2022-01-02 00:40:42 +02:00
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from flask import Flask
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2022-01-02 02:29:31 +02:00
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import RPi.GPIO as gpio
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from time import sleep
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import subprocess
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2022-01-02 03:27:13 +02:00
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import picamera
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import pyshine as ps # pip3 install pyshine==0.0.9
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2022-01-02 00:40:42 +02:00
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2022-01-02 03:27:13 +02:00
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# Camera server
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def camera():
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HTML="""
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<html>
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<head>
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<title>PyShine Live Streaming</title>
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</head>
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<body>
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<center><h1> PyShine Live Streaming using OpenCV </h1></center>
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<center><img src="stream.mjpg" width='640' height='480' autoplay></center>
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</body>
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</html>
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"""
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StreamProps = ps.StreamProps
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StreamProps.set_Page(StreamProps,HTML)
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address = ('0.0.0.0',9000) # Enter your IP address
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StreamProps.set_Mode(StreamProps,'picamera')
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with picamera.PiCamera(resolution='640x480', framerate=30) as camera:
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output = ps.StreamOut()
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StreamProps.set_Output(StreamProps,output)
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camera.rotation = 90
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camera.start_recording(output, format='mjpeg')
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try:
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server = ps.Streamer(address, StreamProps)
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print('Camera serving started at','http://'+address[0]+':'+str(address[1]))
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server.serve_forever()
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finally:
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camera.stop_recording()
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2022-01-02 02:29:31 +02:00
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# MQ-135 gas sensor
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def stinker():
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gpio.setmode(gpio.BCM)
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gpio.setup(4, gpio.IN)
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try:
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if gpio.input(4):
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return False
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else:
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return True
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sleep(2)
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except KeyboardInterrupt:
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print("\n")
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finally:
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print("clean")
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gpio.cleanup()
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# BME280 Humidity, Temperature, Pressure sensor
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def HTP():
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string = subprocess.check_output(["./HTP"]).decode(encoding='UTF-8',errors='strict')
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string = string.split("temperature:")[1]
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temperature = string.split(" pressure:")[0].replace("*C", "C")
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string = string.split(" pressure:")[1]
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pressure = string.split(" humidity:")[0]
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humidity = string.split(" humidity:")[1].replace("\r\n", "")
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result = {
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"temperature":temperature,
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"pressure":pressure,
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"humidity":humidity}
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# for i in string:
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# if i.isdigit():
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# result.append(i)
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return result
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# Flask server
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2022-01-02 00:40:42 +02:00
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app = Flask(__name__)
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@app.route("/")
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def hello_world():
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2022-01-02 02:29:31 +02:00
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return f"<p>{HTP()}</p>"
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2022-01-02 00:40:42 +02:00
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if __name__=="__main__":
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2022-01-02 02:29:31 +02:00
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app.run(host='0.0.0.0')
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