[bsp/simulator] Add RTC device RT_DEVICE_CTRL_RTC_GET_TIME_US command implement.

bsp/simulator/drivers/drv_rtc.c

@@ -48,7 +48,7 @@ static void soft_rtc_alarm_update(struct rt_rtc_wkalarm *palarm)
 static rt_err_t soft_rtc_control(rt_device_t dev, int cmd, void *args)
 {
     __time32_t *t;
-    struct tm *newtime;
+    struct tm newtime;
 
     RT_ASSERT(dev != RT_NULL);
 
@@ -57,10 +57,16 @@ static rt_err_t soft_rtc_control(rt_device_t dev, int cmd, void *args)
     case RT_DEVICE_CTRL_RTC_GET_TIME:
     {
         t = (__time32_t *)args;
-        _time32(t);
-        /* TODO The libc time module not support timezone now. So get the time from locatime. */
-        newtime = _localtime32(t);
-        *t = _mkgmtime32(newtime);
+        SYSTEMTIME sys_time;
+
+        GetSystemTime(&sys_time);
+        newtime.tm_year = sys_time.wYear - 1900;
+        newtime.tm_mon = sys_time.wMonth - 1;
+        newtime.tm_mday = sys_time.wDay;
+        newtime.tm_hour = sys_time.wHour;
+        newtime.tm_min = sys_time.wMinute;
+        newtime.tm_sec = sys_time.wSecond;
+        *t = timegm(&newtime);
         break;
     }
     case RT_DEVICE_CTRL_RTC_SET_TIME:
@@ -79,6 +85,16 @@ static rt_err_t soft_rtc_control(rt_device_t dev, int cmd, void *args)
         soft_rtc_alarm_update(&wkalarm);
         break;
 #endif
+    case RT_DEVICE_CTRL_RTC_GET_TIME_US:
+    {
+        long *tv_usec = (long *)args;
+        SYSTEMTIME sys_time;
+        GetSystemTime(&sys_time);
+        *tv_usec = sys_time.wMilliseconds * 1000UL;
+        break;
+    }
+    default:
+        return -RT_ERROR;
     }
 
     return RT_EOK;