20 FlashDB使用求助

发布于 2022-08-11 10:17:28 浏览：918 订阅该版

最近一个项目需要用到外部flash存储日志，我根据论坛这个帖子实现了flashdb的使用，我项目的需求要使用tsdb来存储日志，我想着把四个例程都跑一下，但是在运行时出问题了，麻烦大佬们帮我看看是不是有啥参数没配置对，，，
https://club.rt-thread.org/ask/article/349aa10c2052cd40.html
代码段
`````c
/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2022-07-13     lenovo       the first version
 */
#include <stdio.h>
#include <board.h>
#include <flashdb.h>
#include <stm32f1xx_hal.h>

#define FDB_LOG_TAG "flashdb"

static uint32_t boot_count = 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 */
};

/* KVDB object */
static struct fdb_kvdb kvdb = { 0 };
/* TSDB object */
struct fdb_tsdb _global_tsdb = { 0 };
/* counts for simulated timestamp */
static int counts = 0;

extern void kvdb_basic_sample(fdb_kvdb_t kvdb);
extern void kvdb_type_string_sample(fdb_kvdb_t kvdb);
extern void kvdb_type_blob_sample(fdb_kvdb_t kvdb);
extern void tsdb_sample(fdb_tsdb_t tsdb);

static void lock(fdb_db_t db)
{
    __disable_irq();
}

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

static fdb_time_t get_time(void)
{
    /* Using the counts instead of timestamp.
     * Please change this function to return RTC time.
     */
    return ++counts;
}

static int flashdb(void)
{
    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.
         */
        /* init函数的第三个参数，是用于存储数据的fal分区，大家根据自己的情况选择 */
        result = fdb_kvdb_init(&kvdb, "env", "fdb_kvdb1", &default_kv, NULL);

if (result != FDB_NO_ERR)
        {
            return -1;
        }
        else
        {
            /* 这部分例程在运行时会卡死 */

/* run basic KV samples */
            kvdb_basic_sample(&kvdb);

/* run string KV samples */
            kvdb_type_string_sample(&kvdb);

/* run blob KV samples */
            kvdb_type_blob_sample(&kvdb);
        }
    }
#endif /* FDB_USING_KVDB */

#ifdef FDB_USING_TSDB
    {
        /* TSDB Sample */
        /* set the lock and unlock function if you want */
        fdb_tsdb_control(&_global_tsdb, FDB_TSDB_CTRL_SET_LOCK, (void *)lock);
        fdb_tsdb_control(&_global_tsdb, FDB_TSDB_CTRL_SET_UNLOCK, (void *)unlock);
        /* Time series database initialization
         *
         *       &tsdb: database object
         *       "log": database name
         * "fdb_tsdb1": The flash partition name base on FAL. Please make sure it's in FAL partition table.
         *              Please change to YOUR partition name.
         *    get_time: The get current timestamp function.
         *         128: maximum length of each log
         *        NULL: The user data if you need, now is empty.
         */
        result = fdb_tsdb_init(&_global_tsdb, "log", "fdb_tsdb1", get_time, 128, NULL);
        /* read last saved time for simulated timestamp */
        fdb_tsdb_control(&_global_tsdb, FDB_TSDB_CTRL_GET_LAST_TIME, &counts);

if (result != FDB_NO_ERR) {
            return -1;
        }
        else{
            /* run TSDB sample */
            tsdb_sample(&_global_tsdb);
        }

}
#endif /* FDB_USING_TSDB */

return RT_EOK;
}
INIT_ENV_EXPORT(flashdb);

`````

原理图
![Snipaste_2022-08-08_11-00-00.png](https://oss-club.rt-thread.org/uploads/20220811/5a6e4b7f4f9a9731565f9818815d89e8.png "Snipaste_2022-08-08_11-00-00.png")
运行截图1
![kvdb_basic_sample.png](https://oss-club.rt-thread.org/uploads/20220811/e22b63e1059f2d1eae494ceeaacde919.png "kvdb_basic_sample.png")
运行截图2
![kvdb_type_string_sample.png](https://oss-club.rt-thread.org/uploads/20220811/a8cda7ab9eef54fd6ec0d454d63659ba.png.webp "kvdb_type_string_sample.png")
运行截图3
![kvdb_type_blob_sample.png](https://oss-club.rt-thread.org/uploads/20220811/9ab6a4974d3d3bf28f5ec454d75d4277.png.webp "kvdb_type_blob_sample.png")
运行截图4
![tsdb_sample.png](https://oss-club.rt-thread.org/uploads/20220811/ad6a4600117e1d4e6a5a4c26e2598cdb.png.webp "tsdb_sample.png")

这个是录制的gif图
![11211.gif](https://oss-club.rt-thread.org/uploads/20220811/f385d0e8a68b74d7caff695a66d7a8cd.gif "11211.gif")

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