def publishBirths():
print("Publishing Birth")
# Create the NBIRTH payload
payload = sparkplug.getNodeBirthPayload()
# Add the Node Controls
addMetric(payload, "Node Control/Next Server", None, MetricDataType.Boolean, False)
addMetric(payload, "Node Control/Rebirth", None, MetricDataType.Boolean, False)
addMetric(payload, "Node Control/Reboot", None, MetricDataType.Boolean, False)
# Set up the device Parameters
p = subprocess.Popen('uname -a', shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
for line in p.stdout.readlines():
unameOutput = line,
retVal = p.wait()
p = subprocess.Popen('cat /proc/cpuinfo | grep Hardware', shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
for line in p.stdout.readlines():
hardwareOutput = line,
retVal = p.wait()
p = subprocess.Popen('cat /proc/cpuinfo | grep Revision', shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
for line in p.stdout.readlines():
revisionOutput = line,
retVal = p.wait()
p = subprocess.Popen('cat /proc/cpuinfo | grep Serial', shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
for line in p.stdout.readlines():
serialOutput = line,
retVal = p.wait()
addMetric(payload, "Parameters/sw_version", None, MetricDataType.String, ''.join(unameOutput))
addMetric(payload, "Parameters/hw_version", None, MetricDataType.String, ''.join(hardwareOutput))
addMetric(payload, "Parameters/hw_revision", None, MetricDataType.String, ''.join(revisionOutput))
addMetric(payload, "Parameters/hw_serial", None, MetricDataType.String, ''.join(serialOutput))
# Publish the NBIRTH certificate
byteArray = bytearray(payload.SerializeToString())
client.publish("spBv1.0/" + myGroupId + "/NBIRTH/" + myNodeName, byteArray, 0, False)
# Set up the DBIRTH with the input metrics
payload = sparkplug.getDeviceBirthPayload()
addMetric(payload, "Inputs/a", None, MetricDataType.Boolean, pibrella.input.a.read())
addMetric(payload, "Inputs/b", None, MetricDataType.Boolean, pibrella.input.b.read())
addMetric(payload, "Inputs/c", None, MetricDataType.Boolean, pibrella.input.c.read())
addMetric(payload, "Inputs/d", None, MetricDataType.Boolean, pibrella.input.d.read())
# Set up the output states on first run so Ignition and MQTT Engine are aware of them
addMetric(payload, "Outputs/e", None, MetricDataType.Boolean, pibrella.output.e.read())
addMetric(payload, "Outputs/f", None, MetricDataType.Boolean, pibrella.output.f.read())
addMetric(payload, "Outputs/g", None, MetricDataType.Boolean, pibrella.output.g.read())
addMetric(payload, "Outputs/h", None, MetricDataType.Boolean, pibrella.output.h.read())
addMetric(payload, "Outputs/LEDs/green", None, MetricDataType.Boolean, pibrella.light.green.read())
addMetric(payload, "Outputs/LEDs/red", None, MetricDataType.Boolean, pibrella.light.red.read())
addMetric(payload, "Outputs/LEDs/yellow", None, MetricDataType.Boolean, pibrella.light.yellow.read())
addMetric(payload, "button", None, MetricDataType.Boolean, pibrella.button.read())
addMetric(payload, "buzzer_fail", None, MetricDataType.Boolean, 0)
addMetric(payload, "buzzer_success", None, MetricDataType.Boolean, 0)
# Publish the initial data with the DBIRTH certificate
totalByteArray = bytearray(payload.SerializeToString())
client.publish("spBv1.0/" + myGroupId + "/DBIRTH/" + myNodeName + "/" + mySubNodeName, totalByteArray, 0, False)
def publishNodeBirth():
payload = sparkplug.getNodeBirthPayload()
addMetric(payload, "Node Control/Next Server", AliasMap.Next_Server, MetricDataType.Boolean, False)
addMetric(payload, "Node Control/Rebirth", AliasMap.Rebirth, MetricDataType.Boolean, False)
addMetric(payload, "Node Control/Reboot", AliasMap.Reboot, MetricDataType.Boolean, False)
return bytearray(payload.SerializeToString())
def publishNodeBirth():
print( "Publishing Node Birth")
# Create the node birth payload
payload = sparkplug.getNodeBirthPayload()
# Set up the Node Controls
addMetric(payload, "Node Control/Next Server", AliasMap.Next_Server, MetricDataType.Boolean, False)
addMetric(payload, "Node Control/Rebirth", AliasMap.Rebirth, MetricDataType.Boolean, False)
addMetric(payload, "Node Control/Reboot", AliasMap.Reboot, MetricDataType.Boolean, False)
# Add some regular node metrics
addMetric(payload, "Node Metric0", AliasMap.Node_Metric0, MetricDataType.String, "hello node")
addMetric(payload, "Node Metric1", AliasMap.Node_Metric1, MetricDataType.Boolean, True)
addNullMetric(payload, "Node Metric3", AliasMap.Node_Metric3, MetricDataType.Int32)
# Create a DataSet (012 - 345) two rows with Int8, Int16, and Int32 contents and headers Int8s, Int16s, Int32s and add it to the payload
columns = ["Int8s", "Int16s", "Int32s"]
types = [DataSetDataType.Int8, DataSetDataType.Int16, DataSetDataType.Int32]
dataset = initDatasetMetric(payload, "DataSet", AliasMap.Dataset, columns, types)
row = dataset.rows.add()
element = row.elements.add();
element.int_value = 0
element = row.elements.add();
element.int_value = 1
element = row.elements.add();
element.int_value = 2
row = dataset.rows.add()
element = row.elements.add();
element.int_value = 3
element = row.elements.add();
element.int_value = 4
element = row.elements.add();
element.int_value = 5
# Add a metric with a custom property
metric = addMetric(payload, "Node Metric2", AliasMap.Node_Metric2, MetricDataType.Int16, 13)
metric.properties.keys.extend(["engUnit"])
propertyValue = metric.properties.values.add()
propertyValue.type = ParameterDataType.String
propertyValue.string_value = "MyCustomUnits"
# Create the UDT definition value which includes two UDT members and a single parameter and add it to the payload
template = initTemplateMetric(payload, "_types_/Custom_Motor", None, None) # No alias for Template definitions
templateParameter = template.parameters.add()
templateParameter.name = "Index"
templateParameter.type = ParameterDataType.String
templateParameter.string_value = "0"
addMetric(template, "RPMs", None, MetricDataType.Int32, 0) # No alias in UDT members
addMetric(template, "AMPs", None, MetricDataType.Int32, 0) # No alias in UDT members
# Publish the node birth certificate
byteArray = bytearray(payload.SerializeToString())
client.publish("spBv1.0/" + myGroupId + "/NBIRTH/" + myNodeName, byteArray, 0, False)
def publishNodeBirth():
print "Publishing Node Birth"
# Create the node birth payload
payload = sparkplug.getNodeBirthPayload()
# Set up the Node Controls
addMetric(payload, "Node Control/Next Server", AliasMap.Next_Server, MetricDataType.Boolean, False)
addMetric(payload, "Node Control/Rebirth", AliasMap.Rebirth, MetricDataType.Boolean, False)
addMetric(payload, "Node Control/Reboot", AliasMap.Reboot, MetricDataType.Boolean, False)
# Add some regular node metrics
addMetric(payload, "Node Metric0", AliasMap.Node_Metric0, MetricDataType.String, "hello node")
addMetric(payload, "Node Metric1", AliasMap.Node_Metric1, MetricDataType.Boolean, True)
addNullMetric(payload, "Node Metric3", AliasMap.Node_Metric3, MetricDataType.Int32)
# Create a DataSet (012 - 345) two rows with Int8, Int16, and Int32 contents and headers Int8s, Int16s, Int32s and add it to the payload
columns = ["Int8s", "Int16s", "Int32s"]
types = [DataSetDataType.Int8, DataSetDataType.Int16, DataSetDataType.Int32]
dataset = initDatasetMetric(payload, "DataSet", AliasMap.Dataset, columns, types)
row = dataset.rows.add()
element = row.elements.add();
element.int_value = 0
element = row.elements.add();
element.int_value = 1
element = row.elements.add();
element.int_value = 2
row = dataset.rows.add()
element = row.elements.add();
element.int_value = 3
element = row.elements.add();
element.int_value = 4
element = row.elements.add();
element.int_value = 5
# Add a metric with a custom property
metric = addMetric(payload, "Node Metric2", AliasMap.Node_Metric2, MetricDataType.Int16, 13)
metric.properties.keys.extend(["engUnit"])
propertyValue = metric.properties.values.add()
propertyValue.type = ParameterDataType.String
propertyValue.string_value = "MyCustomUnits"
# Create the UDT definition value which includes two UDT members and a single parameter and add it to the payload
template = initTemplateMetric(payload, "_types_/Custom_Motor", None, None) # No alias for Template definitions
templateParameter = template.parameters.add()
templateParameter.name = "Index"
templateParameter.type = ParameterDataType.String
templateParameter.string_value = "0"
addMetric(template, "RPMs", None, MetricDataType.Int32, 0) # No alias in UDT members
addMetric(template, "AMPs", None, MetricDataType.Int32, 0) # No alias in UDT members
# Publish the node birth certificate
byteArray = bytearray(payload.SerializeToString())
client.publish("spBv1.0/" + myGroupId + "/NBIRTH/" + myNodeName, byteArray, 0, False)
def publishBirth(self, *args):
self.logger.debug("Publishing Node Birth")
# Create the node birth payload
payload = sparkplug.getNodeBirthPayload()
# Add all metrics to payload, including custom properties
for metric in self.metrics:
m = sparkplug.addMetric(payload, metric.name, metric.alias,
metric.datatype, metric.initial)
super().add_properties_to_metric(m, metric.property_list)
byteArray = bytearray(payload.SerializeToString())
self.client.publish(
"spBv1.0/" + self.group_id + "/NBIRTH/" + self.node_id, byteArray,
0, False)
def publishNodeBirth():
print("Publishing Node Birth")
# Create the node birth payload
payload = sparkplug.getNodeBirthPayload()
# Set up the Node Controls
addMetric(payload, "Node Control/Next Server", AliasMap.Next_Server,
MetricDataType.Boolean, False)
addMetric(payload, "Node Control/Rebirth", AliasMap.Rebirth,
MetricDataType.Boolean, False)
addMetric(payload, "Node Control/Reboot", AliasMap.Reboot,
MetricDataType.Boolean, False)
# Publish the node birth certificate
byteArray = bytearray(payload.SerializeToString())
client.publish("spBv1.0/" + myGroupId + "/NBIRTH/" + myNodeName, byteArray,
0, False)
def __initPayload(self):
#Dependency with external library sparkplug
self.__payload = sparkplug.getNodeBirthPayload()
