ESP-手机--双向通信模式
1 AP 接受手机
2 STA（密码固定）连接路由器，AP接受手机
3 STA（密码灵活）连接路由器，AP接受手机
1 AP 接受手机
#include const char *ssid = "esp8266_666";
const char *password = "12345678";
WiFiServer server(8266);
void setup()
{Serial.begin(115200);Serial.println();Serial.print("Setting soft-AP ... ");IPAddress softLocal(192,168,4,1);
IPAddress softGateway(192,168,4,1);
IPAddress softSubnet(255,255,255,0);WiFi.softAPConfig(softLocal, softGateway, softSubnet);
WiFi.softAP(ssid, password);IPAddress myIP = WiFi.softAPIP();Serial.print("AP IP address: ");Serial.println(myIP);server.begin();Serial.printf("Web server started, open %s in a web browser\n", WiFi.localIP().toString().c_str());}void loop()
{WiFiClient client = server.available();if (client){Serial.println("\n[Client connected]");while (client.connected()){// 将串口数据打印给TCPif(Serial.available()){size_t len = Serial.available();uint8_t sbuf[len];Serial.readBytes(sbuf, len);client.write(sbuf, len);delay(1);}// 将TCP数据打印给串口if (client.available()){String line = client.readStringUntil('\r');Serial.print(line); }}delay(1); client.stop();Serial.println("[Client disonnected]");}}
2 STA（密码固定）连接路由器，AP接受手机
/* WiFiTelnetToSerial - Example Transparent UART to Telnet Server for esp8266Copyright (c) 2015 Hristo Gochkov. All rights reserved.This file is part of the ESP8266WiFi library for Arduino environment.This library is free software; you can redistribute it and/ormodify it under the terms of the GNU Lesser General PublicLicense as published by the Free Software Foundation; eitherversion 2.1 of the License, or (at your option) any later version.This library is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNULesser General Public License for more details.You should have received a copy of the GNU Lesser General PublicLicense along with this library; if not, write to the Free SoftwareFoundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include //how many clients should be able to telnet to this ESP8266
#define MAX_SRV_CLIENTS 1
const char* ssid = "**********";
const char* password = "**********";WiFiServer server(23);
WiFiClient serverClients[MAX_SRV_CLIENTS];void setup() {Serial1.begin(115200);WiFi.begin(ssid, password);Serial1.print("\nConnecting to "); Serial1.println(ssid);uint8_t i = 0;while (WiFi.status() != WL_CONNECTED && i++ < 20) delay(500);if(i == 21){Serial1.print("Could not connect to"); Serial1.println(ssid);while(1) delay(500);}//start UART and the serverSerial.begin(115200);server.begin();server.setNoDelay(true);Serial1.print("Ready! Use 'telnet ");Serial1.print(WiFi.localIP());Serial1.println(" 23' to connect");
}void loop() {uint8_t i;//check if there are any new clientsif (server.hasClient()){for(i = 0; i < MAX_SRV_CLIENTS; i++){//find free/disconnected spotif (!serverClients[i] || !serverClients[i].connected()){if(serverClients[i]) serverClients[i].stop();serverClients[i] = server.available();Serial1.print("New client: "); Serial1.print(i);continue;}}//no free/disconnected spot so rejectWiFiClient serverClient = server.available();serverClient.stop();}//check clients for datafor(i = 0; i < MAX_SRV_CLIENTS; i++){if (serverClients[i] && serverClients[i].connected()){if(serverClients[i].available()){//get data from the telnet client and push it to the UARTwhile(serverClients[i].available()) Serial.write(serverClients[i].read());}}}//check UART for dataif(Serial.available()){size_t len = Serial.available();uint8_t sbuf[len];Serial.readBytes(sbuf, len);//push UART data to all connected telnet clientsfor(i = 0; i < MAX_SRV_CLIENTS; i++){if (serverClients[i] && serverClients[i].connected()){serverClients[i].write(sbuf, len);delay(1);}}}
}
3 STA（密码灵活）连接路由器，AP接受手机
/**
* 日期:2017/09/19
* 功能：wifi lamp 8266端
* 加入SmartConfig功能
* 作者：单片机菜鸟
**/
#include
#include #define MAX_SRV_CLIENTS 3 //最大同时联接数，即你想要接入的设备数量，8266tcpserver只能接入五个，哎
#define led 2
#define DEBUG //是否开启debug功能#ifdef DEBUG
#define DebugPrintln(message) Serial.println(message)
#else
#define DebugPrintln(message)
#endif#ifdef DEBUG
#define DebugPrint(message) Serial.print(message)
#else
#define DebugPrint(message)
#endifconst char* ssid = "360wifilulu"; // XXXXXX -- 使用时请修改为当前你的 wifi ssid
const char* password = "6206908you11011010"; // XXXXXX -- 使用时请修改为当前你的 wifi 密码const unsigned long BAUD_RATE = 115200; // serial connection speed
const unsigned long HTTP_TIMEOUT = 5000; // max respone time from serverWiFiServer server(8266);//你要的端口号，随意修改，范围0-65535
WiFiClient serverClients[MAX_SRV_CLIENTS];//ssid和密码结构体
struct config_type{char ssid[32];char psw[64];
};config_type config;
int flag = HIGH;//默认当前灭灯/**
* @Desc 初始化操作
*/
void setup() {Serial.begin(BAUD_RATE);pinMode(led,OUTPUT);digitalWrite(led, HIGH);if(!autoConfig()){smartConfig();DebugPrint("Connecting to ");//写几句提示，哈哈DebugPrintln(ssid);while (WiFi.status() != WL_CONNECTED) {//这个函数是wifi连接状态，返回wifi链接状态delay(500);DebugPrint(".");}}delay(1000);digitalWrite(led, LOW);DebugPrintln("IP address: ");DebugPrintln(WiFi.localIP());//WiFi.localIP()返回8266获得的ip地址server.begin();server.setNoDelay(true); //加上后才正常些
}/**
* @Desc 主函数
*/
void loop() {uint8_t i;if (server.hasClient()){for (i = 0; i < MAX_SRV_CLIENTS; i++){if (!serverClients[i] || !serverClients[i].connected()){if (serverClients[i]) serverClients[i].stop();//未联接,就释放serverClients[i] = server.available();//分配新的continue;}}//8266tcpserver只能接入五个 超出的需要释放WiFiClient serverClient = server.available();if (serverClient){serverClient.stop();}}for (i = 0; i < MAX_SRV_CLIENTS; i++){if (serverClients[i] && serverClients[i].connected()){//处理客户端发过来的数据if (serverClients[i].available()){while (serverClients[i].available()) Serial.write(serverClients[i].read());}}}if(Serial.available()>0){char ch = Serial.read();if(ch == '1'){smartConfig();delay(1000);digitalWrite(led, LOW);DebugPrintln("IP address: ");DebugPrintln(WiFi.localIP());//WiFi.localIP()返回8266获得的ip地址}}
}/**
* 自动连接20s 超过之后自动进入SmartConfig模式
*/
bool autoConfig(){WiFi.mode(WIFI_AP_STA); //设置esp8266 工作模式WiFi.begin();delay(2000);//刚启动模块的话 延时稳定一下DebugPrintln("AutoConfiging ......");for(int i=0;i<20;i++){int wstatus = WiFi.status();if (wstatus == WL_CONNECTED){DebugPrintln("AutoConfig Success");DebugPrint("SSID:");DebugPrintln(WiFi.SSID().c_str());DebugPrint("PSW:");DebugPrintln(WiFi.psk().c_str());return true;}else{DebugPrint(".");delay(1000);flag = !flag;digitalWrite(led, flag);} }DebugPrintln("AutoConfig Faild!");return false;
}/**
* 开启SmartConfig功能
*/
void smartConfig()
{WiFi.mode(WIFI_STA);delay(2000);DebugPrintln("Wait for Smartconfig");// 等待配网WiFi.beginSmartConfig();while (1){DebugPrint(".");delay(500);flag = !flag;digitalWrite(led, flag);if (WiFi.smartConfigDone()){//smartconfig配置完毕DebugPrintln("SmartConfig Success");DebugPrint("SSID:");DebugPrintln(WiFi.SSID().c_str());DebugPrint("PSW:");DebugPrintln(WiFi.psk().c_str());strcpy(config.ssid, WiFi.SSID().c_str());strcpy(config.psw, WiFi.psk().c_str());saveConfig();WiFi.mode(WIFI_AP_STA); //设置esp8266 工作模式WiFi.setAutoConnect(true); // 设置自动连接break;}}
}/*
保存参数到eeprom*/
void saveConfig()
{EEPROM.begin(1024);uint8_t *p = (uint8_t*)(&config);for (int i = 0; i < sizeof(config); i++){EEPROM.write(i, *(p + i));}EEPROM.commit();
}/*从EEPROM加载参数
*/
void loadConfig()
{EEPROM.begin(1024);uint8_t *p = (uint8_t*)(&config);for (int i = 0; i < sizeof(config); i++){*(p + i) = EEPROM.read(i);}EEPROM.commit();
}
转载于:https://www.cnblogs.com/kekeoutlook/p/9086028.html
本文来自互联网用户投稿，文章观点仅代表作者本人，不代表本站立场，不承担相关法律责任。如若转载，请注明出处。 如若内容造成侵权/违法违规/事实不符，请点击【内容举报】进行投诉反馈！