From 855e31eccc55405a35c08ee52acc062754120519 Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Thu, 27 Dec 2018 20:35:12 -0500
Subject: [PATCH 1/9] oops forgot a dependency!

---
 requirements.txt | 1 +
 setup.py         | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index 3031961..fb56461 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 Adafruit-Blinka
 adafruit-circuitpython-busdevice
+adafruit-circuitpython-framebuf
diff --git a/setup.py b/setup.py
index 5a5b7f6..33f4290 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
     author='Adafruit Industries',
     author_email='circuitpython@adafruit.com',
 
-    install_requires=['Adafruit-Blinka', 'adafruit-circuitpython-busdevice'],
+    install_requires=['Adafruit-Blinka', 'adafruit-circuitpython-busdevice', 'adafruit-circuitpython-framebuf'],
 
     # Choose your license
     license='MIT',

From 4582f8338f21fda4eecdc7067da41ec481b6bb90 Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Thu, 27 Dec 2018 20:36:56 -0500
Subject: [PATCH 2/9] use the default address

---
 examples/ssd1306_framebuftest.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/ssd1306_framebuftest.py b/examples/ssd1306_framebuftest.py
index a78f8c5..8f95921 100644
--- a/examples/ssd1306_framebuftest.py
+++ b/examples/ssd1306_framebuftest.py
@@ -23,7 +23,7 @@
 # to the right size for your display!
 # The I2C address for these displays is 0x3d or 0x3c, change to match
 # A reset line may be required if there is no auto-reset circuitry
-display = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c, addr=0x3d, reset=reset_pin)
+display = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c, addr=0x3c, reset=reset_pin)
 
 print("Framebuf capability test - these are slow and minimal but don't require"
       "a special graphics management library, only `adafruit_framebuf`")

From 714a53509f0aaf757476bc6f8be6c9854d6e9f67 Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Thu, 27 Dec 2018 20:45:14 -0500
Subject: [PATCH 3/9] better error catching if no font, display hello world
 properly

---
 examples/ssd1306_framebuftest.py | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/examples/ssd1306_framebuftest.py b/examples/ssd1306_framebuftest.py
index 8f95921..623a9cb 100644
--- a/examples/ssd1306_framebuftest.py
+++ b/examples/ssd1306_framebuftest.py
@@ -67,12 +67,20 @@
 
 print("Text test")
 display.fill(0)
-display.text('hello world', 0, 0, 1)
-char_width = 6
-char_height = 8
-chars_per_line = display.width//6
-for i in range(255):
-    x = char_width * (i % chars_per_line)
-    y = char_height * (i // chars_per_line)
-    display.text(chr(i), x, y, 1)
-display.show()
+try:
+    display.text('hello world', 0, 0, 1)
+    display.show()
+    time.sleep(1)
+    display.fill(0)
+    char_width = 6
+    char_height = 8
+    chars_per_line = display.width//6
+    for i in range(255):
+        x = char_width * (i % chars_per_line)
+        y = char_height * (i // chars_per_line)
+        display.text(chr(i), x, y, 1)
+    display.show()
+except FileNotFoundError:
+    print("To test the framebuf font setup, you'll need the font5x8.bin file from " +
+          "https://github.com/adafruit/Adafruit_CircuitPython_framebuf/tree/master/examples" +
+          " in the same directory as this script")

From 95fe1cebfc6d76f93794cc48c71dd0d2046e4b6e Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Thu, 27 Dec 2018 21:18:10 -0500
Subject: [PATCH 4/9] restructure to subclass framebuf properly - less messy
 than what we were doing

---
 adafruit_ssd1306.py | 23 +++++------------------
 1 file changed, 5 insertions(+), 18 deletions(-)

diff --git a/adafruit_ssd1306.py b/adafruit_ssd1306.py
index ed55026..949fef1 100644
--- a/adafruit_ssd1306.py
+++ b/adafruit_ssd1306.py
@@ -62,22 +62,11 @@
 #pylint: enable-msg=bad-whitespace
 
 
-class _SSD1306:
+class _SSD1306(framebuf.FrameBuffer):
     """Base class for SSD1306 display driver"""
     #pylint: disable-msg=too-many-arguments
-    #pylint: disable-msg=too-many-instance-attributes
-    def __init__(self, framebuffer, width, height, *, external_vcc, reset):
-        self.framebuf = framebuffer
-        self.fill = self.framebuf.fill
-        self.pixel = self.framebuf.pixel
-        self.line = self.framebuf.line
-        self.text = self.framebuf.text
-        self.scroll = self.framebuf.scroll
-        self.blit = self.framebuf.blit
-        self.vline = self.framebuf.vline
-        self.hline = self.framebuf.hline
-        self.fill_rect = self.framebuf.fill_rect
-        self.rect = self.framebuf.rect
+    def __init__(self, buffer, width, height, *, external_vcc, reset):
+        super().__init__(buffer, width, height)
         self.width = width
         self.height = height
         self.external_vcc = external_vcc
@@ -191,8 +180,7 @@ def __init__(self, width, height, i2c, *, addr=0x3c, external_vcc=False, reset=N
         # buffer).
         self.buffer = bytearray(((height // 8) * width) + 1)
         self.buffer[0] = 0x40  # Set first byte of data buffer to Co=0, D/C=1
-        framebuffer = framebuf.FrameBuffer1(memoryview(self.buffer)[1:], width, height)
-        super().__init__(framebuffer, width, height,
+        super().__init__(memoryview(self.buffer)[1:], width, height,
                          external_vcc=external_vcc, reset=reset)
 
     def write_cmd(self, cmd):
@@ -230,8 +218,7 @@ def __init__(self, width, height, spi, dc, reset, cs, *,
                                                polarity=polarity, phase=phase)
         self.dc_pin = dc
         self.buffer = bytearray((height // 8) * width)
-        framebuffer = framebuf.FrameBuffer1(self.buffer, width, height)
-        super().__init__(framebuffer, width, height,
+        super().__init__(memoryview(self.buffer), width, height,
                          external_vcc=external_vcc, reset=reset)
 
     def write_cmd(self, cmd):

From b2a4c9e5d7242f7dd6f0c997d47e2a104977f5a5 Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Thu, 27 Dec 2018 22:07:03 -0500
Subject: [PATCH 5/9] all the linux/raspi examples

---
 examples/bonnet_buttons.py    | 114 ++++++++++++++++++++++++++++++++++
 examples/happycat_oled_32.ppm |   0
 examples/happycat_oled_64.ppm | Bin 0 -> 24629 bytes
 examples/pillow_animate.py    | 109 ++++++++++++++++++++++++++++++++
 examples/pillow_images.py     |  60 ++++++++++++++++++
 examples/pillow_shapes.py     |  92 +++++++++++++++++++++++++++
 examples/stats.py             | 102 ++++++++++++++++++++++++++++++
 7 files changed, 477 insertions(+)
 create mode 100644 examples/bonnet_buttons.py
 create mode 100644 examples/happycat_oled_32.ppm
 create mode 100644 examples/happycat_oled_64.ppm
 create mode 100644 examples/pillow_animate.py
 create mode 100644 examples/pillow_images.py
 create mode 100644 examples/pillow_shapes.py
 create mode 100644 examples/stats.py

diff --git a/examples/bonnet_buttons.py b/examples/bonnet_buttons.py
new file mode 100644
index 0000000..ff6d0c9
--- /dev/null
+++ b/examples/bonnet_buttons.py
@@ -0,0 +1,114 @@
+# Copyright (c) 2017 Adafruit Industries
+# Author: James DeVito
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+
+import time
+import board
+import busio
+from digitalio import DigitalInOut, Direction, Pull
+import adafruit_ssd1306
+from PIL import Image, ImageDraw, ImageFont
+
+# Create the I2C interface.
+i2c = busio.I2C(board.SCL, board.SDA)
+# Create the SSD1306 OLED class.
+disp = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c)
+
+
+
+# Input pins:
+button_A = DigitalInOut(board.D5)
+button_A.pull = Pull.UP
+button_B = DigitalInOut(board.D6)
+button_B.pull = Pull.UP
+button_L = DigitalInOut(board.D27)
+button_L.pull = Pull.UP
+button_R = DigitalInOut(board.D23)
+button_R.pull = Pull.UP
+button_U = DigitalInOut(board.D17)
+button_U.pull = Pull.UP
+button_D = DigitalInOut(board.D22)
+button_D.pull = Pull.UP
+button_C = DigitalInOut(board.D4)
+button_C.pull = Pull.UP
+
+
+# Clear display.
+disp.fill(0)
+disp.show()
+
+# Create blank image for drawing.
+# Make sure to create image with mode '1' for 1-bit color.
+width = disp.width
+height = disp.height
+image = Image.new('1', (width, height))
+
+# Get drawing object to draw on image.
+draw = ImageDraw.Draw(image)
+
+# Draw a black filled box to clear the image.
+draw.rectangle((0,0,width,height), outline=0, fill=0)
+
+
+while True:
+    if button_U.value: # button is released
+        draw.polygon([(20, 20), (30, 2), (40, 20)], outline=255, fill=0)  #Up
+    else: # button is pressed:
+        draw.polygon([(20, 20), (30, 2), (40, 20)], outline=255, fill=1)  #Up filled
+
+    if button_L.value: # button is released
+        draw.polygon([(0, 30), (18, 21), (18, 41)], outline=255, fill=0)  #left
+    else: # button is pressed:
+        draw.polygon([(0, 30), (18, 21), (18, 41)], outline=255, fill=1)  #left filled
+
+    if button_R.value: # button is released
+        draw.polygon([(60, 30), (42, 21), (42, 41)], outline=255, fill=0) #right
+    else: # button is pressed:
+        draw.polygon([(60, 30), (42, 21), (42, 41)], outline=255, fill=1) #right filled
+
+    if button_D.value: # button is released
+        draw.polygon([(30, 60), (40, 42), (20, 42)], outline=255, fill=0) #down
+    else: # button is pressed:
+        draw.polygon([(30, 60), (40, 42), (20, 42)], outline=255, fill=1) #down filled
+
+    if button_C.value: # button is released
+        draw.rectangle((20, 22,40,40), outline=255, fill=0) #center 
+    else: # button is pressed:
+        draw.rectangle((20, 22,40,40), outline=255, fill=1) #center filled
+
+    if button_A.value: # button is released
+        draw.ellipse((70,40,90,60), outline=255, fill=0) #A button
+    else: # button is pressed:
+        draw.ellipse((70,40,90,60), outline=255, fill=1) #A button filled
+
+    if button_B.value: # button is released
+        draw.ellipse((100,20,120,40), outline=255, fill=0) #B button
+    else: # button is pressed:
+        draw.ellipse((100,20,120,40), outline=255, fill=1) #B button filled
+
+    if not button_A.value and not button_B.value and not button_C.value:
+        catImage = Image.open('happycat_oled_64.ppm').convert('1')
+        disp.image(catImage)
+    else:
+        # Display image.
+        disp.image(image)
+
+    disp.show()
diff --git a/examples/happycat_oled_32.ppm b/examples/happycat_oled_32.ppm
new file mode 100644
index 0000000..e69de29
diff --git a/examples/happycat_oled_64.ppm b/examples/happycat_oled_64.ppm
new file mode 100644
index 0000000000000000000000000000000000000000..922daacaaea199bf329176816d68bba597b0e24a
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diff --git a/examples/pillow_animate.py b/examples/pillow_animate.py
new file mode 100644
index 0000000..aec8ae1
--- /dev/null
+++ b/examples/pillow_animate.py
@@ -0,0 +1,109 @@
+# Copyright (c) 2014 Adafruit Industries
+# Author: Tony DiCola
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+import math
+import time
+
+from board import SCL, SDA
+import busio
+import adafruit_ssd1306
+
+from PIL import Image, ImageDraw, ImageFont
+
+# Create the I2C interface.
+i2c = busio.I2C(SCL, SDA)
+
+# Create the SSD1306 OLED class.
+# The first two parameters are the pixel width and pixel height.  Change these
+# to the right size for your display!
+disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c)
+
+# Note you can change the I2C address, or add a reset pin:
+#disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c, addr=0x3c, reset=reset_pin)
+
+# Get display width and height.
+width = disp.width
+height = disp.height
+
+# Clear display.
+disp.fill(0)
+disp.show()
+
+# Create image buffer.
+# Make sure to create image with mode '1' for 1-bit color.
+image = Image.new('1', (width, height))
+
+# Load default font.
+font = ImageFont.load_default()
+
+# Alternatively load a TTF font.  Make sure the .ttf font file is in the same directory as this python script!
+# Some nice fonts to try: http://www.dafont.com/bitmap.php
+# font = ImageFont.truetype('Minecraftia.ttf', 8)
+
+# Create drawing object.
+draw = ImageDraw.Draw(image)
+
+# Define text and get total width.
+text = 'SSD1306 ORGANIC LED DISPLAY. THIS IS AN OLD SCHOOL DEMO SCROLLER!! GREETZ TO: LADYADA & THE ADAFRUIT CREW, TRIXTER, FUTURE CREW, AND FARBRAUSCH'
+maxwidth, unused = draw.textsize(text, font=font)
+
+# Set animation and sine wave parameters.
+amplitude = height/4
+offset = height/2 - 4
+velocity = -2
+startpos = width
+
+# Animate text moving in sine wave.
+print('Press Ctrl-C to quit.')
+pos = startpos
+while True:
+    # Clear image buffer by drawing a black filled box.
+    draw.rectangle((0,0,width,height), outline=0, fill=0)
+    # Enumerate characters and draw them offset vertically based on a sine wave.
+    x = pos
+    for i, c in enumerate(text):
+        # Stop drawing if off the right side of screen.
+        if x > width:
+            break
+        # Calculate width but skip drawing if off the left side of screen.
+        if x < -10:
+            char_width, char_height = draw.textsize(c, font=font)
+            x += char_width
+            continue
+        # Calculate offset from sine wave.
+        y = offset+math.floor(amplitude*math.sin(x/float(width)*2.0*math.pi))
+        # Draw text.
+        draw.text((x, y), c, font=font, fill=255)
+        # Increment x position based on chacacter width.
+        char_width, char_height = draw.textsize(c, font=font)
+        x += char_width
+
+    # Draw the image buffer.
+    disp.image(image)
+    disp.show()
+
+    # Move position for next frame.
+    pos += velocity
+    # Start over if text has scrolled completely off left side of screen.
+    if pos < -maxwidth:
+        pos = startpos
+
+    # Pause briefly before drawing next frame.
+    time.sleep(0.05)
diff --git a/examples/pillow_images.py b/examples/pillow_images.py
new file mode 100644
index 0000000..90ae4ae
--- /dev/null
+++ b/examples/pillow_images.py
@@ -0,0 +1,60 @@
+# Copyright (c) 2014 Adafruit Industries
+# Author: Tony DiCola
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+import time
+
+import time
+
+from board import SCL, SDA
+import busio
+import adafruit_ssd1306
+
+from PIL import Image, ImageDraw, ImageFont
+
+import subprocess
+
+# Create the I2C interface.
+i2c = busio.I2C(SCL, SDA)
+
+# Create the SSD1306 OLED class.
+# The first two parameters are the pixel width and pixel height.  Change these
+# to the right size for your display!
+disp = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c)
+
+# Note you can change the I2C address, or add a reset pin:
+#disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c, addr=0x3c, reset=reset_pin)
+
+# Clear display.
+disp.fill(0)
+disp.show()
+
+
+# Load image based on OLED display height.  Note that image is converted to 1 bit color.
+if disp.height == 64:
+    image = Image.open('happycat_oled_64.ppm').convert('1')
+else:
+    image = Image.open('happycat_oled_32.ppm').convert('1')
+
+# Alternatively load a different format image, resize it, and convert to 1 bit color.
+#image = Image.open('happycat.png').resize((disp.width, disp.height), Image.ANTIALIAS).convert('1')
+
+# Display image.
+disp.image(image)
+disp.show()
diff --git a/examples/pillow_shapes.py b/examples/pillow_shapes.py
new file mode 100644
index 0000000..38f0c00
--- /dev/null
+++ b/examples/pillow_shapes.py
@@ -0,0 +1,92 @@
+# Copyright (c) 2014 Adafruit Industries
+# Author: Tony DiCola
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+import time
+
+from board import SCL, SDA
+import busio
+import adafruit_ssd1306
+
+from PIL import Image, ImageDraw, ImageFont
+
+
+# Create the I2C interface.
+i2c = busio.I2C(SCL, SDA)
+
+# Create the SSD1306 OLED class.
+# The first two parameters are the pixel width and pixel height.  Change these
+# to the right size for your display!
+disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c)
+
+# Note you can change the I2C address, or add a reset pin:
+#disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c, addr=0x3c, reset=reset_pin)
+
+# Clear display.
+disp.fill(0)
+disp.show()
+
+# Create blank image for drawing.
+# Make sure to create image with mode '1' for 1-bit color.
+width = disp.width
+height = disp.height
+image = Image.new('1', (width, height))
+
+# Get drawing object to draw on image.
+draw = ImageDraw.Draw(image)
+
+# Draw a black filled box to clear the image.
+draw.rectangle((0,0,width,height), outline=0, fill=0)
+
+# Draw some shapes.
+# First define some constants to allow easy resizing of shapes.
+padding = 2
+shape_width = 20
+top = padding
+bottom = height-padding
+# Move left to right keeping track of the current x position for drawing shapes.
+x = padding
+# Draw an ellipse.
+draw.ellipse((x, top , x+shape_width, bottom), outline=255, fill=0)
+x += shape_width+padding
+# Draw a rectangle.
+draw.rectangle((x, top, x+shape_width, bottom), outline=255, fill=0)
+x += shape_width+padding
+# Draw a triangle.
+draw.polygon([(x, bottom), (x+shape_width/2, top), (x+shape_width, bottom)], outline=255, fill=0)
+x += shape_width+padding
+# Draw an X.
+draw.line((x, bottom, x+shape_width, top), fill=255)
+draw.line((x, top, x+shape_width, bottom), fill=255)
+x += shape_width+padding
+
+# Load default font.
+font = ImageFont.load_default()
+
+# Alternatively load a TTF font.  Make sure the .ttf font file is in the same directory as the python script!
+# Some other nice fonts to try: http://www.dafont.com/bitmap.php
+#font = ImageFont.truetype('Minecraftia.ttf', 8)
+
+# Write two lines of text.
+draw.text((x, top),    'Hello',  font=font, fill=255)
+draw.text((x, top+20), 'World!', font=font, fill=255)
+
+# Display image.
+disp.image(image)
+disp.show()
diff --git a/examples/stats.py b/examples/stats.py
new file mode 100644
index 0000000..c883837
--- /dev/null
+++ b/examples/stats.py
@@ -0,0 +1,102 @@
+# Copyright (c) 2017 Adafruit Industries
+# Author: Tony DiCola & James DeVito
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+
+# This example is for use on (Linux) computers that are using CPython with
+# Adafruit Blinka to support CircuitPython libraries. CircuitPython does
+# not support PIL/pillow (python imaging library)!
+
+import time
+
+from board import SCL, SDA
+import busio
+import adafruit_ssd1306
+
+from PIL import Image, ImageDraw, ImageFont
+
+import subprocess
+
+# Create the I2C interface.
+i2c = busio.I2C(SCL, SDA)
+
+# Create the SSD1306 OLED class.
+# The first two parameters are the pixel width and pixel height.  Change these
+# to the right size for your display!
+disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c)
+
+# Clear display.
+disp.fill(0)
+disp.show()
+
+# Create blank image for drawing.
+# Make sure to create image with mode '1' for 1-bit color.
+width = disp.width
+height = disp.height
+image = Image.new('1', (width, height))
+
+# Get drawing object to draw on image.
+draw = ImageDraw.Draw(image)
+
+# Draw a black filled box to clear the image.
+draw.rectangle((0,0,width,height), outline=0, fill=0)
+
+# Draw some shapes.
+# First define some constants to allow easy resizing of shapes.
+padding = -2
+top = padding
+bottom = height-padding
+# Move left to right keeping track of the current x position for drawing shapes.
+x = 0
+
+
+# Load default font.
+font = ImageFont.load_default()
+
+# Alternatively load a TTF font.  Make sure the .ttf font file is in the same directory as the python script!
+# Some other nice fonts to try: http://www.dafont.com/bitmap.php
+#font = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 9)
+
+while True:
+
+    # Draw a black filled box to clear the image.
+    draw.rectangle((0,0,width,height), outline=0, fill=0)
+
+    # Shell scripts for system monitoring from here : https://unix.stackexchange.com/questions/119126/command-to-display-memory-usage-disk-usage-and-cpu-load
+    cmd = "hostname -I | cut -d\' \' -f1"
+    IP = subprocess.check_output(cmd, shell = True ).decode("utf-8")
+    cmd = "top -bn1 | grep load | awk '{printf \"CPU Load: %.2f\", $(NF-2)}'"
+    CPU = subprocess.check_output(cmd, shell = True ).decode("utf-8")
+    cmd = "free -m | awk 'NR==2{printf \"Mem: %s/%s MB  %.2f%%\", $3,$2,$3*100/$2 }'"
+    MemUsage = subprocess.check_output(cmd, shell = True ).decode("utf-8")
+    cmd = "df -h | awk '$NF==\"/\"{printf \"Disk: %d/%d GB  %s\", $3,$2,$5}'"
+    Disk = subprocess.check_output(cmd, shell = True ).decode("utf-8")
+
+    # Write four lines of text.
+
+    draw.text((x, top+0),       "IP: " + str(IP),  font=font, fill=255)
+    draw.text((x, top+8),     str(CPU), font=font, fill=255)
+    draw.text((x, top+16),    str(MemUsage),  font=font, fill=255)
+    draw.text((x, top+25),    str(Disk),  font=font, fill=255)
+
+    # Display image.
+    disp.image(image)
+    disp.show()
+    time.sleep(.1)

From 1c2142868eb4c9adeb67a24b0fe97c737ff91234 Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Thu, 27 Dec 2018 22:24:40 -0500
Subject: [PATCH 6/9] belinted

---
 examples/bonnet_buttons.py | 30 +++++++++++++++++++++---------
 examples/pillow_animate.py | 16 +++++++++-------
 examples/pillow_images.py  |  7 +------
 examples/pillow_shapes.py  | 15 +++++++--------
 examples/stats.py          | 30 ++++++++++++++++--------------
 5 files changed, 54 insertions(+), 44 deletions(-)

diff --git a/examples/bonnet_buttons.py b/examples/bonnet_buttons.py
index ff6d0c9..f6e2669 100644
--- a/examples/bonnet_buttons.py
+++ b/examples/bonnet_buttons.py
@@ -19,13 +19,12 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
+from PIL import Image, ImageDraw
 
-import time
 import board
 import busio
 from digitalio import DigitalInOut, Direction, Pull
 import adafruit_ssd1306
-from PIL import Image, ImageDraw, ImageFont
 
 # Create the I2C interface.
 i2c = busio.I2C(board.SCL, board.SDA)
@@ -36,18 +35,31 @@
 
 # Input pins:
 button_A = DigitalInOut(board.D5)
+button_A.direction = Direction.INPUT
 button_A.pull = Pull.UP
+
 button_B = DigitalInOut(board.D6)
+button_B.direction = Direction.INPUT
 button_B.pull = Pull.UP
+
 button_L = DigitalInOut(board.D27)
+button_L.direction = Direction.INPUT
 button_L.pull = Pull.UP
+
 button_R = DigitalInOut(board.D23)
+button_R.direction = Direction.INPUT
 button_R.pull = Pull.UP
+
 button_U = DigitalInOut(board.D17)
+button_U.direction = Direction.INPUT
 button_U.pull = Pull.UP
+
 button_D = DigitalInOut(board.D22)
+button_D.direction = Direction.INPUT
 button_D.pull = Pull.UP
+
 button_C = DigitalInOut(board.D4)
+button_C.direction = Direction.INPUT
 button_C.pull = Pull.UP
 
 
@@ -65,7 +77,7 @@
 draw = ImageDraw.Draw(image)
 
 # Draw a black filled box to clear the image.
-draw.rectangle((0,0,width,height), outline=0, fill=0)
+draw.rectangle((0, 0, width, height), outline=0, fill=0)
 
 
 while True:
@@ -90,19 +102,19 @@
         draw.polygon([(30, 60), (40, 42), (20, 42)], outline=255, fill=1) #down filled
 
     if button_C.value: # button is released
-        draw.rectangle((20, 22,40,40), outline=255, fill=0) #center 
+        draw.rectangle((20, 22, 40, 40), outline=255, fill=0) #center
     else: # button is pressed:
-        draw.rectangle((20, 22,40,40), outline=255, fill=1) #center filled
+        draw.rectangle((20, 22, 40, 40), outline=255, fill=1) #center filled
 
     if button_A.value: # button is released
-        draw.ellipse((70,40,90,60), outline=255, fill=0) #A button
+        draw.ellipse((70, 40, 90, 60), outline=255, fill=0) #A button
     else: # button is pressed:
-        draw.ellipse((70,40,90,60), outline=255, fill=1) #A button filled
+        draw.ellipse((70, 40, 90, 60), outline=255, fill=1) #A button filled
 
     if button_B.value: # button is released
-        draw.ellipse((100,20,120,40), outline=255, fill=0) #B button
+        draw.ellipse((100, 20, 120, 40), outline=255, fill=0) #B button
     else: # button is pressed:
-        draw.ellipse((100,20,120,40), outline=255, fill=1) #B button filled
+        draw.ellipse((100, 20, 120, 40), outline=255, fill=1) #B button filled
 
     if not button_A.value and not button_B.value and not button_C.value:
         catImage = Image.open('happycat_oled_64.ppm').convert('1')
diff --git a/examples/pillow_animate.py b/examples/pillow_animate.py
index aec8ae1..dbe2303 100644
--- a/examples/pillow_animate.py
+++ b/examples/pillow_animate.py
@@ -18,21 +18,21 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
+
 import math
 import time
+from PIL import Image, ImageDraw, ImageFont
 
 from board import SCL, SDA
 import busio
 import adafruit_ssd1306
 
-from PIL import Image, ImageDraw, ImageFont
-
 # Create the I2C interface.
 i2c = busio.I2C(SCL, SDA)
 
 # Create the SSD1306 OLED class.
-# The first two parameters are the pixel width and pixel height.  Change these
-# to the right size for your display!
+# The first two parameters are the pixel width and pixel height.
+# Change these to the right size for your display!
 disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c)
 
 # Note you can change the I2C address, or add a reset pin:
@@ -53,7 +53,8 @@
 # Load default font.
 font = ImageFont.load_default()
 
-# Alternatively load a TTF font.  Make sure the .ttf font file is in the same directory as this python script!
+# Alternatively load a TTF font.  Make sure the .ttf font file is in the
+# same directory as this python script!
 # Some nice fonts to try: http://www.dafont.com/bitmap.php
 # font = ImageFont.truetype('Minecraftia.ttf', 8)
 
@@ -61,7 +62,8 @@
 draw = ImageDraw.Draw(image)
 
 # Define text and get total width.
-text = 'SSD1306 ORGANIC LED DISPLAY. THIS IS AN OLD SCHOOL DEMO SCROLLER!! GREETZ TO: LADYADA & THE ADAFRUIT CREW, TRIXTER, FUTURE CREW, AND FARBRAUSCH'
+text = 'SSD1306 ORGANIC LED DISPLAY. THIS IS AN OLD SCHOOL DEMO SCROLLER!!'+\
+       'GREETZ TO: LADYADA & THE ADAFRUIT CREW, TRIXTER, FUTURE CREW, AND FARBRAUSCH'
 maxwidth, unused = draw.textsize(text, font=font)
 
 # Set animation and sine wave parameters.
@@ -75,7 +77,7 @@
 pos = startpos
 while True:
     # Clear image buffer by drawing a black filled box.
-    draw.rectangle((0,0,width,height), outline=0, fill=0)
+    draw.rectangle((0, 0, width, height), outline=0, fill=0)
     # Enumerate characters and draw them offset vertically based on a sine wave.
     x = pos
     for i, c in enumerate(text):
diff --git a/examples/pillow_images.py b/examples/pillow_images.py
index 90ae4ae..e3fcf8c 100644
--- a/examples/pillow_images.py
+++ b/examples/pillow_images.py
@@ -18,18 +18,13 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
-import time
 
-import time
+from PIL import Image
 
 from board import SCL, SDA
 import busio
 import adafruit_ssd1306
 
-from PIL import Image, ImageDraw, ImageFont
-
-import subprocess
-
 # Create the I2C interface.
 i2c = busio.I2C(SCL, SDA)
 
diff --git a/examples/pillow_shapes.py b/examples/pillow_shapes.py
index 38f0c00..4034265 100644
--- a/examples/pillow_shapes.py
+++ b/examples/pillow_shapes.py
@@ -18,15 +18,13 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
-import time
+
+from PIL import Image, ImageDraw, ImageFont
 
 from board import SCL, SDA
 import busio
 import adafruit_ssd1306
 
-from PIL import Image, ImageDraw, ImageFont
-
-
 # Create the I2C interface.
 i2c = busio.I2C(SCL, SDA)
 
@@ -52,7 +50,7 @@
 draw = ImageDraw.Draw(image)
 
 # Draw a black filled box to clear the image.
-draw.rectangle((0,0,width,height), outline=0, fill=0)
+draw.rectangle((0, 0, width, height), outline=0, fill=0)
 
 # Draw some shapes.
 # First define some constants to allow easy resizing of shapes.
@@ -63,7 +61,7 @@
 # Move left to right keeping track of the current x position for drawing shapes.
 x = padding
 # Draw an ellipse.
-draw.ellipse((x, top , x+shape_width, bottom), outline=255, fill=0)
+draw.ellipse((x, top, x+shape_width, bottom), outline=255, fill=0)
 x += shape_width+padding
 # Draw a rectangle.
 draw.rectangle((x, top, x+shape_width, bottom), outline=255, fill=0)
@@ -79,12 +77,13 @@
 # Load default font.
 font = ImageFont.load_default()
 
-# Alternatively load a TTF font.  Make sure the .ttf font file is in the same directory as the python script!
+# Alternatively load a TTF font.  Make sure the .ttf font file is in the
+# same directory as the python script!
 # Some other nice fonts to try: http://www.dafont.com/bitmap.php
 #font = ImageFont.truetype('Minecraftia.ttf', 8)
 
 # Write two lines of text.
-draw.text((x, top),    'Hello',  font=font, fill=255)
+draw.text((x, top), 'Hello', font=font, fill=255)
 draw.text((x, top+20), 'World!', font=font, fill=255)
 
 # Display image.
diff --git a/examples/stats.py b/examples/stats.py
index c883837..f5cb1d6 100644
--- a/examples/stats.py
+++ b/examples/stats.py
@@ -25,14 +25,14 @@
 # not support PIL/pillow (python imaging library)!
 
 import time
+import subprocess
+from PIL import Image, ImageDraw, ImageFont
 
 from board import SCL, SDA
 import busio
 import adafruit_ssd1306
 
-from PIL import Image, ImageDraw, ImageFont
 
-import subprocess
 
 # Create the I2C interface.
 i2c = busio.I2C(SCL, SDA)
@@ -56,7 +56,7 @@
 draw = ImageDraw.Draw(image)
 
 # Draw a black filled box to clear the image.
-draw.rectangle((0,0,width,height), outline=0, fill=0)
+draw.rectangle((0, 0, width, height), outline=0, fill=0)
 
 # Draw some shapes.
 # First define some constants to allow easy resizing of shapes.
@@ -70,31 +70,33 @@
 # Load default font.
 font = ImageFont.load_default()
 
-# Alternatively load a TTF font.  Make sure the .ttf font file is in the same directory as the python script!
+# Alternatively load a TTF font.  Make sure the .ttf font file is in the
+# same directory as the python script!
 # Some other nice fonts to try: http://www.dafont.com/bitmap.php
 #font = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 9)
 
 while True:
 
     # Draw a black filled box to clear the image.
-    draw.rectangle((0,0,width,height), outline=0, fill=0)
+    draw.rectangle((0, 0, width, height), outline=0, fill=0)
 
-    # Shell scripts for system monitoring from here : https://unix.stackexchange.com/questions/119126/command-to-display-memory-usage-disk-usage-and-cpu-load
+    # Shell scripts for system monitoring from here:
+    # https://unix.stackexchange.com/questions/119126/command-to-display-memory-usage-disk-usage-and-cpu-load
     cmd = "hostname -I | cut -d\' \' -f1"
-    IP = subprocess.check_output(cmd, shell = True ).decode("utf-8")
+    IP = subprocess.check_output(cmd, shell=True).decode("utf-8")
     cmd = "top -bn1 | grep load | awk '{printf \"CPU Load: %.2f\", $(NF-2)}'"
-    CPU = subprocess.check_output(cmd, shell = True ).decode("utf-8")
+    CPU = subprocess.check_output(cmd, shell=True).decode("utf-8")
     cmd = "free -m | awk 'NR==2{printf \"Mem: %s/%s MB  %.2f%%\", $3,$2,$3*100/$2 }'"
-    MemUsage = subprocess.check_output(cmd, shell = True ).decode("utf-8")
+    MemUsage = subprocess.check_output(cmd, shell=True).decode("utf-8")
     cmd = "df -h | awk '$NF==\"/\"{printf \"Disk: %d/%d GB  %s\", $3,$2,$5}'"
-    Disk = subprocess.check_output(cmd, shell = True ).decode("utf-8")
+    Disk = subprocess.check_output(cmd, shell=True).decode("utf-8")
 
     # Write four lines of text.
 
-    draw.text((x, top+0),       "IP: " + str(IP),  font=font, fill=255)
-    draw.text((x, top+8),     str(CPU), font=font, fill=255)
-    draw.text((x, top+16),    str(MemUsage),  font=font, fill=255)
-    draw.text((x, top+25),    str(Disk),  font=font, fill=255)
+    draw.text((x, top+0), "IP: "+IP, font=font, fill=255)
+    draw.text((x, top+8), CPU, font=font, fill=255)
+    draw.text((x, top+16), MemUsage, font=font, fill=255)
+    draw.text((x, top+25), Disk, font=font, fill=255)
 
     # Display image.
     disp.image(image)

From 64299740e28ae6b7d29f6e9fb77dab06c8261abf Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Thu, 27 Dec 2018 22:29:36 -0500
Subject: [PATCH 7/9] fix import order complaints

---
 examples/bonnet_buttons.py | 3 +--
 examples/pillow_animate.py | 3 +--
 examples/pillow_images.py  | 3 +--
 examples/stats.py          | 3 +--
 4 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/examples/bonnet_buttons.py b/examples/bonnet_buttons.py
index f6e2669..f5a07c7 100644
--- a/examples/bonnet_buttons.py
+++ b/examples/bonnet_buttons.py
@@ -19,11 +19,10 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-from PIL import Image, ImageDraw
-
 import board
 import busio
 from digitalio import DigitalInOut, Direction, Pull
+from PIL import Image, ImageDraw
 import adafruit_ssd1306
 
 # Create the I2C interface.
diff --git a/examples/pillow_animate.py b/examples/pillow_animate.py
index dbe2303..fd2f039 100644
--- a/examples/pillow_animate.py
+++ b/examples/pillow_animate.py
@@ -21,10 +21,9 @@
 
 import math
 import time
-from PIL import Image, ImageDraw, ImageFont
-
 from board import SCL, SDA
 import busio
+from PIL import Image, ImageDraw, ImageFont
 import adafruit_ssd1306
 
 # Create the I2C interface.
diff --git a/examples/pillow_images.py b/examples/pillow_images.py
index e3fcf8c..f72cb80 100644
--- a/examples/pillow_images.py
+++ b/examples/pillow_images.py
@@ -19,10 +19,9 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-from PIL import Image
-
 from board import SCL, SDA
 import busio
+from PIL import Image
 import adafruit_ssd1306
 
 # Create the I2C interface.
diff --git a/examples/stats.py b/examples/stats.py
index f5cb1d6..703747e 100644
--- a/examples/stats.py
+++ b/examples/stats.py
@@ -26,14 +26,13 @@
 
 import time
 import subprocess
-from PIL import Image, ImageDraw, ImageFont
 
 from board import SCL, SDA
 import busio
+from PIL import Image, ImageDraw, ImageFont
 import adafruit_ssd1306
 
 
-
 # Create the I2C interface.
 i2c = busio.I2C(SCL, SDA)
 

From a356cce6fb61b3326eb8cf508654064dc0bcd5c6 Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Thu, 27 Dec 2018 22:32:18 -0500
Subject: [PATCH 8/9] (forgot one)

---
 examples/pillow_shapes.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/examples/pillow_shapes.py b/examples/pillow_shapes.py
index 4034265..b3e5713 100644
--- a/examples/pillow_shapes.py
+++ b/examples/pillow_shapes.py
@@ -19,10 +19,9 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-from PIL import Image, ImageDraw, ImageFont
-
 from board import SCL, SDA
 import busio
+from PIL import Image, ImageDraw, ImageFont
 import adafruit_ssd1306
 
 # Create the I2C interface.

From eef4d99ec6112210062114465f0401875a8c2bc0 Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Fri, 28 Dec 2018 10:06:50 -0500
Subject: [PATCH 9/9] add framebuf dep

---
 README.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.rst b/README.rst
index 503f550..166a374 100644
--- a/README.rst
+++ b/README.rst
@@ -26,6 +26,7 @@ This driver depends on:
 
 * `Adafruit CircuitPython <https://github.com/adafruit/circuitpython>`_
 * `Bus Device <https://github.com/adafruit/Adafruit_CircuitPython_BusDevice>`_
+* `Adafruit framebuf <https://github.com/adafruit/Adafruit_CircuitPython_framebuf>`_
 
 Please ensure all dependencies are available on the CircuitPython filesystem.
 This is easily achieved by downloading