forked from apsystems/GrblHoming
/
gcode.cpp
1971 lines (1705 loc) · 54.4 KB
/
gcode.cpp
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/****************************************************************
* gcode.cpp
* GrblHoming - zapmaker fork on github
*
* 15 Nov 2012
* GPL License (see LICENSE file)
* Software is provided AS-IS
****************************************************************/
#include "gcode.h"
#include <QObject>
GCode::GCode()
: errorCount(0), doubleDollarFormat(false),
incorrectMeasurementUnits(false), incorrectLcdDisplayUnits(false),
maxZ(0), motionOccurred(false),
sliderZCount(0),
positionValid(false),
numaxis(DEFAULT_AXIS_COUNT)
{
// use base class's timer - use it to capture random text from the controller
startTimer(1000);
// for position polling
pollPosTimer.start();
}
void GCode::openPort(QString commPortStr, QString baudRate)
{
numaxis = controlParams.useFourAxis ? MAX_AXIS_COUNT : DEFAULT_AXIS_COUNT;
clearToHome();
currComPort = commPortStr;
port.setCharSendDelayMs(controlParams.charSendDelayMs);
if (port.OpenComport(commPortStr, baudRate))
{
emit portIsOpen(true);
}
else
{
emit portIsClosed(false);
QString msg = tr("Can't open COM port ") + commPortStr;
sendMsg(msg);
addList(msg);
warn("%s", qPrintable(msg));
addList(tr("-Is hardware connected to USB?") );
addList(tr("-Is correct port chosen?") );
addList(tr("-Does current user have sufficient permissions?") );
#if defined(Q_OS_LINUX)
addList("-Is current user in sudoers group?");
#endif
//QMessageBox(QMessageBox::Critical,"Error","Could not open port.",QMessageBox::Ok).exec();
}
}
void GCode::closePort(bool reopen)
{
port.CloseComport();
emit portIsClosed(reopen);
}
bool GCode::isPortOpen()
{
return port.isPortOpen();
}
// Abort means stop file send after the end of this line
void GCode::setAbort()
{
// cross-thread operation, only set one atomic variable in this method (bool in this case) or add critsec
abortState.set(true);
}
// Reset means immediately stop waiting for a response
void GCode::setReset()
{
// cross-thread operation, only set one atomic variable in this method (bool in this case) or add critsec
resetState.set(true);
}
// Shutdown means app is shutting down - we give thread about .3 sec to exit what it is doing
void GCode::setShutdown()
{
// cross-thread operation, only set one atomic variable in this method (bool in this case) or add critsec
shutdownState.set(true);
}
// Slot for interrupting current operation or doing a clean reset of grbl without changing position values
void GCode::sendGrblReset()
{
clearToHome();
QString x(CTRL_X);
sendGcodeLocal(x, true, SHORT_WAIT_SEC);
}
void GCode::sendGrblUnlock()
{
sendGcodeLocal(SET_UNLOCK_STATE_V08c);
}
// Slot for gcode-based 'zero out the current position values without motion'
void GCode::grblSetHome()
{
clearToHome();
if (numaxis == MAX_AXIS_COUNT)
gotoXYZFourth(QString("G92 x0 y0 z0 ").append(QString(controlParams.fourthAxisType)).append("0"));
else
gotoXYZFourth("G92 x0 y0 z0");
}
void GCode::goToHome()
{
if (!motionOccurred)
return;
double maxZOver = maxZ;
if (doubleDollarFormat)
{
maxZOver += (controlParams.useMm ? PRE_HOME_Z_ADJ_MM : (PRE_HOME_Z_ADJ_MM / MM_IN_AN_INCH));
}
else
{
// all reporting is in mm
maxZOver += PRE_HOME_Z_ADJ_MM;
}
QString zpos = QString::number(maxZOver);
gotoXYZFourth(QString("G0 z").append(zpos));
if (numaxis == MAX_AXIS_COUNT)
gotoXYZFourth(QString("G1 x0 y0 z0 ").append(QString(controlParams.fourthAxisType)).append("0"));
else
gotoXYZFourth("G1 x0 y0 z0");
maxZ -= maxZOver;
motionOccurred = false;
}
// Slot called from other threads (i.e. main window, grbl dialog, etc.)
void GCode::sendGcode(QString line)
{
bool checkMeasurementUnits = false;
// empty line means we have just opened the com port
if (line.length() == 0)
{
resetState.set(false);
QString result;
if (!waitForStartupBanner(result, SHORT_WAIT_SEC, false))
{
if (shutdownState.get() || resetState.get())
return;
// it is possible that we are already connected and missed the
// signon banner. Force a reset (is this ok?) to get the banner
emit addListOut("(CTRL-X)");
char buf[2] = {0};
buf[0] = CTRL_X;
diag(qPrintable(tr("SENDING: 0x%02X (CTRL-X) to check presence of Grbl\n")), buf[0]) ;
if (!port.SendBuf(buf, 1))
{
QString msg = tr("Sending to port failed");
err("%s", qPrintable(msg));
emit addList(msg);
emit sendMsg(msg);
return;
}
if (!waitForStartupBanner(result, SHORT_WAIT_SEC, true))
return;
}
checkMeasurementUnits = true;
}
else
{
pollPosWaitForIdle(false);
// normal send of actual commands
sendGcodeLocal(line, false);
}
pollPosWaitForIdle(checkMeasurementUnits);
}
// keep polling our position and state until we are done running
void GCode::pollPosWaitForIdle(bool checkMeasurementUnits)
{
if (controlParams.usePositionRequest
&& (controlParams.positionRequestType == PREQ_ALWAYS_NO_IDLE_CHK
|| controlParams.positionRequestType == PREQ_ALWAYS
|| checkMeasurementUnits))
{
bool immediateQuit = false;
for (int i = 0; i < 10000; i++)
{
GCode::PosReqStatus ret = positionUpdate();
if (ret == POS_REQ_RESULT_ERROR || ret == POS_REQ_RESULT_UNAVAILABLE)
{
immediateQuit = true;
break;
}
else if (ret == POS_REQ_RESULT_TIMER_SKIP)
{
SLEEP(250);
continue;
}
if (doubleDollarFormat)
{
if (lastState.compare("Run") != 0)
break;
}
else
{
if (machineCoordLastIdlePos == machineCoord
&& workCoordLastIdlePos == workCoord)
{
break;
}
machineCoordLastIdlePos = machineCoord;
workCoordLastIdlePos = workCoord;
}
if (shutdownState.get())
return;
}
if (immediateQuit)
return;
if (checkMeasurementUnits)
{
if (doubleDollarFormat)
checkAndSetCorrectMeasurementUnits();
else
setOldFormatMeasurementUnitControl();
}
}
else
{
setLivenessState(false);
}
}
// Slot called from other thread that returns whatever text comes back from the controller
void GCode::sendGcodeAndGetResult(int id, QString line)
{
QString result;
emit sendMsg("");
resetState.set(false);
if (!sendGcodeInternal(line, result, false, SHORT_WAIT_SEC, false))
result.clear();
emit gcodeResult(id, result);
}
// To be called only from this class, not from other threads. Use above two methods for that.
// Wraps sendGcodeInternal() to allow proper handling of failure cases, etc.
bool GCode::sendGcodeLocal(QString line, bool recordResponseOnFail /* = false */, int waitSec /* = -1 */, bool aggressive /* = false */, int currLine /* = 0 */)
{
QString result;
sendMsg("");
resetState.set(false);
bool ret = sendGcodeInternal(line, result, recordResponseOnFail, waitSec, aggressive, currLine);
if (shutdownState.get())
return false;
if (!ret && (!recordResponseOnFail || resetState.get()))
{
if (!resetState.get())
emit stopSending();
if (!ret && resetState.get())
{
resetState.set(false);
port.Reset();
}
}
else
{
if (checkGrbl(result))
{
emit enableGrblDialogButton();
}
}
resetState.set(false);
return ret;
}
bool GCode::checkGrbl(const QString& result)
{
if (result.contains("Grbl"))
{
QRegExp rx("Grbl (\\d+)\\.(\\d+)(\\w*)");
if (rx.indexIn(result) != -1 && rx.captureCount() > 0)
{
doubleDollarFormat = false;
QStringList list = rx.capturedTexts();
if (list.size() >= 3)
{
int majorVer = list.at(1).toInt();
int minorVer = list.at(2).toInt();
char letter = ' ';
if (list.size() == 4 && list.at(3).size() > 0)
{
letter = list.at(3).toLatin1().at(0);
}
if (majorVer > 0 || (minorVer > 8 && minorVer < 51) || letter > 'a')
{
doubleDollarFormat = true;
}
diag(qPrintable(tr("Got Grbl Version (Parsed:) %d.%d%c ($$=%d)\n")),
majorVer, minorVer, letter, doubleDollarFormat);
}
if (!doubleDollarFormat)
setUnitsTypeDisplay(true);
}
return true;
}
return false;
}
// Wrapped method. Should only be called from above method.
bool GCode::sendGcodeInternal(QString line, QString& result, bool recordResponseOnFail, int waitSec, bool aggressive, int currLine /* = 0 */)
{
if (!port.isPortOpen())
{
QString msg = tr("Port not available yet") ;
err("%s", msg.toLocal8Bit().constData());
emit addList(msg);
emit sendMsg(msg);
return false;
}
bool ctrlX = line.size() > 0 ? (line.at(0).toLatin1() == CTRL_X) : false;
bool sentReqForLocation = false;
bool sentReqForSettings = false;
bool sentReqForParserState = false;
if (checkForGetPosStr(line))
{
sentReqForLocation = true;
setLivenessState(true);
}
else if (!line.compare(REQUEST_PARSER_STATE_V08c))
{
sentReqForParserState = true;
}
else if (!line.compare(SETTINGS_COMMAND_V08a))
{
if (doubleDollarFormat)
line = SETTINGS_COMMAND_V08c;
sentReqForSettings = true;
}
else
motionOccurred = true;
// adds to UI list, but prepends a > indicating a sent command
if (ctrlX)
{
emit addListOut("(CTRL-X)");
}
else if (!sentReqForLocation)// if requesting location, don't add that "noise" to the output view
{
emit addListOut(line);
}
if (line.size() == 0 || (!line.endsWith('\r') && !ctrlX))
line.append('\r');
char buf[BUF_SIZE + 1] = {0};
if (line.length() >= BUF_SIZE)
{
QString msg = tr("Buffer size too small");
err("%s", qPrintable(msg));
emit addList(msg);
emit sendMsg(msg);
return false;
}
for (int i = 0; i < line.length(); i++)
buf[i] = line.at(i).toLatin1();
if (ctrlX)
diag(qPrintable(tr("SENDING[%d]: 0x%02X (CTRL-X)\n")), currLine, buf[0]);
else
diag(qPrintable(tr("SENDING[%d]: %s\n")), currLine, buf);
int waitSecActual = waitSec == -1 ? controlParams.waitTime : waitSec;
if (aggressive)
{
if (ctrlX)
sendCount.append(CmdResponse("(CTRL-X)", line.length(), currLine));
else
sendCount.append(CmdResponse(buf, line.length(), currLine));
//diag("DG Buffer Add %d", sendCount.size());
emit setQueuedCommands(sendCount.size(), true);
waitForOk(result, waitSecActual, false, false, aggressive, false);
if (shutdownState.get())
return false;
}
if (!port.SendBuf(buf, line.length()))
{
QString msg = tr("Sending to port failed") ;
err("%s", qPrintable(msg));
emit addList(msg);
emit sendMsg(msg);
return false;
}
else
{
sentI++;
if (!waitForOk(result, waitSecActual, sentReqForLocation, sentReqForParserState, aggressive, false))
{
diag(qPrintable(tr("WAITFOROK FAILED\n")));
if (shutdownState.get())
return false;
if (!recordResponseOnFail && !(resetState.get() || abortState.get()))
{
QString msg = tr("Wait for ok failed");
emit addList(msg);
emit sendMsg(msg);
}
return false;
}
else
{
if (sentReqForSettings)
{
QStringList list = result.split("$");
for (int i = 0; i < list.size(); i++)
{
QString item = list.at(i);
const QRegExp rx(REGEXP_SETTINGS_LINE);
if (rx.indexIn(item, 0) != -1 && rx.captureCount() == 3)
{
QStringList capList = rx.capturedTexts();
if (!capList.at(1).compare("13"))
{
if (!capList.at(2).compare("0"))
{
if (!controlParams.useMm)
incorrectLcdDisplayUnits = true;
}
else
{
if (controlParams.useMm)
incorrectLcdDisplayUnits = true;
}
break;
}
}
}
settingsItemCount.set(list.size());
}
}
}
return true;
}
bool GCode::waitForOk(QString& result, int waitSec, bool sentReqForLocation, bool sentReqForParserState, bool aggressive, bool finalize)
{
int okcount = 0;
if (aggressive)
{
//if (!port.bytesAvailable()) //more conservative code
if (!finalize || !port.bytesAvailable())
{
int total = 0;
bool haveWait = false;
foreach (CmdResponse cmdResp, sendCount)
{
total += cmdResp.count;
if (cmdResp.waitForMe)
{
haveWait = true;
}
}
//printf("Total out (a): %d (%d) (%d)\n", total, sendCount.size(), haveWait);
if (!haveWait)
{
if (total < (GRBL_RX_BUFFER_SIZE - 1))
{
return true;
}
}
}
}
char tmp[BUF_SIZE + 1] = {0};
int count = 0;
int waitCount = waitSec * 10;// multiplier depends on sleep values below
bool status = true;
result.clear();
while (!result.contains(RESPONSE_OK) && !result.contains(RESPONSE_ERROR) && !resetState.get())
{
int n = port.PollComportLine(tmp, BUF_SIZE);
if (n == 0)
{
if (aggressive && sendCount.size() == 0)
return false;
count++;
SLEEP(100);
}
else if (n < 0)
{
QString Mes(tr("Error reading data from COM port\n")) ;
err(qPrintable(Mes));
if (aggressive && sendCount.size() == 0)
return false;
}
else
{
tmp[n] = 0;
result.append(tmp);
QString tmpTrim(tmp);
int pos = tmpTrim.indexOf(port.getDetectedLineFeed());
if (pos != -1)
tmpTrim.remove(pos, port.getDetectedLineFeed().size());
QString received(tmp);
if (aggressive)
{
if (received.contains(RESPONSE_OK))
{
if (sendCount.isEmpty()) {
err(qPrintable(tr("Unexpected: list is empty (o)!")));
}
else
{
CmdResponse cmdResp = sendCount.takeFirst();
diag(qPrintable(tr("GOT[%d]: '%s' for '%s' (aggressive)\n")), cmdResp.line,
tmpTrim.toLocal8Bit().constData(), cmdResp.cmd.trimmed().toLocal8Bit().constData());
//diag("DG Buffer %d", sendCount.size());
emit setQueuedCommands(sendCount.size(), true);
}
rcvdI++;
okcount++;
}
else if (received.contains(RESPONSE_ERROR))
{
QString orig(tr("Error?"));
if (sendCount.isEmpty())
err(qPrintable(tr("Unexpected: list is empty (e)!")));
else
{
CmdResponse cmdResp = sendCount.takeFirst();
orig = cmdResp.cmd;
diag(qPrintable(tr("GOT[%d]: '%s' for '%s' (aggressive)\n")), cmdResp.line,
tmpTrim.toLocal8Bit().constData(), cmdResp.cmd.trimmed().toLocal8Bit().constData());
//diag("DG Buffer %d", sendCount.size());
emit setQueuedCommands(sendCount.size(), true);
}
errorCount++;
QString result;
QTextStream(&result) << received << " [for " << orig << "]";
emit addList(result);
grblCmdErrors.append(result);
rcvdI++;
}
else
{
diag(qPrintable(tr("GOT: '%s' (aggressive)\n")), tmpTrim.trimmed().toLocal8Bit().constData());
parseCoordinates(received, aggressive);
}
int total = 0;
foreach (CmdResponse cmdResp, sendCount)
{
total += cmdResp.count;
}
//printf("Total out (b): %d (%d)\n", total, sendCount.size());
//printf("SENT:%d RCVD:%d\n", sentI, rcvdI);
if (total >= (GRBL_RX_BUFFER_SIZE - 1))
{
//diag("DG Loop again\n");
result.clear();
continue;
}
else if (port.bytesAvailable())
{
// comment out this block for more conservative approach
if (!finalize && okcount > 0)
{
//diag("DG Leave early\n");
return true;
}
result.clear();
continue;
}
else
{
return true;
}
}
else
{
diag(qPrintable(tr("GOT:%s\n")), tmpTrim.toLocal8Bit().constData());
}
if (!received.contains(RESPONSE_OK) && !received.contains(RESPONSE_ERROR))
{
if (sentReqForParserState)
{
const QRegExp rx("\\[([\\s\\w\\.\\d]+)\\]");
if (rx.indexIn(received, 0) != -1 && rx.captureCount() == 1)
{
QStringList list = rx.capturedTexts();
if (list.size() == 2)
{
QStringList items = list.at(1).split(" ");
if (items.contains("G20"))// inches
{
if (controlParams.useMm)
incorrectMeasurementUnits = true;
else
incorrectMeasurementUnits = false;
}
else if (items.contains("G21"))// millimeters
{
if (controlParams.useMm)
incorrectMeasurementUnits = false;
else
incorrectMeasurementUnits = true;
}
else
{
// not in list!
incorrectMeasurementUnits = true;
}
}
}
}
else
{
parseCoordinates(received, aggressive);
}
}
count = 0;
}
SLEEP(100);
if (count > waitCount)
{
// waited too long for a response, fail
status = false;
break;
}
}
if (shutdownState.get())
{
return false;
}
if (status)
{
if (!aggressive)
SLEEP(100);
if (resetState.get())
{
QString msg(tr("Wait interrupted by user"));
err("%s", qPrintable(msg));
emit addList(msg);
}
}
if (result.contains(RESPONSE_ERROR))
{
errorCount++;
// skip over errors
//status = false;
}
QStringList list = QString(result).split(port.getDetectedLineFeed());
QStringList listToSend;
for (int i = 0; i < list.size(); i++)
{
if (list.at(i).length() > 0 && list.at(i) != RESPONSE_OK && !sentReqForLocation && !list.at(i).startsWith("MPos:["))
listToSend.append(list.at(i));
}
sendStatusList(listToSend);
if (resetState.get())
{
// we have been told by the user to stop.
status = false;
}
return status;
}
bool GCode::waitForStartupBanner(QString& result, int waitSec, bool failOnNoFound)
{
char tmp[BUF_SIZE + 1] = {0};
int count = 0;
int waitCount = waitSec * 10;// multiplier depends on sleep values below
bool status = true;
result.clear();
while (!resetState.get())
{
int n = port.PollComportLine(tmp, BUF_SIZE);
if (n == 0)
{
count++;
SLEEP(100);
}
else if (n < 0)
{
err(qPrintable(tr("Error reading data from COM port\n")) );
}
else
{
tmp[n] = 0;
result.append(tmp);
QString tmpTrim(tmp);
int pos = tmpTrim.indexOf(port.getDetectedLineFeed());
if (pos != -1)
tmpTrim.remove(pos, port.getDetectedLineFeed().size());
diag(qPrintable(tr("GOT:%s\n")), tmpTrim.toLocal8Bit().constData());
if (tmpTrim.length() > 0)
{
if (!checkGrbl(tmpTrim))
{
if (failOnNoFound)
{
QString msg(tr("Expecting Grbl version string. Unable to parse response."));
emit addList(msg);
emit sendMsg(msg);
closePort(false);
}
status = false;
}
else
{
emit enableGrblDialogButton();
}
break;
}
}
SLEEP(100);
if (count > waitCount)
{
if (failOnNoFound)
{
// waited too long for a response, fail
QString msg(tr("No data from COM port after connect. Expecting Grbl version string."));
emit addList(msg);
emit sendMsg(msg);
closePort(false);
}
status = false;
break;
}
}
if (shutdownState.get())
{
return false;
}
if (status)
{
if (resetState.get())
{
QString msg(tr("Wait interrupted by user (startup)"));
err("%s", qPrintable(msg));
emit addList(msg);
}
}
if (result.contains(RESPONSE_ERROR))
{
errorCount++;
// skip over errors
//status = false;
}
QStringList list = QString(result).split(port.getDetectedLineFeed());
QStringList listToSend;
for (int i = 0; i < list.size(); i++)
{
if (list.at(i).length() > 0 && list.at(i) != RESPONSE_OK)
listToSend.append(list.at(i));
}
sendStatusList(listToSend);
if (resetState.get())
{
// we have been told by the user to stop.
status = false;
}
return status;
}
void GCode::parseCoordinates(const QString& received, bool aggressive)
{
if (aggressive)
{
int ms = parseCoordTimer.elapsed();
if (ms < 500)
return;
parseCoordTimer.restart();
}
bool good = false;
int captureCount ;
QString state;
QString prepend;
QString append;
QString preamble = "([a-zA-Z]+),MPos:";
if (!doubleDollarFormat)
{
prepend = "\\[";
append = "\\]";
preamble = "MPos:" ;
}
QString coordRegExp;
QRegExp rxStateMPos;
QRegExp rxWPos;
/// 3 axis
QString format("(-*\\d+\\.\\d+),(-*\\d+\\.\\d+)") ;
int maxaxis = MAX_AXIS_COUNT, naxis ;
for (naxis = DEFAULT_AXIS_COUNT; naxis <= maxaxis; naxis++) {
if (!doubleDollarFormat)
captureCount = naxis ;
else
captureCount = naxis + 1 ;
//
format += ",(-*\\d+\\.\\d+)" ;
coordRegExp = prepend + format + append ;
rxStateMPos = QRegExp(preamble + coordRegExp);
rxWPos = QRegExp(QString("WPos:") + coordRegExp);
good = rxStateMPos.indexIn(received, 0) != -1
&& rxStateMPos.captureCount() == captureCount
&& rxWPos.indexIn(received, 0) != -1
&& rxWPos.captureCount() == naxis
;
// find ...
if (good)
break;
}
if (good) { /// naxis contains number axis
if (numaxis <= DEFAULT_AXIS_COUNT)
{
if (naxis > DEFAULT_AXIS_COUNT)
{
QString msg = tr("Incorrect - extra axis present in hardware but options set for only 3 axes. Please fix options.");
emit addList(msg);
emit sendMsg(msg);
}
}
else
{
if (naxis <= DEFAULT_AXIS_COUNT)
{
QString msg = tr("Incorrect - extra axis not present in hardware but options set for > 3 axes. Please fix options.");
emit addList(msg);
emit sendMsg(msg);
}
}
numaxis = naxis;
QStringList list = rxStateMPos.capturedTexts();
int index = 1;
if (doubleDollarFormat)
state = list.at(index++);
machineCoord.x = list.at(index++).toFloat();
machineCoord.y = list.at(index++).toFloat();
machineCoord.z = list.at(index++).toFloat();
if (numaxis == MAX_AXIS_COUNT)
machineCoord.fourth = list.at(index++).toFloat();
list = rxWPos.capturedTexts();
workCoord.x = list.at(1).toFloat();
workCoord.y = list.at(2).toFloat();
workCoord.z = list.at(3).toFloat();
if (numaxis == MAX_AXIS_COUNT)
workCoord.fourth = list.at(4).toFloat();
if (state != "Run")
workCoord.stoppedZ = true;
else
workCoord.stoppedZ = false;
workCoord.sliderZIndex = sliderZCount;
if (numaxis == DEFAULT_AXIS_COUNT)
diag(qPrintable(tr("Decoded: State:%s MPos: %f,%f,%f WPos: %f,%f,%f\n")),
qPrintable(state),
machineCoord.x, machineCoord.y, machineCoord.z,
workCoord.x, workCoord.y, workCoord.z
);
else if (numaxis == MAX_AXIS_COUNT)
diag(qPrintable(tr("Decoded: State:%s MPos: %f,%f,%f,%f WPos: %f,%f,%f,%f\n")),
qPrintable(state),
machineCoord.x, machineCoord.y, machineCoord.z, machineCoord.fourth,
workCoord.x, workCoord.y, workCoord.z, workCoord.fourth
);
if (workCoord.z > maxZ)
maxZ = workCoord.z;
emit updateCoordinates(machineCoord, workCoord);
emit setLivePoint(workCoord.x, workCoord.y, controlParams.useMm, positionValid);
emit setLastState(state);
lastState = state;
return;
}
// TODO fix to print
//if (!good /*&& received.indexOf("MPos:") != -1*/)
// err(qPrintable(tr("Error decoding position data! [%s]\n")), qPrintable(received));
lastState = "";
}
void GCode::sendStatusList(QStringList& listToSend)
{
if (listToSend.size() > 1)
{
emit addListFull(listToSend);
}
else if (listToSend.size() == 1)
{
emit addList(listToSend.at(0));
}
}
// called once a second to capture any random strings that come from the controller
void GCode::timerEvent(QTimerEvent *event)
{
Q_UNUSED(event);
if (port.isPortOpen())
{
char tmp[BUF_SIZE + 1] = {0};
QString result;
for (int i = 0; i < 10 && !shutdownState.get() && !resetState.get(); i++)
{
int n = port.PollComport(tmp, BUF_SIZE);
if (n == 0)
break;