File content as of revision 5:5fa655d7212c:

/**
 * @file ESP8266.cpp
 * @brief The implementation of class ESP8266. 
 * @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"
#include "log.h"

ESP8266::ESP8266(ArduinoSerial &uart): m_puart(&uart)
{
    m_puart->begin(9600);
    m_puart->flush();
    m_puart->setTimeout(1000);
    logDebug("Create Instance ok");
}


bool ESP8266::kick(void)
{
    return eAT();
}

bool ESP8266::restart(void)
{
    unsigned long start;
    if (eATRST()) {
        delay(2000);
        start = millis();
        while (millis() - start < 3000) {
            if (eAT()) {
                delay(500);
                return true;
            }
            delay(100);
        }
    }
    return false;
}

String ESP8266::getVersion(void)
{
    return eATGMR();
}

bool ESP8266::setOprToStation(void)
{
    if (sATCWMODE(1) && restart()) {
        return true;
    }
    return false;
}

bool ESP8266::setOprToSoftAP(void)
{
    if (sATCWMODE(2) && restart()) {
        return true;
    }
    return false;
}

bool ESP8266::setOprToStationSoftAP(void)
{
    if (sATCWMODE(3) && restart()) {
        return true;
    }
    return false;
}

String ESP8266::getAPList(void)
{
    return "";
}

bool ESP8266::joinAP(String ssid, String pwd)
{
    return false;
}

bool ESP8266::leaveAP(void)
{
    return false;
}

bool ESP8266::setSoftAPParam(String ssid, String pwd, uint8_t chl, uint8_t ecn)
{
    return false;
}

String ESP8266::getJoinedDeviceIP(void)
{
    return "";
}

String ESP8266::getIPStatus(void)
{
    return "";
}

String ESP8266::getLocalIP(void)
{
    return "";
}

bool ESP8266::enableMUX(void)
{
    return false;
}

bool ESP8266::disableMUX(void)
{
    return false;
}

bool ESP8266::createTCP(String addr, uint32_t port)
{
    return false;
}

bool ESP8266::releaseTCP(void)
{
    return false;
}

bool ESP8266::registerUDP(String addr, uint32_t port)
{
    return false;
}

bool ESP8266::unregisterUDP(void)
{
    return false;
}

bool ESP8266::createTCP(uint8_t mux_id, String addr, uint32_t port)
{
    return false;
}

bool ESP8266::releaseTCP(uint8_t mux_id)
{
    return false;
}

bool ESP8266::registerUDP(uint8_t mux_id, String addr, uint32_t port)
{
    return false;
}

bool ESP8266::unregisterUDP(uint8_t mux_id)
{
    return false;
}

bool ESP8266::setTCPServerTimeout(uint32_t timeout)
{
    return false;
}

bool ESP8266::startTCPServer(uint32_t port)
{
    return false;
}

bool ESP8266::stopTCPServer(void)
{
    return false;
}

bool ESP8266::send(const uint8_t *buffer, uint32_t len)
{
    return false;
}

bool ESP8266::send(uint8_t mux_id, const char *buffer, uint32_t len)
{
    return false;
}

uint32_t ESP8266::recv(uint8_t *buffer, uint32_t len, uint32_t timeout)
{
    return false;
}

uint32_t ESP8266::recv(uint8_t mux_id, uint8_t *buffer, uint32_t len, uint32_t timeout)
{
    return false;
}

uint32_t ESP8266::recv(uint8_t *coming_mux_id, uint8_t *buffer, uint32_t len, uint32_t timeout)
{
    return false;
}


String ESP8266::recvFind(String target, uint32_t timeout)
{
    String data;
    char a;
    unsigned long start = millis();
    while (millis() - start < timeout) {
        while(m_puart->available() > 0) {
            a = m_puart->readChr();
            data += a;
        }
        if (data.indexOf(target) != -1) {
            break;
        }   
    }
    return data;
}


String ESP8266::recvFind(String target1, String target2, uint32_t timeout)
{
    String data;
    char a;
    unsigned long start = millis();
    while (millis() - start < timeout) {
        while(m_puart->available() > 0) {
            a = m_puart->readChr();
            data += a;
        }
        if (data.indexOf(target1) != -1) {
            break;
        } else if (data.indexOf(target2) != -1) {
            break;
        }
    }
    return data;
}

String ESP8266::recvFind(String target1, String target2, String target3, uint32_t timeout)
{
    String data;
    char a;
    unsigned long start = millis();
    while (millis() - start < timeout) {
        while(m_puart->available() > 0) {
            a = m_puart->readChr();
            data += a;
        }
        if (data.indexOf(target1) != -1) {
            break;
        } else if (data.indexOf(target2) != -1) {
            break;
        } else if (data.indexOf(target3) != -1) {
            break;
        }
    }
    return data;
}


bool ESP8266::eAT(void)
{
    m_puart->setTimeout(100);
    m_puart->flush();
    m_puart->println("AT");
    if (m_puart->find("OK")) {
        return true;
    } else {
        return false;
    }
}

bool ESP8266::eATRST(void) 
{
    m_puart->setTimeout(100);
    m_puart->flush();
    m_puart->println("AT+RST");
    if (m_puart->find("OK")) {
        return true;
    } else {
        return false;
    }
}

String ESP8266::eATGMR(void)
{
    String data;
    m_puart->flush();
    m_puart->println("AT+GMR");
    data = recvFind("OK", "ERROR");
    if (data.indexOf("OK") != -1) {
        int32_t index1 = data.indexOf("\r\r\n");
        int32_t index2 = data.indexOf("\r\n\r\nOK");
        if (index1 != -1 && index2 != -1) {
            index1 += strlen("\r\r\n");
            return data.substring(index1, index2);
        }
    }
    return "";
}


bool ESP8266::sATCWMODE(uint8_t mode)
{
    String data;
    m_puart->flush();
    m_puart->print("AT+CWMODE=");
    m_puart->println(mode);
    data = recvFind("OK");
    if (data.indexOf("OK") != -1) {
        return true;
    }
    return false;
}