class SerialRtuChannel(BaseChannel):
def __init__(self, network, channel_name, channel_protocol, channel_params, channel_manager, channel_type):
self.port = channel_params.get("port", "")
self.stopbits = channel_params.get("stopbits", serial.STOPBITS_ONE)
self.parity = channel_params.get("parity", serial.PARITY_NONE)
self.bytesize = channel_params.get("bytesize", serial.EIGHTBITS)
self.baudrate = channel_params.get("baudrate", 9600)
self.timeout = channel_params.get("timeout", 2)
self.modbus_client = None
BaseChannel.__init__(self, network, channel_name, channel_protocol, channel_params, channel_manager,
channel_type)
def run(self):
self.modbus_client = ModbusSerialClient(method='rtu',
port=self.port,
baudrate=self.baudrate,
stopbits=self.stopbits,
parity=self.parity,
bytesize=self.bytesize,
timeout=self.timeout)
try:
self.modbus_client.connect()
logger.debug("连接串口成功.")
except Exception, e:
logger.error("连接串口失败，错误信息：%r." % e)
self.modbus_client = None
def pa
#---------------------------------------------------------------------------#
#---------------------------------------------------------------------------#
# configure the client logging
#---------------------------------------------------------------------------#
import logging
logging.basicConfig()
log = logging.getLogger()
log.setLevel(logging.INFO)
for port in ['/dev/ttyxuart3']:
client = ModbusClient(method='rtu', port=port, baudrate=9600, timeout=1, retries=1)
client.connect()
try:
for addr in [3,10]:
# for addr in xrange(10,15):
print ('Meter Modbus Address: %d' % addr)
# regs = client.read_holding_registers(768,120,unit=addr); print regs.registers if regs else None
# regs = client.read_holding_registers(128,4,unit=addr); print regs.registers if regs else None
regs = client.read_holding_registers(142,8,unit=addr); print regs.registers if regs else None
for addr in xrange(5,9):
print ('Inverter Modbus Address: %d' % addr)
regs = client.read_holding_registers(33,10,unit=addr); print regs.registers if regs else None
except AttributeError, e:
print 'Device not responding'
finally:
def main(host, port, mqtt_username, mqtt_password, instance, name, serial_port):
modbus = ModbusClient(method='rtu', port=serial_port, baudrate=9600, timeout=1)
if not modbus.connect():
logger.error("Cannot connect to modbus")
return
client = mqtt.Client()
client.loop_start()
client.connect(host, port, 60)
if mqtt_username is not None:
client.username_pw_set(mqtt_username, mqtt_password)
try:
while True:
now = int(time())
r = modbus.read_holding_registers(0, 16, unit=1)
bat_volt = r.registers[8] * 96.667 * 2**(-15)
bat_curr = r.registers[11] * 316.67 * 2**(-15)
bat_temp = r.registers[15]
client.publish('{}/{}/power'.format(instance, name), "{} {:0.2f}".format(now, bat_volt * bat_curr), 0)
client.publish('{}/{}/voltage'.format(instance, name), "{} {:0.2f}".format(now, bat_volt), 0)
client.publish('{}/{}/current'.format(instance, name), "{} {:0.2f}".format(now, bat_curr), 0)
client.publish('{}/{}/temperature'.format(instance, name), "{} {}".format(now, bat_temp), 0)
sleep(5)
except KeyboardInterrupt:
pass
client.disconnect()
client.loop_stop()
modbus.close()
def main(args):
global PUMP_TIME
global SENSOR_TIME
try:
PUMP_TIME = int(args[1])
SENSOR_TIME = int(args[2])
print('using custom args. pump time: %d sensor time: %d' % (PUMP_TIME, SENSOR_TIME))
except:
PUMP_TIME = 3
SENSOR_TIME = 5
print('using default args. pump time: %d sensor time: %d' % (PUMP_TIME, SENSOR_TIME))
startMeasurement()
# Connect to sensor and record data
try:
client = ModbusClient(method = "rtu", port="/dev/ttyS0",stopbits = 1, bytesize = 8, parity = 'N', baudrate= 9600)
# Connect to the serial modbus server
connection = client.connect()
if connection:
recordData(client)
# Closes the underlying socket connection
client.close()
except Exception as error:
print('CO2 measurement failed: ' + repr(error))
finally:
endMeasurement()
def run(self):
global tCtrl
_sample=select(tCtrl.samples,'id',self.id)
_protocol=select(tCtrl.protocols,'id',_sample.properties['protocol_id'])
_transport=select(tCtrl.transports,'id',_sample.properties['transport_id'])
_rule=select(tCtrl.rules,'id',_sample.properties['rule_id'])
_method=_protocol.properties['method']
_port=_transport.properties['port']
_para=_transport.properties['para']
_timeout=int(_transport.properties['timeout'])/1000.0
client = ModbusClient(method=_method, port=_port,baudrate= \
Baudrate(_para),bytesize=Bytesize(_para),parity=Parity(_para),\
stopbits=Stopbits(_para),timeout=_timeout)
_index=int(_rule.properties['index'])
_count=int(_rule.properties['count'])
_unit_begin=Begin(_rule.properties['range'])
_unit_end=End(_rule.properties['range'])
client.connect()
self.interval = int(_protocol.properties['period'])
while not self.thread_stop:
for i in range(_unit_begin,_unit_end):
start_ = datetime.utcnow()
response=client.read_holding_registers(address=_index, \
count=_count,unit=i)
tCtrl.samples[self.index].data[i]=response.registers
print response.registers #getRegister(1)/10.0
end_ = datetime.utcnow()
print '[cost time] %s' %(end_-start_)
time.sleep(self.interval)
def __init__(self, remote, timeout=0.01):
if len(remote.split("."))==3:
#we probably have a TCP request
print "TCP connection to: ", remote
self.client=ModbusTcpClient(remote, 502)
self.__modbus_timeout=timeout
else:
if os.name!="posix" and timeout<0.03:
print "RS485 timeout too low, using 0.03 seconds"
self.__modbus_timeout=0.03
else:
self.__modbus_timeout=timeout
print "RS485 connection to: ", remote
self.client=ModbusSerialClient(method="rtu", port=remote, stopbits=1,bytesize=8,
parity="N",baudrate=38400, timeout=self.__modbus_timeout)
#print self.client.connect()
#motor tresholds, use default values unless a calibration file is loaded
self.neutral=125*np.ones(5, dtype='int8')
self.min_fwd=1*np.ones(5, dtype='int8')
self.min_bwd=-1*np.ones(5, dtype='int8')
self.motor_max=80#seems constant across all AUVs
#flag for motors mounted the wrong way
self.motor_spin=1*np.ones(5, dtype='int8')
#flag if the motors are calibrated
self.calib=False
#flag to exit watchdog thread
self.exit=False
self.alarms_byte=0
self.__status=[0 for _ in range(16)]
self.alarms_list=[[False]*12,
['Water ingress main compartment',
'Water ingress left battery',
'Water ingress right battery',
'Overheating',
'Low power',
'Over consumption',
'Maximum depth',
'Start error',
'SPI error',
'I2C error'
]]
self.rwlock=threading.Lock()
self.statuslock=threading.Lock()
self.__motors_values=[0,0,0,0,0]
self.modbus_write(1, 0xC000)#wtf ?!
print "rock'n roll baby"
#launch watchdog thread and exit __init__
threading.Thread(target=self.__keep_alive).start()
class PyModbusClient(BaseModbusClient):
def __init__(self, *args, **kwargs):
super(PyModbusClient, self).__init__(*args, **kwargs)
if self.method == "tcp":
from pymodbus.client.sync import ModbusTcpClient
self.client = ModbusTcpClient(self.host, self.port)
else:
from pymodbus.client.sync import ModbusSerialClient
argnames = ("stopbits", "bytesize", "parity", "baudrate", "timeout")
kwargs = dict((k, getattr(self, k)) for k in argnames)
kwargs.update({
"port": self.host,
})
self.client = ModbusSerialClient(self.method, **kwargs)
def read_coils(self, address, count):
resp = self.client.read_coils(address, count, unit=self.unit)
if resp is None:
raise NoDeviceResponse()
return resp.bits[:count]
def write_coil(self, address, value):
resp = self.client.write_coil(address, int(value), unit=self.unit)
if resp is None:
raise NoDeviceResponse()
return resp.value
def testSerialClientSend(self):
''' Test the serial client send method'''
client = ModbusSerialClient()
self.assertRaises(ConnectionException, lambda: client._send(None))
client.socket = mockSocket()
self.assertEqual(0, client._send(None))
self.assertEqual(4, client._send('1234'))
def testSerialClientRecv(self):
''' Test the serial client receive method'''
client = ModbusSerialClient()
self.assertRaises(ConnectionException, lambda: client._recv(1024))
client.socket = mockSocket()
self.assertEqual('', client._recv(0))
self.assertEqual('\x00'*4, client._recv(4))
def testSerialClientSend(self, mock_serial):
''' Test the serial client send method'''
mock_serial.in_waiting = None
mock_serial.write = lambda x: len(x)
client = ModbusSerialClient()
self.assertRaises(ConnectionException, lambda: client._send(None))
# client.connect()
client.socket = mock_serial
self.assertEqual(0, client._send(None))
self.assertEqual(4, client._send('1234'))
def testSerialClientConnect(self):
''' Test the serial client connection method'''
with patch.object(serial, 'Serial') as mock_method:
mock_method.return_value = object()
client = ModbusSerialClient()
self.assertTrue(client.connect())
with patch.object(serial, 'Serial') as mock_method:
mock_method.side_effect = serial.SerialException()
client = ModbusSerialClient()
self.assertFalse(client.connect())
def __init__(self):
ModbusClient.__init__(self,method='rtu')
self.port=0
self.baudrate=9600
self.bytesize=8
self.parity="E"
self.stopbits=1
self.timeout=1
self.connect()
self.unit=1 #slave address
self.nms={"pv":0x3,"sv":0x2,}
def CONNECT_TO_METER():
try:
client = None
METER_PORT = find_tty_usb(ID_VENDOR, ID_PRODUCT) #reading to which port rs485(client) is connected
client = ModbusClient(retries = RETRIES, method=COM_METHOD, port=METER_PORT, baudrate=BAUD_RATE, stopbits=STOP_BITS, parity=PARITY, bytesize=BYTE_SIZE, timeout=TIME_OUT)
client.connect()
return client
except Exception as e:
lgr.error('Error while connecting client: ', exc_info = True)
print "Error while connecting client: \n"+e.__str__()
def serialinit(): try: client = ModbusClient(method='ascii', port='/dev/ttyMP2', parity='E', timeout=1 ) val = client.connect() if val: print "Connection open to client." return client else: print "Error in Client Connection!" return None except: return None
class SerialRtuChannel(BaseChannel):
def __init__(self, channel_params, devices_file_name, protocol, mqtt_client, network_name):
BaseChannel.__init__(self, channel_params, devices_file_name, protocol, mqtt_client, network_name)
# 配置项
self.port = channel_params.get("port", "")
self.baund = channel_params.get("baund", 9600)
self.stopbits = channel_params.get("stopbits", serial.STOPBITS_ONE)
self.parity = channel_params.get("parity", serial.PARITY_NONE)
self.bytesize = channel_params.get("bytesize", serial.EIGHTBITS)
self.timeout = channel_params.get("timeout", 2)
self.protocol.set_device_info(self.port, self.baund)
# modbus通信对象
self.modbus_client = ModbusSerialClient(method='rtu',
port=self.port,
baudrate=self.baund,
stopbits=self.stopbits,
parity=self.parity,
bytesize=self.bytesize,
timeout=self.timeout)
@staticmethod
def check_config(channel_params):
if "port" not in channel_params or "baund" not in channel_params:
return False
return BaseChannel.check_config(channel_params)
def run(self):
# 首先上报设备数据
for device_id in self.devices_info_dict:
device_info = self.devices_info_dict[device_id]
device_msg = {
"device_id": device_info["device_id"],
"device_type": device_info["device_type"],
"device_addr": device_info["device_addr"],
"device_port": device_info["device_port"],
"protocol": self.protocol.protocol_type,
"data": ""
}
self.mqtt_client.publish_data(device_msg)
try:
self.modbus_client.connect()
logger.debug("连接串口成功.")
except Exception, e:
logger.error("连接串口失败，错误信息：%r." % e)
self.modbus_client = None
return
while True:
# 该线程保持空转
time.sleep(5)
def main():
if len(sys.argv) != 4:
print(
"""Usage: ./orno_modbus.py serial_port device_address target_device_address
Example: ./orno_modbus.py /dev/ttyUSB0 1 11
If you have only one device you can set the device_address to 0 to change its address.
""")
sys.exit(0)
port = sys.argv[1]
address = int(sys.argv[2])
target_address = int(sys.argv[3])
client = ModbusClient(method="rtu", port=port, baudrate=9600)
client.connect()
request = SendOrnoPassword('00000000', unit=address)
client.execute(request)
response = client.write_registers(15, [target_address], unit=address)
if response:
if address:
print "Success. Changed address from %d to %d." % (address, target_address)
else:
print "Success. Changed address to %d." % (target_address)
else:
print "Address change failed"
client.close()
def CONNECT_TO_METER():
try:
client = None
METER_PORT = find_tty_usb(ID_VENDOR, ID_PRODUCT) #reading to which port rs485(client) is connected
client = ModbusClient(retries = RETRIES, method=COM_METHOD, port=METER_PORT, baudrate=BAUD_RATE, stopbits=STOP_BITS, parity=PARITY, bytesize=BYTE_SIZE, timeout=TIME_OUT)
client.connect()
return client
except Exception as e:
print "Could not connect to client: \n" + e.__str__()
log_file=open(DATA_BASE_PATH+"RealtimeLOG.txt","a")
log_file.write(str(time.time())+" Could not connect to client: \n"+e.__str__()+"\n")
log_file.close()
def __init__(self, *args, **kwargs):
super(PyModbusClient, self).__init__(*args, **kwargs)
if self.method == "tcp":
from pymodbus.client.sync import ModbusTcpClient
self.client = ModbusTcpClient(self.host, self.port)
else:
from pymodbus.client.sync import ModbusSerialClient
argnames = ("stopbits", "bytesize", "parity", "baudrate", "timeout")
kwargs = dict((k, getattr(self, k)) for k in argnames)
kwargs.update({
"port": self.host,
})
self.client = ModbusSerialClient(self.method, **kwargs)
def setUp(self):
""" Initializes the test environment """
super(Runner, self).setUp()
# "../tools/nullmodem/linux/run",
self.initialize(["../tools/reference/diagslave", "-m", "ascii", "/dev/pts/14"])
self.client = ModbusClient(method='ascii', timeout=0.2, port='/dev/pts/13')
self.client.connect()
def connectToDevice(self, device):
"""Connection to the client - the method takes the IP address (as a string, e.g. '192.168.1.11') as an argument."""
self.client = ModbusSerialClient(method='rtu',port=device,stopbits=1, bytesize=8, baudrate=115200, timeout=0.2)
if not self.client.connect():
print "Unable to connect to %s" % device
return False
return True
def main():
mbAddress = 252
baud = 19200
comPort = '/dev/ttyUSB0'
mb = ModbusClient(method='rtu', port=comPort, baudrate=baud, stopbits=serial.STOPBITS_ONE, parity=serial.PARITY_NONE, bytesize=serial.EIGHTBITS, timeout=3)
connection = mb.connect()
if connection == False:
print "Connection failed\n"
quit()
else:
print "Connection successful\n"
TestCommunication(mb, mbAddress)
def __init__(self, unit, modbus_config):
self.client = ModbusSerialClient(**modbus_config)
self.unit = unit
self.valid_commands = {
'read_holding_registers': self.read_holding_registers,
'write_registers': self.write_holding_registers,
'read_input_registers': self.read_input_registers,
'read_coils': self.read_coils,
'write_coils': self.write_coils,
'get_datetime': self.get_datetime,
'set_datetime': self.set_datetime,
'get_loginterval': self.get_loginterval,
'set_loginterval': self.set_loginterval,
'read_event': self.read_event,
'write_event': self.write_event,
'enable_event': self.enable_event,
'disable_event': self.disable_event,
'read_events': self.read_events,
'disable_event': self.disable_event,
'enable_event': self.enable_event,
'disable_relay': self.disable_relay,
'enable_relay': self.enable_relay,
'temperatura': self.get_temperature,
'humedad': self.get_humidity,
'luz': self.get_light,
}
def connect(self, vendor="", product="", meter_port=None):
"""Connects to a specific port (if specified).
Else, if the device details
of USB-Modbus device are given, finds the port
on which they are attached.
This may be needed as the serial port on RPi
was observed to.
Parameters
----------
vendor: string
product: string
Returns
--------
client : ModbusSerialClient
"""
if meter_port is None:
self.vendor = vendor
self.product = product
self.meter_port = find_tty_usb(vendor, product)
else:
self.meter_port = meter_port
self.logger.info('Connecting to port: %s' % self.meter_port)
self.client = ModbusClient(
retries=self.retries, method=self.com_method,
baudrate=self.baudrate, stopbits=self.stopbits, parity=self.parity,
bytesize=self.bytesize, timeout=self.timeout, port=self.meter_port)
self.logger.info('Connected to port: %s' % self.meter_port)
return self.client
class SynchronousRtuClient(Runner, unittest.TestCase):
"""
These are the integration tests for the synchronous
serial rtu client.
"""
def setUp(self):
""" Initializes the test environment """
super(Runner, self).setUp()
self.initialize(["../tools/reference/diagslave", "-m", "rtu", "/dev/pts/14"])
self.client = ModbusClient(method='rtu', timeout=0.2, port='/dev/pts/13')
self.client.connect()
def tearDown(self):
""" Cleans up the test environment """
self.client.close()
super(Runner, self).tearDown()
def __init__(self, serial_socket):
self.logger = logging.getLogger(__name__)
self.client = ModbusClient(method='rtu', port=serial_socket, timeout=1)
modbus_client_filter = ModbusClientFilter()
logging.getLogger("pymodbus.client.sync").addFilter(
modbus_client_filter)
class SynchronousAsciiClient(Runner, unittest.TestCase):
'''
These are the integration tests for the synchronous
serial ascii client.
'''
def setUp(self):
''' Initializes the test environment '''
super(Runner, self).setUp()
# "../tools/nullmodem/linux/run",
self.initialize(["../tools/reference/diagslave", "-m", "ascii", "/dev/pts/14"])
self.client = ModbusClient(method='ascii', timeout=0.2, port='/dev/pts/13')
self.client.connect()
def tearDown(self):
''' Cleans up the test environment '''
self.client.close()
super(Runner, self).tearDown()
def run_motor_gui(tkroot):
client = ModbusClient(method="rtu", port="/dev/ttyUSB1", stopbits=1, \
bytesize=8, parity='E', baudrate=9600, timeout=0.1)
# connect to the serial modbus server
connection = client.connect()
print("Connection = " + str(connection))
# Create and set up the GUI object
root = Toplevel(tkroot)
root.title("WIFIS Motor Controller")
root.geometry("250x375")
#root.protocol("WM_DELETE_WINDOW", on_closing)
app = MainApplication(root,client)
return client
def __init__(self):
self.__parseConfig()
# Configure logging on the client
logging.basicConfig()
self.log = logging.getLogger()
# Change to DEBUG for full information during runtime
self.log.setLevel(logging.INFO)
# Setup and Open the connection
self.client = ModbusClient(**self.comSettings)
def CONNECT_TO_METER(self):
try:
clt = None
METER_PORT = self.find_tty_usb(self.ID_VENDOR,
self.ID_PRODUCT) #reading to which port rs485(client) is connected
clt = ModbusClient(retries=self.RETRIES, method=self.COM_METHOD, port=METER_PORT, baudrate=self.BAUD_RATE,
stopbits=self.STOP_BITS, parity=self.PARITY, bytesize=self.BYTE_SIZE,
timeout=self.TIME_OUT)
self.iftrue = clt.connect()
if self.iftrue:
print "Connection successful. " + str(clt)
return clt
except Exception as e:
#lgr.error('Error while connecting client: ', exc_info = True)
print "Error while connecting client: \n" + e.__str__()
class Epever3210a(object):
# CONSTANTS
# VARIABLES
_logger = None
_console_handler = None
_file_handler = None
_csv_file_dir = '/var/dl/'
_slave_address = 1
_serial_port = '/dev/ttyUSB0'
_baudrate = 115200
_dl_bytes_decoder = DlBytesDecoder()
_modbus_client = None
_modbus_items = []
# SETTERS AND GETTERS
@property
def logger(self):
return self._logger
@logger.setter
def logger(self, v):
self._logger = v
# FUNCTIONS DEFINITION
def __init__(self):
"""
Initialize
"""
try:
self.init_arg_parse()
#*** Logger
self._logger = DlLogger().new_logger(__name__)
except OSError as l_e:
self._logger.warning("init-> OSError, probably rollingfileAppender:{}".format(l_e))
if e.errno != errno.ENOENT:
raise l_e
except Exception as l_e:
self._logger.error('Error in init: {}'.format(l_e))
raise l_e
#exit(1)
# SCRIPT ARGUMENTS
def init_arg_parse(self):
"""
Parsing arguments
"""
self._parser = argparse.ArgumentParser(description='Actions with Epever3210a through USB dongle')
self._add_arguments()
args = self._parser.parse_args()
self._args = args
def _add_arguments(self):
"""
Add arguments to parser (called by init_arg_parse())
"""
self._parser.add_argument('-v', '--verbose', help='increase output verbosity', action="store_true")
self._parser.add_argument('-d', '--display_results', help='Display results as logger.info', action="store_true")
self._parser.add_argument('-s', '--store_csv', help='stores output to CSV', action="store_true")
self._parser.add_argument('-t', '--test', help='Runs test method', action="store_true")
def execute_corresponding_args( self ):
"""
Parsing arguments and calling corresponding functions
"""
try:
if self._args.verbose:
self._logger.setLevel(logging.DEBUG)
else:
self._logger.setLevel(logging.INFO)
self._modbus_client = ModbusSerialClient(method="rtu", port=self._serial_port, timeout=3, stopbits=1, bytesize=8, baudrate=self._baudrate)
self._modbus_client.connect()
if self._args.test:
self.test()
self.read_items()
if self._args.display_results:
self.display_items()
if self._args.store_csv:
self.store_to_csv()
except Exception as l_e:
self._logger.error('Error in execute_corresponding_args: {}'.format(l_e))
self._modbus_client.close()
raise l_e
def extend_items(self, a_dl_modbus_item):
"""
Adds given item to self._modbus_items
"""
self._modbus_items.append(a_dl_modbus_item)
def read_items(self):
"""
Reads all items
"""
self.extend_items(DlModbusItem(0x3100, 'PV Array voltage', 'PVV', 1, 'V', 0))
self.extend_items(DlModbusItem(0x3101, 'PV array current', 'PVA', 1, 'A', 0))
self.extend_items(DlModbusItem(0x3102, 'PV array input power', 'PVP', 2, 'W', 0))
self.extend_items(DlModbusItem(0x310C, 'Load voltage', 'LV', 1, 'V', 0))
self.extend_items(DlModbusItem(0x310D, 'Load current', 'LA', 1, 'A', 0))
self.extend_items(DlModbusItem(0x310E, 'Load Power', 'LP', 2, 'W', 0))
self.extend_items(DlModbusItem(0x3110, 'Battery temperature', 'BTemp', 1, 'C', 0))
self.extend_items(DlModbusItem(0x3111, 'Device temperature', 'DTemp', 1, 'C', 0))
self.extend_items(DlModbusItem(0x311A, 'Battery remaining capacity', 'BattRemCap', 1, '%', 0))
self.extend_items(DlModbusItem(0x311D, 'Battery rated voltage', 'BattRatV', 1, 'V', 0))
self.extend_items(DlModbusItem(0x3200, 'Battery status', 'BattSt', 1, 'Enum', 0))
self.extend_items(DlModbusItem(0x3201, 'Charging equipment status', 'ChSt', 1, 'Enum', 0))
self.extend_items(DlModbusItem(0x3302, 'Max voltage today', 'BattVMaxDay', 1, 'V', 0))
self.extend_items(DlModbusItem(0x3303, 'Min voltage today', 'BattVMinDay', 1, 'V', 0))
self.extend_items(DlModbusItem(0x3304, 'Consumed energy today', 'LoadPDay', 2, 'kWh', 0))
self.extend_items(DlModbusItem(0x3306, 'Consumed energy month', 'LoadPMonth', 2, 'kWh', 0))
self.extend_items(DlModbusItem(0x3308, 'Consumed energy year', 'LoadPYear', 2, 'kWh', 0))
self.extend_items(DlModbusItem(0x330A, 'Total consumed energy', 'LoadPTot', 2, 'kWh', 0))
self.extend_items(DlModbusItem(0x330C, 'Generated energy today', 'GenPDay', 2, 'kWh', 0))
self.extend_items(DlModbusItem(0x330E, 'Generated energy month', 'GenPMonth', 2, 'kWh', 0))
self.extend_items(DlModbusItem(0x3310, 'Generated energy year', 'GenPYear', 2, 'kWh', 0))
self.extend_items(DlModbusItem(0x3312, 'Total Generated energy', 'GenPTot', 2, 'kWh', 0))
self.extend_items(DlModbusItem(0x331A, 'Battery voltage', 'BattV', 1, 'V', 0))
self.extend_items(DlModbusItem(0x331B, 'Battery current', 'BattA', 2, 'A', 0))
self.read_modbus_items()
def read_modbus_items(self):
"""
"""
for l_item in self._modbus_items:
self._logger.debug('--> reading register:{} registers_count:{} slave:{}'.format(l_item._address, l_item._registers_count, self._slave_address))
try:
l_registers_array = self._modbus_client.read_input_registers(l_item._address, l_item._registers_count, unit=self._slave_address)
#self._logger.debug('-- register result:{}'.format(l_registers_array))
if l_item._registers_count == 1:
l_val = float(l_registers_array.registers[0] / 100.0)
elif l_item._registers_count == 2:
l_low = float(l_registers_array.registers[0] / 100.0)
l_high = float(l_registers_array.registers[1] / 100.0)
l_val = l_low + (l_high * 100) # for readability
#self._logger.debug('-- registers result:L/H({}/{})={}'.format(l_low, l_high, l_val))
l_item._item = l_val
except Exception as l_e:
self._logger.warning('Unable to get a valid answer from register "{}" index:{}/hex({}), registers_count:{}'.format(l_item._description, l_item._address, hex(l_item._address), l_item._registers_count))
def display_items(self):
"""
Displays information with logger on self._modbus_items
"""
for l_item in self._modbus_items:
self._logger.info(l_item.out())
def get_mac(self):
from uuid import getnode as get_mac
mac = get_mac()
l_res = '-'.join(("%012X" % mac)[i:i+2] for i in range(0, 12, 2))
l_res = l_res.lower()
self._logger.warning('mac:{}-'.format(l_res))
return l_res
def csv_file_path(self):
"""
returns a complete file path for csv exporting
creates directory if not exists
"""
l_res = os.path.join(self._csv_file_dir, str(datetime.utcnow().year), '{:02d}'.format(datetime.utcnow().month))
if not os.path.exists(l_res):
os.makedirs(l_res)
l_fname = datetime.utcnow().strftime('%Y%m%d') + '_' + self.get_mac() + '_' + self.__class__.__name__ + '.csv'
l_res = os.path.join(l_res, l_fname)
return l_res
def _header_rows(self):
l_res = []
l_res.append(['#Device', self.__class__.__name__])
l_res.append(['#Mac', self.get_mac()])
return l_res
def store_to_csv(self):
try:
l_f_name = self.csv_file_path()
l_file_exists = os.path.isfile(l_f_name)
self._logger.info("store_to_csv->Writting into file {} exists:{}".format(l_f_name, l_file_exists))
with open(l_f_name, mode='a+') as l_csv_file:
l_csv_writter = csv.writer(l_csv_file, delimiter=',', quotechar='"', quoting=csv.QUOTE_MINIMAL)
if not l_file_exists:
#Header comments
for l_header_row in self._header_rows():
self._logger.info("store_values_into_csv->writting header:{}".format(l_header_row))
l_csv_writter.writerow(l_header_row)
self._logger.info("store_to_csv->Writting METADATA row: %s" % (';'.join(str(l) for l in l_header_row)))
#Headers
l_fields_abbr_row = []
l_fields_abbr_row.append('Timestamp')
for l_dl_modbus_item in self._modbus_items:
l_fields_abbr_row.append(l_dl_modbus_item._abbreviation)
l_csv_writter.writerow(l_fields_abbr_row)
self._logger.info("store_to_csv->Writting Headers row: %s" % (';'.join(str(l) for l in l_fields_abbr_row)))
# Metadata and registers
l_values_dict = []
l_values_dict.append(datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ'))
for l_dl_modbus_item in self._modbus_items:
l_values_dict.append(l_dl_modbus_item._item)
#Registers no metadata
self._logger.info("store_to_csv->Writting row: %s" % ('|'.join(str(l) for l in l_values_dict)))
l_csv_writter.writerow(l_values_dict)
except Exception as l_e:
self._logger.error('store_values_into_csv->Error: %s' % l_e)
raise l_e
# TEST
def test(self):
"""
Test function
"""
try:
self._logger.info("################# BEGIN #################")
l_od = OrderedDict()
l_registers_array = self._modbus_client.read_input_registers(0x3100, 4, unit=1)
l_od['solar_voltage,V'] = float(l_registers_array.registers[0] / 100.0)
l_od['solar_current,A'] = float(l_registers_array.registers[1] / 100.0)
l_od['input_power_l,W'] = float(l_registers_array.registers[2] / 100.0)
l_od['input_power_h,W'] = float(l_registers_array.registers[3] / 100.0)
l_registers_array = self._modbus_client.read_input_registers(0x310C, 4, unit=1)
l_od['load_voltage,V'] = float(l_registers_array.registers[0] / 100.0)
l_od['load_current,A'] = float(l_registers_array.registers[1] / 100.0)
l_od['load_power_l,W'] = float(l_registers_array.registers[2] / 100.0)
l_od['load_power_h,W'] = float(l_registers_array.registers[3] / 100.0)
l_registers_array = self._modbus_client.read_input_registers(0x3302, 8, unit=1)
l_od['max_battery_voltage_today,V'] = float(l_registers_array.registers[0] / 100.0)
l_od['min_battery_voltage_today,A'] = float(l_registers_array.registers[1] / 100.0)
l_od['tot_energy_today L,kWh'] = float(l_registers_array.registers[2] / 100.0)
l_od['tot_energy_today H,kWh'] = float(l_registers_array.registers[3] / 100.0)
l_od['tot_energy_month L,kWh'] = float(l_registers_array.registers[4] / 100.0)
l_od['tot_energy_month H,kWh'] = float(l_registers_array.registers[5] / 100.0)
l_registers_array = self._modbus_client.read_input_registers(0x330A, 6, unit=1)
l_od['total_consumed_energy L,kWh'] = float(l_registers_array.registers[0] / 100.0)
l_od['total_consumed_energy H,kWh'] = float(l_registers_array.registers[1] / 100.0)
l_od['generated_energy_today L,kWh'] = float(l_registers_array.registers[2] / 100.0)
l_od['generated_energy_today H,kWh'] = float(l_registers_array.registers[3] / 100.0)
l_od['generated_energy_this_month L,kWh'] = float(l_registers_array.registers[4] / 100.0)
l_od['generated_energy_this_month H,kWh'] = float(l_registers_array.registers[5] / 100.0)
# l_registers_array = self._modbus_client.read_input_registers(0x9013, 3, unit=1) #P.15 of doc
# l_od['real_time_clock,YMDHMS'] = float(l_registers_array.registers[0] / 100.0)
for l_key, l_val in l_od.items():
l_tmp_array = l_key.split(',')
l_label = l_tmp_array[0]
l_unit = l_tmp_array[1]
self._logger.info('{}: {} {}'.format(l_label, l_val, l_unit))
self._logger.info("################# END #################")
except Exception as l_e:
self._logger.exception("Exception occured: {}".format(l_e))
print('Error: {}'.format(l_e))
self._logger.error('Error: {}'.format(l_e))
sys.exit(1)
class SDM630ModbusV2(object):
##
# Create a new class to fetch data from the Modbus interface of Solax inverters
def __init__(self, port, baudrate, parity, stopbits, timeout):
self.port = port
self.client = ModbusSerialClient(method="rtu",
port=self.port,
baudrate=baudrate,
parity=parity,
stopbits=stopbits,
timeout=timeout)
def fetch(self, completionCallback):
base = 0x0000
result = self.client.read_input_registers(base, 60)
if isinstance(result, ModbusException):
print("Exception from SDM630V2: {}".format(result))
return
self.vals = {}
self.vals['name'] = self.port.replace("/dev/tty", "")
self.vals['Phase 1 line to neutral volts'] = float32(
result, base, 0x0000)
self.vals['Phase 2 line to neutral volts'] = float32(
result, base, 0x0002)
self.vals['Phase 3 line to neutral volts'] = float32(
result, base, 0x0004)
self.vals['Phase 1 current'] = float32(result, base, 0x0006)
self.vals['Phase 2 current'] = float32(result, base, 0x0008)
self.vals['Phase 3 current'] = float32(result, base, 0x000A)
self.vals['Phase 1 power'] = float32(result, base, 0x000C)
self.vals['Phase 2 power'] = float32(result, base, 0x000E)
self.vals['Phase 3 power'] = float32(result, base, 0x0010)
self.vals['Phase 1 volt amps'] = float32(result, base, 0x0012)
self.vals['Phase 2 volt amps'] = float32(result, base, 0x0014)
self.vals['Phase 3 volt amps'] = float32(result, base, 0x0016)
self.vals['Phase 1 volt amps reactive'] = float32(result, base, 0x0018)
self.vals['Phase 2 volt amps reactive'] = float32(result, base, 0x001A)
self.vals['Phase 3 volt amps reactive'] = float32(result, base, 0x001C)
self.vals['Phase 1 power factor'] = float32(result, base, 0x001E)
self.vals['Phase 2 power factor'] = float32(result, base, 0x0020)
self.vals['Phase 3 power factor'] = float32(result, base, 0x0022)
self.vals['Phase 1 phase angle'] = float32(result, base, 0x0024)
self.vals['Phase 2 phase angle'] = float32(result, base, 0x0026)
self.vals['Phase 3 phase angle'] = float32(result, base, 0x0028)
self.vals['Average line to neutral volts'] = float32(
result, base, 0x002A)
self.vals['Average line current'] = float32(result, base, 0x002E)
self.vals['Sum of line currents'] = float32(result, base, 0x0030)
self.vals['Total system power'] = float32(result, base, 0x0034)
self.vals['Total system volt amps'] = float32(result, base, 0x0038)
base = 0x003C
result = self.client.read_input_registers(base, 48)
if isinstance(result, ModbusException):
print("Exception from SDM630V2: {}".format(result))
return
self.vals['Total system VAr'] = float32(result, base, 0x003C)
self.vals['Total system power factor'] = float32(result, base, 0x003E)
self.vals['Total system phase angle'] = float32(result, base, 0x0042)
self.vals['Frequency of supply voltages'] = float32(
result, base, 0x0046)
self.vals['Total import kWh'] = float32(result, base, 0x0048)
self.vals['Total export kWh'] = float32(result, base, 0x004A)
self.vals['Total import kVArh '] = float32(result, base, 0x004C)
self.vals['Total export kVArh '] = float32(result, base, 0x004E)
self.vals['Total VAh'] = float32(result, base, 0x0050)
self.vals['Ah'] = float32(result, base, 0x0052)
self.vals['Total system power demand'] = float32(result, base, 0x0054)
self.vals['Maximum total system power demand'] = float32(
result, base, 0x0056)
self.vals['Total system VA demand'] = float32(result, base, 0x0064)
self.vals['Maximum total system VA demand'] = float32(
result, base, 0x0066)
self.vals['Neutral current demand'] = float32(result, base, 0x0068)
self.vals['Maximum neutral current demand'] = float32(
result, base, 0x006A)
base = 0x00C8
result = self.client.read_input_registers(base, 8)
if isinstance(result, ModbusException):
print("Exception from SDM630V2: {}".format(result))
return
self.vals['Line 1 to Line 2 volts'] = float32(result, base, 0x00C8)
self.vals['Line 2 to Line 3 volts'] = float32(result, base, 0x00CA)
self.vals['Line 3 to Line 1 volts'] = float32(result, base, 0x00CC)
self.vals['Average line to line volts'] = float32(result, base, 0x00CE)
base = 0x00E0
result = self.client.read_input_registers(base, 46)
if isinstance(result, ModbusException):
print("Exception from SDM630V2: {}".format(result))
return
self.vals['Neutral current'] = float32(result, base, 0x00E0)
self.vals['Phase 1 L-N volts THD'] = float32(result, base, 0x00EA)
self.vals['Phase 2 L-N volts THD'] = float32(result, base, 0x00EC)
self.vals['Phase 3 L-N volts THD'] = float32(result, base, 0x00EE)
self.vals['Phase 1 current THD'] = float32(result, base, 0x00F0)
self.vals['Phase 2 current THD'] = float32(result, base, 0x00F2)
self.vals['Phase 3 current THD'] = float32(result, base, 0x00F4)
self.vals['Average line to neutral volts THD'] = float32(
result, base, 0x00F8)
self.vals['Average line current THD'] = float32(result, base, 0x00FA)
self.vals['Phase 1 current demand'] = float32(result, base, 0x0102)
self.vals['Phase 2 current demand'] = float32(result, base, 0x0104)
self.vals['Phase 3 current demand'] = float32(result, base, 0x0106)
self.vals['Maximum phase 1 current demand'] = float32(
result, base, 0x0108)
self.vals['Maximum phase 2 current demand'] = float32(
result, base, 0x010A)
self.vals['Maximum phase 3 current demand'] = float32(
result, base, 0x010C)
base = 0x014E
result = self.client.read_input_registers(base, 48)
if isinstance(result, ModbusException):
print("Exception from SDM630V2: {}".format(result))
return
self.vals['Line 1 to line 2 volts THD'] = float32(result, base, 0x014E)
self.vals['Line 2 to line 3 volts THD'] = float32(result, base, 0x0150)
self.vals['Line 3 to line 1 volts THD'] = float32(result, base, 0x0152)
self.vals['Average line to line volts THD'] = float32(
result, base, 0x0154)
self.vals['Total kWh'] = float32(result, base, 0x0156)
self.vals['Total kvarh'] = float32(result, base, 0x0158)
self.vals['Phase 1 import kWh'] = float32(result, base, 0x015a)
self.vals['Phase 2 import kWh'] = float32(result, base, 0x015c)
self.vals['Phase 3 import kWh'] = float32(result, base, 0x015e)
self.vals['Phase 1 export kWh'] = float32(result, base, 0x0160)
self.vals['Phase 2 export kWh'] = float32(result, base, 0x0162)
self.vals['Phase 3 export kWh'] = float32(result, base, 0x0164)
self.vals['Phase 1 total kWh'] = float32(result, base, 0x0166)
self.vals['Phase 2 total kWh'] = float32(result, base, 0x0168)
self.vals['Phase 3 total kWh'] = float32(result, base, 0x016a)
self.vals['Phase 1 import kvarh'] = float32(result, base, 0x016c)
self.vals['Phase 2 import kvarh'] = float32(result, base, 0x016e)
self.vals['Phase 3 import kvarh'] = float32(result, base, 0x0170)
self.vals['Phase 1 export kvarh'] = float32(result, base, 0x0172)
self.vals['Phase 2 export kvarh'] = float32(result, base, 0x0174)
self.vals['Phase 3 export kvarh'] = float32(result, base, 0x0176)
self.vals['Phase 1 total kvarh'] = float32(result, base, 0x0178)
self.vals['Phase 2 total kvarh'] = float32(result, base, 0x017a)
self.vals['Phase 3 total kvarh'] = float32(result, base, 0x017c)
completionCallback(self.vals)
#from pymodbus.pdu import ModbusRequest
from pymodbus.client.sync import ModbusSerialClient as ModbusClient
#from pymodbus.transaction import ModbusRtuFramer
#import sys
#import paho.mqtt.client as mqtt
#import msvcrt
#import getch
#import RPi.GPIO as GPIO
import sys
import select
mbclient = ModbusClient(method="rtu",
timeout=1,
port='/dev/ttyUSB0',
stopbits=1,
bytesize=8,
parity='N',
baudrate=9600)
connection = mbclient.connect()
print(connection)
time.sleep(3)
#ALL SENSOR DATA ARE IN INPUT REGISTERS
temp_adc_addr = 3000
voltage_adc_addr = 3001
current_adc_addr = 3002
ldr_addr = 3003
#CHIP TEMPERATURE IN HOLDING REGISTER
#!/usr/bin/python
from pymodbus.client.sync import ModbusSerialClient
client = ModbusSerialClient(method="rtu",
port="/dev/virtualcom1",
baudrate=9600,
stopbits=1,
bytesize=8,
timeout=1)
rq = client.read_holding_registers(1000, 7, unit=1)
print(rq.registers)
class modbusRTUThread(QThread):
# Parametros de la comunicacion serie
slaveID = 2
port = '/dev/ttyUSB0'
baud = 115200
bytesize = 8
parity = 'E'
stopbits = 1
timeout = 1
NinReg = 29
NoutReg = 27
timeInterval = 1500 # en milisegundos
stConnec = False
# Datos de entrada y salida
inData = Signal(object)
outData = [0]*27
def __init__(self):
# Se inicializa el thread
QThread.__init__(self)
# Se inicializa la comunicacion modbus RTU
self.modbus = ModbusClient(method='rtu', port= self.port, baudrate= self.baud, bytesize= self.bytesize, parity= self.parity, stopbits= self.stopbits, timeout = self.timeout)
self.modbus.connect()
time.sleep(2)
# Se inicializa el timer
self.Refresh = QtCore.QTimer(self)
self.Refresh.timeout.connect(self.getData)
self.Refresh.start(self.timeInterval)
def __del__(self):
self.wait()
def run(self):
# Se inicia el timer para que inicie/continue la ejecución del thread
pass
def stop(self):
# Se detiene el timer para detener la ejecución del thread
self.Refresh.stop()
def getData(self):
try:
# Se leen los registros del esclavo
#print(datetime.datetime.now())
regsIn = self.modbus.read_holding_registers(0, self.NinReg, unit=self.slaveID)
# Se desempaqueta la informacion recibida
Registers = []
for k in range(0, self.NinReg):
Registers.append(regsIn.getRegister(k))
self.inData.emit(Registers)
# Se escriben los registros en el esclavo
regsOut = self.modbus.write_registers(100, self.outData, unit=self.slaveID)
#print(datetime.datetime.now())
except:
# En caso de falla de comunicacion se informa y se igualan
# todos los registros a -1
print("Falla en comunicacion")
Registers = [0]* self.NinReg
self.inData.emit(Registers)
def connect(self):
# if self.master and not self.master.socket:
# self.master = None
if self.master is None:
self.commError = False
try:
# as in the following the port is None, no port is opened on creation of the (py)serial object
if self.type == 1: # Serial ASCII
from pymodbus.client.sync import ModbusSerialClient
self.master = ModbusSerialClient(method='ascii',
port=self.comport,
baudrate=self.baudrate,
bytesize=self.bytesize,
parity=self.parity,
stopbits=self.stopbits,
retry_on_empty=True,
timeout=self.timeout)
elif self.type == 2: # Serial Binary
from pymodbus.client.sync import ModbusSerialClient # @Reimport
self.master = ModbusSerialClient(method='binary',
port=self.comport,
baudrate=self.baudrate,
bytesize=self.bytesize,
parity=self.parity,
stopbits=self.stopbits,
retry_on_empty=True,
timeout=self.timeout)
elif self.type == 3: # TCP
from pymodbus.client.sync import ModbusTcpClient
try:
self.master = ModbusTcpClient(
host=self.host,
port=self.port,
retry_on_empty=True,
retries=1,
timeout=0.9, #self.timeout
)
self.readRetries = 0
except:
self.master = ModbusTcpClient(
host=self.host,
port=self.port,
)
elif self.type == 4: # UDP
from pymodbus.client.sync import ModbusUdpClient
try:
self.master = ModbusUdpClient(
host=self.host,
port=self.port,
retry_on_empty=True,
retries=3,
timeout=0.7, #self.timeout
)
except: # older versions of pymodbus don't support the retries, timeout nor the retry_on_empty arguments
self.master = ModbusUdpClient(
host=self.host,
port=self.port,
)
else: # Serial RTU
from pymodbus.client.sync import ModbusSerialClient # @Reimport
self.master = ModbusSerialClient(
method='rtu',
port=self.comport,
baudrate=self.baudrate,
bytesize=self.bytesize,
parity=self.parity,
stopbits=self.stopbits,
retry_on_empty=False,
strict=
False, # settings this to False disables the inter char timeout restriction
timeout=self.timeout)
# self.master.inter_char_timeout = 0.05
self.readRetries = 1
self.master.connect()
self.updateActiveRegisters()
time.sleep(.5) # avoid possible hickups on startup
if self.isConnected() != None:
self.sendmessage(
QApplication.translate("Message",
"Connected via MODBUS", None))
except Exception as ex:
_, _, exc_tb = sys.exc_info()
self.adderror(
(QApplication.translate("Error Message", "Modbus Error:",
None) + " connect() {0}").format(
str(ex)), exc_tb.tb_lineno)
class modbusport(object):
""" this class handles the communications with all the modbus devices"""
def __init__(self, sendmessage, adderror, addserial, aw):
self.sendmessage = sendmessage # function to create an Artisan message to the user in the message line
self.adderror = adderror # signal an error to the user
self.addserial = addserial # add to serial log
self.aw = aw
# retries
self.readRetries = 1
#default initial settings. They are changed by settingsload() at initiation of program acording to the device chosen
self.comport = "COM5" #NOTE: this string should not be translated.
self.baudrate = 115200
self.bytesize = 8
self.parity = 'N'
self.stopbits = 1
self.timeout = 1.0
self.PID_slave_ID = 0
self.PID_SV_register = 0
self.PID_p_register = 0
self.PID_i_register = 0
self.PID_d_register = 0
self.PID_ON_action = ""
self.PID_OFF_action = ""
self.channels = 8
self.inputSlaves = [0] * self.channels
self.inputRegisters = [0] * self.channels
self.inputFloats = [False] * self.channels
self.inputBCDs = [False] * self.channels
self.inputCodes = [3] * self.channels
self.inputDivs = [0] * self.channels # 0: none, 1: 1/10, 2:1/100
self.inputModes = ["C"] * self.channels
self.optimizer = True # if set, values of consecutive register addresses are requested in single requests
# MODBUS functions associated to dicts associating MODBUS slave ids to registers in use
# for optimized read of full register segments with single request
# this dict is re-computed on each connect() by a call to updateActiveRegisters()
# NOTE: for registers of type float (32bit = 2x16bit) also the succeeding register is registered here
self.activeRegisters = {}
# the readings cache that is filled by requesting sequences of values in blocks
self.readingsCache = {}
self.SVmultiplier = 0
self.PIDmultiplier = 0
self.byteorderLittle = False
self.wordorderLittle = True
self.master = None
self.COMsemaphore = QSemaphore(1)
self.host = '127.0.0.1' # the TCP/UDP host
self.port = 502 # the TCP/UDP port
self.type = 0
# type =
# 0: Serial RTU
# 1: Serial ASCII
# 2: Serial Binary
# 3: TCP
# 4: UDP
self.lastReadResult = 0 # this is set by eventaction following some custom button/slider Modbus actions with "read" command
self.commError = False # True after a communication error was detected and not yet cleared by receiving proper data
# this garantees a minimum of 30 miliseconds between readings and 80ms between writes (according to the Modbus spec) on serial connections
# this sleep delays between requests seems to be beneficial on slow RTU serial connections like those of the FZ-94
def sleepBetween(self, write=False):
if write:
# if self.type in [3,4]: # TCP or UDP
# time.sleep(0.040)
pass # handled in MODBUS lib
# else:
time.sleep(0.035)
else:
if self.type in [
3, 4
]: # delay between writes only on serial connections
pass
else:
time.sleep(0.035)
def address2register(self, addr, code=3):
if code == 3 or code == 6:
return addr - 40001
else:
return addr - 30001
def isConnected(self):
return not (self.master is None) and self.master.socket
def disconnect(self):
try:
self.master.close()
except Exception:
pass
self.master = None
def updateActiveRegisters(self):
self.activeRegisters = {}
for c in range(self.channels):
slave = self.inputSlaves[c]
if slave != 0:
register = self.inputRegisters[c]
code = self.inputCodes[c]
registers = [register]
if self.inputFloats[c] or self.inputBCDs[c]:
registers.append(register + 1)
if not (code in self.activeRegisters):
self.activeRegisters[code] = {}
if slave in self.activeRegisters[code]:
self.activeRegisters[code][slave].extend(registers)
else:
self.activeRegisters[code][slave] = registers
def clearReadingsCache(self):
self.readingsCache = {}
def cacheReadings(self, code, slave, register, results):
if not (code in self.readingsCache):
self.readingsCache[code] = {}
if not slave in self.readingsCache[code]:
self.readingsCache[code][slave] = {}
for i, v in enumerate(results):
self.readingsCache[code][slave][register + i] = v
# {4: {1: [19], 0: [23]}, 3: {0: [12393, 12390, 8451, 8451]}}
def readActiveRegisters(self):
if not self.optimizer:
return
try:
#### lock shared resources #####
self.COMsemaphore.acquire(1)
self.connect()
self.clearReadingsCache()
for code in self.activeRegisters:
for slave in self.activeRegisters[code]:
registers = sorted(self.activeRegisters[code][slave])
# split in successive sequences
gaps = [[s, e] for s, e in zip(registers, registers[1:])
if s + 1 < e]
edges = iter(registers[:1] + sum(gaps, []) +
registers[-1:])
sequences = list(
zip(edges, edges)
) # list of pairs of the form (start-register,end-register)
for seq in sequences:
retry = self.readRetries
register = seq[0]
count = seq[1] - seq[0] + 1
res = None
self.sleepBetween(
) # we start with a sleep, as it could be that just a send command happend before the semaphore was catched
while True:
try:
# we cache only MODBUS function 3 and 4 (not 1 and 2!)
if code == 3:
res = self.master.read_holding_registers(
register, count, unit=slave)
elif code == 4:
res = self.master.read_input_registers(
register, count, unit=slave)
except Exception:
res = None
if res is None or res.isError(
): # requires pymodbus v1.5.1
if retry > 0:
retry = retry - 1
time.sleep(0.020)
else:
raise Exception("Exception response")
else:
break
if res is not None:
if self.commError: # we clear the previous error and send a message
self.commError = False
self.adderror(
QApplication.translate(
"Error Message",
"Modbus Communication Resumed", None))
self.cacheReadings(code, slave, register,
res.registers)
#note: logged chars should be unicode not binary
if self.aw.seriallogflag:
ser_str = "MODBUS readSingleRegister : {},{},{},{},{},{} || Slave = {} || Register = {} || Code = {} || Rx = {}".format(
self.comport, self.baudrate, self.bytesize,
self.parity, self.stopbits, self.timeout,
slave, register, code, res)
self.addserial(ser_str)
except Exception: # as ex:
# self.disconnect()
# import traceback
# traceback.print_exc(file=sys.stdout)
# _, _, exc_tb = sys.exc_info()
# self.adderror((QApplication.translate("Error Message","Modbus Error:",None) + " readSingleRegister() {0}").format(str(ex)),exc_tb.tb_lineno)
self.adderror(
QApplication.translate("Error Message",
"Modbus Communication Error", None))
self.commError = True
finally:
if self.COMsemaphore.available() < 1:
self.COMsemaphore.release(1)
def connect(self):
# if self.master and not self.master.socket:
# self.master = None
if self.master is None:
self.commError = False
try:
# as in the following the port is None, no port is opened on creation of the (py)serial object
if self.type == 1: # Serial ASCII
from pymodbus.client.sync import ModbusSerialClient
self.master = ModbusSerialClient(method='ascii',
port=self.comport,
baudrate=self.baudrate,
bytesize=self.bytesize,
parity=self.parity,
stopbits=self.stopbits,
retry_on_empty=True,
timeout=self.timeout)
elif self.type == 2: # Serial Binary
from pymodbus.client.sync import ModbusSerialClient # @Reimport
self.master = ModbusSerialClient(method='binary',
port=self.comport,
baudrate=self.baudrate,
bytesize=self.bytesize,
parity=self.parity,
stopbits=self.stopbits,
retry_on_empty=True,
timeout=self.timeout)
elif self.type == 3: # TCP
from pymodbus.client.sync import ModbusTcpClient
try:
self.master = ModbusTcpClient(
host=self.host,
port=self.port,
retry_on_empty=True,
retries=1,
timeout=0.9, #self.timeout
)
self.readRetries = 0
except:
self.master = ModbusTcpClient(
host=self.host,
port=self.port,
)
elif self.type == 4: # UDP
from pymodbus.client.sync import ModbusUdpClient
try:
self.master = ModbusUdpClient(
host=self.host,
port=self.port,
retry_on_empty=True,
retries=3,
timeout=0.7, #self.timeout
)
except: # older versions of pymodbus don't support the retries, timeout nor the retry_on_empty arguments
self.master = ModbusUdpClient(
host=self.host,
port=self.port,
)
else: # Serial RTU
from pymodbus.client.sync import ModbusSerialClient # @Reimport
self.master = ModbusSerialClient(
method='rtu',
port=self.comport,
baudrate=self.baudrate,
bytesize=self.bytesize,
parity=self.parity,
stopbits=self.stopbits,
retry_on_empty=False,
strict=
False, # settings this to False disables the inter char timeout restriction
timeout=self.timeout)
# self.master.inter_char_timeout = 0.05
self.readRetries = 1
self.master.connect()
self.updateActiveRegisters()
time.sleep(.5) # avoid possible hickups on startup
if self.isConnected() != None:
self.sendmessage(
QApplication.translate("Message",
"Connected via MODBUS", None))
except Exception as ex:
_, _, exc_tb = sys.exc_info()
self.adderror(
(QApplication.translate("Error Message", "Modbus Error:",
None) + " connect() {0}").format(
str(ex)), exc_tb.tb_lineno)
# function 15 (Write Multiple Coils)
def writeCoils(self, slave, register, values):
try:
#### lock shared resources #####
self.COMsemaphore.acquire(1)
self.connect()
self.master.write_coils(int(register),
list(values),
unit=int(slave))
time.sleep(.3) # avoid possible hickups on startup
except Exception as ex:
# self.disconnect()
# import traceback
# traceback.print_exc(file=sys.stdout)
_, _, exc_tb = sys.exc_info()
self.adderror(
(QApplication.translate("Error Message", "Modbus Error:", None)
+ " writeCoils() {0}").format(str(ex)), exc_tb.tb_lineno)
finally:
if self.COMsemaphore.available() < 1:
self.COMsemaphore.release(1)
# function 5 (Write Single Coil)
def writeCoil(self, slave, register, value):
try:
#### lock shared resources #####
self.COMsemaphore.acquire(1)
self.connect()
self.master.write_coil(int(register), value, unit=int(slave))
time.sleep(.3) # avoid possible hickups on startup
except Exception as ex:
# self.disconnect()
_, _, exc_tb = sys.exc_info()
self.adderror(
(QApplication.translate("Error Message", "Modbus Error:", None)
+ " writeCoil() {0}").format(str(ex)), exc_tb.tb_lineno)
finally:
if self.COMsemaphore.available() < 1:
self.COMsemaphore.release(1)
# write value to register on slave (function 6 for int or function 16 for float)
# value can be one of string (containing an int or float), an int or a float
def writeRegister(self, slave, register, value):
if stringp(value):
if "." in value:
self.writeWord(slave, register, value)
else:
self.writeSingleRegister(slave, register, value)
elif isinstance(value, int):
self.writeSingleRegister(slave, register, value)
elif isinstance(value, float):
self.writeWord(slave, register, value)
# function 6 (Write Single Holding Register)
def writeSingleRegister(self, slave, register, value):
# _logger.debug("writeSingleRegister(%d,%d,%d)" % (slave,register,value))
try:
#### lock shared resources #####
self.COMsemaphore.acquire(1)
self.connect()
self.master.write_register(int(register),
int(value),
unit=int(slave))
time.sleep(.03) # avoid possible hickups on startup
except Exception as ex:
# _logger.debug("writeSingleRegister exception: %s" % str(ex))
# import traceback
# traceback.print_exc(file=sys.stdout)
# self.disconnect()
_, _, exc_tb = sys.exc_info()
self.adderror(
(QApplication.translate("Error Message", "Modbus Error:", None)
+ " writeSingleRegister() {0}").format(str(ex)),
exc_tb.tb_lineno)
finally:
if self.COMsemaphore.available() < 1:
self.COMsemaphore.release(1)
# function 22 (Mask Write Register)
# bits to be modified are "masked" with a 0 in the and_mask (not and_mask)
# new bit values to be written are taken from the or_mask
def maskWriteRegister(self, slave, register, and_mask, or_mask):
try:
#### lock shared resources #####
self.COMsemaphore.acquire(1)
self.connect()
self.master.mask_write_register(int(register),
int(and_mask),
int(or_mask),
unit=int(slave))
time.sleep(.03)
except Exception as ex:
# import traceback
# traceback.print_exc(file=sys.stdout)
# self.disconnect()
_, _, exc_tb = sys.exc_info()
self.adderror(
(QApplication.translate("Error Message", "Modbus Error:", None)
+ " writeMask() {0}").format(str(ex)), exc_tb.tb_lineno)
finally:
if self.COMsemaphore.available() < 1:
self.COMsemaphore.release(1)
# a local variant of function 22 (Mask Write Register)
# the masks are evaluated locally on the given integer value and the result is send via
# using function 6
def localMaskWriteRegister(self, slave, register, and_mask, or_mask,
value):
new_val = (int(round(value)) & and_mask) | (or_mask &
(and_mask ^ 0xFFFF))
self.writeSingleRegister(slave, register, int(new_val))
# function 16 (Write Multiple Holding Registers)
# values is a list of integers or one integer
def writeRegisters(self, slave, register, values):
try:
#### lock shared resources #####
self.COMsemaphore.acquire(1)
self.connect()
self.master.write_registers(int(register), values, unit=int(slave))
time.sleep(.03)
except Exception as ex:
# self.disconnect()
_, _, exc_tb = sys.exc_info()
self.adderror(
(QApplication.translate("Error Message", "Modbus Error:", None)
+ " writeRegisters() {0}").format(str(ex)), exc_tb.tb_lineno)
finally:
if self.COMsemaphore.available() < 1:
self.COMsemaphore.release(1)
# function 16 (Write Multiple Holding Registers)
# value=int or float
# writes a single precision 32bit float (2-registers)
def writeWord(self, slave, register, value):
try:
#### lock shared resources #####
self.COMsemaphore.acquire(1)
self.connect()
builder = getBinaryPayloadBuilder(self.byteorderLittle,
self.wordorderLittle)
builder.add_32bit_float(float(value))
payload = builder.build() # .tolist()
self.master.write_registers(int(register),
payload,
unit=int(slave),
skip_encode=True)
time.sleep(.03)
except Exception as ex:
# self.disconnect()
_, _, exc_tb = sys.exc_info()
self.adderror(
(QApplication.translate("Error Message", "Modbus Error:", None)
+ " writeWord() {0}").format(str(ex)), exc_tb.tb_lineno)
finally:
if self.COMsemaphore.available() < 1:
self.COMsemaphore.release(1)
# translates given int value int a 16bit BCD and writes it into one register
def writeBCD(self, slave, register, value):
try:
#### lock shared resources #####
self.COMsemaphore.acquire(1)
self.connect()
builder = getBinaryPayloadBuilder(self.byteorderLittle,
self.wordorderLittle)
r = convert_to_bcd(int(value))
builder.add_16bit_uint(r)
payload = builder.build() # .tolist()
self.master.write_registers(int(register),
payload,
unit=int(slave),
skip_encode=True)
time.sleep(.03)
except Exception as ex:
# self.disconnect()
_, _, exc_tb = sys.exc_info()
self.adderror(
(QApplication.translate("Error Message", "Modbus Error:", None)
+ " writeWord() {0}").format(str(ex)), exc_tb.tb_lineno)
finally:
if self.COMsemaphore.available() < 1:
self.COMsemaphore.release(1)
# function 3 (Read Multiple Holding Registers) and 4 (Read Input Registers)
def readFloat(self, slave, register, code=3):
r = None
try:
#### lock shared resources #####
self.COMsemaphore.acquire(1)
self.connect()
if code in self.readingsCache and slave in self.readingsCache[code] and register in self.readingsCache[code][slave] \
and register+1 in self.readingsCache[code][slave]:
# cache hit
res = [
self.readingsCache[code][slave][register],
self.readingsCache[code][slave][register + 1]
]
decoder = getBinaryPayloadDecoderFromRegisters(
res, self.byteorderLittle, self.wordorderLittle)
r = decoder.decode_32bit_float()
return r
else:
retry = self.readRetries
while True:
if code == 3:
res = self.master.read_holding_registers(
int(register), 2, unit=int(slave))
else:
res = self.master.read_input_registers(int(register),
2,
unit=int(slave))
if res is None or res.isError(
): # requires pymodbus v1.5.1
if retry > 0:
retry = retry - 1
#time.sleep(0.020)
else:
raise Exception("Exception response")
else:
break
decoder = getBinaryPayloadDecoderFromRegisters(
res.registers, self.byteorderLittle, self.wordorderLittle)
r = decoder.decode_32bit_float()
if self.commError: # we clear the previous error and send a message
self.commError = False
self.adderror(
QApplication.translate("Error Message",
"Modbus Communication Resumed",
None))
return r
except Exception: # as ex:
# import traceback
# traceback.print_exc(file=sys.stdout)
# self.disconnect()
# _, _, exc_tb = sys.exc_info()
# self.adderror((QApplication.translate("Error Message","Modbus Error:",None) + " readFloat() {0}").format(str(ex)),exc_tb.tb_lineno)
self.adderror(
QApplication.translate("Error Message",
"Modbus Communication Error", None))
finally:
if self.COMsemaphore.available() < 1:
self.COMsemaphore.release(1)
#note: logged chars should be unicode not binary
if self.aw.seriallogflag:
ser_str = "MODBUS readFloat :{},{},{},{},{},{} || Slave = {} || Register = {} || Code = {} || Rx = {}".format(
self.comport, self.baudrate, self.bytesize, self.parity,
self.stopbits, self.timeout, slave, register, code, r)
self.addserial(ser_str)
# function 3 (Read Multiple Holding Registers) and 4 (Read Input Registers)
def readBCD(self, slave, register, code=3):
r = None
try:
#### lock shared resources #####
self.COMsemaphore.acquire(1)
self.connect()
if code in self.readingsCache and slave in self.readingsCache[code] and register in self.readingsCache[code][slave] \
and register+1 in self.readingsCache[code][slave]:
# cache hit
res = [
self.readingsCache[code][slave][register],
self.readingsCache[code][slave][register + 1]
]
decoder = getBinaryPayloadDecoderFromRegisters(
[res], self.byteorderLittle, self.wordorderLittle)
r = decoder.decode_32bit_uint()
return convert_from_bcd(r)
else:
retry = self.readRetries
while True:
if code == 3:
res = self.master.read_holding_registers(
int(register), 2, unit=int(slave))
else:
res = self.master.read_input_registers(int(register),
2,
unit=int(slave))
if res is None or res.isError(
): # requires pymodbus v1.5.1
if retry > 0:
retry = retry - 1
#time.sleep(0.020)
else:
raise Exception("Exception response")
else:
break
decoder = getBinaryPayloadDecoderFromRegisters(
res.registers, self.byteorderLittle, self.wordorderLittle)
r = decoder.decode_32bit_uint()
if self.commError: # we clear the previous error and send a message
self.commError = False
self.adderror(
QApplication.translate("Error Message",
"Modbus Communication Resumed",
None))
time.sleep(
0.020
) # we add a small sleep between requests to help out the slow Loring electronic
return convert_from_bcd(r)
except Exception: # as ex:
# import traceback
# traceback.print_exc(file=sys.stdout)
# self.disconnect()
# _, _, exc_tb = sys.exc_info()
# self.adderror((QApplication.translate("Error Message","Modbus Error:",None) + " readBCD() {0}").format(str(ex)),exc_tb.tb_lineno)
self.adderror(
QApplication.translate("Error Message",
"Modbus Communication Error", None))
finally:
if self.COMsemaphore.available() < 1:
self.COMsemaphore.release(1)
#note: logged chars should be unicode not binary
if self.aw.seriallogflag:
ser_str = "MODBUS readBCD : {},{},{},{},{},{} || Slave = {} || Register = {} || Code = {} || Rx = {}".format(
self.comport, self.baudrate, self.bytesize, self.parity,
self.stopbits, self.timeout, slave, register, code, r)
self.addserial(ser_str)
# as readSingleRegister, but does not retry nor raise and error and returns a None instead
# also does not reserve the port via a semaphore!
def peekSingleRegister(self, slave, register, code=3):
try:
if code == 1:
res = self.master.read_coils(int(register), 1, unit=int(slave))
elif code == 2:
res = self.master.read_discrete_inputs(int(register),
1,
unit=int(slave))
elif code == 4:
res = self.master.read_input_registers(int(register),
1,
unit=int(slave))
else: # code==3
res = self.master.read_holding_registers(int(register),
1,
unit=int(slave))
except Exception:
res = None
if res is not None and not res.isError(): # requires pymodbus v1.5.1
if code in [1, 2]:
if res is not None and res.bits[0]:
return 1
else:
return 0
else:
decoder = getBinaryPayloadDecoderFromRegisters(
res.registers, self.byteorderLittle, self.wordorderLittle)
r = decoder.decode_16bit_uint()
return r
else:
return None
# function 1 (Read Coil)
# function 2 (Read Discrete Input)
# function 3 (Read Multiple Holding Registers) and
# function 4 (Read Input Registers)
def readSingleRegister(self, slave, register, code=3):
# import logging
# logging.basicConfig()
# log = logging.getLogger()
# log.setLevel(logging.DEBUG)
r = None
try:
#### lock shared resources #####
self.COMsemaphore.acquire(1)
self.connect()
if code in self.readingsCache and slave in self.readingsCache[
code] and register in self.readingsCache[code][slave]:
# cache hit
res = self.readingsCache[code][slave][register]
decoder = getBinaryPayloadDecoderFromRegisters(
[res], self.byteorderLittle, self.wordorderLittle)
r = decoder.decode_16bit_uint()
return r
else:
retry = self.readRetries
while True:
try:
if code == 1:
res = self.master.read_coils(int(register),
1,
unit=int(slave))
elif code == 2:
res = self.master.read_discrete_inputs(
int(register), 1, unit=int(slave))
elif code == 4:
res = self.master.read_input_registers(
int(register), 1, unit=int(slave))
else: # code==3
res = self.master.read_holding_registers(
int(register), 1, unit=int(slave))
except Exception:
res = None
if res is None or res.isError(
): # requires pymodbus v1.5.1
if retry > 0:
retry = retry - 1
time.sleep(0.020)
else:
raise Exception("Exception response")
else:
break
if code in [1, 2]:
if res is not None and res.bits[0]:
r = 1
else:
r = 0
if self.commError: # we clear the previous error and send a message
self.commError = False
self.adderror(
QApplication.translate(
"Error Message",
"Modbus Communication Resumed", None))
return r
else:
decoder = getBinaryPayloadDecoderFromRegisters(
res.registers, self.byteorderLittle,
self.wordorderLittle)
r = decoder.decode_16bit_uint()
if self.commError: # we clear the previous error and send a message
self.commError = False
self.adderror(
QApplication.translate(
"Error Message",
"Modbus Communication Resumed", None))
return r
except Exception: # as ex:
# self.disconnect()
# import traceback
# traceback.print_exc(file=sys.stdout)
# _, _, exc_tb = sys.exc_info()
# self.adderror((QApplication.translate("Error Message","Modbus Error:",None) + " readSingleRegister() {0}").format(str(ex)),exc_tb.tb_lineno)
self.adderror(
QApplication.translate("Error Message",
"Modbus Communication Error", None))
self.commError = True
finally:
if self.COMsemaphore.available() < 1:
self.COMsemaphore.release(1)
#note: logged chars should be unicode not binary
if self.aw.seriallogflag:
ser_str = "MODBUS readSingleRegister : {},{},{},{},{},{} || Slave = {} || Register = {} || Code = {} || Rx = {}".format(
self.comport, self.baudrate, self.bytesize, self.parity,
self.stopbits, self.timeout, slave, register, code, r)
self.addserial(ser_str)
def setTarget(self, sv):
if self.PID_slave_ID:
multiplier = 1.
if self.SVmultiplier == 1:
multiplier = 10.
elif self.SVmultiplier == 2:
multiplier = 100.
self.writeSingleRegister(self.PID_slave_ID, self.PID_SV_register,
int(round(sv * multiplier)))
def setPID(self, p, i, d):
if self.PID_slave_ID and not (self.PID_p_register ==
self.PID_i_register ==
self.PID_d_register == 0):
multiplier = 1.
if self.PIDmultiplier == 1:
multiplier = 10.
elif self.PIDmultiplier == 2:
multiplier = 100.
self.writeSingleRegister(self.PID_slave_ID, self.PID_p_register,
p * multiplier)
self.writeSingleRegister(self.PID_slave_ID, self.PID_i_register,
i * multiplier)
self.writeSingleRegister(self.PID_slave_ID, self.PID_d_register,
d * multiplier)
if len(sys.argv) >= 2:
address = int(sys.argv[1])
start_address = int(sys.argv[2])
else:
address = 0x03
start_address = 500
client_settings = A(ip='192.168.55.4',
port=8000,
id=0x01,
start_address=start_address)
# rtu master
from pymodbus.client.sync import ModbusSerialClient as ModbusClient
client = ModbusClient(method="rtu", port="/dev/ttyUSB1",baudrate=9600,timeout=2)
client.connect()
rr = client.read_holding_registers(0x0062, 4, unit=address)
print [hex(i) for i in rr.registers]
d = rr.registers
regs_rr = [
[0x1100, 4], # f1, f2
[0x1120, 6], # t1, t2, delta_t
[0x1140, 4], # p1, p2
[0x1160, 4], # m1, m2
[0x1180, 2], # q1
[0x130e, 16], # e1, m1, m2, delta_m, t1, t2, p1, p2
[0x132c, 2], # v3
]
class EPsolarTracerClient:
''' EPsolar Tracer client
'''
def __init__(self, unit=1, serialclient=None, **kwargs):
''' Initialize a serial client instance
'''
self.unit = unit
if serialclient is None:
port = kwargs.get('port', 'COM1')
baudrate = kwargs.get('baudrate', 115200)
self.client = ModbusClient(
method="rtu",
port=port,
stopbits=1,
bytesize=8,
parity='N',
baudrate=baudrate,
timeout = 1.0
)
else:
self.client = serialclient
def connect(self):
''' Connect to the serial
:returns: True if connection succeeded, False otherwise
'''
cc = self.client.connect()
if cc is False:
print("Unable to open port. Quitting")
quit()
return cc
def close(self):
''' Closes the underlying connection
'''
return self.client.close()
def read_device_info(self):
#request = ReadDeviceInformationRequest(unit = self.unit)
request = ReadDeviceInformationRequest(unit=self.unit)
response = self.client.execute(request)
return response
def read_input(self, name):
register = registerByName(name)
if register.is_coil():
response = self.client.read_coils(register.address, register.size, unit=self.unit)
elif register.is_discrete_input():
response = self.client.read_discrete_inputs(register.address, register.size, unit=self.unit)
elif register.is_input_register():
response = self.client.read_input_registers(register.address, register.size, unit=self.unit)
else:
response = self.client.read_holding_registers(register.address, register.size, unit=self.unit)
return register.decode(response)
def write_output(self, name, value):
register = registerByName(name)
values = register.encode(value)
response = False
if register.is_coil():
self.client.write_coil(register.address, values, unit=self.unit)
response = True
elif register.is_discrete_input():
log.error("Cannot write discrete input " + repr(name))
pass
elif register.is_input_register():
log.error("Cannot write input register " + repr(name))
pass
else:
self.client.write_registers(register.address, values, unit=self.unit)
response = True
return response
def __enter__(self):
self.connect()
print("Context mngr connect")
return self
def __exit__(self,type,value,traceback):
self.close()
print("Context mngr close")
def device_polling():
if DashingEnabled:
Dashlog.append("Starting device poller")
ui.display()
else:
log.info("Starting device poller")
CONF_ORNO = False
CONF_EM370 = True
CONF_SOLIS_4G_3P = True
CONF_JANITZA_B23 = True
CONF_EMONCMS = True
RtuclientState = False
QuerryNb = 0
HostName = 'emoncms.powerdale.com'
ModbusHost = "10.10.10.101"
ModbusPort = 502
emon_host = "emoncms.powerdale.com"
emon_url = "/input/post.json?node="
emon_privateKey = "4dbf608f20eab1ad1d1bf4512dc85d1c"
emon_node = "B4E"
# for cycle in range(0, 2000):
# vchart.append(50 + 50 * math.sin(cycle / 16.0))
# hchart.append(99.9 * abs(math.sin(cycle / 26.0)))
# bchart.append(50 + 50 * math.sin(cycle / 6.0))
# ui.display()
OR_WE_514_Registers = testmap.generate_device_dict(
'./mapping_tools/or_we_514-v1-1_1.json')
EEM_MA370_Registers = testmap.generate_device_dict(
'./mapping_tools/eem_ma370-v1-1_1.json')
SOLIS_4G_Registers = testmap.generate_device_dict(
'./mapping_tools/solis_4g_3p-v1-1_1.json')
JANITZA_B23_Registers = testmap.generate_device_dict(
'./mapping_tools/janitza_b23-v1-1_1.json')
#print(OR_WE_514_Registers)
#print(json.dumps(EEM_MA370_Registers, indent='\t'))
#print(OR_WE_514_Registers)
#print(EEM_MA370_Registers)
print(SOLIS_4G_Registers)
SolarInverter = copy.deepcopy(SOLIS_4G_Registers)
Grid = copy.deepcopy(EEM_MA370_Registers)
Evse = copy.deepcopy(JANITZA_B23_Registers)
SOLIS_Config = {
'Solar': {
"NAME": "Inverter",
"PORT": "/dev/ttyUSB0",
"ADDRESS": 1,
"DATA": SolarInverter
}
}
EEM_Config = {
'Grid': {
"NAME": "Grid",
"PORT": "",
"ADDRESS": 1,
"DATA": Grid
}
}
B23_Config = {
'Evse': {
"NAME": "Evse",
"PORT": "/dev/ttyUSB1",
"ADDRESS": 2,
"DATA": Evse
}
}
# Create modbus clients
if CONF_EM370:
try:
TcpClient = ModbusTcpClient(host=ModbusHost,
port=ModbusPort,
auto_open=True,
timeout=5)
if DashingEnabled:
Dashlog.append(
f"Modbus TCP client connected: {TcpClient.connect()}")
else:
log.info(f"Modbus TCP client connected: {TcpClient.connect()}")
except Exception as e:
if DashingEnabled:
DashErrors.append("Exception %s" % str(e))
ui.display()
else:
log.info("Exception %s" % str(e))
pass
if CONF_SOLIS_4G_3P:
try:
Rtuclient = ModbusRtuClient(method='rtu',
port='/dev/ttyUSB0',
stopbits=1,
bytesize=8,
parity='N',
baudrate=9600,
timeout=1)
if DashingEnabled:
Dashlog.append(f"Modbus RTU port open: {Rtuclient.connect()}")
else:
print(f"Modbus RTU port open: {Rtuclient.connect()}")
except Exception as e:
if DashingEnabled:
DashErrors.append("Exception %s" % str(e))
ui.display()
else:
log.info("Exception %s" % str(e))
pass
if CONF_JANITZA_B23:
try:
Rtuclient2 = ModbusRtuClient(method='rtu',
port='/dev/ttyUSB1',
stopbits=1,
bytesize=8,
parity='N',
baudrate=9600,
timeout=1)
if DashingEnabled:
Dashlog.append(f"Modbus RTU port open: {Rtuclient2.connect()}")
else:
print(f"Modbus RTU port open: {Rtuclient2.connect()}")
except Exception as e:
if DashingEnabled:
DashErrors.append("Exception %s" % str(e))
ui.display()
else:
log.info("Exception %s" % str(e))
pass
try:
while True:
#os.system('cls' if os.name == 'nt' else 'clear')
QuerryNb = QuerryNb + 1
if CONF_EM370 and TcpClient.is_socket_open():
if DashingEnabled:
Dashlog.append("Read EEM_MA370")
ui.display()
else:
log.info("Read EEM_MA370")
for x, z in EEM_Config.items():
if DashingEnabled:
Dashlog.append(f"Reading slave {z['NAME']}")
MyDict = z['DATA']
#print (MyDict)
for k, y in MyDict.items():
#Log.append(y['Name'])
if (y['Name'] == 'Active power'):
if DashingEnabled:
Dashlog.append(
f"Active power: {y['Value']:.01f}W")
hchart.title = f"Active power: {y['Value']:.0f}W"
hchart.append(100 * y['Value'] / 5000)
ui.display()
rr = None
try:
rr = TcpClient.read_holding_registers(
y['Address'], y['Size'])
except Exception as e:
if DashingEnabled:
DashErrors.append("Exception %s" % str(e))
ui.display()
else:
log.info("Exception %s" % str(e))
if (isinstance(rr, ReadHoldingRegistersResponse)
and (len(rr.registers) == y['Size'])):
decoder = BinaryPayloadDecoder.fromRegisters(
rr.registers,
byteorder=Endian.Big,
wordorder=Endian.Little)
decoded = OrderedDict([
('string', decoder.decode_string),
('bits', decoder.decode_bits),
('8int', decoder.decode_8bit_int),
('8uint', decoder.decode_8bit_uint),
('16int', decoder.decode_16bit_int),
('16uint', decoder.decode_16bit_uint),
('32int', decoder.decode_32bit_int),
('32uint', decoder.decode_32bit_uint),
('16float', decoder.decode_16bit_float),
('16float2', decoder.decode_16bit_float),
('32float', decoder.decode_32bit_float),
('32float2', decoder.decode_32bit_float),
('64int', decoder.decode_64bit_int),
('64uint', decoder.decode_64bit_uint),
('ignore', decoder.skip_bytes),
('64float', decoder.decode_64bit_float),
('64float2', decoder.decode_64bit_float),
])
y['Value'] = round(
decoded[y['Type']]() * y['Scale'], 3)
#print ( "Register: " + y['Name'] + " = " + str(y['Value']) + " " + y['Units'])
#print ( f"Register: {y['Name']} = {y['Value']:.02f} {y['Units']}")
#print("HOME")
Rtuclient.connect()
if CONF_SOLIS_4G_3P and Rtuclient.is_socket_open():
if DashingEnabled:
Dashlog.append("Read Solis-4G inverter")
ui.display()
else:
log.info("Read Solis-4G inverter")
for x, z in SOLIS_Config.items():
if DashingEnabled:
Dashlog.append(f"Reading slave {z['NAME']}")
DashMeas1.append("")
DashMeas1.append(f"Reading slave {z['NAME']}")
ui.display()
else:
log.info(f"Reading slave {z['NAME']}")
MyDict = z['DATA']
#print (MyDict)
for k, y in MyDict.items():
#print(z['ADDRESS'], y['Address'], y['Size'])
rr = None
try:
rr = Rtuclient.read_input_registers(
y['Address'], y['Size'], unit=z['ADDRESS'])
except Exception as e:
if DashingEnabled:
DashErrors.append("Exception %s" % str(e))
ui.display()
else:
log.info("Exception %s" % str(e))
pass
if (isinstance(rr, ReadInputRegistersResponse)
and (len(rr.registers) == y['Size'])):
decoder = BinaryPayloadDecoder.fromRegisters(
rr.registers,
byteorder=Endian.Big,
wordorder=Endian.Big)
decoded = OrderedDict([
('string', decoder.decode_string),
('bits', decoder.decode_bits),
('8int', decoder.decode_8bit_int),
('8uint', decoder.decode_8bit_uint),
('16int', decoder.decode_16bit_int),
('16uint', decoder.decode_16bit_uint),
('32int', decoder.decode_32bit_int),
('32uint', decoder.decode_32bit_uint),
('16float', decoder.decode_16bit_float),
('16float2', decoder.decode_16bit_float),
('32float', decoder.decode_32bit_float),
('32float2', decoder.decode_32bit_float),
('64int', decoder.decode_64bit_int),
('64uint', decoder.decode_64bit_uint),
('ignore', decoder.skip_bytes),
('64float', decoder.decode_64bit_float),
('64float2', decoder.decode_64bit_float),
])
y['Value'] = round(
decoded[y['Type']]() * y['Scale'], 3)
#print ( "Register: " + y['Name'] + " = " + str(y['Value']) + " " + y['Units'])
if DashingEnabled:
DashMeas1.append(
f"{y['Name']} = {y['Value']:.02f} {y['Units']}"
)
ui.display()
#print ( f"Register: {y['Name']} = {y['Value']:.02f} {y['Units']}")
# Rtuclient.close()
Rtuclient2.connect()
if CONF_JANITZA_B23 and Rtuclient2.is_socket_open():
if DashingEnabled:
Dashlog.append("Read EVSE charger")
ui.display()
else:
log.info("Read EVSE charger...")
for x, z in B23_Config.items():
if DashingEnabled:
Dashlog.append(f"Reading slave {z['NAME']}")
DashMeas1.append("")
DashMeas1.append(f"Reading slave {z['NAME']}")
ui.display()
else:
log.info(f"Reading slave {z['NAME']}")
MyDict = z['DATA']
print(MyDict)
for k, y in MyDict.items():
#print(z['ADDRESS'], y['Address'], y['Size'])
rr = None
try:
rr = Rtuclient2.read_holding_registers(
y['Address'], y['Size'], unit=z['ADDRESS'])
except Exception as e:
if DashingEnabled:
DashErrors.append("Exception %s" % str(e))
ui.display()
else:
log.info("Exception %s" % str(e))
pass
if (isinstance(rr, ReadHoldingRegistersResponse)
and (len(rr.registers) == y['Size'])):
decoder = BinaryPayloadDecoder.fromRegisters(
rr.registers,
byteorder=Endian.Big,
wordorder=Endian.Big)
decoded = OrderedDict([
('string', decoder.decode_string),
('bits', decoder.decode_bits),
('8int', decoder.decode_8bit_int),
('8uint', decoder.decode_8bit_uint),
('16int', decoder.decode_16bit_int),
('16uint', decoder.decode_16bit_uint),
('32int', decoder.decode_32bit_int),
('32uint', decoder.decode_32bit_uint),
('16float', decoder.decode_16bit_float),
('16float2', decoder.decode_16bit_float),
('32float', decoder.decode_32bit_float),
('32float2', decoder.decode_32bit_float),
('64int', decoder.decode_64bit_int),
('64uint', decoder.decode_64bit_uint),
('ignore', decoder.skip_bytes),
('64float', decoder.decode_64bit_float),
('64float2', decoder.decode_64bit_float),
])
y['Value'] = round(
decoded[y['Type']]() * y['Scale'], 3)
if math.isnan(y['Value']):
y['Value'] = 0
#print ( "Register: " + y['Name'] + " = " + str(y['Value']) + " " + y['Units'])
if DashingEnabled:
DashMeas1.append(
f"{y['Name']} = {y['Value']:.02f} {y['Units']}"
)
ui.display()
#print ( f"Register: {y['Name']} = {y['Value']:.02f} {y['Units']}")
# Rtuclient.close()
#print("HOME")
if DashingEnabled:
bchart.append(QuerryNb)
else:
log.info(f"Poller querry : {QuerryNb}")
#print ( "Querry %s" % QuerryNb)
if (CONF_EMONCMS and CONF_SOLIS_4G_3P):
SolarPower = 0
for x, z in SOLIS_Config.items():
if Rtuclient.is_socket_open():
reqdata = {}
#print("Slave: " + z['NAME'])
MyDict = z['DATA']
#print (z['DATA'])
for k, y in MyDict.items():
#DashErrors.append(y['Name'])
if (y['Name'] == 'Freq'):
vchart.append(50 + QuerryNb)
reqdata[f"{z['NAME']}{y['Name']}"] = y['Value']
#print('reqdata = {reqdata}')
req = MyEmon.senddata(reqdata)
reqstr = f'http://{emon_host}{emon_url}{emon_node}&json={json.dumps(reqdata)}&apikey={emon_privateKey}'
try:
r = requests.get(reqstr, timeout=10)
r.raise_for_status()
except requests.exceptions.HTTPError as errh:
print("Http Error:", errh)
except requests.exceptions.ConnectionError as errc:
print("Error Connecting:", errc)
except requests.exceptions.Timeout as errt:
print("Timeout Error:", errt)
except requests.exceptions.RequestException as err:
print("OOps: Something Else", err)
#print (r.status_code)
#log.info( f"EmonCMS send status {r.status_code}" )
if DashingEnabled:
Dashlog.append(
f"EmonCMS slave {z['NAME']} push status {r.status_code}"
)
ui.display()
else:
log.info(
f"EmonCMS slave {z['NAME']} push status {r.status_code}"
)
#print (r.content)
else:
#log.info( "EmonCMS ORNO unable to send" )
if DashingEnabled:
Dashlog.append(
f"EmonCMS slave {z['NAME']} nothing to push")
ui.display()
else:
log.info(
f"EmonCMS slave {z['NAME']} nothing to push")
if (CONF_EMONCMS and CONF_JANITZA_B23):
for x, z in B23_Config.items():
if Rtuclient2.is_socket_open():
reqdata = {}
#print("Slave: " + z['NAME'])
MyDict = z['DATA']
#print (z['DATA'])
for k, y in MyDict.items():
#DashErrors.append(y['Name'])
if (y['Name'] == 'Freq'):
vchart.append(50 + QuerryNb)
reqdata[f"{z['NAME']}{y['Name']}"] = y['Value']
#print('reqdata = {reqdata}')
req = MyEmon.senddata(reqdata)
reqstr = f'http://{emon_host}{emon_url}{emon_node}&json={json.dumps(reqdata)}&apikey={emon_privateKey}'
try:
r = requests.get(reqstr, timeout=10)
r.raise_for_status()
except requests.exceptions.HTTPError as errh:
print("Http Error:", errh)
except requests.exceptions.ConnectionError as errc:
print("Error Connecting:", errc)
except requests.exceptions.Timeout as errt:
print("Timeout Error:", errt)
except requests.exceptions.RequestException as err:
print("OOps: Something Else", err)
#print (r.status_code)
#log.info( f"EmonCMS send status {r.status_code}" )
if DashingEnabled:
Dashlog.append(
f"EmonCMS slave {z['NAME']} push status {r.status_code}"
)
ui.display()
else:
log.info(
f"EmonCMS slave {z['NAME']} push status {r.status_code}"
)
#print (r.content)
else:
#log.info( "EmonCMS ORNO unable to send" )
if DashingEnabled:
Dashlog.append(
f"EmonCMS slave {z['NAME']} nothing to push")
ui.display()
else:
log.info(
f"EmonCMS slave {z['NAME']} nothing to push")
if (CONF_EMONCMS and CONF_EM370):
for x, z in EEM_Config.items():
if TcpClient.is_socket_open():
reqdata = {}
#print("Slave: " + z['NAME'])
MyDict = z['DATA']
#print (z['DATA'])
for k, y in MyDict.items():
#DashErrors.append(y['Name'])
reqdata[f"{z['NAME']}{y['Name']}"] = y['Value']
#print('reqdata = {reqdata}')
reqstr = f'http://{emon_host}{emon_url}{emon_node}&json={json.dumps(reqdata)}&apikey={emon_privateKey}'
try:
r = requests.get(reqstr, timeout=10)
r.raise_for_status()
except requests.exceptions.HTTPError as errh:
print("Http Error:", errh)
except requests.exceptions.ConnectionError as errc:
print("Error Connecting:", errc)
except requests.exceptions.Timeout as errt:
print("Timeout Error:", errt)
except requests.exceptions.RequestException as err:
print("OOps: Something Else", err)
#print (r.status_code)
#log.info( f"EmonCMS send status {r.status_code}" )
if DashingEnabled:
Dashlog.append(
f"EmonCMS slave {z['NAME']} push status {r.status_code}"
)
ui.display()
else:
log.info(
f"EmonCMS slave {z['NAME']} push status {r.status_code}"
)
#print (r.content)
else:
#log.info( "EmonCMS ORNO unable to send" )
if DashingEnabled:
Dashlog.append(
f"EmonCMS slave {z['NAME']} nothing to push")
ui.display()
else:
log.info(
f"EmonCMS slave {z['NAME']} nothing to push")
time.sleep(5)
except Exception as e:
print("Exception %s" % str(e))
#!/usr/bin/env python # -*- coding: utf-8 -*- import sys from pymodbus.client.sync import ModbusSerialClient as ModbusClient from pymongo import MongoClient from datetime import datetime modbus = ModbusClient(method='rtu', port='/dev/ttyUSB0', baudrate=9600, stopbits=1, parity='N', bytesize=8, timeout=1) modbus.connect() read_registers = modbus.read_input_registers(0,33) registers = read_registers.registers #Status Inverter (Stat) 0=waiting 1=normaal 2=fault status = registers[0] if status != 1: sys.exit() pv_volts = float(registers[3])/10 #1V pv_amps = float(registers[4])/10 #1A pv_watts = float(registers[6])/10 #1W ac_watts = float(registers[12])/10 #1W ac_herz = float(registers[13])/100 #1Hz ac_volts = float(registers[14])/10 #1V ac_amps = float(registers[15])/10 #1A total_today = float(registers[27])/10 #1kWh total = float(registers[29])/10 #1kWh #Total runtime (Htot-low byte) 0.5S runtime_low = float(registers[30]) #Total runtime (Htot-high-byte) 0.5S runtime_high = float(registers[31]) temperature = float(registers[32])/10 #1C
try:
f = open('/dev/ttyUSB0')
seradd = "/dev/ttyUSB0"
f.close()
except:
seradd = "/dev/serial0"
sdmid = 105
Values = {}
actorstat = 0
evsefailure = 0
buchseconfigured = 1
loglevel = 1
from pymodbus.client.sync import ModbusSerialClient
client = ModbusSerialClient(method="rtu",
port=seradd,
baudrate=9600,
stopbits=1,
bytesize=8,
timeout=1)
def logDebug(level, msg):
if (int(level) >= int(loglevel)):
file = open('/var/www/html/openWB/ramdisk/isss.log', 'a')
if (int(level) == 0):
file.write(time.ctime() + ': ' + str(msg) + '\n')
if (int(level) == 1):
file.write(time.ctime() + ': ' + str(msg) + '\n')
if (int(level) == 2):
file.write(time.ctime() + ': ' +
str('\x1b[6;30;42m' + msg + '\x1b[0m') + '\n')
file.close()
def __init__(self,port='/dev/ttyUSB0',baudrate=115200):
self.port = port
self.baudrate = baudrate
self.m = ModbusSerialClient('rtu',port=self.port,baudrate=self.baudrate,
parity='E')
class Robotiq140(object):
def __init__(self, device='/dev/ttyUSB0', timeout=2):
self.client = None
for _ in range(20):
if not self.connectToDevice(device):
print('正在重新连接到robotiq140...')
time.sleep(0.2)
if not self.client.connect():
raise Exception('gripper connect error')
if self.is_reset():
self.reset()
self.activate(timeout)
def connectToDevice(self, device='/dev/ttyUSB0'):
""" 连接到modbus """
self.client = ModbusSerialClient(
method='rtu', port=device, stopbits=1, bytesize=8, baudrate=115200, timeout=0.2)
if not self.client.connect():
print("Unable to connect to %s" % device)
return False
return True
def disconnectFromDevice(self):
"""Close connection"""
self.client.close()
def _send_command(self, data):
""" Send a command to the Gripper - the method takes a list of uint8 as an argument.
The meaning of each variable depends on the Gripper model
(see support.robotiq.com for more details)
"""
# make sure data has an even number of elements
if(len(data) % 2 == 1):
data.append(0)
# Initiate message as an empty list
message = []
# Fill message by combining two bytes in one register
for i in range(int(len(data)/2)):
message.append((data[2*i] << 8) + data[2*i+1])
# To do!: Implement try/except
self.client.write_registers(0x03E8, message, unit=0x0009)
def _get_status(self, numBytes=6):
"""Sends a request to read, wait for the response and returns the Gripper status.
The method gets the number of bytes to read as an argument"""
numRegs = int(ceil(numBytes/2.0))
# To do!: Implement try/except
# Get status from the device
response = self.client.read_holding_registers(0x07D0, numRegs, unit=0x0009)
# Instantiate output as an empty list
output = []
# Fill the output with the bytes in the appropriate order
for i in range(0, numRegs):
output.append((response.getRegister(i) & 0xFF00) >> 8)
output.append(response.getRegister(i) & 0x00FF)
# Output the result
return output
def getStatus(self):
"""Request the status from the gripper and return it in the Robotiq2FGripper_robot_input msg type."""
# Acquire status from the Gripper
status = self._get_status(6)
# Message to output
message = {}
# 夹爪是否正常工作
message['gACT'] = (status[0] >> 0) & 0x01
# 夹爪是否正在移动,移动时不能接收下一个指令
message['gGTO'] = (status[0] >> 3) & 0x01
message['gSTA'] = (status[0] >> 4) & 0x03
# 是否检查到物体，0x00正在运动中没有物体，0x01物体在外面，0x02物体在里面，0x03运动到指定位置没有物体
message['gOBJ'] = (status[0] >> 6) & 0x03
# 错误信息
message['gFLT'] = status[2]
# 需要达到的位置，0x00全开，0xFF全闭
message['gPR'] = status[3]
# 当前位置
message['gPO'] = status[4]
# 10×电流=gCu(mA)
message['gCU'] = status[5]
return message
def sendCommand(self, command):
""" 把字典转化为可以直接发送的数组，并发送 """
# 限制数值上下限
for n in 'rACT rGTO rATR'.split():
command[n] = int(np.clip(command.get(n, 0), 0, 1))
for n in 'rPR rSP rFR'.split():
command[n] = int(np.clip(command.get(n, 0), 0, 255))
# 转换为要发送的数组
message = []
message.append(command['rACT'] + (command['rGTO'] << 3) + (command['rATR'] << 4))
message.append(0)
message.append(0)
for n in 'rPR rSP rFR'.split():
message.append(command[n])
return self._send_command(message)
def is_ready(self, status=None):
status = status or self.getStatus()
return status['gSTA'] == 3 and status['gACT'] == 1
def is_reset(self, status=None):
status = status or self.getStatus()
return status['gSTA'] == 0 or status['gACT'] == 0
def is_moving(self, status=None):
status = status or self.getStatus()
return status['gGTO'] == 1 and status['gOBJ'] == 0
def is_stopped(self, status=None):
status = status or self.getStatus()
return status['gOBJ'] != 0
def object_detected(self, status=None):
status = status or self.getStatus()
return status['gOBJ'] == 1 or status['gOBJ'] == 2
def get_fault_status(self, status=None):
status = status or self.getStatus()
return status['gFLT']
def get_pos(self, status=None):
status = status or self.getStatus()
po = status['gPO']
# TODO:这里的变换还要调一下
return np.clip(0.14/(13.-230.)*(po-230.), 0, 0.14)
def get_req_pos(self, status=None):
status = status or self.getStatus()
pr = status['gPR']
# TODO:这里的变换还要调一下
return np.clip(0.14/(13.-230.)*(pr-230.), 0, 0.14)
def is_closed(self, status=None):
status = status or self.getStatus()
return status['gPO'] >= 230
def is_opened(self, status=None):
status = status or self.getStatus()
return status['gPO'] <= 13
def get_current(self, status=None):
status = status or self.getStatus()
return status['gCU'] * 0.1
def wait_until_stopped(self, timeout=None):
start_time = time.time()
while not self.is_reset() and (not timeout or (time.time() - start_time) < timeout):
if self.is_stopped():
return True
time.sleep(0.1)
return False
def wait_until_moving(self, timeout=None):
start_time = time.time()
while not self.is_reset() and (not timeout or (time.time() - start_time) < timeout):
if not self.is_stopped():
return True
time.sleep(0.1)
return False
def reset(self):
cmd = {n: 0 for n in 'rACT rGTO rATR rPR rSP rFR'.split()}
self.sendCommand(cmd)
def activate(self, timeout=None):
cmd = dict(rACT=1, rGTO=1, rATR=0, rPR=0, rSP=255, rFR=150)
self.sendCommand(cmd)
start_time = time.time()
while not timeout or (time.time() - start_time) < timeout:
if self.is_ready():
return True
time.sleep(0.1)
return False
def auto_release(self):
cmd = {n: 0 for n in 'rACT rGTO rATR rPR rSP rFR'.split()}
cmd['rACT'] = 1
cmd['rATR'] = 1
self.sendCommand(cmd)
def goto(self, pos, vel=0.1, force=50, block=False, timeout=None):
cmd = {n: 0 for n in 'rACT rGTO rATR rPR rSP rFR'.split()}
cmd['rACT'] = 1
cmd['rGTO'] = 1
# cmd['rPR'] = int(np.clip((13.-230.)/0.14 * pos + 230., 0, 255))
cmd['rPR'] = int(np.clip((0.-230.)/0.143 * pos + 230., 0, 255))
cmd['rSP'] = int(np.clip(255./(0.1-0.013) * (vel-0.013), 0, 255))
cmd['rFR'] = int(np.clip(255./(100.-30.) * (force-30.), 0, 255))
self.sendCommand(cmd)
time.sleep(0.1)
if block:
if not self.wait_until_moving(timeout):
return False
return self.wait_until_stopped(timeout)
return True
def stop(self, block=False, timeout=-1):
cmd = {n: 0 for n in 'rACT rGTO rATR rPR rSP rFR'.split()}
cmd['rACT'] = 1
cmd['rGTO'] = 0
self.sendCommand(cmd)
time.sleep(0.1)
if block:
return self.wait_until_stopped(timeout)
return True
def open(self, vel=0.05, force=100, block=False, timeout=-1):
if self.is_opened():
return True
return self.goto(1.0, vel, force, block=block, timeout=timeout)
def close(self, vel=0.05, force=100, block=False, timeout=-1):
if self.is_closed():
return True
return self.goto(-1.0, vel, force, block=block, timeout=timeout)
def testSyncSerialRTUClientTimeouts(self):
client = ModbusSerialClient(method="rtu", baudrate=9600)
assert client.silent_interval == round((3.5 * 11 / 9600), 6)
client = ModbusSerialClient(method="rtu", baudrate=38400)
assert client.silent_interval == round((1.75 / 1000), 6)
#logger.error("started program!")
#sleep for 15 seconds before loop begins to allow other tasks to end.
print("start! waiting 15 secs...")
time.sleep(15)
print("15 secs have passed...")
while (1 == 1):
result_error_count = 0
result_error_count_if = 0
result_error_count_batt = 0
db = MySQLdb.connect(host="localhost",
user="******",
passwd="yy",
db="solardata")
client = ModbusClient(method='rtu', port='/dev/ttyUSB0', baudrate=115200)
client.connect()
print("modbus connected!")
try:
#the ModbusClient takes about 3 seconds to query the controller.
#add extra 7 seconds to make it poll every 10 seconds.
#time.sleep(7)
#result = client.read_input_registers(0x3100,6,unit=1)
try:
print("reading data from modbus...")
result = client.read_input_registers(0x3100, 20, unit=1)
print("data received! = " + str(result))
except Exception as e:
print("error reading modbus")
from pymodbus.transaction import ModbusRtuFramer
import logging
logging.basicConfig()
log = logging.getLogger()
log.setLevel(logging.DEBUG)
#count= the number of registers to read
#unit= the slave unit this request is targeting
#address= the starting address to read from
PORT= "COM8"
client= ModbusClient(method = "rtu", port=PORT,
stopbits = 1,
bytesize = 8,
parity = 'N',
baudrate=19200,
timeout = 10)
#Connect to the serial modbus server
connection = client.connect()
print( connection)
#Starting add, num of reg to read, slave unit.
# result= client.read_holding_registers(0x00, 5 ,unit= 0x01)
# print(result)
#Starting add, num of reg to read, slave unit.
#result= client.read_holding_registers(18,11,unit= 1)
#print(result)
# print(result)
def testSerialClientRepr(self):
client = ModbusSerialClient()
rep = "<{} at {} socket={}, method={}, timeout={}>".format(
client.__class__.__name__, hex(id(client)), client.socket,
client.method, client.timeout)
self.assertEqual(repr(client), rep)
import logging
logging.basicConfig()
log = logging.getLogger()
log.setLevel(logging.DEBUG)
#---------------------------------------------------------------------------#
# choose the client you want
#---------------------------------------------------------------------------#
# make sure to start an implementation to hit against. For this
# you can use an existing device, the reference implementation in the tools
# directory, or start a pymodbus server.
#
# It should be noted that you can supply an ipv4 or an ipv6 host address for
# both the UDP and TCP clients.
#---------------------------------------------------------------------------#
client = ModbusClient(method='rtu', port="/dev/ttyp0")
# client = ModbusClient('127.0.0.1', port=5020)
client.connect()
#---------------------------------------------------------------------------#
# import the extended messages to perform
#---------------------------------------------------------------------------#
from pymodbus.diag_message import *
from pymodbus.file_message import *
from pymodbus.other_message import *
from pymodbus.mei_message import *
#---------------------------------------------------------------------------#
# extra requests
#---------------------------------------------------------------------------#
# If you are performing a request that is not available in the client
def testBasicSyncSerialClient(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._recv(1))
# connect/disconnect
self.assertTrue(client.connect())
client.close()
# already closed socket
client.socket = False
client.close()
self.assertEqual('ascii baud[19200]', str(client))
import RPi.GPIO as gpio
gpio.setwarnings(False)
gpio.setmode(gpio.BOARD)
gpio.setup(36,gpio.OUT)
gpio.output(36,0)
#############################################################################################
server = "data.sparkfun.com" # base URL of your feed
publicKey = "9b1g78xoMjs8787z3OwZ" #"GEGLXdO3dnHDKar5x2xW"
privateKey = "xv9R17XkDntnYnYr259q" #"Nnlxo7DK7Vij456RVJVD"
fields = ["aux_temp","bat_temp","comp_curr","hp","lp","milk_temp"] # Your feed's data fields
# from pymodbus.client.sync import ModbusSerialClient as ModbusClient
client=ModbusClient(method='rtu',port='/dev/ttyUSB0',baudrate=9600,timeout=1,parity='N')
client.connect()
db = MySQLdb.connect(host="localhost", user="******",passwd="root", db="temp_database")
cur = db.cursor()
response=client.read_holding_registers(0004,6,unit=1) #(starting addr, no of registers to be read, slave addr)
responseFault=client.read_holding_registers(0022,14,unit=1)
with open('/var/www/html/AutomationProject/file2.json')as f:
data = json.loads(f.read())
print data['serial']
serialNum = data['serial']
######################### Read MOD-BUS registers ############################
class pancakeuniformityFixture(
hardware_station_common.test_station.test_fixture.TestFixture):
"""
class for auo unif Fixture
this is for doing all the specific things necessary to interface with instruments
"""
def __init__(self, station_config, operator_interface):
hardware_station_common.test_station.test_fixture.TestFixture.__init__(
self, station_config, operator_interface)
self._serial_port = None
self._verbose = station_config.IS_VERBOSE
self._start_delimiter = ':'
self._end_delimiter = '\r\n'
self._error_msg = 'This command is illegal,please check it again'
self._read_error = False
self._particle_counter_client = None # type: ModbusSerialClient
def is_ready(self):
if self._serial_port is not None:
resp = self._read_response(2)
btn_dic = {
2: r'BUTTON_LEFT:\d',
1: r'BUTTON_RIGHT:\d',
0: r'BUTTON:\d'
}
if resp:
for key, item in btn_dic.items():
items = filter(lambda r: re.match(item, r, re.I), resp)
if items:
return key
def initialize(self):
self._operator_interface.print_to_console(
"Initializing auo uniformity Fixture\n")
self._serial_port = serial.Serial(self._station_config.FIXTURE_COMPORT,
115200,
parity='N',
stopbits=1,
timeout=1,
xonxoff=0,
rtscts=0)
if self._station_config.FIXTURE_PARTICLE_COUNTER:
parity = 'N'
Defaults.Retries = 5
Defaults.RetryOnEmpty = True
self._particle_counter_client = ModbusSerialClient(
method='rtu',
baudrate=9600,
bytesize=8,
parity=parity,
stopbits=1,
port=self._station_config.FIXTURE_PARTICLE_COMPORT,
timeout=2000)
if not self._particle_counter_client.connect():
raise pancakeuniformityFixtureError(
'Unable to open particle counter port: %s' %
self._station_config.FIXTURE_PARTICLE_COMPORT)
if not self._serial_port:
raise pancakeuniformityFixtureError(
'Unable to open fixture port: %s' %
self._station_config.FIXTURE_COMPORT)
else:
self._operator_interface.print_to_console(
"Fixture %s Initialized.\n" %
self._station_config.FIXTURE_COMPORT)
return True
def _parsing_response(self, response):
value = []
for item in response[1:len(response) - 1]:
value.append((item.split(self._start_delimiter))[1].split(
self._end_delimiter)[0])
return value
def _write_serial(self, input_bytes):
self._serial_port.flush()
if self._verbose:
print("flushed")
print('writing: ' + input_bytes)
bytes_written = self._serial_port.write(input_bytes)
return bytes_written
def _read_response(self, timeout=5):
response = []
line_in = ""
tim = time.time()
while (not re.search("@_@", line_in, re.IGNORECASE)
and (time.time() - tim < timeout)):
line_in = self._serial_port.readline()
if line_in != "":
response.append(line_in)
if self._verbose and len(response) > 1:
pprint.pprint(response)
return response
######################
# Fixture info
######################
def help(self):
self._write_serial(self._station_config.COMMAND_HELP)
response = self._read_response()
if self._verbose:
print(response)
return response
def reset(self):
self._write_serial(self._station_config.COMMAND_RESET)
response = self._read_response()
if self._verbose:
print(response[1])
value = (response[1].split(self._start_delimiter))[1].split(
self._end_delimiter)[0]
return value
def id(self):
self._write_serial(self._station_config.COMMAND_ID)
response = self._read_response()
if self._verbose:
print(response[1])
value = (response[1].split(self._start_delimiter))[1].split(
self._end_delimiter)[0]
return value
def version(self):
self._write_serial(self._station_config.COMMAND_VERSION)
response = self._read_response()
if self._verbose:
print(response[1])
value = (response[1].split(self._start_delimiter))[1].split(
self._end_delimiter)[0]
return value
def close(self):
self._operator_interface.print_to_console("Closing auo unif Fixture\n")
if hasattr(self, '_serial_port') \
and self._serial_port is not None \
and self._station_config.FIXTURE_COMPORT:
self.elminator_off()
self._serial_port.close()
self._serial_port = None
if hasattr(self, '_particle_counter_client') and \
self._particle_counter_client is not None \
and self._station_config.FIXTURE_PARTICLE_COUNTER:
self._particle_counter_client.close()
self._particle_counter_client = None
if self._verbose:
print("====== Fixture Close =========")
return True
######################
# Fixture control
######################
def elminator_on(self):
self._write_serial(self._station_config.COMMAND_ELIMINATOR_ON)
#time.sleep(CARRIER_LOAD_TIME)
response = self._read_response()
if self._verbose:
print(response[1])
if "0" in response[1]:
value = 0
elif self._error_msg not in response[1]:
value = (response[1].split(self._start_delimiter))[1].split(
self._end_delimiter)[0]
else:
value = None
self._read_error = "True"
raise pancakeuniformityFixtureError("Fail to Read %s" %
response[0])
return value
def elminator_off(self):
self._write_serial(self._station_config.COMMAND_ELIMINATOR_OFF)
#time.sleep(CARRIER_LOAD_TIME)
response = self._read_response()
if self._verbose:
print(response[1])
if "0" in response[1]:
value = 0
elif self._error_msg not in response[1]:
value = (response[1].split(self._start_delimiter))[1].split(
self._end_delimiter)[0]
else:
value = None
self._read_error = "True"
raise pancakeuniformityFixtureError("Fail to Read %s" %
response[0])
return value
def load(self):
self._write_serial(self._station_config.COMMAND_LOAD)
#time.sleep(CARRIER_LOAD_TIME)
response = self._read_response()
if self._verbose:
print(response[1])
if "0" in response[1]:
value = 0
elif self._error_msg not in response[1]:
value = (response[1].split(self._start_delimiter))[1].split(
self._end_delimiter)[0]
else:
value = None
self._read_error = "True"
raise pancakeuniformityFixtureError("Fail to Read %s" %
response[0])
return value
def unload(self):
self._write_serial(self._station_config.COMMAND_UNLOAD)
#time.sleep(CARRIER_UNLOAD_TIME)
response = self._read_response()
if self._verbose:
print(response[1])
if "0" in response[1]: ## temporary fix for FW1.0.20161114
value = 0
elif self._error_msg not in response[1]:
value = (response[1].split(self._start_delimiter))[1].split(
self._end_delimiter)[0]
else:
value = None
self._read_error = "True"
raise pancakeuniformityFixtureError("Fail to Read %s" %
response[0])
return value
def scan_serial(self):
self._write_serial(self._station_config.COMMAND_BARCODE)
#time.sleep(BARCODE_TIME)
response = self._read_response()
if self._verbose:
print(response[1])
if self._error_msg not in response[1]:
value = (response[1].split(self._start_delimiter))[1].split(
self._end_delimiter)[0]
else:
value = None
self._read_error = "True"
raise pancakeuniformityFixtureError("Fail to Read %s" %
response[0])
return value
######################
# Fixture button system control
######################
def button_enable(self):
self._write_serial(self._station_config.COMMAND_BUTTON_ENABLE)
response = self._read_response()
if self._verbose:
print(response[1])
if self._error_msg not in response[1]:
value = (response[1].split(self._start_delimiter))[1].split(
self._end_delimiter)[0]
else:
value = None
self._read_error = "True"
raise pancakeuniformityFixtureError("Fail to Read %s" %
response[0])
return value
def button_disable(self):
self._write_serial(self._station_config.COMMAND_BUTTON_DISABLE)
response = self._read_response()
if self._verbose:
print(response[1])
if self._error_msg not in response[1]:
value = (response[1].split(self._start_delimiter))[1].split(
self._end_delimiter)[0]
else:
value = None
self._read_error = "True"
raise pancakeuniformityFixtureError("Fail to Read %s" %
response[0])
return value
######################
# Particle Counter Control
######################
def particle_counter_on(self):
if self._particle_counter_client is not None:
wrs = self._particle_counter_client.\
write_register(self._station_config.FIXTRUE_PARTICLE_ADDR_START,
1, unit=self._station_config.FIXTURE_PARTICLE_ADDR)
if wrs is None or wrs.isError():
raise pancakeuniformityFixtureError(
'Failed to start particle counter .')
def particle_counter_off(self):
if self._particle_counter_client is not None:
self._particle_counter_client.write_register(
self._station_config.FIXTRUE_PARTICLE_ADDR_START,
0,
unit=self._station_config.FIXTURE_PARTICLE_ADDR
) # type: WriteSingleRegisterResponse
def particle_counter_read_val(self):
if self._particle_counter_client is not None:
val = None
retries = 1
while retries <= 10:
rs = self._particle_counter_client.read_holding_registers(
self._station_config.FIXTRUE_PARTICLE_ADDR_READ,
2,
unit=self._station_config.FIXTURE_PARTICLE_ADDR
) # type: ReadHoldingRegistersResponse
if rs is None or rs.isError():
if self._station_config.IS_VERBOSE:
print(
"Retries to read data from particle counter {}/10. "
.format(retries))
retries += 1
time.sleep(0.5)
else:
# val = rs.registers[0] * 65535 + rs.registers[1]
# modified by elton. for apc-r210/310
val = ctypes.c_int32(rs.registers[0] +
(rs.registers[1] << 16)).value
if hasattr(self._station_config, 'PARTICLE_COUNTER_APC'
) and self._station_config.PARTICLE_COUNTER_APC:
val = (ctypes.c_int32((rs.registers[0] << 16) +
rs.registers[1])).value
break
if val is None:
raise pancakeuniformityFixtureError(
'Failed to read data from particle counter.')
return val
def particle_counter_state(self):
if self._particle_counter_client is not None:
retries = 1
val = None
while retries <= 10 and val is None:
rs = self._particle_counter_client.read_holding_registers(
self._station_config.FIXTRUE_PARTICLE_ADDR_STATUS,
2,
unit=self._station_config.FIXTURE_PARTICLE_ADDR
) # type: ReadHoldingRegistersResponse
if rs is None or rs.isError():
if self._station_config.IS_VERBOSE:
pprint.pprint(
"Retries to read data from particle counter {0}/10. "
.format(retries))
continue
val = rs.registers[0]
if val is None:
raise pancakeuniformityFixtureError(
'Failed to read data from particle counter.')
return val
def testBasicSyncSerialClient(self, mock_serial):
''' Test the basic methods for the serial sync client'''
# receive/send
mock_serial.in_waiting = 0
mock_serial.write = lambda x: len(x)
mock_serial.read = lambda size: b'\x00' * size
client = ModbusSerialClient()
client.socket = mock_serial
client.state = 0
self.assertEqual(0, client._send(None))
client.state = 0
self.assertEqual(1, client._send(b'\x00'))
self.assertEqual(b'\x00', client._recv(1))
# connect/disconnect
self.assertTrue(client.connect())
client.close()
# already closed socket
client.socket = False
client.close()
self.assertEqual('ModbusSerialClient(ascii baud[19200])', str(client))
from pymodbus.payload import BinaryPayloadBuilder
import logging
logging.basicConfig()
log = logging.getLogger()
log.setLevel(logging.DEBUG)
#count= the number of registers to read
#unit= the slave unit this request is targeting
#address= the starting address to read from
client = ModbusClient(method="rtu",
port="/dev/ttyUSB0",
stopbits=1,
bytesize=8,
parity='N',
baudrate=115200,
timeout=0.5)
#Connect to the serial modbus server
connection = client.connect()
print(connection)
#builder = BinaryPayloadBuilder(byteorder=Endian.Big,wordorder=Endian.Little)
#builder.add_32bit_uint(0x11223344)
#builder.add_32bit_uint(0x55667788)
#payload = builder.to_registers()
#payload = builder.build()
def onCommand(self, Unit, Command, Level, Hue):
Domoticz.Log("onCommand called for Unit " + str(Unit) +
": Parameter '" + str(Command) + "', Level: " +
str(Level))
# ON/OFF payload value
payload = Level # Set payload from slider/scroll
# Set payload if a button has been pressed
if (str(Command) == "On"): payload = self.Domoticz_Setting_Payload_ON
if (str(Command) == "Off"): payload = self.Domoticz_Setting_Payload_OFF
########################################
# SET HARDWARE - pymodbus: RTU / ASCII
########################################
if (self.Domoticz_Setting_Communication_Mode == "rtu"
or self.Domoticz_Setting_Communication_Mode == "ascii"):
Domoticz.Debug("MODBUS DEBUG - INTERFACE: Port=" +
self.Domoticz_Setting_Serial_Port + ", BaudRate=" +
self.Domoticz_Setting_Baudrate + ", StopBits=" +
str(self.StopBits) + ", ByteSize=" +
str(self.ByteSize) + " Parity=" + self.Parity)
Domoticz.Debug("MODBUS DEBUG - SETTINGS: Method=" +
self.Domoticz_Setting_Communication_Mode +
", Device ID=" + self.Domoticz_Setting_Device_ID +
", Register=" +
self.Domoticz_Setting_Register_Number +
", Function=" +
self.Domoticz_Setting_Modbus_Function +
", Payload=" + payload)
try:
client = ModbusSerialClient(
method=self.Domoticz_Setting_Communication_Mode,
port=self.Domoticz_Setting_Serial_Port,
stopbits=self.StopBits,
bytesize=self.ByteSize,
parity=self.Parity,
baudrate=int(self.Domoticz_Setting_Baudrate),
timeout=2,
retries=2)
except:
Domoticz.Error("Error opening Serial interface on " +
self.Domoticz_Setting_Serial_Port)
Devices[1].Update(1, "0") # Set value to 0 (error)
########################################
# SET HARDWARE - pymodbus: RTU over TCP
########################################
if (self.Domoticz_Setting_Communication_Mode == "rtutcp"):
Domoticz.Debug("MODBUS DEBUG - INTERFACE: IP=" +
self.Domoticz_Setting_TCP_IP + ", Port=" +
self.Domoticz_Setting_TCP_PORT)
Domoticz.Debug("MODBUS DEBUG - SETTINGS: Method=" +
self.Domoticz_Setting_Communication_Mode +
", Device ID=" + self.Domoticz_Setting_Device_ID +
", Register=" +
self.Domoticz_Setting_Register_Number +
", Function=" +
self.Domoticz_Setting_Modbus_Function +
", Payload=" + payload)
try:
client = ModbusTcpClient(host=self.Domoticz_Setting_TCP_IP,
port=int(
self.Domoticz_Setting_TCP_PORT),
framer=ModbusRtuFramer,
auto_open=True,
auto_close=True,
timeout=2)
except:
Domoticz.Error(
"Error opening RTU over TCP interface on address: " +
self.Domoticz_Setting_TCP_IPPORT)
Devices[1].Update(1, "0") # Set value to 0 (error)
########################################
# SET HARDWARE - pymodbusTCP: TCP/IP
########################################
if (self.Domoticz_Setting_Communication_Mode == "tcpip"):
Domoticz.Debug("MODBUS DEBUG - INTERFACE: IP=" +
self.Domoticz_Setting_TCP_IP + ", Port=" +
self.Domoticz_Setting_TCP_PORT)
Domoticz.Debug("MODBUS DEBUG - SETTINGS: Method=" +
self.Domoticz_Setting_Communication_Mode +
", Device ID=" + self.Domoticz_Setting_Device_ID +
", Register=" +
self.Domoticz_Setting_Register_Number +
", Function" +
self.Domoticz_Setting_Modbus_Function +
", Payload=" + payload)
try:
client = ModbusClient(host=self.Domoticz_Setting_TCP_IP,
port=int(self.Domoticz_Setting_TCP_PORT),
unit_id=int(
self.Domoticz_Setting_Device_ID),
auto_open=True,
auto_close=True,
timeout=2)
except:
Domoticz.Error("Error opening TCP/IP interface on address: " +
self.Domoticz_Setting_TCP_IPPORT)
Devices[1].Update(1, "0") # Set value to 0 (error)
########################################
# WRITE PAYLOAD - pymodbus: RTU / ASCII / RTU over TCP
########################################
if (self.Domoticz_Setting_Communication_Mode == "rtu"
or self.Domoticz_Setting_Communication_Mode == "ascii"
or self.Domoticz_Setting_Communication_Mode == "rtutcp"):
try:
# Function to execute
if (self.Domoticz_Setting_Modbus_Function == "5"):
result = client.write_coil(
int(self.Domoticz_Setting_Device_ID),
int(payload, 16),
unit=int(self.Domoticz_Setting_Device_ID))
if (self.Domoticz_Setting_Modbus_Function == "6"):
result = client.write_register(
int(self.Domoticz_Setting_Device_ID),
int(payload, 16),
unit=int(self.Domoticz_Setting_Device_ID))
if (self.Domoticz_Setting_Modbus_Function == "15"):
result = client.write_coils(
int(self.Domoticz_Setting_Device_ID),
int(payload, 16),
unit=int(self.Domoticz_Setting_Device_ID))
if (self.Domoticz_Setting_Modbus_Function == "16"):
result = client.write_registers(
int(self.Domoticz_Setting_Device_ID),
int(payload, 16),
unit=int(self.Domoticz_Setting_Device_ID))
client.close()
Domoticz.Debug("MODBUS DEBUG - RESULT: " + str(result))
if (str(Command) == "On"):
Devices[1].Update(1, "1") # Update device to ON
if (str(Command) == "Off"):
Devices[1].Update(0, "0") # Update device to OFF
except:
Domoticz.Error(
"Modbus error communicating! (RTU/ASCII/RTU over TCP), check your settings!"
)
Devices[1].Update(1, "0") # Set value to 0 (error)
########################################
# SET PAYLOAD - pymodbusTCP: TCP/IP
########################################
if (self.Domoticz_Setting_Communication_Mode == "tcpip"):
try:
# Function to execute
if (self.Domoticz_Setting_Modbus_Function == "5"):
result = client.write_single_coil(
int(self.Domoticz_Setting_Device_ID), int(payload))
if (self.Domoticz_Setting_Modbus_Function == "6"):
result = client.write_single_register(
int(self.Domoticz_Setting_Device_ID), int(payload))
if (self.Domoticz_Setting_Modbus_Function == "15"):
result = client.write_multiple_coils(
int(self.Domoticz_Setting_Device_ID),
[payload
]) # TODO split up multiple bytes to proper array.
if (self.Domoticz_Setting_Modbus_Function == "16"):
result = client.write_multiple_registers(
int(self.Domoticz_Setting_Device_ID),
[payload
]) # TODO split up multiple bytes to proper array.
client.close()
Domoticz.Debug("MODBUS DEBUG - RESULT: " + str(result))
if (str(Command) == "On"):
Devices[1].Update(1, "1") # Update device to ON
if (str(Command) == "Off"):
Devices[1].Update(0, "0") # Update device to OFF
except:
Domoticz.Error(
"Modbus error communicating! (TCP/IP), check your settings!"
)
Devices[1].Update(1, "0") # Set value to 0 (error)
writer.writerow(['UTC', date, device, int(typeValue), value])
def startLocation():
with open('config.csv') as csvfile:
readCSV = csv.reader(csvfile, delimiter=',')
for row in readCSV:
location = row[0]
break
return location
print('\n \n Starting execution')
location = 'Waiting to read configuration'
print(location)
print("I'm located at " + startLocation())
client = ModbusClient(method='rtu', port='/dev/ttyUSB0', timeout=1, stopbits = 1, bytesize = 8, parity='N', baudrate= 9600)
client.connect()
pp = pprint.PrettyPrinter(indent=4)
startime = time()
values = []
print("\n")
now = datetime.datetime.utcnow()
dateName = now.strftime("%Y-%m-%d-%H-%M-%S")
print("Reading values at " , dateName)
with open('config.csv') as csvfile:
readCSV = csv.reader(csvfile, delimiter=',')
rownum = 0
header = 0
ip = []
usr = []
pwd = []
#!/usr/bin/python
import sys
# import os
# import time
# import getopt
# import socket
# import ConfigParser
import struct
# import binascii
from pymodbus.client.sync import ModbusSerialClient
seradd = str(sys.argv[1])
sdmid = int(sys.argv[2])
client = ModbusSerialClient(method = "rtu", port=seradd, baudrate=9600, stopbits=1, bytesize=8, timeout=1)
# rq = client.read_holding_registers(0,8,unit=5)
# print(rq.registers)
resp = client.read_input_registers(0x06,2, unit=sdmid)
print(struct.unpack('>f',struct.pack('>HH',*resp.registers)))
resp = client.read_input_registers(0x08,2, unit=sdmid)
print(struct.unpack('>f',struct.pack('>HH',*resp.registers)))
resp = client.read_input_registers(0x0A,2, unit=sdmid)
print(struct.unpack('>f',struct.pack('>HH',*resp.registers)))
resp = client.read_input_registers(0x0C,2, unit=sdmid)
print(struct.unpack('>f',struct.pack('>HH',*resp.registers)))
resp = client.read_input_registers(0x0E,2, unit=sdmid)
print(struct.unpack('>f',struct.pack('>HH',*resp.registers)))
resp = client.read_input_registers(0x10,2, unit=sdmid)
print(struct.unpack('>f',struct.pack('>HH',*resp.registers)))
resp = client.read_input_registers(0x0156,2, unit=sdmid)
#!/usr/bin/python
import sys
import os
import time
import getopt
import socket
import ConfigParser
import struct
import binascii
seradd = str(sys.argv[1])
from pymodbus.client.sync import ModbusSerialClient
client = ModbusSerialClient(method="rtu",
port=seradd,
baudrate=9600,
stopbits=1,
bytesize=8,
timeout=1)
#rq = client.read_holding_registers(0,8,unit=5)
#print(rq.registers)
sdmid = int(sys.argv[2])
sdm2id = int(sys.argv[3])
resp = client.read_input_registers(0x00, 2, unit=sdmid)
print(struct.unpack('>f', struct.pack('>HH', *resp.registers)))
resp = client.read_input_registers(0x06, 2, unit=sdmid)
print(struct.unpack('>f', struct.pack('>HH', *resp.registers)))
resp = client.read_input_registers(0x0C, 2, unit=sdmid)
print(struct.unpack('>f', struct.pack('>HH', *resp.registers)))
resp = client.read_input_registers(0x1E, 2, unit=sdmid)
print(struct.unpack('>f', struct.pack('>HH', *resp.registers)))
resp = client.read_input_registers(0x0156, 2, unit=sdmid)
class TE485Modbus(object):
def connect(self):
self.mb = ModbusSerialClient(
method='rtu',
port='/dev/extcomm/0/0',
stopbits=1,
bytesize=8,
parity=serial.PARITY_NONE,
baudrate=19200,
timeout=0.1,
)
def set_sensitivity(self, sensitivity):
''' Set the sensitivity of the load cell
0x00 ......... 2 mV/V
0x01 ......... 5 mV/V
0x02 ....... 10 mV/V
The greater the the sensitivity of the load cell means the
amplifier/adc has to be less sensitive and thus a same change will
cause smaller cange on the adc output.
'''
# Set sensitivity
self.mb.write_register(address=0, value=0xFF, unit=0x31)
self.mb.write_register(address=16, value=sensitivity, unit=0x31)
def calibrate(self, raw_zero, raw_full, full_cal_value):
# Set upper limit value.
self.mb.write_register(address=0, value=0xFF, unit=0x31)
self.mb.write_register(address=20, value=full_cal_value, unit=0x31)
# Calibrate zero
self.mb.write_register(address=0, value=0xFF, unit=0x31)
self.mb.write_register(address=18, value=raw_zero, unit=0x31)
# Calibrate full.
self.mb.write_register(address=0, value=0xFF, unit=0x31)
self.mb.write_register(address=19, value=raw_full, unit=0x31)
sleep(1)
def read(self):
r = self.mb.read_input_registers(0, count=3, unit=0x31)
status, cal, raw = r.registers
cal = ctypes.c_short(cal).value
raw = ctypes.c_short(raw).value
return status, cal, raw
def connect(self):
self.client = ModbusSerialClient('rtu',
port=self.port.port,
baudrate=self.port.baudrate,
timeout=self.port.timeout)
self.client.connect()
def connect(): try: client = None client = ModbusClient(retries = 0, method='rtu', port='/dev/ttyUSB1', baudrate=38400, stopbits=1, parity='N', bytesize=8, timeout=1) client.connect() return client except Exception as e: print "Error while connecting client: \n"+e.__str__()