پروژه راه اندازی ال سی دی OLED با استفاده از Raspberry Pi به زبان پایتون

				
					import math
import time
import Adafruit_GPIO.SPI as SPI
import Adafruit_SSD1306
from PIL import Image
from PIL import ImageFont
from PIL import ImageDraw
# Raspberry Pi pin configuration:
RST = 24
# Note the following are only used with SPI:
DC = 23
SPI_PORT = 0
SPI_DEVICE = 0
# Beaglebone Black pin configuration:
# RST = 'P9_12'
# Note the following are only used with SPI:
# DC = 'P9_15'
# SPI_PORT = 1
# SPI_DEVICE = 0
# 128x32 display with hardware I2C:
disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST)
# 128x64 display with hardware I2C:
# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST)
# 128x32 display with hardware SPI:
# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000))
# 128x64 display with hardware SPI:
# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000))
# Initialize library.
disp.begin()
# Get display width and height.
width = disp.width
height = disp.height
# Clear display.
disp.clear()
disp.display()
# 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 = 'WWW.REDRONIC.COM'
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.display()
# 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(0.1)