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F4: Klar
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F4: Klar
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F5: Klar
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F5: Klar
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F6: Klar
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F6: Klar
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F7: Klar
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F7: Klar
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F8: Klar? (kontrollera funktion)
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F8: Klar? (kontrollera funktion)
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F9:
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F9: Klar
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*/
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*/
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/*
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/*
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Touch gesture parser
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Touch gesture parser
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Implementation of 'A new gesture recognition algorithm and segmentation
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Implementation of 'A new gesture recognition algorithm and segmentation
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To fix:
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To fix:
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Break out to a driver file
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Break out to a driver file
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*/
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*/
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gesture parseBuffer(point *buffer, uint8_t startIndex, uint8_t endIndex)
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gesture parseBuffer(point *buffer, uint8_t startIndex, uint8_t endIndex)
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{
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{
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    int16_t f1_k = 0, f3_tmp = 0, f4_tmp = 0, f5_tmp = 0, f9_tmp = 0;
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    int16_t f1_k = 0, f3_tmp = 0, f4_tmp = 0, f5_tmp = 0;
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    uint8_t f7_tmp = 0, f7_sign = 0, f1_sign = 0, f3_yref = 0, xMin, xMax, yMin, yMax;
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    uint8_t f7_tmp = 0, f7_sign = 0, f1_sign = 0, f3_yref = 0, xMin, xMax, yMin, yMax, f9_tmp;
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    gesture functionData;
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    gesture functionData;
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    functionData.f1=0;
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    functionData.f1=0;
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    functionData.f7=0;
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    functionData.f7=0;
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    /* Function 6 indicates the sign value of the y coordinates of the last point minus y coordinates of the first point */
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    /* Function 6 indicates the sign value of the y coordinates of the last point minus y coordinates of the first point */
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        if (buffer[i].x > min(buffer[startIndex].x, buffer[endIndex].x) && buffer[i].x < max(buffer[startIndex].x, buffer[endIndex].x))
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        if (buffer[i].x > min(buffer[startIndex].x, buffer[endIndex].x) && buffer[i].x < max(buffer[startIndex].x, buffer[endIndex].x))
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        {
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        {
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            f3_tmp += f3_yref - (buffer[i].y + buffer[i-1].y)/2;
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            f3_tmp += f3_yref - (buffer[i].y + buffer[i-1].y)/2;
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        }
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        }
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        /* find min an max of x and y */
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        /* find min and max of x and y */
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        if (xMin > buffer[i].x)
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        if (xMin > buffer[i].x)
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        {
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        {
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            xMin = buffer[i].x;
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            xMin = buffer[i].x;
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        }
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        }
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        if (xMax < buffer[i].x)
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        if (xMax < buffer[i].x)
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        functionData.f3 = CAN_MODULE_ENUM_TOUCH_GESTURE_F3_M;
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        functionData.f3 = CAN_MODULE_ENUM_TOUCH_GESTURE_F3_M;
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    }
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    }
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    /* Function 9 represents the sign value of the multiplication of x coordinates of the first point and the last point
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    /* Function 9 represents the sign value of the multiplication of x coordinates of the first point and the last point
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    minus the mediate value of x coordinates of all the points */
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    minus the mediate value of x coordinates of all the points */
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    f9_tmp = ((buffer[startIndex].x - (xMax+xMin)/2)*(buffer[endIndex].x - (xMax+xMin)/2));
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    //f9_tmp = ((buffer[startIndex].x - (xMax+xMin)/2)*(buffer[endIndex].x - (xMax+xMin)/2));
- 
 
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- 
 
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    f9_tmp = ((buffer[startIndex].x - (xMax+xMin)/2 > 0) ^ (buffer[endIndex].x - (xMax+xMin)/2 > 0));
- 
 
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    functionData.f9 = CAN_MODULE_ENUM_TOUCH_GESTURE_F9_M;
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    functionData.f9 = CAN_MODULE_ENUM_TOUCH_GESTURE_F9_M;
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    if (f9_tmp > 0)
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    if (!f9_tmp)
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    {
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    {
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        functionData.f9 = CAN_MODULE_ENUM_TOUCH_GESTURE_F9_P;
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        functionData.f9 = CAN_MODULE_ENUM_TOUCH_GESTURE_F9_P;
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    }
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    }
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    /* Function 5 checks the sign value of the sum of the x coordinates of all the points that constitute strokes
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    /* Function 5 checks the sign value of the sum of the x coordinates of all the points that constitute strokes