def __init__(self):
"""Constructor"""
Simulator.__init__(self, modbus_tcp.TcpServer())
# create a slave and block
slave = self.server.add_slave(1)
slave.add_block("foo", HOLDING_REGISTERS, 0, 100)
def __init__(self, *args, **kwargs):
"""Constructor"""
Simulator.__init__(self, *args, **kwargs)
# add a new command: cv will make possible to change a value
self.add_command("cv", self.change_value)
# create a slave and block
slave = self.server.add_slave(1)
slave.add_block("foo", HOLDING_REGISTERS, 0, 100)
def __init__(self):
"""Constructor"""
Simulator.__init__(self)
# add a new command: cv will make possible to change a value
self.add_command("cv", self.change_value)
# create a slave and block
slave = self.server.add_slave(1)
slave.add_block("foo", HOLDING_REGISTERS, 0, 100)
def __init__(self, mode, port, baud=None, hostname=None, verbose=None):
self.rtu = None
self.mode = mode
if self.mode == 'rtu' and baud and port:
self.rtu = serial.Serial(port=port, baudrate=baud)
Simulator.__init__(self, ModbusRtuServer(self.rtu))
# timeout is too fast for 19200 so increase a little bit
self.server._serial.timeout *= 2
self.server._serial.interCharTimeout *= 2
LOGGER.info('Initializing modbus %s simulator: baud = %d port = %s parity = %s' % (self.mode, baud, port, self.rtu.parity))
LOGGER.info('stop bits = %d xonxoff = %d' % (self.rtu.stopbits, self.rtu.xonxoff))
elif self.mode == 'tcp' and hostname and port:
Simulator.__init__(self, TcpServer(address=hostname, port=port))
LOGGER.info('Initializing modbus %s simulator: addr = %s port = %s' % (self.mode, hostname, port))
else:
raise ModbusSimError('Unknown mode: %s' % (mode))
self.server.set_verbose(True)
def main():
"""main"""
#create the object for getting CPU data
data_collector = SystemDataCollector(5)
#create the thread in charge of calling the data collector
system_monitor = WorkerThread(data_collector.collect)
#create the modbus TCP simulator and one slave
#and one block of analog inputs
simu = Simulator(TcpServer())
slave = simu.server.add_slave(1)
slave.add_block("Cpu", defines.ANALOG_INPUTS, 0, 10)
try:
LOGGER.info("'quit' for closing the server")
#start the data collect
system_monitor.start()
#start the simulator! will block until quit command is received
simu.start()
except Exception as excpt:
print excpt
finally:
#close the simulator
simu.close()
#stop the data collect
system_monitor.stop()