ESP8266 WiFi
ESP8266 WiFi 库
The WiFi class initializes the ethernet library and network settings.
- WiFi.mode()
设置wifi模块工作模式WIFI_AP,WIFI_STA,WIFI_AP_STA
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ESP8266WiFi AP - WiFi.softAP(ssid,[password],[channel],[ssid_hidden]) 设置AP模式参数 参数
返回值：bool - WiFi.softAPConfig(local_ip,gateway,subnet) 配置AP 参数
返回值：bool - WiFi.softAPdisconnect(wifioff) 断开网络，关闭AP - WiFi.softAPgetStationNum() 获取AP模式下已连接终端的数量 - WiFi.softAPIP() 获取IP地址，用于AP模式 返回：IP地址 - WiFi.softAPmacAddress(mac) 获取MAC地址，用于AP模式 返回：uint8_t* - WiFi.softAPmacAddress(void) 获取MAC地址，用于AP模式 返回：String
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ESP8266WiFi STA WL_CONNECTED WL_NO_SSID_AVAIL WL_CONNECT_FAILED WL_IDLE_STATUS WL_DISCONNECTED - WiFi.begin() 开始wifi连接 - WiFi.config(local_ip, gateway, subnet, dns1, dns2) 更改IP配置设置禁用DHCP客户端 参数
返回：bool - WiFi.reconnect() 将强制断开连接，然后重新连接到AP 返回：bool - WiFi.disconnect(bool wifioff) Disconnect from the network 断开网络 返回：bool - WiFi.isConnected() 检查是否已连接 返回：bool - WiFi.setAutoConnect(bool autoConnect) 设置是否复位自动连接，默认自动连接 返回：bool - WiFi.getAutoConnect() 检查是否设置了复位自动连接 返回：bool - WiFi.setAutoReconnect(bool autoReconnect) 设置当连接断开时是否重新连接 返回：bool - WiFi.waitForConnectResult() Wait for WiFi connection to reach a result returns the status reached or disconnect if STA is off 返回：连接状态
- WiFi.localIP() 获取IP地址，用于STA模式 返回：IPAddress - WiFi.macAddress(uint8_t* mac) 获取MAC地址，用于STA模式 返回：uint8_t* - WiFi.macAddress(void) 获取MAC地址，用于STA模式 返回：String - WiFi.subnetMask() Get the interface subnet mask address. 获取接口子网掩码地址 返回：IPAddress - WiFi.gatewayIP() Get the gateway ip address. 获取网关地址 返回：IPAddress - WiFi.dnsIP(uint8_t dns_no) Get the DNS ip address. 获取DNS ip 地址 返回：IPAddress - WiFi.hostname(void) Get ESP8266 station DHCP hostname 获取ESP8266 SAT DHCP主机名 返回：String - WiFi.hostname(char* aHostname) Set ESP8266 station DHCP hostname 设置ESP8266 STA DHCP主机名 参数类型：char* 返回：bool - WiFi.hostname(const char* aHostname) Set ESP8266 station DHCP hostname 参数类型：const char* 返回：bool - WiFi.hostname(String aHostname) Set ESP8266 station DHCP hostname 参数类型：String 返回：bool - WiFi.SSID() 获取当前连接网络的SSID 返回：String - WiFi.psk() 获取当前连接网络的共享秘钥 返回：String - WiFi.BSSID(void) Return the current bssid / mac associated with the network if configured 返回：uint8_t* - WiFi.BSSIDstr(void) Return the current bssid / mac associated with the network if configured 返回：String - WiFi.RSSI(void) Return the current network RSSI. 返回：int32_t (RSSI value) STA远程配置 - WiFi.beginWPSConfig(void) WPS配置（so far only WPS_TYPE_PBC is supported (SDK 1.2.0)） 返回：bool - WiFi.beginSmartConfig() 开始 SmartConfig 返回：bool - WiFi.stopSmartConfig() 停止 SmartConfig 返回：bool - WiFi.smartConfigDone() 查询 SmartConfig 状态，决定何时停止配置 返回：bool
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ESP8266WiFi Server The Server class creates servers which can send data to and receive data from connected clients (programs running on other computers or devices). - WiFiServer wifiServer(IPAddress addr, uint16_t port) 开启服务 参数
- WiFiServer wifiServer(uint16_t port) 开启服务 参数
- wifiServer.begin() - wifiServer.setNoDelay(bool nodelay) - wifiServer.getNoDelay() - wifiServer.hasClient() - wifiServer.available() - wifiServer.status() - wifiServer.close() - wifiServer.stop() - wifiServer.write(uint8_t b) - wifiServer.write(const uint8_t *buffer, size_t size)
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ESP8266WiFi Client The client class creates clients that can connect to servers and send and receive data. - WiFiClient wifiClient() - WiFiClient wifiClient(const WiFiClient& other) - WiFiClient operator=(const WiFiClient& other) - wifiClient.connect(const char* host, uint16_t port) - wifiClient.connect(IPAddress ip, uint16_t port) - wifiClient.setNoDelay(bool nodelay) - wifiClient.getNoDelay() - wifiClient.write(uint8_t b) - wifiClient.write(const uint8_t *buf, size_t size) - wifiClient.write_P(PGM_P buf, size_t size) - wifiClient.available() - wifiClient.read() - wifiClient.read(uint8_t* buf, size_t size) - wifiClient.peekBytes(uint8_t *buffer, size_t length) - wifiClient.flush() - wifiClient.stop() - wifiClient.connected() - wifiClient.status() - wifiClient.remoteIP() - wifiClient.remotePort() - wifiClient.localIP() - wifiClient.localPort() - wifiClient.stopAll() - wifiClient.stopAllExcept(WiFiClient * exC)
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ESP8266WiFi Udp The UDP class enables UDP message to be sent and received. - WiFiUDP wifiUDP(const WiFiUDP& other) 构造函数 -- 例如：WiFiUDP UDP; - wifiUDP.begin(uint16_t port) 初始化、启动监听指定的端口 -- 例如：UDP.begin(5000); 成功返回1，否则返回0 - wifiUDP.beginMulticast(IPAddress interfaceAddr, IPAddress multicast, uint16_t port) 加入一个多路广播组并监听端口 - wifiUDP.available() 当前数据包中的数据字节数 - wifiUDP.stop() 结束UDP连接 - wifiUDP.beginPacket(const char *host, uint16_t port) 开始建立一个发送到特定主机和端口的远程主机的数据包 成功返回1，否则返回0 - wifiUDP.beginPacket(IPAddress ip, uint16_t port) 开始建立一个发送到特定IP和端口的远程主机的数据包 成功返回1，否则返回0 - wifiUDP.beginPacketMulticast(IPAddress multicastAddress, uint16_t port,IPAddress interfaceAddress, int ttl) 开始建立一个数据包发送到多播地址 成功返回1，否则返回0 - wifiUDP.endPacket() 完成数据包建立并发送 发送成功返回1，否则返回0 - wifiUDP.write(uint8_t byte) 写单字节到数据包 - wifiUDP.write(const uint8_t *buffer, size_t size) 写多字节到数据包 - wifiUDP.parsePacket() 开始处理下一个传入的可用数据包 返回数据包大小，如果没有数据包则返回0 - wifiUDP.read() 从当前数据包中读取单字节 - wifiUDP.read(unsigned char* buffer, size_t len) 从当前数据包中读取len长度字节并存储到buffer中 返回读取字节数，没有则返回0 - wifiUDP.peek() 从当前数据包中读取单字节，并不移动到下一个字节 - wifiUDP.flush() 读完当前数据包 - wifiUDP.remoteIP() 返回发送传入当前数据包的主机的IP地址 - wifiUDP.remotePort() 返回发送传入当前数据包的主机的端口号 - wifiUDP.destinationIP() 返回传入数据包的目的地址，区分多路广播和普通数据包有用 - wifiUDP.localPort() 返回输出数据包的本地端口 - wifiUDP.stopAll() - wifiUDP.stopAllExcept(WiFiUDP * exC)
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