class StrainSensor(Sensor): '''Class used to handle load cell type sensors. Extends Sensor class ''' def __init__(self, deviceSN, channelNo, dataInterval, refreshPeriod, sensorName=None): ''' Constructor for strain sensor phidgets. Takes standard Sensor arguments ''' self.channelNo = channelNo self.sensorUnits = "Kg" self.useCallibration = False self.gradient = 1 self.intercept = 0 Sensor.__init__(self, deviceSN, dataInterval, refreshPeriod, sensorName) def attachSensor(self): ''' Connects the strain sensor to the application ''' self.channel = VoltageRatioInput() self.channel.setDeviceSerialNumber(self.deviceSN) self.channel.setChannel(self.channelNo) self.channel.openWaitForAttachment(100) print("\n***** {} Sensor Attached *****".format(self.sensorName)) self.attached = True self.channel.setDataInterval(self.dataInterval) self.channel.setBridgeGain(0x8) def activateDataListener(self): ''' Sets up the event which triggers when the sensor updates its utput values ''' self.startTime = time.time() def onSensorValueChange(channelObject, voltageRatio): rawTime = time.time() deltaTime = rawTime - self.startTime if self.useCallibration: voltageRatio = voltageRatio * self.gradient + self.intercept self.dataQ.put([voltageRatio, deltaTime, rawTime]) self.channel.setOnVoltageRatioChangeHandler(onSensorValueChange) def setCallibration(self, gradient, intercept): ''' Used to give the sensor callibration values. ''' self.gradient = gradient self.intercept = intercept self.useCallibration = True
class VoltageRatioSensor(Sensor): '''Class used to handle any sensor which uses a ratiometric voltage input ''' def __init__(self, deviceSN, channelNo, dataInterval, refreshPeriod, sensorType, sensorName=None): ''' Connects the sensor to the application ''' self.channelNo = channelNo self.sensorType = sensorType self.sensorUnits = None Sensor.__init__(self, deviceSN, dataInterval, refreshPeriod, sensorName) def attachSensor(self): ''' Connects the sensor to the application ''' self.channel = VoltageRatioInput() self.channel.setDeviceSerialNumber(self.deviceSN) self.channel.setChannel(self.channelNo) self.channel.openWaitForAttachment(100) print("\n***** {} Sensor Attached *****".format(self.sensorName)) self.attached = True self.channel.setSensorType(self.sensorType) self.channel.setDataInterval(self.dataInterval) self.sensorUnits = self.channel.getSensorUnit().symbol def activateDataListener(self): ''' Sets up the event which triggers when the sensor updates its outputs ''' self.startTime = time.time() def onSensorValueChange(channelObject, sensorVlue, sensorUnit): rawTime = time.time() deltaTime = rawTime - self.startTime self.dataQ.put( [channelObject.getSensorValue(), deltaTime, rawTime]) self.channel.setOnSensorChangeHandler(onSensorValueChange)
class jigCurrent(object): '''current sensor''' def __init__(self, provider, channel): self.ai = VoltageRatioInput() self.ai.setDeviceSerialNumber(provider) self.ai.setChannel(channel) self.ai.setOnAttachHandler(self._attached) self.ai.openWaitForAttachment(1000) def _attached(self, event): self.ai.setSensorType(VoltageRatioSensorType.SENSOR_TYPE_1122_DC) self.ai.setDataInterval(100) self.ai.setVoltageRatioChangeTrigger(0) @property def current(self): return self.ai.getSensorValue() @property def unitInfo(self): return self.ai.getSensorUnit()
class PneumaticFrame2: def __init__(self, master, initial_name, top_name, color, sol, reg_pwr, reg_set, reg_get, PSI): self.frame = Frame(master, borderwidth=2, relief=SUNKEN, bg=color) self.frame.pack() self.master = master self.frame_name = StringVar() self.frame_name.set(initial_name) self.state = 0 self.fontType = "Comic Sans" self.activeColor = 'SpringGreen4' self.frameColor = color self.pressure = IntVar() self.lock_flag = IntVar() self.pressure.set("") self.power = Button(self.frame, text="PWR", activebackground=self.activeColor, command=lambda: self.toggle_pwr()) self.set_label = Button(self.frame, text="SET LABEL", font=(self.fontType, 7), command=lambda: self.get_label_input()) self.observed_pressure = Entry(self.frame, width=5, state="readonly", textvariable=self.pressure) if self.frame_name.get() == "Hydro": self.set_pressure_scale = Scale(self.frame, orient=HORIZONTAL, from_=0, to=92, resolution=0.5, bg=color, label="Set Pressure (PSI)", highlightthickness=0, command=self.set_pressure) else: self.set_pressure_scale = Scale(self.frame, orient=HORIZONTAL, from_=0, to=50, resolution=0.5, bg=color, label="Set Pressure (PSI)", highlightthickness=0, command=self.set_pressure) self.custom_label = Label(self.frame, textvariable=self.frame_name, font=(self.fontType, 14), bg=color) self.label = Label(self.frame, text=initial_name, bg=color) self.lock = Checkbutton(self.frame, text="LOCK", bg=color, variable=self.lock_flag, command=self.lock) self.frame_name.set(top_name) # Init the pressure scale to the default value. self.set_pressure_scale.set(PSI) # Lock hydo at startup if initial_name == "Hydro": self.lock.select() self.set_pressure_scale.config(state="disabled") self.power.config(state="disable") self.frame.rowconfigure(0, minsize=30) self.custom_label.grid(row=0, column=0, columnspan=2, sticky=S) self.set_label.grid(column=0, row=1, columnspan=2) self.frame.rowconfigure(2, minsize=50) self.power.grid(column=0, row=2) self.observed_pressure.grid(column=1, row=2) self.set_pressure_scale.grid(column=0, row=3, columnspan=2, padx=20) self.frame.rowconfigure(4, minsize=5) self.label.grid(column=0, row=5) self.lock.grid(column=1, row=5) # Connect to Phidget Solid State Relay for solinoid control if self.frame_name.get() == "Hydro": self.solenoid_switch = DigitalOutput() self.solenoid_switch.setDeviceSerialNumber(sol[0]) self.solenoid_switch.setIsHubPortDevice(False) self.solenoid_switch.setHubPort(sol[1]) self.solenoid_switch.setChannel(sol[2]) self.solenoid_switch.openWaitForAttachment(5000) #Connect to Phidget Solid State Relay for regulator power control self.reg_switch = DigitalOutput() self.reg_switch.setDeviceSerialNumber(reg_pwr[0]) self.reg_switch.setIsHubPortDevice(False) self.reg_switch.setHubPort(reg_pwr[1]) self.reg_switch.setChannel(reg_pwr[2]) self.reg_switch.openWaitForAttachment(5000) #Connect to Phidget Voltage Ouptut for pressure control self.pressure_ctrl = VoltageOutput() self.pressure_ctrl.setDeviceSerialNumber(reg_set[0]) self.pressure_ctrl.setIsHubPortDevice(False) self.pressure_ctrl.setHubPort(reg_set[1]) self.pressure_ctrl.setChannel(reg_set[2]) self.pressure_ctrl.openWaitForAttachment(5000) #Connect to Phidget Analog Input for pressure reading self.pressure_reading = VoltageRatioInput() self.pressure_reading.setDeviceSerialNumber(reg_get[0]) #One of the VINT Hubs on the SBC is used and needs special configuration if reg_get[0] == SBCH: self.pressure_reading.setIsHubPortDevice(True) self.pressure_reading.setHubPort(0) self.pressure_reading.setChannel(reg_get[1]) self.pressure_reading.openWaitForAttachment(5000) def toggle_pwr(self): #Turn on air channel if self.state == 0: #Turn on power to regulator and show active button color self.power.config(bg=self.activeColor) self.reg_switch.setState(True) if self.frame_name.get() == "Hydro": self.solenoid_switch.setState(True) #Start monitoring air pressure self.update_pressure() #Change state of air channel self.state = 1 #Turn off air channel elif self.state == 1: remember_state = self.set_pressure_scale.get() if self.frame_name.get() != "Hydro": messagebox.showinfo( self.frame_name.get() + " Warning", "Pressure will be set to zero. Acknowledge that " + self.frame_name.get() + " is in a safe configuration") # Change pressure to zero self.set_pressure_scale.set(0) self.set_pressure(0) time.sleep(0.5) self.frame.update() self.reg_switch.setState(False) time.sleep(0.5) self.set_pressure_scale.set(remember_state) if self.frame_name.get() == "Hydro": self.solenoid_switch.setState(False) self.lock.select() self.set_pressure_scale.config(state="disabled") self.power.config(state="disable") #Turn off power to reguluator and remove active button color self.power.config(bg="SystemButtonFace") #Update air channel state self.state = 0 def get_label_input(self): self.window = popupWindow(self.master) self.set_label.config(state=DISABLED) self.master.wait_window(self.window.top) self.set_label.config(state=NORMAL) #If the user does not enter a value exception will be produced try: if len(self.window.value) > 12: self.frame_name.set("SET ERROR") else: self.frame_name.set(self.window.value) except: self.frame_name.set("SET ERROR") def set_pressure(self, val): # Pressure Range range = MAXPR - MINPR # Calculate volts/PSI ratio = 5 / range self.pressure_ctrl.setVoltage(float(val) * ratio) def update_pressure(self): if self.reg_switch.getState(): try: val = float(self.pressure_reading.getSensorValue()) PSI = val * 165.63 - 30.855 PSI = round(PSI, 2) self.pressure.set(PSI) #Low pressure check if PSI < (self.set_pressure_scale.get() - 3): if self.frame.cget('bg') == "Red": self.frame.config(bg=self.frameColor) self.set_pressure_scale.config(bg=self.frameColor) self.custom_label.config(bg=self.frameColor) self.label.config(bg=self.frameColor) self.lock.config(bg=self.frameColor) else: self.frame.config(bg='Red') self.set_pressure_scale.config(bg="Red") self.custom_label.config(bg="Red") self.label.config(bg="Red") self.lock.config(bg="Red") if PSI > (self.set_pressure_scale.get() - 3): if self.frame.cget('bg') == "Red": self.frame.config(bg=self.frameColor) self.set_pressure_scale.config(bg=self.frameColor) self.custom_label.config(bg=self.frameColor) self.label.config(bg=self.frameColor) self.lock.config(bg=self.frameColor) except: print("Init Air Pressure") root.after(200, self.update_pressure) else: self.pressure.set("") def lock(self): if self.lock_flag.get() == True: self.set_pressure_scale.config(state="disabled") self.power.config(state="disable") elif self.lock_flag.get() == False: self.set_pressure_scale.config(state="normal") self.power.config(state="normal")
class HardwareManager: cmdbuffer = stack(max=64) #true -> on #false -> off states = { "pressurize_tanks": False, "lox_vent": False, "kerosene_vent": False, "lox_dump": False, "kerosene_dump": False, "shutdown": False, "emergency_shutdown": False } current_pressures = {"p1": 0, "p2": 0, "p3": 0, "p4": 0} def init_load_cell(self, cfg): self.lc = VoltageRatioInput() self.lc.setDeviceSerialNumber(cfg["serialnumber"]) self.lc.setChannel(cfg["channel"]) def __init__(self, cfg, net: Net): self.hcfg = cfg["rpi"]["GPIO"] self.net = net self.logger = logging.getLogger("Hardware") #init gpio for valve in self.hcfg["valves"].keys(): GPIO.setup(self.hcfg[valve]["v"], GPIO.OUT, initial=GPIO.LOW) for sensor in self.hcfg["pressure"].keys(): pass self.init_load_cell(self.hcfg["loadcell"]) self.logger.info("Hardware Initialized") def report_states(self): return self.states def report_data(self) -> dict: pass async def collect_data(self): while 1: pass def cmd(self, cmd): self.cmdbuffer.put_nowait(cmd) def exec(self, cmd: str): """ executes necessary hardware changes to cause system change :param cmd: string for selected hardware sequence :return: nothing """ if cmd == "lox_vent": self.states["lox_vent"] = True elif cmd == "kerosene_vent": self.states["kerosene_vent"] = True elif cmd == "ignition": self.states["kerosene_dump"] = True self.states["lox_dump"] = True elif cmd == "kerosene_dump": self.states["kerosene_dump"] = True elif cmd == "lox_dump": self.states["lox_dump"] = True elif cmd == "pressurize": self.states["pressurize"] = True elif cmd == "shutdown": pass
def main(): try: """ * Allocate a new Phidget Channel object """ ch = VoltageRatioInput() """ * Set matching parameters to specify which channel to open """ #You may remove this line and hard-code the addressing parameters to fit your application channelInfo = AskForDeviceParameters(ch) ch.setDeviceSerialNumber(channelInfo.deviceSerialNumber) ch.setHubPort(channelInfo.hubPort) ch.setIsHubPortDevice(channelInfo.isHubPortDevice) ch.setChannel(channelInfo.channel) if (channelInfo.netInfo.isRemote): ch.setIsRemote(channelInfo.netInfo.isRemote) if (channelInfo.netInfo.serverDiscovery): try: Net.enableServerDiscovery( PhidgetServerType.PHIDGETSERVER_DEVICEREMOTE) except PhidgetException as e: PrintEnableServerDiscoveryErrorMessage(e) raise EndProgramSignal( "Program Terminated: EnableServerDiscovery Failed") else: Net.addServer("Server", channelInfo.netInfo.hostname, channelInfo.netInfo.port, channelInfo.netInfo.password, 0) """ * Add event handlers before calling open so that no events are missed. """ print("\n--------------------------------------") print("\nSetting OnAttachHandler...") ch.setOnAttachHandler(onAttachHandler) print("Setting OnDetachHandler...") ch.setOnDetachHandler(onDetachHandler) print("Setting OnErrorHandler...") ch.setOnErrorHandler(onErrorHandler) #This call may be harmlessly removed PrintEventDescriptions() print("\nSetting OnVoltageRatioChangeHandler...") ch.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler) print("\nSetting OnSensorChangeHandler...") ch.setOnSensorChangeHandler(onSensorChangeHandler) """ * Open the channel with a timeout """ print("\nOpening and Waiting for Attachment...") try: ch.openWaitForAttachment(5000) except PhidgetException as e: PrintOpenErrorMessage(e, ch) raise EndProgramSignal("Program Terminated: Open Failed") print("Sampling data for 10 seconds...") print( "You can do stuff with your Phidgets here and/or in the event handlers." ) time.sleep(10) """ * Perform clean up and exit """ print("\nDone Sampling...") print("Cleaning up...") ch.close() print("\nExiting...") return 0 except PhidgetException as e: sys.stderr.write("\nExiting with error(s)...") DisplayError(e) traceback.print_exc() print("Cleaning up...") ch.close() return 1 except EndProgramSignal as e: print(e) print("Cleaning up...") ch.close() return 1 except RuntimeError as e: sys.stderr.write("Runtime Error: \n\t" + e) traceback.print_exc() return 1 finally: print("Press ENTER to end program.") readin = sys.stdin.readline()
def main(): """ * Define how long the program runs for """ runtime = int(input("Measure for long long: ")) # seconds """ * Allocate a new Phidget Channel object """ ch = VoltageRatioInput() ch2 = VoltageRatioInput() ch3 = VoltageRatioInput() ch4 = VoltageRatioInput() """ * Set matching parameters to specify which channel to open """ ch.setDeviceSerialNumber(533379) ch.setIsHubPortDevice(False) ch.setChannel(0) ch2.setDeviceSerialNumber(533379) ch2.setIsHubPortDevice(False) ch2.setChannel(1) ch3.setDeviceSerialNumber(533379) ch3.setIsHubPortDevice(False) ch3.setChannel(2) ch4.setDeviceSerialNumber(533379) ch4.setIsHubPortDevice(False) ch4.setChannel(3) """ * Add event handlers before calling open so that no events are missed. """ print("\n--------------------------------------") ch.setOnAttachHandler(onAttachHandler) ch2.setOnAttachHandler(onAttachHandler) ch3.setOnAttachHandler(onAttachHandler) ch4.setOnAttachHandler(onAttachHandler) ch.setOnDetachHandler(onDetachHandler) ch2.setOnDetachHandler(onDetachHandler) ch3.setOnDetachHandler(onDetachHandler) ch4.setOnDetachHandler(onDetachHandler) ch.setOnErrorHandler(onErrorHandler) ch2.setOnErrorHandler(onErrorHandler) ch3.setOnErrorHandler(onErrorHandler) ch4.setOnErrorHandler(onErrorHandler) ch.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler) ch2.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler2) ch3.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler3) ch4.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler4) """ * Open the channel with a timeout """ print("\nOpening and Waiting for Attachment...") ch.openWaitForAttachment(5000) ch2.openWaitForAttachment(5000) ch3.openWaitForAttachment(5000) ch4.openWaitForAttachment(5000) time.sleep(runtime) """ * Perform clean up and exit """ #clear the VoltageRatioChange event handler ch.setOnVoltageRatioChangeHandler(None) ch2.setOnVoltageRatioChangeHandler(None) ch3.setOnVoltageRatioChangeHandler(None) ch4.setOnVoltageRatioChangeHandler(None) print("Cleaning up...") ch.close() ch2.close() ch3.close() ch4.close() f1.close() f2.close() f3.close() f4.close() print("\nExiting...") return 0
def main2(): global sleeptime try: """ * Allocate a new Phidget Channel object """ ch2 = VoltageRatioInput() """ * Set matching parameters to specify which channel to open """ #You may remove this line and hard-code the addressing parameters to fit your application #channelInfo = AskForDeviceParameters(ch) ch2.setDeviceSerialNumber(566690) ch2.setChannel(2) """ * Add event handlers before calling open so that no events are missed. """ #print("\n--------------------------------------") #print("\nSetting OnAttachHandler...") ch2.setOnAttachHandler(onAttachHandler) #print("Setting OnDetachHandler...") ch2.setOnDetachHandler(onDetachHandler) #print("Setting OnErrorHandler...") ch2.setOnErrorHandler(onErrorHandler) #This call may be harmlessly removed #PrintEventDescriptions() #print("\nSetting OnVoltageRatioChangeHandler...") ch2.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler) #print("\nSetting OnSensorChangeHandler...") ch2.setOnSensorChangeHandler(onSensorChangeHandler) """ * Open the channel with a timeout """ #print("\nOpening and Waiting for Attachment...") try: ch2.openWaitForAttachment(5000) except PhidgetException as e: PrintOpenErrorMessage(e, ch2) raise EndProgramSignal("Program Terminated: Open Failed") #print("Sampling data for 10 seconds...") #print("You can do stuff with your Phidgets here and/or in the event handlers.") time.sleep(sleeptime) """ * Perform clean up and exit """ #print("\nDone Sampling...") #print("Cleaning up...") ch2.close() #print("\nExiting...") global data weight2 = data datalist.clear() return weight2 except PhidgetException as e: sys.stderr.write("\nExiting with error(s)...") DisplayError(e) traceback.print_exc() print("Cleaning up...") ch2.close() return 1 except EndProgramSignal as e: print(e) print("Cleaning up...") ch2.close() return 1 except RuntimeError as e: sys.stderr.write("Runtime Error: \n\t" + e) traceback.print_exc() return 1
bCur.setDeviceSerialNumber(465371) bCur.openWaitForAttachment(1000) if C: # Motor C: Setup Motor Control and Motor Current mtrC = DCMotor() mtrC.setDeviceSerialNumber(474333) mtrC.openWaitForAttachment(1000) mtrC.setAcceleration(ACCEL) cCur = CurrentInput() cCur.setDeviceSerialNumber(474333) cCur.openWaitForAttachment(1000) pot = VoltageRatioInput() pot.setDeviceSerialNumber(474333) pot.openWaitForAttachment(1000) pot.setOnVoltageRatioChangeHandler(joystick_movement) pot.setVoltageRatioChangeTrigger(0.05) root = Tk() if A: aCur_reading = StringVar() if B: bCur_reading = StringVar() if C: cCur_reading = StringVar() title = Label(root, text="3 Axis Open Loop Controller", font="Courier, 14") if A:
# New channel object ch = VoltageRatioInput() # Make directory and open file for writting if not os.path.exists(LOG_FOLDER_NAME): os.makedirs(LOG_FOLDER_NAME) f = open(FILE_LOG_SESSION, "w+") # Overwrite # Write CSV file header f.write("Time, Time Since Begin, V/V Raw Data, Force \n") ch.file = f # Setup Phidget device parameters ch.setDeviceSerialNumber(-1) ch.setHubPort(-1) ch.setIsHubPortDevice(False) ch.setChannel(0) print("\n--------------------------------------") # Setup call back functions that is raised when voltage is changed ch.setOnAttachHandler(onAttachHandler) ch.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler) # Open Phidget connection ch.openWaitForAttachment(5000) # Wait for user to press Enter to stop print("Press Enter to stop recording") readin = sys.stdin.readline(1)
pan = DCMotor() pan.setDeviceSerialNumber(469502) pan.openWaitForAttachment(1000) pan.setAcceleration(ACCEL) #Setup Pnematics pressure_ctrl = VoltageOutput() pressure_ctrl.setDeviceSerialNumber(540047) pressure_ctrl.setIsHubPortDevice(False) pressure_ctrl.setHubPort(3) pressure_ctrl.setChannel(0) pressure_ctrl.openWaitForAttachment(5000) pressure_reading = VoltageRatioInput() pressure_reading.setDeviceSerialNumber(540047) pressure_reading.setIsHubPortDevice(False) pressure_reading.setHubPort(0) pressure_reading.setChannel(0) pressure_reading.openWaitForAttachment(5000) solenoid = DigitalOutput() solenoid.setDeviceSerialNumber(540047) solenoid.setIsHubPortDevice(False) solenoid.setHubPort(4) solenoid.setChannel(3) solenoid.openWaitForAttachment(5000) root = Tk() pressure = IntVar()
def main(): try: """ * Allocate a new Phidget Channel object """ try: ch0 = VoltageRatioInput() ch1 = VoltageRatioInput() ch2 = VoltageRatioInput() ch3 = VoltageRatioInput() ch4 = VoltageRatioInput() ch5 = VoltageRatioInput() ch6 = VoltageRatioInput() ch7 = VoltageRatioInput() ch8 = VoltageRatioInput() ch9 = VoltageRatioInput() digi = DigitalInput() except PhidgetException as e: sys.stderr.write( "Runtime Error -> Creating VoltageRatioInput: \n\t") DisplayError(e) raise except RuntimeError as e: sys.stderr.write( "Runtime Error -> Creating VoltageRatioInput: \n\t" + e) raise """ * Set matching parameters to specify which channel to open """ #You may remove this line and hard-code the addressing parameters to fit your application #channelInfo = AskForDeviceParameters(ch) ch0.setDeviceSerialNumber(474147) ch0.setHubPort(0) ch0.setIsHubPortDevice(0) ch0.setChannel(0) ch1.setDeviceSerialNumber(474147) ch1.setHubPort(0) ch1.setIsHubPortDevice(0) ch1.setChannel(1) ch2.setDeviceSerialNumber(474147) ch2.setHubPort(0) ch2.setIsHubPortDevice(0) ch2.setChannel(2) ch3.setDeviceSerialNumber(474147) ch3.setHubPort(0) ch3.setIsHubPortDevice(0) ch3.setChannel(3) ch4.setDeviceSerialNumber(474147) ch4.setHubPort(0) ch4.setIsHubPortDevice(0) ch4.setChannel(0) ch5.setDeviceSerialNumber(000000) ch5.setHubPort(0) ch5.setIsHubPortDevice(0) ch5.setChannel(1) ch6.setDeviceSerialNumber(000000) ch6.setHubPort(0) ch6.setIsHubPortDevice(0) ch6.setChannel(2) ch7.setDeviceSerialNumber(000000) ch7.setHubPort(0) ch7.setIsHubPortDevice(0) ch7.setChannel(3) ch8.setDeviceSerialNumber(000000) ch8.setHubPort(0) ch8.setIsHubPortDevice(0) ch8.setChannel(0) ch9.setDeviceSerialNumber(000000) ch9.setHubPort(0) ch9.setIsHubPortDevice(0) ch9.setChannel(1) digi.setDeviceSerialNumber(000000) digi.setHubPort(0) digisetIsHubPortDevice(0) digi.setChannel(0) """ * Add event handlers before calling open so that no events are missed. """ print("\n--------------------------------------") print("\nSetting OnAttachHandler...") ch0.setOnAttachHandler(onAttachHandler) ch1.setOnAttachHandler(onAttachHandler) ch2.setOnAttachHandler(onAttachHandler) ch3.setOnAttachHandler(onAttachHandler) ch4.setOnAttachHandler(onAttachHandler) ch5.setOnAttachHandler(onAttachHandler) ch6.setOnAttachHandler(onAttachHandler) ch7.setOnAttachHandler(onAttachHandler) ch8.setOnAttachHandler(onAttachHandler) ch9.setOnAttachHandler(onAttachHandler) print("Setting OnDetachHandler...") ch0.setOnDetachHandler(onDetachHandler) ch1.setOnDetachHandler(onDetachHandler) ch2.setOnDetachHandler(onDetachHandler) ch3.setOnDetachHandler(onDetachHandler) ch4.setOnDetachHandler(onDetachHandler) ch5.setOnDetachHandler(onDetachHandler) ch6.setOnDetachHandler(onDetachHandler) ch7.setOnDetachHandler(onDetachHandler) ch8.setOnDetachHandler(onDetachHandler) ch9.setOnDetachHandler(onDetachHandler) print("Setting OnErrorHandler...") ch0.setOnErrorHandler(onErrorHandler) ch1.setOnErrorHandler(onErrorHandler) ch2.setOnErrorHandler(onErrorHandler) ch3.setOnErrorHandler(onErrorHandler) ch4.setOnErrorHandler(onErrorHandler) ch5.setOnErrorHandler(onErrorHandler) ch6.setOnErrorHandler(onErrorHandler) ch7.setOnErrorHandler(onErrorHandler) ch8.setOnErrorHandler(onErrorHandler) ch9.setOnErrorHandler(onErrorHandler) """ * Open the channel with a timeout """ print("\nOpening and Waiting for Attachment...") try: ch0.openWaitForAttachment(5000) ch1.openWaitForAttachment(5000) ch2.openWaitForAttachment(5000) ch3.openWaitForAttachment(5000) ch4.openWaitForAttachment(5000) ch5.openWaitForAttachment(5000) ch6.openWaitForAttachment(5000) ch7.openWaitForAttachment(5000) ch8.openWaitForAttachment(5000) ch9.openWaitForAttachment(5000) digi.openWaitForAttachment(5000) except PhidgetException as e: PrintOpenErrorMessage(e, ch0) PrintOpenErrorMessage(e, ch1) PrintOpenErrorMessage(e, ch2) PrintOpenErrorMessage(e, ch3) PrintOpenErrorMessage(e, ch4) PrintOpenErrorMessage(e, ch5) PrintOpenErrorMessage(e, ch6) PrintOpenErrorMessage(e, ch7) PrintOpenErrorMessage(e, ch8) PrintOpenErrorMessage(e, ch9) raise EndProgramSignal("Program Terminated: Open Failed") print("Sampling data for 10 seconds...") print( "You can do stuff with your Phidgets here and/or in the event handlers." ) time.sleep(5) #Create csv file to write data to file_path = os.path.join('C:', 'Users', 'Jacob Bennedsen', 'Desktop', 'Python Files', 'Learning', 'Fatigue_Test.csv') csvfile = open(file_path, 'w') filewriter = csv.writer(csvfile, delimiter=',', lineterminator='\n', quotechar='|', quoting=csv.QUOTE_MINIMAL) #Write header row to csv filewriter.writerow([ 'Signal Iteration', 'Time (s)', 'ch0 (V/V)', 'ch1 (V/V)', 'ch2 (V/V)', 'ch3 (V/V)', 'ch4 (V/V)', 'ch5 (V/V)', 'ch6 (V/V)', 'ch7 (V/V)', 'ch8 (V/V)', 'ch9 (V/V)' ]) delay = 1 #seconds #Initialize lists to be used for data plotting logged_time = list() w0 = list() w1 = list() w2 = list() w3 = list() w4 = list() w5 = list() w6 - list() w7 = list() w8 = list() w9 = list() d = deque([0, 0]) #Deque to check for change in state d.maxlen(2) #Set max length of deque to 2 sig_count = 0 #Count of changes in state i = 0 #Iteration of loop start_time = time.monotonic() #Start time betweeen state change timer elapsed_time = 0 #Initialize the elapsed time while elapsed_time < 30: #Loop while the time between state changes is less than 30 sec elapsed_time = time.monotonic() - start_time #Update elapsed time d.append(digi.getState()) #Get the latest PLC signal value if d[0] != d[1]: #Check if the latest and previous values changed start_time = time.monotonic( ) #If yes then reset time between state changes sig_count += 1 #Increment signal count t = i * delay #Timestamp based upon loop iterations and data collection delay #Store latest voltage ratio from each channel in a variable v0 = ch0.getVoltageRatio() v1 = ch1.getVoltageRatio() v2 = ch2.getVoltageRatio() v3 = ch3.getVoltageRatio() v4 = ch4.getVoltageRatio() v5 = ch5.getVoltageRatio() v6 = ch6.getVoltageRatio() v7 = ch7.getVoltageRatio() v8 = ch8.getVoltageRatio() v9 = ch9.getVoltageRatio() logged_time.append(t) #Add latest time to list w0.append(v0) #Add latest voltage ratio to list w1.append(v1) w2.append(v2) w3.append(v3) w4.append(v4) w5.append(v5) w6.append(v6) w7.append(v7) w8.append(v8) w9.append(v9) #Write the collected data to a csv filewriter.writerow( [sig_count, t, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9]) i += 1 #Increment iterations time.sleep( delay) #Wait for the specified time before looping again csvfile.close() #Plot data plt.plot(logged_time, w0, label='ch0') plt.plot(logged_time, w1, label='ch1') plt.plot(logged_time, w2, label='ch2') plt.plot(logged_time, w3, label='ch3') plt.plot(logged_time, w4, label='ch4') plt.plot(logged_time, w5, label='ch5') plt.plot(logged_time, w6, label='ch6') plt.plot(logged_time, w7, label='ch7') plt.plot(logged_time, w8, label='ch8') plt.plot(logged_time, w9, label='ch9') plt.legend() plt.show() """ * Perform clean up and exit """ #clear the VoltageRatioChange event handler ch0.setOnVoltageRatioChangeHandler(None) ch1.setOnVoltageRatioChangeHandler(None) ch2.setOnVoltageRatioChangeHandler(None) ch3.setOnVoltageRatioChangeHandler(None) ch4.setOnVoltageRatioChangeHandler(None) ch5.setOnVoltageRatioChangeHandler(None) ch6.setOnVoltageRatioChangeHandler(None) ch7.setOnVoltageRatioChangeHandler(None) ch8.setOnVoltageRatioChangeHandler(None) ch9.setOnVoltageRatioChangeHandler(None) print("\nDone Sampling...") print("Cleaning up...") ch0.close() ch1.close() ch2.close() ch3.close() ch4.close() ch5.close() ch6.close() ch7.close() ch8.close() ch9.close() print("\nExiting...") return 0 except PhidgetException as e: sys.stderr.write("\nExiting with error(s)...") DisplayError(e) traceback.print_exc() print("Cleaning up...") ch0.setOnVoltageRatioChangeHandler(None) ch1.setOnVoltageRatioChangeHandler(None) ch2.setOnVoltageRatioChangeHandler(None) ch3.setOnVoltageRatioChangeHandler(None) ch0.close() ch1.close() ch2.close() ch3.close() ch4.close() ch5.close() ch6.close() ch7.close() ch8.close() ch9.close() return 1 except EndProgramSignal as e: print(e) print("Cleaning up...") ch0.setOnVoltageRatioChangeHandler(None) ch1.setOnVoltageRatioChangeHandler(None) ch2.setOnVoltageRatioChangeHandler(None) ch3.setOnVoltageRatioChangeHandler(None) ch0.close() ch1.close() ch2.close() ch3.close() ch4.close() ch5.close() ch6.close() ch7.close() ch8.close() ch9.close() return 1 finally: print("Press ENTER to end program.") readin = sys.stdin.readline()
def main(): global w1 global w2 global w3 global w4 global c1 global c2 global c3 global c4 mvalue = [] """ * Define how long the program runs for """ runtime = 10 # seconds """ * Allocate a new Phidget Channel object """ ch = VoltageRatioInput() ch2 = VoltageRatioInput() ch3 = VoltageRatioInput() ch4 = VoltageRatioInput() """ * Set matching parameters to specify which channel to open """ ch.setDeviceSerialNumber(533379) ch.setIsHubPortDevice(False) ch.setChannel(0) ch2.setDeviceSerialNumber(533379) ch2.setIsHubPortDevice(False) ch2.setChannel(1) ch3.setDeviceSerialNumber(533379) ch3.setIsHubPortDevice(False) ch3.setChannel(2) ch4.setDeviceSerialNumber(533379) ch4.setIsHubPortDevice(False) ch4.setChannel(3) """ * Add event handlers before calling open so that no events are missed. """ print("\n--------------------------------------") ch.setOnAttachHandler(onAttachHandler) ch2.setOnAttachHandler(onAttachHandler) ch3.setOnAttachHandler(onAttachHandler) ch4.setOnAttachHandler(onAttachHandler) ch.setOnDetachHandler(onDetachHandler) ch2.setOnDetachHandler(onDetachHandler) ch3.setOnDetachHandler(onDetachHandler) ch4.setOnDetachHandler(onDetachHandler) ch.setOnErrorHandler(onErrorHandler) ch2.setOnErrorHandler(onErrorHandler) ch3.setOnErrorHandler(onErrorHandler) ch4.setOnErrorHandler(onErrorHandler) ch.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler) ch2.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler2) ch3.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler3) ch4.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler4) """ * Open the channel with a timeout """ print "motor 1 - w1" ch.openWaitForAttachment(5000) time.sleep(runtime) ch.setOnVoltageRatioChangeHandler(None) mvalue.append(w1 / c1) w1 = 0 c1 = 0 x = raw_input("motor 1 - w2") ch.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler) ch.openWaitForAttachment(5000) time.sleep(runtime) ch.setOnVoltageRatioChangeHandler(None) mvalue.append(w1 / c1) w1 = 0 c1 = 0 x = raw_input("motor 2 - w1") ch2.openWaitForAttachment(5000) time.sleep(runtime) ch2.setOnVoltageRatioChangeHandler(None) mvalue.append(w2 / c2) w2 = 0 c2 = 0 x = raw_input("motor 2 - w2") ch2.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler2) ch2.openWaitForAttachment(5000) time.sleep(runtime) ch2.setOnVoltageRatioChangeHandler(None) mvalue.append(w2 / c2) w2 = 0 c2 = 0 x = raw_input("motor 3 - w1") ch3.openWaitForAttachment(5000) time.sleep(runtime) ch3.setOnVoltageRatioChangeHandler(None) mvalue.append(w3 / c3) w3 = 0 c3 = 0 x = raw_input("motor 3 - w2") ch3.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler3) ch3.openWaitForAttachment(5000) time.sleep(runtime) ch3.setOnVoltageRatioChangeHandler(None) mvalue.append(w3 / c3) w3 = 0 c3 = 0 x = raw_input("motor 4 - w1") ch4.openWaitForAttachment(5000) time.sleep(runtime) ch4.setOnVoltageRatioChangeHandler(None) mvalue.append(w4 / c4) w4 = 0 c4 = 0 x = raw_input("motor 4 - w2") ch4.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler4) ch4.openWaitForAttachment(5000) time.sleep(runtime) ch4.setOnVoltageRatioChangeHandler(None) mvalue.append(w4 / c4) w4 = 0 c4 = 0 # calibration cali.run_calibration(mvalue) print("calibration file saved...") ch.close() ch2.close() ch3.close() ch4.close() print("\nExiting...") return 0
def main(): try: try: ch0 = VoltageRatioInput() ch1 = VoltageRatioInput() ch2 = VoltageRatioInput() ch3 = VoltageRatioInput() except PhidgetException as e: sys.stderr.write( "Runtime Error -> Creating VoltageRatioInput: \n\t") DisplayError(e) raise except RuntimeError as e: sys.stderr.write( "Runtime Error -> Creating VoltageRatioInput: \n\t" + e) raise " Set matching parameters to specify which channel to open" ch0.setDeviceSerialNumber(494011) ch0.setChannel(0) ch1.setDeviceSerialNumber(494011) ch1.setChannel(1) ch2.setDeviceSerialNumber(494011) ch2.setChannel(2) ch3.setDeviceSerialNumber(494011) ch3.setChannel(3) " event handlers before calling open so that no events are missed. " print("\n--------------------------------------") print("\nSetting OnAttachHandler...") ch0.setOnAttachHandler(onAttachHandler) ch1.setOnAttachHandler(onAttachHandler) ch2.setOnAttachHandler(onAttachHandler) ch3.setOnAttachHandler(onAttachHandler) print("Setting OnDetachHandler...") ch0.setOnDetachHandler(onDetachHandler) ch1.setOnDetachHandler(onDetachHandler) ch2.setOnDetachHandler(onDetachHandler) ch3.setOnDetachHandler(onDetachHandler) print("Setting OnErrorHandler...") ch0.setOnErrorHandler(onErrorHandler) ch1.setOnErrorHandler(onErrorHandler) ch2.setOnErrorHandler(onErrorHandler) ch3.setOnErrorHandler(onErrorHandler) print("\nSetting onVoltageRatioChangeHandler...") #ch0.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler) #ch1.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler) #ch2.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler) #ch3.setOnVoltageRatioChangeHandler(onVoltageRatioChangeHandler) " Open the channel with a timeout " print("\nOpening and Waiting for Attachment...") try: ch0.openWaitForAttachment(5000) except PhidgetException as e: PrintOpenErrorMessage(e, ch0) raise EndProgramSignal("Program Terminated: Open Failed") try: ch1.openWaitForAttachment(5000) except PhidgetException as e: PrintOpenErrorMessage(e, ch1) raise EndProgramSignal("Program Terminated: Open Failed") try: ch2.openWaitForAttachment(5000) except PhidgetException as e: PrintOpenErrorMessage(e, ch2) raise EndProgramSignal("Program Terminated: Open Failed") try: ch3.openWaitForAttachment(5000) except PhidgetException as e: PrintOpenErrorMessage(e, ch3) raise EndProgramSignal("Program Terminated: Open Failed") for n in range(100): cal0 = -ch0.getVoltageRatio() cal1 = -ch1.getVoltageRatio() cal2 = -ch2.getVoltageRatio() cal3 = -ch3.getVoltageRatio() time.sleep(0.008) while True: conv(ch0, ch1, ch2, ch3, cal0, cal1, cal2, cal3) time.sleep(0.008) #Print(ch0.getVoltageRatio()) print(" Press enter to exit ") readin = sys.stdin.readline() " Perform clean up and exit " print("\nDone Sampling...") print("Cleaning up...") ch0.close() ch1.close() ch2.close() ch3.close() print("\nExiting...") return 0 except PhidgetException as e: sys.stderr.write("\nExiting with error(s)...") DisplayError(e) traceback.print_exc() print("Cleaning up...") ch0.close() ch1.close() ch2.close() ch3.close() return 1 except EndProgramSignal as e: print(e) print("Cleaning up...") ch0.close() ch1.close() ch2.close() ch3.close() return 1
def main(): try: """ * Allocate a new Phidget Channel object """ try: ch0 = VoltageRatioInput() ch1 = VoltageRatioInput() ch2 = VoltageRatioInput() ch3 = VoltageRatioInput() ch4 = VoltageRatioInput() ch5 = VoltageRatioInput() ch6 = VoltageRatioInput() ch7 = VoltageRatioInput() ch8 = VoltageRatioInput() ch9 = VoltageRatioInput() except PhidgetException as e: sys.stderr.write( "Runtime Error -> Creating VoltageRatioInput: \n\t") DisplayError(e) raise except RuntimeError as e: sys.stderr.write( "Runtime Error -> Creating VoltageRatioInput: \n\t" + e) raise """ * Set matching parameters to specify which channel to open """ #You may remove this line and hard-code the addressing parameters to fit your application #channelInfo = AskForDeviceParameters(ch) ch0.setDeviceSerialNumber(474147) ch0.setHubPort(0) ch0.setIsHubPortDevice(0) ch0.setChannel(0) ch1.setDeviceSerialNumber(474147) ch1.setHubPort(0) ch1.setIsHubPortDevice(0) ch1.setChannel(1) ch2.setDeviceSerialNumber(474147) ch2.setHubPort(0) ch2.setIsHubPortDevice(0) ch2.setChannel(2) ch3.setDeviceSerialNumber(474147) ch3.setHubPort(0) ch3.setIsHubPortDevice(0) ch3.setChannel(3) ch4.setDeviceSerialNumber(000000) ch4.setHubPort(0) ch4.setIsHubPortDevice(0) ch4.setChannel(0) ch5.setDeviceSerialNumber(000000) ch5.setHubPort(0) ch5.setIsHubPortDevice(0) ch5.setChannel(1) ch6.setDeviceSerialNumber(000000) ch6.setHubPort(0) ch6.setIsHubPortDevice(0) ch6.setChannel(2) ch7.setDeviceSerialNumber(000000) ch7.setHubPort(0) ch7.setIsHubPortDevice(0) ch7.setChannel(3) ch8.setDeviceSerialNumber(000000) ch8.setHubPort(0) ch8.setIsHubPortDevice(0) ch8.setChannel(0) ch9.setDeviceSerialNumber(000000) ch9.setHubPort(0) ch9.setIsHubPortDevice(0) ch9.setChannel(1) """ * Add event handlers before calling open so that no events are missed. """ print("\n--------------------------------------") print("\nSetting OnAttachHandler...") ch0.setOnAttachHandler(onAttachHandler) ch1.setOnAttachHandler(onAttachHandler) ch2.setOnAttachHandler(onAttachHandler) ch3.setOnAttachHandler(onAttachHandler) ch4.setOnAttachHandler(onAttachHandler) ch5.setOnAttachHandler(onAttachHandler) ch6.setOnAttachHandler(onAttachHandler) ch7.setOnAttachHandler(onAttachHandler) ch8.setOnAttachHandler(onAttachHandler) ch9.setOnAttachHandler(onAttachHandler) print("Setting OnDetachHandler...") ch0.setOnDetachHandler(onDetachHandler) ch1.setOnDetachHandler(onDetachHandler) ch2.setOnDetachHandler(onDetachHandler) ch3.setOnDetachHandler(onDetachHandler) ch4.setOnDetachHandler(onDetachHandler) ch5.setOnDetachHandler(onDetachHandler) ch6.setOnDetachHandler(onDetachHandler) ch7.setOnDetachHandler(onDetachHandler) ch8.setOnDetachHandler(onDetachHandler) ch9.setOnDetachHandler(onDetachHandler) print("Setting OnErrorHandler...") ch0.setOnErrorHandler(onErrorHandler) ch1.setOnErrorHandler(onErrorHandler) ch2.setOnErrorHandler(onErrorHandler) ch3.setOnErrorHandler(onErrorHandler) ch4.setOnErrorHandler(onErrorHandler) ch5.setOnErrorHandler(onErrorHandler) ch6.setOnErrorHandler(onErrorHandler) ch7.setOnErrorHandler(onErrorHandler) ch8.setOnErrorHandler(onErrorHandler) ch9.setOnErrorHandler(onErrorHandler) """ * Open the channel with a timeout """ print("\nOpening and Waiting for Attachment...") try: ch0.openWaitForAttachment(5000) ch1.openWaitForAttachment(5000) ch2.openWaitForAttachment(5000) ch3.openWaitForAttachment(5000) ch4.openWaitForAttachment(5000) ch5.openWaitForAttachment(5000) ch6.openWaitForAttachment(5000) ch7.openWaitForAttachment(5000) ch8.openWaitForAttachment(5000) ch9.openWaitForAttachment(5000) except PhidgetException as e: PrintOpenErrorMessage(e, ch0) PrintOpenErrorMessage(e, ch1) PrintOpenErrorMessage(e, ch2) PrintOpenErrorMessage(e, ch3) PrintOpenErrorMessage(e, ch4) PrintOpenErrorMessage(e, ch5) PrintOpenErrorMessage(e, ch6) PrintOpenErrorMessage(e, ch7) PrintOpenErrorMessage(e, ch8) PrintOpenErrorMessage(e, ch9) raise EndProgramSignal("Program Terminated: Open Failed") print("Sampling data...") print( "You can do stuff with your Phidgets here and/or in the event handlers." ) time.sleep(5) #Create csv file to write data to file_path = os.path.join('C:', 'Users', 'Jacob Bennedsen', 'Desktop', 'Python Files', 'Learning', 'Creep_Test.csv') csvfile = open(file_path, 'w') filewriter = csv.writer(csvfile, delimiter=',', lineterminator='\n', quotechar='|', quoting=csv.QUOTE_MINIMAL) #Write header row to csv filewriter.writerow([ 'Time (s)', 'ch0 (V/V)', 'ch1 (V/V)', 'ch2 (V/V)', 'ch3 (V/V)', 'ch4 (V/V)', 'ch5 (V/V)', 'ch6 (V/V)', 'ch7 (V/V)', 'ch8 (V/V)', 'ch9 (V/V)' ]) delay = 1 #seconds #Initialize lists to be used for data plotting logged_time = list() w0 = list() w1 = list() w2 = list() w3 = list() w4 = list() w5 = list() w6 - list() w7 = list() w8 = list() w9 = list() tms = list(1, 3600, delay) for i in tms: v0 = ch0.getVoltageRatio() v1 = ch1.getVoltageRatio() v2 = ch2.getVoltageRatio() v3 = ch3.getVoltageRatio() v4 = ch4.getVoltageRatio() v5 = ch5.getVoltageRatio() v6 = ch6.getVoltageRatio() v7 = ch7.getVoltageRatio() v8 = ch8.getVoltageRatio() v9 = ch9.getVoltageRatio() w0.append(v0) #Add latest voltage ratio to list w1.append(v1) w2.append(v2) w3.append(v3) w4.append(v4) w5.append(v5) w6.append(v6) w7.append(v7) w8.append(v8) w9.append(v9) #Write the collected data to a csv filewriter.writerow( [tms[i], v0, v1, v2, v3, v4, v5, v6, v7, v8, v9]) time.sleep( delay) #Wait for the specified time before looping again csvfile.close() #Plot data plt.plot(logged_time, w0, label='ch0') plt.plot(logged_time, w1, label='ch1') plt.plot(logged_time, w2, label='ch2') plt.plot(logged_time, w3, label='ch3') plt.plot(logged_time, w4, label='ch4') plt.plot(logged_time, w5, label='ch5') plt.plot(logged_time, w6, label='ch6') plt.plot(logged_time, w7, label='ch7') plt.plot(logged_time, w8, label='ch8') plt.plot(logged_time, w9, label='ch9') plt.legend() plt.show() """ * Perform clean up and exit """ #clear the VoltageRatioChange event handler ch0.setOnVoltageRatioChangeHandler(None) ch1.setOnVoltageRatioChangeHandler(None) ch2.setOnVoltageRatioChangeHandler(None) ch3.setOnVoltageRatioChangeHandler(None) ch4.setOnVoltageRatioChangeHandler(None) ch5.setOnVoltageRatioChangeHandler(None) ch6.setOnVoltageRatioChangeHandler(None) ch7.setOnVoltageRatioChangeHandler(None) ch8.setOnVoltageRatioChangeHandler(None) ch9.setOnVoltageRatioChangeHandler(None) print("\nDone Sampling...") print("Cleaning up...") ch0.close() ch1.close() ch2.close() ch3.close() ch4.close() ch5.close() ch6.close() ch7.close() ch8.close() ch9.close() print("\nExiting...") return 0 except PhidgetException as e: sys.stderr.write("\nExiting with error(s)...") DisplayError(e) traceback.print_exc() print("Cleaning up...") ch0.setOnVoltageRatioChangeHandler(None) ch1.setOnVoltageRatioChangeHandler(None) ch2.setOnVoltageRatioChangeHandler(None) ch3.setOnVoltageRatioChangeHandler(None) ch0.close() ch1.close() ch2.close() ch3.close() ch4.close() ch5.close() ch6.close() ch7.close() ch8.close() ch9.close() return 1 except EndProgramSignal as e: print(e) print("Cleaning up...") ch0.setOnVoltageRatioChangeHandler(None) ch1.setOnVoltageRatioChangeHandler(None) ch2.setOnVoltageRatioChangeHandler(None) ch3.setOnVoltageRatioChangeHandler(None) ch0.close() ch1.close() ch2.close() ch3.close() ch4.close() ch5.close() ch6.close() ch7.close() ch8.close() ch9.close() return 1 finally: print("Press ENTER to end program.") readin = sys.stdin.readline()