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from netifaces import interfaces, ifaddresses, AF_INET
def ip4_addresses():
ip_list = []
for interface in interfaces():
for link in ifaddresses(interface)[AF_INET]:
ip_list.append(link['addr'])
return ip_list
import time
import busio
import board
from digitalio import DigitalInOut, Direction
from PIL import Image
from PIL import ImageDraw
from PIL import ImageFont
from adafruit_epd.epd import Adafruit_EPD
from adafruit_epd.ssd1675b import Adafruit_SSD1675B # pylint: disable=unused-import
#from adafruit_epd.ssd1675 import Adafruit_SSD1675 # pylint: disable=unused-import
import math
import random
def arrowedLine(draw, ptB, ptA, width=1, fill=(0,255,0)):
"""Draw line from ptA to ptB with arrowhead at ptB"""
# Get drawing context
#sdraw = ImageDraw.Draw(im)
# Draw the line without arrows
draw.line((ptA,ptB), width=width, fill=fill)
# Now work out the arrowhead
# = it will be a triangle with one vertex at ptB
# - it will start at 95% of the length of the line
# - it will extend 8 pixels either side of the line
x0, y0 = ptA
x1, y1 = ptB
# Now we can work out the x,y coordinates of the bottom of the arrowhead triangle
xb = 0.95*(x1-x0)+x0
yb = 0.95*(y1-y0)+y0
# Work out the other two vertices of the triangle
# Check if line is vertical
if x0==x1:
vtx0 = (xb-5, yb)
vtx1 = (xb+5, yb)
# Check if line is horizontal
elif y0==y1:
vtx0 = (xb, yb+5)
vtx1 = (xb, yb-5)
else:
alpha = math.atan2(y1-y0,x1-x0)-90*math.pi/180
a = 8*math.cos(alpha)
b = 8*math.sin(alpha)
vtx0 = (xb+a, yb+b)
vtx1 = (xb-a, yb-b)
#draw.point((xb,yb), fill=(255,0,0)) # DEBUG: draw point of base in red - comment out draw.polygon() below if using this line
#im.save('DEBUG-base.png') # DEBUG: save
# Now draw the arrowhead triangle
draw.polygon([vtx0, vtx1, ptB], fill=fill)
return draw
# create two buttons
switch1 = DigitalInOut(board.D6)
switch2 = DigitalInOut(board.D5)
switch1.direction = Direction.INPUT
switch2.direction = Direction.INPUT
# create the spi device and pins we will need
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
ecs = DigitalInOut(board.CE0)
dc = DigitalInOut(board.D22)
rst = DigitalInOut(board.D27)
busy = DigitalInOut(board.D17)
# give them all to our driver
display = Adafruit_SSD1675B(
122,
250,
spi, # 2.13" HD mono display (rev B)
cs_pin=ecs,
dc_pin=dc,
sramcs_pin=None,
rst_pin=rst,
busy_pin=busy,
)
display.rotation = 1
# Create blank image for drawing.
# Make sure to create image with mode '1' for 1-bit color.
width = display.width
height = display.height
image = Image.new("RGB", (width, height))
splashimage = Image.new("RGB", (width, height))
WHITE = (0xFF, 0xFF, 0xFF)
BLACK = (0x00, 0x00, 0x00)
print("clearing display")
# clear the buffer
display.fill(Adafruit_EPD.WHITE)
# clear it out
display.display()
# Get drawing object to draw on image.
draw = ImageDraw.Draw(image)
splash = ImageDraw.Draw(splashimage)
# empty it
draw.rectangle((0, 0, width, height), fill=WHITE)
splash.rectangle((0, 0, width, height), fill=BLACK)
print("drawing box")
# Draw an outline box
draw.rectangle((1, 1, width - 2, height - 2), outline=BLACK, fill=WHITE)
# Draw some shapes.
# First define some constants to allow easy resizing of shapes.
padding = 5
shape_width = 30
top = padding
bottom = height - padding
# Move left to right keeping track of the current x position for drawing shapes.
x = padding
# Load default font.
font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", 20)
# 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), "Goodbye", font=font, fill=BLACK)
draw.text((x, top + 20), "World!", font=font, fill=BLACK)
draw.text((x, top + 40), ip4_addresses()[1], font=font, fill=BLACK)
#splash.line((x, bottom, x + 60 + shape_width, top), fill=WHITE, width=3)
#splash.line((x, top+shape_width, x + shape_width, bottom), fill=WHITE, width=3) x += shape_width + padding
shape_width *=2
splash=arrowedLine(splash, (x, top+(shape_width/2)), (x + (shape_width*2), bottom), width=3, fill=WHITE)
x+=shape_width
splash.text((x, top), "Push ME!!!!", font=font, fill=WHITE)
splash.text((x, top + 20), ip4_addresses()[1], font=font, fill=WHITE)
print("entering the loops")
display.image(splashimage)
display.display()
while True:
if not switch1.value:
print("Switch 1")
display.image(image)
display.display()
while not switch1.value:
time.sleep(0.01)
if not switch2.value:
print("Switch 2")
display.image(splashimage)
#display.fill(Adafruit_EPD.WHITE)
display.display()
while not switch2.value:
time.sleep(0.01)
time.sleep(0.01)
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