web_serverHTML.py

   1 import network, socket, time, machine, si7021
   2 from machine import Pin
   3
   4 cat=machine.Pin(14,machine.Pin.OUT)
   5 red=machine.Pin(10,machine.Pin.OUT)
   6 green=machine.Pin(11,machine.Pin.OUT)
   7 sensor=si7021.Si7021(machine.I2C(0,sda=machine.Pin(0),scl=machine.Pin(1)))
   8 temp=si7021.convert_celcius_to_fahrenheit(sensor.temperature)
   9 relHum=sensor.relative_humidity
  10
  11 button = Pin(17,Pin.IN,Pin.PULL_UP) #not implemented at this time
  12
  13 ssid='SSID'
  14 password='PSSWD'
  15
  16 def connect():
  17     wlan=network.WLAN(network.STA_IF)
  18     wlan.active(True)
  19     wlan.connect(ssid,password)
  20     while wlan.isconnected() == False:
  21         print('Waiting for connection...')
  22         time.sleep(1)
  23     ip=wlan.ifconfig()[0]
  24     print(f'Connected on {ip}')
  25     return ip
  26
  27 def open_socket(ip):
  28     address=(ip,80)
  29     connection=socket.socket()
  30     connection.bind(address)
  31     connection.listen(1)
  32     return connection
  33
  34 def get_html(html_name):
  35     with open(html_name, 'r') as file:
  36         html=file.read()
  37     return html
  38
  39 def serve(connection):
  40     state='OFF'
  41     RState='OFF'
  42     GSTate='OFF'
  43
  44     while True:
  45         client=connection.accept()[0]
  46         request=client.recv(1024)
  47         request=str(request)
  48         try:
  49             response=get_html('index.html')
  50             request=request.split()[1]
  51         except IndexError:
  52             pass
  53         if request=='/lighton?':
  54             cat.on()
  55             state='ON'
  56         elif request=='/lightoff?':
  57             cat.off()
  58             state='OFF'
  59         elif request=='/redon?':
  60             red.on()
  61             RState='ON'
  62         elif request=='/redoff?':
  63             red.off()
  64             RState='OFF'
  65         elif request=='/greenon?':
  66             green.on()
  67             GSTate='ON'
  68         elif request=='/greenoff?':
  69             green.off()
  70             GSTate='OFF'
  71
  72         response=response.replace('state', state)
  73         response=response.replace('RState', RState)
  74         response=response.replace('GSTate', GSTate)
  75         response=response.replace('temp', str(temp))
  76         response=response.replace('relHum', str(relHum))
  77         client.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n')
  78         client.send(response)
  79         client.close()
  80
  81 try:
  82     ip=connect()
  83     connection=open_socket(ip)
  84     serve(connection)
  85 except KeyboardInterrupt:
  86     pass