sistrip::FEDBufferPayloadCreator Class Reference

#include <SiStripFEDBufferGenerator.h>

List of all members.

Public Member Functions
FEDBufferPayload	createPayload (const FEDReadoutMode mode, const FEDStripData &data) const
	FEDBufferPayloadCreator (const std::vector< bool > &enabledFEUnits, const std::vector< bool > &enabledChannels)
FEDBufferPayload	operator() (const FEDReadoutMode mode, const FEDStripData &data) const
Private Member Functions
void	fillChannelBuffer (std::vector< uint8_t > *channelBuffer, const FEDReadoutMode mode, const FEDStripData::ChannelData &data, const bool channelEnabled) const
void	fillClusterData (std::vector< uint8_t > *channelBuffer, const FEDStripData::ChannelData &data) const
void	fillRawChannelBuffer (std::vector< uint8_t > *channelBuffer, const uint8_t packetCode, const FEDStripData::ChannelData &data, const bool channelEnabled, const bool reorderData) const
void	fillZeroSuppressedChannelBuffer (std::vector< uint8_t > *channelBuffer, const FEDStripData::ChannelData &data, const bool channelEnabled) const
void	fillZeroSuppressedLiteChannelBuffer (std::vector< uint8_t > *channelBuffer, const FEDStripData::ChannelData &data, const bool channelEnabled) const
Private Attributes
std::vector< bool >	channelsEnabled_
std::vector< bool >	feUnitsEnabled_

---

Detailed Description

Definition at line 76 of file SiStripFEDBufferGenerator.h.

---

Constructor & Destructor Documentation

sistrip::FEDBufferPayloadCreator::FEDBufferPayloadCreator	(	const std::vector< bool > &	enabledFEUnits,
		const std::vector< bool > &	enabledChannels
	)		[inline]

Definition at line 276 of file SiStripFEDBufferGenerator.h.

    : feUnitsEnabled_(feUnitsEnabled),
      channelsEnabled_(channelsEnabled)
    {}

---

Member Function Documentation

FEDBufferPayload sistrip::FEDBufferPayloadCreator::createPayload	(	const FEDReadoutMode	mode,
		const FEDStripData &	data
	)		const

Definition at line 103 of file SiStripFEDBufferGenerator.cc.

References sistrip::FEDStripData::channel(), sistrip::FEDCH_PER_FED, and sistrip::FEDCH_PER_FEUNIT.

Referenced by operator()().

  {
    std::vector< std::vector<uint8_t> > channelBuffers(FEDCH_PER_FED,std::vector<uint8_t>());
    for (size_t iCh = 0; iCh < FEDCH_PER_FED; iCh++) {
      if (!feUnitsEnabled_[iCh/FEDCH_PER_FEUNIT]) continue;
      fillChannelBuffer(&channelBuffers[iCh],mode,data.channel(iCh),channelsEnabled_[iCh]);
    }
    return FEDBufferPayload(channelBuffers);
  }

void sistrip::FEDBufferPayloadCreator::fillChannelBuffer	(	std::vector< uint8_t > *	channelBuffer,
		const FEDReadoutMode	mode,
		const FEDStripData::ChannelData &	data,
		const bool	channelEnabled
	)		const [private]

Definition at line 113 of file SiStripFEDBufferGenerator.cc.

References Exception, alignBH_cfg::mode, sistrip::PACKET_CODE_PROC_RAW, sistrip::PACKET_CODE_SCOPE, sistrip::PACKET_CODE_VIRGIN_RAW, sistrip::READOUT_MODE_PROC_RAW, sistrip::READOUT_MODE_SCOPE, sistrip::READOUT_MODE_VIRGIN_RAW, sistrip::READOUT_MODE_ZERO_SUPPRESSED, and sistrip::READOUT_MODE_ZERO_SUPPRESSED_LITE.

  {
    switch (mode) {
    case READOUT_MODE_SCOPE:
      fillRawChannelBuffer(channelBuffer,PACKET_CODE_SCOPE,data,channelEnabled,false);
      break;
    case READOUT_MODE_VIRGIN_RAW:
      fillRawChannelBuffer(channelBuffer,PACKET_CODE_VIRGIN_RAW,data,channelEnabled,true);
      break;
    case READOUT_MODE_PROC_RAW:
      fillRawChannelBuffer(channelBuffer,PACKET_CODE_PROC_RAW,data,channelEnabled,false);
      break;
    case READOUT_MODE_ZERO_SUPPRESSED:
      fillZeroSuppressedChannelBuffer(channelBuffer,data,channelEnabled);
      break;
    case READOUT_MODE_ZERO_SUPPRESSED_LITE:
      fillZeroSuppressedLiteChannelBuffer(channelBuffer,data,channelEnabled);
      break;
    default:
      std::ostringstream ss;
      ss << "Invalid readout mode " << mode;
      throw cms::Exception("FEDBufferGenerator") << ss.str();
      break;
    }
  }

void sistrip::FEDBufferPayloadCreator::fillClusterData	(	std::vector< uint8_t > *	channelBuffer,
		const FEDStripData::ChannelData &	data
	)		const [private]

Definition at line 222 of file SiStripFEDBufferGenerator.cc.

References ecalMGPA::adc(), sistrip::FEDStripData::ChannelData::get8BitSample(), sistrip::FEDStripData::ChannelData::size(), and sistrip::STRIPS_PER_APV.

  {
    uint16_t clusterSize = 0;
    const uint16_t nSamples = data.size();
    for( uint16_t strip = 0; strip < nSamples; ++strip) {
      const uint8_t adc = data.get8BitSample(strip);

      if(adc) {
        if( clusterSize==0 || strip == STRIPS_PER_APV ) { 
          if(clusterSize) { 
            *(channelBuffer->end() - clusterSize - 1) = clusterSize ; 
            clusterSize = 0; 
          }
          channelBuffer->push_back(strip); 
          channelBuffer->push_back(0); //clustersize      
        }
        channelBuffer->push_back(adc);
        ++clusterSize;
      }

      else if(clusterSize) { 
        *(channelBuffer->end() - clusterSize - 1) = clusterSize ; 
        clusterSize = 0; 
      }
    }
    if(clusterSize) *(channelBuffer->end() - clusterSize - 1) = clusterSize ;
  }

void sistrip::FEDBufferPayloadCreator::fillRawChannelBuffer	(	std::vector< uint8_t > *	channelBuffer,
		const uint8_t	packetCode,
		const FEDStripData::ChannelData &	data,
		const bool	channelEnabled,
		const bool	reorderData
	)		const [private]

Definition at line 140 of file SiStripFEDBufferGenerator.cc.

References sistrip::FEDStripData::ChannelData::getSample(), sistrip::FEDStripOrdering::physicalOrderForStripInChannel(), and sistrip::FEDStripData::ChannelData::size().

  {
    const uint16_t nSamples = data.size();
    //2 bytes per sample + packet code + 2 bytes for length
    const uint16_t channelLength = nSamples*2 + 3;
    channelBuffer->reserve(channelLength);
    //length (max length is 0xFFF)
    channelBuffer->push_back( channelLength & 0xFF );
    channelBuffer->push_back( (channelLength & 0xF00) >> 8 );
    //packet code
    channelBuffer->push_back(packetCode);
    //channel samples
    for (uint16_t sampleNumber = 0; sampleNumber < nSamples; sampleNumber++) {
      const uint16_t sampleIndex = ( reorderData ? FEDStripOrdering::physicalOrderForStripInChannel(sampleNumber) : sampleNumber );
      const uint16_t sampleValue = (channelEnabled ? data.getSample(sampleIndex) : 0);
      channelBuffer->push_back(sampleValue & 0xFF);
      channelBuffer->push_back((sampleValue & 0x300) >> 8);
    }
  }

void sistrip::FEDBufferPayloadCreator::fillZeroSuppressedChannelBuffer	(	std::vector< uint8_t > *	channelBuffer,
		const FEDStripData::ChannelData &	data,
		const bool	channelEnabled
	)		const [private]

Definition at line 164 of file SiStripFEDBufferGenerator.cc.

References sistrip::FEDStripData::ChannelData::getMedians(), and sistrip::PACKET_CODE_ZERO_SUPPRESSED.

  {
    channelBuffer->reserve(50);
    //if channel is disabled then create empty channel header and return
    if (!channelEnabled) {
      //min length 7
      channelBuffer->push_back(7);
      channelBuffer->push_back(0);
      //packet code
      channelBuffer->push_back(PACKET_CODE_ZERO_SUPPRESSED);
      //4 bytes of medians
      channelBuffer->insert(channelBuffer->end(),4,0);
      return;
    }
    //if channel is not empty
    //add space for channel length
    channelBuffer->push_back(0xFF); channelBuffer->push_back(0xFF);
    //packet code
    channelBuffer->push_back(PACKET_CODE_ZERO_SUPPRESSED);
    //add medians
    const std::pair<uint16_t,uint16_t> medians = data.getMedians();
    channelBuffer->push_back(medians.first & 0xFF);
    channelBuffer->push_back((medians.first & 0x300) >> 8);
    channelBuffer->push_back(medians.second & 0xFF);
    channelBuffer->push_back((medians.second & 0x300) >> 8);
    //clusters
    fillClusterData(channelBuffer,data);
    //set length
    const uint16_t length = channelBuffer->size();
    (*channelBuffer)[0] = (length & 0xFF);
    (*channelBuffer)[1] = ((length & 0x300) >> 8);
  }

void sistrip::FEDBufferPayloadCreator::fillZeroSuppressedLiteChannelBuffer	(	std::vector< uint8_t > *	channelBuffer,
		const FEDStripData::ChannelData &	data,
		const bool	channelEnabled
	)		const [private]

Definition at line 199 of file SiStripFEDBufferGenerator.cc.

  {
    channelBuffer->reserve(50);
    //if channel is disabled then create empty channel header and return
    if (!channelEnabled) {
      //min length 2
      channelBuffer->push_back(2);
      channelBuffer->push_back(0);
      return;
    }
    //if channel is not empty
    //add space for channel length
    channelBuffer->push_back(0xFF); channelBuffer->push_back(0xFF);
    //clusters
    fillClusterData(channelBuffer,data);
    //set length
    const uint16_t length = channelBuffer->size();
    (*channelBuffer)[0] = (length & 0xFF);
    (*channelBuffer)[1] = ((length & 0x300) >> 8);
  }

FEDBufferPayload sistrip::FEDBufferPayloadCreator::operator()	(	const FEDReadoutMode	mode,
		const FEDStripData &	data
	)		const [inline]

Definition at line 281 of file SiStripFEDBufferGenerator.h.

References createPayload().

    {
      return createPayload(mode,data);
    }

---

Member Data Documentation

std::vector<bool> sistrip::FEDBufferPayloadCreator::channelsEnabled_ [private]

Definition at line 99 of file SiStripFEDBufferGenerator.h.

std::vector<bool> sistrip::FEDBufferPayloadCreator::feUnitsEnabled_ [private]

Definition at line 98 of file SiStripFEDBufferGenerator.h.