implementation for mission " + mission + " present",
"SPACE")
def generateEmptyTMpacketBySPID(self, spid):
"""
generates an empty TM packet (all parameters are zero):
implementation of SPACE.IF.OnboardComputer.generateEmptyTMpacketBySPID
"""
params = ""
values = ""
tmStruct = None
tmPacketData = SUPP.IF.s_definitions.getTMpacketInjectDataBySPID(
spid, params, values, tmStruct)
# check the TM packet data
if tmPacketData == None:
LOG_ERROR("TM packet creation failed for SPID " + str(spid),
"SPACE")
return False
# send the TM packet
return self.generateTMpacket(tmPacketData)
def pushTMpacket(self, tmPacketDu, ertUTC):
"""
consumes a telemetry packet:
implementation of MC.IF.TMmodel.pushTMpacket
"""
LOG_INFO("pushTMpacket", "TM")
# other packet info
LOG("APID = " + str(tmPacketDu.applicationProcessId), "TM")
LOG("SSC = " + str(tmPacketDu.sequenceControlCount), "TM")
if PUS.PACKET.isPUSpacketDU(tmPacketDu):
# PUS packet
object.__setattr__(tmPacketDu, "attributeMap2", PUS.PACKET.TM_PACKET_DATAFIELD_HEADER_ATTRIBUTES)
LOG("TYPE = " + str(tmPacketDu.serviceType), "TM")
LOG("SUBTYPE = " + str(tmPacketDu.serviceSubType), "TM")
# the existence of a CRC for PUS packets is mission dependant
# for SCOS-2000 compatibility we expect a CRC
if not tmPacketDu.checkChecksum():
LOG_ERROR("invalid TM packet CRC", "TM")
else:
# CCSDS packet
LOG("non-PUS packet", "TM")
LOG("tmPacketDu = " + str(tmPacketDu), "TM")
try:
# try to decode the packet
tmPacketKey = SUPP.IF.s_definitions.getTMpacketKey(tmPacketDu)
LOG("KEY = " + str(tmPacketKey), "TM")
tmPktDef = SUPP.IF.s_definitions.getTMpktDefBySPID(tmPacketKey)
if tmPktDef == None:
LOG_WARNING("packet cannot be identified - don't decode it", "TM")
else:
tmStructDef = tmPktDef.tmStructDef
structBitPos = (CCSDS.PACKET.PRIMARY_HEADER_BYTE_SIZE + tmPktDef.pktDFHsize) << 3
tmStruct = PUS.VP.Struct(tmStructDef)
tmStruct.decode(tmPacketDu, structBitPos)
LOG("tmStruct =" + str(tmStruct), "TM")
except Exception as ex:
LOG_WARNING("packet cannot be decoded: " + str(ex), "TM")
# processing of PUS telecommands
if PUS.PACKET.isPUSpacketDU(tmPacketDu) and tmPacketDu.serviceType == PUS.SERVICES.TC_ACK_TYPE:
# packet is a PUS TC Acknowledgement command
MC.IF.s_tcModel.notifyTCack(tmPacketDu.serviceSubType)
# forward the TM packet also to the TM recorder
# where the packet is recorded on demand
SUPP.IF.s_tmRecorder.pushTMpacket(tmPacketDu, ertUTC)
