/*!
LTC SMBus Support: Implementation for a LTC2977 Fault Log

@verbatim

This API is shared with Linduino and RTOS code. End users should code to this
API to enable use of the PMBus code without modifications.

@endverbatim


Copyright 2018(c) Analog Devices, Inc.

All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
 - Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
 - Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in
   the documentation and/or other materials provided with the
   distribution.
 - Neither the name of Analog Devices, Inc. nor the names of its
   contributors may be used to endorse or promote products derived
   from this software without specific prior written permission.
 - The use of this software may or may not infringe the patent rights
   of one or more patent holders.  This license does not release you
   from the requirement that you obtain separate licenses from these
   patent holders to use this software.
 - Use of the software either in source or binary form, must be run
   on or directly connected to an Analog Devices Inc. component.

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/*! @file
    @ingroup LT_2977FaultLog
    Library Header File for LT_2977FaultLog
*/

#ifndef LT_2977FaultLog_H_
#define LT_2977FaultLog_H_

#include "../LT_PMBUS/LT_PMBus.h"
#include "../LT_PMBUS/LT_PMBusMath.h"
#include "LT_CommandPlusFaultLog.h"

//! class that handles LTC2977 fault logs.
//! contains structs for interpreting the data read from the part.
class LT_2977FaultLog : public LT_CommandPlusFaultLog
{

  public:
#pragma pack(push, 1)


    /********************************************************************
     * LTC2977 types
     ********************************************************************/

    struct ChanStatus
    {
      public:
        struct RawByte status_vout;
        struct RawByte status_mfr;
        struct RawByte mfr_status2;
    };

    struct VoutData
    {
      public:
        struct RawByte mfr_status2;
        struct RawByte status_mfr;
        struct RawByte status_vout;
        struct Lin16WordReverse read_vout;
    };

    struct TempStatus
    {
      public:
        struct RawByte status_temp;
    };

    struct TempData
    {
      public:
        struct RawByte status_temp;
        struct Lin5_11WordReverse temp;
    };

    struct VinStatus
    {
      public:
        struct RawByte status_vin;
    };

    struct VinData
    {
      public:
        struct RawByte status_vin;
        struct Lin5_11WordReverse vin;
    };

    struct Peak16Words
    {
      public:
        struct Lin16Word peak;
        struct Lin16Word min;
    };

    struct Peak5_11Words
    {
      public:
        struct Lin5_11Word peak;
        struct Lin5_11Word min;
    };

    struct FaultLogPeaksLtc2977
    {
      public:
        struct Peak16Words vout0_peaks;
        struct Peak16Words vout1_peaks;
        struct Peak5_11Words vin_peaks;
        struct Peak16Words vout2_peaks;
        struct Peak16Words vout3_peaks;
        struct Peak5_11Words temp_peaks;
        struct Peak16Words vout4_peaks;
        struct Peak16Words vout5_peaks;
        struct Peak16Words vout6_peaks;
        struct Peak16Words vout7_peaks;
    };

    struct FaultLogReadStatusLtc2977
    {
      public:
        struct ChanStatus chan_status0;
        struct ChanStatus chan_status1;
        struct ChanStatus chan_status2;
        struct ChanStatus chan_status3;
        struct ChanStatus chan_status4;
        struct ChanStatus chan_status5;
        struct ChanStatus chan_status6;
        struct ChanStatus chan_status7;
    };

    struct FaultLogPreambleLtc2977
    {
      public:
        uint8_t position_last;
        uint8_t cyclic_data_count;
        struct LT_FaultLog::FaultLogTimeStamp shared_time;
        struct FaultLogPeaksLtc2977 peaks;
        struct FaultLogReadStatusLtc2977 fault_log_status;
    };

    struct FaultLogReadLoopLtc2977
    {
      public:
        struct VoutData vout_data7;
        struct VoutData vout_data6;
        struct VoutData vout_data5;
        struct VoutData vout_data4;
        struct TempData temp_data;
        struct VoutData vout_data3;
        struct VoutData vout_data2;
        struct VinData vin_data;
        struct VoutData vout_data1;
        struct VoutData vout_data0;
    };

    struct FaultLogLtc2977
    {
      public:
        struct FaultLogPreambleLtc2977 preamble;
        uint8_t telemetryData[208]; // 208 = 255 - 47
        struct FaultLogReadLoopLtc2977 *loops; //loops[0] - loops[4]; lays over telemetry data based on Fault-Log Pointer; 0, 3 have potential for invalid/phantom data; 4 necessarily contains some or all invalid/phantom data; based on following valid byte pointers
        uint8_t firstValidByte; //relative to struct.  firstValidByte should reference start of telemetryData (72).  See datasheet.
        uint8_t lastValidByte; //lastValidByte based on cyclic_data_count.  See datasheet.

        bool isValidData(void *pos, uint8_t size = 2); //helper function to identify loop data in valid locations.  Pass in the pointer to the data, and size of the data (length in bytes).
    };

#pragma pack(pop)

  protected:
    FaultLogLtc2977   *faultLog2977;

  public:
    //! Constructor
    LT_2977FaultLog(LT_PMBus *pmbus //!< pmbus object reference for this fault log handler to use.
                   );

    //! Pretty prints this part's fault log to a Print inheriting object, or Serial if none specified.
    void print(Print *printer = 0 //!< Print inheriting object to print the fault log to.
              );

    //! Get binary of the fault log or NULL if no log
    uint8_t *getBinary();

    //! Get size of binary data
    uint16_t getBinarySize();

    //! Dumps binary of the fault log to a Print inheriting object, or Serial if none specified.
    void dumpBinary(Print *printer = 0  //!< Print inheriting object to print the binary to.
                   );

    //! Reads the fault log from the specified address, reserves memory to hold the data.
    //! @return a reference to the data read from the part.
    void read(uint8_t address  //!< the address to read the fault log from.
             );

    // ! Get the fault log data
    struct FaultLogLtc2977 *get()
    {
      return faultLog2977;
    }

    //! Frees the memory reserved for the fault log.
    void release();

  private:
    char *buffer;
    Peak16Words **voutPeaks;
    ChanStatus **chanStatuses;
    VoutData **voutDatas;

    void printTitle(Print *);
    void printTime(Print *);
    void printPeaks(Print *);
    void printFastChannel(uint8_t index, Print *);
    void printAllLoops(Print *);
    void printLoop(uint8_t index, Print *);
    void printLoopChannel(uint8_t index, Print *);

};

#endif /* LT_FaultLog_H_ */