#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
	)

inlineprivate

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 ( )

inlineprivate

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 )

staticprivate

Definition at line 436 of file SiStripFEDBuffer.cc.

References edm::hlt::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 edm::hlt::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
	)

staticprivate

Definition at line 454 of file SiStripFEDBuffer.cc.

References edm::hlt::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 )

inlinestatic

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 )

inlinestatic

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;
     }