Rtos API example

Revision:
0:9fca2b23d0ba
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/hal/rtc_api.h	Sat Feb 23 12:13:36 2019 +0000
@@ -0,0 +1,77 @@
+
+/** \addtogroup hal */
+/** @{*/
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_RTC_API_H
+#define MBED_RTC_API_H
+
+#include "device.h"
+
+#if DEVICE_RTC
+
+#include <time.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup hal_rtc RTC hal functions
+ * @{
+ */
+
+/** Initialize the RTC peripheral
+ *
+ */
+void rtc_init(void);
+
+/** Deinitialize RTC
+ *
+ * TODO: The function is not used by rtc api in mbed-drivers.
+ */
+void rtc_free(void);
+
+/** Get the RTC enable status
+ *
+ * @retval 0 disabled
+ * @retval 1 enabled
+ */
+int rtc_isenabled(void);
+
+/** Get the current time from the RTC peripheral
+ *
+ * @return The current time
+ */
+time_t rtc_read(void);
+
+/** Set the current time to the RTC peripheral
+ *
+ * @param t The current time to be set
+ */
+void rtc_write(time_t t);
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
+
+/** @}*/