FlashDB比easyFlash占用更大

![easyflash占用情况](https://foruda.gitee.com/images/1757404198296801988/4482d89f_568826.png "easyflash占用情况")

如上图easyflash占用情况

![FlashDB](https://foruda.gitee.com/images/1757404266327736679/8a29fdb9_568826.png "FlashDB")

如上图FlashDB占用情况

测试部分代码如下

```
void test_env(void) {
    uint32_t i_boot_times = 0;
    char *c_old_boot_times, c_new_boot_times[11] = {0};

/* get the boot count number from Env */
    c_old_boot_times = ef_get_env("boot_times");
    RT_ASSERT(c_old_boot_times);
    i_boot_times = atol(c_old_boot_times);
    /* boot count +1 */
    i_boot_times ++;
    rt_kprintf("The system now boot %d times\n", i_boot_times);
    /* interger to string */
    sprintf(c_new_boot_times,"%ld", i_boot_times);
    /* set and store the boot count number to Env */
    LOG_DEBU("%s\n",c_old_boot_times);
    ef_set_env("boot_times", c_new_boot_times);
    c_old_boot_times = ef_get_env("CTO123456");
    i_boot_times = atol(c_old_boot_times);

LOG_DEBU("cto flow total:%d\n",i_boot_times);
    sprintf(c_new_boot_times,"%ld", i_boot_times+10);
    ef_set_env("CTO123456", c_new_boot_times);
    ef_save_env();
}

/*******************test flashdb*******************************/
#include <flashdb.h>
static uint32_t boot_count = 0;
static struct fdb_kvdb kvdb = { 0 };
static time_t boot_time[10] = {0, 1, 2, 3};
/* default KV nodes */
static struct fdb_default_kv_node default_kv_table[] = {
        {"username", "armink", 0}, /* string KV */
        {"password", "123456", 0}, /* string KV */
        {"boot_count", &boot_count, sizeof(boot_count)}, /* int type KV */
        {"boot_time", &boot_time, sizeof(boot_time)},    /* int array type KV */
};
static void lock(fdb_db_t db)
{
    __disable_irq();
}

static void unlock(fdb_db_t db)
{
    __enable_irq();
}

void testflashDB(){
	 fdb_err_t result;

#ifdef FDB_USING_KVDB
	    { /* KVDB Sample */
	        struct fdb_default_kv default_kv;

default_kv.kvs = default_kv_table;
	        default_kv.num = sizeof(default_kv_table) / sizeof(default_kv_table[0]);
	        /* set the lock and unlock function if you want */
	        fdb_kvdb_control(&kvdb, FDB_KVDB_CTRL_SET_LOCK, (void *)lock);
	        fdb_kvdb_control(&kvdb, FDB_KVDB_CTRL_SET_UNLOCK, (void *)unlock);
	        /* Key-Value database initialization
	         *
	         *       &kvdb: database object
	         *       "env": database name
	         * "fdb_kvdb1": The flash partition name base on FAL. Please make sure it's in FAL partition table.
	         *              Please change to YOUR partition name.
	         * &default_kv: The default KV nodes. It will auto add to KVDB when first initialize successfully.
	         *        NULL: The user data if you need, now is empty.
	         */
	        result = fdb_kvdb_init(&kvdb, "env", "fdb_kvdb1", &default_kv, NULL);

if (result != FDB_NO_ERR) {
	        	rt_kprintf("FDB_NO_ERR\n", boot_count);
	            return;
	        }
	        struct fdb_blob blob;
	        /* run basic KV samples */
		fdb_kv_get_blob(&kvdb, "boot_count",fdb_blob_make(&blob, &boot_count, sizeof(boot_count)));
		/* the blob.saved.len is more than 0 when get the value successful */
		if (blob.saved.len > 0) {
			rt_kprintf("get the 'boot_count' value is %d\n", boot_count);
		} else {
			rt_kprintf("get the 'boot_count' failed\n");
		}
		++boot_count;
		  fdb_kv_set_blob(&kvdb, "boot_count", fdb_blob_make(&blob, &boot_count, sizeof(boot_count)));
	    }
	#endif /* FDB_USING_KVDB */
}
```

GVP 朱天龙 (Armink)/FlashDB

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GVP朱天龙 (Armink)/FlashDB

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