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pilab.py
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pilab.py
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#pip install Flask
#export FLASK_APP=pilab.py
#python -m flask run--host=0.0.0.0 for intranet
#http://0.0.0.0:5000/on
#http://0.0.0.0:5000/off
import time
import RPi.GPIO as GPIO
from flask import Flask, redirect, render_template, request, url_for
app = Flask(__name__)
GPIO.setmode(GPIO.BCM) # Broadcom pin-numbering scheme
ledPin = 20 # Broadcom pin 40
rPin=26
GPIO.setup(ledPin,GPIO.OUT)
GPIO.setup(rPin,GPIO.OUT)
GPIO.output(ledPin,GPIO.LOW)
GPIO.output(rPin,GPIO.LOW)
GPIO.output(ledPin,GPIO.HIGH)
GPIO.output(rPin,GPIO.HIGH)
@app.route('/')
def index():
message = request.args.get("message")
GPIO.output(ledPin, GPIO.HIGH)
time.sleep(1)
GPIO.output(ledPin, GPIO.LOW)
time.sleep(1)
return render_template("index.html", message = message)
@app.route('/off')
def on():
GPIO.output(ledPin, GPIO.HIGH)
time.sleep(3)
GPIO.output(rPin, GPIO.HIGH)
time.sleep(5)
#GPIO.cleanup()
return redirect(url_for('index',message = "Lights are now ON"))
@app.route('/on')
def off():
GPIO.output(ledPin, GPIO.LOW)
time.sleep(2)
GPIO.output(rPin, GPIO.LOW)
time.sleep(2)
#GPIO.cleanup()
return redirect(url_for('index',message = "Lights are now ON"))
if __name__ == '__main__':
app.secret_key = "qwertyuiop"
app.run(debug = True)