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— | reference:library:ethernetudpbeginpacket [2023/06/07 04:24] (当前版本) – 创建 - 外部编辑 127.0.0.1 | ||
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+ | [[zh: | ||
+ | ====== beginPacket() ====== | ||
+ | ===== 描述 ===== | ||
+ | |||
+ | 启动连接到远程连接的UDP数据写入 | ||
+ | ===== 语法 ===== | ||
+ | |||
+ | UDP.beginPacket(remoteIP, | ||
+ | ===== 参数 ===== | ||
+ | |||
+ | remoteIP:远程连接的IP地址(4字节) | ||
+ | |||
+ | remotePort:远程连接的端口(以int型) | ||
+ | ===== 返回 ===== | ||
+ | |||
+ | 无 | ||
+ | ===== 例子 ===== | ||
+ | <code cpp> | ||
+ | #include < | ||
+ | #include < | ||
+ | #include < | ||
+ | // | ||
+ | // IP地址将依赖于你的本地网络设定: | ||
+ | byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; | ||
+ | IPAddress ip(192, 168, 1, 177); | ||
+ | unsigned int localPort = 8888; // | ||
+ | // | ||
+ | EthernetUDP UDP; | ||
+ | |||
+ | void setup(){ | ||
+ | // | ||
+ | Ethernet.begin(mac, | ||
+ | Ethernet.begin(mac, | ||
+ | } | ||
+ | |||
+ | void loop(){ | ||
+ | Udp.beginPacket(Udp.remoteIP(), | ||
+ | Udp.write(" | ||
+ | Udp.endPacket(); | ||
+ | } | ||
+ | </ | ||
+ | |||
+ | |||
+ | [[zh: |