def checkOut():
""" function to prompt for location password to retrieve vehicle
and vacate location
"""
leave = "abcdef"
print("\nCheck-out selected.")
parkedCars = allParkingSpots.values()
currentCars = [car.MAC for car in parkedCars if car.MAC != "0"]
if currentCars:
print("please have customer enter in their confirmation number")
selectCar = LCDandKeypad.exit()
for key, value in allParkingSpots.items():
if selectCar == value.Confirmation:
LCDandKeypad.exitWrite("retrieving car")
currentCar = allParkingSpots[key]
car = BLE(defaultAddr="0", defaultName="0")
try:
car.Connect(MAC=currentCar.MAC)
except Exception as e:
print("something went wrong: ", e)
break
if car.addr != "0":
print("connected\n")
totalPrice = getPrice(currentCar.StartTime)
print("Customer total is ${:.2f}".format(totalPrice))
LCDandKeypad.exitWrite("Amount owed:",
"${:.2f}".format(totalPrice))
if not queryYesNo("Has the customer paid? "):
LCDandKeypad.exitWrite("NO $ NO CAR")
print("Customer must pay to retrieve vehicle")
break
try:
print("\nRetrieving vehicle from location {}.".format(key))
arduinoCom(leave[int(key)-1])
car.sendMessage('b')
arduinoCom('x')
car.sendMessage('g')
except Exception as e:
print("something went wrong:", e)
blankSpot = [key, "0", "0", "0", "0", "0"]
dictBlankSpot = dict(zip(parkingSpot.allowedAttributes, blankSpot))
allParkingSpots[key] = parkingSpot(dictBlankSpot)
print("Location {} is now vacant.".format(key))
car.Disconnect()
del car
saveCustomerInfo()
break
else:
print("couldn't connect to device")
break
else:
print("Parking pass is invalid")
LCDandKeypad.exitWrite("Parking pass", "is invalid")
else:
print("There are currently no cars parked")
def checkIn():
""" function for selecting parking location and receiving
location password
"""
print("\nCheck-in selected")
try:
car = BLE(defaultAddr="0", defaultName="0")
parkedCars = allParkingSpots.values()
currentCars = [car.MAC for car in parkedCars if car.MAC != "0"]
car.newConnect(currentCars)
except Exception as e:
print("something went wrong: ", e)
if car.addr != "0":
print("connected\n")
carAttr = ["0", car.name, car.addr, str(datetime.now()), "0"]
dictCar = dict(zip(parkingSpot.allowedAttributes, carAttr))
newCar = parkingSpot(dictCar)
while True:
print("vacant locations: ")
for key, value in allParkingSpots.items():
if value.MAC == '0':
print(key)
selectSpot = input("Please select a location: ")
currentSpot = allParkingSpots[selectSpot]
if selectSpot in allParkingSpots.keys() and currentSpot.MAC == "0":
print("You have selected location {}.".format(selectSpot))
arduinoCom(selectSpot)
car.sendMessage('g')
print("Generating parking pass...")
newCar.Spot = selectSpot
rand = newCar.Confirmation = str(randint(10000000, 99999999))
print("Your confirmation number is {}.".format(rand))
LCDandKeypad.entranceWrite("Confirmation #:", str(rand))
allParkingSpots[selectSpot] = newCar
saveCustomerInfo()
if queryYesNo("Would you like an email or text confirmation? "):
sendConfirmation(newCar.Confirmation)
break
print("\nInvalid. Parking location is occupied or non-existant.")
car.Disconnect()
del car
etc. """ import serial from joblib import load import BLE as blec # Configuration of the serial port serialPortName = 'COM4' serialBaudRate = 230400 serialDataBits = serial.EIGHTBITS serialParity = serial.PARITY_NONE serialByteOrder = 'littleEndian' serialStopBits = serial.STOPBITS_ONE serialTimeout = None ble = blec.BLE() # ADC parameter dacRef = 2.5 # Reference voltage of the DAC/ADC on the microcontroller dacRefOffset = dacRef / 2 # The measurement voltage is shifted up by this voltage to be able to measure negative voltage differences down to (-1) * dacRefOffset. dacNMax = 4095 # Maximum value of a digital conversion # Sensor array parameter sensor_num_x = 6 # Size of the sensor matrix in x direction sensor_num_y = 6 # Size of the sensor matrix in y direction xMin = 0 # Minimum x index of the sensors that shall be measured xMax = 5 # Maximum x index yMin = 0 # Minimum y index yMax = 5 # Maximum y index # Get sensor parameter
