def test_basic_sync_serial_client(self):
""" Test the basic methods for the serial sync client"""
# receive/send
client = ModbusSerialClient()
client.socket = MockSocket()
self.assertEqual(0, client.send(None))
self.assertEqual(1, client.send('\x00'))
self.assertEqual('\x00', client.receive(1))
# connect/disconnect
self.assertTrue(client.connect())
client.close()
# already closed socket
client.socket = False
client.close()
self.assertEqual('ascii baud[19200]', str(client))
def test_basic_sync_serial_client(self):
""" Test the basic methods for the serial sync client"""
# receive/send
client = ModbusSerialClient()
client.socket = MockSocket()
self.assertEqual(0, client.send(None))
self.assertEqual(1, client.send('\x00'))
self.assertEqual('\x00', client.receive(1))
# connect/disconnect
self.assertTrue(client.connect())
client.close()
# already closed socket
client.socket = False
client.close()
self.assertEqual('ascii baud[19200]', str(client))
exit(1)
start = time.time()
rr = client.read_holding_registers(0xE000, 1, unit=0)
assert (rr.function_code < 0x80)
print(rr)
#data = client.read_coils(READ_COILS_PDU_Addr_Test_1, 1)
stop = time.time()
if data:
succ = "was successful"
else:
succ = "failed"
print("read %s, time spent reading: %fs" % (succ, stop - start))
print("Data read:")
print(data)
client.close()
try:
data = client.read_coils(READ_COILS_PDU_Addr_Test_1, 1)
stop = time.time()
if data:
succ = "was successful"
else:
succ = "failed"
print("read %s, time spent reading: %fs" % (succ, stop - start))
print("Data read:")
print(data)
client.close()
except pymodbus3.exceptions.ModbusIOException:
print("SHIT!!!")
print(pymodbus3.exceptions.ModbusIOException.__cause__)
print(pymodbus3.exceptions.ModbusIOException.__context__)
class Modbus():
# Init modbus device
def __init__(self):
self._client = ModbusClient(method='rtu',
port = PORT,
bytesize = BITS,
parity = PARITY,
baudrate = BAUDRATE,
timeout = 1)
if self._client.connect() == False:
logger_modbus.error(bcolors.FAIL + "*******************************" + bcolors.ENDC)
logger_modbus.error(bcolors.FAIL + "*** ERROR, DEVICE NOT FOUND ***" + bcolors.ENDC)
logger_modbus.error(bcolors.FAIL + "*******************************" + bcolors.ENDC)
time.sleep(1)
return
# Delete modbus device
def __del__(self):
logger_modbus.info("Delete modbus device")
self.close_connection()
return
# Toggle relay
def toggle_relay(self, channel, address):
try:
ret = self._client.write_register(channel, 0x0300, unit=address)
except:
logger_modbus.error(bcolors.FAIL + "Error, slave %s not responde!" + bcolors.ENDC, address)
return -1
logger_modbus.info("Toggle relay %s" %ret)
return ret
# Read status relay
def read_status_relay(self, channel, address):
try:
ret = self._client.read_holding_registers(channel, unit=address)
except:
logger_modbus.error(bcolors.FAIL + "Error, slave %s not responde!" + bcolors.ENDC, address)
return -1
logger_modbus.info("Status relay channel %d: %s" % (channel, int(ret.registers[0])))
return int(ret.registers[0])
# Close device
def close_connection(self):
logger_modbus.info("Close connection!")
self._client.close()
return 0
