l1t::MTF7Payload Class Reference

#include <Block.h>

Inheritance diagram for l1t::MTF7Payload:

Public Member Functions
std::unique_ptr< Block >	getBlock () override
BlockHeader	getHeader () override
unsigned	getHeaderSize () const override
	MTF7Payload (const uint32_t *data, const uint32_t *end)
Public Member Functions inherited from l1t::Payload
virtual unsigned	getAlgorithmFWVersion () const
virtual unsigned	getInfrastructureFWVersion () const
	Payload (const uint32_t *data, const uint32_t *end)
virtual	~Payload ()

Private Member Functions
int	count (unsigned int pattern, unsigned int length) const
bool	valid (unsigned int pattern) const

Static Private Attributes
static const std::vector< unsigned int >	block_patterns_
static constexpr unsigned	counter_size = 4
static constexpr unsigned	header_size = 12
static constexpr unsigned	max_block_length_ = 3
static constexpr unsigned	trailer_size = 8

Additional Inherited Members
Protected Attributes inherited from l1t::Payload
unsigned	algo_
const uint32_t *	data_
const uint32_t *	end_
unsigned	infra_

Detailed Description

Definition at line 113 of file Block.h.

Constructor & Destructor Documentation

MTF7Payload()

l1t::MTF7Payload::MTF7Payload	(	const uint32_t *	data,
		const uint32_t *	end
	)

Definition at line 113 of file Block.cc.

                                                                    : Payload(data, end) {
    const uint16_t* data16 = reinterpret_cast<const uint16_t*>(data);
    const uint16_t* end16 = reinterpret_cast<const uint16_t*>(end);
 
    if (end16 - data16 < header_size + counter_size + trailer_size) {
      edm::LogError("L1T") << "MTF7 payload smaller than allowed!";
      data_ = end_;
    } else if (  // Check bits for EMTF Event Record Header
        ((data16[0] >> 12) != 0x9) || ((data16[1] >> 12) != 0x9) || ((data16[2] >> 12) != 0x9) ||
        ((data16[3] >> 12) != 0x9) || ((data16[4] >> 12) != 0xA) || ((data16[5] >> 12) != 0xA) ||
        ((data16[6] >> 12) != 0xA) || ((data16[7] >> 12) != 0xA) || ((data16[8] >> 15) != 0x1) ||
        ((data16[9] >> 15) != 0x0) || ((data16[10] >> 15) != 0x0) || ((data16[11] >> 15) != 0x0)) {
      edm::LogError("L1T") << "MTF7 payload has invalid header!";
      data_ = end_;
    } else if (  // Check bits for EMTF MPC Link Errors
        ((data16[12] >> 15) != 0) || ((data16[13] >> 15) != 1) || ((data16[14] >> 15) != 0) ||
        ((data16[15] >> 15) != 0)) {
      edm::LogError("L1T") << "MTF7 payload has invalid counter block!";
      data_ = end_;
    }
 
    // Check bits for EMTF Event Record Trailer, get firmware version
    algo_ = 0;                        // Firmware version
    for (int i = 4; i < 1590; i++) {  // Start after Counters block, up to 108 ME / 84 RPC / 3 SP blocks per BX, 8 BX
      if (((data16[4 * i + 0] >> 12) == 0xF) && ((data16[4 * i + 1] >> 12) == 0xF) &&
          ((data16[4 * i + 2] >> 12) == 0xF) && ((data16[4 * i + 3] >> 12) == 0xF) &&
          ((data16[4 * i + 4] >> 12) == 0xE) && ((data16[4 * i + 5] >> 12) == 0xE) &&
          ((data16[4 * i + 6] >> 12) == 0xE) &&
          ((data16[4 * i + 7] >> 12) == 0xE)) {             // Indicators for the Trailer block
        algo_ = (((data16[4 * i + 2] >> 4) & 0x3F) << 9);   // Year  (6 bits)
        algo_ |= (((data16[4 * i + 2] >> 0) & 0x0F) << 5);  // Month (4 bits)
        algo_ |= (((data16[4 * i + 4] >> 0) & 0x1F) << 0);  // Day   (5 bits)
        break;
      }
    }
    if (algo_ == 0) {
      edm::LogError("L1T") << "MTF7 payload has no valid EMTF firmware version!";
      data_ = end_;
    }
  }

References l1t::Payload::algo_, counter_size, data, l1t::Payload::data_, end, l1t::Payload::end_, header_size, mps_fire::i, trailer_size, and testProducerWithPsetDescEmpty_cfi::x1.

Member Function Documentation

count()

int l1t::MTF7Payload::count ( unsigned int  pattern, unsigned int  length  ) const

private

Definition at line 154 of file Block.cc.

                                                                        {
    unsigned int mask = 0;
    for (; length > 0; length--)
      mask = (mask << 4) | 0xf;
 
    int count = 0;
    for (const auto& p : block_patterns_)
      count += (p & mask) == pattern;
    return count;
  }

References block_patterns_, AlCaHLTBitMon_ParallelJobs::p, and topSingleLeptonDQM_PU_cfi::pattern.

Referenced by getBlock().

getBlock()

std::unique_ptr< Block > l1t::MTF7Payload::getBlock ( )

overridevirtual

Reimplemented from l1t::Payload.

Definition at line 173 of file Block.cc.

                                             {
    if (end_ - data_ < 2)
      return std::unique_ptr<Block>();
 
    const uint16_t* data16 = reinterpret_cast<const uint16_t*>(data_);
    const uint16_t* end16 = reinterpret_cast<const uint16_t*>(end_);
 
    // Read in blocks equivalent to 64 bit words, trying to match the
    // pattern of first bits to what is deemed valid.
    std::vector<uint32_t> payload;
    unsigned int pattern = 0;
    unsigned int i = 0;
    for (; i < max_block_length_ and data16 + (i + 1) * 4 <= end16; ++i) {
      for (int j = 0; j < 4; ++j) {
        auto n = i * 4 + j;
        pattern |= (data16[n] >> 15) << n;
        payload.push_back(data16[n]);
      }
 
      if (count(pattern, i + 1) == 1 and valid(pattern))
        break;
    }
 
    if (not valid(pattern)) {
      edm::LogWarning("L1T") << "MTF7 block with unrecognized id 0x" << std::hex << pattern;
      return std::unique_ptr<Block>();
    }
 
    data_ += (i + 1) * 2;
    return std::make_unique<Block>(pattern, payload, 0, MTF7);
  }

References count(), l1t::Payload::data_, l1t::Payload::end_, mps_fire::i, dqmiolumiharvest::j, max_block_length_, l1t::MTF7, dqmiodumpmetadata::n, topSingleLeptonDQM_PU_cfi::pattern, jets_cff::payload, and valid().

getHeader()

BlockHeader l1t::MTF7Payload::getHeader ( )

inlineoverridevirtual

Implements l1t::Payload.

Definition at line 118 of file Block.h.

{ return BlockHeader(nullptr); };

getHeaderSize()

unsigned l1t::MTF7Payload::getHeaderSize ( ) const

inlineoverridevirtual

Implements l1t::Payload.

Definition at line 117 of file Block.h.

{ return 0; };

valid()

bool l1t::MTF7Payload::valid ( unsigned int  pattern ) const

private

Definition at line 165 of file Block.cc.

                                                    {
    for (const auto& p : block_patterns_) {
      if (p == pattern)
        return true;
    }
    return false;
  }

References block_patterns_, AlCaHLTBitMon_ParallelJobs::p, and topSingleLeptonDQM_PU_cfi::pattern.

Referenced by getBlock().

Member Data Documentation

block_patterns_

const std::vector< unsigned int > l1t::MTF7Payload::block_patterns_

staticprivate

Initial value:

= {
      
      
      
      0b000111111111,  
      
      0b0010,      
      0b0011,      
      0b0100,      
      0b01100101,  
      0b11111111   
                   
  }

Definition at line 130 of file Block.h.

Referenced by count(), and valid().

counter_size

constexpr unsigned l1t::MTF7Payload::counter_size = 4

staticconstexprprivate

Definition at line 124 of file Block.h.

Referenced by MTF7Payload().

header_size

constexpr unsigned l1t::MTF7Payload::header_size = 12

staticconstexprprivate

Definition at line 123 of file Block.h.

Referenced by MTF7Payload().

max_block_length_

constexpr unsigned l1t::MTF7Payload::max_block_length_ = 3

staticconstexprprivate

Definition at line 129 of file Block.h.

Referenced by getBlock().

trailer_size

constexpr unsigned l1t::MTF7Payload::trailer_size = 8

staticconstexprprivate

Definition at line 125 of file Block.h.

Referenced by MTF7Payload().