def state_machine_example():
state = I32Value(0)
iters = I32Value(0)
amplitude = DoubleValue(1000)
stop = BooleanValue(False)
output = ChannelReference('Aliases/DesiredRPM')
while stop.value != True and iters.value < 10: # noqa: E712 NI recommends you use comparison instead of identity.
state.value = rand(7)
if state.value == 0:
wait(2)
elif state.value == 1:
sine_wave(output, amplitude, 1, 0, 0, 2)
elif state.value == 2:
square_wave(output, amplitude, 5, 0, 0, 50, 2)
elif state.value == 3:
triangle_wave(output, amplitude, 1, 0, 0, 2)
elif state.value == 4:
uniform_white_noise_wave(output, amplitude, tickcountus(), 2)
elif state.value == 5:
ramp(output, -amplitude.value, amplitude, 2)
elif state.value == 6:
sawtooth_wave(output, amplitude, 1, 0, 0, 2)
else:
stop.value = True
iters.value += 1
state.value = rand(7)
def engine_demo_basic(engine_power, desired_rpm):
"""Turn on the engine, set the desired_rpm to the passed value for 20 seconds, and shut down the engine.
You must access parameters through their ".value" property.
"""
# 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(DoubleValue(20))
engine_power_chan.value = False
desired_rpm_chan.value = 0
def enter_30():
ReAX_GearA_Disable_chan.value = 0
ReAX_GearB_Disable_chan.value = 0
# Power on button
Power_On_chan.value = 1
# Check System Status
if SystemStatus_chan.value != 25:
error_status.value = True
# Push autonomous driving button
Autonomous_Drive_chan.value = 1
wait(DoubleValue(1))
Autonomous_Drive_chan.value = 0
# Check System Status
if SystemStatus_chan.value != 30:
error_status.value = True
MODE_TRANS_chan.value = 18
enter_autonomous_succeeded.value = True
def enter_30():
error_status = BooleanValue(True)
# channel references
Power_On_chan = ChannelReference(
'Targets/TruckSim_TTC580/Hardware/Chassis/DAQ/PXI1Slot2/Digital Output/port0/Power on')
ReAX_GearA_Disable_chan = ChannelReference(
'Targets/TruckSim_TTC580/User Channels/NI-XNET/VCAN-B/ReAX_GearA (486535187)/ReAX_GearA (486535187) Disable')
ReAX_GearB_Disable_chan = ChannelReference(
'Targets/TruckSim_TTC580/User Channels/NI-XNET/VCAN-B/ReAX_GearB (486535443)/ReAX_GearB (486535443) Disable')
RemoteAccelPedalPos_chan = ChannelReference(
'Targets/TruckSim_TTC580/Hardware/Chassis/NI-XNET/CAN/Vehicle CAN/Incoming/Single-Point/EEC2_CMD (418382648)/RemoteAccelPedalPos')
XBRBrakeDemand_chan = ChannelReference(
'Targets/TruckSim_TTC580/Hardware/Chassis/NI-XNET/CAN/Vehicle CAN/Incoming/Single-Point/XBR (201591804)/XBRBrakeDemand')
XPRPReq_chan = ChannelReference(
'Targets/TruckSim_TTC580/Hardware/Chassis/NI-XNET/CAN/VCAN-B/Incoming/Single-Point/XPRCmd (218060344)/XPRPReq')
Autonomous_Drive_chan = ChannelReference('Targets/TruckSim_TTC580/Hardware/Chassis/DAQ'
'/PXI1Slot2/Digital Output/port0/Autonomous Drive')
MODE_TRANS_chan = ChannelReference(
'Targets/TruckSim_TTC580/Simulation Models/Models/trucksim_LVRT/Inports/MODE_TRANS')
SystemStatus_chan = ChannelReference(
'Targets/TruckSim_TTC580/Hardware/Chassis/NI-XNET/CAN/Server CAN/Incoming/Single-Point/SystemStatus (69785)/SystemStatus')
# *** end initialization
# *** steps
# start sending lateral drive
ReAX_GearA_Disable_chan.value = 0
ReAX_GearB_Disable_chan.value = 0
# power on VCU
Power_On_chan.value = 1
wait(DoubleValue(3))
if SystemStatus_chan.value != 25:
error_status.value = False
Autonomous_Drive_chan.value = 1
wait(DoubleValue(1))
Autonomous_Drive_chan.value = 0
if SystemStatus_chan.value != 30:
error_status.value = False
MODE_TRANS_chan.value = 18
return error_status.value
def self_check():
# *** initialization
# variables
TestPass = BooleanValue(True)
# channel references
Power_On_chan = ChannelReference(
'Targets/TruckSim_TTC580/Hardware/Chassis/DAQ/PXI1Slot2/Digital Output/port0/Power on')
ReAX_GearA_Disable_chan = ChannelReference(
'Targets/TruckSim_TTC580/User Channels/NI-XNET/VCAN-B/ReAX_GearA (486535187)/ReAX_GearA (486535187) Disable')
ReAX_GearB_Disable_chan = ChannelReference(
'Targets/TruckSim_TTC580/User Channels/NI-XNET/VCAN-B/ReAX_GearB (486535443)/ReAX_GearB (486535443) Disable')
RemoteAccelPedalPos_chan = ChannelReference(
'Targets/TruckSim_TTC580/Hardware/Chassis/NI-XNET/CAN/Vehicle CAN/Incoming/Single-Point/EEC2_CMD (418382648)/RemoteAccelPedalPos')
XBRBrakeDemand_chan = ChannelReference(
'Targets/TruckSim_TTC580/Hardware/Chassis/NI-XNET/CAN/Vehicle CAN/Incoming/Single-Point/XBR (201591804)/XBRBrakeDemand')
XPRPReq_chan = ChannelReference(
'Targets/TruckSim_TTC580/Hardware/Chassis/NI-XNET/CAN/VCAN-B/Incoming/Single-Point/XPRCmd (218060344)/XPRPReq')
# *** end initialization
# *** steps
# start sending lateral drive
ReAX_GearA_Disable_chan.value = 0
ReAX_GearB_Disable_chan.value = 0
# power on VCU
Power_On_chan.value = 1
wait(DoubleValue(3))
# check RemoteAccelPedalPos, XBRBrakeDemand and XPRPReq has been zeroed
if RemoteAccelPedalPos_chan.value != 0 or \
-0.02 > XBRBrakeDemand_chan.value or XBRBrakeDemand_chan.value > 0.02 or \
XPRPReq_chan.value != 0:
TestPass.value = False
# wait for relays to switch on
wait(DoubleValue(5))
# *** end steps
return TestPass.value
#Set Stop Trigger (Duration)
Logging_Specification_Ref.StopTrigger = DefaultTrigger(True)
Logging_Specification_Ref.PostTriggerDuration = 4
#Start Data Logging Session
Data_Logging_Manager_Ref.StartDataLoggingSession("myLoggingSession",Logging_Specification_Ref)
#################################################
###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))
from NationalInstruments.VeriStand.ClientAPI.Logging import DefaultTrigger
from NationalInstruments.VeriStand.ClientAPI.Logging import *
from System import Array
#Import command line library
import os
#Import elements to be able to deploy the project and connect to the workspace
from NationalInstruments.VeriStand.ClientAPI import DeployOptions
#Launch NI VeriStand and open project
projectpath = r"C:\Users\chericks\Documents\VeriStand Projects\Engine Demo\Engine Demo.nivsprj"
os.startfile(projectpath)
wait(30)
#Open Workspace Reference. We use localhost because logging takes place in the local computer
Workspace_Ref = Factory().GetIWorkspace2("localhost")
#New DeployOptions Reference
DeployOptions_Ref = DeployOptions()
DeployOptions_Ref.DeploySystemDefinition = True
DeployOptions_Ref.Timeout = 60000
DeployOptions_Ref.CalibrationFilePath = r"C:\Users\chericks\Documents\VeriStand Projects\Engine Demo\Engine Demo.nivscf"
DeployOptions_Ref.FilteredTargets = ""
#Connect to System
systemDefinitionFilePath = r"C:\Users\chericks\Documents\VeriStand Projects\Engine Demo\Engine Demo.nivssdf"
Workspace_Ref.ConnectToSystem(systemDefinitionFilePath, DeployOptions_Ref)
