#include <SiStripFEDBuffer.h>

Public Member Functions
uint8_t	adc () const
	FEDZSChannelUnpacker ()
bool	hasData () const
FEDZSChannelUnpacker &	operator++ ()
FEDZSChannelUnpacker &	operator++ (int)
uint8_t	sampleNumber () 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, const size_t channelPayloadOffset, const int16_t channelPayloadLength)
void	readNewClusterInfo ()
void	throwBadClusterLength ()
Static Private Member Functions
static void	throwBadChannelLength (const uint16_t length)
static void	throwUnorderedData (const uint8_t currentStrip, const uint8_t firstStripOfNewCluster)
Private Attributes
uint16_t	channelPayloadLength_
uint16_t	channelPayloadOffset_
size_t	currentOffset_
uint8_t	currentStrip_
const uint8_t *	data_
uint8_t	valuesLeftInCluster_

Detailed Description

Definition at line 81 of file SiStripFEDBuffer.h.

Constructor & Destructor Documentation

sistrip::FEDZSChannelUnpacker::FEDZSChannelUnpacker ( ) [inline]

Definition at line 205 of file SiStripFEDBuffer.h.

    : data_(NULL),
      valuesLeftInCluster_(0),
      channelPayloadOffset_(0),
      channelPayloadLength_(0)
    { }

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

Definition at line 212 of file SiStripFEDBuffer.h.

References channelPayloadLength_, and readNewClusterInfo().

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

Member Function Documentation

uint8_t sistrip::FEDZSChannelUnpacker::adc ( ) const [inline]

Definition at line 244 of file SiStripFEDBuffer.h.

References currentOffset_, and data_.

Referenced by sistrip::RawToDigiUnpacker::createDigis(), and sistrip::RawToClustersLazyUnpacker::fill().

    {
      return data_[currentOffset_^7];
    }

bool sistrip::FEDZSChannelUnpacker::hasData ( ) const [inline]

Definition at line 249 of file SiStripFEDBuffer.h.

References channelPayloadLength_, channelPayloadOffset_, and currentOffset_.

Referenced by sistrip::RawToDigiUnpacker::createDigis(), sistrip::RawToClustersLazyUnpacker::fill(), and operator++().

    {
      return (currentOffset_<channelPayloadOffset_+channelPayloadLength_);
    }

FEDZSChannelUnpacker & sistrip::FEDZSChannelUnpacker::operator++ ( void ) [inline]

Definition at line 254 of file SiStripFEDBuffer.h.

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

    {
      if (valuesLeftInCluster_) {
        currentStrip_++;
        currentOffset_++;
        valuesLeftInCluster_--;
      } else {
        currentOffset_++;
        if (hasData()) {
          const uint8_t oldStrip = currentStrip_;
          readNewClusterInfo();
          if ( !(currentStrip_ > oldStrip) ) throwUnorderedData(oldStrip,currentStrip_);
        }
      }
      return (*this);
    }

FEDZSChannelUnpacker & sistrip::FEDZSChannelUnpacker::operator++ ( int ) [inline]

Definition at line 271 of file SiStripFEDBuffer.h.

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

void sistrip::FEDZSChannelUnpacker::readNewClusterInfo ( ) [inline, private]

Definition at line 276 of file SiStripFEDBuffer.h.

References currentOffset_, currentStrip_, data_, and valuesLeftInCluster_.

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

    {
      currentStrip_ = data_[(currentOffset_++)^7];
      valuesLeftInCluster_ = data_[(currentOffset_++)^7]-1;
    }

uint8_t sistrip::FEDZSChannelUnpacker::sampleNumber ( ) const [inline]

Definition at line 239 of file SiStripFEDBuffer.h.

References currentStrip_.

Referenced by sistrip::RawToDigiUnpacker::createDigis(), and sistrip::RawToClustersLazyUnpacker::fill().

    {
      return currentStrip_;
    }

void sistrip::FEDZSChannelUnpacker::throwBadChannelLength ( const uint16_t length ) [static, private]

Definition at line 436 of file SiStripFEDBuffer.cc.

References Exception.

Referenced by zeroSuppressedLiteModeUnpacker(), and zeroSuppressedModeUnpacker().

  {
    std::ostringstream 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 445 of file SiStripFEDBuffer.cc.

References Exception, and valuesLeftInCluster_.

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

void sistrip::FEDZSChannelUnpacker::throwUnorderedData	(	const uint8_t	currentStrip,
		const uint8_t	firstStripOfNewCluster
	)		`[static, private]`

Definition at line 454 of file SiStripFEDBuffer.cc.

References Exception.

Referenced by operator++().

  {
    std::ostringstream ss;
    ss << "First strip of new cluster is not greater than last strip of previous cluster. "
       << "Last strip of previous cluster is " << uint16_t(currentStrip) << ". "
       << "First strip of new cluster is " << uint16_t(firstStripOfNewCluster) << "."
       << std::endl;
    throw cms::Exception("FEDBuffer") << ss.str();
  }

FEDZSChannelUnpacker sistrip::FEDZSChannelUnpacker::zeroSuppressedLiteModeUnpacker ( const FEDChannel & channel ) [inline, static]

Definition at line 231 of file SiStripFEDBuffer.h.

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

Referenced by sistrip::RawToDigiUnpacker::createDigis(), and sistrip::RawToClustersLazyUnpacker::fill().

    {
      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 223 of file SiStripFEDBuffer.h.

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

Referenced by sistrip::RawToDigiUnpacker::createDigis(), and sistrip::RawToClustersLazyUnpacker::fill().

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