def __init__(self, config):
self.epd = EPD()
self.epd.init()
self.font = config['font']
self.route = config['route']
self.stop = config['stop']
self.curlbus = config['curlbus']
class App(object):
def __init__(self, config):
self.epd = EPD()
self.epd.init()
self.font = config['font']
self.route = config['route']
self.stop = config['stop']
self.curlbus = config['curlbus']
def draw(self, eta, last_updated):
self.epd.init()
image = Image.new('1', (self.epd.height, self.epd.width), 255)
draw = ImageDraw.Draw(image)
# Draw the line number on the top conrner
font = ImageFont.truetype(self.font, 30)
draw.text((5, 2), self.route, font=font, fill=0)
draw.rectangle([(0, 0), (60, 40)])
# Draw the ETA
font = ImageFont.truetype(self.font, 60)
draw.text((self.epd.height / 2 - 50, self.epd.width / 2 - 50),
eta,
font=font,
fill=0)
# Draw the last_updated timestamp
font = ImageFont.truetype(self.font, 16)
draw.text((0, self.epd.width - 20), last_updated, font=font, fill=0)
self.epd.smart_update(image.rotate(90, expand=True))
self.epd.sleep()
def update(self):
response = requests.get("{0}/{1}".format(self.curlbus, self.stop),
headers=HEADERS)
response_data = response.json()
last_updated = response_data['timestamp']
next_eta = "Nothing :("
etas = []
for visit in response_data['visits'][self.stop]:
if visit['line_name'] == self.route:
etas.append(parse(visit['eta']))
if len(etas) > 0:
closest_eta = sorted(etas)[0]
next_eta = round(
(closest_eta -
datetime.now(dateutil.tz.tzlocal())).total_seconds() / 60)
if next_eta <= 0:
next_eta = 'Now'
else:
next_eta = '{0}m'.format(next_eta)
self.draw(next_eta, last_updated)
def run(self):
while True:
self.update()
time.sleep(60)
def main():
print("initializing", end="")
sys.stdout.flush()
epd = EPD()
epd.init()
print(".", end="")
sys.stdout.flush()
image = Image.new('1', (epd.width, epd.height), 255)
draw = ImageDraw.Draw(image)
font = ImageFont.truetype(
'/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 20)
draw.text((0, 5), 'Partial refresh', font=font, fill=0)
font = ImageFont.truetype(
'/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 18)
draw.line([0, 28, epd.width, 28], fill=0, width=3)
epd.display_frame(image)
print(".")
loc = 30
draw.text((0, loc), "Look!", font=font, fill=0)
epd.smart_update(image)
loc += 20
print(".", end="")
sys.stdout.flush()
draw.text((0, loc), "No need to refresh", font=font, fill=0)
draw.text((0, loc + 20), "the entire screen.", font=font, fill=0)
epd.smart_update(image)
loc += 45
print(".", end="")
sys.stdout.flush()
draw.text((0, loc), "It's fast", font=font, fill=0)
draw.text((0, loc + 20), "and convenient", font=font, fill=0)
epd.smart_update(image)
loc += 20
print(".", end="")
sys.stdout.flush()
epd.sleep()
print("!")
# def loop1():
# while True:
# tottime( tottimevar )
# time.sleep(60)
# def loop2():
# while True:
# tottimevar += 1
# print (tottimevar)
# time.sleep(1)
print("Init", end="")
sys.stdout.flush()
epd = EPD()
# epd = EPD(fast_refresh=True)
epd.init()
sys.stdout.flush()
fontsml = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf',
18)
fontmed = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf',
20)
fontlrg = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf',
30)
image = Image.new('1', (epd.width, epd.height), 255)
draw = ImageDraw.Draw(image)
draw.text((0, 0), 'TechTesters GPS', font=fontmed, fill=0)
def main():
print("initializing...")
epd = EPD()
epd.init()
image = Image.new('1', (epd.width, epd.height), 255)
draw = ImageDraw.Draw(image)
font = ImageFont.truetype(
'/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 18)
draw.text((0, 5), 'Interactive demo', font=font, fill=0)
font = ImageFont.truetype(
'/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 16)
epd.display_frame(image)
loc = 25
full_update = False
print("Ready.")
try:
while True:
text = input("> ")
if loc > epd.height - 10:
loc = 0
image = Image.new('1', (epd.width, epd.height), 255)
draw = ImageDraw.Draw(image)
full_update = True
draw.text((5, loc), text, font=font, fill=0)
if full_update:
print("Doing a full update...")
epd.display_frame(image)
full_update = False
else:
print("...")
epd.display_partial_frame(image,
0,
loc,
20,
epd.width,
fast=True)
loc += 20
except KeyboardInterrupt:
epd.sleep()
print("Bye!")
raise
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from PIL import Image, ImageDraw, ImageFont
import sys, os
import time
from rpi_epd2in7.epd import EPD
epd = EPD()
epd.init()
height, width = epd.width, epd.height
def newFrame():
return Image.new("1", (width, height), 255)
def drawFrame(frame, full_refresh):
if full_refresh:
epd.display_frame(frame.transpose(Image.ROTATE_90))
else:
epd.smart_update(frame.transpose(Image.ROTATE_90))
# ### for debugging
# from matplotlib.pyplot import imshow
# import numpy as np
# imshow(np.asarray(frame))
def lineHeight(number):
return 5 + number * width / 6.0