bool checkRoiConsistency	(	const READ_STRUCT &	rd,
		uint16_t	roi[]
	)

Definition at line 515 of file EventBuilder.cc.

References factPrintf(), MessageImp::kError, MessageImp::kFatal, and READ_STRUCT::S.

Referenced by mBufEvt().

{
    int xjr = -1;
    int xkr = -1;

    //points to the very first roi
    int roiPtr = sizeof(PEVNT_HEADER)/2 + 2;

    roi[0] = ntohs(rd.S[roiPtr]);

    for (int jr = 0; jr < 9; jr++)
    {
        roi[jr] = ntohs(rd.S[roiPtr]);

        if (roi[jr]>1024)
        {
            factPrintf(MessageImp::kError, "Illegal roi in channel %d (allowed: roi<=1024)", jr, roi[jr]);
            return false;
        }

        // Check that the roi of pixels jr are compatible with the one of pixel 0
        if (jr!=8 && roi[jr]!=roi[0])
        {
            xjr = jr;
            break;
        }

        // Check that the roi of all other DRS chips on boards are compatible
        for (int kr = 1; kr < 4; kr++)
        {
            const int kroi = ntohs(rd.S[roiPtr]);
            if (kroi != roi[jr])
            {
                xjr = jr;
                xkr = kr;
                break;
            }
            roiPtr += kroi+4;
        }
    }

    if (xjr>=0)
    {
        if (xkr<0)
            factPrintf(MessageImp::kFatal, "Inconsistent Roi accross chips [DRS=%d], expected %d, got %d", xjr, roi[0], roi[xjr]);
        else
            factPrintf(MessageImp::kFatal, "Inconsistent Roi accross channels [DRS=%d Ch=%d], expected %d, got %d", xjr, xkr, roi[xjr], ntohs(rd.S[roiPtr]));

        return false;
    }

    if (roi[8] < roi[0])
    {
        factPrintf(MessageImp::kError, "Mismatch of roi (%d) in channel 8. Should be larger or equal than the roi (%d) in channel 0.", roi[8], roi[0]);
        return false;
    }

    return true;
}

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