#include "../app/app_data_save.h"
#include "../msp/msp_eeprom.h"
#include "app_config.h"


DATA_SAVE data_save_arr[DATA_SAVE_LEN] = {0};

//初始化存放数据的结构体数组data_save_arr
void data_save_init()
{
	int i = 0;
	for(i = 0;i < DATA_SAVE_LEN; i++)
	{
		data_save_arr[i].head[0] = HEAD0;
		data_save_arr[i].head[1] = HEAD1;
		data_save_arr[i].available = 1;
		data_save_arr[i].val = 0;
		data_save_arr[i].tail[0] = TAIL0;
		data_save_arr[i].tail[1] = TAIL1;
	}
}
//存放数据到eeprom中：1.从eeprom中取出数组 2.遍历寻找空位 3.把数组放回（写入）eeprom中
void data_save_push(U8 Data)
{
	int i = 0;
	int free = 0;
	// 从eeprom中取出数组
	L0_Iap_Read_array(EEPROM_DATA_ADDR, data_save_arr,sizeof(data_save_arr));
	if(data_save_arr[0].head[0] != HEAD0 || data_save_arr[0].head[1] != HEAD1
							|| data_save_arr[0].tail[0] != TAIL0 || data_save_arr[0].tail[1] != TAIL1)
	{
		data_save_init();
	}
	// 遍历寻找空位
	for(i = 0;i < DATA_SAVE_LEN; i++)
	{
		if(data_save_arr[i].available == 1)
		{
			free = i;
			break;
		}
	}
	// 当都有数据时
	if(i == DATA_SAVE_LEN)
	{
		for(i = 0; i < DATA_SAVE_LEN - 1; i++)
		{
			data_save_arr[i] = data_save_arr[i+1];
		}
		free = DATA_SAVE_LEN - 1;
	}
	// 放到free位置
	data_save_arr[free].available = 0;
	data_save_arr[free].val = Data;

	// 把数组放回（写入）eeprom中
	L0_Iap_Program_array(EEPROM_DATA_ADDR, data_save_arr,sizeof(data_save_arr));
}