class Workspace2(Workspace):
"""Interface that controls the running state of the system and accesses the channels in the system."""
def __init__(self, gatewayIPAddress=None):
if (gatewayIPAddress is None):
self.iwks = Factory().GetIWorkspace2("")
else:
self.iwks = Factory().GetIWorkspace2(gatewayIPAddress)
def GetSystemState(self):
"""Returns the current state of the system."""
data = self.iwks.GetSystemState(0, "", None)
_RaiseException_(data[0])
targets = []
for target in data[3]:
targets.append(target)
return {
'state': self._NetSystemStateToPy_(data[1]),
'systemdefinition_file': data[2],
'targets': tuple(targets)
}
def ConnectToSystem(self, systemdefinition_file, deploy, timeout):
"""Connects the VeriStand Gateway to one or more targets running on the System Definition file you specify."""
_RaiseException_(
self.iwks.ConnectToSystem(systemdefinition_file,
System.Boolean(deploy),
System.UInt32(timeout)))
def DisconnectFromSystem(self, password, undeploy_system_definition):
"""Disconnects the VeriStand Gateway from the targets."""
_RaiseException_(
self.iwks.DisconnectFromSystem(password,
undeploy_system_definition))
def LockConnection(self, old_password, new_password):
"""
Locks the current VeriStand Gateway connection.
If the connection was locked previously, you must enter the previous password in `old_password`.
"""
_RaiseException_(self.iwks.LockConnection(old_password, new_password))
def UnlockConnection(self, password):
"""Unlocks the current VeriStand Gateway connection."""
_RaiseException_(self.iwks.UnlockConnection(password))
def StartDataLogging(self, configuration_name, logInfo):
"""Starts logging data to the configuration you specify."""
_RaiseException_(
self.iwks.StartDataLogging(configuration_name, logInfo))
def StopDataLogging(self, configuration_name):
"""Terminates data logging for the configuration you specify."""
_RaiseException_(self.iwks.StopDataLogging(configuration_name))
def SetChannelValues(self, channels, newValues):
"""Sets the value for the channels you specify.
The `newValues` parameter accepts scalar, vector, and matrix data types.
"""
tupleChannelNames = _ConvertListParamToTuple_(channels)
tupleArray = _ConvertMATRIXARRToDataArray_(newValues)
_RaiseException_(
self.iwks.SetChannelValues(tupleChannelNames, tupleArray))
#################################################
###Changes channel values, wait and reset ###
#Prepare values that will be assigned
engine_power = BooleanValue(True)
desired_rpm = DoubleValue(3000)
wait_time = DoubleValue(10)
# You can access a channel with a ChannelReference
engine_power_chan = ChannelReference('Aliases/EnginePower')
desired_rpm_chan = ChannelReference('Aliases/DesiredRPM')
engine_power_chan.value = engine_power.value
desired_rpm_chan.value = desired_rpm.value
wait(wait_time.value)
engine_power_chan.value = False
desired_rpm_chan.value = 0
###############################################
#Stop Data Logging Session
logs_array = ["logs"]
Data_Logging_Manager_Ref.StopDataLoggingSession("myLoggingSession", True,
Array[str](logs_array))
wait(10)
#Disconnect from System
password = ""
undeploySystemDefinition = True
Workspace_Ref.DisconnectFromSystem(password, undeploySystemDefinition)