2024年6月18日 星期二

機智雲開發板的網路輸出控制



硬體：機智雲開發板

參考程式：MicroPython – Getting Started with MQTT on ESP32/ESP8266

燒錄暨編寫工具：uPyCraft

boot.py：

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# Complete project details at https://RandomNerdTutorials.com

try:
  import usocket as socket
except:
  import socket

from machine import Pin, PWM
import network

import esp
esp.osdebug(None)

import gc
gc.collect()

ssid = 'cmlin2'
password = '0928931103'

station = network.WLAN(network.STA_IF)

station.active(True)
station.connect(ssid, password)

while station.isconnected() == False:
  pass

print('Connection successful')
print(station.ifconfig())

led = Pin(2, Pin.OUT)

main.py：

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import time
# Complete project details at https://RandomNerdTutorials.com

def web_page():
  if led.value() == 1:
    gpio_state="ON"
  else:
    gpio_state="OFF"
  
  html = """<html><head> <title>ESP Web Server</title> <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="icon" href="data:,"> <style>html{font-family: Helvetica; display:inline-block; margin: 0px auto; text-align: center;}
  h1{color: #0F3376; padding: 2vh;}p{font-size: 1.5rem;}.button{display: inline-block; background-color: #e7bd3b; border: none; 
  border-radius: 4px; color: white; padding: 16px 40px; text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}
  .button2{background-color: #4286f4;}</style></head><body> <h1>ESP Web Server</h1> 
  <p>GPIO state: <strong>""" + gpio_state + """</strong></p><p><a href="/?led=on"><button class="button">ON</button></a></p>
  <p><a href="/?led=off"><button class="button button2">OFF</button></a></p></body></html>"""
  return html

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(('', 80))
s.listen(5)

while True:
  conn, addr = s.accept()
  print('Got a connection from %s' % str(addr))
  request = conn.recv(1024)
  request = str(request)
  print('Content = %s' % request)
  led_on = request.find('/?led=on')
  led_off = request.find('/?led=off')
  if led_on == 6:
    print('LED ON')
    led.value(0)
    RedLED = PWM(Pin(15))
    GreedLED = PWM(Pin(12))
    BlueLED=  PWM(Pin(13))
    RedLED.duty(0)
    GreedLED.duty(0)
    BlueLED.duty(0)
    for i in range(0, 1024, 10):
        RedLED.duty(i)   
        time.sleep(0.01)
    RedLED.duty(0)
    for i in range(0, 1024, 10):
        GreedLED.duty(i)   
        time.sleep(0.01)
    GreedLED.duty(0)
    for i in range(0, 1024, 10):
        BlueLED.duty(i)   
        time.sleep(0.01)
    BlueLED.duty(0)
  if led_off == 6:
    print('LED OFF')
    led.value(1)
    RedLED = PWM(Pin(15))
    GreedLED = PWM(Pin(12))
    BlueLED=  PWM(Pin(13))
    RedLED.duty(0)
    GreedLED.duty(0)
    BlueLED.duty(0)

  response = web_page()
  conn.send('HTTP/1.1 200 OK\n')
  conn.send('Content-Type: text/html\n')
  conn.send('Connection: close\n\n')
  conn.sendall(response)
  conn.close()


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