EncoderImplHelper.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
#ifndef O2_MCH_RAW_ENCODER_IMPL_HELPER_H
#define O2_MCH_RAW_ENCODER_IMPL_HELPER_H
 
#include "MCHRawCommon/SampaCluster.h"
#include "MCHRawCommon/SampaHeader.h"
#include <cstdlib>
#include <gsl/span>
#include <vector>
 
namespace o2::mch::raw
 
{
 
namespace impl
{
void append(std::vector<uint10_t>& b10, uint50_t value);
 
SampaHeader buildSampaHeader(uint8_t elinkId, DualSampaChannelId chId,
                             gsl::span<const SampaCluster> data);
 
void fillUserLogicBuffer10(std::vector<uint10_t>& b10,
                           gsl::span<const SampaCluster> clusters,
                           uint8_t elinkId,
                           DualSampaChannelId chId,
                           bool addSync);
 
void b10to64(std::vector<uint10_t> b10, std::vector<uint64_t>& b64, uint16_t prefix14);
 
uint16_t computeChipAddress(uint8_t elinkId, DualSampaChannelId chId);
 
// ensures the buffer size is a multiple of 50 bits
void addPadding(std::vector<uint10_t>& b10);
 
// append Sampa sync word to the 10-bits buffer
void appendSync(std::vector<uint10_t>& b10);
 
} // namespace impl
} // namespace o2::mch::raw
 
#endif