Function soft_rtc_control

components/drivers/rtc/dev_soft_rtc.c:84–189

}

static rt_err_t soft_rtc_control(rt_device_t dev, int cmd, void *args)
{
    time_t *t;
    struct tm time_temp;

    RT_ASSERT(dev != RT_NULL);
    rt_memset(&time_temp, 0, sizeof(struct tm));

    switch (cmd)
    {
    case RT_DEVICE_CTRL_RTC_GET_TIME:
    {
        t = (time_t *) args;
        *t = init_time + (rt_tick_get() - init_tick) / RT_TICK_PER_SECOND;
        break;
    }
    case RT_DEVICE_CTRL_RTC_SET_TIME:
    {
        t = (time_t *) args;
        set_rtc_time(*t);
        break;
    }
#ifdef RT_USING_ALARM
    case RT_DEVICE_CTRL_RTC_GET_ALARM:
        *((struct rt_rtc_wkalarm *)args) = wkalarm;
        break;
    case RT_DEVICE_CTRL_RTC_SET_ALARM:
        wkalarm = *((struct rt_rtc_wkalarm *)args);
        soft_rtc_alarm_update(&wkalarm);
        break;
#endif
#ifdef RT_USING_KTIME
    case RT_DEVICE_CTRL_RTC_GET_TIMEVAL:
    {
        struct timeval _tv;
        struct timeval *tv = (struct timeval *)args;
        rt_ktime_boottime_get_us(&_tv);
        tv->tv_sec  = init_time + _tv.tv_sec;
        tv->tv_usec = init_tv.tv_usec + _tv.tv_usec;
        break;
    }
    case RT_DEVICE_CTRL_RTC_SET_TIMEVAL:
    {
        struct timeval _tv;
        struct timeval *tv = (struct timeval *)args;
        rt_ktime_boottime_get_us(&_tv);
        set_rtc_time(tv->tv_sec);
        init_tv.tv_usec = tv->tv_usec - _tv.tv_usec;
        break;
    }
    case RT_DEVICE_CTRL_RTC_GET_TIMESPEC:
    {
        struct timespec _ts;
        struct timespec *ts = (struct timespec *)args;
        rt_ktime_boottime_get_ns(&_ts);
        ts->tv_sec  = init_time + _ts.tv_sec;
        ts->tv_nsec = init_ts.tv_nsec + _ts.tv_nsec;
        break;