xssyncsetting.c

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//  Copyright (c) 2003-2021 Xsens Technologies B.V. or subsidiaries worldwide.
//  All rights reserved.
//  
//  Redistribution and use in source and binary forms, with or without modification,
//  are permitted provided that the following conditions are met:
//  
//  1.  Redistributions of source code must retain the above copyright notice,
//      this list of conditions, and the following disclaimer.
//  
//  2.  Redistributions in binary form must reproduce the above copyright notice,
//      this list of conditions, and the following disclaimer in the documentation
//      and/or other materials provided with the distribution.
//  
//  3.  Neither the names of the copyright holders nor the names of their contributors
//      may be used to endorse or promote products derived from this software without
//      specific prior written permission.
//  
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
//  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
//  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
//  THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
//  SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
//  OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
//  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR
//  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.THE LAWS OF THE NETHERLANDS 
//  SHALL BE EXCLUSIVELY APPLICABLE AND ANY DISPUTES SHALL BE FINALLY SETTLED UNDER THE RULES 
//  OF ARBITRATION OF THE INTERNATIONAL CHAMBER OF COMMERCE IN THE HAGUE BY ONE OR MORE 
//  ARBITRATORS APPOINTED IN ACCORDANCE WITH SAID RULES.
//  
 
 
//  Copyright (c) 2003-2021 Xsens Technologies B.V. or subsidiaries worldwide.
//  All rights reserved.
//  
//  Redistribution and use in source and binary forms, with or without modification,
//  are permitted provided that the following conditions are met:
//  
//  1.  Redistributions of source code must retain the above copyright notice,
//      this list of conditions, and the following disclaimer.
//  
//  2.  Redistributions in binary form must reproduce the above copyright notice,
//      this list of conditions, and the following disclaimer in the documentation
//      and/or other materials provided with the distribution.
//  
//  3.  Neither the names of the copyright holders nor the names of their contributors
//      may be used to endorse or promote products derived from this software without
//      specific prior written permission.
//  
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
//  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
//  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
//  THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
//  SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
//  OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
//  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR
//  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.THE LAWS OF THE NETHERLANDS 
//  SHALL BE EXCLUSIVELY APPLICABLE AND ANY DISPUTES SHALL BE FINALLY SETTLED UNDER THE RULES 
//  OF ARBITRATION OF THE INTERNATIONAL CHAMBER OF COMMERCE IN THE HAGUE BY ONE OR MORE 
//  ARBITRATORS APPOINTED IN ACCORDANCE WITH SAID RULES.
//  
 
#include "xssyncsetting.h"
#include <string.h>
 
int XsSyncSetting_isInput(const XsSyncSetting* thisPtr)
{
        switch (thisPtr->m_line)
        {
                case XSL_In1:
                case XSL_In2:
                case XSL_Bi1In:
                case XSL_ClockIn:
                case XSL_CtsIn:
                        return 1;
 
                default:
                        return 0;
        }
}
 
int XsSyncSetting_isOutput(const XsSyncSetting* thisPtr)
{
        switch (thisPtr->m_line)
        {
                case XSL_Out1:
                case XSL_Out2:
                case XSL_Bi1Out:
                case XSL_RtsOut:
                        return 1;
 
                default:
                        return 0;
        }
}
 
void XsSyncSetting_swap(XsSyncSetting* a, XsSyncSetting* b)
{
        XsSyncSetting tmp;
        memcpy(&tmp, a, sizeof(XsSyncSetting));
        memcpy(a, b, sizeof(XsSyncSetting));
        memcpy(b, &tmp, sizeof(XsSyncSetting));
}
 
int XsSyncSetting_compare(const struct XsSyncSetting* a, const struct XsSyncSetting* b)
{
        assert(a && b);
 
        if (a->m_line < b->m_line)
                return -1;
        if (b->m_line < a->m_line)
                return 1;
        if (a->m_function < b->m_function)
                return -1;
        if (b->m_function < a->m_function)
                return 1;
        if (a->m_polarity < b->m_polarity)
                return -1;
        if (b->m_polarity < a->m_polarity)
                return 1;
        if (XsSyncSetting_isOutput(a))
        {
                // only relevant for output triggers, ignored for inputs since inputs always trigger on an edge
                if (a->m_pulseWidth < b->m_pulseWidth)
                        return -1;
                if (b->m_pulseWidth < a->m_pulseWidth)
                        return 1;
        }
        if (a->m_offset < b->m_offset)
                return -1;
        if (b->m_offset < a->m_offset)
                return 1;
        if (a->m_skipFirst < b->m_skipFirst)
                return -1;
        if (b->m_skipFirst < a->m_skipFirst)
                return 1;
        if (a->m_skipFactor < b->m_skipFactor)
                return -1;
        if (b->m_skipFactor < a->m_skipFactor)
                return 1;
        if (a->m_function == XSF_ClockBiasEstimation)
        {
                if (a->m_clockPeriod < b->m_clockPeriod)
                        return -1;
                if (b->m_clockPeriod < a->m_clockPeriod)
                        return 1;
        }
        if (a->m_triggerOnce < b->m_triggerOnce)
                return -1;
        if (b->m_triggerOnce < a->m_triggerOnce)
                return 1;
 
        return 0;
}