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)