800*320工程文件+初始demo提交
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/*
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* Copyright (c) 2020, Armink, <armink.ztl@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief basic KV samples.
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*
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* basic Key-Value Database KV feature samples
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* get and show currnet boot counts
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*/
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#include <flashdb.h>
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#ifdef FDB_USING_KVDB
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#define FDB_LOG_TAG "[sample][kvdb][basic]"
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void kvdb_basic_sample(fdb_kvdb_t kvdb)
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{
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struct fdb_blob blob;
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int boot_count = 0;
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FDB_INFO("==================== kvdb_basic_sample ====================\n");
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{ /* GET the KV value */
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/* get the "boot_count" KV value */
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fdb_kv_get_blob(kvdb, "boot_count", fdb_blob_make(&blob, &boot_count, sizeof(boot_count)));
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/* the blob.saved.len is more than 0 when get the value successful */
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if (blob.saved.len > 0) {
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FDB_INFO("get the 'boot_count' value is %d\n", boot_count);
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} else {
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FDB_INFO("get the 'boot_count' failed\n");
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}
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}
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{ /* CHANGE the KV value */
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/* increase the boot count */
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boot_count ++;
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/* change the "boot_count" KV's value */
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fdb_kv_set_blob(kvdb, "boot_count", fdb_blob_make(&blob, &boot_count, sizeof(boot_count)));
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FDB_INFO("set the 'boot_count' value to %d\n", boot_count);
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}
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FDB_INFO("===========================================================\n");
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}
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#endif /* FDB_USING_KVDB */
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/*
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* Copyright (c) 2020, Armink, <armink.ztl@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief blob KV samples.
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*
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* Key-Value Database blob type KV feature samples
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*/
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#include <flashdb.h>
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#ifdef FDB_USING_KVDB
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#define FDB_LOG_TAG "[sample][kvdb][blob]"
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void kvdb_type_blob_sample(fdb_kvdb_t kvdb)
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{
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struct fdb_blob blob;
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FDB_INFO("==================== kvdb_type_blob_sample ====================\n");
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{ /* CREATE new Key-Value */
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int temp_data = 36;
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/* It will create new KV node when "temp" KV not in database.
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* fdb_blob_make: It's a blob make function, and it will return the blob when make finish.
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*/
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fdb_kv_set_blob(kvdb, "temp", fdb_blob_make(&blob, &temp_data, sizeof(temp_data)));
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FDB_INFO("create the 'temp' blob KV, value is: %d\n", temp_data);
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}
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{ /* GET the KV value */
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int temp_data = 0;
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/* get the "temp" KV value */
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fdb_kv_get_blob(kvdb, "temp", fdb_blob_make(&blob, &temp_data, sizeof(temp_data)));
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/* the blob.saved.len is more than 0 when get the value successful */
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if (blob.saved.len > 0) {
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FDB_INFO("get the 'temp' value is: %d\n", temp_data);
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}
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}
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{ /* CHANGE the KV value */
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int temp_data = 38;
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/* change the "temp" KV's value to 38 */
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fdb_kv_set_blob(kvdb, "temp", fdb_blob_make(&blob, &temp_data, sizeof(temp_data)));
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FDB_INFO("set 'temp' value to %d\n", temp_data);
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}
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{ /* DELETE the KV by name */
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fdb_kv_del(kvdb, "temp");
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FDB_INFO("delete the 'temp' finish\n");
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}
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FDB_INFO("===========================================================\n");
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}
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#endif /* FDB_USING_KVDB */
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/*
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* Copyright (c) 2020, Armink, <armink.ztl@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief string KV samples.
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*
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* Key-Value Database string type KV feature samples source file.
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*/
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#include <flashdb.h>
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#include <string.h>
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#ifdef FDB_USING_KVDB
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#define FDB_LOG_TAG "[sample][kvdb][string]"
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void kvdb_type_string_sample(fdb_kvdb_t kvdb)
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{
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FDB_INFO("==================== kvdb_type_string_sample ====================\n");
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{ /* CREATE new Key-Value */
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char temp_data[10] = "36C";
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/* It will create new KV node when "temp" KV not in database. */
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fdb_kv_set(kvdb, "temp", temp_data);
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FDB_INFO("create the 'temp' string KV, value is: %s\n", temp_data);
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}
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{ /* GET the KV value */
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char *return_value, temp_data[10] = { 0 };
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/* Get the "temp" KV value.
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* NOTE: The return value saved in fdb_kv_get's buffer. Please copy away as soon as possible.
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*/
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return_value = fdb_kv_get(kvdb, "temp");
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/* the return value is NULL when get the value failed */
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if (return_value != NULL) {
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strncpy(temp_data, return_value, sizeof(temp_data));
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FDB_INFO("get the 'temp' value is: %s\n", temp_data);
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}
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}
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{ /* CHANGE the KV value */
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char temp_data[10] = "38C";
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/* change the "temp" KV's value to "38.1" */
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fdb_kv_set(kvdb, "temp", temp_data);
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FDB_INFO("set 'temp' value to %s\n", temp_data);
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}
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// { /* DELETE the KV by name */
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// fdb_kv_del(kvdb, "temp");
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// FDB_INFO("delete the 'temp' finish\n");
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// }
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FDB_INFO("===========================================================\n");
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}
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#endif /* FDB_USING_KVDB */
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128
SW/components/modules/FlashDB/flashdb/samples/tsdb_sample.c
Normal file
128
SW/components/modules/FlashDB/flashdb/samples/tsdb_sample.c
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/*
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* Copyright (c) 2020, Armink, <armink.ztl@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief TSDB samples.
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*
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* Time series log (like TSDB) feature samples source file.
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*
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* TSL is time series log, the TSDB saved many TSLs.
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*/
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#include <flashdb.h>
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#include <string.h>
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#ifdef FDB_USING_TSDB
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#define FDB_LOG_TAG "[sample][tsdb]"
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struct env_status {
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int temp;
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int humi;
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};
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static bool query_cb(fdb_tsl_t tsl, void *arg);
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static bool query_by_time_cb(fdb_tsl_t tsl, void *arg);
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static bool set_status_cb(fdb_tsl_t tsl, void *arg);
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void tsdb_sample(fdb_tsdb_t tsdb)
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{
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struct fdb_blob blob;
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FDB_INFO("==================== tsdb_sample ====================\n");
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{ /* APPEND new TSL (time series log) */
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struct env_status status;
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int test_data[15]={'h','e','l','l','o',' ','w','o','r','l','d'};
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test_data[12] =0;
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while(1)
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{
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test_data[12]++;
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fdb_tsl_append(tsdb, fdb_blob_make(&blob, test_data, sizeof(test_data)));
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}
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/* append new log to TSDB */
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// status.temp = 36;
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// status.humi = 85;
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// fdb_tsl_append(tsdb, fdb_blob_make(&blob, &status, sizeof(status)));
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// FDB_INFO("append the new status.temp (%d) and status.humi (%d)\n", status.temp, status.humi);
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//
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// status.temp = 38;
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// status.humi = 90;
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// fdb_tsl_append(tsdb, fdb_blob_make(&blob, &status, sizeof(status)));
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// FDB_INFO("append the new status.temp (%d) and status.humi (%d)\n", status.temp, status.humi);
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}
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// { /* QUERY the TSDB */
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// /* query all TSL in TSDB by iterator */
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// fdb_tsl_iter(tsdb, query_cb, tsdb);
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// }
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// { /* QUERY the TSDB by time */
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// /* prepare query time (from 1970-01-01 00:00:00 to 2020-05-05 00:00:00) */
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// struct tm tm_from = { .tm_year = 1970 - 1900, .tm_mon = 0, .tm_mday = 1, .tm_hour = 0, .tm_min = 0, .tm_sec = 0 };
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// struct tm tm_to = { .tm_year = 2020 - 1900, .tm_mon = 4, .tm_mday = 5, .tm_hour = 0, .tm_min = 0, .tm_sec = 0 };
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// time_t from_time = mktime(&tm_from), to_time = mktime(&tm_to);
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// size_t count;
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// /* query all TSL in TSDB by time */
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// fdb_tsl_iter_by_time(tsdb, from_time, to_time, query_by_time_cb, tsdb);
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// /* query all FDB_TSL_WRITE status TSL's count in TSDB by time */
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// count = fdb_tsl_query_count(tsdb, from_time, to_time, FDB_TSL_WRITE);
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// FDB_INFO("query count is: %zu\n", count);
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// }
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// { /* SET the TSL status */
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// /* Change the TSL status by iterator or time iterator
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// * set_status_cb: the change operation will in this callback
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// *
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// * NOTE: The actions to modify the state must be in order.
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// * like: FDB_TSL_WRITE -> FDB_TSL_USER_STATUS1 -> FDB_TSL_DELETED -> FDB_TSL_USER_STATUS2
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// * The intermediate states can also be ignored.
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// * such as: FDB_TSL_WRITE -> FDB_TSL_DELETED
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// */
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// fdb_tsl_iter(tsdb, set_status_cb, tsdb);
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// }
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FDB_INFO("===========================================================\n");
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}
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static bool query_cb(fdb_tsl_t tsl, void *arg)
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{
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struct fdb_blob blob;
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struct env_status status;
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fdb_tsdb_t db = arg;
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char my_log[12];
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fdb_blob_read((fdb_db_t) db, fdb_tsl_to_blob(tsl, fdb_blob_make(&blob, &status, sizeof(status))));
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FDB_INFO("[query_cb] queried a TSL: time: %ld, temp: %d, humi: %d\n", tsl->time, status.temp, status.humi);
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return false;
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}
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static bool query_by_time_cb(fdb_tsl_t tsl, void *arg)
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{
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struct fdb_blob blob;
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struct env_status status;
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fdb_tsdb_t db = arg;
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fdb_blob_read((fdb_db_t) db, fdb_tsl_to_blob(tsl, fdb_blob_make(&blob, &status, sizeof(status))));
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FDB_INFO("[query_by_time_cb] queried a TSL: time: %ld, temp: %d, humi: %d\n", tsl->time, status.temp, status.humi);
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return false;
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}
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static bool set_status_cb(fdb_tsl_t tsl, void *arg)
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{
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fdb_tsdb_t db = arg;
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FDB_INFO("set the TSL (time %ld) status from %d to %d\n", tsl->time, tsl->status, FDB_TSL_USER_STATUS1);
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fdb_tsl_set_status(db, tsl, FDB_TSL_USER_STATUS1);
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return false;
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}
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#endif /* FDB_USING_TSDB */
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