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from fpioa_manager import fm
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from Maix import GPIO
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from board import board_info
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import time, network, socket
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from machine import UART
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WIFI_SSID = "junzekeji" # 替换为你的WiFi
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WIFI_PASSWD = "234567890l" # 替换为你的WiFi密码
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PC_IP = "192.168.89.6" # 替换为你的电脑IP
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PC_PORT = 12345 # 替换为你的监听端口
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def wifi_enable(en):
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if wifi_en:
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wifi_en.value(en)
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# 定义UDP发送函数
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def udp_send(ip, port, message):
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"""向指定IP和端口发送UDP消息"""
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try:
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ADDR = (ip, port)
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sock = socket.socket()
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sock.connect(ADDR)
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#sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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#sock.settimeout(1)
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print(message, ip, port)
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sock.send(message)
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sock.close()
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return True
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except Exception as e:
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print("UDP发送错误:", e)
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return False
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# 测试单次发送
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def udp_client(server_ip, server_port):
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message = "Hello from K210!"
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if udp_send(server_ip, server_port, message):
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print("已向 {}:{} 发送消息: {}".format(server_ip, server_port, message))
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else:
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print("向 {}:{} 发送消息失败".format(server_ip, server_port))
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if __name__ == "__main__":
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# (1) GPIO 注册，用于 WiFi 使能
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fm.register(8, fm.fpioa.GPIOHS0, force=True)
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wifi_en = GPIO(GPIO.GPIOHS0, GPIO.OUT)
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wifi_enable(0)
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time.sleep_ms(200)
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wifi_enable(1)
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time.sleep(2)
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# (2) 初始化 UART (115200)
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fm.register(board_info.WIFI_RX, fm.fpioa.UART2_TX, force=True)
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fm.register(board_info.WIFI_TX, fm.fpioa.UART2_RX, force=True)
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uart = UART(UART.UART2, 115200, timeout=1000, read_buf_len=4096)
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_ = uart.read() # 清空缓存
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# (3) 初始化 ESP8285
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try:
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nic = network.ESP8285(uart)
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except Exception as e:
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print("ESP8285初始化失败:", e)
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time.sleep(1)
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# (4) 连接 WiFi
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print("尝试连接 WiFi:", WIFI_SSID)
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try:
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nic.connect(WIFI_SSID, WIFI_PASSWD)
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attempts = 0
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while not nic.isconnected() and attempts < 20:
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attempts += 1
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print("等待连接... 第 {}/20 次".format(attempts))
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time.sleep(1)
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if nic.isconnected():
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print("WiFi连接成功!")
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print("IP信息:", nic.ifconfig())
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#time.sleep(1)
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else:
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print("WiFi连接失败，请检查SSID或密码。")
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time.sleep(1)
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except Exception as e:
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print("连接WiFi异常:", e)
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# 测试单次发送
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udp_client(PC_IP, PC_PORT)
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