417 lines
13 KiB
Python
417 lines
13 KiB
Python
import types
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import traceback
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import binascii
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import threading
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import time
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import thread
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import os
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import struct
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import sys
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import serial
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import minimalmodbus
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import pickle
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_NUMBER_OF_BYTES_PER_REGISTER = 2
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class start(threading.Thread):
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"""\
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This class extends one of our base classes and is intended as an
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example of a concrete, example implementation, but it is not itself
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meant to be included as part of our developer API. Please consult the
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base class documentation for the API and the source code for this file
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for an example implementation.
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"""
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# here are the setting defaults
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DEF_HEXDEC = True
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DEF_EOLN = None
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DEF_CHARTOUT = 2.0
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# a sanity value to prevent an infinite rcv_buffer creation
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DEF_MAX_READ = 1000
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def __init__(self, name=None, number=None, mac=None, Q=None, mcu=None, companyId=None, offset=None, mqtt=None, Nodes=None):
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threading.Thread.__init__(self)
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self.daemon = True
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self.offset = offset
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self.company = companyId
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self.name = name
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self.number = number
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self.q = Q
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self.deviceName = name + '_[' + mac + ':' + number[0:2] + ':' + number[2:] + ']!'
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self.chName = "at1" + '_[' + mac + ':'
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print 'device name is:'
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print self.deviceName
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mac2 = mac.replace(":", "")
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self.mac = mac2.upper()
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self.address = 1
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self.debug = True
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self.mcu = mcu
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self.firstRun = True
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self.version = "15"
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self.mqtt = mqtt
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self.maxRegister = 65
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#empty placeholders for the last values
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self.register()
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#make the serial connection:
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try:
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self.instrument = minimalmodbus.Instrument('/dev/ttyUSB0', 1) # port name, slave address (in decimal)
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self.instrument.debug = True
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self.instrument.serial.port # this is the serial port name
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self.instrument.serial.parity = serial.PARITY_NONE
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self.instrument.serial.xonxoff = False
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self.instrument.serial.baudrate = 9600 # Baud
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self.instrument.serial.bytesize = 8
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self.instrument.serial.stopbits = 1
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self.instrument.serial.timeout = 1 # seconds
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self.instrument.address = 2
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except Exception,e:
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self.sendtodb("error", str(e), 0)
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self.finished = threading.Event()
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threading.Thread.start(self)
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#this is a required function for all drivers, its goal is to upload some piece of data
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#about your device so it can be seen on the web
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def register(self):
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self.sendtodb("connected", "True", 0)
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self.last_wlevel = {}
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self.last_tlevel = {}
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self.last_temp = {}
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self.last_overFlow = {}
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for i in range(10, self.maxRegister):
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self.last_wlevel[i] = 0
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self.last_tlevel[i] = 0
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self.last_temp[i] = 0
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self.last_overFlow[i] = ""
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def stop (self):
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self.finished.set()
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self.join()
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def sendtodbCH(self, ch, channel, value, timestamp):
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if int(ch) < 10:
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ch = "0" + str(ch)
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dname = self.chName + str(ch) + ":99]!"
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if int(timestamp) == 0:
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timestamp = self.getTime()
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topic = 'meshify/db/%s/%s/%s/%s' % (self.company, self.mac, dname, channel)
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print topic
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msg = """[ { "value":"%s", "timestamp":"%s" } ]""" % (str(value), str(timestamp))
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print msg
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self.q.put([topic, msg, 0])
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def sendtodb(self, channel, value, timestamp):
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if int(timestamp) == 0:
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timestamp = self.getTime()
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if timestamp < 1400499858:
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return
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topic = 'meshify/db/%s/%s/%s/%s' % (self.company, self.mac, self.deviceName, channel)
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print topic
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msg = """[ { "value":"%s", "timestamp":"%s" } ]""" % (str(value), str(timestamp))
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print msg
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self.q.put([topic, msg, 0])
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def start(self):
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# you could add other ddo settings here
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thread.start_new_thread(self.loop, ())
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# def stop(): uses XBeeSerial.stop()
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## Locally defined functions:
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def gps(self):
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try:
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resp = False
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ser = serial.Serial(port='/dev/ttyS3', baudrate=9600, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, xonxoff=False)
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ser.open
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time.sleep(2)
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ser.flushInput() #flush input buffer, discarding all its contents
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ser.flushOutput()#flush output buffer, aborting current output
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time.sleep(1)
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response = ser.readline()
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print response
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latNeg = ""
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longNeg = ""
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if response.split(',')[0] == "$GPRMC":
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lat = response.split(',')[3]
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if response.split(',')[4] == "S":
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latNeg = "-"
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longitude = response.split(',')[5]
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if response.split(',')[6] == "W":
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longNeg = "-"
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elif response.split(',')[0] == "$GPGGA":
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lat = response.split(',')[2]
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if response.split(',')[3] == "S":
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latNeg = "-"
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longitude = response.split(',')[4]
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if response.split(',')[5] == "W":
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longNeg = "-"
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else:
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return
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googlelat = (latNeg + str(((int(lat.split(".")[0][:2])) + ( float(((lat.split(".")[0][-2:]) + "." + lat.split(".")[1])) / 60) )))
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googlelong = (longNeg + str(((int(longitude.split(".")[0][:3])) + ( float(((longitude.split(".")[0][-2:]) + "." + longitude.split(".")[1])) / 60) )))
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googlelat = str(round(float(googlelat), 4))
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googlelong = str(round(float(googlelong), 4))
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if googlelat != self.lastLat or googlelong != self.lastLong:
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print googlelat, googlelong
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value = googlelat + "," + googlelong
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if value != "24.0,121.0" and value!= "0.0,0.0":
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resp = True
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self.sendtodb("gps", value, 0)
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else:
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resp = False
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self.lastLat = googlelat
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self.lastLong = googlelong
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ser.close()
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return resp
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except Exception,e:
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print e
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try:
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ser.close()
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except:
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pass
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pass
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def signal(self):
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try:
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ser = serial.Serial(port='/dev/modem_at1', timeout=2, baudrate=9600, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, xonxoff=False)
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ser.open
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time.sleep(2)
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ser.flushInput() #flush input buffer, discarding all its contents
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ser.flushOutput()#flush output buffer, aborting current output
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time.sleep(.5)
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ser.write("AT+CSQ" + chr(13))
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print("write data: AT+CSQ")
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time.sleep(0.5)
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response = ser.readlines()
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response = response[1].split(",")[0].replace("+CSQ:", "").strip()
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response = (-113 + (int(response) * 2))
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print response
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ser.close()
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return str(response)
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#self.sendtodb("signal", str(response), 0)
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except:
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try:
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ser.close()
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except:
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pass
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pass
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def checkTemp(self):
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temp = os.popen('/usr/sbin/mts-io-sysfs show board-temperature')
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temp1 = temp.read()
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temp1 = temp1.strip()
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self.sendtodb("temp", temp1, 0)
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temp.close()
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def run(self):
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#on startup send the version number
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self.sendtodb("version", str(self.version), 0)
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self.sendtodb("log", "Tank Level Start Up", 0)
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self.count = 3001
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hb_count = 0
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while not self.finished.isSet():
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self.count += 1
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try:
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for i in range(10, self.maxRegister):
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print "################################"
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print "#############sending data ######"
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try:
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self.instrument.address = i
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connected = int(self.mqtt._state)
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if connected == 1:
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pause = .1
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else:
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pause = 5
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time.sleep(pause)
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tlevel = self.instrument.read_float(1, functioncode=3) # Registernumber, number of decimals
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tlevel = round(tlevel, 1)
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print tlevel
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if tlevel != self.last_tlevel[i]:
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self.sendtodbCH(str(i), "tlevel", str(tlevel), 0)
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self.last_tlevel[i] = tlevel
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time.sleep(pause)
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wlevel = self.instrument.read_float(3, functioncode=3) # Registernumber, number of decimals
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wlevel = round(wlevel, 1)
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print wlevel
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if wlevel != self.last_wlevel[i]:
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self.sendtodbCH(str(i), "wlevel", str(wlevel), 0)
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self.last_wlevel[i] = wlevel
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time.sleep(pause)
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temp = self.instrument.read_float(5, functioncode=3) # Registernumber, number of decimals
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temp = int(temp)
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print temp
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if abs(temp - self.last_temp[i]) > 1:
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self.sendtodbCH(str(i), "temp", str(temp), 0)
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self.last_temp[i] = temp
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overflow = self.instrument.read_float(7, functioncode=3) # Registernumber, number of decimals
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overflow = int(overflow)
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print overflow
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if overFlow == 1:
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overFlow = "On"
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elif overFlow == 0:
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overFlow = "Off"
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if overFlow != self.last_overFlow[i]:
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self.sendtodbCH(str(i), "high", str(overFlow), 0)
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self.last_overFlow[i] = overFlow
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if self.count > 3000:
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sig = self.signal()
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self.sendtodbCH(str(i), "signal", str(sig), 0)
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except Exception,e:
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print e
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#self.sendtodb("error", str(e), 0)
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if self.count > 3000:
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self.count = 0
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try:
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for i in range(10, self.maxRegister):
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self.last_wlevel[i] = 0
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self.last_tlevel[i] = 0
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self.last_temp[i] = 0
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except:
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pass
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except Exception,e:
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self.sendtodb("error", str(e), 0)
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def getModbus(self):
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return self.modbusData
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def readRegister(self, value):
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self.sendtodb("readRegister", value, 0)
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register = data.value
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print "here is the reg value"
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print register
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if register.startswith("3"):
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register = register[2:]
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register = int(register)
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register = register - 1
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print "new reg value:"
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print register
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resp = self.read_register(register, 0, functioncode=4)
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print resp
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elif register.startswith("4"):
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register = register[2:]
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register = int(register)
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register = register - 1
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print "new reg value:"
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print register
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resp = self.read_registers(register, 20, functioncode=3)
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print resp
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# internal functions & classes
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def atw_sync(self, name, value):
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self.sendtodb("connected", "true", 0)
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self.register()
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return True
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def get_eoln(self):
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eoln = SettingsBase.get_setting(self, "eoln")
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if eoln is None:
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return None
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if eoln != self.__eoln_save:
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# cache result to avoid repeat processing of escapes
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self.__eoln_save = eoln
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self._eoln = strip_escapes(eoln)
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return self._eoln
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def getTime(self):
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return str(int(time.time() + int(self.offset)))
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