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/****************************************************************************
*
*
* Authors:
* F.Ferro ferro@ge.infn.it
*
****************************************************************************/
#ifndef CondFormats_PPSObjects_CTPPSPixelFramePosition
#define CondFormats_PPSObjects_CTPPSPixelFramePosition
#include <iostream>
#include <string>
#include "CondFormats/Serialization/interface/Serializable.h"
/**
* Uniquely identifies the DAQ channel through which a ROC frame has been received.
*
* The internal representation has the following structure:
* \verbatim
* | 32 bits raw position |
* | 11 bits | 12 bits | 1 bit | 6 bits | 2bits |
* | empty | FED ID | FMC 0-1 | fiber index 0-12 | ROC 0-2 |
* \endverbatim
*
**/
class CTPPSPixelFramePosition {
public:
static const unsigned int offsetROC = 0, maskROC = 0x3;
static const unsigned int offsetChannelIdx = 2, maskChannelIdx = 0x3F;
static const unsigned int offsetFMCId = 8, maskFMCId = 0x1;
static const unsigned int offsetFEDId = 9, maskFEDId = 0xFFF;
/// the preferred constructor
CTPPSPixelFramePosition(unsigned short FEDId, unsigned short FMCId, unsigned short ChannelIdx, unsigned short ROC)
: rawPosition(ROC << offsetROC | ChannelIdx << offsetChannelIdx | FMCId << FMCId | FEDId << offsetFEDId) {}
/// don't use this constructor unless you have a good reason
CTPPSPixelFramePosition(unsigned int pos = 0) : rawPosition(pos) {}
~CTPPSPixelFramePosition() {}
/// recomended getters and setters
unsigned short getFEDId() const { return (rawPosition >> offsetFEDId) & maskFEDId; }
void setFEDId(unsigned short v) {
v &= maskFEDId;
rawPosition &= 0xFFFFFFFF - (maskFEDId << offsetFEDId);
rawPosition |= (v << offsetFEDId);
}
unsigned short getChannelIdx() const { return (rawPosition >> offsetChannelIdx) & maskChannelIdx; }
void setChannelIdx(unsigned short v) {
v &= maskChannelIdx;
rawPosition &= 0xFFFFFFFF - (maskChannelIdx << offsetChannelIdx);
rawPosition |= (v << offsetChannelIdx);
}
unsigned short getROC() const { return (rawPosition >> offsetROC) & maskROC; }
void setROC(unsigned short v) {
v &= maskROC;
rawPosition &= 0xFFFFFFFF - (maskROC << offsetROC);
rawPosition |= (v << offsetROC);
}
unsigned short getFMCId() const { return (rawPosition >> offsetFMCId) & maskFMCId; }
void setFMCId(unsigned short v) {
v &= maskFMCId;
rawPosition &= 0xFFFFFFFF - (maskFMCId << offsetFMCId);
rawPosition |= (v << offsetFMCId);
}
unsigned int getRawPosition() const { return rawPosition; }
bool operator<(const CTPPSPixelFramePosition &pos) const { return (rawPosition < pos.rawPosition); }
bool operator==(const CTPPSPixelFramePosition &pos) const { return (rawPosition == pos.rawPosition); }
/// Condensed representation of the DAQ channel.
/// prints 5-digit hex number,
friend std::ostream &operator<<(std::ostream &s, const CTPPSPixelFramePosition &fp);
/// prints XML formatted DAQ channel to stdout
void printXML();
/// Sets attribute with XML name 'attribute' and value 'value'.
/// Also turns on attribute presents bit in the flag parameter
/// returns 0 if the attribute is known, non-zero value else
unsigned char setXMLAttribute(const std::string &attribute, const std::string &value, unsigned char &flag);
/// returns true if all attributes have been set
static bool checkXMLAttributeFlag(unsigned char flag) { return (flag == 0xF); }
protected:
unsigned int rawPosition;
COND_SERIALIZABLE;
};
#endif
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