/**
 *!
 * \file        b_drv_24cxx.c
 * \version     v0.0.1
 * \date        2020/03/25
 * \author      Bean(notrynohigh@outlook.com)
 *******************************************************************************
 * @attention
 *
 * Copyright (c) 2020 Bean
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *******************************************************************************
 */

/*Includes ----------------------------------------------*/
#include "drivers/inc/b_drv_24cxx.h"

/**
 * \addtogroup B_DRIVER
 * \{
 */

/**
 * \addtogroup 24CXX
 * \{
 */

/**
 * \defgroup 24CXX_Private_TypesDefinitions
 * \{
 */

/**
 * \}
 */

/**
 * \defgroup 24CXX_Private_Defines
 * \{
 */
#define DRIVER_NAME 24CXX
/**
 * \}
 */

/**
 * \defgroup 24CXX_Private_Macros
 * \{
 */

/**
 * \}
 */

/**
 * \defgroup 24CXX_Private_Variables
 * \{
 */
bDRIVER_HALIF_TABLE(b24CXX_HalIf_t, DRIVER_NAME);

static b24CXXPrivate_t b24CXXRunInfo[bDRIVER_HALIF_NUM(b24CXX_HalIf_t, DRIVER_NAME)];

/**
 * \}
 */

/**
 * \defgroup 24CXX_Private_FunctionPrototypes
 * \{
 */

/**
 * \}
 */

/**
 * \defgroup 24CXX_Private_Functions
 * \{
 */

static int _b24CXXWrite(bDriverInterface_t *pdrv, uint32_t off, uint8_t *pbuf, uint32_t len)
{
    uint32_t i = 0, l_c = 0;
    bDRIVER_GET_HALIF(_if, b24CXX_HalIf_t, pdrv);
    bDRIVER_GET_PRIVATE(_priv, b24CXXPrivate_t, pdrv);

    l_c = _priv->page_size - off % (_priv->page_size);
    if (len <= l_c)
    {
			if(bHalI2CMemWrite(_if, off, 1 + (_priv->capacity > 256), pbuf, len) != 0)
			{
				return -1;
			}
			bHalDelayMs(5);
    }
    else
    {
				if(bHalI2CMemWrite(_if, off, 1 + (_priv->capacity > 256), pbuf, l_c) != 0)
				{
					return -1;
				}
        bHalDelayMs(5);
        off += l_c;
        pbuf += l_c;
        len -= l_c;
        for (i = 0; i < len / (_priv->page_size); i++)
        {
					if(bHalI2CMemWrite(_if, off, 1 + (_priv->capacity > 256), pbuf, _priv->page_size) != 0)
					{
						return -1;
					}
					bHalDelayMs(5);
					off += _priv->page_size;
					pbuf += _priv->page_size;
        }
        if ((len % _priv->page_size) > 0)
        {
					if(bHalI2CMemWrite(_if, off, 1 + (_priv->capacity > 256), pbuf, (len % _priv->page_size)) != 0)
					{
						return -1;
					}
					bHalDelayMs(5);
        }
    }
    return len;
}

static int _b24CXXRead(bDriverInterface_t *pdrv, uint32_t off, uint8_t *pbuf, uint32_t len)
{
    bDRIVER_GET_HALIF(_if, b24CXX_HalIf_t, pdrv);
    bDRIVER_GET_PRIVATE(_priv, b24CXXPrivate_t, pdrv);
		if(bHalI2CMemRead(_if, off, 1 + (_priv->capacity > 256), pbuf, len) != 0)
		{
			return -1;
		}
    return len;
}

static int _b24CXXCtl(bDriverInterface_t *pdrv, uint8_t cmd, void *param)
{
    bDRIVER_GET_PRIVATE(_priv, b24CXXPrivate_t, pdrv);
    switch (cmd)
    {
        case bCMD_EE_SET_CAPACITY:
        {
            if (param == NULL)
            {
                return -1;
            }
            _priv->capacity = *((uint32_t *)param);
        }
        break;
        case bCMD_EE_GET_CAPACITY:
        {
            if (param == NULL)
            {
                return -1;
            }
            *((uint32_t *)param) = _priv->capacity;
        }
        break;
        case bCMD_EE_PAGE_SIZE:
        {
            if (param == NULL)
            {
                return -1;
            }
            _priv->page_size = *((uint32_t *)param);
        }
        break;
        default:
            break;
    }
    return 0;
}

/**
 * \}
 */

/**
 * \addtogroup 24CXX_Exported_Functions
 * \{
 */
int b24CXX_Init(bDriverInterface_t *pdrv)
{
    bDRIVER_STRUCT_INIT(pdrv, DRIVER_NAME, b24CXX_Init);
	bDRIVER_GET_HALIF(_if, b24CXX_HalIf_t, pdrv);
    pdrv->read  = _b24CXXRead;
    pdrv->write = _b24CXXWrite;
    pdrv->ctl   = _b24CXXCtl;

    b24CXXRunInfo[pdrv->drv_no].capacity  = 256;
    b24CXXRunInfo[pdrv->drv_no].page_size = 8;
    pdrv->_private._p                     = &b24CXXRunInfo[pdrv->drv_no];
	if(bHalI2CAddressCheck(_if) !=0 )
	{
		return -1;	
	}
    return 0;
}

#ifdef BSECTION_NEED_PRAGMA
#pragma section driver_init
#endif
bDRIVER_REG_INIT(B_DRIVER_24CXX, b24CXX_Init);
#ifdef BSECTION_NEED_PRAGMA
#pragma section 
#endif
/**
 * \}
 */

/**
 * \}
 */

/**
 * \}
 */

/************************ Copyright (c) 2020 Bean *****END OF FILE****/