cmiot_sys.h — OTA 系统接口头文件

路径: components/ota/cmiot/port/cmiot_sys.h

功能: OTA 远程升级组件的系统服务接口声明，提供延时、时间获取、日志输出和设备重启等基本系统功能映射。

引用章节: 7.8 OTA 远程升级组件

完整源码

/**
 ***********************************************************************************************************************
 * Copyright (c) 2021, China Mobile Communications Group Co.,Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 *
 * @file        cmiot_sys.h
 *
 * @brief       Interface related to OS.
 *
 * @revision
 * Date         Author          Notes
 * 2021-04-09   OneOS Team      First version.
 ***********************************************************************************************************************/
#ifndef __CMIOT_SYS_H__
#define __CMIOT_SYS_H__

#include "cmiot_type.h"

#if defined(__cplusplus)
extern "C" {
#endif

void         cmiot_msleep(cmiot_uint32 time);
cmiot_uint32 cmiot_get_now_time(void);
void         cmiot_printf(cmiot_char *data, cmiot_uint32 len);
void         cmiot_reboot_device(void);

#if defined(__cplusplus)
}
#endif

#endif /* __CMIOT_SYS_H__ */

关键说明

模块	说明
cmiot_msleep	毫秒延时，映射到 os_task_msleep，OTA 下载过程中等待网络响应
cmiot_get_now_time	获取当前相对时间（毫秒），用于超时判断和日志时间戳
cmiot_printf	日志输出，映射到 os_kprintf，用于 OTA 过程日志
cmiot_reboot_device