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This module implements support for the Amphenol Telaire Ventostat T8100 Ventilation Controller with BACnet interface. It may also support the T8200 and T8300 models, but they have not been tested. The Telaire Ventostat T8100 reports Temperature, Humidity and CO2 concentrations. It supports an optional relay with a settable trigger point. The unit this driver was tested under did not support the optional relay. The temperature range supported is 0-50C, humidity is 0-100% non-condensing, and CO2 range is appoximately 0-2000 PPM for the T8100. Other sensors in this family support wider ranges. Signed-off-by: Jon Trulson <jtrulson@ics.com>
98 lines
3.2 KiB
Python
98 lines
3.2 KiB
Python
#!/usr/bin/python
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# Author: Jon Trulson <jtrulson@ics.com>
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# Copyright (c) 2016 Intel Corporation.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import time, sys, signal, atexit
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import pyupm_t8100 as sensorObj
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## Exit handlers ##
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# This function stops python from printing a stacktrace when you hit control-C
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def SIGINTHandler(signum, frame):
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raise SystemExit
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# This function lets you run code on exit
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def exitHandler():
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print "Exiting..."
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sys.exit(0)
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# Register exit handlers
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atexit.register(exitHandler)
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signal.signal(signal.SIGINT, SIGINTHandler)
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# You will need to edit this example to conform to your site and your
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# devices, specifically the Device Object Instance ID passed to the
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# constructor, and the arguments to initMaster() that are
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# appropriate for your BACnet network.
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defaultDev = "/dev/ttyUSB0"
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# if an argument was specified, use it as the device instead
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if (len(sys.argv) > 1):
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defaultDev = sys.argv[1]
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print "Using device", defaultDev
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print "Initializing..."
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# Instantiate an T8100 object for an T8100 device that has 568000
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# as it's unique Device Object Instance ID. NOTE: You will
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# certainly want to change this to the correct value for your
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# device(s).
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sensor = sensorObj.T8100(568000)
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# Initialize our BACnet master, if it has not already been
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# initialized, with the device and baudrate, choosing 1000001 as
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# our unique Device Object Instance ID, 2 as our MAC address and
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# using default values for maxMaster and maxInfoFrames
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sensor.initMaster(defaultDev, 38400, 1000001, 2)
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# Uncomment to enable debugging output
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# sensor.setDebug(True);
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# output the serial number and firmware revision
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print
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print "Device Description:", sensor.getDeviceDescription()
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print "Device Location:", sensor.getDeviceLocation()
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print
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# update and print available values every 5 seconds
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while (1):
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# update our values
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sensor.update();
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print "CO2 Concentration:",
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print sensor.getCO2(),
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print "ppm"
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# we show both C and F for temperature
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print "Temperature:", sensor.getTemperature(),
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print "C /", sensor.getTemperature(True), "F"
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print "Humidity:",
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print sensor.getHumidity(),
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print "%RH"
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print "Relay State:",
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print sensor.getRelayState()
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print
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time.sleep(5)
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