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path: root/tracker-hatire/ftnoir_tracker_hat.cpp
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/* Homepage         http://facetracknoir.sourceforge.net/home/default.htm        *
 *                                                                               *
 * ISC License (ISC)                                                             *
 *                                                                               *
 * Copyright (c) 2015, Wim Vriend                                                *
 *                                                                               *
 * Permission to use, copy, modify, and/or distribute this software for any      *
 * purpose with or without fee is hereby granted, provided that the above        *
 * copyright notice and this permission notice appear in all copies.             *
 */
#include <QDebug>
#include "ftnoir_tracker_hat.h"

hatire::hatire()
{
	HAT.Rot[0]=0;
	HAT.Rot[1]=0;
	HAT.Rot[2]=0;
	HAT.Trans[0]=0;
	HAT.Trans[1]=0;
	HAT.Trans[2]=0;

	Begin.append((char) 0xAA);
	Begin.append((char) 0xAA);
	End.append((char) 0x55);
	End.append((char) 0x55);
	
	settings.load_ini();
}

hatire::~hatire()
{
}

//send RESET to Arduino
void hatire::reset()
{
    t.sendcmd(ts.sCmdReset);
}

// return FPS 
void hatire::get_info( int *tps )
{
	*tps=frame_cnt;
	frame_cnt=0;
}
void hatire::start_tracker(QFrame*)
{
	CptError=0;
	frame_cnt=0;
    new_frame=false;
	settings.load_ini();
	applysettings(settings);
    t.Log("Starting Tracker");

    serial_result ret = t.init_serial_port();

    switch (ret.code)
    {
    case result_ok:
        break;
    case result_error:
        QMessageBox::warning(0,"Error", ret.error, QMessageBox::Ok,QMessageBox::NoButton);
        break;
    case result_open_error:
        QMessageBox::warning(0,"Error", "Unable to open ComPort: " + ret.error, QMessageBox::Ok,QMessageBox::NoButton);
        break;
    }

    t.start(ts);
}

void hatire::serial_info()
{
    t.serial_info();
}

void hatire::send_serial_command(const QByteArray& x)
{
    t.sendcmd(x);
}

//
// Return 6DOF info
//
void hatire::data(double *data)
{
    {
        QMutexLocker l(&t.data_mtx);

        bool ok = false;

        QByteArray& data_read = t.send_data_read_nolock(ok);

        if (ok)
        {

            while (data_read.length() >= 30)
            {
                //t.Log(data_read.toHex());
                // .Begin==0xAAAA .End==0x5555
                if (data_read[0] == Begin[0] && data_read[1] == Begin[1] &&
                    data_read[28] == End[0] && data_read[29] == End[1])
                {
                    QDataStream stream(&data_read, QIODevice::ReadOnly);

                    if (ts.bBigEndian)
                        stream.setByteOrder(QDataStream::BigEndian);
                    else
                        stream.setByteOrder(QDataStream::LittleEndian);

                    stream >> ArduinoData;

                    frame_cnt++;

                    if (ArduinoData.Code <= 1000)
                        HAT = ArduinoData;
                    else
                        emit t.serial_debug_info(data_read.mid(4,24))  ;
                    data_read.remove(0, 30);
                }
                else
                {
                    bool ok = true;
                    // resync frame
                    int index =	data_read.indexOf(Begin);
                    if (index == -1)
                    {
                        ok = false;
                        index = data_read.length();
                    }
                    emit t.serial_debug_info(data_read.mid(0,index));

                    if (!ok)
                        data_read.clear();
                    else
                        data_read.remove(0, index);

                    CptError++;

                    qDebug() << QTime::currentTime() << "hatire resync stream" << "index" << index << "ok" << ok;
                }
            }

            t.replace_data_nolock(std::move(data_read));
        }
    }

    if (CptError > 50)
    {
        emit t.serial_debug_info("Can't find HAT frame");
		CptError=0;
	}

    // XXX fix copy-pasted code -sh 20160410

	// Need to handle this differently in opentrack as opposed to tracknoir
    //if  (new_frame) { 
	// in open track always populate the data, it seems opentrack always gives us a zeroed data structure to populate with pose data.
	// if we have no new data, we don't populate it and so 0 pose gets handed back which is wrong. By always running the code below, if we 
	// have no new data, we will just give it the previous pose data which is the best thing we can do really.

    const struct
    {
        bool enable;
        bool sign;
        float input;
        double& place;
    } spec[] =
    {
        { bEnableX, bInvertX, HAT.Trans[iXAxis], data[TX] },
        { bEnableY, bInvertY, HAT.Trans[iYAxis], data[TY] },
        { bEnableZ, bInvertZ, HAT.Trans[iZAxis], data[TZ] },
        { bEnableYaw, bInvertYaw, HAT.Rot[iYawAxis], data[Yaw] },
        { bEnablePitch, bInvertPitch, HAT.Rot[iPitchAxis], data[Pitch] },
        { bEnableRoll, bInvertRoll, HAT.Rot[iRollAxis], data[Roll] },
    };

    for (unsigned i = 0; i < sizeof(spec) / sizeof(*spec); i++)
    {
        auto& k = spec[i];
        k.place = (k.sign ? -1.f : 1.f) * (k.enable ? k.input : 0.f);
    }

	// For debug
	//data->x=dataRead.length();
	//data->y=CptError;
}

//
// Apply modification Settings 
//
void hatire::applysettings(const TrackerSettings& settings)
{
    ts.sSerialPortName = settings.SerialPortName;

	bEnableRoll = settings.EnableRoll;
	bEnablePitch = settings.EnablePitch;
	bEnableYaw = settings.EnableYaw;
	bEnableX = settings.EnableX;
	bEnableY = settings.EnableY;
	bEnableZ = settings.EnableZ;

	bInvertRoll = settings.InvertRoll;
	bInvertPitch = settings.InvertPitch;
	bInvertYaw = settings.InvertYaw;
	bInvertX = settings.InvertX;
	bInvertY = settings.InvertY;
	bInvertZ = settings.InvertZ;
    ts.bEnableLogging = settings.EnableLogging;

	iRollAxis= settings.RollAxis;
	iPitchAxis= settings.PitchAxis;
	iYawAxis= settings.YawAxis;
	iXAxis= settings.XAxis;
	iYAxis= settings.YAxis;
	iZAxis= settings.ZAxis;

    ts.iBaudRate=settings.pBaudRate;
    ts.iDataBits=settings.pDataBits;
    ts.iParity=settings.pParity;
    ts.iStopBits=settings.pStopBits;
    ts.iFlowControl=settings.pFlowControl;

    ts.sCmdStart= settings.CmdStart.toLatin1();
    ts.sCmdStop= settings.CmdStop.toLatin1();
    ts.sCmdInit= settings.CmdInit.toLatin1();
    ts.sCmdReset= settings.CmdReset.toLatin1();
    ts.sCmdCenter= settings.CmdCenter.toLatin1();
    ts.sCmdZero= settings.CmdZero.toLatin1();
    ts.iDelayInit=settings.DelayInit;
    ts.iDelayStart=settings.DelayStart;
    ts.iDelaySeq=settings.DelaySeq;
    ts.bBigEndian=settings.BigEndian;

    t.update_serial_settings(ts);
}

#include "ftnoir_tracker_hat_dialog.h"
OPENTRACK_DECLARE_TRACKER(hatire, TrackerControls, TrackerDll)