277 lines
7.0 KiB
C
277 lines
7.0 KiB
C
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/**
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* @file app_log.c
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* @author LokLiang
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* @brief app_log.h 模块源码
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* @version 0.1
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* @date 2023-11-242
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*
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* @copyright Copyright (c) 2023
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*
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*/
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#include "app_log.h"
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#include "nvs.h"
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#include "utils/crc.h"
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#include "os/os.h"
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#undef CONFIG_SYS_LOG_LEVEL
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#define CONFIG_SYS_LOG_LEVEL SYS_LOG_LEVEL_INF
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#define SYS_LOG_DOMAIN "APLOG"
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#define CONS_ABORT()
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#include "sys_log.h"
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#define _NVS_KEY_MAIN "log-main"
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/* 数据区 -------------------------------------------------------------------------------------- */
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extern nvs_handle g_nvs_hdl;
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static struct
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{
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os_time_t flight_time_start;
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} s_cm;
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/* nvs 接口 ------------------------------------------------------------------------------------ */
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static int _read_key(const char *key, void *out_value, size_t tar_length, uint32_t *crc_base);
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static int _set_crc(const void *struct_base, size_t struct_length, uint32_t *crc_base);
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static int _do_factory_set(log_app_t *log);
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/**
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* @brief 读取指定的数据,并按给出的特性进行校验,返回校验结果
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*
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* @param key 在 nvs 的存储块的键值
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* @param out_value[out] 输出内存
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* @param tar_length 输出的内存预期的长度
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* @param crc_base[io] CRC 校验值所在内存块的地址(绝对值)。输入:校验值,输出:新的正确校验值
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* @retval 0 正确读取了已存储数据
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* @retval 1 nvs 模块可用, CRC 校验值已更新
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* @retval -1 nvs 模块不可用
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*/
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static int _read_key(const char *key, void *out_value, size_t tar_length, uint32_t *crc_base)
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{
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size_t required_size = 0;
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esp_err_t err = ESP_OK;
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/* 在确认已存储的数据长度前,仅获取长度以免数据溢出 */
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err = nvs_get_blob(g_nvs_hdl, key, NULL, &required_size);
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if (err != ESP_OK)
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{
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SYS_LOG_WRN("failed to read prfsdata data length, err:%d", err);
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return -1;
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}
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if (required_size != tar_length)
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{
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SYS_LOG_WRN("invalid prfsdata length, length:%d, err:%d", required_size, err);
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return -1;
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}
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/* 读出已存储的数据 */
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err = nvs_get_blob(g_nvs_hdl, key, out_value, &required_size);
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if (err != ESP_OK)
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{
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SYS_LOG_ERR("failed to read prfsdata data, err:%d", err);
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return -1;
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}
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/* 设置并校验 CRC */
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if (_set_crc(out_value, tar_length, crc_base))
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{
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SYS_LOG_WRN("read frs failed, incorrect crc and update");
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return 1;
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}
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return 0;
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}
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/**
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* @brief 校验并更新结构体中 CRC 的值。
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* 这将校验整个结构(包含 CRC 本身),因此 CRC 自身的初始值为 0,然后更新 CRC 的结果到结构中
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*
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* @param struct_base 待分析和设置的内存块
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* @param struct_length 待分析和设置的内存块的实际长度
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* @param crc_base[io] CRC 校验值所在内存块的地址(绝对值)
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* @retval 0 校验正确
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* @retval 1 校验错误,并且设置了正确的校验值
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*/
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static int _set_crc(const void *struct_base, size_t struct_length, uint32_t *crc_base)
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{
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// 校验读出来的数据的正确性
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uint32_t crc_read = *crc_base;
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*crc_base = 0;
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*crc_base = crc32_calc(0, struct_base, struct_length);
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return (crc_read != *crc_base);
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}
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static int _do_factory_set(log_app_t *log)
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{
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memset(log, 0, sizeof(*log));
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log->flight_data.crc16 = crc16_calc(NULL, 0);
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return app_log_do_save(log);
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}
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/**
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* @brief 初始化
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*/
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void app_log_init(void)
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{
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SYS_ASSERT(g_nvs_hdl != 0, "");
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}
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/**
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* @brief 使内存的数据恢复到默认设置
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*
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* @retval 0 操作成功
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* @retval -1 操作失败
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*/
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int app_log_factory_set(void)
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{
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log_app_t *log = os_malloc(sizeof(log_app_t));
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if (log == NULL)
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{
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SYS_LOG_WRN("malloc fail");
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return -1;
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}
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int ret = _do_factory_set(log);
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os_free(log);
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return ret;
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}
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/**
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* @brief 立即执行保存 配置数据 到 nvs 的动作
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*
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* @param delay_ms 0: 立即保存, > 0 多少毫秒后执行保存
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* @return int @ref esp_err_t
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*/
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int app_log_do_save(log_app_t *log)
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{
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log->version = APP_LOG_DATA_VER;
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_set_crc(log, sizeof(*log), &log->crc32);
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esp_err_t err = nvs_set_blob(g_nvs_hdl, _NVS_KEY_MAIN, log, sizeof(*log));
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if (err != ESP_OK)
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{
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SYS_LOG_WRN("nvs_set_blob() err: %d", err);
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}
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return err;
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}
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/* 读接口 -------------------------------------------------------------------------------------- */
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/**
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* @brief 读取日志信息
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* 将从 nvs 读取已保存的数据到内存 log_app_t 中。
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* 当出现以下情况时,配置数据被恢复到默认值:
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* nvs 未初始化或操作失败;
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* 使用 app_log_factory_set() 立即恢复到默认值;
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* 结构体的长度 log_app_t 发生改变;
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* APP_CONFIG_DATA_VER 定义的值发生改变;
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*
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* @param out_log[out] 用于保存日志信息的内存
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* @retval 0 成功读取已有记录
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* @retval 1 已恢复默认设置
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* @retval -1 nvs 操作失败
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*/
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int app_log_read(log_app_t *out_log)
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{
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int ret = _read_key(_NVS_KEY_MAIN, out_log, sizeof(*out_log), &out_log->crc32);
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if (ret)
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{
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goto use_default_prfs;
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}
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if (out_log->version != APP_LOG_DATA_VER)
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{
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ret = 1;
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SYS_LOG_WRN("Upgrade to the latest version: %u ==> %u", out_log->version, APP_LOG_DATA_VER);
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goto use_default_prfs;
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}
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return ret;
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use_default_prfs:
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_do_factory_set(out_log);
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return ret;
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}
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/* 写接口 -------------------------------------------------------------------------------------- */
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/**
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* @brief 开始计时
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*
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*/
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void app_log_flight_time_start(void)
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{
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log_app_t *log = os_malloc(sizeof(log_app_t));
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if (log == NULL)
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{
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SYS_LOG_WRN("malloc fail");
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return;
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}
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if (log->flight_data.flight_number < __ARRAY_SIZE(log->flight_data.datas))
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{
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s_cm.flight_time_start = os_get_sys_time();
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}
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else
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{
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s_cm.flight_time_start = 0;
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SYS_LOG_INF("The maximum number of groups: %d", __ARRAY_SIZE(log->flight_data.datas));
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}
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os_free(log);
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}
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/**
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* @brief 结束计时,并保存这个记录
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*
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*/
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void app_log_flight_time_stop(void)
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{
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if (s_cm.flight_time_start == 0)
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{
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SYS_LOG_WRN("never exec app_log_flight_time_start()");
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return;
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}
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log_app_t *log = os_malloc(sizeof(log_app_t));
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if (log == NULL)
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{
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SYS_LOG_WRN("malloc fail");
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return;
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}
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os_time_t time_cost_sec = (os_get_sys_time() - s_cm.flight_time_start) / 1000;
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if (time_cost_sec > 10)
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{
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log->flight_data.datas[log->flight_data.flight_number++] = time_cost_sec;
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log->flight_data.crc16 = crc16_calc(log->flight_data.datas, sizeof(log->flight_data.datas[0]) * log->flight_data.flight_number);
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app_log_do_save(log);
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}
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s_cm.flight_time_start = 0;
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os_free(log);
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}
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/**
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* @brief 清除全部计时记录
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*
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*/
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void app_log_flight_time_clr(void)
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{
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log_app_t *log = os_malloc(sizeof(log_app_t));
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if (log == NULL)
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{
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SYS_LOG_WRN("malloc fail");
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return;
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}
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memset(&log->flight_data, 0, sizeof(log->flight_data));
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app_log_do_save(log);
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os_free(log);
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}
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