def SBusClientFieldResponse(cmdcode, telegramattr, msgsequence, msgdata): """Construct the report for a SBus field message response. cmdcode (integer) = Command code. telegramattr (integer) = Telegram attribute. msgsequence (integer) = Message sequence. msgdata (string) = The response data as a binary string. """ try: if cmdcode in [2, 3, 5, 11, 13]: reportreqdata = _BoolList2Str(ModbusDataLib.bin2boollist(msgdata)) elif cmdcode in [6, 14]: reportreqdata = binascii.hexlify(msgdata) else: reportreqdata = 'No data.' # This splits the string up into groups separated by # spaces to allow line breaks on the report web page. reportstr = BreakString(reportreqdata) return _sbsclientrespreportstr % (telegramattr, msgsequence, reportstr) # If there was an error, we just ignore it and log some default data. except: return _sbsclientrespreportstr % (0, 0, 0, 'Response data error.')
def SBusClientFieldRequest(msgsequence, stnaddr, cmdcode, dataaddr, datacount,
msgdata):
"""Construct the report for a SBus field message request.
msgsequence (integer) = Message sequence.
stnaddr (integer) = Station address.
cmdcode (integer) = Command code.
dataaddr (integer) = Starting data table address.
datacount (integer) = Number of data elements.
msgdata (string) = The raw binary string containing the message data.
"""
try:
if cmdcode in [2, 3, 5, 6]:
reportreqdata = ''
elif cmdcode in [11, 13]:
reportreqdata = _BoolList2Str(ModbusDataLib.bin2boollist(msgdata))
elif cmdcode == 14:
reportreqdata = binascii.hexlify(msgdata)
else:
reportreqdata = 'No data.'
# This splits the string up into groups separated by
# spaces to allow line breaks on the report web page.
reportstr = BreakString(reportreqdata)
return _sbsclientreqreportstr % (msgsequence, stnaddr, cmdcode,
dataaddr, datacount, reportstr)
# If there was an error, we just ignore it and log some default data.
except:
return _sbsclientreqreportstr % (0, 0, 0, 0, 0, 'Request data error.')
def SBusClientFieldResponse(cmdcode, telegramattr, msgsequence, msgdata):
"""Construct the report for a SBus field message response.
cmdcode (integer) = Command code.
telegramattr (integer) = Telegram attribute.
msgsequence (integer) = Message sequence.
msgdata (string) = The response data as a binary string.
"""
try:
if cmdcode in [2, 3, 5, 11, 13]:
reportreqdata = _BoolList2Str(ModbusDataLib.bin2boollist(msgdata))
elif cmdcode in [6, 14]:
reportreqdata = binascii.hexlify(msgdata)
else:
reportreqdata = 'No data.'
# This splits the string up into groups separated by
# spaces to allow line breaks on the report web page.
reportstr = BreakString(reportreqdata)
return _sbsclientrespreportstr % (telegramattr, msgsequence, reportstr)
# If there was an error, we just ignore it and log some default data.
except:
return _sbsclientrespreportstr % (0, 0, 0, 'Response data error.')
def SBusClientFieldRequest(msgsequence, stnaddr, cmdcode, dataaddr, datacount, msgdata): """Construct the report for a SBus field message request. msgsequence (integer) = Message sequence. stnaddr (integer) = Station address. cmdcode (integer) = Command code. dataaddr (integer) = Starting data table address. datacount (integer) = Number of data elements. msgdata (string) = The raw binary string containing the message data. """ try: if cmdcode in [2, 3, 5, 6]: reportreqdata = '' elif cmdcode in [11, 13]: reportreqdata = _BoolList2Str(ModbusDataLib.bin2boollist(msgdata)) elif cmdcode == 14: reportreqdata = binascii.hexlify(msgdata) else: reportreqdata = 'No data.' # This splits the string up into groups separated by # spaces to allow line breaks on the report web page. reportstr = BreakString(reportreqdata) return _sbsclientreqreportstr % (msgsequence, stnaddr, cmdcode, dataaddr, datacount, reportstr) # If there was an error, we just ignore it and log some default data. except: return _sbsclientreqreportstr % (0, 0, 0, 0, 0, 'Request data error.')
def ModbusClientFieldRequest(transid, uid, functioncode, start, qty, msgdata): """Construct the report for a Modbus/TCP field message request. transid (integer) = The transaction id. uid (integer) = The unit id. functioncode (integer) = The function code. start (integer) = The starting data table address. qty (integer) = The number of items requested. msgdata (string) = The raw binary string containing the message data. """ try: if functioncode in [1, 2, 3, 4]: reportreqdata = '' elif functioncode in [5, 6, 16]: reportreqdata = binascii.hexlify(msgdata) elif (functioncode == 15): reportreqdata = _BoolList2Str(ModbusDataLib.bin2boollist(msgdata)) else: reportreqdata = 'No data.' # This splits the string up into groups separated by # spaces to allow line breaks on the report web page. reportstr = BreakString(reportreqdata) return _reqreportstr % (transid, uid, functioncode, start, qty, reportstr) # If there was an error, we just ignore it and log some default data. except: return _reqreportstr % (0, 0, 0, 0, 0, 'Request data error.')
def ModbusClientFieldResponse(transid, functioncode, msgdata): """Construct the report for a Modbus/TCP field message request. transid (integer) = The transaction id. functioncode (integer) = The function code. msgdata (string) = The response data as a binary string. """ try: if functioncode in [1, 2]: reportrespdata = _BoolList2Str(ModbusDataLib.bin2boollist(msgdata)) elif functioncode in [3, 4, 5, 6, 15, 16]: reportrespdata = binascii.hexlify(msgdata) elif functioncode > 127: reportrespdata = binascii.hexlify(msgdata) else: reportrespdata = 'No data.' # This splits the string up into groups separated by # spaces to allow line breaks on the report web page. reportstr = BreakString(reportrespdata) return _respreportstr % (transid, functioncode, reportstr) # If there was an error, we just ignore it and log some default data. except: return _respreportstr % (0, 0, 'Response data error.')
def ModbusClientFieldResponse(transid, functioncode, msgdata):
"""Construct the report for a Modbus/TCP field message request.
transid (integer) = The transaction id.
functioncode (integer) = The function code.
msgdata (string) = The response data as a binary string.
"""
try:
if functioncode in [1, 2]:
reportrespdata = _BoolList2Str(ModbusDataLib.bin2boollist(msgdata))
elif functioncode in [3, 4, 5, 6, 15, 16]:
reportrespdata = binascii.hexlify(msgdata)
elif functioncode > 127:
reportrespdata = binascii.hexlify(msgdata)
else:
reportrespdata = 'No data.'
# This splits the string up into groups separated by
# spaces to allow line breaks on the report web page.
reportstr = BreakString(reportrespdata)
return _respreportstr % (transid, functioncode, reportstr)
# If there was an error, we just ignore it and log some default data.
except:
return _respreportstr % (0, 0, 'Response data error.')
def ModbusClientFieldRequest(transid, uid, functioncode, start, qty, msgdata):
"""Construct the report for a Modbus/TCP field message request.
transid (integer) = The transaction id.
uid (integer) = The unit id.
functioncode (integer) = The function code.
start (integer) = The starting data table address.
qty (integer) = The number of items requested.
msgdata (string) = The raw binary string containing the message data.
"""
try:
if functioncode in [1, 2, 3, 4]:
reportreqdata = ''
elif functioncode in [5, 6, 16]:
reportreqdata = binascii.hexlify(msgdata)
elif (functioncode == 15):
reportreqdata = _BoolList2Str(ModbusDataLib.bin2boollist(msgdata))
else:
reportreqdata = 'No data.'
# This splits the string up into groups separated by
# spaces to allow line breaks on the report web page.
reportstr = BreakString(reportreqdata)
return _reqreportstr % (transid, uid, functioncode, start, qty,
reportstr)
# If there was an error, we just ignore it and log some default data.
except:
return _reqreportstr % (0, 0, 0, 0, 0, 'Request data error.')
def GetServerData(cmd, adr, qty):
MsgSeqCounter.incseq()
# Send the request.
client.SendRequest(MsgSeqCounter.getseq(), 1, cmd, qty, adr)
# Get the reply.
TeleAttr, MsgSeq, MsgData = client.ReceiveResponse()
# Decode the data.
if (cmd in (2, 3, 5)):
try:
values = ModbusDataLib.bin2boollist(MsgData)
except:
return []
elif (cmd == 6):
try:
values = SBusMsg.signedbin2int32list(MsgData)
except:
return []
else:
print('Bad command code %s when reading data.' % cmd)
return []
return values
def GetServerData(func, adr, qty):
try:
# Send the request.
client.SendRequest(1, 1, func, adr, qty)
# Get the reply.
TransID, rfunct, Address, Qty, MsgData, Excode = client.ReceiveResponse()
except:
print('Demosim - lost contact with server - exiting')
sys.exit()
# Decode the data.
if (rfunct in [1, 2]):
values = ModbusDataLib.bin2boollist(MsgData)
elif (rfunct in [3, 4]):
values = ModbusDataLib.signedbin2intlist(MsgData)
else:
print('Demosim - Bad function code %s when reading data.' % rfunct)
# Provide a default based on the sending function.
if (func in [1, 2]):
values = [False] * 8
elif (funct in [3, 4]):
values = [0] * 8
return values
def GetCoilsBool(self, addr): """Read coils from the host (function 1). addr (integer) = Modbus coil address. """ return ModbusDataLib.bin2boollist(self._ModbusRequest(1, addr, 1, None))[0]
def GetDiscreteInputsBool(self, addr): """Read discrete inputs from the host (function 2). addr (integer) = Modbus discrete inputs address. """ return ModbusDataLib.bin2boollist(self._ModbusRequest(2, addr, 1, None))[0]
def GetFlagsBool(self, addr): """Read flags from the host (command 2). addr (integer) = SBus flags address. """ return ModbusDataLib.bin2boollist(self._SBusRequest(2, addr, 1, None))[0]
def GetOutputsBool(self, addr): """Read outputs from the host (command 5). addr (integer) = SBus outputs address. """ return ModbusDataLib.bin2boollist(self._SBusRequest(5, addr, 1, None))[0]
def NextCommand(self, readtable, servercmd):
"""This should execute the next command, whatever it is. This
is called regularly by GenClient.
Parameters: readtable (dict) = A dictionary containing a mirror of the
requested portion of the server data table. E.g.
{'coil' : [True, False, True, True], 'inp' : [True, False, True, True],
'inpreg' : [], 'holdingreg' : [1234, 5678]}
servercmd (string) = A command from the server. This will
consist of one of the following:
'run' = Run normally.
'pause' = Pause operation.
'restart' = A restart is requested. The restart
request will remain in effect until new
parameters are loaded.
Returns: dict, float =
- A dictionary in the same format as the "readtable" input parameter. This
will contain the data to be written to the server.
- The time in seconds to wait before running this function again.
Data table items in excess of those configured for transfer will be ignored.
"""
# First check if we've got a good parameter set.
if not self._ConfigOK:
# Set the connection status.
self._ConnectStatus = 'stopped'
nextpoll = 1.0
return self._WriteTable, nextpoll
# Get the next command.
try:
cmdname, cmdvalue = self._CommandIter.next()
nextpoll = self._CommandTime
except StopIteration:
self._CommandIter = iter(self._CommandList)
cmdname, cmdvalue = self._CommandIter.next()
nextpoll = self._RepeatTime
# See what the command says we should do. A typical command looks like this:
# [('action', 'poll'), ('stn', 1), ('cmd', 3), ('remoteaddr', 0),
# ('qty', 10), ('datatype', 'coil'), ('dataoffset', 0)]
cmdexp = dict(cmdvalue)
cmd = cmdexp['cmd']
datatype = cmdexp['datatype']
dataoffset = cmdexp['dataoffset']
qty = cmdexp['qty']
# This is a write command, so we need data.
# Write flags or outputs.
if cmd in (11, 13):
msgdata = ModbusDataLib.boollist2bin(readtable[datatype][dataoffset:dataoffset + qty])
# Write registers. SBus registers are 32 bit, so we need 2 Modbus
# registers for each SBus register.
elif cmd == 14:
msgdata = ModbusDataLib.signedintlist2bin(readtable[datatype][dataoffset:dataoffset + (qty * 2)])
else:
msgdata = ''
# #####################################
# If we have an error, then bail out, close the socket and set an error
# code. Set the client to None so we will re-initialise on the next round.
# Create the client if necessary.
if self._SBusClient == None:
self._SBusClient = SBusSimpleClient.SBusSimpleClient(self._Host, self._Port, self._TimeOut)
self._MsgSeq += 1
try:
# Send the request.
self._SBusClient.SendRequest(self._MsgSeq, cmdexp['stn'], cmd, qty, cmdexp['remoteaddr'], msgdata)
# Get the response.
telegramattr, recvmsgseq, recvdata = self._SBusClient.ReceiveResponse()
# If we have an error, bail out here.
except:
self._SBusClient = None
self._ConnectStatus = 'faulted'
self._AddCmdStatus(cmdname, 'connection')
# Exit here if error.
return {}, 0.5
# #####################################
# This is a read command, so we need to save the data.
# Read flags, inputs, or outputs.
if (cmd in (2, 3, 5)) and (telegramattr == 1):
booldata = ModbusDataLib.bin2boollist(recvdata)
self._WriteTable[datatype][dataoffset:dataoffset + qty] = booldata[:qty]
# Set the connection status.
self._ConnectStatus = 'running'
self._AddCmdStatus(cmdname, 'ok')
# Read registers.
elif (cmd == 6) and (telegramattr == 1):
regdata = ModbusDataLib.signedbin2intlist(recvdata)
# SBus registers are twice the size of Modbus registers.
self._WriteTable[datatype][dataoffset:dataoffset + (qty * 2)] = regdata[:qty * 2]
# Set the connection status.
self._ConnectStatus = 'running'
self._AddCmdStatus(cmdname, 'ok')
# This was a write and the response was an ack or nak.
elif (cmd in (11, 13, 14)) and (telegramattr == 2):
# Decode the ack/nak
acknak = ModbusDataLib.BinStr2SignedInt(recvdata)
# The Ack was OK.
if acknak != 0:
self._ConnectStatus = 'faulted'
self._AddCmdStatus(cmdname, 'deviceerr')
else:
# Set the connection status.
self._ConnectStatus = 'running'
self._AddCmdStatus(cmdname, 'ok')
else:
self._ConnectStatus = 'faulted'
self._AddCmdStatus(cmdname, 'deviceerr')
return self._WriteTable, nextpoll
def GetFlagsBool(self, addr):
"""Read flags from the host (command 2).
addr (integer) = SBus flags address.
"""
return ModbusDataLib.bin2boollist(self._SBusRequest(2, addr, 1,
None))[0]
def GetDiscreteInputsBool(self, addr):
"""Read discrete inputs from the host (function 2).
addr (integer) = Modbus discrete inputs address.
"""
return ModbusDataLib.bin2boollist(self._ModbusRequest(
2, addr, 1, None))[0]
def GetOutputsBool(self, addr):
"""Read outputs from the host (command 5).
addr (integer) = SBus outputs address.
"""
return ModbusDataLib.bin2boollist(self._SBusRequest(5, addr, 1,
None))[0]
def GetCoilsBool(self, addr):
"""Read coils from the host (function 1).
addr (integer) = Modbus coil address.
"""
return ModbusDataLib.bin2boollist(self._ModbusRequest(
1, addr, 1, None))[0]
