def __init__(self):
super().__init__()
unicorn.set_layout(unicorn.HAT)
unicorn.rotation(180)
unicorn.brightness(0.5)
self.width, self.height = unicorn.get_shape()
def reset_leds():
global width, height
unicorn.set_layout(unicorn.AUTO)
unicorn.rotation(0)
unicorn.brightness(1.0)
width, height = unicorn.get_shape()
from random import randint
import unicornhat as unicorn
print("""Drop: Four Orientation
The same as Drop, but showing the virtual bucket in 4 different orientations.
If you're using a Unicorn HAT and only half the screen lights up,
edit this example and change 'unicorn.AUTO' to 'unicorn.HAT' below.
""")
unicorn.set_layout(unicorn.AUTO)
unicorn.rotation(0)
unicorn.brightness(0.5)
uh_width, uh_height = unicorn.get_shape()
heights = []
def setup():
global heights
heights = []
for b in range(0, (uh_width - 2)):
heights.append(0)
unicorn.off()
for b in range(0, uh_height):
unicorn.set_pixel(0, b, 255, 255, 255)
for b in range(0, uh_height):
unicorn.set_pixel((uh_width - 1), b, 255, 255, 255)
import csv import json import pprint import binascii import mbe import unicornhat as uh import math import time version = "0.1" rev_limit = 4000 uh.set_layout(uh.AUTO) uh.rotation(0) # tested on pHAT/HAT with rotation 0, 90, 180 & 270 uh.brightness(0.5) u_width,u_height=uh.get_shape() if (mbe.test_mode): variables_to_follow = [ 'RT_ENGINESPEED', 'RT_AIRTEMP1(LIM)', 'RT_COOLANTTEMP1(LIM)', 'RT_BATTERYVOLTAGE(LIM)', 'RT_SOFTCUTTIME', 'RT_HARDCUTTIME' ] else: variables_to_follow = [ # 'RT_THROTTLESITE1', # 'RT_BATTERYVOLTAGECOMP', # 'RT_IGNITIONADVANCEBANK1',
def __init__(self, unicorn: unicorn):
self.phat = unicorn
self.width, self.height = unicorn.get_shape()
print('pHAT dimensions %d x %d' % (self.width, self.height))
uh.set_layout(uh.AUTO)
uh.brightness(0.6)
sprites = [{
"index": 0,
"name": "one",
"dx": 0.05,
"colour": "#abcdef"
}, {
"index": 1,
"name": "two",
"dx": 0.07,
"colour": "#fedcba"
}]
w, h = uh.get_shape()
# We want to be efficient about calculating distances
# But at a high enough resolution to look smooth
# So precalculate and save as a binary file for future
try:
# Load up those distances if they exist
d = pickle.load(open("d.pickle", "rb"))
except (OSError, IOError) as e:
# Or calculate them
# 1 d.p. resolution
wd = [i / 10 for i in range((w + 1) * 10)]
hd = [j / 10 for j in range((h + 1) * 10)]
d = {}
# Could probs use symmetries to speed this up but I only do it once :)
for X in wd:
0b00000000,
0b00111100,
0b00100010,
0b00111100,
0b00101000,
0b00100100,
0b00100010,
],
]
GEAR_NAMES = [
'N', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13',
'14', 'R'
]
WIDTH, HEIGHT = Led_matrix.get_shape()
def draw_gear(gear_index):
""" Draw the gear on the 8x8 display. """
bitmap = GEAR_BITS[gear_index]
for h in range(HEIGHT):
for w in range(WIDTH):
if bitmap[h] & (1 << (7 - w)):
Led_matrix.set_pixel(w, h, 255, 0, 255)
else:
Led_matrix.set_pixel(w, h, 0, 0, 0)
# The rev (RPM %) indicator starts at the bottom left corner (row=7,col=0)and
# ends at the top right corner (row=0,col=7). The color shifts from green
import unicornhat as hat
xRange, yRange = hat.get_shape()
#xRange, yRange = 8,8
hat.set_layout(
hat.AUTO) # rotate based on the orientation of the hat 90-180-270
hat.brightness(0.25)
import sys, termios, tty
import random
import time
red = [255, 0, 0] # define some colours
green = [0, 255, 0]
blue = [0, 0, 255]
off = [0, 0, 0]
class Snake:
def __init__(self, x, y):
self.pos = [[x, y]]
def show(self):
for y in reversed(range(yRange)):
for x in range(xRange):
coord = [x + 1, y + 1]
if coord in self.pos:
if coord == self.pos[0]:
hat.set_pixel(x, y, *blue)
else:
hat.set_pixel(x, y, *red)
elif coord == food:
def init():
global width, height
unicorn.set_layout(unicorn.AUTO)
unicorn.rotation(0)
unicorn.brightness(0.5)
width, height=unicorn.get_shape()
def __init__(self):
uh.set_layout(uh.AUTO)
uh.brightness(0.5)
self.width, self.height = uh.get_shape()
def show_colour_on_unicorn(RGB):
width,height = unicorn.get_shape()
for y in range(height):
for x in range(width):
unicorn.set_pixel(x,y,RGB[0], RGB[1], RGB[2])
unicorn.show()
def handle_command(cmd):
global width, height
if cmd is not None:
cmd = cmd.strip()
if cmd.startswith("all") and ":" in cmd:
cmd, data = cmd.split(":")
r, g, b = [int(x) for x in data.split(",")]
for x in range(width):
for y in range(height):
unicornhat.set_pixel(x, y, r, g, b)
unicornhat.show()
return
# Expects a message formatted like: pixel.x.y:r,g,b
if cmd.startswith("pixel.") and ":" in cmd:
cmd, data = cmd.split(":")
cmd = cmd.split(".")
if len(cmd) == 3:
cmd, x, y = cmd
else:
cmd, x = cmd
y = 0
pixels = [int(p) for p in data.split(",")]
x, y = int(x), int(y)
while len(pixels) > 0:
unicornhat.set_pixel(x, y, pixels.pop(0), pixels.pop(0),
pixels.pop(0))
x += 1
if x > 7:
x = 0
y += 1
if y > 7:
y = 0
unicornhat.show()
return
if cmd == "hat":
unicornhat.set_layout(unicornhat.HAT)
width, height = unicornhat.get_shape()
return
if cmd == "phat":
unicornhat.set_layout(unicornhat.PHAT)
width, height = unicornhat.get_shape()
return
if cmd == "clear":
unicornhat.clear()
unicornhat.show()
if cmd == "stop":
stdin.stop()
running = False
import time import json import requests import time import unicornhat as unicorn import urllib3 import socket import commands urllib3.disable_warnings() unicorn.set_layout(unicorn.PHAT) unicorn.rotation(180) unicorn.brightness(0.4) height,width=unicorn.get_shape() #APIC Log In apic = '172.26.18.9' username = '******' password = '******' #Test to show if display is working. def show_icon(timedel): unicorn.set_pixel(0,0,0,0,255) unicorn.set_pixel(0,3,0,0,255) unicorn.set_pixel(7,0,0,0,255) unicorn.set_pixel(7,3,0,0,255)
def run(params):
width, height = unicorn.get_shape()
size = width * height
class GameOfLife:
def __init__(self):
self.board = [int(7 * random.getrandbits(1)) for _ in xrange(size)]
self.color = [[154, 154, 174], [0, 0, 255], [0, 0, 200],
[0, 0, 160], [0, 0, 140], [0, 0, 90], [0, 0, 60],
[
0,
0,
0,
]]
def value(self, x, y):
index = ((x % width) * height) + (y % height)
return self.board[index]
def neighbors(self, x, y):
sum = 0
for i in xrange(3):
for j in xrange(3):
if i == 1 and j == 1:
continue
if self.value(x + i - 1, y + j - 1) == 0:
sum = sum + 1
return sum
def next_generation(self):
new_board = [False] * size
for i in xrange(width):
for j in xrange(height):
neigh = self.neighbors(i, j)
lvl = self.value(i, j)
if lvl == 0:
if neigh < 2:
new_board[i * height + j] = min(7, lvl + 1)
elif 2 <= neigh <= 3:
new_board[i * height + j] = 0
else:
new_board[i * height + j] = min(7, lvl + 1)
else:
if neigh == 3:
new_board[i * height + j] = 0
else:
new_board[i * height + j] = min(7, lvl + 1)
self.board = new_board
def all_dead(self):
for i in xrange(size):
if self.board[i] != 7:
return False
return True
def show_board(self):
for i in xrange(width):
for j in xrange(height):
rgb = self.color[self.value(i, j)]
unicorn.set_pixel(i, j, rgb[0], rgb[1], rgb[2])
unicorn.show()
life = GameOfLife()
while not life.all_dead():
life.next_generation()
life.show_board()
time.sleep(0.05)
def run(params):
width,height=unicorn.get_shape()
rows = []
global row_pointer
row_pointer = 0
def init():
# create a buffer of <height> blank rows
for i in range(height):
rows.append(get_blank_row())
def get_blank_row():
# generate a blank row
return [0] * width
def get_new_row():
# get a new blank row and add a random brightness snowflake to a random column
row = get_blank_row()
row[randint(0, width - 1)] = 50 + randint(0, 155)
return row
def update_display():
# keep track of the row we are updating
c = row_pointer
for h in range(height):
for w in range(width):
# val is between 50 and 255
val = rows[c][w]
# invert coordinates
unicorn.set_pixel((width - 1) - w, (height - 1) - h, val, val, val)
c += 1
if c > height - 1:
c = 0
unicorn.show()
def step():
global row_pointer
# add new row at current row pointer
# leave other rows the same, display will start from this one which overwrites the
# oldest existing row from the last time we updated the display
rows[row_pointer] = get_new_row()
update_display()
# determine next row pointer, wrapping around if we went past zero
row_pointer -= 1
if row_pointer < 0:
row_pointer = height - 1
init()
while True:
step()
sleep(0.3)
def init(self):
unicorn.set_layout(unicorn.AUTO)
self.set_rotate()
self.set_brightness()
self.cols, self.rows = unicorn.get_shape()
# -*- coding: utf-8 -*-
# https://github.com/vaab/colour
from colour import Color
# for unicorn hat
import unicornhat as unicorn
import time
COLOFFSET = 0
unicorn.set_layout(unicorn.PHAT)
unicorn.rotation(0)
unicorn.brightness(0.3)
hatWidth, hatHeight = unicorn.get_shape()
cc1 = Color(rgb=(1, 0, 0))
cc2 = Color(rgb=(0.95, 0, 0.05))
locPal1 = list(cc1.range_to(cc2, hatWidth * hatHeight))
print locPal1
ii = 0
for yy in range(hatHeight):
for xx in range(hatWidth):
locCols = locPal1[ii].rgb
ii = ii + 1
r = locCols[0] * 255
g = locCols[1] * 255
import time
import unicornhat as unicorn
print("""Demo
This pixel shading demo transitions between 4 classic graphics demo effects.
If you're using a Unicorn HAT and only half the screen lights up,
edit this example and change 'unicorn.AUTO' to 'unicorn.HAT' below.
""")
unicorn.set_layout(unicorn.HAT)
unicorn.rotation(0) # tested on pHAT/HAT with rotation 0, 90, 180 & 270
unicorn.brightness(0.5)
u_width, u_height = unicorn.get_shape()
# twisty swirly goodness
def swirl(x, y, step):
x -= (u_width / 2)
y -= (u_height / 2)
dist = math.sqrt(pow(x, 2) + pow(y, 2)) / 2.0
angle = (step / 10.0) + (dist * 1.5)
s = math.sin(angle)
c = math.cos(angle)
xs = x * c - y * s
ys = x * s + y * c
import sys
import time
import numpy
import signal
import datetime
import pixelarized
import unicornhat as unicorn
unicorn.set_layout(unicorn.AUTO)
unicorn.rotation(180)
unicorn.brightness(0.2)
numpy.random.rand(*unicorn.get_shape())
unicorn.show()
def draw_pixels(element, offset_x, offset_y, color):
y = 0
for element_slice in element:
for x in [x for x, char in enumerate(element_slice) if char == "â–ˆ"]:
unicorn.set_pixel(x + offset_x, y + offset_y, *color)
y += 1
def killing_me_softly(signal, frame):
unicorn.off()
sys.exit(0)
signal.signal(signal.SIGTERM, killing_me_softly)
while True:
hour = datetime.datetime.now().hour
def paint(r, g, b, t):
unicorn.set_layout(unicorn.HAT)
unicorn.rotation(0)
unicorn.brightness(0.5)
width, height = unicorn.get_shape()
frameTime = .1 # the number of seconds for each frame
iterations = int(round(t / frameTime, 0))
unicorn.off() # turn off all of the led's
# vars used for the 2nd inner most circle
c2LeadingX = 2
c2LeadingY = 4
c2TrailingX = 5
c2TrailingY = 4
# vars used for the 3rd inner most circle
c3LeadingX = 2
c3LeadingY = 1
c3TrailingX = 2
c3TrailingY = 6
# vars used for the 4th inner most circle
c4LeadingX = 6
c4LeadingY = 7
c4TrailingX = 6
c4TrailingY = 0
for i in range(iterations):
# handle the inner circle (1 of 4), counter-clockwise
if i % 4 == 0:
unicorn.set_pixel(4, 4, r, g, b) # turn one led on
unicorn.set_pixel(3, 4, 0, 0, 0) # turn one led off
elif i % 4 == 1:
unicorn.set_pixel(4, 3, r, g, b) # turn one led on
unicorn.set_pixel(4, 4, 0, 0, 0) # turn one led off
elif i % 4 == 2:
unicorn.set_pixel(3, 3, r, g, b) # turn one led on
unicorn.set_pixel(4, 3, 0, 0, 0) # turn one led off
else:
unicorn.set_pixel(3, 4, r, g, b) # turn one led on
unicorn.set_pixel(3, 3, 0, 0, 0) # turn one led off
# handle the 2nd inner most circle (2 of 4), counter-clockwise
if i == 0:
unicorn.set_pixel(5, 4, r, g, b) # turn eight led's on to start
unicorn.set_pixel(5, 3, r, g, b)
unicorn.set_pixel(5, 2, r, g, b)
unicorn.set_pixel(4, 2, r, g, b)
unicorn.set_pixel(3, 2, r, g, b)
unicorn.set_pixel(2, 2, r, g, b)
unicorn.set_pixel(2, 3, r, g, b)
unicorn.set_pixel(2, 4, r, g, b)
else:
unicorn.set_pixel(c2TrailingX, c2TrailingY, 0, 0,
0) # turn off the trailing led
if 5 <= (c2LeadingX + c2LeadingY
) <= 10 and c2LeadingX >= c2LeadingY: # going down
if c2LeadingY == 2:
c2LeadingX -= 1 # iterate the leading X value
else:
c2LeadingY -= 1 # iterate the leading Y value
else: # going up
if c2LeadingY == 5:
c2LeadingX += 1 # iterate the leading X value
else:
c2LeadingY += 1 # iterate the leading Y value
unicorn.set_pixel(c2LeadingX, c2LeadingY, r, g,
b) # turn on the new leading led
if 5 <= (c2TrailingX + c2TrailingY
) <= 10 and c2TrailingX >= c2TrailingY: # going down
if c2TrailingY == 2:
c2TrailingX -= 1 # iterate the trailing X value
else:
c2TrailingY -= 1 # iterate the trailing Y value
else: # going up
if c2TrailingY == 5:
c2TrailingX += 1 # iterate the trailing X value
else:
c2TrailingY += 1 # iterate the trailing Y value
# handle the 3rd inner most circle (3 of 4), counter-clockwise
if i == 0:
unicorn.set_pixel(2, 1, r, g, b) # turn fourteen led's on to start
unicorn.set_pixel(3, 1, r, g, b)
unicorn.set_pixel(4, 1, r, g, b)
unicorn.set_pixel(5, 1, r, g, b)
unicorn.set_pixel(6, 1, r, g, b)
unicorn.set_pixel(6, 2, r, g, b)
unicorn.set_pixel(6, 3, r, g, b)
unicorn.set_pixel(6, 4, r, g, b)
unicorn.set_pixel(6, 5, r, g, b)
unicorn.set_pixel(6, 6, r, g, b)
unicorn.set_pixel(5, 6, r, g, b)
unicorn.set_pixel(4, 6, r, g, b)
unicorn.set_pixel(3, 6, r, g, b)
unicorn.set_pixel(2, 6, r, g, b)
else:
unicorn.set_pixel(c3TrailingX, c3TrailingY, 0, 0,
0) # turn off the trailing led
if 3 <= (c3LeadingX + c3LeadingY
) <= 12 and c3LeadingX >= c3LeadingY: # going down
if c3LeadingY == 1:
c3LeadingX -= 1 # iterate the leading X value
else:
c3LeadingY -= 1 # iterate the leading Y value
else: # going up
if c3LeadingY == 6:
c3LeadingX += 1 # iterate the leading X value
else:
c3LeadingY += 1 # iterate the leading Y value
unicorn.set_pixel(c3LeadingX, c3LeadingY, r, g,
b) # turn on the new leading led
if 3 <= (c3TrailingX + c3TrailingY
) <= 13 and c3TrailingX >= c3TrailingY: # going down
if c3TrailingY == 1:
c3TrailingX -= 1 # iterate the trailing X value
else:
c3TrailingY -= 1 # iterate the trailing Y value
else: # going up
if c3TrailingY == 6:
c3TrailingX += 1 # iterate the trailing X value
else:
c3TrailingY += 1 # iterate the trailing Y value
# handle the 4th inner most circle (4 of 4), counter-clockwise
if i == 0:
unicorn.set_pixel(6, 0, r, g, b) # turn twenty led's on to start
unicorn.set_pixel(5, 0, r, g, b)
unicorn.set_pixel(4, 0, r, g, b)
unicorn.set_pixel(3, 0, r, g, b)
unicorn.set_pixel(2, 0, r, g, b)
unicorn.set_pixel(1, 0, r, g, b)
unicorn.set_pixel(0, 0, r, g, b)
unicorn.set_pixel(0, 1, r, g, b)
unicorn.set_pixel(0, 2, r, g, b)
unicorn.set_pixel(0, 3, r, g, b)
unicorn.set_pixel(0, 4, r, g, b)
unicorn.set_pixel(0, 5, r, g, b)
unicorn.set_pixel(0, 6, r, g, b)
unicorn.set_pixel(0, 7, r, g, b)
unicorn.set_pixel(1, 7, r, g, b)
unicorn.set_pixel(2, 7, r, g, b)
unicorn.set_pixel(3, 7, r, g, b)
unicorn.set_pixel(4, 7, r, g, b)
unicorn.set_pixel(5, 7, r, g, b)
unicorn.set_pixel(6, 7, r, g, b)
else:
unicorn.set_pixel(c4TrailingX, c4TrailingY, 0, 0,
0) # turn off the trailing led
if 1 <= (c4LeadingX + c4LeadingY
) <= 14 and c4LeadingX >= c4LeadingY: # going down
if c4LeadingY == 0:
c4LeadingX -= 1 # iterate the leading X value
else:
c4LeadingY -= 1 # iterate the leading Y value
else: # going up
if c4LeadingY == 7:
c4LeadingX += 1 # iterate the leading X value
else:
c4LeadingY += 1 # iterate the leading Y value
unicorn.set_pixel(c4LeadingX, c4LeadingY, r, g,
b) # turn on the new leading led
if 1 <= (c4TrailingX + c4TrailingY
) <= 14 and c4TrailingX >= c4TrailingY: # going down
if c4TrailingY == 0:
c4TrailingX -= 1 # iterate the trailing X value
else:
c4TrailingY -= 1 # iterate the trailing Y value
else: # going up
if c4TrailingY == 7:
c4TrailingX += 1 # iterate the trailing X value
else:
c4TrailingY += 1 # iterate the trailing Y value
unicorn.show()
time.sleep(frameTime)
""" Displays a knight rider animation on the hat"""
# -- setup
import time
import unicornhat as unicorn
unicorn.set_layout(unicorn.AUTO)
unicorn.rotation(180)
unicorn.brightness(0.5)
WIDTH, HEIGHT = unicorn.get_shape()
# -- globals
# define a list of reds to use to light up the pixels
# this can be tinkered with to produce something that looks better
color_range = [(110, 0, 0), (150, 0, 0), (220, 0, 0), (255, 0, 0), (255, 0, 0),
(220, 0, 0), (150, 0, 0), (110, 0, 0)]
# -- functions
def light_up_row(palette, start_value):
""" lights up all the rows on the hat:
loops over the columns on the hat, if this is in the
allowed range (0 -> 7) light up those pixels using the palette
provided.
The inner loop just applies the coloring to all rows of the hat
"""
# End for hue
print('')
return # End def d2xy_walk
#*****************************************************************************80
#
## The MAIN program starts HERE
# If being run as the primary program (not a module)
if (__name__ == '__main__'):
# Set up Unicorn HAT
uh.set_layout(uh.HAT) # Set layout to 8x8 Unicorn HAT - Default anyway?
u_width, u_height = uh.get_shape() # Get the shape
uh.rotation(0) # Set rotation
uh.brightness(0.5) # Set the brightness
uh.off # Clear the board
timestamp() # Timestamp the start
# Run the Walk?
d2xy_walk()
timestamp() # Timestamp the end
## End of the File
import time
import unicornhat
API_PATH_PREFIX = 'api'
NUM_HASH_FUNCTIONS = 3
COLOR_BIT_SET = (255, 0, 0)
COLOR_BIT_WRITING = (0, 255, 0)
COLOR_BIT_QUERYING = (0, 0, 255)
NUM_TRANSITIONS = 4
app = Flask(__name__)
unicornhat.set_layout(unicornhat.AUTO)
unicornhat.rotation(180)
unicornhat.brightness(0.19)
unicorn_width, unicorn_height = unicornhat.get_shape()
unicornhat.off()
NUM_LEDS = unicorn_width * unicorn_height
def get_led_position(led):
unicorn_width, unicorn_height = unicornhat.get_shape()
return (led % unicorn_height, led // unicorn_width)
def toggle_leds(leds, transition_color, new_color):
orig_colors = []
for led in leds:
orig_colors.append(unicornhat.get_pixel(led[0], led[1]))
#!/usr/bin/env python
import unicornhat as unicorn
import time
from random import randint
unicorn.set_layout(unicorn.AUTO)
unicorn.rotation(0)
unicorn.brightness(0.4)
uh_width,uh_height=unicorn.get_shape()
heights = []
def setup():
global heights
heights = []
for b in range(0, (uh_width-2)):
heights.append(0)
unicorn.off()
for b in range(0, uh_height):
unicorn.set_pixel(0, b, 255, 255, 255)
for b in range(0, uh_height):
unicorn.set_pixel((uh_width-1), b, 255, 255, 255)
for b in range(1, (uh_width-1)):
unicorn.set_pixel(b, 0, 255, 255, 255)
unicorn.show()
def drop_ball():
def get_led_position(led):
unicorn_width, unicorn_height = unicornhat.get_shape()
return (led % unicorn_height, led // unicorn_width)
def run(params):
u_width,u_height=unicorn.get_shape()
# twisty swirly goodness
def swirl(x, y, step):
x -= (u_width/2)
y -= (u_height/2)
dist = math.sqrt(pow(x, 2)+pow(y,2)) / 2.0
angle = (step / 10.0) + (dist * 1.5)
s = math.sin(angle);
c = math.cos(angle);
xs = x * c - y * s;
ys = x * s + y * c;
r = abs(xs + ys)
r = r * 64.0
r -= 20
return (r, r + (s * 130), r + (c * 130))
# roto-zooming checker board
def checker(x, y, step):
x -= (u_width/2)
y -= (u_height/2)
angle = (step / 10.0)
s = math.sin(angle);
c = math.cos(angle);
xs = x * c - y * s;
ys = x * s + y * c;
xs -= math.sin(step / 200.0) * 40.0
ys -= math.cos(step / 200.0) * 40.0
scale = step % 20
scale /= 20
scale = (math.sin(step / 50.0) / 8.0) + 0.25;
xs *= scale
ys *= scale
xo = abs(xs) - int(abs(xs))
yo = abs(ys) - int(abs(ys))
l = 0 if (math.floor(xs) + math.floor(ys)) % 2 else 1 if xo > .1 and yo > .1 else .5
r, g, b = colorsys.hsv_to_rgb((step % 255) / 255.0, 1, l)
return (r * 255, g * 255, b * 255)
# weeee waaaah
def blues_and_twos(x, y, step):
x -= (u_width/2)
y -= (u_height/2)
xs = (math.sin((x + step) / 10.0) / 2.0) + 1.0
ys = (math.cos((y + step) / 10.0) / 2.0) + 1.0
scale = math.sin(step / 6.0) / 1.5
r = math.sin((x * scale) / 1.0) + math.cos((y * scale) / 1.0)
b = math.sin(x * scale / 2.0) + math.cos(y * scale / 2.0)
g = r - .8
g = 0 if g < 0 else g
b -= r
b /= 1.4
return (r * 255, (b + g) * 255, g * 255)
# rainbow search spotlights
def rainbow_search(x, y, step):
xs = math.sin((step) / 100.0) * 20.0
ys = math.cos((step) / 100.0) * 20.0
scale = ((math.sin(step / 60.0) + 1.0) / 5.0) + 0.2
r = math.sin((x + xs) * scale) + math.cos((y + xs) * scale)
g = math.sin((x + xs) * scale) + math.cos((y + ys) * scale)
b = math.sin((x + ys) * scale) + math.cos((y + ys) * scale)
return (r * 255, g * 255, b * 255)
# zoom tunnel
def tunnel(x, y, step):
speed = step / 100.0
x -= (u_width/2)
y -= (u_height/2)
xo = math.sin(step / 27.0) * 2
yo = math.cos(step / 18.0) * 2
x += xo
y += yo
if y == 0:
if x < 0:
angle = -(math.pi / 2)
else:
angle = (math.pi / 2)
else:
angle = math.atan(x / y)
if y > 0:
angle += math.pi
angle /= 2 * math.pi # convert angle to 0...1 range
shade = math.sqrt(math.pow(x, 2) + math.pow(y, 2)) / 2.1
shade = 1 if shade > 1 else shade
angle += speed
depth = speed + (math.sqrt(math.pow(x, 2) + math.pow(y, 2)) / 10)
col1 = colorsys.hsv_to_rgb((step % 255) / 255.0, 1, .8)
col2 = colorsys.hsv_to_rgb((step % 255) / 255.0, 1, .3)
col = col1 if int(abs(angle * 6.0)) % 2 == 0 else col2
td = .3 if int(abs(depth * 3.0)) % 2 == 0 else 0
col = (col[0] + td, col[1] + td, col[2] + td)
col = (col[0] * shade, col[1] * shade, col[2] * shade)
return (col[0] * 255, col[1] * 255, col[2] * 255)
effects = [tunnel, rainbow_search, checker, swirl]
step = 0
while True:
for i in range(500):
for y in range(u_height):
for x in range(u_width):
r, g, b = effects[0](x, y, step)
if i > 400:
r2, g2, b2 = effects[-1](x, y, step)
ratio = (500.00 - i) / 100.0
r = r * ratio + r2 * (1.0 - ratio)
g = g * ratio + g2 * (1.0 - ratio)
b = b * ratio + b2 * (1.0 - ratio)
r = int(max(0, min(255, r)))
g = int(max(0, min(255, g)))
b = int(max(0, min(255, b)))
unicorn.set_pixel(x, y, r, g, b)
step += 1
unicorn.show()
time.sleep(0.01)
effect = effects.pop()
effects.insert(0, effect)
import unicornhat as hat
from time import sleep
hat.rotation(90)
hat.brightness(0.4)
width,height = hat.get_shape() # Universal for hat and hatHD 8x8 or 16x16 grids
red = (255, 0, 0)
def display(duration):
hat.show()
sleep(duration)
pixel = 1
xLower = 0
xUpper = width - 1
yLower = 0
yUpper = height - 1
while xUpper > xLower:
for y in range(yLower,yUpper + 1):
hat.set_pixel_hsv(xLower, y, (1 / (width * height) * pixel), 1, 1)
display(0.2)
pixel += 1
xLower += 1
for x in range(xLower,xUpper + 1):
hat.set_pixel_hsv(x, yUpper, (1 / (width * height) * pixel), 1, 1)
display(0.2)
pixel += 1
import logging
import unicornhat as uh
import time
logger = logging.getLogger()
logger.setLevel(logging.INFO)
uh.set_layout(uh.PHAT)
width, height = uh.get_shape()
def critical(blink, bright):
logger.info('Red alert for ' + str(blink) + ' s with brightness ' +
str(bright))
light(blink, bright, 255, 0, 0)
return True
def warning(blink, bright):
logger.info('Orange alert for ' + str(blink) + ' s with brightness ' +
str(bright))
light(blink, bright, 255, 129, 0)
return True
def info(blink, bright):
logger.info('Green alert for ' + str(blink) + ' s with brightness ' +
str(bright))
light(blink, bright, 55, 100, 0)
return True
#!/usr/bin/env python
import time
import unicornhat as unicorn
unicorn.set_layout(unicorn.AUTO)
unicorn.rotation(0)
unicorn.brightness(0.3)
width, height = unicorn.get_shape()
print(unicorn.get_shape(), unicorn.AUTO)
for y in range(height):
for x in range(width):
unicorn.set_pixel(x, y, 255, 0, 255)
unicorn.show()
print(x, y)
time.sleep(0.1)
#unicorn.set_pixel(6,0,255,0,255)
#unicorn.show()
#time.sleep(0.5)
unicorn.off()
time.sleep(1)
#!/usr/bin/python
import time
import unicornhat as unicorn
unicorn.set_layout(unicorn.HAT)
unicorn.rotation(0)
unicorn.brightness(0.5)
width,height=unicorn.get_shape()
r = 255
g = 0
b = 0
msleep = lambda x: time.sleep(x / 1000.0)
def next_colour():
global r
global g
global b
if (r == 255 and g < 255 and b == 0):
g += 1
if (g == 255 and r > 0 and b == 0):
r -= 1
if (g == 255 and b < 255 and r == 0):
b += 1
#!/usr/bin/env python
import sys, termios, tty # for getch - single character input
import re # regex parser
import unicornhat as hat
hat.set_layout(hat.AUTO)
hat.rotation(90) # rotate based on the orientation of the hat 90-180-270
hat.brightness(0.25) # setting this too high can result in discomfort
col,row = hat.get_shape() # set the grid size
button_delay = 0.2 # allows hat the time the LEDs need to light
red = [255,0,0] # define some colours
green = [0,255,0]
blue = [0,0,255]
off = [0,0,0]
f = open('8x8ascii', 'r+') # opens 8x8ascii and breaks it into a numbered list
ascii = [line for line in f.readlines()]
f.close()
def getch(): # ref: http://code.activestate.com/recipes/134892/
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
try:
tty.setraw(sys.stdin.fileno())
ch = sys.stdin.read(1)
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
return ch
exit("This script requires the numpy module\nInstall with: sudo pip install numpy")
import unicornhat as unicorn
print("""Random Blinky
Blinks random yellow-orange-red LEDs.
If you're using a Unicorn HAT and only half the screen lights up,
edit this example and change 'unicorn.AUTO' to 'unicorn.HAT' below.
""")
unicorn.set_layout(unicorn.AUTO)
unicorn.rotation(0)
unicorn.brightness(0.4)
width,height=unicorn.get_shape()
while True:
rand_mat = np.random.rand(width,height)
for y in range(height):
for x in range(width):
h = 0.1 * rand_mat[x, y]
s = 0.8
v = rand_mat[x, y]
rgb = colorsys.hsv_to_rgb(h, s, v)
r = int(rgb[0]*255.0)
g = int(rgb[1]*255.0)
b = int(rgb[2]*255.0)
unicorn.set_pixel(x, y, r, g, b)
unicorn.show()
# Background colour
back='black'
# Directory containing message scripts
messages_dir = 'messages'
# Directory containing images
images_dir = 'images'
# Detect HAT or PHAT layout and adapt accordingly
# If yours isn't detected properly, then you may need
# to change the following line to say HAT or PHAT
# instead of AUTO:
unicorn.set_layout(unicorn.AUTO)
geom = unicorn.get_shape()
if (geom[0] != geom[1]):
unicorn.set_layout([
[0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 ],
[8 , 9 , 10, 11, 12, 13, 14, 15],
[16, 17, 18, 19, 20, 21, 22, 23],
[24, 25, 26, 27, 28, 29, 30, 31]
])
step *= 2
def set_brightness(pc):
b = brightness_min + ((brightness_max - brightness_min) * pc / 100.0)
if (b > brightness_max): b = brightness_max
if (b < brightness_min): b = brightness_min
unicorn.brightness(b)
