/** @file
 * $Source: /home/cvsmanager/yoda/techmodel/CalibCalPedReader.cpp,v $
 * $Id: CalibCalPedReader.cpp,v 1.2 2004/07/08 12:31:42 kusanagi Exp $
 * $Author: kusanagi $
 * 
 * Implementation of the LogReader class.
* ToBeDone:
* Control the CRC for the entire data Packet not just for single records
 */

//#define UINT unsigned int
#define BYTE  unsigned char
#include <string>
#include <log4cpp/Category.hh>
#include <fstream>
#include "stdio.h"
extern "C" {
#include "CRC.h"  
    //Struct per il passaggio di dati da e verso la chiamata fortran
    extern struct {
        int IEV2;
        int calped[96][11][4];
        int calgood[96][11][4];
        int calthr[96][11][4];
        int calrms[96][11][4];
        int calbase[96][11][4];
        int calvar[96][11][4];
        int calpuls[96][11][4];
    } calib_; 
    
    //external declaration of the Fortran function 
    void calpedestal_(short[], int, int*);
}

#include "ReaderAlgorithms.h"
#include "event/CalibCalPedEvent.h"

using namespace pamela;
using namespace pamela::techmodel;

static log4cpp::Category& cat = log4cpp::Category::getInstance("pamela.techmodel.CalibCalPedReader");  

/**
 * Constructor. 
 */
CalibCalPedReader::CalibCalPedReader(void): 
  TechmodelAlgorithm(PacketType::Log, "TechmodelCalibCalPedReader") { 
  cat <<  log4cpp::Priority::DEBUG
      <<  "Constructor "
      <<  "\n " << log4cpp::CategoryStream::ENDLINE;
  calibCalPed = new CalibCalPedEvent();
}

/**
 * Get a string with the version info of the algorithm.
 */
std::string CalibCalPedReader::GetVersionInfo(void) const {
  return 
    "$Header: /home/cvsmanager/yoda/techmodel/CalibCalPedReader.cpp,v 1.2 2004/07/08 12:31:42 kusanagi Exp $\n";
}

/**
 * Initialize the algorithm with a special run. This will initialize the
 * event reader routines for all packet types.
 */
void CalibCalPedReader::Init(PamelaRun *run) {
  SetInputStream(run);
  run->WriteSubPacket(this, &calibCalPed, calibCalPed->Class());
}

/**
 * Unpack the CalibCalPed event from an input file.
 */
void CalibCalPedReader::RunEvent(int EventNumber, long int length) {
 
    char        packetData[length-2];
    char        CRCevent[2];
    UINT16      calculatedCRC    = 0;   //calculated CRC
    UINT16      readCRC          = 0;   //read CRC
    long int    dataLength;
    int         ERROR;

    dataLength = length - 2;
    InputFile->read(packetData, sizeof(packetData));
    InputFile->read(CRCevent, sizeof(CRCevent));

    calculatedCRC = CM_Compute_CRC16(0, (BYTE*)packetData, dataLength);
    readCRC = ((UINT16)(CRCevent[0]<<8)&0xFF00) + ((UINT16)(CRCevent[1])&0x00FF);
    
    if (calculatedCRC == readCRC) {
            calpedestal_((short*)packetData, dataLength, &ERROR);
  //Store the unpacked data
    calibCalPed->IEV2 = calib_.IEV2;
    memcpy(calibCalPed->calped,  calib_.calped,  sizeof(calibCalPed->calped));
    memcpy(calibCalPed->calgood, calib_.calgood, sizeof(calibCalPed->calgood));
    memcpy(calibCalPed->calthr,  calib_.calthr,  sizeof(calibCalPed->calthr));
    memcpy(calibCalPed->calrms,  calib_.calrms,  sizeof(calibCalPed->calrms));
    memcpy(calibCalPed->calbase, calib_.calbase, sizeof(calibCalPed->calbase));
    memcpy(calibCalPed->calvar,  calib_.calvar,  sizeof(calibCalPed->calvar));
    memcpy(calibCalPed->calpuls, calib_.calpuls, sizeof(calibCalPed->calpuls));
    
    cat <<  log4cpp::Priority::ERROR
        <<  "Fortran77 function calpedestal error code = " << ERROR
        <<  "\n " << log4cpp::CategoryStream::ENDLINE;
    } else {
            cat <<  log4cpp::Priority::ERROR
            <<  "The test of calculated CRC with one wrote on file FAILED!!"
            <<  "\n " << log4cpp::CategoryStream::ENDLINE;    
    }
    free(packetData);
}