#!/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_e50hx 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)

# You will need to edit this example to conform to your site and your
# devices, specifically the Device Object Instance ID passed to the
# constructor, and the arguments to initMaster() that are
# appropriate for your BACnet network.

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 E50HX object for an E50HX device that has 1075425
# as it's unique Device Object Instance ID.  NOTE: You will
# certainly want to change this to the correct value for your
# device(s).
sensor = sensorObj.E50HX(1075425)

# Initialize our BACnet master, if it has not already been
# initialized, with the device and baudrate, choosing 1000001 as
# our unique Device Object Instance ID, 2 as our MAC address and
# using default values for maxMaster and maxInfoFrames
sensor.initMaster(defaultDev, 38400, 1000001, 2)

# Uncomment to enable debugging output
# sensor.setDebug(True);

# output the serial number and firmware revision
print
print "Device Description:", sensor.getDescription()
print "Device Location:", sensor.getLocation()
print

# update and print available values every second
while (1):
        print "System Voltage:",
        print sensor.getAnalogValue(sensorObj.E50HX.AV_System_Voltage),
        print " ",
        print sensor.getAnalogValueUnits(sensorObj.E50HX.AV_System_Voltage)

        print "System Type:",
        print sensor.getAnalogValue(sensorObj.E50HX.AV_System_Type)

        print "Energy Consumption:",
        print sensor.getAnalogInput(sensorObj.E50HX.AI_Energy),
        print " ",
        print sensor.getAnalogInputUnits(sensorObj.E50HX.AI_Energy)

        print "Power Up Counter:",
        print sensor.getAnalogInput(sensorObj.E50HX.AI_Power_Up_Count)

        print
	time.sleep(5)