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sistrip::FEDZSChannelUnpacker Class Reference

#include <EventFilter/SiStripRawToDigi/interface/SiStripFEDBuffer.h>

List of all members.

Public Member Functions
uint8_t	adc () const
	FEDZSChannelUnpacker ()
bool	hasData () const
FEDZSChannelUnpacker &	operator++ (int)
FEDZSChannelUnpacker &	operator++ ()
uint8_t	strip () const
Static Public Member Functions
static FEDZSChannelUnpacker	zeroSuppressedLiteModeUnpacker (const FEDChannel &channel)
static FEDZSChannelUnpacker	zeroSuppressedModeUnpacker (const FEDChannel &channel)
Private Member Functions
	FEDZSChannelUnpacker (const uint8_t *payload, size_t channelPayloadOffset, int16_t channelPayloadLength)
void	readNewClusterInfo ()
void	throwBadClusterLength ()
Static Private Member Functions
static void	throwBadChannelLength (uint16_t length)
Private Attributes
size_t	currentOffset_
uint8_t	currentStrip_
const uint8_t *	data_
int16_t	valuesLeftAfterThisCluster_
uint8_t	valuesLeftInCluster_

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Detailed Description

Definition at line 183 of file SiStripFEDBuffer.h.

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Constructor & Destructor Documentation

sistrip::FEDZSChannelUnpacker::FEDZSChannelUnpacker

(

)

[inline]

Definition at line 188 of file SiStripFEDBuffer.h.

: data_(NULL), valuesLeftInCluster_(0), valuesLeftAfterThisCluster_(0) { }

sistrip::FEDZSChannelUnpacker::FEDZSChannelUnpacker	(	const uint8_t *	payload,
		size_t	channelPayloadOffset,
		int16_t	channelPayloadLength
	)			[inline, private]

Definition at line 307 of file SiStripFEDBuffer.h.

References readNewClusterInfo().

    : data_(payload),
    currentOffset_(channelPayloadOffset),
    currentStrip_(0),
    valuesLeftInCluster_(0),
    valuesLeftAfterThisCluster_(channelPayloadLength)
    {
      readNewClusterInfo();
    }

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Member Function Documentation

uint8_t sistrip::FEDZSChannelUnpacker::adc

(

)

const [inline]

Definition at line 190 of file SiStripFEDBuffer.h.

References currentOffset_, and data_.

{ return data_[currentOffset_^7]; }

bool sistrip::FEDZSChannelUnpacker::hasData

(

)

const [inline]

Definition at line 191 of file SiStripFEDBuffer.h.

References valuesLeftAfterThisCluster_, and valuesLeftInCluster_.

{ return (valuesLeftAfterThisCluster_ || valuesLeftInCluster_); }

FEDZSChannelUnpacker& sistrip::FEDZSChannelUnpacker::operator++

(

int

)

[inline]

Definition at line 193 of file SiStripFEDBuffer.h.

{ ++(*this); return *this; }

FEDZSChannelUnpacker & sistrip::FEDZSChannelUnpacker::operator++

(

void

)

[inline]

Definition at line 327 of file SiStripFEDBuffer.h.

References currentOffset_, currentStrip_, readNewClusterInfo(), and valuesLeftInCluster_.

    {
      if (valuesLeftInCluster_) {
        currentStrip_++;
        currentOffset_++;
        valuesLeftInCluster_--;
      } else {
        currentOffset_++;
        readNewClusterInfo();
      }
      return (*this);
    }

void sistrip::FEDZSChannelUnpacker::readNewClusterInfo

(

)

[inline, private]

Definition at line 317 of file SiStripFEDBuffer.h.

References currentOffset_, currentStrip_, data_, throwBadClusterLength(), valuesLeftAfterThisCluster_, and valuesLeftInCluster_.

Referenced by FEDZSChannelUnpacker(), and operator++().

    {
      if (valuesLeftAfterThisCluster_) {
        currentStrip_ = data_[(currentOffset_++)^7];
        valuesLeftInCluster_ = data_[(currentOffset_++)^7]-1;
        valuesLeftAfterThisCluster_ -= valuesLeftInCluster_+3;
        if (valuesLeftAfterThisCluster_ < 0) throwBadClusterLength();
      }
    }

uint8_t sistrip::FEDZSChannelUnpacker::strip

(

void

)

const [inline]

Definition at line 189 of file SiStripFEDBuffer.h.

References currentStrip_.

{ return currentStrip_; }

void sistrip::FEDZSChannelUnpacker::throwBadChannelLength

(

uint16_t

length

)

[static, private]

Definition at line 525 of file SiStripFEDBuffer.cc.

References lat::endl(), Exception, and ss.

Referenced by zeroSuppressedLiteModeUnpacker(), and zeroSuppressedModeUnpacker().

  {
    std::stringstream ss;
    ss << "Channel length is longer than max allowed value. "
       << "Channel length is " << uint16_t(length) << "."
       << std::endl;
    throw cms::Exception("FEDBuffer") << ss.str();
  }

void sistrip::FEDZSChannelUnpacker::throwBadClusterLength

(

)

[private]

Definition at line 534 of file SiStripFEDBuffer.cc.

References lat::endl(), Exception, ss, and valuesLeftInCluster_.

Referenced by readNewClusterInfo().

  {
    std::stringstream ss;
    ss << "Cluster does not fit into channel. "
       << "Cluster length is " << uint16_t(valuesLeftInCluster_) << "."
       << std::endl;
    throw cms::Exception("FEDBuffer") << ss.str();
  }

FEDZSChannelUnpacker sistrip::FEDZSChannelUnpacker::zeroSuppressedLiteModeUnpacker

(

const FEDChannel &

channel

)

[inline, static]

Definition at line 348 of file SiStripFEDBuffer.h.

References sistrip::FEDChannel::data(), sistrip::FEDChannel::length(), sistrip::FEDChannel::offset(), HLT_VtxMuL3::result, and throwBadChannelLength().

    {
      uint16_t length = channel.length();
      if (length & 0xF000) throwBadChannelLength(length);
      FEDZSChannelUnpacker result(channel.data(),channel.offset()+2,length-2);
      return result;
    }

FEDZSChannelUnpacker sistrip::FEDZSChannelUnpacker::zeroSuppressedModeUnpacker

(

const FEDChannel &

channel

)

[inline, static]

Definition at line 340 of file SiStripFEDBuffer.h.

References sistrip::FEDChannel::data(), sistrip::FEDChannel::length(), sistrip::FEDChannel::offset(), HLT_VtxMuL3::result, and throwBadChannelLength().

    {
      uint16_t length = channel.length();
      if (length & 0xF000) throwBadChannelLength(length);
      FEDZSChannelUnpacker result(channel.data(),channel.offset()+7,length-7);
      return result;
    }

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Member Data Documentation

size_t sistrip::FEDZSChannelUnpacker::currentOffset_ [private]

Definition at line 201 of file SiStripFEDBuffer.h.

Referenced by adc(), operator++(), and readNewClusterInfo().

uint8_t sistrip::FEDZSChannelUnpacker::currentStrip_ [private]

Definition at line 202 of file SiStripFEDBuffer.h.

Referenced by operator++(), readNewClusterInfo(), and strip().

const uint8_t* sistrip::FEDZSChannelUnpacker::data_ [private]

Definition at line 200 of file SiStripFEDBuffer.h.

Referenced by adc(), and readNewClusterInfo().

int16_t sistrip::FEDZSChannelUnpacker::valuesLeftAfterThisCluster_ [private]

Definition at line 204 of file SiStripFEDBuffer.h.

Referenced by hasData(), and readNewClusterInfo().

uint8_t sistrip::FEDZSChannelUnpacker::valuesLeftInCluster_ [private]

Definition at line 203 of file SiStripFEDBuffer.h.

Referenced by hasData(), operator++(), readNewClusterInfo(), and throwBadClusterLength().

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The documentation for this class was generated from the following files:

• EventFilter/SiStripRawToDigi/interface/SiStripFEDBuffer.h
• EventFilter/SiStripRawToDigi/src/SiStripFEDBuffer.cc

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