source: rtos_arduino/trunk/arduino_lib/libraries/ESP8266/examples/TCPServer/TCPServer.ino@ 136

/**
 * @example TCPServer.ino
 * @brief The TCPServer demo of library WeeESP8266. 
 * @author Wu Pengfei<pengfei.wu@itead.cc> 
 * @date 2015.02
 * 
 * @par Copyright:
 * Copyright (c) 2015 ITEAD Intelligent Systems Co., Ltd. \n\n
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version. \n\n
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "ESP8266.h"

#define SSID        "ITEAD"
#define PASSWORD    "12345678"

ESP8266 wifi(Serial1);

void setup(void)
{
    Serial.begin(9600);
    Serial.print("setup begin\r\n");
    
    Serial.print("FW Version:");
    Serial.println(wifi.getVersion().c_str());
      
    if (wifi.setOprToStationSoftAP()) {
        Serial.print("to station + softap ok\r\n");
    } else {
        Serial.print("to station + softap err\r\n");
    }
 
    if (wifi.joinAP(SSID, PASSWORD)) {
        Serial.print("Join AP success\r\n");
        Serial.print("IP: ");
        Serial.println(wifi.getLocalIP().c_str());    
    } else {
        Serial.print("Join AP failure\r\n");
    }
    
    if (wifi.enableMUX()) {
        Serial.print("multiple ok\r\n");
    } else {
        Serial.print("multiple err\r\n");
    }
    
    if (wifi.startTCPServer(8090)) {
        Serial.print("start tcp server ok\r\n");
    } else {
        Serial.print("start tcp server err\r\n");
    }
    
    if (wifi.setTCPServerTimeout(10)) { 
        Serial.print("set tcp server timout 10 seconds\r\n");
    } else {
        Serial.print("set tcp server timout err\r\n");
    }
    
    Serial.print("setup end\r\n");
}
 
void loop(void)
{
    uint8_t buffer[128] = {0};
    uint8_t mux_id;
    uint32_t len = wifi.recv(&mux_id, buffer, sizeof(buffer), 100);
    if (len > 0) {
        Serial.print("Status:[");
        Serial.print(wifi.getIPStatus().c_str());
        Serial.println("]");
        
        Serial.print("Received from :");
        Serial.print(mux_id);
        Serial.print("[");
        for(uint32_t i = 0; i < len; i++) {
            Serial.print((char)buffer[i]);
        }
        Serial.print("]\r\n");
        
        if(wifi.send(mux_id, buffer, len)) {
            Serial.print("send back ok\r\n");
        } else {
            Serial.print("send back err\r\n");
        }
        
        if (wifi.releaseTCP(mux_id)) {
            Serial.print("release tcp ");
            Serial.print(mux_id);
            Serial.println(" ok");
        } else {
            Serial.print("release tcp");
            Serial.print(mux_id);
            Serial.println(" err");
        }
        
        Serial.print("Status:[");
        Serial.print(wifi.getIPStatus().c_str());
        Serial.println("]");
    }
}