Subversion Repositories ESP8266_P1_Meter

/**

 * @file ESPAsyncTCPbuffer.h

 * @date  22.01.2016

 * @author Markus Sattler

 *

 * Copyright (c) 2015 Markus Sattler. All rights reserved.

 * This file is part of the Asynv TCP for ESP.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 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 of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 *

 */

#ifndef ESPASYNCTCPBUFFER_H_

#define ESPASYNCTCPBUFFER_H_

//#define DEBUG_ASYNC_TCP(...)  while(((U0S >> USTXC) & 0x7F) != 0x00); os_printf( __VA_ARGS__ ); while(((U0S >> USTXC) & 0x7F) != 0x00)

//#define DEBUG_ASYNC_TCP ASYNC_TCP_DEBUG

#ifndef DEBUG_ASYNC_TCP

#define DEBUG_ASYNC_TCP(...)

#endif

#include <Arduino.h>

#include <cbuf.h>

#include "ESPAsyncTCP.h"

typedef enum {

    ATB_RX_MODE_NONE,

    ATB_RX_MODE_FREE,

    ATB_RX_MODE_READ_BYTES,

    ATB_RX_MODE_TERMINATOR,

    ATB_RX_MODE_TERMINATOR_STRING

} atbRxMode_t;

class AsyncTCPbuffer: public Print {

    public:

        typedef std::function<size_t(uint8_t * payload, size_t length)> AsyncTCPbufferDataCb;

        typedef std::function<void(bool ok, void * ret)> AsyncTCPbufferDoneCb;

        typedef std::function<bool(AsyncTCPbuffer * obj)> AsyncTCPbufferDisconnectCb;

        AsyncTCPbuffer(AsyncClient* c);

        virtual ~AsyncTCPbuffer();

        size_t write(String & data);

        size_t write(uint8_t data);

        size_t write(const char* data);

        size_t write(const char *data, size_t len);

        size_t write(const uint8_t *data, size_t len);

        void flush();

        void noCallback();

        void readStringUntil(char terminator, String * str, AsyncTCPbufferDoneCb done);

        // TODO implement read terminator non string

        //void readBytesUntil(char terminator, char *buffer, size_t length, AsyncTCPbufferDoneCb done);

        //void readBytesUntil(char terminator, uint8_t *buffer, size_t length, AsyncTCPbufferDoneCb done);

        void readBytes(char *buffer, size_t length, AsyncTCPbufferDoneCb done);

        void readBytes(uint8_t *buffer, size_t length, AsyncTCPbufferDoneCb done);

        // TODO implement

        // void setTimeout(size_t timeout);

        void onData(AsyncTCPbufferDataCb cb);

        void onDisconnect(AsyncTCPbufferDisconnectCb cb);

        IPAddress remoteIP();

        uint16_t  remotePort();

        IPAddress localIP();

        uint16_t  localPort();

        bool connected();

        void stop();

        void close();

    protected:

        AsyncClient* _client;

        cbuf * _TXbufferRead;

        cbuf * _TXbufferWrite;

        cbuf * _RXbuffer;

        atbRxMode_t _RXmode;

        size_t _rxSize;

        char _rxTerminator;

        uint8_t * _rxReadBytesPtr;

        String * _rxReadStringPtr;

        AsyncTCPbufferDataCb _cbRX;

        AsyncTCPbufferDoneCb _cbDone;

        AsyncTCPbufferDisconnectCb _cbDisconnect;

        void _attachCallbacks();

        void _sendBuffer();

        void _on_close();

        void _rxData(uint8_t *buf, size_t len);

        size_t _handleRxBuffer(uint8_t *buf, size_t len);

};

#endif /* ESPASYNCTCPBUFFER_H_ */