peripheral/libupm/examples/python/h803x.py

#!/usr/bin/python
# Author: Jon Trulson <jtrulson@ics.com>
# Copyright (c) 2016 Intel Corporation.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import time, sys, signal, atexit
import pyupm_h803x as sensorObj

## Exit handlers ##
# This function stops python from printing a stacktrace when you hit control-C
def SIGINTHandler(signum, frame):
	raise SystemExit

# This function lets you run code on exit
def exitHandler():
	print "Exiting..."
	sys.exit(0)

# Register exit handlers
atexit.register(exitHandler)
signal.signal(signal.SIGINT, SIGINTHandler)

defaultDev = "/dev/ttyUSB0"

# if an argument was specified, use it as the device instead
if (len(sys.argv) > 1):
        defaultDev = sys.argv[1]

print "Using device", defaultDev
print "Initializing..."

# Instantiate an H803X instance, using MODBUS slave address 1, and
# default comm parameters (9600, 8, N, 2)
sensor = sensorObj.H803X(defaultDev, 1)

# output the serial number and firmware revision
print "Slave ID:", sensor.getSlaveID()

print

# update and print available values every second
while (1):
        # update our values from the sensor
        sensor.update()

        # H8035 / H8036
        print "Consumption (kWh):", sensor.getConsumption()
        print "Real Power (kW):", sensor.getRealPower()

        if (sensor.isH8036()):
                # The H8036 has much more data available...

                print "Reactive Power (kVAR):", sensor.getReactivePower()
                print "Apparent Power (kVA):", sensor.getApparentPower()
                print "Power Factor:", sensor.getPowerFactor()
                print "Volts Line to Line:", sensor.getVoltsLineToLine()
                print "Volts Line to Neutral:", sensor.getVoltsLineToNeutral()

                print "Current:", sensor.getCurrent()

                print "Real Power Phase A (kW):", sensor.getRealPowerPhaseA()
                print "Real Power Phase B (kW):", sensor.getRealPowerPhaseB()
                print "Real Power Phase C (kW):", sensor.getRealPowerPhaseC()

                print "Power Factor Phase A:", sensor.getPowerFactorPhaseA()
                print "Power Factor Phase B:", sensor.getPowerFactorPhaseB()
                print "Power Factor Phase C:", sensor.getPowerFactorPhaseC()

                print "Volts Phase A to B:", sensor.getVoltsPhaseAToB()
                print "Volts Phase B to C:", sensor.getVoltsPhaseBToC()
                print "Volts Phase A to C:", sensor.getVoltsPhaseAToC()
                print "Volts Phase A to Neutral: ",
                print sensor.getVoltsPhaseAToNeutral()
                print "Volts Phase B to Neutral: ",
                print sensor.getVoltsPhaseBToNeutral()
                print "Volts Phase C to Neutral: ",
                print sensor.getVoltsPhaseCToNeutral()

                print "Current Phase A:", sensor.getCurrentPhaseA()
                print "Current Phase B:", sensor.getCurrentPhaseB()
                print "Current Phase C:", sensor.getCurrentPhaseC()

                print "Avg Real Power (kW):", sensor.getAvgRealPower()
                print "Min Real Power (kW):", sensor.getMinRealPower()
                print "Max Real Power (kW):", sensor.getMaxRealPower()

        print
	time.sleep(2)