Describes predefine macros for mbed online compiler (armcc)

Revision:
6:40e873bbc5f7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed/drivers/LowPowerTicker.h	Thu Mar 16 21:58:09 2017 +0900
@@ -0,0 +1,50 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2015 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_LOWPOWERTICKER_H
+#define MBED_LOWPOWERTICKER_H
+
+#include "platform/platform.h"
+#include "drivers/Ticker.h"
+
+#if DEVICE_LOWPOWERTIMER
+
+#include "hal/lp_ticker_api.h"
+
+namespace mbed {
+/** \addtogroup drivers */
+/** @{*/
+
+/** Low Power Ticker
+ *
+ * @Note Synchronization level: Interrupt safe
+ */
+class LowPowerTicker : public Ticker {
+
+public:
+    LowPowerTicker() : Ticker(get_lp_ticker_data()) {
+    }
+
+    virtual ~LowPowerTicker() {
+    }
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
+
+/** @}*/