def OnStart():
# Récupération des informations de configuration (clé Twitter)
if Constellation.GetSetting("twitter_access_token_key") <> None:
Constellation.WriteInfo("Clés de configurations récupérées : (%s ; %s)" % (Constellation.GetSetting("twitter_access_token_key"), Constellation.GetSetting("twitter_access_token_secret")))
else:
#Constellation.RequestSettings()
Constellation.WriteError("Problèm lors de la configuration du paquet")
while(True):
# Informations basiques liées à un compte Twitter :
basicInformations = Tw.basicInformations(Constellation.GetSetting("twitter_access_token_key"), Constellation.GetSetting("twitter_access_token_secret"))
# Vérification de la connexion au serveur Twitter
try:
basicInformations.id
except error:
Constellation.WriteError("Impossible de se connecter au serveur Twitter...")
else:
# Push des données
Constellation.WriteInfo("Connexion au serveur Twitter : récupération des informations de @%s terminée !" % basicInformations.screen_name)
Constellation.PushStateObject(basicInformations.screen_name, basicInformations.AsDict(), lifetime = 30)
time.sleep(30)
pass
def Start():
sensorType = Constellation.GetSetting("SensorType")
if sensorType == "DHT11":
sensor = Adafruit_DHT.DHT11
elif sensorType == "DHT22":
sensor = Adafruit_DHT.DHT22
elif sensorType == "AM2302":
sensor = Adafruit_DHT.AM2302
else:
Constellation.WriteError(
"Sensor type not supported ! Check your settings")
return
sensorPin = int(Constellation.GetSetting("SensorPin"))
Constellation.WriteInfo("%s on #%d is ready !" % (sensorType, sensorPin))
lastSend = 0
while Constellation.IsRunning:
ts = int(round(time.time()))
if ts - lastSend >= int(Constellation.GetSetting("Interval")):
humidity, temperature = Adafruit_DHT.read_retry(sensor, sensorPin)
if humidity is not None and temperature is not None:
Constellation.PushStateObject(
"Temperature",
round(temperature, 2),
lifetime=int(Constellation.GetSetting("Interval")) * 2)
Constellation.PushStateObject(
"Humidity",
round(humidity, 2),
lifetime=int(Constellation.GetSetting("Interval")) * 2)
lastSend = ts
else:
Constellation.WriteError("Failed to get reading")
time.sleep(1)
def Start():
# Make the "modbus" file as executable
st = os.stat(EXECUTABLE_FILENAME)
os.chmod(EXECUTABLE_FILENAME, st.st_mode | stat.S_IEXEC)
# Loading devices configuration
lastQuery = {}
try:
if Constellation.GetSetting("Devices"):
for device in json.loads(Constellation.GetSetting("Devices")):
Constellation.WriteInfo(
"Registering '%s' (interval: %d ms)" %
(device["Name"], device["RequestInterval"]))
lastQuery[device["Name"]] = 0
typeDescriptor = []
for prop in device["Properties"]:
typeDescriptor.append({
"Name":
prop["Name"],
"Type":
prop["Type"] if "Type" in prop else "",
"Description":
prop["Description"] if "Description" in prop else ""
})
Constellation.DescribeStateObjectType(
"Modbus.%s" % device["StateObjectTypeName"],
"%s's datas" % device["StateObjectTypeName"],
typeDescriptor)
Constellation.DeclarePackageDescriptor()
except Exception, e:
Constellation.WriteError(
"Error while loading the device's configuration : %s" % str(e))
def DoMeasure():
# Start process
process = subprocess.Popen("./" + EXECUTABLE_FILENAME,
stdout=subprocess.PIPE)
# Reading output
for line in iter(process.stdout.readline, ''):
# Parse line
matchObj = re.match(
'RC: (\d*)\((.*)\), broadband: (\d*), ir: (\d*), lux: (\d*)', line)
if matchObj:
# Reading value
returnCode = int(matchObj.group(1))
broadband = int(matchObj.group(3))
ir = int(matchObj.group(4))
lux = int(matchObj.group(5))
# Push StateObject
if returnCode != 0:
Constellation.WriteWarn("Unknow return code %s : %s" %
(returnCode, line))
else:
Constellation.PushStateObject(
"Lux", {
"Broadband": broadband,
"IR": ir,
"Lux": lux
},
"LightSensor.Lux",
lifetime=int(Constellation.GetSetting("Interval")) * 2)
else:
Constellation.WriteError("Unable to parse the output: %s" % line)
def OnStart():
global inputs
global outputs
Constellation.OnExitCallback = OnExit
# Read the configuration
mode = None
try:
config = json.loads(Constellation.GetSetting("Configuration"))
if config["PinMode"] == 'BCM':
mode = GPIO.BCM
elif config["PinMode"] == 'BOARD':
mode = GPIO.BOARD
else:
Constellation.WriteError(
"Invalid pin mode. Should be set to BCM or BOARD")
return
inputs = config['Inputs']
outputs = config['Outputs']
except Exception, e:
Constellation.WriteError("Error while reading the configuration : %s" %
str(e))
return
def OnStart():
# Register callback on package shutdown
Constellation.OnExitCallback = OnExit
# Write log & common properties
Constellation.WriteInfo("Hi I'm '%s' and I currently running on %s and %s to Constellation" % (Constellation.PackageName, Constellation.SentinelName if not Constellation.IsStandAlone else 'local sandbox', "connected" if Constellation.IsConnected else "disconnected"))
# GetSetting
Constellation.WriteInfo("Demo1 = " + str(Constellation.GetSetting("Demo1"))) # If setting not exist, return None !
# Send message without parameter
Constellation.SendMessage("DemoPackage", "HelloWorld", [], Constellation.MessageScope.package)
# Send message with 2 parameter
Constellation.SendMessage("DemoPackage", "SendMessage", [ "+33123456789", "Hi" ], Constellation.MessageScope.package)
# Send message with complex parameter
Constellation.SendMessage("DemoPackage", "DemoComplex", { "A": "This is a string", "B": 123, "C": True }, Constellation.MessageScope.package)
# Send message "MessageCallbackWithComplexeResponse" with "123" as parameter to "Demo" pasckage and write the "A" property of the response
Constellation.SendMessageWithSaga(lambda response: Constellation.WriteInfo("A=%s" % response.A), "Demo", "MessageCallbackWithComplexResponse", 123)
# Push basic StateObject
Constellation.PushStateObject("DemoStr", "Demo de seb") # StateObject with "String" as value
Constellation.PushStateObject("DemoBool", False, lifetime=10) # StateObject with "Bool" as value and a lifetime (10 sec here)
Constellation.PushStateObject("DemoInt", 123, metadatas={ "DeviceId":"RPi", "Serial":"123" }) # StateObject with "Int" as value and metadatas
Constellation.PushStateObject("DemoFloat", 12.45, metadatas={ "DeviceId":"RPi", "Serial":"123" }, lifetime=10) # StateObject with "Float" as value, metadatas and lifetime
# Custom type descriptions
Constellation.DescribeMessageCallbackType("CredentialInfo", "Credential information", [
{ 'Name':'Username', 'Type':'string', 'Description': 'The username' },
{ 'Name':'Password', 'Type':'string', 'Description': 'The password' },
])
Constellation.DescribeStateObjectType("DemoType", "Demo type", [
{ 'Name':'Sender', 'Type':'string', 'Description': 'The demo' },
{ 'Name':'Credential', 'Type':'CredentialInfo', 'Description': 'The credential nested demo' }
])
Constellation.DeclarePackageDescriptor()
# Push complex StateObject
Constellation.PushStateObject("Demo", { "Sender": "DemoPython", "Credential": { "Username": "******", "Password":"******" } }, "DemoType", { "DeviceId": "RPi", "Serial":"123" }) # StateObject with custom type
# WriteInfo, WriteWarn & WriteError
Constellation.WriteInfo("Hello world from Python !")
Constellation.WriteWarn("This is a warning !")
Constellation.WriteError("This is an error !")
# Last StateObjects of the previous instance
if Constellation.LastStateObjects:
for so in Constellation.LastStateObjects:
Constellation.WriteInfo(" + %s @ %s" % (so.Name, so.LastUpdate))
def DigitalWrite(name, value):
'''
Write a HIGH or a LOW value to a digital pin.
:param string name: Name of the digital pin defined in the configuration
:param bool value: The value applied to the digital pin
'''
output = [o for o in outputs if o['Name'] == name]
if any(output):
Constellation.WriteInfo("Setting #%d to %s" %
(output[0]['Pin'], value))
GPIO.output(output[0]['Pin'], value)
Constellation.PushStateObject(output[0]['Name'],
value,
metadatas={
"Mode": "Output",
"Pin": output[0]['Pin']
})
else:
Constellation.WriteError("Unknown output !")
ts = int(round(time.time()))
if (ts - lastQuery[device["Name"]]) >= (
device["RequestInterval"] / 1000):
lastQuery[device["Name"]] = ts
try:
registers = ReadModbusRegister(
device["RegisterAddress"],
device["RegistersCount"], device["SlaveID"])
result = {}
for prop in device["Properties"]:
try:
result[prop["Name"]] = eval(
prop["Selector"])
except Exception, e:
Constellation.WriteError(
"Error on the property '%s' of '%s' : %s"
%
(prop["Name"], device["Name"], str(e)))
Constellation.PushStateObject(
device["Name"],
result,
"Modbus.%s" % device["StateObjectTypeName"],
lifetime=(device["RequestInterval"] / 1000) *
2,
metadatas={"SlaveID": device["SlaveID"]})
except Exception, e:
Constellation.WriteError(
"Error while requesting %s : %s" %
(device["Name"], str(e)))
except Exception, e:
Constellation.WriteError("Error while reading configuration : %s" %
str(e))
