8 |
9 |
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/http_webserver.py:
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1 | #!/usr/bin/env python3
2 |
3 | import RPi.GPIO as GPIO
4 | import os
5 | from http.server import BaseHTTPRequestHandler, HTTPServer
6 |
7 | host_name = '10.0.0.184' # IP Address of Raspberry Pi
8 | host_port = 8000
9 |
10 |
11 | def setupGPIO():
12 | GPIO.setmode(GPIO.BCM)
13 | GPIO.setwarnings(False)
14 |
15 | GPIO.setup(18, GPIO.OUT)
16 |
17 |
18 | def getTemperature():
19 | temp = os.popen("/opt/vc/bin/vcgencmd measure_temp").read()
20 | return temp
21 |
22 |
23 | class MyServer(BaseHTTPRequestHandler):
24 |
25 | def do_HEAD(self):
26 | self.send_response(200)
27 | self.send_header('Content-type', 'text/html')
28 | self.end_headers()
29 |
30 | def _redirect(self, path):
31 | self.send_response(303)
32 | self.send_header('Content-type', 'text/html')
33 | self.send_header('Location', path)
34 | self.end_headers()
35 |
36 | def do_GET(self):
37 | html = '''
38 |
39 |
41 | Current GPU temperature is {}
43 | 48 | 49 | 50 | ''' 51 | temp = getTemperature() 52 | self.do_HEAD() 53 | self.wfile.write(html.format(temp[5:]).encode("utf-8")) 54 | 55 | def do_POST(self): 56 | 57 | content_length = int(self.headers['Content-Length']) 58 | post_data = self.rfile.read(content_length).decode("utf-8") 59 | post_data = post_data.split("=")[1] 60 | 61 | setupGPIO() 62 | 63 | if post_data == 'On': 64 | GPIO.output(18, GPIO.HIGH) 65 | else: 66 | GPIO.output(18, GPIO.LOW) 67 | 68 | print("LED is {}".format(post_data)) 69 | self._redirect('/') # Redirect back to the root url 70 | 71 | 72 | # # # # # Main # # # # # 73 | 74 | if __name__ == '__main__': 75 | http_server = HTTPServer((host_name, host_port), MyServer) 76 | print("Server Starts - %s:%s" % (host_name, host_port)) 77 | 78 | try: 79 | http_server.serve_forever() 80 | except KeyboardInterrupt: 81 | http_server.server_close() 82 | -------------------------------------------------------------------------------- /led.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | 3 | import RPi.GPIO as GPIO 4 | import os 5 | 6 | 7 | def setupGPIO(): 8 | GPIO.setmode(GPIO.BCM) 9 | GPIO.setwarnings(False) 10 | 11 | GPIO.setup(18, GPIO.OUT) 12 | 13 | 14 | def printTemperature(): 15 | temp = os.popen("/opt/vc/bin/vcgencmd measure_temp").read() 16 | print("GPU temperature is {}".format(temp[5:])) 17 | 18 | 19 | def controlLED(): 20 | try: 21 | while True: 22 | user_input = input( 23 | "Turn LED On or Off with 1 or 0 (Ctrl-C to exit): ") 24 | if user_input is "1": 25 | GPIO.output(18, GPIO.HIGH) 26 | print("LED is on") 27 | elif user_input is "0": 28 | GPIO.output(18, GPIO.LOW) 29 | print("LED is off") 30 | except KeyboardInterrupt: 31 | GPIO.cleanup() 32 | print("") 33 | 34 | 35 | setupGPIO() 36 | printTemperature() 37 | 38 | controlLED() 39 | --------------------------------------------------------------------------------