/*
    Managed Flash Storage - Copyright (C) 2016 Giovanni Di Sirio

    This file is part of ChibiOS.

    ChibiOS is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    ChibiOS is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/**
 * @file    mfs.h
 * @brief   Managed Flash Storage module header.
 *
 * @{
 */

#ifndef MFS_H
#define MFS_H

#include "hal_flash.h"

/*===========================================================================*/
/* Driver constants.                                                         */
/*===========================================================================*/

/*===========================================================================*/
/* Driver pre-compile time settings.                                         */
/*===========================================================================*/

/**
 * @name    Configuration options
 * @{
 */
/** @} */

/*===========================================================================*/
/* Derived constants and error checks.                                       */
/*===========================================================================*/

/*===========================================================================*/
/* Driver data structures and types.                                         */
/*===========================================================================*/

/**
 * @brief   Driver state machine possible states.
 */
typedef enum {
  MFS_UNINIT = 0,
  MFS_STOP = 1,
  MFS_READY = 2,
  MFS_ACTIVE = 3
} mfs_state_t;

/**
 * @brief   Type of a MFS configuration structure.
 */
typedef struct {
  /**
   * @brief   Flash driver associated to this MFS instance.
   */
  BaseFlash                 *flashp;
} MFSConfig;
  
/**
 * @extends BaseFlash
 *
 * @brief   Type of an MFS instance.
 */
typedef struct {
  /**
   * @brief   Driver state.
   */
  mfs_state_t               state;
  /**
   * @brief   Current configuration data.
   */
  const MFSConfig           *config;
} MFSDriver;

/*===========================================================================*/
/* Driver macros.                                                            */
/*===========================================================================*/

/*===========================================================================*/
/* External declarations.                                                    */
/*===========================================================================*/

#ifdef __cplusplus
extern "C" {
#endif
  void mfsObjectInit(MFSDriver *devp);
  void mfsStart(MFSDriver *devp, const MFSConfig *config);
  void mfsStop(MFSDriver *devp);
#ifdef __cplusplus
}
#endif

#endif /* MFS_H */

/** @} */