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added update for compulab device

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This commit is contained in:
Nico Melone
2021-10-21 16:24:38 -05:00
parent 3adf6d96b7
commit e351d00037
9 changed files with 961 additions and 6 deletions
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340
abbflow/compulab/Channel.py Normal file
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"""Define Meshify channel class."""
import time
from pycomm.ab_comm.clx import Driver as ClxDriver
from pycomm.cip.cip_base import CommError, DataError
from file_logger import filelogger as log
import minimalmodbus
import serial
TAG_DATAERROR_SLEEPTIME = 1
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, plc_type="CLX"):
"""Read a tag from the PLC."""
direct = plc_type == "Micro800"
clx = ClxDriver()
try:
if clx.open(addr, direct_connection=direct):
try:
val = clx.read_tag(tag)
clx.close()
return val
except DataError as err:
clx.close()
time.sleep(TAG_DATAERROR_SLEEPTIME)
log.error("Data Error during readTag({}, {}): {}".format(addr, tag, err))
except CommError:
# err = c.get_status()
log.error("Could not connect during readTag({}, {})".format(addr, tag))
except AttributeError as err:
clx.close()
log.error("AttributeError during readTag({}, {}): \n{}".format(addr, tag, err))
clx.close()
return False
def read_array(addr, tag, start, end, plc_type="CLX"):
"""Read an array from the PLC."""
direct = plc_type == "Micro800"
clx = ClxDriver()
if clx.open(addr, direct_connection=direct):
arr_vals = []
try:
for i in range(start, end):
tag_w_index = tag + "[{}]".format(i)
val = clx.read_tag(tag_w_index)
arr_vals.append(round(val[0], 4))
if arr_vals:
clx.close()
return arr_vals
else:
log.error("No length for {}".format(addr))
clx.close()
return False
except Exception:
log.error("Error during readArray({}, {}, {}, {})".format(addr, tag, start, end))
err = clx.get_status()
clx.close()
log.error(err)
clx.close()
def write_tag(addr, tag, val, plc_type="CLX"):
"""Write a tag value to the PLC."""
direct = plc_type == "Micro800"
clx = ClxDriver()
try:
if clx.open(addr, direct_connection=direct):
try:
initial_val = clx.read_tag(tag)
write_status = clx.write_tag(tag, val, initial_val[1])
clx.close()
return write_status
except DataError as err:
clx_err = clx.get_status()
clx.close()
log.error("--\nDataError during writeTag({}, {}, {}, plc_type={}) -- {}\n{}\n".format(addr, tag, val, plc_type, err, clx_err))
except CommError as err:
clx_err = clx.get_status()
log.error("--\nCommError during write_tag({}, {}, {}, plc_type={})\n{}\n--".format(addr, tag, val, plc_type, err))
clx.close()
return False
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' or type(new_value) == str:
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.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:
log.error("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()
log.info("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, transform_fn=identity, unit_number=1, scaling=0):
"""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.instrument = minimalmodbus.Instrument('/dev/ttymxc0', self.unit_number)
self.scaling= scaling
self.instrument.serial.baudrate = 9600
self.instrument.serial.stopbits = serial.STOPBITS_ONE
self.instrument.serial.parity = serial.PARITY_NONE
self.instrument.serial.bytesize = 8
self.instrument.serial.timeout = 1
self.instrument.handle_local_echo=False
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)
time.sleep(TAG_DATAERROR_SLEEPTIME)
except IOError as e:
log.info(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)
time.sleep(TAG_DATAERROR_SLEEPTIME)
except IOError as e:
log.info(e)
return None
read_value = self.transform_fn(read_value)
return read_value
def write(self, value):
"""Write a value to a register"""
if self.data_type == "FLOAT":
value = float(value)
elif self.data_type == "INTEGER":
value = int(value)
else:
value = str(value)
try:
self.instrument.write_register(self.register_number,value, self.scaling, 16 if self.channel_size > 1 else 6 )
time.sleep(TAG_DATAERROR_SLEEPTIME)
return True
except Exception as e:
log.info("Failed to write value: {}".format(e))
return False
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, plc_type='CLX'):
"""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
self.plc_type = plc_type
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, plc_type=self.plc_type)
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."""
super(BoolArrayChannels, 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 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:
log.error("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:
val = read_tag(self.plc_ip, self.plc_tag)
if val:
bool_arr = binarray(val[0])
new_val = {}
for idx in self.map_:
try:
new_val[self.map_[idx]] = bool_arr[idx]
except KeyError:
log.error("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()
log.info("Sending {} for {} - {}".format(self.value, self.mesh_name, send_reason))
return send_needed

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abbflow/compulab/Tags.py Normal file
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from Channel import PLCChannel, ModbusChannel
tags = [
ModbusChannel("volume_flow",4003,"FLOAT", 20, 3600,channel_size=2, unit_number=1),
ModbusChannel("today_volume",4005,"FLOAT", 10, 3600,channel_size=2, unit_number=1),
ModbusChannel("battery_voltage",4001,"FLOAT", 5, 3600,channel_size=2, unit_number=1),
ModbusChannel("last_calculation_period_volume",4011,"FLOAT", 10, 86400,channel_size=2, unit_number=1),
ModbusChannel("differential_pressure",4013,"FLOAT", 5, 3600,channel_size=2, unit_number=1),
ModbusChannel("yesterday_volume",4007,"FLOAT", 10, 21600,channel_size=2, unit_number=1),
ModbusChannel("accumulated_volume",4009,"FLOAT", 10, 3600,channel_size=2, unit_number=1),
ModbusChannel("static_pressure",4015,"FLOAT", 5, 3600,channel_size=2, unit_number=1),
ModbusChannel("temperature",4017,"FLOAT", 5, 3600,channel_size=2, unit_number=1),
ModbusChannel("charger_voltage",4019,"FLOAT", 5, 3600,channel_size=2, unit_number=1)
]

122
abbflow/compulab/abbflow.py Normal file
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"""Driver for abbflow"""
import threading
import json
import time
from random import randint
import os
from device_base import deviceBase
from Channel import PLCChannel, ModbusChannel,read_tag, write_tag, TAG_DATAERROR_SLEEPTIME
import persistence
from utilities import get_public_ip_address
from file_logger import filelogger as log
from Tags import tags
_ = None
log.info("abbflow startup")
# GLOBAL VARIABLES
WAIT_FOR_CONNECTION_SECONDS = 5
IP_CHECK_PERIOD = 60
CHANNELS = tags
# PERSISTENCE FILE
PERSIST = persistence.load()
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 = "1"
self.finished = threading.Event()
self.force_send = False
self.public_ip_address = ""
self.public_ip_address_last_checked = 0
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):
"""Actually run the driver."""
for i in range(0, WAIT_FOR_CONNECTION_SECONDS):
print("abbflow driver will start in {} seconds".format(WAIT_FOR_CONNECTION_SECONDS - i))
time.sleep(1)
log.info("BOOM! Starting abbflow driver...")
self._check_ip_address()
self.nodes["abbflow_0199"] = self
send_loops = 0
while True:
now = time.time()
if self.force_send:
log.warning("FORCE SEND: TRUE")
for chan in CHANNELS:
val = chan.read()
if chan.check(val, self.force_send):
self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'abbflow')
time.sleep(TAG_DATAERROR_SLEEPTIME) # sleep to allow Micro800 to handle ENET requests
# print("abbflow driver still alive...")
if self.force_send:
if send_loops > 2:
log.warning("Turning off force_send")
self.force_send = False
send_loops = 0
else:
send_loops += 1
if (now - self.public_ip_address_last_checked) > IP_CHECK_PERIOD:
self._check_ip_address()
def _check_ip_address(self):
"""Check the public IP address and send to Meshify if changed."""
self.public_ip_address_last_checked = time.time()
test_public_ip = get_public_ip_address()
if not test_public_ip == self.public_ip_address:
self.sendtodbDev(1, 'public_ip_address', test_public_ip, 0, 'abbflow')
self.public_ip_address = test_public_ip
hostname = "google.com"
response = os.system("ping -c 1 " + hostname)
#and then check the response...
if response == 0:
print hostname, 'is up!'
self.ping_counter = 0
else:
print hostname, 'is down!'
self.ping_counter += 1
if self.ping_counter >= 3:
log.info("Rebooting because no internet detected")
os.system('reboot')
def abbflow_sync(self, name, value):
"""Sync all data from the driver."""
self.force_send = True
# self.sendtodb("log", "synced", 0)
return True

14
abbflow/compulab/config.txt Normal file
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{
"files": {
"file3": "file_logger.py",
"file2": "Channel.py",
"file1": "abbflow.py",
"file6": "persistence.py",
"file5": "utilities.py",
"file4": "Tags.py"
},
"deviceName": "abbflow",
"releaseVersion": "1",
"driverFileName": "abbflow.py",
"driverId": "0100"
}

360
abbflow/compulab/device_base.py Normal file
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import types
import traceback
import binascii
import threading
import time
import thread
import os
import struct
import sys
import textwrap
import Queue
import json
class deviceBase():
def __init__(self, name=None, number=None, mac=None, Q=None, mcu=None, companyId=None, offset=None, mqtt=None, Nodes=None):
self.offset = offset
self.company = companyId
self.name = name
self.number = number
self.q = Q
self.deviceName = name + '_[' + mac + ':' + number[0:2] + ':' + number[2:] + ']!'
self.chName = "M1" + '_[' + mac + ':'
self.chName2 = '_[' + mac + ':'
print 'device name is:'
print self.deviceName
mac2 = mac.replace(":", "")
self.mac = mac2.upper()
self.address = 1
self.debug = True
self.mcu = mcu
self.firstRun = True
self.mqtt = mqtt
self.nodes = Nodes
#local dictionary of derived nodes ex: localNodes[tank_0199] = self
self.localNodes = {}
os.system("chmod 777 /root/reboot")
os.system("echo nameserver 8.8.8.8 > /etc/resolv.conf")
#Queue for imcoming sets
self.loraQ = Queue.Queue()
self.knownIDs = []
thread.start_new_thread(self.getSetsThread, ())
def getSetsThread(self):
while True:
try:
item = self.loraQ.get(block=True, timeout=600)
try:
print "here is the item from the sets q"
print item
if len(item) == 2:
techname = str(json.loads(item[1])[0]['payload']['name'].split(".")[0])
channel = str(json.loads(item[1])[0]['payload']['name'].split(".")[1])
name = techname.split("_")[0]
id = techname.split("_")[1][1:-2].replace(":","").upper()
value = json.loads(item[1])[0]['payload']['value']
msgId = json.loads(item[1])[0]['msgId']
print channel, value, id, name, msgId
success = self.specificSets(channel, value, id, name)
if success == True:
print "SUCCESS ON SET"
if int(msgId) == 0:
return
lc = self.getTime()
value = str(self.mac) + " Success Setting: " + channel + " To: " + value
msg = """[ { "value":"%s", "timestamp":"%s", "msgId":"%s" } ]""" % (value, str(lc), msgId)
print value
print msg
topic = "meshify/responses/" + str(msgId)
print topic
self.q.put([topic, str(msg), 2])
else:
lc = self.getTime()
if success == False:
reason = "(Internal Gateway/Device Error)"
else:
reason = success
value = str(self.mac) + " Failed Setting: " + channel + " To: " + value + " " + reason
msg = """[ { "value":"%s", "timestamp":"%s", "msgId":"%s" } ]""" % (value, str(lc), msgId)
topic = "meshify/responses/" + msgId
self.q.put([topic, str(msg), 2])
except:
if int(msgId) == 0:
return
lc = self.getTime()
value = str(self.mac) + " Failed Setting: " + channel + " To: " + value + " (No Callback Found)"
msg = """[ { "value":"%s", "timestamp":"%s", "msgId":"%s" } ]""" % (value, str(lc), msgId)
topic = "meshify/responses/" + msgId
self.q.put([topic, str(msg), 2])
print 'no Set callback found for channel: ' + funcName
except:
print "sets queue timeout, restarting..."
def sendtodbDevLora(self, id, channel, value, timestamp, deviceName):
mac = self.mac
if deviceName == "mainMeshify":
zigmac = "_[01:00:00:00:00:" + id[0:2] + ":" + id[2:4] + ":" + id[4:6] + "]!"
else:
zigmac = "_[00:00:00:00:00:" + id[0:2] + ":" + id[2:4] + ":" + id[4:6] + "]!"
dname = deviceName + zigmac
#define dname, make id into techname and mac
if id not in self.knownIDs:
self.knownIDs.append(id)
self.mcu.xbees[dname] = self.loraQ
#meshify/db/330/C493000354FB/ilora/c493000354fb2A6E/a1-v
#[ { "value":"0.5635", "timestamp":"1486039316" } ]
if int(timestamp) == 0:
timestamp = self.getTime()
topic = 'meshify/db/%s/%s/%s/%s' % (self.company, mac, dname, channel)
print topic
msg = """[ { "value":"%s", "timestamp":"%s" } ]""" % (str(value), str(timestamp))
print msg
self.q.put([topic, msg, 0])
def sendtodbLocLora(self, id, channel, value, timestamp, deviceName):
mac = id
while len(mac) < 12:
mac = "0" + mac
if deviceName == "mainMeshify":
zigmac = "_[01:00:00:00:00:" + id[0:2] + ":" + id[2:4] + ":" + id[4:6] + "]!"
else:
zigmac = "_[00:00:00:00:00:" + id[0:2] + ":" + id[2:4] + ":" + id[4:6] + "]!"
dname = deviceName + zigmac
#define dname, make id into techname and mac
if id not in self.knownIDs:
self.knownIDs.append(id)
topic = str(("meshify/sets/" + str(self.company) + "/" + mac + "/#"))
self.mqtt.subscribe(topic, 0)
topic = str(("meshify/sets/" + "1" + "/" + mac + "/#"))
self.mqtt.subscribe(topic, 0)
self.mcu.xbees[dname] = self.loraQ
#meshify/db/330/C493000354FB/ilora/c493000354fb2A6E/a1-v
#[ { "value":"0.5635", "timestamp":"1486039316" } ]
if int(timestamp) == 0:
timestamp = self.getTime()
topic = 'meshify/db/%s/%s/%s/%s' % (self.company, mac, dname, channel)
print topic
msg = """[ { "value":"%s", "timestamp":"%s" } ]""" % (str(value), str(timestamp))
print msg
self.q.put([topic, msg, 0])
def sendtodbLocLoraCom(self, id, channel, value, timestamp, deviceName):
mac = "1" + id
while len(mac) < 12:
mac = "0" + mac
if deviceName == "mainMeshify":
zigmac = "_[01:00:00:00:00:" + id[0:2] + ":" + id[2:4] + ":" + id[4:6] + "]!"
else:
zigmac = "_[00:00:00:00:01:" + id[0:2] + ":" + id[2:4] + ":" + id[4:6] + "]!"
dname = deviceName + zigmac
#define dname, make id into techname and mac
if id not in self.knownIDs:
self.knownIDs.append(id)
topic = str(("meshify/sets/" + str(self.company) + "/" + mac + "/#"))
self.mqtt.subscribe(topic, 0)
topic = str(("meshify/sets/" + "1" + "/" + mac + "/#"))
self.mqtt.subscribe(topic, 0)
self.mcu.xbees[dname] = self.loraQ
#meshify/db/330/C493000354FB/ilora/c493000354fb2A6E/a1-v
#[ { "value":"0.5635", "timestamp":"1486039316" } ]
if int(timestamp) == 0:
timestamp = self.getTime()
topic = 'meshify/db/%s/%s/%s/%s' % (self.company, mac, dname, channel)
print topic
msg = """[ { "value":"%s", "timestamp":"%s" } ]""" % (str(value), str(timestamp))
print msg
self.q.put([topic, msg, 0])
def sendtodbLoc(self, ch, channel, value, timestamp, deviceName, mac):
#this will add your derived nodes the master nodes list, allowing them to receive sets!!
localNodesName = deviceName + "_" + str(ch) + "99"
if not self.localNodes.has_key(localNodesName):
self.localNodes[localNodesName] = True
self.nodes[localNodesName] = self
#make the techname
lst = textwrap.wrap(str(mac), width=2)
tech = ""
for i in range(len(lst)):
tech += lst[i].lower() + ":"
chName2 = '_[' + tech
if int(ch) < 10:
ch = "0" + str(int(ch))
if len(ch) > 2:
ch = ch[:-2]
dname = deviceName + chName2 + str(ch) + ":98]!"
if int(timestamp) == 0:
timestamp = self.getTime()
topic = 'meshify/db/%s/%s/%s/%s' % (self.company, mac, dname, channel)
print topic
msg = """[ { "value":"%s", "timestamp":"%s" } ]""" % (str(value), str(timestamp))
print msg
self.q.put([topic, msg, 0])
def sendtodbDevJSON(self, ch, channel, value, timestamp, deviceName):
if int(ch) < 10:
ch = "0" + str(int(ch))
dname = deviceName + self.chName2 + str(ch) + ":99]!"
if int(timestamp) == 0:
timestamp = self.getTime()
topic = 'meshify/db/%s/%s/%s/%s' % (self.company, self.mac, dname, channel)
print topic
msg = """[ { "value":%s, "timestamp":"%s" } ]""" % (str(value), str(timestamp))
print msg
self.q.put([topic, msg, 0])
def sendtodbLora(self, ch, channel, value, timestamp, deviceName):
if ":" not in ch:
ch = ch[0:2] + ":" + ch[2:4]
#this will add your derived nodes the master nodes list, allowing them to receive sets!!
localNodesName = deviceName + "_" + str(ch).replace(':', "")
if not self.localNodes.has_key(localNodesName):
self.localNodes[localNodesName] = True
self.nodes[localNodesName] = self
dname = deviceName + self.chName2 + str(ch) + "]!"
if int(timestamp) == 0:
timestamp = self.getTime()
topic = 'meshify/db/%s/%s/%s/%s' % (self.company, self.mac, dname, channel)
print topic
msg = """[ { "value":"%s", "timestamp":"%s" } ]""" % (str(value), str(timestamp))
print msg
self.q.put([topic, msg, 0])
def sendtodbDev(self, ch, channel, value, timestamp, deviceName):
#this will add your derived nodes the master nodes list, allowing them to receive sets!!
localNodesName = deviceName + "_" + str(ch) + "99"
if not self.localNodes.has_key(localNodesName):
self.localNodes[localNodesName] = True
self.nodes[localNodesName] = self
if int(ch) < 10:
ch = "0" + str(int(ch))
dname = deviceName + self.chName2 + str(ch) + ":99]!"
if int(timestamp) == 0:
timestamp = self.getTime()
topic = 'meshify/db/%s/%s/%s/%s' % (self.company, self.mac, dname, channel)
print topic
msg = """[ { "value":"%s", "timestamp":"%s" } ]""" % (str(value), str(timestamp))
print msg
self.q.put([topic, msg, 0])
def sendtodbCH(self, ch, channel, value, timestamp):
if int(ch) < 10:
ch = "0" + str(ch)
dname = self.chName + str(ch) + ":99]!"
if int(timestamp) == 0:
timestamp = self.getTime()
topic = 'meshify/db/%s/%s/%s/%s' % (self.company, self.mac, dname, channel)
print topic
msg = """[ { "value":"%s", "timestamp":"%s" } ]""" % (str(value), str(timestamp))
print msg
self.q.put([topic, msg, 0])
def sendtodb(self, channel, value, timestamp):
if int(timestamp) == 0:
timestamp = self.getTime()
if timestamp < 1400499858:
return
else:
timestamp = str(int(timestamp) + int(self.offset))
topic = 'meshify/db/%s/%s/%s/%s' % (self.company, self.mac, self.deviceName, channel)
print topic
msg = """[ { "value":"%s", "timestamp":"%s" } ]""" % (str(value), str(timestamp))
print msg
self.q.put([topic, msg, 0])
def sendtodbJSON(self, channel, value, timestamp):
if int(timestamp) == 0:
timestamp = self.getTime()
if timestamp < 1400499858:
return
else:
timestamp = str(int(timestamp) + int(self.offset))
topic = 'meshify/db/%s/%s/%s/%s' % (self.company, self.mac, self.deviceName, channel)
print topic
msg = """[ { "value":%s, "timestamp":"%s" } ]""" % (str(value), str(timestamp))
print msg
self.q.put([topic, msg, 0])
def getTime(self):
return str(int(time.time() + int(self.offset)))

18
abbflow/compulab/file_logger.py Normal file
View File

@@ -0,0 +1,18 @@
"""Logging setup for abbflow"""
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 = './abbflow.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('abbflow')
filelogger.setLevel(logging.INFO)
filelogger.addHandler(my_handler)
console_out = logging.StreamHandler(sys.stdout)
console_out.setFormatter(log_formatter)
filelogger.addHandler(console_out)

21
abbflow/compulab/persistence.py Normal file
View File

@@ -0,0 +1,21 @@
"""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

65
abbflow/compulab/utilities.py Normal file
View File

@@ -0,0 +1,65 @@
"""Utility functions for the driver."""
import socket
import struct
import urllib
import contextlib
def get_private_ip_address():
"""Find the private IP Address of the host device."""
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.connect(("8.8.8.8", 80))
ip_address = sock.getsockname()[0]
sock.close()
except Exception as e:
return e
return ip_address
def get_public_ip_address():
ip_address = "0.0.0.0"
try:
with contextlib.closing(urllib.urlopen("http://checkip.amazonaws.com")) as url:
ip_address = url.read()
except Exception as e:
print("Could not resolve address: {}".format(e))
return ip_address
return ip_address
def int_to_float16(int_to_convert):
"""Convert integer into float16 representation."""
bin_rep = ('0' * 16 + '{0:b}'.format(int_to_convert))[-16:]
sign = 1.0
if int(bin_rep[0]) == 1:
sign = -1.0
exponent = float(int(bin_rep[1:6], 2))
fraction = float(int(bin_rep[6:17], 2))
if exponent == float(0b00000):
return sign * 2 ** -14 * fraction / (2.0 ** 10.0)
elif exponent == float(0b11111):
if fraction == 0:
return sign * float("inf")
return float("NaN")
frac_part = 1.0 + fraction / (2.0 ** 10.0)
return sign * (2 ** (exponent - 15)) * frac_part
def ints_to_float(int1, int2):
"""Convert 2 registers into a floating point number."""
mypack = struct.pack('>HH', int1, int2)
f_unpacked = struct.unpack('>f', mypack)
print("[{}, {}] >> {}".format(int1, int2, f_unpacked[0]))
return f_unpacked[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

11
piflow/PiFlow.py
View File

@@ -9,7 +9,7 @@ from device_base import deviceBase
import persistence
from utilities import get_public_ip_address, get_private_ip_address
from file_logger import filelogger as log
import RPi.GPIO as GPIO
"""import RPi.GPIO as GPIO
Relay_Ch1 = 26
Relay_Ch2 = 20
@@ -24,7 +24,7 @@ GPIO.setup(Relay_Ch2,GPIO.OUT)
GPIO.output(Relay_Ch2, GPIO.HIGH)
GPIO.setup(Relay_Ch3,GPIO.OUT)
GPIO.output(Relay_Ch3, GPIO.HIGH)
"""
_ = None
os.system('sudo timedatectl set-timezone America/Chicago')
log.info("PiFlow startup")
@@ -56,6 +56,7 @@ if not PERSIST:
'yesterday_total_midnight_totalizer_3': 0
}
persistence.store(PERSIST, 'persist.json')
"""
try:
if time.time() - PERSIST['state_timer'] >= 60:
GPIO.output(Relay_Ch1, GPIO.HIGH)
@@ -69,7 +70,7 @@ except:
PERSIST['state'] = False
PERSIST['state_time'] = time.time()
persistence.store(PERSIST, "persist.json")
"""
drive_enabled = PERSIST['drive_enabled']
try:
isVFD = PERSIST['isVFD']
@@ -296,7 +297,7 @@ class start(threading.Thread, deviceBase):
log.info("Result of PiFlow_write(self, {}, {}) = {}".format(name, value, write_res))
return write_res
"""
def PiFlow_start(self, name, value):
if isVFD:
#do something with the plc
@@ -321,7 +322,7 @@ class start(threading.Thread, deviceBase):
PERSIST["state_timer"] = time.time()
persistence.store(PERSIST, "persist.json")
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