from flask import Flask, render_template, send_from_directory
from flask_socketio import SocketIO, emit
from plotbot import PlotBot
from time import sleep, time
from threading import Thread
from gpiozero import Button
app = Flask(__name__)
socketio = SocketIO(app, async_mode='threading')
bot = PlotBot()
user_id = None
timestamp = None
background_thread = None
background_run = True
lines = []
def reset():
global user_id, lines
user_id = None
lines = []
socketio.emit('reset')
notify()
button = Button(18, pull_up=True, hold_time=2)
button.when_held = reset
def notify(broadcast=True):
global user_id
from plotbot import PlotBot
from time import sleep
def drange(start, stop, step):
r = start
while True:
yield r
r += step
if start < stop and r > stop or start > stop and r < stop:
break
b = PlotBot()
def rect(x1, y1, x2, y2):
for x in drange(x1, x2, 0.1):
b.goto([x, y1])
sleep(.0005)
for y in drange(y1, y2, 0.1):
b.goto([x2, y])
sleep(.0005)
for x in drange(x2, x1, -0.1):
b.goto([x, y2])
sleep(.0005)
for y in drange(y2, y1, -0.1):
b.goto([x1, y])
sleep(.0005)
