/**************************************************************************
*
* Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
*
* THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
* WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
*
* @file ModeFlush.c
*
* @author (last) Quang Nguyen
* @date (last) 01-Sep-2020
*
* @author (original) Leonardo Baloa
* @date (original) 20-Dec-2019
*
***************************************************************************/

#include "ModeFlush.h"
#include "OperationModes.h"
#include "Pressures.h"

/**
 *  @addtogroup DGFlushMode
 *  @{
 */

// ********** private definitions **********

// ********** private data **********

static DG_FLUSH_STATE_T flushState = DG_FLUSH_STATE_START;     ///< Currently active flush state.

// ********** private function prototypes **********

/*********************************************************************//**
 * @brief
 * The initFlushMode function initializes flush mode module.
 * @details Inputs: none
 * @details Outputs: Initialized flush mode module
 * @return none
*************************************************************************/
void initFlushMode( void )
{
    flushState = DG_FLUSH_STATE_START;
}

/*********************************************************************//**
 * @brief
 * The transitionToFlushMode function prepares for transition to flush mode.
 * @details Inputs: none
 * @details Outputs: Prepares for transition to flush mode
 * @return none
*************************************************************************/
void transitionToFlushMode( void )
{
    initFlushMode();
}

/*********************************************************************//**
 * @brief
 * The execFlushMode function executes the flush mode state machine.
 * @details Inputs: none
 * @details Outputs: Flush mode state machine executed
 * @return current state
*************************************************************************/
U32 execFlushMode( void )
{
    checkInletPressureFault();

    // execute current flush state
    switch ( flushState )
    {
        case DG_FLUSH_STATE_START:
            break;

        default:
            // TODO - s/w fault
            flushState = DG_FLUSH_STATE_START;
            break;
    }

    return flushState;
}

/*********************************************************************//**
 * @brief
 * The getCurrentFlushState function returns the current state of the flush mode.
 * @details Inputs: flushState
 * @details Outputs: none
 * @return current state of flush mode.
 *************************************************************************/
DG_FLUSH_STATE_T getCurrentFlushState( void )
{
    return flushState;
}

/**@}*/