class Bartender(MenuDelegate):
def __init__(self):
# initialize drink attributes
self.drink_attributes = {}
# initialize main menu
self.mainMenu = None
# allow button press
self.running = False
# initialize the LCD
self.lcdLayer = LCD.LCDLayer()
self.btn1Pin = LEFT_BTN_PIN
self.btn2Pin = RIGHT_BTN_PIN
self.btn3Pin = UP_BTN_PIN
self.btn4Pin = DOWN_BTN_PIN
# configure interrups for buttons
GPIO.setup(self.btn1Pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(self.btn2Pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(self.btn3Pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(self.btn4Pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
# load the pump configuration from file
self.pump_configuration = Bartender.readPumpConfiguration()
for pump in self.pump_configuration.keys():
GPIO.setup(
self.pump_configuration[pump]["pin"],
GPIO.OUT,
initial=GPIO.HIGH
)
print "Done initializing"
@staticmethod
def readPumpConfiguration():
return json.load(open('pump_config.json'))
@staticmethod
def writePumpConfiguration(configuration):
with open("pump_config.json", "w") as jsonFile:
json.dump(configuration, jsonFile)
def startInterrupts(self):
GPIO.add_event_detect(
self.btn1Pin,
GPIO.FALLING,
callback=self.left_btn,
bouncetime=LEFT_PIN_BOUNCE
)
GPIO.add_event_detect(
self.btn2Pin,
GPIO.FALLING,
callback=self.right_btn,
bouncetime=RIGHT_PIN_BOUNCE
)
GPIO.add_event_detect(
self.btn3Pin,
GPIO.FALLING,
callback=self.up_btn,
bouncetime=UP_PIN_BOUNCE
)
GPIO.add_event_detect(
self.btn4Pin,
GPIO.FALLING,
callback=self.down_btn,
bouncetime=DOWN_PIN_BOUNCE
)
def stopInterrupts(self):
GPIO.remove_event_detect(self.btn1Pin)
GPIO.remove_event_detect(self.btn2Pin)
GPIO.remove_event_detect(self.btn3Pin)
GPIO.remove_event_detect(self.btn4Pin)
def buildMenu(self, drink_list, drink_options):
# create a new main menu
m = Menu("Main Menu")
# create a drinks menu
drinks_menu = Menu("Drinks")
# add drink options
drink_opts = []
for o in drink_options:
drink_opts.append(
MenuItem(
'drink',
o["name"],
{
"ingredients": {o["value"]: 1},
"strong": o["alcohol"],
"ice": 0
}
)
)
for d in drink_list:
try:
drink_opts.append(
MenuItem(
'drink',
d["name"],
{
"ingredients": d["ingredients"],
"strong": d["strong"],
"add": d["add"],
"ice": d["ice"]
}
)
)
except KeyError:
drink_opts.append(
MenuItem(
'drink',
d["name"],
{
"ingredients": d["ingredients"],
"strong": d["strong"],
"ice": d["ice"]
}
)
)
configuration_menu = Menu("Configure")
# add pump configuration options
pump_opts = []
for p in sorted(self.pump_configuration.keys()):
config = Menu(self.pump_configuration[p]["name"])
# add fluid options for each pump
for opt in drink_options:
config.addOption(
MenuItem(
'pump_selection',
opt["name"],
{"key": p, "value": opt["value"], "name": opt["name"]}
)
)
config.setParent(configuration_menu)
pump_opts.append(config)
# add pump menus to the configuration menu
configuration_menu.addOptions(pump_opts)
# adds an option that cleans all pumps to the configuration menu
configuration_menu.addOption(MenuItem('clean', 'Clean'))
configuration_menu.setParent(m)
drinks_menu.addOptions(drink_opts)
drinks_menu.setParent(m)
self.filterDrinks(drinks_menu)
m.addOption(drinks_menu)
m.addOption(configuration_menu)
# create a menu context
self.menuContext = MenuContext(m, self, self.lcdLayer)
def setMainMenu(self, menu):
self.mainMenu = menu
def filterDrinks(self, menu):
"""
Removes any drinks that can't be handled by the pump configuration
"""
for i in menu.options:
if (i.type == "drink"):
i.visible = False
ingredients = i.attributes["ingredients"]
presentIng = 0
for ing in ingredients.keys():
for p in self.pump_configuration.keys():
if (ing == self.pump_configuration[p]["value"]):
presentIng += 1
if (presentIng == len(ingredients.keys())):
i.visible = True
elif (i.type == "menu"):
self.filterDrinks(i)
def menuItemClicked(self, menuItem):
if (menuItem.type == "drink"):
self.makeDrink(menuItem)
return True
elif(menuItem.type == "pump_selection"):
value = menuItem.attributes["value"]
self.pump_configuration[
menuItem.attributes["key"]]["value"] = value
Bartender.writePumpConfiguration(self.pump_configuration)
self.menuContext.retreat()
return True
elif(menuItem.type == "pour"):
self.pourDrink(menuItem.attributes)
return True
elif(menuItem.type == "clean"):
self.clean()
return True
elif(menuItem.type == "menu_link"):
if (menuItem.child is not None):
try:
self.drink_attributes.update(menuItem.attributes)
print(self.drink_attributes)
except TypeError:
print("menu item has no attributes")
self.menuContext.currentMenu = menuItem.child
self.menuContext.showMenu()
return True
return False
def clean(self):
waitTime = 20
pumpThreads = []
# cancel any button presses while the drink is being made
# self.stopInterrupts()
self.running = True
for pump in self.pump_configuration.keys():
pump_t = threading.Thread(
target=self.pour,
args=(self.pump_configuration[pump]["pin"], waitTime)
)
pumpThreads.append(pump_t)
# start the pump threads
for thread in pumpThreads:
thread.start()
# start the progress bar
self.progressBar(waitTime)
# wait for threads to finish
for thread in pumpThreads:
thread.join()
# show the main menu
self.menuContext.showMenu()
# sleep for a couple seconds to make sure the interrupts
# don't get triggered
time.sleep(2)
# reenable interrupts
# self.startInterrupts()
self.running = False
def pour(self, pin, waitTime):
GPIO.output(pin, GPIO.LOW)
print(
"Starting pour on pin " + str(pin) + " for " + str(waitTime)
+ " seconds")
time.sleep(waitTime)
GPIO.output(pin, GPIO.HIGH)
print("Stopping pour on pin " + str(pin))
def progressBar(self, waitTime):
self.lcdLayer.lcd_blank()
self.lcdLayer.lcd_string("Pouring", LCD.LCD_LINE_1, LCD.CENTERED)
self.lcdLayer.lcd_byte(
LCD.LCD_LINE_3
| LCD.LCD_SET_DDRAM, LCD.LCD_RS_CMD)
block = 0xff
for i in range(20):
self.lcdLayer.lcd_byte(block, LCD.LCD_RS_CHR)
time.sleep(waitTime / 20)
return True
def makeDrink(self, drink):
# Check for strength
if (drink.attributes["strong"] == 1):
strengthCheck = Menu("This drink is strong")
strengthCheck.addOption(MenuLink(
"Continue", strengthCheck, None, {"strength": "normal"}))
strengthCheck.setParent(self.menuContext.currentMenu)
self.menuContext.setMenu(strengthCheck)
else:
# Select strength
strengthSelect = Menu("Select strength")
strengthSelect.addOption(MenuLink(
"Weak", strengthSelect, None, {"strength": "weak"}))
strengthSelect.addOption(MenuLink(
"Normal", strengthSelect, None, {"strength": "normal"}))
strengthSelect.addOption(MenuLink(
"Strong", strengthSelect, None, {"strength": "strong"}))
strengthSelect.setParent(self.menuContext.currentMenu)
self.menuContext.setMenu(strengthSelect)
# Select size
# create a size menu and point it back to strengthCheck or
# strengthSelect
sizeSelect = Menu("Select size")
sizeSelect.setParent(self.menuContext.currentMenu)
for links in self.menuContext.currentMenu.options:
if links.type == "menu_link":
links.setChild(sizeSelect)
# add size options menus to strengthCheck and strengthSelect
sizeSelect.addOption(MenuLink(
"Shot", sizeSelect, None, {"size": "shot"}))
sizeSelect.addOption(MenuLink(
"4 oz", sizeSelect, None, {"size": "4 oz"}))
sizeSelect.addOption(MenuLink(
"6 oz", sizeSelect, None, {"size": "6 oz"}))
sizeSelect.addOption(MenuLink(
"8 oz", sizeSelect, None, {"size": "8 oz"}))
sizeSelect.addOption(MenuLink(
"10 oz", sizeSelect, None, {"size": "10 oz"}))
sizeSelect.addOption(MenuLink(
"12 oz", sizeSelect, None, {"size": "12 oz"}))
# pour menu
pour = Menu("Ready to pour?")
pour.addOption(MenuItem("pour", "Continue", drink.attributes))
# add ice
if (drink.attributes["ice"] == 1):
addIce = Menu("Add Ice")
addIce.setParent(sizeSelect)
pour.setParent(addIce)
addIce.addOption(MenuLink(
"Continue", addIce, pour))
for option in sizeSelect.options:
if option.type == "menu_link":
option.setChild(addIce)
else:
pour.setParent(sizeSelect)
for option in sizeSelect.options:
if option.type == "menu_link":
option.setChild(pour)
# finally show the menu structure
self.menuContext.showMenu()
def pourDrink(self, drinkAttributes):
self.running = True
ingredients = drinkAttributes["ingredients"].copy()
print("Ingredients: " + str(ingredients.keys()))
size = self.drink_attributes["size"].split()[0]
if size == "shot":
size = 1.25
else:
size = float(size)
print("Size = " + str(size) + " oz")
strength = self.drink_attributes["strength"]
print("Strength: " + str(strength))
alcModifier = 1.0
if (strength == "strong"):
alcModifier = 1.3
elif (strength == "weak"):
alcModifier = 0.7
# strength calculations
totalIngredients = 0.0
for ing in ingredients:
totalIngredients += ingredients[ing]
for opts in drink_options:
if (ing == opts["value"]
and opts["alcohol"] == 1):
ingredients.update(
{ing: ingredients[ing] * 1.00 * alcModifier})
print("Total parts: " + str(totalIngredients))
# size calculations
for ing in ingredients:
ingredients.update(
{ing: ingredients[ing] * size / totalIngredients})
print(str(ingredients[ing]) + " oz of " + str(ing))
maxTime = 0.00
pumpThreads = []
for ing in ingredients.keys():
print("Looking for pump for ingredient: " + str(ing))
found = False
for pump in self.pump_configuration.keys():
print("Checking pump " + str(pump))
print(
"This pump is for: "
+ str(self.pump_configuration[pump]["value"]))
if ing == self.pump_configuration[pump]["value"]:
waitTime = (ingredients[ing] * 1.00) / FLOW_RATE
# oz/(oz/sec)=sec
if (waitTime > maxTime):
maxTime = waitTime
pump_t = threading.Thread(
target=self.pour,
args=(self.pump_configuration[pump]["pin"], waitTime)
)
print(
"Found pump for " + str(ing)
+ ". Setting up pour for " + str(waitTime) + " sec")
pumpThreads.append(pump_t)
found = True
if (not found):
print("Could not find pump for ingredient: " + str(ing))
print("Total pour time: " + str(maxTime))
# start the pump threads
for thread in pumpThreads:
thread.start()
# start the progress bar
self.progressBar(maxTime)
# wait for threads to finish
for thread in pumpThreads:
thread.join()
# sleep for a couple seconds to make sure the interrupts
# don't get triggered
time.sleep(2)
# reenable interrupts
# self.startInterrupts()
self.running = False
# check for additions
try:
addMenu = Menu("Just add " + self.drink_attributes["add"])
addMenu.addOption(MenuLink("Done", None, self.mainMenu))
addMenu.setParent(self.mainMenu)
self.menuContext.setMenu(addMenu)
except KeyError:
self.menuContext.setMenu(self.mainMenu)
self.drink_attributes = {}
self.menuContext.showMenu()
def down_btn(self, ctx):
if not self.running:
self.menuContext.scroll_down()
def up_btn(self, ctx):
if not self.running:
self.menuContext.scroll_up()
def left_btn(self, ctx):
if not self.running:
self.menuContext.retreat()
def right_btn(self, ctx):
if not self.running:
self.menuContext.select()
def run(self):
self.menuContext.showMenu()
self.startInterrupts()
# main loop
try:
while True:
time.sleep(0.1)
except KeyboardInterrupt:
self.lcdLayer.lcd_cleanup() # clean up GPIO on CTRL+C exit
self.lcdLayer.lcd_cleanup() # clean up GPIO on normal exit
traceback.print_exc()
class Bartender(MenuDelegate):
def __init__(self):
self.running = False
# set the oled screen height
self.screen_width = SCREEN_WIDTH
self.screen_height = SCREEN_HEIGHT
self.make_drink = MAKE_DRINK
self.btn1Pin = LEFT_BTN_PIN
self.btn2Pin = RIGHT_BTN_PIN
self.clk = CLK_PIN
self.dt = DT_PIN
# configure interrupts for buttons
#GPIO.setup(self.btn1Pin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(self.btn2Pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
# configure interrupts for encoder
GPIO.setup(self.clk, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(self.dt, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
#Pi config
RST = 21
DC = 20
SPI_PORT = 0
SPI_DEVICE = 0
# configure screen
self.disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST)
self.disp.begin()
self.disp.clear()
self.disp.display()
#draw
self.image = Image.new('1', (SCREEN_WIDTH, SCREEN_HEIGHT))
self.draw = ImageDraw.Draw(self.image)
self.draw.rectangle((0, 0, SCREEN_WIDTH, SCREEN_HEIGHT),
outline=0,
fill=0)
self.font = ImageFont.load_default()
# Very important... This lets py-gaugette 'know' what pins to use in order to reset the display
# Change rows & cols values depending on your display dimensions.
# load the pump configuration from file
self.pump_configuration = Bartender.readJson(
'/home/pi/Documents/PiDrink/static/json/pump_config.json')
for pump in self.pump_configuration.keys():
GPIO.setup(self.pump_configuration[pump]["pin"],
GPIO.OUT,
initial=GPIO.HIGH)
# load the current drink list
self.drink_list = Bartender.readJson(
'/home/pi/Documents/PiDrink/static/json/drink_list.json')
self.drink_list = self.drink_list["drink_list"]
# load the current drink options
self.drink_options = Bartender.readJson(
'/home/pi/Documents/PiDrink/static/json/drink_options.json')
self.drink_options = self.drink_options["drink_options"]
# setup pixels:
self.numpixels = NUMBER_NEOPIXELS # Number of LEDs in strip
# Here's how to control the strip from any two GPIO pins:
datapin = NEOPIXEL_DATA_PIN
clockpin = NEOPIXEL_CLOCK_PIN
self.strip = Adafruit_DotStar(self.numpixels, datapin, clockpin)
self.strip.begin() # Initialize pins for output
self.strip.setBrightness(
NEOPIXEL_BRIGHTNESS) # Limit brightness to ~1/4 duty cycle
# turn everything off
for i in range(0, self.numpixels):
self.strip.setPixelColor(i, 0)
self.strip.show()
print('Done initializing')
# def check_email(self):
# status, email_ids = self.imap_server.search(None, '(UNSEEN)')
# if email_ids == ['']:
# mail_list = []
# else:
# mail_list = self.get_subjects(email_ids) #FYI when calling the get_subjects function, the email is marked as 'read'
# self.imap_server.close()
# return mail_list
# def get_subjects(self, email_ids):
# subjects_list = []
# for e_id in email_ids[0].split():
# resp, data = self.imap_server.fetch(e_id, '(RFC822)')
# perf = HeaderParser().parsestr(data[0][1])
# subjects_list.append(perf['Subject'])
# return subjects_list
def voice_command(self, mail_list):
for mail in mail_list:
found = False
while (found == False):
currmen = self.menuContext.currentMenu.getSelection()
if (currmen.name == mail):
self.makeDrink(currmen.name,
currmen.attributes["ingredients"])
self.make_drink = False
found = True
else:
self.menuContext.currentMenu.nextSelection()
found = False
@staticmethod
def readJson(file):
return json.load(open(file))
@staticmethod
def writePumpConfiguration(configuration):
with open("/home/pi/Documents/PiDrink/static/json/pump_config.json",
"w") as jsonFile:
json.dump(configuration, jsonFile)
def startInterrupts(self):
#GPIO.add_event_detect(self.btn1Pin, GPIO.FALLING, callback=self.left_btn, bouncetime=LEFT_PIN_BOUNCE)
GPIO.add_event_detect(self.btn2Pin,
GPIO.FALLING,
callback=self.right_btn,
bouncetime=RIGHT_PIN_BOUNCE)
GPIO.add_event_detect(self.clk,
GPIO.BOTH,
callback=self.rotary_on_change,
bouncetime=1000)
def stopInterrupts(self):
#GPIO.remove_event_detect(self.btn1Pin)
GPIO.remove_event_detect(self.btn2Pin)
GPIO.remove_event_detect(self.clk)
def buildMenu(self):
# create a new main menu
m = Menu("Main Menu")
# add drink options
drink_opts = []
for d in self.drink_list:
drink_opts.append(
MenuItem('drink', d["name"],
{"ingredients": d["ingredients"]}))
configuration_menu = Menu("Configure")
# add pump configuration options
pump_opts = []
for p in sorted(self.pump_configuration.keys()):
config = Menu(self.pump_configuration[p]["name"])
# add fluid options for each pump
for opt in self.drink_options:
# star the selected option
selected = "*" if opt["value"] == self.pump_configuration[p][
"value"] else ""
config.addOption(
MenuItem('pump_selection', opt["name"], {
"key": p,
"value": opt["value"],
"name": opt["name"]
}))
# add a back button so the user can return without modifying
config.addOption(Back("Back"))
config.setParent(configuration_menu)
pump_opts.append(config)
# add pump menus to the configuration menu
configuration_menu.addOptions(pump_opts)
# add a back button to the configuration menu
configuration_menu.addOption(Back("Back"))
# adds an option that cleans all pumps to the configuration menu
configuration_menu.addOption(MenuItem('clean', 'Clean'))
configuration_menu.setParent(m)
m.addOptions(drink_opts)
m.addOption(configuration_menu)
# create a menu context
self.menuContext = MenuContext(m, self)
def filterDrinks(self, menu):
"""
Removes any drinks that can't be handled by the pump configuration
"""
for i in menu.options:
if (i.type == "drink"):
i.visible = False
ingredients = i.attributes["ingredients"]
presentIng = 0
for ing in ingredients.keys():
for p in self.pump_configuration.keys():
if (ing == self.pump_configuration[p]["value"]):
presentIng += 1
if (presentIng == len(ingredients.keys())):
i.visible = True
elif (i.type == "menu"):
self.filterDrinks(i)
def selectConfigurations(self, menu):
"""
Adds a selection star to the pump configuration option
"""
for i in menu.options:
if (i.type == "pump_selection"):
key = i.attributes["key"]
if (self.pump_configuration[key]["value"] ==
i.attributes["value"]):
i.name = "%s %s" % (i.attributes["name"], "*")
else:
i.name = i.attributes["name"]
elif (i.type == "menu"):
self.selectConfigurations(i)
def prepareForRender(self, menu):
self.filterDrinks(menu)
self.selectConfigurations(menu)
return True
def menuItemClicked(self, menuItem):
if (menuItem.type == "drink"):
if self.make_drink:
self.makeDrink(menuItem.name,
menuItem.attributes["ingredients"])
self.make_drink = False
return True
elif (menuItem.type == "pump_selection"):
self.pump_configuration[menuItem.attributes["key"]][
"value"] = menuItem.attributes["value"]
Bartender.writePumpConfiguration(self.pump_configuration)
return True
elif (menuItem.type == "clean"):
if self.make_drink:
self.clean()
self.make_drink = False
return True
return False
def changeConfiguration(self, pumps):
# Change configuration of every pump
for i in range(1, 7):
self.pump_configuration["pump_" + str(i)]["value"] = pumps[i - 1]
Bartender.writePumpConfiguration(self.pump_configuration)
def clean(self):
waitTime = 30
pumpProcesses = []
# cancel any button presses while the drink is being made
# self.stopInterrupts()
self.running = True
for pump in self.pump_configuration.keys():
pump_p = threading.Thread(target=self.pour,
args=(
self.pump_configuration[pump]["pin"],
waitTime,
))
pumpProcesses.append(pump_p)
disp_process = threading.Thread(target=self.progressBar,
args=(waitTime, ))
pumpProcesses.append(disp_process)
# start the pump threads
for process in pumpProcesses:
process.start()
# wait for threads to finish
for process in pumpProcesses:
process.join()
# sleep for a couple seconds to make sure the interrupts don't get triggered
time.sleep(2)
# reenable interrupts
# self.startInterrupts()
self.running = False
self.make_drink = True
self.menuContext.showMenu()
def displayMenuItem(self, menuItem):
#Clear display
self.draw.rectangle((0, 0, SCREEN_WIDTH, SCREEN_HEIGHT),
outline=0,
fill=0)
self.draw.text((20, 10), menuItem.name, font=self.font, fill=255)
self.disp.image(self.image)
self.disp.display()
def cycleLights(self):
t = threading.currentThread()
head = 0 # Index of first 'on' pixel
tail = -10 # Index of last 'off' pixel
color = 0xFF0000 # 'On' color (starts red)
while getattr(t, "do_run", True):
self.strip.setPixelColor(head, color) # Turn on 'head' pixel
self.strip.setPixelColor(tail, 0) # Turn off 'tail'
self.strip.show() # Refresh strip
time.sleep(1.0 / 50) # Pause 20 milliseconds (~50 fps)
head += 1 # Advance head position
if (head >= self.numpixels): # Off end of strip?
head = 0 # Reset to start
color >>= 8 # Red->green->blue->black
if (color == 0): color = 0xFF0000 # If black, reset to red
tail += 1 # Advance tail position
if (tail >= self.numpixels): tail = 0 # Off end? Reset
def lightsEndingSequence(self):
# make lights green
for i in range(0, self.numpixels):
self.strip.setPixelColor(i, 0xFF0000)
self.strip.show()
time.sleep(5)
# turn lights off
for i in range(0, self.numpixels):
self.strip.setPixelColor(i, 0)
self.strip.show()
def pour(self, pin, waitTime):
GPIO.output(pin, GPIO.LOW)
time.sleep(waitTime)
GPIO.output(pin, GPIO.HIGH)
def progressBar(self, waitTime):
interval = waitTime / 116.3
for x in range(1, 101):
# Clear display
self.draw.rectangle((0, 0, SCREEN_WIDTH, SCREEN_HEIGHT),
outline=0,
fill=0)
#self.draw.text((55,20), str(x) + '%', font = self.font, fill=255)
self.updateProgressBar(x, y=10)
self.disp.image(self.image)
self.disp.display()
time.sleep(interval)
# # self.disp.clear()
# # self.disp.display()
# self.image = Image.open('happycat_oled_32.ppm').convert('1')
# self.disp.image(self.image)
# self.disp.display()
def makeDrink(self, drink, ingredients):
if self.running:
return
# cancel any button presses while the drink is being made
# self.stopInterrupts()
print('Making a ' + drink)
self.running = True
# launch a thread to control lighting
lightsThread = threading.Thread(target=self.cycleLights)
lightsThread.start()
# Make a list for each potential time
maxTime = 0
pumpProcesses = []
for ing in ingredients.keys():
for pump in self.pump_configuration.keys():
if ing == self.pump_configuration[pump]["value"]:
waitTime = ingredients[ing] * FLOW_RATE
if (waitTime > maxTime):
maxTime = waitTime
pump_p = threading.Thread(
target=self.pour,
args=(self.pump_configuration[pump]["pin"], waitTime))
pumpProcesses.append(pump_p)
disp_process = threading.Thread(target=self.progressBar,
args=(maxTime, ))
pumpProcesses.append(disp_process)
# start the pump threads
for process in pumpProcesses:
process.start()
# wait for threads to finish
for process in pumpProcesses:
process.join()
# stop the light thread
lightsThread.do_run = False
lightsThread.join()
# show the ending sequence lights
self.lightsEndingSequence()
# reenable interrupts
# sleep for a couple seconds to make sure the interrupts don't get triggered
time.sleep(2)
# self.startInterrupts()
self.running = False
print('Finished making ' + drink)
self.make_drink = True
# show the main menu
self.menuContext.showMenu()
def left_btn(self, ctx):
if not self.running:
self.menuContext.advance()
def right_btn(self, ctx):
if not self.running:
self.menuContext.select()
def rotary_on_change(self, ctx):
if not self.running:
if GPIO.input(self.dt):
self.menuContext.retreat()
else:
self.menuContext.advance()
def get_ingredients_time(self, drink):
# Get the ingredients for the specified drink
found = False
while (found == False):
currmen = self.menuContext.currentMenu.getSelection()
if (currmen.name == drink):
ingredients = currmen.attributes["ingredients"]
self.make_drink = False
found = True
else:
self.menuContext.currentMenu.nextSelection()
# Get the drink making time
maxTime = 0
for ing in ingredients.keys():
for pump in self.pump_configuration.keys():
if ing == self.pump_configuration[pump]["value"]:
waitTime = ingredients[ing] * FLOW_RATE
if (waitTime > maxTime):
maxTime = waitTime
# Return making time and ingredients for drink
return ingredients, maxTime
def updateProgressBar(self, percent, x=15, y=10):
height = 10
width = self.screen_width - 2 * x
for w in range(0, width):
self.draw.point((w + x, y), fill=255)
self.draw.point((w + x, y + height), fill=255)
for h in range(0, height):
self.draw.point((x, h + y), fill=255)
self.draw.point((self.screen_width - x, h + y), fill=255)
for p in range(0, percent):
p_loc = int(p / 100.0 * width)
self.draw.point((x + p_loc, h + y), fill=255)
self.draw.text((55, 20),
str(percent) + '%',
font=self.font,
fill=255)
#self.disp.image(self.image)
#self.disp.display()
def endprogram(self):
global stopprogram
stopprogram = True
# Goodbye message
self.draw.rectangle((0, 0, SCREEN_WIDTH, SCREEN_HEIGHT),
outline=0,
fill=0)
self.draw.text((25, 10), "Goodbye...", font=self.font, fill=255)
self.disp.image(self.image)
self.disp.display()
time.sleep(3)
self.draw.rectangle((0, 0, SCREEN_WIDTH, SCREEN_HEIGHT),
outline=0,
fill=0)
self.draw.text((15, 10), "Have a great day!", font=self.font, fill=255)
self.disp.image(self.image)
self.disp.display()
time.sleep(3)
self.disp.clear()
self.disp.display()
def run(self):
self.startInterrupts()
# main loop
try:
while True:
if stopprogram:
return
# self.imap_server = imaplib.IMAP4_SSL("imap.gmail.com",993)
# self.imap_server.login(USERNAME, PASSWORD)
# self.imap_server.select('INBOX')
# mail_list = self.check_email()
# if mail_list and not self.running:
# self.voice_command(mail_list)
time.sleep(0.1)
except KeyboardInterrupt:
GPIO.cleanup() # clean up GPIO on CTRL+C exit
sys.exit(0)
GPIO.cleanup() # clean up GPIO on normal exit
traceback.print_exc()
