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【修改】由于 gettimeofday 函数依赖 rtc 设备才能实现，因此如果无法获取 rtc 设备应当断言

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This commit is contained in:
SummerGift 2019-05-15 13:58:20 +08:00
parent 0dae909f66
commit ec99faf022
1 changed files with 7 additions and 10 deletions
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17
components/libc/compilers/armlibc/time.c
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@ -16,19 +16,16 @@ int gettimeofday(struct timeval *tp, void *ignore)
rt_device_t device;
device = rt_device_find("rtc");
if (device != RT_NULL)
{
rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &time);
if (tp != RT_NULL)
{
tp->tv_sec = time;
tp->tv_usec = 0;
}
RT_ASSERT(device != RT_NULL);
return time;
rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &time);
if (tp != RT_NULL)
{
tp->tv_sec = time;
tp->tv_usec = 0;
}
return 0;
return time;
}
#endif