blue.py File Reference

Main script to run for BlackBetty. More...

Namespaces
namespace	blue

Functions
def	blue.setupBuzzer (pin)
	Setup buzzer.
def	blue.beep (duration)
	Make a beep sound.
def	blue.lockUnlockMachine (code, lock_status, unlock_code="77e1")
	Lock or unlock the machine.
def	blue.scanCard ()
	Scan for RFID tag.
def	blue.getAlerts (status)
	Get alerts from the decoded machine status and convert it to the corresponding alerts (if any) If the corresponding bit is not set, the alert is not active.
def	blue.end_read (signal, frame)
	End the program Runs when Ctrl+C is pressed.
def	blue.read_statistics ()
	Read the statistics from the machine.

Variables
json	blue.CHARACTERISTICS = json.load(open("/home/pi/Jura-Python-BT/data/uuids_handles.json"))["characteristics"]
	Global Constants The dictionary of UUIDs and handles of the bluetooth characteristics.
json	blue.ALERTS = json.load(open("/home/pi/Jura-Python-BT/data/alerts.json"))["alerts"]
	The dictionary of alerts from machine status.
json	blue.PRODUCTS = json.load(open("/home/pi/Jura-Python-BT/data/products.json"))["products"]
	The dictionary of products the machine can make.
json	blue.PRICECOFFEE = json.load(open("/home/pi/Jura-Python-BT/data/prices.json"))["pricecoffee"]
	The dictionary of prices of the products.
int	blue.BUZZER_PIN = 7
	The pin for the buzzer.
os	blue.DEVICE = os.getenv("DEVICE")
	Load the environment variables from .env file.
os	blue.MASTERCARD1 = os.getenv("MASTER_CARD_1")
	The UID of master card 1 read from .env file.
os	blue.MASTERCARD2 = os.getenv("MASTER_CARD_2")
	The UID of master card 2 read from .env file.
db_connect	blue.DB = db_connect()
	The open database connection.
BtEncoder	blue.BtEncoder = BtEncoder()
	The instance of the BtEncoder class.
JuraEncoder	blue.JuraEncoder = JuraEncoder()
	The instance of the JuraEncoder class.
MFRC522	blue.RFIDREADER = MFRC522.MFRC522()
	The instance of the RFID reader class
	blue.filename
	blue.level
	blue.format
	blue.datefmt
lcddriver	blue.lcd = lcddriver.lcd()
	Initialize LCD.
	blue.child = pexpect.spawn("gatttool -b " + DEVICE + " -I -t random")
	Get all necessary variables from setup.py -> check file for more information.
	blue.keep_alive_code
	blue.locking_code
	blue.unlock_code
	blue.KEY_DEC
	blue.all_statistics
	blue.initial_time
	blue.CURRENT_STATISTICS = decoded
db_connect	blue.c = DB.cursor()
int	blue.emergency_unlock = 0
	blue.else :
str	blue.lock_status = "unlocked"
	blue.try :
serial	blue.port = serial.Serial("/dev/serial0", baudrate = 9600, timeout = 1.0)
	blue.except :
bool	blue.buttonPress = False
	The variables used in the main loop.
bool	blue.continue_reading = True
str	blue.lastSeen = ""
int	blue.counter = 0
int	blue.disp_init = 1
int	blue.payment_to_date = 1
str	blue.client_to_pay = ""
int	blue.admin_locked = 0
int	blue.admin_prod = 0
int	blue.total_prod = 0
int	blue.payed_prod = 0
int	blue.current_time = int(time.time() - initial_time)
int	blue.hour = int(time.strftime("%H"))
int	blue.minute = int(time.strftime("%M"))
int	blue.second = int(time.strftime("%S"))
child	blue.data = child.readline()
BtEncoder	blue.decoded = BtEncoder.encDecBytes(data, KEY_DEC)
	blue.timeout
def	blue.uid_str = scanCard()
def	blue.prod = read_statistics()
bool	blue.product_made = False
get_value	blue.value = get_value(DB, uid_str)
str	blue.value_str = str("Balance: " + str('%.2f' % value) + " EUR")
get_name	blue.lastName = get_name(DB, uid_str)
get_vorname	blue.preName = get_vorname(DB, uid_str)
str	blue.welStr = str("Hello " + preName)
str	blue.msgStr3 = str("Hold for 2s please ")
str	blue.msgStr4 = str("Chip below ")
time	blue.intial_time_2 = time.time()
int	blue.chosen = 0
int	blue.started = 0
int	blue.over = 0
int	blue.time_total = int(time.time() - intial_time_2)
list	blue.data2 = [int(x, 16) for x in data.split()]
list	blue.as_hex = ["%02x" % d for d in decoded]
json	blue.price_product = PRICECOFFEE[product_made]
int	blue.value_new = 0
str	blue.msgStr1 = str(product_made + " was made!")
str	blue.msgStr2 = str(" Happy betty :) ")

Detailed Description

Main script to run for BlackBetty.

Author(s)

• Created by Francisco Fonseca on 25/04/2023.