def draw(filename):
path = os.path.join(PICTURE_PATH, filename)
if os.path.isfile(path):
image = PapirusImage()
image.write(path)
return 'ok'
else:
return '404', 404
def write_text(papirus, text, size, flag):
screen = PapirusImage()
print(flag)
if flag == 1:
screen.write('./images/light1.bmp')
if flag == 2:
screen.write('./images/light2.bmp')
if flag == 3:
screen.write('./images/tv.bmp')
if flag == 4:
screen.write('./images/fan.bmp')
class PapirusDisplay(Display):
_WHITE = (255, 255, 255)
_IMAGE_SUFFIX = "-papirus.bmp"
def __init__(self):
self._screen = Papirus()
self._image = PapirusImage()
self._text = PapirusText()
def draw(self, notification):
self._screen.update()
if isinstance(notification, TextNotification):
self._text.write(notification.get_text())
elif isinstance(notification, ImageNotification):
image_path = notification.get_image_path()
converted_image_path = image_path + self._IMAGE_SUFFIX
if not os.path.exists(converted_image_path):
convert_bmp(image_path, converted_image_path)
self._image.write(converted_image_path)
@staticmethod
def get_supported_notifications():
return [TextNotification, ImageNotification]
@staticmethod
def get_id():
return "papirus"
def __str__(self):
return "Papirus display"
@staticmethod
def get_config_factory():
return PapirusConfig()
from papirus import Papirus
from papirus import PapirusImage
from papirus import PapirusText
screen = Papirus()
image = PapirusImage()
text = PapirusText()
screen.update()
image.write('/home/pi/papirus/epapertrump.bmp')
#text.write("hello")
# Run like this:
# python3 papirus_server.py --machine-name:$(hostname -I)
#
import json
import sys
import threading
import traceback
import time
from http.server import HTTPServer, BaseHTTPRequestHandler
from time import sleep
from papirus import PapirusText # See the README.md
from papirus import PapirusImage
rot = 00
papirus_display = PapirusText(rotation=rot)
papirus_image = PapirusImage(rotation=rot)
sample_data = { # Used for non-implemented operations. Fallback.
"1": "First",
"2": "Second",
"3": "Third",
"4": "Fourth"
}
server_port = 8080
REST_DEBUG = False
class CoreFeatures:
"""
Implements the methods used in the REST operations below
"""
#!/usr/bin/env python3 import os import requests from papirus import PapirusImage result = requests.get(os.environ['URL'], stream=True) image = result.raw screen = PapirusImage() screen.write(image)
import random
import os
from papirus import PapirusImage
from gpiozero import Button, PWMLED, LED
randomfile=""
button = Button(27)
led = PWMLED(22)
folder = 'santa/'
image = PapirusImage()
while True:
button.wait_for_press()
led.pulse(n=3)
randomfile = random.sample(os.listdir("santa/"), 1)[0]
image.write(folder + randomfile)
from papirus import Papirus
from papirus import PapirusImage
from papirus import PapirusText
from papirus import PapirusTextPos
import time
from twython import TwythonStreamer
screen = Papirus()
image = PapirusImage()
text = PapirusTextPos()
TERMS = '#alembic'
#login codes
APP_KEY = 'xCR6gEUjadgEAuYH5Oh2ehvhT'
APP_SECRET = 'PyhW6JM0EfqUS1l6sER8O8pSmoJxM2vmfJ2pQgOblHO2fx0Bjr'
OAUTH_TOKEN = '20427648-xL2sPwZRpi2V7jxuLFYHxqsOw8FytIgi9KA0e1K9v'
OAUTH_TOKEN_SECRET = 'Xho6kqVa38S4kJ742mNi9pDALM4jqXEvZTeE5lUziWnrT'
#setup callback from twython streamer
class BlinkyStreamer(TwythonStreamer):
def on_success(self, data):
if 'text' in data:
print data['text'].encode('utf-8')
print
text.AddText("#alembic", 60, 20, Id="Start", invert=True)
time.sleep(5.0)
image.write('/home/pi/papirus/epapertrump.bmp')
#screen.update()
def __init__(self):
self._screen = Papirus()
self._image = PapirusImage()
self._text = PapirusText()
def drawOnScreen():
image = PapirusImage()
image.write('output-trimmed.png')
def main():
global SIZE
global FLAG
GPIO.setmode(GPIO.BCM)
GPIO.setup(SW1, GPIO.IN)
GPIO.setup(SW2, GPIO.IN)
GPIO.setup(SW3, GPIO.IN)
GPIO.setup(SW4, GPIO.IN)
if SW5 != -1:
GPIO.setup(SW5, GPIO.IN)
papirus = Papirus()
screen = PapirusImage()
# Use smaller font for smaller dislays
if papirus.height <= 96:
SIZE = 18
papirus.clear()
# Initialize Screen
screen.write('./images/light1.bmp')
while True:
# Exit when SW1 and SW2 are pressed simultaneously
if (GPIO.input(SW1) == False) and (GPIO.input(SW2) == False):
write_text(papirus, "Exiting ...", SIZE)
sleep(0.2)
papirus.clear()
sys.exit()
# Up Arrow
if GPIO.input(SW1) == False:
if FLAG == 4:
FLAG = 1
else:
FLAG += 1
write_text(papirus, "placeholder", SIZE, FLAG)
# Down Arrow
if GPIO.input(SW2) == False:
if FLAG == 1:
FLAG = 4
else:
FLAG -= 1
write_text(papirus, "placeholder", SIZE, FLAG)
# Function 3
if GPIO.input(SW3) == False:
function_three(FLAG)
# Function 2
if GPIO.input(SW4) == False:
function_two(FLAG)
# Function 1
if (SW5 != -1) and (GPIO.input(SW5) == False):
function_one(FLAG)
sleep(0.05)
import os
import smbus
import RPi.GPIO as GPIO
import datetime
import Image
import ImageDraw
import ImageFont
from papirus import Papirus
from papirus import PapirusImage
from papirus import PapirusComposite
# Set Screen rotation
# Optional rotation argument: rot = 0, 90, 180 or 270
image = PapirusImage(180)
# Loops through displays infinitely
while True:
# 1 Original Screen Major / Minor / Graduation displays for 15 seconds
# Write image to the epaper screen
image.write('./nametagmajorbox.png')
# Wait / display for 15 seconds
time.sleep(15)
#time.sleep(3) # For dev
# 2 Display Hobbies and Interests 15 seconds
# Write image to the epaper screen
image.write('./factsnametagbox.png')
def drawOnScreen():
image = PapirusImage()
image.write('output-inverted.png')
def main():
global SIZE
global FLAG
heading = []
roll = []
pitch = []
GPIO.setmode(GPIO.BCM)
GPIO.setup(SW1, GPIO.IN)
GPIO.setup(SW2, GPIO.IN)
GPIO.setup(SW3, GPIO.IN)
GPIO.setup(SW4, GPIO.IN)
if SW5 != -1:
GPIO.setup(SW5, GPIO.IN)
papirus = Papirus()
screen = PapirusImage()
# Use smaller font for smaller dislays
if papirus.height <= 96:
SIZE = 18
papirus.clear()
# Initialize Screen
screen.write('../final_project_code/images/light1.bmp')
while True:
# Exit when SW1 and SW2 are pressed simultaneously
if (GPIO.input(SW1) == False) and (GPIO.input(SW2) == False):
write_text(papirus, "Exiting ...", SIZE)
sleep(0.2)
papirus.clear()
sys.exit()
if GPIO.input(SW1) == False:
if FLAG == 4:
FLAG = 1
else:
FLAG += 1
write_text(papirus, "placeholder", SIZE, FLAG)
if GPIO.input(SW2) == False:
if FLAG == 1:
FLAG = 4
else:
FLAG -= 1
write_text(papirus, "placeholder", SIZE, FLAG)
input_state = GPIO.input(18)
if input_state == False:
# print('Button Pressed')
# Read the Euler angles for heading, roll, pitch (all in degrees).
heading_temp, pitch_temp, roll_temp = bno.read_euler()
# store orientation angles into list arrays
heading.append(heading_temp)
roll.append(roll_temp)
pitch.append(pitch_temp)
# Read the calibration status, 0=uncalibrated and 3=fully calibrated.
sys, gyro, accel, mag = bno.get_calibration_status()
sleep(.01)
elif len(heading) != 0:
# Print everything out.
if debug == 1:
print "heading list: "
rounded_heading = []
rounded_pitch = []
rounded_heading = round_angles(heading)
rounded_pitch = round_angles(pitch)
rounded_heading = np.array(rounded_heading)
rounded_pitch = np.array(rounded_pitch)
# Center heading
centered_heading = rounded_heading[:] - rounded_heading[1]
if debug == 1:
print "Centered heading data: "
print centered_heading
print "Pitch data: "
print rounded_pitch
# Convert heading data to project position data
position_array_length = len(centered_heading[:])
if debug == 1:
print "Array Length: "
print position_array_length
pitch_array_length = len(rounded_pitch[:])
if debug == 1:
print "pitch array length: "
print pitch_array_length
heading_array_length = len(rounded_heading[:])
if debug == 1:
print "heading array length: "
print heading_array_length
#Convert heading and pitch angles into cartesion coordinates
#y_length was arbitrarily set to 10
y_length = 10
x_position = y_length * np.tan(np.deg2rad(centered_heading[:]))
y_position = y_length * np.tan(np.deg2rad(rounded_pitch[:]))
if debug == 1:
print "x_position array: "
print x_position
print "y_position array: "
print y_position
data_points = np.vstack((x_position, y_position))
if debug == 1:
print "data points: "
print data_points
#generate vectors from data_points
vectors = np.zeros((position_array_length, 3))
#create vectors connecting each points
for k in range(0, position_array_length - 2):
vectors[k, 0] = data_points[0, k + 1] - data_points[0, k]
vectors[k, 1] = data_points[1, k + 1] - data_points[1, k]
#creates final vector between starting and ending points
vectors[position_array_length - 1,
0] = data_points[0, position_array_length -
1] - data_points[0, 0]
vectors[position_array_length - 1,
1] = data_points[1, position_array_length -
1] - data_points[1, 0]
if debug == 1:
print "Vectors Array: "
print vectors
#remove duplicate vectors from array
vectors = vectors[~(vectors == 0).all(1)]
if debug == 1:
print "Vectors with duplicates removed: "
print vectors
#generate array of vector angles by reference vector array to a zero degree reference vector
ref_vector = [1, 0, 0]
cross_variable = np.cross(ref_vector, vectors)
vector_array_length = len(vectors)
vector_angles = []
for k in range(0, vector_array_length - 1):
dot_product = np.dot(ref_vector, vectors[k])
np.arctan2(cross_variable[:, 2],
np.dot(ref_vector, vectors[k]))
vector_angles.append(
np.arctan2(cross_variable[k, 2],
np.dot(ref_vector, vectors[k])) * 180 / pi)
if debug == 1:
print "Vector Angles List: "
print np.around(vector_angles)
#replace negative angles to form unit circle values from 0 to 360 degrees
for k in range(0, vector_array_length - 1):
if vector_angles[k] <= 0:
vector_angles[k] = 360 + vector_angles[k]
if debug == 1:
print "Vector Angles List: "
print np.around(vector_angles)
#bin vector angles for frequency analysis
edges = np.linspace(0, 360, 73) #0 5 10 ...360
frequency_hist = np.histogram(vector_angles, edges)
if debug == 1:
print "Freqency Bins: "
print frequency_hist[0]
frequency_hist = np.array(frequency_hist[0])
#generate shape charactersistics that can be used to identify drawn shape
dominant_angle_number = len(
frequency_hist[np.where(frequency_hist > 4)])
dominant_angle_index = np.argmax(frequency_hist)
dominant_angle_value = 5 * dominant_angle_index
print "Dominant Angle: "
print dominant_angle_value
#Use frequency analysis to determine shape drawn
choices = {1: 'line', 3: 'triangle', 4: 'square', 0: 'none'}
result = choices.get(dominant_angle_number,
'Sorry no ID made! Try again...')
print "Shape Matched: "
print result
if result == 'line':
if dominant_angle_value < 15 or dominant_angle_value > 345:
result = 'right_swipe'
elif dominant_angle_value < 60 and dominant_angle_value > 15:
result = 'quad_diagonal_1'
elif dominant_angle_value > 135 and dominant_angle_value < 225:
result = 'left_swipe'
elif dominant_angle_value > 60 and dominant_angle_value < 135:
result = 'up_swipe'
elif dominant_angle_value > 235 and dominant_angle_value < 345:
result = 'down_swipe'
print "Shape Matched: "
print result
shapes.append(result)
logic.roku_command(shapes)
shapes.remove(result)
# Reset heading list
heading = []
pitch = []
sleep(0.1)