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all the linux/raspi examples
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‎examples/bonnet_buttons.py

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# Copyright (c) 2017 Adafruit Industries
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# Author: James DeVito
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import time
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import board
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import busio
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from digitalio import DigitalInOut, Direction, Pull
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import adafruit_ssd1306
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from PIL import Image, ImageDraw, ImageFont
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# Create the I2C interface.
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i2c = busio.I2C(board.SCL, board.SDA)
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# Create the SSD1306 OLED class.
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disp = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c)
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# Input pins:
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button_A = DigitalInOut(board.D5)
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button_A.pull = Pull.UP
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button_B = DigitalInOut(board.D6)
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button_B.pull = Pull.UP
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button_L = DigitalInOut(board.D27)
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button_L.pull = Pull.UP
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button_R = DigitalInOut(board.D23)
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button_R.pull = Pull.UP
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button_U = DigitalInOut(board.D17)
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button_U.pull = Pull.UP
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button_D = DigitalInOut(board.D22)
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button_D.pull = Pull.UP
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button_C = DigitalInOut(board.D4)
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button_C.pull = Pull.UP
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# Clear display.
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disp.fill(0)
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disp.show()
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# Create blank image for drawing.
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# Make sure to create image with mode '1' for 1-bit color.
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width = disp.width
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height = disp.height
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image = Image.new('1', (width, height))
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# Get drawing object to draw on image.
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draw = ImageDraw.Draw(image)
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# Draw a black filled box to clear the image.
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draw.rectangle((0,0,width,height), outline=0, fill=0)
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while True:
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if button_U.value: # button is released
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draw.polygon([(20, 20), (30, 2), (40, 20)], outline=255, fill=0) #Up
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else: # button is pressed:
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draw.polygon([(20, 20), (30, 2), (40, 20)], outline=255, fill=1) #Up filled
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if button_L.value: # button is released
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draw.polygon([(0, 30), (18, 21), (18, 41)], outline=255, fill=0) #left
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else: # button is pressed:
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draw.polygon([(0, 30), (18, 21), (18, 41)], outline=255, fill=1) #left filled
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if button_R.value: # button is released
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draw.polygon([(60, 30), (42, 21), (42, 41)], outline=255, fill=0) #right
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else: # button is pressed:
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draw.polygon([(60, 30), (42, 21), (42, 41)], outline=255, fill=1) #right filled
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if button_D.value: # button is released
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draw.polygon([(30, 60), (40, 42), (20, 42)], outline=255, fill=0) #down
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else: # button is pressed:
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draw.polygon([(30, 60), (40, 42), (20, 42)], outline=255, fill=1) #down filled
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if button_C.value: # button is released
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draw.rectangle((20, 22,40,40), outline=255, fill=0) #center
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else: # button is pressed:
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draw.rectangle((20, 22,40,40), outline=255, fill=1) #center filled
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if button_A.value: # button is released
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draw.ellipse((70,40,90,60), outline=255, fill=0) #A button
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else: # button is pressed:
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draw.ellipse((70,40,90,60), outline=255, fill=1) #A button filled
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if button_B.value: # button is released
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draw.ellipse((100,20,120,40), outline=255, fill=0) #B button
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else: # button is pressed:
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draw.ellipse((100,20,120,40), outline=255, fill=1) #B button filled
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if not button_A.value and not button_B.value and not button_C.value:
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catImage = Image.open('happycat_oled_64.ppm').convert('1')
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disp.image(catImage)
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else:
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# Display image.
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disp.image(image)
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disp.show()

‎examples/happycat_oled_32.ppm

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‎examples/happycat_oled_64.ppm

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‎examples/pillow_animate.py

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# Copyright (c) 2014 Adafruit Industries
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# Author: Tony DiCola
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import math
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import time
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from board import SCL, SDA
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import busio
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import adafruit_ssd1306
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from PIL import Image, ImageDraw, ImageFont
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# Create the I2C interface.
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i2c = busio.I2C(SCL, SDA)
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# Create the SSD1306 OLED class.
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# The first two parameters are the pixel width and pixel height. Change these
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# to the right size for your display!
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disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c)
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# Note you can change the I2C address, or add a reset pin:
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#disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c, addr=0x3c, reset=reset_pin)
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# Get display width and height.
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width = disp.width
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height = disp.height
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# Clear display.
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disp.fill(0)
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disp.show()
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# Create image buffer.
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# Make sure to create image with mode '1' for 1-bit color.
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image = Image.new('1', (width, height))
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# Load default font.
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font = ImageFont.load_default()
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# Alternatively load a TTF font. Make sure the .ttf font file is in the same directory as this python script!
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# Some nice fonts to try: http://www.dafont.com/bitmap.php
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# font = ImageFont.truetype('Minecraftia.ttf', 8)
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# Create drawing object.
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draw = ImageDraw.Draw(image)
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# Define text and get total width.
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text = 'SSD1306 ORGANIC LED DISPLAY. THIS IS AN OLD SCHOOL DEMO SCROLLER!! GREETZ TO: LADYADA & THE ADAFRUIT CREW, TRIXTER, FUTURE CREW, AND FARBRAUSCH'
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maxwidth, unused = draw.textsize(text, font=font)
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# Set animation and sine wave parameters.
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amplitude = height/4
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offset = height/2 - 4
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velocity = -2
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startpos = width
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# Animate text moving in sine wave.
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print('Press Ctrl-C to quit.')
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pos = startpos
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while True:
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# Clear image buffer by drawing a black filled box.
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draw.rectangle((0,0,width,height), outline=0, fill=0)
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# Enumerate characters and draw them offset vertically based on a sine wave.
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x = pos
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for i, c in enumerate(text):
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# Stop drawing if off the right side of screen.
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if x > width:
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break
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# Calculate width but skip drawing if off the left side of screen.
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if x < -10:
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char_width, char_height = draw.textsize(c, font=font)
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x += char_width
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continue
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# Calculate offset from sine wave.
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y = offset+math.floor(amplitude*math.sin(x/float(width)*2.0*math.pi))
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# Draw text.
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draw.text((x, y), c, font=font, fill=255)
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# Increment x position based on chacacter width.
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char_width, char_height = draw.textsize(c, font=font)
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x += char_width
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# Draw the image buffer.
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disp.image(image)
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disp.show()
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# Move position for next frame.
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pos += velocity
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# Start over if text has scrolled completely off left side of screen.
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if pos < -maxwidth:
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pos = startpos
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# Pause briefly before drawing next frame.
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time.sleep(0.05)

‎examples/pillow_images.py

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# Copyright (c) 2014 Adafruit Industries
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# Author: Tony DiCola
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
9+
# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
14+
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import time
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import time
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from board import SCL, SDA
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import busio
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import adafruit_ssd1306
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from PIL import Image, ImageDraw, ImageFont
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import subprocess
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# Create the I2C interface.
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i2c = busio.I2C(SCL, SDA)
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# Create the SSD1306 OLED class.
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# The first two parameters are the pixel width and pixel height. Change these
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# to the right size for your display!
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disp = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c)
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# Note you can change the I2C address, or add a reset pin:
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#disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c, addr=0x3c, reset=reset_pin)
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# Clear display.
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disp.fill(0)
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disp.show()
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# Load image based on OLED display height. Note that image is converted to 1 bit color.
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if disp.height == 64:
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image = Image.open('happycat_oled_64.ppm').convert('1')
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else:
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image = Image.open('happycat_oled_32.ppm').convert('1')
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# Alternatively load a different format image, resize it, and convert to 1 bit color.
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#image = Image.open('happycat.png').resize((disp.width, disp.height), Image.ANTIALIAS).convert('1')
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# Display image.
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disp.image(image)
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disp.show()

‎examples/pillow_shapes.py

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# Copyright (c) 2014 Adafruit Industries
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# Author: Tony DiCola
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8+
# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import time
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from board import SCL, SDA
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import busio
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import adafruit_ssd1306
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from PIL import Image, ImageDraw, ImageFont
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# Create the I2C interface.
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i2c = busio.I2C(SCL, SDA)
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# Create the SSD1306 OLED class.
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# The first two parameters are the pixel width and pixel height. Change these
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# to the right size for your display!
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disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c)
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# Note you can change the I2C address, or add a reset pin:
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#disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c, addr=0x3c, reset=reset_pin)
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# Clear display.
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disp.fill(0)
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disp.show()
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# Create blank image for drawing.
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# Make sure to create image with mode '1' for 1-bit color.
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width = disp.width
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height = disp.height
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image = Image.new('1', (width, height))
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# Get drawing object to draw on image.
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draw = ImageDraw.Draw(image)
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# Draw a black filled box to clear the image.
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draw.rectangle((0,0,width,height), outline=0, fill=0)
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# Draw some shapes.
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# First define some constants to allow easy resizing of shapes.
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padding = 2
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shape_width = 20
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top = padding
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bottom = height-padding
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# Move left to right keeping track of the current x position for drawing shapes.
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x = padding
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# Draw an ellipse.
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draw.ellipse((x, top , x+shape_width, bottom), outline=255, fill=0)
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x += shape_width+padding
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# Draw a rectangle.
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draw.rectangle((x, top, x+shape_width, bottom), outline=255, fill=0)
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x += shape_width+padding
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# Draw a triangle.
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draw.polygon([(x, bottom), (x+shape_width/2, top), (x+shape_width, bottom)], outline=255, fill=0)
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x += shape_width+padding
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# Draw an X.
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draw.line((x, bottom, x+shape_width, top), fill=255)
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draw.line((x, top, x+shape_width, bottom), fill=255)
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x += shape_width+padding
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# Load default font.
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font = ImageFont.load_default()
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# Alternatively load a TTF font. Make sure the .ttf font file is in the same directory as the python script!
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# Some other nice fonts to try: http://www.dafont.com/bitmap.php
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#font = ImageFont.truetype('Minecraftia.ttf', 8)
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# Write two lines of text.
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draw.text((x, top), 'Hello', font=font, fill=255)
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draw.text((x, top+20), 'World!', font=font, fill=255)
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# Display image.
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disp.image(image)
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disp.show()

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