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code-bluefruit.py
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code-bluefruit.py
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# MIT License
#
# Copyright (c) 2020 Mark Komus
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import board
import displayio
import digitalio
import analogio
import adafruit_imageload
import time
import supervisor
from audiomp3 import MP3Decoder
try:
from audioio import AudioOut
except ImportError:
try:
from audiopwmio import PWMAudioOut as AudioOut
except ImportError:
pass # not always supported by every board!
from adafruit_gizmo import tft_gizmo
# configuration
LIGHT_VALUE = 700 # value at which we turn on / off the laughing
MODE_SWITCH_TIME = 0.2 # how long to wait for a changed reading
# to be consistent to change modes
LAUGHING_SPEED = 1.0 # how fast the animation runs
USE_AUDIO = True # if you want to disable audio
USE_ANIMATION = True # if you want to disable animation
# turn the board neopixel off so it does not affect our light sensor
supervisor.set_rgb_status_brightness(0)
# Light sensor to know when to turn on
light = analogio.AnalogIn(board.LIGHT)
# speaker enable if the board supports it
speaker_enable = digitalio.DigitalInOut(board.SPEAKER_ENABLE)
speaker_enable.direction = digitalio.Direction.OUTPUT
speaker_enable.value = True
# Set up audio
audio = AudioOut(board.SPEAKER)
mp3 = open("laugh.mp3", "rb")
decoder = MP3Decoder(mp3)
# set up the display for the board or external
display = tft_gizmo.TFT_Gizmo()
display.brightness = 0.0 # start off
# load the images for the skull
bitmap_top, palette_top = adafruit_imageload.load("/skull_top.bmp",
bitmap=displayio.Bitmap,
palette=displayio.Palette)
bitmap_close, palette_close = adafruit_imageload.load("/skull_close.bmp",
bitmap=displayio.Bitmap,
palette=displayio.Palette)
bitmap_open, palette_open = adafruit_imageload.load("/skull_open.bmp",
bitmap=displayio.Bitmap,
palette=displayio.Palette)
bitmap_middle, palette_middle = adafruit_imageload.load("/skull_middle.bmp",
bitmap=displayio.Bitmap,
palette=displayio.Palette)
# Create the TileGrids for the skull picture
skull_top = displayio.TileGrid(bitmap_top, pixel_shader=palette_top)
skull_top.x = 53 # center on the display
skull_top.y = 10 # little down from the top
skull_close = displayio.TileGrid(bitmap_close, pixel_shader=palette_close)
skull_close.x = 61 # align with the top
skull_close.y=135
skull_open = displayio.TileGrid(bitmap_open, pixel_shader=palette_open)
skull_open.x = 61 # align with the top
skull_open.y=135
skull_middle = displayio.TileGrid(bitmap_middle, pixel_shader=palette_middle)
skull_middle.x = 62 # align with the top
skull_middle.y=135
# Create a Group to hold the TileGrids
group = displayio.Group()
# Add the skull top to the Group
group.append(skull_top)
group.append(skull_middle) # start with the mouth partly open
# Add the Group to the Display
display.show(group)
# Turn off auto_refresh to save on processing time on slower boards
display.auto_refresh=False
display.refresh()
mode = "waiting" # set mode to waiting or laughing
new_mode = True # set True if we have switched modes
# light values must change for enough time to remove bouncing
# where the light may on the border of a change
switch_timer = 0
switching_to_mode = ""
# animation counters
current_frame = 3
last_frame_time = 0
while True:
lvalue = light.value # this can change rapidly so choose one value
# high amount of light
if lvalue >= LIGHT_VALUE:
if mode is "laughing" and switching_to_mode is "waiting":
switch_timer = 0
switching_to_mode = ""
if mode is "waiting":
if switch_timer == 0:
switch_timer = time.monotonic()
switching_to_mode = "laughing"
if switching_to_mode is "laughing" and (time.monotonic() - switch_timer) > MODE_SWITCH_TIME:
print("Switch mode on light to laughing: ", lvalue)
switch_timer = 0
switching_to_mode = ""
mode = "laughing"
new_mode = True
# low amount of light (dark)
elif lvalue < LIGHT_VALUE:
if mode is "waiting" and switching_to_mode is "laughing":
switch_timer = 0
switching_to_mode = ""
if mode is "laughing":
if switch_timer == 0:
switch_timer = time.monotonic()
switching_to_mode = "waiting"
if switching_to_mode is "waiting" and (time.monotonic() - switch_timer) > MODE_SWITCH_TIME:
print("Switch mode on light to waiting: ", light.value)
mode = "waiting"
new_mode = True
switch_timer = 0
if mode is "waiting":
if new_mode is True:
display.brightness = 0
if USE_AUDIO is True:
audio.stop()
display.refresh()
new_mode = False
if mode is "laughing":
if new_mode is True:
display.brightness = 1.0
if USE_AUDIO is True:
audio.play(decoder, loop=True)
display.refresh()
new_mode = False
# Make the skull laugh open/close once
if USE_ANIMATION is True:
if (time.monotonic() - last_frame_time) > LAUGHING_SPEED:
current_frame = (current_frame + 1) % 4
if current_frame is 0:
group.remove(skull_middle)
group.append(skull_close)
elif current_frame is 1:
group.remove(skull_close)
group.append(skull_middle)
elif current_frame is 2:
group.remove(skull_middle)
group.append(skull_open)
elif current_frame is 3:
group.remove(skull_open)
group.append(skull_middle)
display.refresh()
last_frame_time = time.monotonic()