Should this still work?

.travis.yml

@@ -0,0 +1,8 @@
+sudo: false
+language: python
+python:
+  - "2.7"
+  - "3.3"
+  - "3.4"
+  - "3.5"
+  - "3.6"

README.md

@@ -1,8 +1,4 @@
-# Smart Bartender
-Why spend lots of money going out for drinks when you can have your own smart personal bartender at your service right in your home?! This bartender is built from a Raspberry Pi 3 and some common DIY electronics.
-
-## Prerequisites for the Raspberry Pi
-Make sure you can connect a screen and keyboard to your Raspberry Pi. I like to use VNC to connect to the Pi. I created a [tutorial](https://www.youtube.com/watch?v=2iVK8dn-6x4) about how to set that up on a Mac.
+# Smart Bartender with Adafruit SSD1306
 
 Make sure the following are installed:
 * Python 2.7 (should already be installed on most Raspberry Pi)
@@ -23,7 +19,7 @@ See this [article](https://www.raspberrypi.org/documentation/hardware/raspberryp
 Make sure i2c is also configured properly. Type
 
 ```
-sudo vim /etc/modules
+sudo nano /etc/modules
 ```
 
 in the terminal
@@ -38,23 +34,24 @@ i2c-dev
 press `esc` then `ZZ` to save and exit.
 
 ## OLED Setup
-The Raspberry Pi Guy has a nice script to setup the OLED screen on your raspberry pi. Download the following repository on your Pi:
-
-https://github.com/the-raspberry-pi-guy/OLED
 
-then navigate to the folder with the terminal
+You need to install the Adafruit Python SSD1306 library with
 
 ```
-cd ~/path/to/directory
+sudo python -m pip install --upgrade pip setuptools wheel
+sudo pip install Adafruit-SSD1306
 ```
 
-and run the installation script
+Or alternatively:
 
 ```
-sh OLEDinstall.sh
+sudo python -m pip install --upgrade pip setuptools wheel
+git clone https://github.com/adafruit/Adafruit_Python_SSD1306.git
+cd Adafruit_Python_SSD1306
+sudo python setup.py install
 ```
 
-There is also a [guide](https://learn.adafruit.com/adafruit-oled-displays-for-raspberry-pi/setting-up) on the Adafruit website if you get stuck.
+There is also a [guide](https://learn.adafruit.com/ssd1306-oled-displays-with-raspberry-pi-and-beaglebone-black/usage) on the Adafruit website if you get stuck.
 
 ## Running the Code
 
@@ -135,7 +132,7 @@ from the repository folder. Copy this to your clipboard.
 Next, type
 
 ```
-sudo vim /etc/rc.local
+sudo nano /etc/rc.local
 ```
 
 to open the rc.local file. Next, press `i` to edit. Before the last line, add the following two lines:

bartender.py

@@ -1,12 +1,19 @@
-import gaugette.ssd1306
-import gaugette.platform
-import gaugette.gpio
+#!/usr/bin/env python
+# -*- coding: iso-8859-1 -*-
+
 import time
 import sys
 import RPi.GPIO as GPIO
 import json
-import threading
 import traceback
+import threading
+
+import Adafruit_GPIO.SPI as SPI
+import Adafruit_SSD1306
+
+from PIL import Image
+from PIL import ImageFont
+from PIL import ImageDraw
 
 from dotstar import Adafruit_DotStar
 from menu import MenuItem, Menu, Back, MenuContext, MenuDelegate
@@ -18,10 +25,10 @@
 SCREEN_HEIGHT = 64
 
 LEFT_BTN_PIN = 13
-LEFT_PIN_BOUNCE = 1000
+LEFT_PIN_BOUNCE = 200
 
 RIGHT_BTN_PIN = 5
-RIGHT_PIN_BOUNCE = 2000
+RIGHT_PIN_BOUNCE = 200
 
 OLED_RESET_PIN = 15
 OLED_DC_PIN = 16
@@ -31,7 +38,15 @@
 NEOPIXEL_CLOCK_PIN = 6
 NEOPIXEL_BRIGHTNESS = 64
 
-FLOW_RATE = 60.0/100.0
+FLOW_RATE = 60.0/1500.0
+
+# Raspberry Pi pin configuration:
+RST = 14
+# Note the following are only used with SPI:
+DC = 15
+SPI_PORT = 0
+SPI_DEVICE = 0
+
 
 class Bartender(MenuDelegate): 
 	def __init__(self):
@@ -51,18 +66,27 @@ def __init__(self):
 		# configure screen
 		spi_bus = 0
 		spi_device = 0
-		gpio = gaugette.gpio.GPIO()
-		spi = gaugette.spi.SPI(spi_bus, spi_device)
 
 		# Very important... This lets py-gaugette 'know' what pins to use in order to reset the display
-		self.led = gaugette.ssd1306.SSD1306(gpio, spi, reset_pin=OLED_RESET_PIN, dc_pin=OLED_DC_PIN, rows=self.screen_height, cols=self.screen_width) # Change rows & cols values depending on your display dimensions.
+		self.led = disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000)) # Change rows & cols values depending on your display dimensions.
+
+		# Initialize library.
 		self.led.begin()
-		self.led.clear_display()
+
+		# Clear display.
+		self.led.clear()
 		self.led.display()
-		self.led.invert_display()
-		time.sleep(0.5)
-		self.led.normal_display()
-		time.sleep(0.5)
+
+
+		# Create image buffer.
+		# Make sure to create image with mode '1' for 1-bit color.
+		self.image = Image.new('1', (self.screen_width, self.screen_height))
+
+		# Load default font.
+		self.font = ImageFont.load_default()
+
+		# Create drawing object.
+		self.draw = ImageDraw.Draw(self.image)
 
 		# load the pump configuration from file
 		self.pump_configuration = Bartender.readPumpConfiguration()
@@ -99,10 +123,6 @@ 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)  
 
-	def stopInterrupts(self):
-		GPIO.remove_event_detect(self.btn1Pin)
-		GPIO.remove_event_detect(self.btn2Pin)
-
 	def buildMenu(self, drink_list, drink_options):
 		# create a new main menu
 		m = Menu("Main Menu")
@@ -131,7 +151,7 @@ def buildMenu(self, drink_list, drink_options):
 		# 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"))
+		configuration_menu.addOption(Back("Zurück"))
 		# adds an option that cleans all pumps to the configuration menu
 		configuration_menu.addOption(MenuItem('clean', 'Clean'))
 		configuration_menu.setParent(m)
@@ -220,14 +240,13 @@ def clean(self):
 		# 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 displayMenuItem(self, menuItem):
 		print menuItem.name
-		self.led.clear_display()
-		self.led.draw_text2(0,20,menuItem.name,2)
+		self.led.clear()
+		self.draw.rectangle((0,0,self.screen_width,self.screen_height), outline=0, fill=0)
+		self.draw.text((0,20),str(menuItem.name), font=self.font, fill=255)
+		self.led.image(self.image)
 		self.led.display()
 
 	def cycleLights(self):
@@ -272,8 +291,10 @@ def pour(self, pin, waitTime):
 	def progressBar(self, waitTime):
 		interval = waitTime / 100.0
 		for x in range(1, 101):
-			self.led.clear_display()
+			self.led.clear()
+			self.draw.rectangle((0,0,self.screen_width,self.screen_height), outline=0, fill=0)
 			self.updateProgressBar(x, y=35)
+			self.led.image(self.image)
 			self.led.display()
 			time.sleep(interval)
 
@@ -327,32 +348,57 @@ def makeDrink(self, drink, ingredients):
 		self.running = False
 
 	def left_btn(self, ctx):
+		print("LEFT_BTN pressed")
 		if not self.running:
+			self.running = True
 			self.menuContext.advance()
+			print("Finished processing button press")
+		self.running = False
 
 	def right_btn(self, ctx):
+		print("RIGHT_BTN pressed")
 		if not self.running:
+			self.running = True
 			self.menuContext.select()
+			print("Finished processing button press")
+			self.running = 2
+			print("Starting button timeout")
 
 	def updateProgressBar(self, percent, x=15, y=15):
 		height = 10
 		width = self.screen_width-2*x
 		for w in range(0, width):
-			self.led.draw_pixel(w + x, y)
-			self.led.draw_pixel(w + x, y + height)
+			self.draw.point((w + x, y), fill=255)
+			self.draw.point((w + x, y + height), fill=255)
 		for h in range(0, height):
-			self.led.draw_pixel(x, h + y)
-			self.led.draw_pixel(self.screen_width-x, h + y)
+			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.led.draw_pixel(x + p_loc, h + y)
+				self.draw.point((x + p_loc, h + y), fill=255)
 
 	def run(self):
 		self.startInterrupts()
 		# main loop
-		try:  
-			while True:
-				time.sleep(0.1)
+		try:
+
+			try: 
+
+				while True:
+					letter = raw_input(">")
+					if letter == "l":
+						self.left_btn(False)
+					if letter == "r":
+						self.right_btn(False)
+
+			except EOFError:
+				while True:
+					time.sleep(0.1)
+					if self.running not in (True,False):
+						self.running -= 0.1
+						if self.running == 0:
+							self.running = False
+							print("Finished button timeout")
 
 		except KeyboardInterrupt:  
 			GPIO.cleanup()       # clean up GPIO on CTRL+C exit