73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
import RPi.GPIO as GPIO
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from flask import Flask, render_template, request
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from src.pins import pins_out, pins_in, pins_pwm
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kamera_server = Flask(__name__)
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GPIO.setmode(GPIO.BCM)
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GPIO.setwarnings(False)
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# Create a dictionary called pins to store the pin number, name, and pin state:
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pins = {
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2 : {'name' : 'GPIO 2', 'state' : GPIO.HIGH},
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3 : {'name' : 'GPIO 3', 'state' : GPIO.HIGH}
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}
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# Set each pin as an output and make it low:
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for pin in pins:
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GPIO.setup(pin, GPIO.OUT)
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GPIO.output(pin, GPIO.HIGH)
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for pin in pins_in:
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GPIO.setup(pins_in[pin]['nr'], GPIO.IN)
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@kamera_server.route("/")
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def main():
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# For each pin, read the pin state and store it in the pins dictionary:
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for pin in pins:
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pins[pin]['state'] = GPIO.input(pin)
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for pin in pins_in:
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pins_in[pin]['state'] = GPIO.input(pins_in[pin]['nr'])
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# Put the pin dictionary into the template data dictionary:
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templateData = {
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'pins' : pins,
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'pins_in' : pins_in
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}
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# Pass the template data into the template main.html and return it to the user
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return render_template('main.html', **templateData)
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# The function below is executed when someone requests a URL with the pin number and action in it:
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@kamera_server.route("/<changePin>/<action>")
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def action(changePin, action):
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# Convert the pin from the URL into an integer:
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changePin = int(changePin)
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# Get the device name for the pin being changed:
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deviceName = pins[changePin]['name']
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# If the action part of the URL is "on," execute the code indented below:
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if action == "on":
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# Set the pin high:
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GPIO.output(changePin, GPIO.HIGH)
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# Save the status message to be passed into the template:
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message = "Turned " + deviceName + " on."
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if action == "off":
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GPIO.output(changePin, GPIO.LOW)
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message = "Turned " + deviceName + " off."
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# For each pin, read the pin state and store it in the pins dictionary:
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for pin in pins:
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pins[pin]['state'] = GPIO.input(pin)
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for pin in pins_in:
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pins_in[pin]['state'] = GPIO.input(pins_in[pin]['nr'])
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# Along with the pin dictionary, put the message into the template data dictionary:
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templateData = {
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'pins' : pins,
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'pins_in' : pins_in
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}
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return render_template('main.html', **templateData)
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if __name__ == "__main__":
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kamera_server.run(host='0.0.0.0')
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