Merge pull request #1169 from zhaojuntao/gettimeofday

[libc] Add gettimeofday support to dlib
2018-01-17 15:26:28 +08:00 · 2018-01-17 15:26:28 +08:00 · 3ceadbe7ee
parent b51eb5ad71 97f0f26535
commit 3ceadbe7ee
1 changed files with 23 additions and 0 deletions
--- a/components/libc/compilers/dlib/time.c
+++ b/components/libc/compilers/dlib/time.c
@ -0,0 +1,23 @@
+#include <sys/time.h>
+
+int gettimeofday(struct timeval *tp, void *ignore)
+{
+	time_t time;
+	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;
+		}
+
+		return time;
+	}
+
+	return 0;
+}
+