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[ESP8266/ESP32] FireBeetle 2 ESP32-S3 WIFI控制LED（MicroPython）

本帖最后由豆爸于 2023-12-19 01:34 编辑

FireBeetle 2 ESP32-S3具有WIFI功能，以下示例使用ESP32-S3创建了一个wifi服务器，使用客户端连接到该服务器，控制LED的亮灭

''' 
步骤：
1.连接到WIFI”ESP32-S3“，已设置WIFI密码：12345678
访问网址 http://192.168.4.1/ON 来打开灯 访问 http://192.168.4.1/OFF 来关闭灯
3.在访问后通过点击开灯、关灯按钮来便捷控制灯的亮灭
'''
import usocket as socket
import network
from machine import Pin

ap_ssid = "ESP32-S3"
ap_password = "12345678"
ap_authmode = 3  # WPA2 PSK
 

wlan_ap = network.WLAN(network.AP_IF)
wlan_ap.active(True)
wlan_ap.config(essid=ap_ssid, password=ap_password, authmode=ap_authmode)

led = Pin(21, Pin.OUT)

def web_page():
    
    if led.value():
        gpio_state="ON"
    else:
        gpio_state="OFF"
  
    html = """<!DOCTYPE html><html><meta charset="UTF-8"><head><title>FireBeetle 2 ESP32-S3网页控制界面(AP模式)</title><style>body {text-align: center;} table {margin: auto;}</style><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><font color="red">FireBeetle 2 ESP32-S3网页控制界面</font></h1> 
  <p>GPIO21 state: <strong>""" + gpio_state + """</strong></p><p><a href="/?led=on"><button class="button">开灯</button></a></p>
  <p><a href="/?led=off"><button class="button button2">关灯</button></a></p></body></html>"""
    return html

addr = socket.getaddrinfo('192.168.4.1', 80)[0][-1]
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_on)
    led.value(1)
  if led_off == 6:
    print('LED OFF=',led_off)
    led.value(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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