This commit is contained in:
2020-07-09 13:34:34 -05:00
parent 714a872a08
commit de3490d49a
25 changed files with 4314 additions and 25 deletions

18
promagmbs/file_logger.py Normal file
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"""Logging setup for PiFlow"""
import logging
from logging.handlers import RotatingFileHandler
import sys
log_formatter = logging.Formatter('%(asctime)s %(levelname)s %(funcName)s(%(lineno)d) %(message)s')
log_file = './PiFlow.log'
my_handler = RotatingFileHandler(log_file, mode='a', maxBytes=500*1024,
backupCount=2, encoding=None, delay=0)
my_handler.setFormatter(log_formatter)
my_handler.setLevel(logging.INFO)
filelogger = logging.getLogger('PiFlow')
filelogger.setLevel(logging.INFO)
filelogger.addHandler(my_handler)
console_out = logging.StreamHandler(sys.stdout)
console_out.setFormatter(log_formatter)
filelogger.addHandler(console_out)

282
promagmbs/old/Channel.py Normal file
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"""Define Meshify channel class."""
from pycomm.ab_comm.clx import Driver as ClxDriver
from pycomm.cip.cip_base import CommError, DataError
import time
def binarray(intval):
"""Split an integer into its bits."""
bin_string = '{0:08b}'.format(intval)
bin_arr = [i for i in bin_string]
bin_arr.reverse()
return bin_arr
def read_tag(addr, tag):
"""Read a tag from the PLC."""
c = ClxDriver()
try:
if c.open(addr):
try:
v = c.read_tag(tag)
return v
except DataError:
c.close()
print("Data Error during readTag({}, {})".format(addr, tag))
except CommError:
# err = c.get_status()
c.close()
print("Could not connect during readTag({}, {})".format(addr, tag))
# print err
except AttributeError as e:
c.close()
print("AttributeError during readTag({}, {}): \n{}".format(addr, tag, e))
c.close()
return False
def read_array(addr, tag, start, end):
"""Read an array from the PLC."""
c = ClxDriver()
if c.open(addr):
arr_vals = []
try:
for i in range(start, end):
tag_w_index = tag + "[{}]".format(i)
v = c.read_tag(tag_w_index)
# print('{} - {}'.format(tag_w_index, v))
arr_vals.append(round(v[0], 4))
# print(v)
if len(arr_vals) > 0:
return arr_vals
else:
print("No length for {}".format(addr))
return False
except Exception:
print("Error during readArray({}, {}, {}, {})".format(addr, tag, start, end))
err = c.get_status()
c.close()
print err
pass
c.close()
def write_tag(addr, tag, val):
"""Write a tag value to the PLC."""
c = ClxDriver()
if c.open(addr):
try:
cv = c.read_tag(tag)
wt = c.write_tag(tag, val, cv[1])
return wt
except Exception:
print("Error during writeTag({}, {}, {})".format(addr, tag, val))
err = c.get_status()
c.close()
print err
c.close()
class Channel(object):
"""Holds the configuration for a Meshify channel."""
def __init__(self, mesh_name, data_type, chg_threshold, guarantee_sec, map_=False, write_enabled=False):
"""Initialize the channel."""
self.mesh_name = mesh_name
self.data_type = data_type
self.last_value = None
self.value = None
self.last_send_time = 0
self.chg_threshold = chg_threshold
self.guarantee_sec = guarantee_sec
self.map_ = map_
self.write_enabled = write_enabled
def __str__(self):
"""Create a string for the channel."""
return "{}\nvalue: {}, last_send_time: {}".format(self.mesh_name, self.value, self.last_send_time)
def check(self, new_value, force_send=False):
"""Check to see if the new_value needs to be stored."""
send_needed = False
send_reason = ""
if self.data_type == 'BOOL' or self.data_type == 'STRING':
if self.last_send_time == 0:
send_needed = True
send_reason = "no send time"
elif self.value is None:
send_needed = True
send_reason = "no value"
elif not (self.value == new_value):
if self.map_:
if not self.value == self.map_[new_value]:
send_needed = True
send_reason = "value change"
else:
send_needed = True
send_reason = "value change"
elif (time.time() - self.last_send_time) > self.guarantee_sec:
send_needed = True
send_reason = "guarantee sec"
elif force_send:
send_needed = True
send_reason = "forced"
else:
if self.last_send_time == 0:
send_needed = True
send_reason = "no send time"
elif self.value is None:
send_needed = True
send_reason = "no value"
elif abs(self.value - new_value) > self.chg_threshold:
send_needed = True
send_reason = "change threshold"
elif (time.time() - self.last_send_time) > self.guarantee_sec:
send_needed = True
send_reason = "guarantee sec"
elif force_send:
send_needed = True
send_reason = "forced"
if send_needed:
self.last_value = self.value
if self.map_:
try:
self.value = self.map_[new_value]
except KeyError:
print("Cannot find a map value for {} in {} for {}".format(new_value, self.map_, self.mesh_name))
self.value = new_value
else:
self.value = new_value
self.last_send_time = time.time()
print("Sending {} for {} - {}".format(self.value, self.mesh_name, send_reason))
return send_needed
def read(self):
"""Read the value."""
pass
def identity(sent):
"""Return exactly what was sent to it."""
return sent
class ModbusChannel(Channel):
"""Modbus channel object."""
def __init__(self, mesh_name, register_number, data_type, chg_threshold, guarantee_sec, channel_size=1, map_=False, write_enabled=False, transformFn=identity):
"""Initialize the channel."""
super(ModbusChannel, self).__init__(mesh_name, data_type, chg_threshold, guarantee_sec, map_, write_enabled)
self.mesh_name = mesh_name
self.register_number = register_number
self.channel_size = channel_size
self.data_type = data_type
self.last_value = None
self.value = None
self.last_send_time = 0
self.chg_threshold = chg_threshold
self.guarantee_sec = guarantee_sec
self.map_ = map_
self.write_enabled = write_enabled
self.transformFn = transformFn
def read(self, mbsvalue):
"""Return the transformed read value."""
return self.transformFn(mbsvalue)
class PLCChannel(Channel):
"""PLC Channel Object."""
def __init__(self, ip, mesh_name, plc_tag, data_type, chg_threshold, guarantee_sec, map_=False, write_enabled=False):
"""Initialize the channel."""
super(PLCChannel, self).__init__(mesh_name, data_type, chg_threshold, guarantee_sec, map_, write_enabled)
self.plc_ip = ip
self.mesh_name = mesh_name
self.plc_tag = plc_tag
self.data_type = data_type
self.last_value = None
self.value = None
self.last_send_time = 0
self.chg_threshold = chg_threshold
self.guarantee_sec = guarantee_sec
self.map_ = map_
self.write_enabled = write_enabled
def read(self):
"""Read the value."""
plc_value = None
if self.plc_tag and self.plc_ip:
read_value = read_tag(self.plc_ip, self.plc_tag)
if read_value:
plc_value = read_value[0]
return plc_value
class BoolArrayChannels(Channel):
"""Hold the configuration for a set of boolean array channels."""
def __init__(self, ip, mesh_name, plc_tag, data_type, chg_threshold, guarantee_sec, map_=False, write_enabled=False):
"""Initialize the channel."""
self.plc_ip = ip
self.mesh_name = mesh_name
self.plc_tag = plc_tag
self.data_type = data_type
self.last_value = None
self.value = None
self.last_send_time = 0
self.chg_threshold = chg_threshold
self.guarantee_sec = guarantee_sec
self.map_ = map_
self.write_enabled = write_enabled
def compare_values(self, new_val_dict):
"""Compare new values to old values to see if the values need storing."""
send = False
for idx in new_val_dict:
try:
if new_val_dict[idx] != self.last_value[idx]:
send = True
except KeyError:
print("Key Error in self.compare_values for index {}".format(idx))
send = True
return send
def read(self, force_send=False):
"""Read the value and check to see if needs to be stored."""
send_needed = False
send_reason = ""
if self.plc_tag:
v = read_tag(self.plc_ip, self.plc_tag)
if v:
bool_arr = binarray(v[0])
new_val = {}
for idx in self.map_:
try:
new_val[self.map_[idx]] = bool_arr[idx]
except KeyError:
print("Not able to get value for index {}".format(idx))
if self.last_send_time == 0:
send_needed = True
send_reason = "no send time"
elif self.value is None:
send_needed = True
send_reason = "no value"
elif self.compare_values(new_val):
send_needed = True
send_reason = "value change"
elif (time.time() - self.last_send_time) > self.guarantee_sec:
send_needed = True
send_reason = "guarantee sec"
elif force_send:
send_needed = True
send_reason = "forced"
if send_needed:
self.value = new_val
self.last_value = self.value
self.last_send_time = time.time()
print("Sending {} for {} - {}".format(self.value, self.mesh_name, send_reason))
return send_needed

10
promagmbs/old/Maps.py Normal file
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"""Holds map values for promagmbs."""
promagmbs_map = {}
def reverse_map(value, map_):
"""Perform the opposite of mapping to an object."""
for x in map_:
if map_[x] == value:
return x
return None

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promagmbs/old/config.txt Normal file
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{
"files": {
"file3": "modbusMap.p",
"file2": "utilities.py",
"file1": "promagmbs.py"
},
"deviceName": "promagmbs",
"driverId": "0190",
"releaseVersion": "4",
"driverFileName": "promagmbs.py"
}

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promagmbs/old/modbusMap.p Normal file

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"""Data persistance functions."""
# if more advanced persistence is needed, use a sqlite database
import json
def load(filename="persist.json"):
"""Load persisted settings from the specified file."""
try:
with open(filename, 'r') as persist_file:
return json.load(persist_file)
except Exception:
return False
def store(persist_obj, filename="persist.json"):
"""Store the persisting settings into the specified file."""
try:
with open(filename, 'w') as persist_file:
return json.dump(persist_obj, persist_file)
except Exception:
return False

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"""Driver for promagmbs."""
import threading
from device_base import deviceBase
from utilities import get_public_ip_address
import time
import logging
import sys
from logging.handlers import RotatingFileHandler
log_formatter = logging.Formatter('%(asctime)s %(levelname)s %(funcName)s(%(lineno)d) %(message)s')
logFile = './promagmbs.log'
my_handler = RotatingFileHandler(logFile, mode='a', maxBytes=500*1024, backupCount=2, encoding=None, delay=0)
my_handler.setFormatter(log_formatter)
my_handler.setLevel(logging.INFO)
logger = logging.getLogger('promagmbs')
logger.setLevel(logging.INFO)
logger.addHandler(my_handler)
console_out = logging.StreamHandler(sys.stdout)
console_out.setFormatter(log_formatter)
logger.addHandler(console_out)
_ = None
class start(threading.Thread, deviceBase):
"""Start class required by Meshify."""
def __init__(self, name=None, number=None, mac=None, Q=None, mcu=None, companyId=None, offset=None, mqtt=None, Nodes=None):
"""Initialize the driver."""
threading.Thread.__init__(self)
deviceBase.__init__(self, name=name, number=number, mac=mac, Q=Q, mcu=mcu, companyId=companyId, offset=offset, mqtt=mqtt, Nodes=Nodes)
self.daemon = True
self.version = "4"
self.finished = threading.Event()
self.forceSend = False
threading.Thread.start(self)
# this is a required function for all drivers, its goal is to upload some piece of data
# about your device so it can be seen on the web
def register(self):
"""Register the driver."""
# self.sendtodb("log", "BOOM! Booted.", 0)
pass
def run(self):
# pass
"""Actually run the driver."""
global persist
wait_sec = 60
for i in range(0, wait_sec):
logger.info("promagmbs driver will start in {} seconds".format(wait_sec - i))
time.sleep(1)
logger.warning("BOOM! Starting promagmbs driver...")
public_ip_address = get_public_ip_address()
self.sendtodbDev(1, 'public_ip_address', public_ip_address, 0, 'promagmbs')
send_loops = 0
watchdog_loops = 0
watchdog_check_after = 5000
while True:
if self.forceSend:
logger.warning("FORCE SEND: TRUE")
logger.info("promagmbs driver still alive...")
if self.forceSend:
if send_loops > 2:
logger.warning("Turning off forceSend")
self.forceSend = False
send_loops = 0
else:
send_loops += 1
watchdog_loops += 1
if (watchdog_loops >= watchdog_check_after):
test_public_ip = get_public_ip_address()
if not test_public_ip == public_ip_address:
self.sendtodbDev(1, 'public_ip_address', test_public_ip, 0, 'promagmbs')
public_ip_address = test_public_ip
watchdog_loops = 0
time.sleep(10)
def promagmbs_sync(self, name, value):
"""Sync all data from the driver."""
self.forceSend = True
self.sendtodb("log", "synced", 0)
return True

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"""Utility functions for the driver."""
import socket
import struct
def get_public_ip_address():
"""Find the public IP Address of the host device."""
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(("8.8.8.8", 80))
ip = s.getsockname()[0]
s.close()
return ip
def int_to_float16(int_to_convert):
"""Convert integer into float16 representation."""
bin_rep = ('0' * 16 + '{0:b}'.format(int_to_convert))[-16:]
sign = -1 ** int(bin_rep[0])
exponent = int(bin_rep[1:6], 2)
fraction = int(bin_rep[7:17], 2)
return sign * 2 ** (exponent - 15) * float("1.{}".format(fraction))
def ints_to_float(intlist):
"""Convert 2 registers into a floating point number."""
mypack = struct.pack('>HH', intlist[0], intlist[1])
f = struct.unpack('>f', mypack)
print("{} >> {}".format(intlist, f[0]))
return f[0]
def degf_to_degc(temp_f):
"""Convert deg F to deg C."""
return (temp_f - 32.0) * (5.0/9.0)
def degc_to_degf(temp_c):
"""Convert deg C to deg F."""
return temp_c * 1.8 + 32.0

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promagmbs/rework/Channel.py Normal file
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"""Define Meshify channel class."""
from pycomm.ab_comm.clx import Driver as ClxDriver
from pycomm.cip.cip_base import CommError, DataError
import time
import minimalmodbusM1
from file_logger import filelogger as log
import struct
def binarray(intval):
"""Split an integer into its bits."""
bin_string = '{0:08b}'.format(intval)
bin_arr = [i for i in bin_string]
bin_arr.reverse()
return bin_arr
def read_tag(addr, tag):
"""Read a tag from the PLC."""
c = ClxDriver()
try:
if c.open(addr):
try:
v = c.read_tag(tag)
return v
except DataError:
c.close()
print("Data Error during readTag({}, {})".format(addr, tag))
except CommError:
# err = c.get_status()
c.close()
print("Could not connect during readTag({}, {})".format(addr, tag))
# print err
except AttributeError as e:
c.close()
print("AttributeError during readTag({}, {}): \n{}".format(addr, tag, e))
c.close()
return False
def read_array(addr, tag, start, end):
"""Read an array from the PLC."""
c = ClxDriver()
if c.open(addr):
arr_vals = []
try:
for i in range(start, end):
tag_w_index = tag + "[{}]".format(i)
v = c.read_tag(tag_w_index)
# print('{} - {}'.format(tag_w_index, v))
arr_vals.append(round(v[0], 4))
# print(v)
if len(arr_vals) > 0:
return arr_vals
else:
print("No length for {}".format(addr))
return False
except Exception:
print("Error during readArray({}, {}, {}, {})".format(addr, tag, start, end))
err = c.get_status()
c.close()
print err
pass
c.close()
def write_tag(addr, tag, val):
"""Write a tag value to the PLC."""
c = ClxDriver()
if c.open(addr):
try:
cv = c.read_tag(tag)
wt = c.write_tag(tag, val, cv[1])
return wt
except Exception:
print("Error during writeTag({}, {}, {})".format(addr, tag, val))
err = c.get_status()
c.close()
print err
c.close()
class Channel(object):
"""Holds the configuration for a Meshify channel."""
def __init__(self, mesh_name, data_type, chg_threshold, guarantee_sec, map_=False, write_enabled=False):
"""Initialize the channel."""
self.mesh_name = mesh_name
self.data_type = data_type
self.last_value = None
self.value = None
self.last_send_time = 0
self.chg_threshold = chg_threshold
self.guarantee_sec = guarantee_sec
self.map_ = map_
self.write_enabled = write_enabled
def __str__(self):
"""Create a string for the channel."""
return "{}\nvalue: {}, last_send_time: {}".format(self.mesh_name, self.value, self.last_send_time)
def check(self, new_value, force_send=False):
"""Check to see if the new_value needs to be stored."""
send_needed = False
send_reason = ""
if self.data_type == 'BOOL' or self.data_type == 'STRING':
if self.last_send_time == 0:
send_needed = True
send_reason = "no send time"
elif self.value is None:
send_needed = True
send_reason = "no value"
elif not (self.value == new_value):
if self.map_:
if not self.value == self.map_[new_value]:
send_needed = True
send_reason = "value change"
else:
send_needed = True
send_reason = "value change"
elif (time.time() - self.last_send_time) > self.guarantee_sec:
send_needed = True
send_reason = "guarantee sec"
elif force_send:
send_needed = True
send_reason = "forced"
else:
if self.last_send_time == 0:
send_needed = True
send_reason = "no send time"
elif self.value is None:
send_needed = True
send_reason = "no value"
elif abs(self.value - new_value) > self.chg_threshold:
send_needed = True
send_reason = "change threshold"
elif (time.time() - self.last_send_time) > self.guarantee_sec:
send_needed = True
send_reason = "guarantee sec"
elif force_send:
send_needed = True
send_reason = "forced"
if send_needed:
self.last_value = self.value
if self.map_:
try:
self.value = self.map_[new_value]
except KeyError:
print("Cannot find a map value for {} in {} for {}".format(new_value, self.map_, self.mesh_name))
self.value = new_value
else:
self.value = new_value
self.last_send_time = time.time()
print("Sending {} for {} - {}".format(self.value, self.mesh_name, send_reason))
return send_needed
def read(self):
"""Read the value."""
pass
def identity(sent):
"""Return exactly what was sent to it."""
return sent
def volume_units(vunit):
units = {
0: "cm cubed/s",
1: "cm cubed/min",
2: "cm cubed/h",
3: "cm cubed/d",
4: "dm cubed/s",
5: "dm cubed/min",
6: "dm cubed/h",
7: "dm cubed/d",
8: "m cubed/s",
9: "m cubed/min",
10: "m cubed/h",
11: "m cubed/d",
12: "ml/s",
13: "ml/min",
14: "ml/h",
15: "ml/d",
16: "l/s",
17: "l/min",
18: "l/h (+)",
19: "l/d",
20: "hl/s",
21: "hl/min",
22: "hl/h",
23: "hl/d",
24: "Ml/s",
25: "Ml/min",
26: "Ml/h",
27: "Ml/d",
32: "af/s",
33: "af/min",
34: "af/h",
35: "af/d",
36: "ft cubed/s",
37: "ft cubed/min",
38: "ft cubed/h",
39: "ft cubed/d",
40: "fl oz/s (us)",
41: "fl oz/min (us)",
42: "fl oz/h (us)",
43: "fl oz/d (us)",
44: "gal/s (us)",
45: "gal/min (us)",
46: "gal/h (us)",
47: "gal/d (us)",
48: "Mgal/s (us)",
49: "Mgal/min (us)",
50: "Mgal/h (us)",
51: "Mgal/d (us)",
52: "bbl/s (us;liq.)",
53: "bbl/min (us;liq.)",
54: "bbl/h (us;liq.)",
55: "bbl/d (us;liq.)",
56: "bbl/s (us;beer)",
57: "bbl/min (us;beer)",
58: "bbl/h (us;beer)",
59: "bbl/d (us;beer)",
60: "bbl/s (us;oil)",
61: "bbl/min (us;oil)",
62: "bbl/h (us;oil)",
63: "bbl/d (us;oil)",
64: "bbl/s (us;tank)",
65: "bbl/min (us;tank)",
66: "bbl/h (us;tank)",
67: "bbl/d (us;tank)",
68: "gal/s (imp)",
69: "gal/min (imp)",
70: "gal/h (imp)",
71: "gal/d (imp)",
72: "Mgal/s (imp)",
73: "Mgal/min (imp)",
74: "Mgal/h (imp)",
75: "Mgal/d (imp)",
76: "bbl/s (imp;beer)",
77: "bbl/min (imp;beer)",
78: "bbl/h (imp;beer)",
79: "bbl/d (imp;beer)",
80: "bbl/s (imp;oil)",
81: "bbl/min (imp;oil)",
82: "bbl/h (imp;oil)",
83: "bbl/d (imp;oil)",
88: "kgal/s (us)",
89: "kgal/min (us)",
90: "kgal/h (us)",
91: "kgal/d (us)",
92: "MMft cubed/s",
93: "MMft cubed/min",
94: "MMft cubed/h",
96: "Mft cubed/d"
}
return units[vunit]
def totalizer_units(tunit):
units = {
0: "cm cubed",
1: "dm cubed",
2: "m cubed",
3: "ml",
4: "l",
5: "hl",
6: "Ml Mega",
8: "af",
9: "ft cubed",
10: "fl oz (us)",
11: "gal (us)",
12: "Mgal (us)",
13: "bbl (us;liq.)",
14: "bbl (us;beer)",
15: "bbl (us;oil)",
16: "bbl (us;tank)",
17: "gal (imp)",
18: "Mgal (imp)",
19: "bbl (imp;beer)",
20: "bbl (imp;oil)",
22: "kgal (us)",
23: "Mft cubed",
50: "g",
51: "kg",
52: "t",
53: "oz",
54: "lb",
55: "STon",
100: "Nl",
101: "Nm cubed",
102: "Sm cubed",
103: "Sft cubed",
104: "Sl",
105: "Sgal (us)",
106: "Sbbl (us;liq.)",
107: "Sgal (imp)",
108: "Sbbl (us;oil)",
109: "MMSft cubed",
110: "Nhl",
251: "None"
}
return units[tunit]
class ModbusChannel(Channel):
"""Modbus channel object."""
def __init__(self, mesh_name, register_number, data_type, chg_threshold, guarantee_sec, channel_size=1, map_=False, write_enabled=False, transform_fn=identity, unit_number=1, scaling=0, mcu=None):
"""Initialize the channel."""
super(ModbusChannel, self).__init__(mesh_name, data_type, chg_threshold, guarantee_sec, map_, write_enabled)
self.mesh_name = mesh_name
self.register_number = register_number
self.channel_size = channel_size
self.data_type = data_type
self.last_value = None
self.value = None
self.last_send_time = 0
self.chg_threshold = chg_threshold
self.guarantee_sec = guarantee_sec
self.map_ = map_
self.write_enabled = write_enabled
self.transform_fn = transform_fn
self.unit_number = unit_number
self.scaling= scaling
self.mcu = mcu
baud = 9600
connected = False
while connected == False:
try:
#print("CONNECTING!!!!!!!!!!!!!!!!!!!!!!!!!")
connected = self.mcu.set485Baud(baud)
time.sleep(1)
except Exception as e:
print("Error on connect: ", e)
serial4 = self.mcu.rs485
self.instrument = minimalmodbusM1.Instrument(1, serial4)
self.instrument.address = 1
def read(self):
"""Return the transformed read value."""
if self.data_type == "FLOAT":
try:
read_value = self.instrument.read_float(self.register_number,4,self.channel_size)
except IOError as e:
log.error(e)
return None
elif self.data_type == "INTEGER" or self.data_type == "STRING":
try:
read_value = self.instrument.read_register(self.register_number, self.scaling, 4)
except IOError as e:
log.error(e)
return None
elif self.data_type == "FLOATBS":
try:
t = self.instrument.read_registers(self.register_number, 2, 3)
read_value = round(self.byteSwap32(t), 2)
except IOError as e:
log.error(e)
return None
read_value = self.transform_fn(read_value)
return read_value
def byteSwap32(self, array):
newVal = ""
for i in array:
i = hex(i).replace('0x', '')
while len(i) < 4:
i = "0" + i
print i
newVal = i + newVal
print newVal
return struct.unpack('!f', newVal.decode('hex'))[0]
class PLCChannel(Channel):
"""PLC Channel Object."""
def __init__(self, ip, mesh_name, plc_tag, data_type, chg_threshold, guarantee_sec, map_=False, write_enabled=False):
"""Initialize the channel."""
super(PLCChannel, self).__init__(mesh_name, data_type, chg_threshold, guarantee_sec, map_, write_enabled)
self.plc_ip = ip
self.mesh_name = mesh_name
self.plc_tag = plc_tag
self.data_type = data_type
self.last_value = None
self.value = None
self.last_send_time = 0
self.chg_threshold = chg_threshold
self.guarantee_sec = guarantee_sec
self.map_ = map_
self.write_enabled = write_enabled
def read(self):
"""Read the value."""
plc_value = None
if self.plc_tag and self.plc_ip:
read_value = read_tag(self.plc_ip, self.plc_tag)
if read_value:
plc_value = read_value[0]
return plc_value
class BoolArrayChannels(Channel):
"""Hold the configuration for a set of boolean array channels."""
def __init__(self, ip, mesh_name, plc_tag, data_type, chg_threshold, guarantee_sec, map_=False, write_enabled=False):
"""Initialize the channel."""
self.plc_ip = ip
self.mesh_name = mesh_name
self.plc_tag = plc_tag
self.data_type = data_type
self.last_value = None
self.value = None
self.last_send_time = 0
self.chg_threshold = chg_threshold
self.guarantee_sec = guarantee_sec
self.map_ = map_
self.write_enabled = write_enabled
def compare_values(self, new_val_dict):
"""Compare new values to old values to see if the values need storing."""
send = False
for idx in new_val_dict:
try:
if new_val_dict[idx] != self.last_value[idx]:
send = True
except KeyError:
print("Key Error in self.compare_values for index {}".format(idx))
send = True
return send
def read(self, force_send=False):
"""Read the value and check to see if needs to be stored."""
send_needed = False
send_reason = ""
if self.plc_tag:
v = read_tag(self.plc_ip, self.plc_tag)
if v:
bool_arr = binarray(v[0])
new_val = {}
for idx in self.map_:
try:
new_val[self.map_[idx]] = bool_arr[idx]
except KeyError:
print("Not able to get value for index {}".format(idx))
if self.last_send_time == 0:
send_needed = True
send_reason = "no send time"
elif self.value is None:
send_needed = True
send_reason = "no value"
elif self.compare_values(new_val):
send_needed = True
send_reason = "value change"
elif (time.time() - self.last_send_time) > self.guarantee_sec:
send_needed = True
send_reason = "guarantee sec"
elif force_send:
send_needed = True
send_reason = "forced"
if send_needed:
self.value = new_val
self.last_value = self.value
self.last_send_time = time.time()
print("Sending {} for {} - {}".format(self.value, self.mesh_name, send_reason))
return send_needed

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{
"files": {
"file6": "persistence.py",
"file5": "file_logger.py",
"file4": "Channel.py",
"file3": "modbusMap.p",
"file2": "utilities.py",
"file1": "promagmbs.py"
},
"deviceName": "promagmbs",
"driverId": "0190",
"releaseVersion": "5",
"driverFileName": "promagmbs.py"
}

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"""Logging setup for PiFlow"""
import logging
from logging.handlers import RotatingFileHandler
import sys
log_formatter = logging.Formatter('%(asctime)s %(levelname)s %(funcName)s(%(lineno)d) %(message)s')
log_file = './PiFlow.log'
my_handler = RotatingFileHandler(log_file, mode='a', maxBytes=500*1024,
backupCount=2, encoding=None, delay=0)
my_handler.setFormatter(log_formatter)
my_handler.setLevel(logging.INFO)
filelogger = logging.getLogger('PiFlow')
filelogger.setLevel(logging.INFO)
filelogger.addHandler(my_handler)
console_out = logging.StreamHandler(sys.stdout)
console_out.setFormatter(log_formatter)
filelogger.addHandler(console_out)

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"""Data persistance functions."""
# if more advanced persistence is needed, use a sqlite database
import json
def load(filename="persist.json"):
"""Load persisted settings from the specified file."""
try:
with open(filename, 'r') as persist_file:
return json.load(persist_file)
except Exception:
return False
def store(persist_obj, filename="persist.json"):
"""Store the persisting settings into the specified file."""
try:
with open(filename, 'w') as persist_file:
return json.dump(persist_obj, persist_file, indent=4)
except Exception:
return False

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"""Driver for promagmbs."""
import threading
from device_base import deviceBase
from utilities import get_public_ip_address
import time
import logging
import sys
from logging.handlers import RotatingFileHandler
from Channel import Channel, ModbusChannel, volume_units, totalizer_units
from datetime import datetime as dt
from drivers import minimalmodbusM1
import persistence
log_formatter = logging.Formatter('%(asctime)s %(levelname)s %(funcName)s(%(lineno)d) %(message)s')
logFile = './promagmbs.log'
my_handler = RotatingFileHandler(logFile, mode='a', maxBytes=500*1024, backupCount=2, encoding=None, delay=0)
my_handler.setFormatter(log_formatter)
my_handler.setLevel(logging.INFO)
logger = logging.getLogger('promagmbs')
logger.setLevel(logging.INFO)
logger.addHandler(my_handler)
console_out = logging.StreamHandler(sys.stdout)
console_out.setFormatter(log_formatter)
logger.addHandler(console_out)
# PERSISTENCE FILE
PERSIST = persistence.load('persist.json')
if not PERSIST:
PERSIST = {
'yesterday_totalizer_1': dt.today().day,
'yesterday_totalizer_2': dt.today().day,
'yesterday_totalizer_3': dt.today().day,
'yesterday_total_totalizer_1': 0,
'yesterday_total_midnight_totalizer_1': 0,
'yesterday_total_totalizer_2': 0,
'yesterday_total_midnight_totalizer_2': 0,
'yesterday_total_totalizer_3': 0,
'yesterday_total_midnight_totalizer_3': 0
}
persistence.store(PERSIST, 'persist.json')
_ = None
class start(threading.Thread, deviceBase):
"""Start class required by Meshify."""
def __init__(self, name=None, number=None, mac=None, Q=None, mcu=None, companyId=None, offset=None, mqtt=None, Nodes=None):
"""Initialize the driver."""
threading.Thread.__init__(self)
deviceBase.__init__(self, name=name, number=number, mac=mac, Q=Q, mcu=mcu, companyId=companyId, offset=offset, mqtt=mqtt, Nodes=Nodes)
self.lock = threading.Lock()
self.mcu = mcu
self.daemon = True
self.version = "5"
self.finished = threading.Event()
self.forceSend = False
threading.Thread.start(self)
# this is a required function for all drivers, its goal is to upload some piece of data
# about your device so it can be seen on the web
def register(self):
"""Register the driver."""
# self.sendtodb("log", "BOOM! Booted.", 0)
pass
def run(self):
# pass
"""Actually run the driver."""
global persist
flowmeter_unit_number = 1
with self.lock:
CHANNELS = [
ModbusChannel('volume_flow', 2008, 'FLOATBS', 500, 3600,channel_size=2, unit_number=flowmeter_unit_number,mcu=self.mcu),
ModbusChannel('conductivity', 2012, 'FLOATBS', 500, 3600,channel_size=2, unit_number=flowmeter_unit_number,mcu=self.mcu),
ModbusChannel('totalizer_1', 2609, 'FLOATBS', 100, 3600,channel_size=2, unit_number=flowmeter_unit_number,mcu=self.mcu),
ModbusChannel('totalizer_2', 2809, 'FLOATBS', 100, 3600,channel_size=2, unit_number=flowmeter_unit_number,mcu=self.mcu),
ModbusChannel('totalizer_3', 3009, 'FLOATBS', 100, 3600,channel_size=2, unit_number=flowmeter_unit_number,mcu=self.mcu),
ModbusChannel('volume_flow_units', 2102, 'STRING', 1, 86400,channel_size=1, unit_number=flowmeter_unit_number, transform_fn=volume_units,mcu=self.mcu),
ModbusChannel('totalizer_1_units', 4603, 'STRING', 1, 86400,channel_size=1, unit_number=flowmeter_unit_number, transform_fn=totalizer_units,mcu=self.mcu),
ModbusChannel('totalizer_2_units', 4604, 'STRING', 1, 86400,channel_size=1, unit_number=flowmeter_unit_number, transform_fn=totalizer_units,mcu=self.mcu),
ModbusChannel('totalizer_3_units', 4605, 'STRING', 1, 86400,channel_size=1, unit_number=flowmeter_unit_number, transform_fn=totalizer_units,mcu=self.mcu)
]
wait_sec = 20
for i in range(0, wait_sec):
logger.info("promagmbs driver will start in {} seconds".format(wait_sec - i))
time.sleep(1)
logger.warning("BOOM! Starting promagmbs driver...")
public_ip_address = get_public_ip_address()
self.sendtodbDev(1, 'public_ip_address', public_ip_address, 0, 'promagmbs')
send_loops = 0
watchdog_loops = 0
watchdog_check_after = 5000
while True:
if self.forceSend:
logger.warning("FORCE SEND: TRUE")
for chan in CHANNELS:
try:
val = None
with self.lock:
for _ in range(3):
temp = chan.read()
if not temp == None:
val = temp
if val == None:
logger.info("No modbus data sending previous value")
val = chan.value
if chan.mesh_name in ['totalizer_1','totalizer_2','totalizer_3']:
right_now = dt.today()
today_total, yesterday_total = self.totalize(val, PERSIST['yesterday_'+chan.mesh_name], right_now.day, right_now.hour, right_now.minute, PERSIST['yesterday_total_midnight_'+chan.mesh_name], PERSIST['yesterday_total_'+chan.mesh_name], chan.mesh_name)
if chan.check(val, self.forceSend):
self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'promagmbs')
self.sendtodbDev(1,chan.mesh_name + "_today", today_total,0,'promagmbs')
self.sendtodbDev(1,chan.mesh_name + "_yesterday", yesterday_total,0,'promagmbs')
else:
if chan.check(val, self.forceSend):
self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'promagmbs')
except Exception as e:
logger.warning("An error occured: {}".format(e))
time.sleep(3)
logger.info("promagmbs driver still alive...")
if self.forceSend:
if send_loops > 2:
logger.warning("Turning off forceSend")
self.forceSend = False
send_loops = 0
else:
send_loops += 1
watchdog_loops += 1
if (watchdog_loops >= watchdog_check_after):
test_public_ip = get_public_ip_address()
if not test_public_ip == public_ip_address:
self.sendtodbDev(1, 'public_ip_address', test_public_ip, 0, 'promagmbs')
public_ip_address = test_public_ip
watchdog_loops = 0
time.sleep(10)
def promagmbs_sync(self, name, value):
"""Sync all data from the driver."""
self.forceSend = True
self.sendtodb("log", "synced", 0)
return True
def totalize(self,val, yesterday, day, hour, minute, yesterday_total_midnight, yesterday_total,channel):
if (yesterday_total == 0 and yesterday_total_midnight == 0) or (yesterday_total == None or yesterday_total_midnight == None):
yesterday_total_midnight = val
PERSIST['yesterday_total_midnight_'+channel] = yesterday_total_midnight
persistence.store(PERSIST, 'persist.json')
today_total = val - yesterday_total_midnight
if hour == 0 and minute == 0 and not(day == yesterday):
yesterday_total = today_total
yesterday_total_midnight = val
today_total = val - yesterday_total_midnight
yesterday = day
PERSIST['yesterday_'+channel] = yesterday
PERSIST['yesterday_total_'+channel] = yesterday_total
PERSIST['yesterday_total_midnight_'+channel] = yesterday_total_midnight
persistence.store(PERSIST,'persist.json')
return today_total,yesterday_total

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"""Utility functions for the driver."""
import socket
import struct
def get_public_ip_address():
"""Find the public IP Address of the host device."""
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(("8.8.8.8", 80))
ip = s.getsockname()[0]
s.close()
return ip
def int_to_float16(int_to_convert):
"""Convert integer into float16 representation."""
bin_rep = ('0' * 16 + '{0:b}'.format(int_to_convert))[-16:]
sign = -1 ** int(bin_rep[0])
exponent = int(bin_rep[1:6], 2)
fraction = int(bin_rep[7:17], 2)
return sign * 2 ** (exponent - 15) * float("1.{}".format(fraction))
def ints_to_float(intlist):
"""Convert 2 registers into a floating point number."""
mypack = struct.pack('>HH', intlist[0], intlist[1])
f = struct.unpack('>f', mypack)
print("{} >> {}".format(intlist, f[0]))
return f[0]
def degf_to_degc(temp_f):
"""Convert deg F to deg C."""
return (temp_f - 32.0) * (5.0/9.0)
def degc_to_degf(temp_c):
"""Convert deg C to deg F."""
return temp_c * 1.8 + 32.0