yocto_serialport.cpp

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/*********************************************************************
 *
 * $Id: yocto_serialport.cpp 28753 2017-10-03 11:23:38Z seb $
 *
 * Implements yFindSerialPort(), the high-level API for SerialPort functions
 *
 * - - - - - - - - - License information: - - - - - - - - -
 *
 *  Copyright (C) 2011 and beyond by Yoctopuce Sarl, Switzerland.
 *
 *  Yoctopuce Sarl (hereafter Licensor) grants to you a perpetual
 *  non-exclusive license to use, modify, copy and integrate this
 *  file into your software for the sole purpose of interfacing
 *  with Yoctopuce products.
 *
 *  You may reproduce and distribute copies of this file in
 *  source or object form, as long as the sole purpose of this
 *  code is to interface with Yoctopuce products. You must retain
 *  this notice in the distributed source file.
 *
 *  You should refer to Yoctopuce General Terms and Conditions
 *  for additional information regarding your rights and
 *  obligations.
 *
 *  THE SOFTWARE AND DOCUMENTATION ARE PROVIDED 'AS IS' WITHOUT
 *  WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
 *  WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS
 *  FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO
 *  EVENT SHALL LICENSOR BE LIABLE FOR ANY INCIDENTAL, SPECIAL,
 *  INDIRECT OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA,
 *  COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR
 *  SERVICES, ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT
 *  LIMITED TO ANY DEFENSE THEREOF), ANY CLAIMS FOR INDEMNITY OR
 *  CONTRIBUTION, OR OTHER SIMILAR COSTS, WHETHER ASSERTED ON THE
 *  BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE), BREACH OF
 *  WARRANTY, OR OTHERWISE.
 *
 *********************************************************************/


#define _CRT_SECURE_NO_DEPRECATE //do not use windows secure crt
#include "yocto_serialport.h"
#include "yapi/yjson.h"
#include "yapi/yapi.h"
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#define  __FILE_ID__  "serialport"


YSnoopingRecord::YSnoopingRecord(const string& json):
//--- (generated code: YSnoopingRecord initialization)
    _tim(0)
    ,_dir(0)
//--- (end of generated code: YSnoopingRecord initialization)
{
    yJsonStateMachine j;
    // Parse JSON data
    j.src = json.c_str();
    j.end = j.src + strlen(j.src);
    j.st = YJSON_START;
    if(yJsonParse(&j) != YJSON_PARSE_AVAIL || j.st != YJSON_PARSE_STRUCT) {
        return ;
    }
    while(yJsonParse(&j) == YJSON_PARSE_AVAIL && j.st == YJSON_PARSE_MEMBNAME) {
        if (!strcmp(j.token, "m")) {
            string tmp;
            if (yJsonParse(&j) != YJSON_PARSE_AVAIL) {
                return ;
            }
            tmp = (string)j.token;
            while(j.next == YJSON_PARSE_STRINGCONT && yJsonParse(&j) == YJSON_PARSE_AVAIL) {
                tmp +=(string)j.token;
            }
            _dir = (tmp[0] == '<' ? 1 : 0);
            _msg = tmp.substr(1);
        } else if(!strcmp(j.token, "t")) {
            if (yJsonParse(&j) != YJSON_PARSE_AVAIL) {
                return;
            }
            _tim = atoi(j.token);;
        } else {
            yJsonSkip(&j, 1);
        }
    }
}

//--- (generated code: YSnoopingRecord implementation)
// static attributes


int YSnoopingRecord::get_time(void)
{
    return _tim;
}

int YSnoopingRecord::get_direction(void)
{
    return _dir;
}

string YSnoopingRecord::get_message(void)
{
    return _msg;
}
//--- (end of generated code: YSnoopingRecord implementation)


YSerialPort::YSerialPort(const string& func): YFunction(func)
//--- (generated code: YSerialPort initialization)
    ,_rxCount(RXCOUNT_INVALID)
    ,_txCount(TXCOUNT_INVALID)
    ,_errCount(ERRCOUNT_INVALID)
    ,_rxMsgCount(RXMSGCOUNT_INVALID)
    ,_txMsgCount(TXMSGCOUNT_INVALID)
    ,_lastMsg(LASTMSG_INVALID)
    ,_currentJob(CURRENTJOB_INVALID)
    ,_startupJob(STARTUPJOB_INVALID)
    ,_command(COMMAND_INVALID)
    ,_voltageLevel(VOLTAGELEVEL_INVALID)
    ,_protocol(PROTOCOL_INVALID)
    ,_serialMode(SERIALMODE_INVALID)
    ,_valueCallbackSerialPort(NULL)
    ,_rxptr(0)
    ,_rxbuffptr(0)
//--- (end of generated code: YSerialPort initialization)
{
    _className="SerialPort";
}

YSerialPort::~YSerialPort()
{
//--- (generated code: YSerialPort cleanup)
//--- (end of generated code: YSerialPort cleanup)
}
//--- (generated code: YSerialPort implementation)
// static attributes
const string YSerialPort::LASTMSG_INVALID = YAPI_INVALID_STRING;
const string YSerialPort::CURRENTJOB_INVALID = YAPI_INVALID_STRING;
const string YSerialPort::STARTUPJOB_INVALID = YAPI_INVALID_STRING;
const string YSerialPort::COMMAND_INVALID = YAPI_INVALID_STRING;
const string YSerialPort::PROTOCOL_INVALID = YAPI_INVALID_STRING;
const string YSerialPort::SERIALMODE_INVALID = YAPI_INVALID_STRING;

int YSerialPort::_parseAttr(YJSONObject* json_val)
{
    if(json_val->has("rxCount")) {
        _rxCount =  json_val->getInt("rxCount");
    }
    if(json_val->has("txCount")) {
        _txCount =  json_val->getInt("txCount");
    }
    if(json_val->has("errCount")) {
        _errCount =  json_val->getInt("errCount");
    }
    if(json_val->has("rxMsgCount")) {
        _rxMsgCount =  json_val->getInt("rxMsgCount");
    }
    if(json_val->has("txMsgCount")) {
        _txMsgCount =  json_val->getInt("txMsgCount");
    }
    if(json_val->has("lastMsg")) {
        _lastMsg =  json_val->getString("lastMsg");
    }
    if(json_val->has("currentJob")) {
        _currentJob =  json_val->getString("currentJob");
    }
    if(json_val->has("startupJob")) {
        _startupJob =  json_val->getString("startupJob");
    }
    if(json_val->has("command")) {
        _command =  json_val->getString("command");
    }
    if(json_val->has("voltageLevel")) {
        _voltageLevel =  (Y_VOLTAGELEVEL_enum)json_val->getInt("voltageLevel");
    }
    if(json_val->has("protocol")) {
        _protocol =  json_val->getString("protocol");
    }
    if(json_val->has("serialMode")) {
        _serialMode =  json_val->getString("serialMode");
    }
    return YFunction::_parseAttr(json_val);
}


int YSerialPort::get_rxCount(void)
{
    int res = 0;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::RXCOUNT_INVALID;
                }
            }
        }
        res = _rxCount;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YSerialPort::get_txCount(void)
{
    int res = 0;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::TXCOUNT_INVALID;
                }
            }
        }
        res = _txCount;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YSerialPort::get_errCount(void)
{
    int res = 0;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::ERRCOUNT_INVALID;
                }
            }
        }
        res = _errCount;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YSerialPort::get_rxMsgCount(void)
{
    int res = 0;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::RXMSGCOUNT_INVALID;
                }
            }
        }
        res = _rxMsgCount;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YSerialPort::get_txMsgCount(void)
{
    int res = 0;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::TXMSGCOUNT_INVALID;
                }
            }
        }
        res = _txMsgCount;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

string YSerialPort::get_lastMsg(void)
{
    string res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::LASTMSG_INVALID;
                }
            }
        }
        res = _lastMsg;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

string YSerialPort::get_currentJob(void)
{
    string res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::CURRENTJOB_INVALID;
                }
            }
        }
        res = _currentJob;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YSerialPort::set_currentJob(const string& newval)
{
    string rest_val;
    int res;
    yEnterCriticalSection(&_this_cs);
    try {
        rest_val = newval;
        res = _setAttr("currentJob", rest_val);
    } catch (std::exception) {
         yLeaveCriticalSection(&_this_cs);
         throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

string YSerialPort::get_startupJob(void)
{
    string res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::STARTUPJOB_INVALID;
                }
            }
        }
        res = _startupJob;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YSerialPort::set_startupJob(const string& newval)
{
    string rest_val;
    int res;
    yEnterCriticalSection(&_this_cs);
    try {
        rest_val = newval;
        res = _setAttr("startupJob", rest_val);
    } catch (std::exception) {
         yLeaveCriticalSection(&_this_cs);
         throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

string YSerialPort::get_command(void)
{
    string res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::COMMAND_INVALID;
                }
            }
        }
        res = _command;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YSerialPort::set_command(const string& newval)
{
    string rest_val;
    int res;
    yEnterCriticalSection(&_this_cs);
    try {
        rest_val = newval;
        res = _setAttr("command", rest_val);
    } catch (std::exception) {
         yLeaveCriticalSection(&_this_cs);
         throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

Y_VOLTAGELEVEL_enum YSerialPort::get_voltageLevel(void)
{
    Y_VOLTAGELEVEL_enum res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::VOLTAGELEVEL_INVALID;
                }
            }
        }
        res = _voltageLevel;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YSerialPort::set_voltageLevel(Y_VOLTAGELEVEL_enum newval)
{
    string rest_val;
    int res;
    yEnterCriticalSection(&_this_cs);
    try {
        char buf[32]; sprintf(buf, "%d", newval); rest_val = string(buf);
        res = _setAttr("voltageLevel", rest_val);
    } catch (std::exception) {
         yLeaveCriticalSection(&_this_cs);
         throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

string YSerialPort::get_protocol(void)
{
    string res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::PROTOCOL_INVALID;
                }
            }
        }
        res = _protocol;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YSerialPort::set_protocol(const string& newval)
{
    string rest_val;
    int res;
    yEnterCriticalSection(&_this_cs);
    try {
        rest_val = newval;
        res = _setAttr("protocol", rest_val);
    } catch (std::exception) {
         yLeaveCriticalSection(&_this_cs);
         throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

string YSerialPort::get_serialMode(void)
{
    string res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YSerialPort::SERIALMODE_INVALID;
                }
            }
        }
        res = _serialMode;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YSerialPort::set_serialMode(const string& newval)
{
    string rest_val;
    int res;
    yEnterCriticalSection(&_this_cs);
    try {
        rest_val = newval;
        res = _setAttr("serialMode", rest_val);
    } catch (std::exception) {
         yLeaveCriticalSection(&_this_cs);
         throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

YSerialPort* YSerialPort::FindSerialPort(string func)
{
    YSerialPort* obj = NULL;
    int taken = 0;
    if (YAPI::_apiInitialized) {
        yEnterCriticalSection(&YAPI::_global_cs);
        taken = 1;
    }try {
        obj = (YSerialPort*) YFunction::_FindFromCache("SerialPort", func);
        if (obj == NULL) {
            obj = new YSerialPort(func);
            YFunction::_AddToCache("SerialPort", func, obj);
        }
    } catch (std::exception) {
        if (taken) yLeaveCriticalSection(&YAPI::_global_cs);
        throw;
    }
    if (taken) yLeaveCriticalSection(&YAPI::_global_cs);
    return obj;
}

int YSerialPort::registerValueCallback(YSerialPortValueCallback callback)
{
    string val;
    if (callback != NULL) {
        YFunction::_UpdateValueCallbackList(this, true);
    } else {
        YFunction::_UpdateValueCallbackList(this, false);
    }
    _valueCallbackSerialPort = callback;
    // Immediately invoke value callback with current value
    if (callback != NULL && this->isOnline()) {
        val = _advertisedValue;
        if (!(val == "")) {
            this->_invokeValueCallback(val);
        }
    }
    return 0;
}

int YSerialPort::_invokeValueCallback(string value)
{
    if (_valueCallbackSerialPort != NULL) {
        _valueCallbackSerialPort(this, value);
    } else {
        YFunction::_invokeValueCallback(value);
    }
    return 0;
}

int YSerialPort::sendCommand(string text)
{
    return this->set_command(text);
}

int YSerialPort::reset(void)
{
    _rxptr = 0;
    _rxbuffptr = 0;
    _rxbuff = string(0, (char)0);

    return this->sendCommand("Z");
}

int YSerialPort::writeByte(int code)
{
    return this->sendCommand(YapiWrapper::ysprintf("$%02x",code));
}

int YSerialPort::writeStr(string text)
{
    string buff;
    int bufflen = 0;
    int idx = 0;
    int ch = 0;
    buff = text;
    bufflen = (int)(buff).size();
    if (bufflen < 100) {
        // if string is pure text, we can send it as a simple command (faster)
        ch = 0x20;
        idx = 0;
        while ((idx < bufflen) && (ch != 0)) {
            ch = ((u8)buff[idx]);
            if ((ch >= 0x20) && (ch < 0x7f)) {
                idx = idx + 1;
            } else {
                ch = 0;
            }
        }
        if (idx >= bufflen) {
            return this->sendCommand(YapiWrapper::ysprintf("+%s",text.c_str()));
        }
    }
    // send string using file upload
    return this->_upload("txdata", buff);
}

int YSerialPort::writeBin(string buff)
{
    return this->_upload("txdata", buff);
}

int YSerialPort::writeArray(vector<int> byteList)
{
    string buff;
    int bufflen = 0;
    int idx = 0;
    int hexb = 0;
    int res = 0;
    bufflen = (int)byteList.size();
    buff = string(bufflen, (char)0);
    idx = 0;
    while (idx < bufflen) {
        hexb = byteList[idx];
        buff[idx] = (char)(hexb);
        idx = idx + 1;
    }

    res = this->_upload("txdata", buff);
    return res;
}

int YSerialPort::writeHex(string hexString)
{
    string buff;
    int bufflen = 0;
    int idx = 0;
    int hexb = 0;
    int res = 0;
    bufflen = (int)(hexString).length();
    if (bufflen < 100) {
        return this->sendCommand(YapiWrapper::ysprintf("$%s",hexString.c_str()));
    }
    bufflen = ((bufflen) >> (1));
    buff = string(bufflen, (char)0);
    idx = 0;
    while (idx < bufflen) {
        hexb = (int)strtoul((hexString).substr( 2 * idx, 2).c_str(), NULL, 16);
        buff[idx] = (char)(hexb);
        idx = idx + 1;
    }

    res = this->_upload("txdata", buff);
    return res;
}

int YSerialPort::writeLine(string text)
{
    string buff;
    int bufflen = 0;
    int idx = 0;
    int ch = 0;
    buff = YapiWrapper::ysprintf("%s\r\n",text.c_str());
    bufflen = (int)(buff).size()-2;
    if (bufflen < 100) {
        // if string is pure text, we can send it as a simple command (faster)
        ch = 0x20;
        idx = 0;
        while ((idx < bufflen) && (ch != 0)) {
            ch = ((u8)buff[idx]);
            if ((ch >= 0x20) && (ch < 0x7f)) {
                idx = idx + 1;
            } else {
                ch = 0;
            }
        }
        if (idx >= bufflen) {
            return this->sendCommand(YapiWrapper::ysprintf("!%s",text.c_str()));
        }
    }
    // send string using file upload
    return this->_upload("txdata", buff);
}

int YSerialPort::readByte(void)
{
    int currpos = 0;
    int reqlen = 0;
    string buff;
    int bufflen = 0;
    int mult = 0;
    int endpos = 0;
    int res = 0;
    // first check if we have the requested character in the look-ahead buffer
    bufflen = (int)(_rxbuff).size();
    if ((_rxptr >= _rxbuffptr) && (_rxptr < _rxbuffptr+bufflen)) {
        res = ((u8)_rxbuff[_rxptr-_rxbuffptr]);
        _rxptr = _rxptr + 1;
        return res;
    }
    // try to preload more than one byte to speed-up byte-per-byte access
    currpos = _rxptr;
    reqlen = 1024;
    buff = this->readBin(reqlen);
    bufflen = (int)(buff).size();
    if (_rxptr == currpos+bufflen) {
        res = ((u8)buff[0]);
        _rxptr = currpos+1;
        _rxbuffptr = currpos;
        _rxbuff = buff;
        return res;
    }
    // mixed bidirectional data, retry with a smaller block
    _rxptr = currpos;
    reqlen = 16;
    buff = this->readBin(reqlen);
    bufflen = (int)(buff).size();
    if (_rxptr == currpos+bufflen) {
        res = ((u8)buff[0]);
        _rxptr = currpos+1;
        _rxbuffptr = currpos;
        _rxbuff = buff;
        return res;
    }
    // still mixed, need to process character by character
    _rxptr = currpos;

    buff = this->_download(YapiWrapper::ysprintf("rxdata.bin?pos=%d&len=1",_rxptr));
    bufflen = (int)(buff).size() - 1;
    endpos = 0;
    mult = 1;
    while ((bufflen > 0) && (((u8)buff[bufflen]) != 64)) {
        endpos = endpos + mult * (((u8)buff[bufflen]) - 48);
        mult = mult * 10;
        bufflen = bufflen - 1;
    }
    _rxptr = endpos;
    if (bufflen == 0) {
        return YAPI_NO_MORE_DATA;
    }
    res = ((u8)buff[0]);
    return res;
}

string YSerialPort::readStr(int nChars)
{
    string buff;
    int bufflen = 0;
    int mult = 0;
    int endpos = 0;
    string res;
    if (nChars > 65535) {
        nChars = 65535;
    }

    buff = this->_download(YapiWrapper::ysprintf("rxdata.bin?pos=%d&len=%d", _rxptr,nChars));
    bufflen = (int)(buff).size() - 1;
    endpos = 0;
    mult = 1;
    while ((bufflen > 0) && (((u8)buff[bufflen]) != 64)) {
        endpos = endpos + mult * (((u8)buff[bufflen]) - 48);
        mult = mult * 10;
        bufflen = bufflen - 1;
    }
    _rxptr = endpos;
    res = (buff).substr( 0, bufflen);
    return res;
}

string YSerialPort::readBin(int nChars)
{
    string buff;
    int bufflen = 0;
    int mult = 0;
    int endpos = 0;
    int idx = 0;
    string res;
    if (nChars > 65535) {
        nChars = 65535;
    }

    buff = this->_download(YapiWrapper::ysprintf("rxdata.bin?pos=%d&len=%d", _rxptr,nChars));
    bufflen = (int)(buff).size() - 1;
    endpos = 0;
    mult = 1;
    while ((bufflen > 0) && (((u8)buff[bufflen]) != 64)) {
        endpos = endpos + mult * (((u8)buff[bufflen]) - 48);
        mult = mult * 10;
        bufflen = bufflen - 1;
    }
    _rxptr = endpos;
    res = string(bufflen, (char)0);
    idx = 0;
    while (idx < bufflen) {
        res[idx] = (char)(((u8)buff[idx]));
        idx = idx + 1;
    }
    return res;
}

vector<int> YSerialPort::readArray(int nChars)
{
    string buff;
    int bufflen = 0;
    int mult = 0;
    int endpos = 0;
    int idx = 0;
    int b = 0;
    vector<int> res;
    if (nChars > 65535) {
        nChars = 65535;
    }

    buff = this->_download(YapiWrapper::ysprintf("rxdata.bin?pos=%d&len=%d", _rxptr,nChars));
    bufflen = (int)(buff).size() - 1;
    endpos = 0;
    mult = 1;
    while ((bufflen > 0) && (((u8)buff[bufflen]) != 64)) {
        endpos = endpos + mult * (((u8)buff[bufflen]) - 48);
        mult = mult * 10;
        bufflen = bufflen - 1;
    }
    _rxptr = endpos;
    res.clear();
    idx = 0;
    while (idx < bufflen) {
        b = ((u8)buff[idx]);
        res.push_back(b);
        idx = idx + 1;
    }
    return res;
}

string YSerialPort::readHex(int nBytes)
{
    string buff;
    int bufflen = 0;
    int mult = 0;
    int endpos = 0;
    int ofs = 0;
    string res;
    if (nBytes > 65535) {
        nBytes = 65535;
    }

    buff = this->_download(YapiWrapper::ysprintf("rxdata.bin?pos=%d&len=%d", _rxptr,nBytes));
    bufflen = (int)(buff).size() - 1;
    endpos = 0;
    mult = 1;
    while ((bufflen > 0) && (((u8)buff[bufflen]) != 64)) {
        endpos = endpos + mult * (((u8)buff[bufflen]) - 48);
        mult = mult * 10;
        bufflen = bufflen - 1;
    }
    _rxptr = endpos;
    res = "";
    ofs = 0;
    while (ofs + 3 < bufflen) {
        res = YapiWrapper::ysprintf("%s%02x%02x%02x%02x", res.c_str(), ((u8)buff[ofs]), ((u8)buff[ofs + 1]), ((u8)buff[ofs + 2]),((u8)buff[ofs + 3]));
        ofs = ofs + 4;
    }
    while (ofs < bufflen) {
        res = YapiWrapper::ysprintf("%s%02x", res.c_str(),((u8)buff[ofs]));
        ofs = ofs + 1;
    }
    return res;
}

string YSerialPort::readLine(void)
{
    string url;
    string msgbin;
    vector<string> msgarr;
    int msglen = 0;
    string res;

    url = YapiWrapper::ysprintf("rxmsg.json?pos=%d&len=1&maxw=1",_rxptr);
    msgbin = this->_download(url);
    msgarr = this->_json_get_array(msgbin);
    msglen = (int)msgarr.size();
    if (msglen == 0) {
        return "";
    }
    // last element of array is the new position
    msglen = msglen - 1;
    _rxptr = atoi((msgarr[msglen]).c_str());
    if (msglen == 0) {
        return "";
    }
    res = this->_json_get_string(msgarr[0]);
    return res;
}

vector<string> YSerialPort::readMessages(string pattern,int maxWait)
{
    string url;
    string msgbin;
    vector<string> msgarr;
    int msglen = 0;
    vector<string> res;
    int idx = 0;

    url = YapiWrapper::ysprintf("rxmsg.json?pos=%d&maxw=%d&pat=%s", _rxptr, maxWait,pattern.c_str());
    msgbin = this->_download(url);
    msgarr = this->_json_get_array(msgbin);
    msglen = (int)msgarr.size();
    if (msglen == 0) {
        return res;
    }
    // last element of array is the new position
    msglen = msglen - 1;
    _rxptr = atoi((msgarr[msglen]).c_str());
    idx = 0;
    while (idx < msglen) {
        res.push_back(this->_json_get_string(msgarr[idx]));
        idx = idx + 1;
    }
    return res;
}

int YSerialPort::read_seek(int absPos)
{
    _rxptr = absPos;
    return YAPI_SUCCESS;
}

int YSerialPort::read_tell(void)
{
    return _rxptr;
}

int YSerialPort::read_avail(void)
{
    string buff;
    int bufflen = 0;
    int res = 0;

    buff = this->_download(YapiWrapper::ysprintf("rxcnt.bin?pos=%d",_rxptr));
    bufflen = (int)(buff).size() - 1;
    while ((bufflen > 0) && (((u8)buff[bufflen]) != 64)) {
        bufflen = bufflen - 1;
    }
    res = atoi(((buff).substr( 0, bufflen)).c_str());
    return res;
}

string YSerialPort::queryLine(string query,int maxWait)
{
    string url;
    string msgbin;
    vector<string> msgarr;
    int msglen = 0;
    string res;

    url = YapiWrapper::ysprintf("rxmsg.json?len=1&maxw=%d&cmd=!%s", maxWait,query.c_str());
    msgbin = this->_download(url);
    msgarr = this->_json_get_array(msgbin);
    msglen = (int)msgarr.size();
    if (msglen == 0) {
        return "";
    }
    // last element of array is the new position
    msglen = msglen - 1;
    _rxptr = atoi((msgarr[msglen]).c_str());
    if (msglen == 0) {
        return "";
    }
    res = this->_json_get_string(msgarr[0]);
    return res;
}

int YSerialPort::uploadJob(string jobfile,string jsonDef)
{
    this->_upload(jobfile, jsonDef);
    return YAPI_SUCCESS;
}

int YSerialPort::selectJob(string jobfile)
{
    return this->set_currentJob(jobfile);
}

int YSerialPort::set_RTS(int val)
{
    return this->sendCommand(YapiWrapper::ysprintf("R%d",val));
}

int YSerialPort::get_CTS(void)
{
    string buff;
    int res = 0;

    buff = this->_download("cts.txt");
    if (!((int)(buff).size() == 1)) {
        _throw(YAPI_IO_ERROR,"invalid CTS reply");
        return YAPI_IO_ERROR;
    }
    res = ((u8)buff[0]) - 48;
    return res;
}

vector<YSnoopingRecord> YSerialPort::snoopMessages(int maxWait)
{
    string url;
    string msgbin;
    vector<string> msgarr;
    int msglen = 0;
    vector<YSnoopingRecord> res;
    int idx = 0;

    url = YapiWrapper::ysprintf("rxmsg.json?pos=%d&maxw=%d&t=0", _rxptr,maxWait);
    msgbin = this->_download(url);
    msgarr = this->_json_get_array(msgbin);
    msglen = (int)msgarr.size();
    if (msglen == 0) {
        return res;
    }
    // last element of array is the new position
    msglen = msglen - 1;
    _rxptr = atoi((msgarr[msglen]).c_str());
    idx = 0;
    while (idx < msglen) {
        res.push_back(YSnoopingRecord(msgarr[idx]));
        idx = idx + 1;
    }
    return res;
}

int YSerialPort::writeMODBUS(string hexString)
{
    return this->sendCommand(YapiWrapper::ysprintf(":%s",hexString.c_str()));
}

vector<int> YSerialPort::queryMODBUS(int slaveNo,vector<int> pduBytes)
{
    int funCode = 0;
    int nib = 0;
    int i = 0;
    string cmd;
    string url;
    string pat;
    string msgs;
    vector<string> reps;
    string rep;
    vector<int> res;
    int replen = 0;
    int hexb = 0;
    funCode = pduBytes[0];
    nib = ((funCode) >> (4));
    pat = YapiWrapper::ysprintf("%02x[%x%x]%x.*", slaveNo, nib, (nib+8),((funCode) & (15)));
    cmd = YapiWrapper::ysprintf("%02x%02x", slaveNo,funCode);
    i = 1;
    while (i < (int)pduBytes.size()) {
        cmd = YapiWrapper::ysprintf("%s%02x", cmd.c_str(),((pduBytes[i]) & (0xff)));
        i = i + 1;
    }

    url = YapiWrapper::ysprintf("rxmsg.json?cmd=:%s&pat=:%s", cmd.c_str(),pat.c_str());
    msgs = this->_download(url);
    reps = this->_json_get_array(msgs);
    if (!((int)reps.size() > 1)) {
        _throw(YAPI_IO_ERROR,"no reply from slave");
        return res;
    }
    if ((int)reps.size() > 1) {
        rep = this->_json_get_string(reps[0]);
        replen = (((int)(rep).length() - 3) >> (1));
        i = 0;
        while (i < replen) {
            hexb = (int)strtoul((rep).substr(2 * i + 3, 2).c_str(), NULL, 16);
            res.push_back(hexb);
            i = i + 1;
        }
        if (res[0] != funCode) {
            i = res[1];
            if (!(i > 1)) {
                _throw(YAPI_NOT_SUPPORTED,"MODBUS error: unsupported function code");
                return res;
            }
            if (!(i > 2)) {
                _throw(YAPI_INVALID_ARGUMENT,"MODBUS error: illegal data address");
                return res;
            }
            if (!(i > 3)) {
                _throw(YAPI_INVALID_ARGUMENT,"MODBUS error: illegal data value");
                return res;
            }
            if (!(i > 4)) {
                _throw(YAPI_INVALID_ARGUMENT,"MODBUS error: failed to execute function");
                return res;
            }
        }
    }
    return res;
}

vector<int> YSerialPort::modbusReadBits(int slaveNo,int pduAddr,int nBits)
{
    vector<int> pdu;
    vector<int> reply;
    vector<int> res;
    int bitpos = 0;
    int idx = 0;
    int val = 0;
    int mask = 0;
    pdu.push_back(0x01);
    pdu.push_back(((pduAddr) >> (8)));
    pdu.push_back(((pduAddr) & (0xff)));
    pdu.push_back(((nBits) >> (8)));
    pdu.push_back(((nBits) & (0xff)));

    reply = this->queryMODBUS(slaveNo, pdu);
    if ((int)reply.size() == 0) {
        return res;
    }
    if (reply[0] != pdu[0]) {
        return res;
    }
    bitpos = 0;
    idx = 2;
    val = reply[idx];
    mask = 1;
    while (bitpos < nBits) {
        if (((val) & (mask)) == 0) {
            res.push_back(0);
        } else {
            res.push_back(1);
        }
        bitpos = bitpos + 1;
        if (mask == 0x80) {
            idx = idx + 1;
            val = reply[idx];
            mask = 1;
        } else {
            mask = ((mask) << (1));
        }
    }
    return res;
}

vector<int> YSerialPort::modbusReadInputBits(int slaveNo,int pduAddr,int nBits)
{
    vector<int> pdu;
    vector<int> reply;
    vector<int> res;
    int bitpos = 0;
    int idx = 0;
    int val = 0;
    int mask = 0;
    pdu.push_back(0x02);
    pdu.push_back(((pduAddr) >> (8)));
    pdu.push_back(((pduAddr) & (0xff)));
    pdu.push_back(((nBits) >> (8)));
    pdu.push_back(((nBits) & (0xff)));

    reply = this->queryMODBUS(slaveNo, pdu);
    if ((int)reply.size() == 0) {
        return res;
    }
    if (reply[0] != pdu[0]) {
        return res;
    }
    bitpos = 0;
    idx = 2;
    val = reply[idx];
    mask = 1;
    while (bitpos < nBits) {
        if (((val) & (mask)) == 0) {
            res.push_back(0);
        } else {
            res.push_back(1);
        }
        bitpos = bitpos + 1;
        if (mask == 0x80) {
            idx = idx + 1;
            val = reply[idx];
            mask = 1;
        } else {
            mask = ((mask) << (1));
        }
    }
    return res;
}

vector<int> YSerialPort::modbusReadRegisters(int slaveNo,int pduAddr,int nWords)
{
    vector<int> pdu;
    vector<int> reply;
    vector<int> res;
    int regpos = 0;
    int idx = 0;
    int val = 0;
    pdu.push_back(0x03);
    pdu.push_back(((pduAddr) >> (8)));
    pdu.push_back(((pduAddr) & (0xff)));
    pdu.push_back(((nWords) >> (8)));
    pdu.push_back(((nWords) & (0xff)));

    reply = this->queryMODBUS(slaveNo, pdu);
    if ((int)reply.size() == 0) {
        return res;
    }
    if (reply[0] != pdu[0]) {
        return res;
    }
    regpos = 0;
    idx = 2;
    while (regpos < nWords) {
        val = ((reply[idx]) << (8));
        idx = idx + 1;
        val = val + reply[idx];
        idx = idx + 1;
        res.push_back(val);
        regpos = regpos + 1;
    }
    return res;
}

vector<int> YSerialPort::modbusReadInputRegisters(int slaveNo,int pduAddr,int nWords)
{
    vector<int> pdu;
    vector<int> reply;
    vector<int> res;
    int regpos = 0;
    int idx = 0;
    int val = 0;
    pdu.push_back(0x04);
    pdu.push_back(((pduAddr) >> (8)));
    pdu.push_back(((pduAddr) & (0xff)));
    pdu.push_back(((nWords) >> (8)));
    pdu.push_back(((nWords) & (0xff)));

    reply = this->queryMODBUS(slaveNo, pdu);
    if ((int)reply.size() == 0) {
        return res;
    }
    if (reply[0] != pdu[0]) {
        return res;
    }
    regpos = 0;
    idx = 2;
    while (regpos < nWords) {
        val = ((reply[idx]) << (8));
        idx = idx + 1;
        val = val + reply[idx];
        idx = idx + 1;
        res.push_back(val);
        regpos = regpos + 1;
    }
    return res;
}

int YSerialPort::modbusWriteBit(int slaveNo,int pduAddr,int value)
{
    vector<int> pdu;
    vector<int> reply;
    int res = 0;
    res = 0;
    if (value != 0) {
        value = 0xff;
    }
    pdu.push_back(0x05);
    pdu.push_back(((pduAddr) >> (8)));
    pdu.push_back(((pduAddr) & (0xff)));
    pdu.push_back(value);
    pdu.push_back(0x00);

    reply = this->queryMODBUS(slaveNo, pdu);
    if ((int)reply.size() == 0) {
        return res;
    }
    if (reply[0] != pdu[0]) {
        return res;
    }
    res = 1;
    return res;
}

int YSerialPort::modbusWriteBits(int slaveNo,int pduAddr,vector<int> bits)
{
    int nBits = 0;
    int nBytes = 0;
    int bitpos = 0;
    int val = 0;
    int mask = 0;
    vector<int> pdu;
    vector<int> reply;
    int res = 0;
    res = 0;
    nBits = (int)bits.size();
    nBytes = (((nBits + 7)) >> (3));
    pdu.push_back(0x0f);
    pdu.push_back(((pduAddr) >> (8)));
    pdu.push_back(((pduAddr) & (0xff)));
    pdu.push_back(((nBits) >> (8)));
    pdu.push_back(((nBits) & (0xff)));
    pdu.push_back(nBytes);
    bitpos = 0;
    val = 0;
    mask = 1;
    while (bitpos < nBits) {
        if (bits[bitpos] != 0) {
            val = ((val) | (mask));
        }
        bitpos = bitpos + 1;
        if (mask == 0x80) {
            pdu.push_back(val);
            val = 0;
            mask = 1;
        } else {
            mask = ((mask) << (1));
        }
    }
    if (mask != 1) {
        pdu.push_back(val);
    }

    reply = this->queryMODBUS(slaveNo, pdu);
    if ((int)reply.size() == 0) {
        return res;
    }
    if (reply[0] != pdu[0]) {
        return res;
    }
    res = ((reply[3]) << (8));
    res = res + reply[4];
    return res;
}

int YSerialPort::modbusWriteRegister(int slaveNo,int pduAddr,int value)
{
    vector<int> pdu;
    vector<int> reply;
    int res = 0;
    res = 0;
    pdu.push_back(0x06);
    pdu.push_back(((pduAddr) >> (8)));
    pdu.push_back(((pduAddr) & (0xff)));
    pdu.push_back(((value) >> (8)));
    pdu.push_back(((value) & (0xff)));

    reply = this->queryMODBUS(slaveNo, pdu);
    if ((int)reply.size() == 0) {
        return res;
    }
    if (reply[0] != pdu[0]) {
        return res;
    }
    res = 1;
    return res;
}

int YSerialPort::modbusWriteRegisters(int slaveNo,int pduAddr,vector<int> values)
{
    int nWords = 0;
    int nBytes = 0;
    int regpos = 0;
    int val = 0;
    vector<int> pdu;
    vector<int> reply;
    int res = 0;
    res = 0;
    nWords = (int)values.size();
    nBytes = 2 * nWords;
    pdu.push_back(0x10);
    pdu.push_back(((pduAddr) >> (8)));
    pdu.push_back(((pduAddr) & (0xff)));
    pdu.push_back(((nWords) >> (8)));
    pdu.push_back(((nWords) & (0xff)));
    pdu.push_back(nBytes);
    regpos = 0;
    while (regpos < nWords) {
        val = values[regpos];
        pdu.push_back(((val) >> (8)));
        pdu.push_back(((val) & (0xff)));
        regpos = regpos + 1;
    }

    reply = this->queryMODBUS(slaveNo, pdu);
    if ((int)reply.size() == 0) {
        return res;
    }
    if (reply[0] != pdu[0]) {
        return res;
    }
    res = ((reply[3]) << (8));
    res = res + reply[4];
    return res;
}

vector<int> YSerialPort::modbusWriteAndReadRegisters(int slaveNo,int pduWriteAddr,vector<int> values,int pduReadAddr,int nReadWords)
{
    int nWriteWords = 0;
    int nBytes = 0;
    int regpos = 0;
    int val = 0;
    int idx = 0;
    vector<int> pdu;
    vector<int> reply;
    vector<int> res;
    nWriteWords = (int)values.size();
    nBytes = 2 * nWriteWords;
    pdu.push_back(0x17);
    pdu.push_back(((pduReadAddr) >> (8)));
    pdu.push_back(((pduReadAddr) & (0xff)));
    pdu.push_back(((nReadWords) >> (8)));
    pdu.push_back(((nReadWords) & (0xff)));
    pdu.push_back(((pduWriteAddr) >> (8)));
    pdu.push_back(((pduWriteAddr) & (0xff)));
    pdu.push_back(((nWriteWords) >> (8)));
    pdu.push_back(((nWriteWords) & (0xff)));
    pdu.push_back(nBytes);
    regpos = 0;
    while (regpos < nWriteWords) {
        val = values[regpos];
        pdu.push_back(((val) >> (8)));
        pdu.push_back(((val) & (0xff)));
        regpos = regpos + 1;
    }

    reply = this->queryMODBUS(slaveNo, pdu);
    if ((int)reply.size() == 0) {
        return res;
    }
    if (reply[0] != pdu[0]) {
        return res;
    }
    regpos = 0;
    idx = 2;
    while (regpos < nReadWords) {
        val = ((reply[idx]) << (8));
        idx = idx + 1;
        val = val + reply[idx];
        idx = idx + 1;
        res.push_back(val);
        regpos = regpos + 1;
    }
    return res;
}

YSerialPort *YSerialPort::nextSerialPort(void)
{
    string  hwid;

    if(YISERR(_nextFunction(hwid)) || hwid=="") {
        return NULL;
    }
    return YSerialPort::FindSerialPort(hwid);
}

YSerialPort* YSerialPort::FirstSerialPort(void)
{
    vector<YFUN_DESCR>   v_fundescr;
    YDEV_DESCR             ydevice;
    string              serial, funcId, funcName, funcVal, errmsg;

    if(YISERR(YapiWrapper::getFunctionsByClass("SerialPort", 0, v_fundescr, sizeof(YFUN_DESCR), errmsg)) ||
       v_fundescr.size() == 0 ||
       YISERR(YapiWrapper::getFunctionInfo(v_fundescr[0], ydevice, serial, funcId, funcName, funcVal, errmsg))) {
        return NULL;
    }
    return YSerialPort::FindSerialPort(serial+"."+funcId);
}

//--- (end of generated code: YSerialPort implementation)

//--- (generated code: YSerialPort functions)
//--- (end of generated code: YSerialPort functions)