Example: 09-WiFi/ap_mode.py

# 本作品采用MIT许可证授权。
# 版权所有 (c) 2013-2023 OpenMV LLC。保留所有权利。
# https://github.com/openmv/openmv/blob/master/LICENSE
#
# WiFi AP模式示例
#
# This example shows how to use WiFi in Access Point mode.
import network
import socket

SSID = "OPENMV_AP"  # 网络 SSID
KEY = "1234567890"  # 网络密钥（必须为 10 个字符）
HOST = ""  # 使用第一个可用的接口
PORT = 8080  # 任意非特权端口

# 初始化wlan模块并连接到网络
wlan = network.WLAN(network.AP_IF)
wlan.config(ssid=SSID, key=KEY, channel=2)
wlan.active(True)

print("AP mode started. SSID: {} IP: {}".format(SSID, wlan.ifconfig()[0]))


def recvall(sock, n):
    # 辅助函数，用于接收n字节数据，如果遇到EOF则返回None
    data = bytearray()
    while len(data) < n:
        packet = sock.recv(n - len(data))
        if not packet:
            raise OSError("Timeout")
        data.extend(packet)
    return data


def start_streaming(server):
    print("Waiting for connections..")
    client, addr = server.accept()

    # 将客户端套接字超时设置为5秒
    client.settimeout(5.0)
    print("Connected to " + addr[0] + ":" + str(addr[1]))

    while True:
        try:
            # 从客户端读取数据
            data = recvall(client, 1024)
            # Send it back
            client.send(data)
        except OSError as e:
            print("start_streaming(): socket error: ", e)
            client.close()
            break


while True:
    try:
        server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        # Bind and listen
        server.bind([HOST, PORT])
        server.listen(1)

        # 将服务器套接字设置为阻塞模式
        server.setblocking(True)
        while True:
            start_streaming(server)
    except OSError as e:
        server.close()
        print("Server socket error: ", e)