From ec99faf022bbfc26099e9fd56d7b91668b3dae57 Mon Sep 17 00:00:00 2001 From: SummerGift Date: Wed, 15 May 2019 13:58:20 +0800 Subject: 【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 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- components/libc/compilers/armlibc/time.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) (limited to 'components/libc/compilers') diff --git a/components/libc/compilers/armlibc/time.c b/components/libc/compilers/armlibc/time.c index 29c5c6cdd2..f099d51330 100644 --- a/components/libc/compilers/armlibc/time.c +++ b/components/libc/compilers/armlibc/time.c @@ -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 -- cgit v1.3.1