sdk-bsp-draco/project_0/samples/c/rtc_sample.c

/* Copyright Canaan Inc.
 *
 * 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.
 */

#include <rtthread.h>
#include <rtdevice.h>

static rt_device_t rtc_dev;

static int rtc_sample(int argc, char *argv[])
{
    rt_err_t ret = RT_EOK;
    time_t now;


    rtc_dev = rt_device_find("rtc");
    /* 设置日期 */
    ret = set_date(2022, 7, 15);
    if (ret != RT_EOK)
    {
        rt_kprintf("set RTC date failed\n");
        return ret;
    }

    /* 设置时间 */
    ret = set_time(16, 15, 50);
    if (ret != RT_EOK)
    {
        rt_kprintf("set RTC time failed\n");
        return ret;
    }

    /* 延时3秒 */
    rt_thread_mdelay(3000);

    /* 获取时间 */
    now = time(RT_NULL);
    //ret = rt_device_control(rtc_dev, RT_DEVICE_CTRL_RTC_GET_TIME, &now);
    rt_kprintf("%s\n", ctime(&now));
    rt_kprintf("%d\n", now);

    return ret;
}
/* 导出到 msh 命令列表中 */
MSH_CMD_EXPORT(rtc_sample, rtc sample);