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makermelissamakermelissa
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Merge pull request #32 from makermelissa/master
Ported examples from Raspberry Pi Guy Learn guide
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‎examples/ssd1306_pillow_clock.py‎

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# This example is for use on (Linux) computers that are using CPython with
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# Adafruit Blinka to support CircuitPython libraries. CircuitPython does
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# not support PIL/pillow (python imaging library)!
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#
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# Ported to Pillow by Melissa LeBlanc-Williams for Adafruit Industries from Code available at:
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# https://learn.adafruit.com/adafruit-oled-displays-for-raspberry-pi/programming-your-display
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# Imports the necessary libraries...
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import time
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import board
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import digitalio
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from PIL import Image, ImageDraw, ImageFont
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import adafruit_ssd1306
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# Setting some variables for our reset pin etc.
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RESET_PIN = digitalio.DigitalInOut(board.D4)
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i2c = board.I2C()
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oled = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c, addr=0x3d, reset=RESET_PIN)
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# Clear display.
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oled.fill(0)
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oled.show()
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# Create blank image for drawing.
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image = Image.new('1', (oled.width, oled.height))
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draw = ImageDraw.Draw(image)
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# Load a font in 2 different sizes.
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font = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 16)
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font2 = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 24)
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offset = 0 # flips between 0 and 32 for double buffering
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while True:
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# write the current time to the display after each scroll
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draw.rectangle((0, 0, oled.width, oled.height * 2), outline=0, fill=0)
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text = time.strftime("%A")
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draw.text((0, 0), text, font=font, fill=255)
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text = time.strftime("%e %b %Y")
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draw.text((0, 14), text, font=font, fill=255)
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text = time.strftime("%X")
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draw.text((0, 36), text, font=font2, fill=255)
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oled.image(image)
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oled.show()
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time.sleep(1)
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for i in range(0, oled.height//2):
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offset = (offset + 1) % oled.height
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oled.write_cmd(adafruit_ssd1306.SET_DISP_START_LINE | offset)
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oled.show()
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time.sleep(0.001)

‎examples/ssd1306_pillow_demo.py‎

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"""
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This demo will fill the screen with white, draw a black box on top
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and then print Hello World! in the center of the display
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This example is for use on (Linux) computers that are using CPython with
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Adafruit Blinka to support CircuitPython libraries. CircuitPython does
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not support PIL/pillow (python imaging library)!
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"""
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import board

‎examples/ssd1306_pillow_image_display.py‎

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# This example is for use on (Linux) computers that are using CPython with
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# Adafruit Blinka to support CircuitPython libraries. CircuitPython does
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# not support PIL/pillow (python imaging library)!
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#
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# Ported to Pillow by Melissa LeBlanc-Williams for Adafruit Industries from Code available at:
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# https://learn.adafruit.com/adafruit-oled-displays-for-raspberry-pi/programming-your-display
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# Imports the necessary libraries...
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import sys
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import board
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import digitalio
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from PIL import Image
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import adafruit_ssd1306
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# Setting some variables for our reset pin etc.
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RESET_PIN = digitalio.DigitalInOut(board.D4)
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i2c = board.I2C()
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oled = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c, addr=0x3d, reset=RESET_PIN)
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# Clear display.
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oled.fill(0)
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oled.show()
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# Open, resize, and convert image to Black and White
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image = Image.open(sys.argv[1]).resize((oled.width, oled.height), Image.BICUBIC).convert('1')
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# Display the converted image
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oled.image(image)
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oled.show()

‎examples/ssd1306_pillow_ip.py‎

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# This example is for use on (Linux) computers that are using CPython with
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# Adafruit Blinka to support CircuitPython libraries. CircuitPython does
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# not support PIL/pillow (python imaging library)!
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#
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# Ported to Pillow by Melissa LeBlanc-Williams for Adafruit Industries from Code available at:
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# https://learn.adafruit.com/adafruit-oled-displays-for-raspberry-pi/programming-your-display
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# Imports the necessary libraries...
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import socket
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import fcntl
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import struct
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import board
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import digitalio
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from PIL import Image, ImageDraw, ImageFont
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import adafruit_ssd1306
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# This function allows us to grab any of our IP addresses
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def get_ip_address(ifname):
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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return socket.inet_ntoa(fcntl.ioctl(
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s.fileno(),
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0x8915, # SIOCGIFADDR
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struct.pack('256s', str.encode(ifname[:15]))
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)[20:24])
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# Setting some variables for our reset pin etc.
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RESET_PIN = digitalio.DigitalInOut(board.D4)
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TEXT = ''
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# Very important... This lets py-gaugette 'know' what pins to use in order to reset the display
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i2c = board.I2C()
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oled = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c, addr=0x3d, reset=RESET_PIN)
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# This sets TEXT equal to whatever your IP address is, or isn't
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try:
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TEXT = get_ip_address('wlan0') # WiFi address of WiFi adapter. NOT ETHERNET
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except IOError:
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try:
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TEXT = get_ip_address('eth0') # WiFi address of Ethernet cable. NOT ADAPTER
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except IOError:
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TEXT = ('NO INTERNET!')
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# Clear display.
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oled.fill(0)
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oled.show()
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# Create blank image for drawing.
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image = Image.new('1', (oled.width, oled.height))
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draw = ImageDraw.Draw(image)
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# Load a font in 2 different sizes.
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font = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 28)
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font2 = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 14)
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# Draw the text
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intro = 'Hello!'
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ip = 'Your IP Address is:'
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draw.text((0, 46), TEXT, font=font2, fill=255)
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draw.text((0, 0), intro, font=font, fill=255)
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draw.text((0, 30), ip, font=font2, fill=255)
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# Display image
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oled.image(image)
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oled.show()

‎examples/ssd1306_pillow_text.py‎

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# This example is for use on (Linux) computers that are using CPython with
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# Adafruit Blinka to support CircuitPython libraries. CircuitPython does
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# not support PIL/pillow (python imaging library)!
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#
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# Ported to Pillow by Melissa LeBlanc-Williams for Adafruit Industries from Code available at:
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# https://learn.adafruit.com/adafruit-oled-displays-for-raspberry-pi/programming-your-display
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# Imports the necessary libraries...
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import board
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import digitalio
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from PIL import Image, ImageDraw, ImageFont
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import adafruit_ssd1306
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# Setting some variables for our reset pin etc.
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RESET_PIN = digitalio.DigitalInOut(board.D4)
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# Very important... This lets py-gaugette 'know' what pins to use in order to reset the display
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i2c = board.I2C()
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oled = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c, addr=0x3d, reset=RESET_PIN)
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# Clear display.
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oled.fill(0)
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oled.show()
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# Create blank image for drawing.
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image = Image.new('1', (oled.width, oled.height))
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draw = ImageDraw.Draw(image)
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# Load a font in 2 different sizes.
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font = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 28)
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font2 = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 14)
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# Draw the text
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draw.text((0, 0), 'Hello!', font=font, fill=255)
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draw.text((0, 30), 'Hello!', font=font2, fill=255)
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draw.text((34, 46), 'Hello!', font=font2, fill=255)
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# Display image
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oled.image(image)
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oled.show()

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