def run(self, registry):
from liota.entities.devices.thermistor_simulated import ThermistorSimulated
import pint
# Get values from configuration file
config_path = registry.get("package_conf")
config = read_user_config(config_path + '/sampleProp.conf')
# create a pint unit registry
ureg = pint.UnitRegistry()
# initialize and run the physical model (simulated device)
thermistor_simulator = ThermistorSimulated(name=config['DeviceName'],
ureg=ureg)
registry.register("thermistor_simulator", thermistor_simulator)
try:
# create a Edge System object encapsulating the particulars of a gateway/board
# argument is the name of this Edge System
edge_system = Dk300EdgeSystem(config['EdgeSystemName'])
# resister the Edge System with the IoTCC instance
# this call creates a representation (a Resource) in IoTCC for this IoT System with the name given
reg_edge_system = iotcc.register(edge_system)
# these call set properties on the Resource representing the IoT System
# properties are a key:value store
reg_edge_system.set_properties(config['SystemPropList'])
# create the device object and register it on IoTCC
thermistor_model = ThermistorSimulated(name=config['DeviceName'],
ureg=ureg)
reg_thermistor_model = iotcc.register(thermistor_model)
iotcc.create_relationship(reg_edge_system, reg_thermistor_model)
reg_thermistor_model.set_properties(config['DevicePropList'])
metric_name = "model.thermistor.temperature"
thermistor_temper = Metric(
name=metric_name,
unit=ureg.degC,
interval=5,
sampling_function=get_thermistor_temperature)
reg_thermistor_temper = iotcc.register(thermistor_temper)
iotcc.create_relationship(reg_thermistor_model, reg_thermistor_temper)
reg_thermistor_temper.start_collecting()