/* Copyright Statement:
 *
 * This software/firmware and related documentation ("AutoChips Software") are
 * protected under relevant copyright laws. The information contained herein is
 * confidential and proprietary to AutoChips Inc. and/or its licensors. Without
 * the prior written permission of AutoChips inc. and/or its licensors, any
 * reproduction, modification, use or disclosure of AutoChips Software, and
 * information contained herein, in whole or in part, shall be strictly
 * prohibited.
 *
 * AutoChips Inc. (C) 2016. All rights reserved.
 *
 * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
 * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("AUTOCHIPS SOFTWARE")
 * RECEIVED FROM AUTOCHIPS AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER
 * ON AN "AS-IS" BASIS ONLY. AUTOCHIPS EXPRESSLY DISCLAIMS ANY AND ALL
 * WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NONINFRINGEMENT. NEITHER DOES AUTOCHIPS PROVIDE ANY WARRANTY WHATSOEVER WITH
 * RESPECT TO THE SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY,
 * INCORPORATED IN, OR SUPPLIED WITH THE AUTOCHIPS SOFTWARE, AND RECEIVER AGREES
 * TO LOOK ONLY TO SUCH THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO.
 * RECEIVER EXPRESSLY ACKNOWLEDGES THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO
 * OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES CONTAINED IN AUTOCHIPS
 * SOFTWARE. AUTOCHIPS SHALL ALSO NOT BE RESPONSIBLE FOR ANY AUTOCHIPS SOFTWARE
 * RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
 * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND AUTOCHIPS'S
 * ENTIRE AND CUMULATIVE LIABILITY WITH RESPECT TO THE AUTOCHIPS SOFTWARE
 * RELEASED HEREUNDER WILL BE, AT AUTOCHIPS'S OPTION, TO REVISE OR REPLACE THE
 * AUTOCHIPS SOFTWARE AT ISSUE, OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE
 * CHARGE PAID BY RECEIVER TO AUTOCHIPS FOR SUCH AUTOCHIPS SOFTWARE AT ISSUE.
 */
 

#ifndef STORAGE_H
#define STORAGE_H

#ifdef __cplusplus
extern "C" {
#endif

/*************<include>****************/
#include "W25Q64.h"

/*************<extern>*****************/	
#define DEFAULT_START_ADDR  (0x10000)   //从block1 开始
#define MAX_STORAGE_SPACE   (0x100000)  //1MB 
#define MAX_RECORD_NUM      (200)

#define ITEM_STORAGE_SPACE	(256)	/* 倍数要与sector大小对齐*/


#define ITEM_MAGIC				(0xA5A5)
#define ITEM_LOG					(0x01)
#define ITEM_RECORD				(0x02)


enum _eventtype
{ 
		EVENT_MANUAL_UNLOCK = 1, 
		EVENT_MANUAL_LOCK, 
		EVENT_OPENCOVER
};

typedef struct 
{
		uint16_t magic;
    uint8_t  itemtype;
		uint8_t  eventtype;
    uint8_t  timestamp[6];
		uint16_t crc;

}DataItem; 


void Storage_Init(void);
void Storage_Save(void);
uint16_t Storage_GetItemNum(void);
void Storage_AddItem(uint8_t itemtype, uint8_t eventtype);
//读取一条记录，从最老的开始
// return 0 ,成功 ， 非0 失败  读取成功就删除 
uint8_t Storage_GetItemFromOldest(DataItem* pitem);

//读取第read_id条记录，从最老的开始
// return 0 ,成功 ， 非0 失败 , 读取并不删除 
uint8_t Storage_GetItemFromOldest2(uint8_t read_id, DataItem* pitem);
void Storage_WaitDelete(uint8_t num);
void Storage_DeleteConfirm(void);

//每秒执行一次
void Storage_CountReduce(void);
    
#ifdef __cplusplus
}
#endif

#endif /* STORAGE_H */