Import Mbed OS hard-float snapshot

drivers/source/TimerEvent.cpp

@@ -0,0 +1,68 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2019 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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.
+ */
+#include "drivers/TimerEvent.h"
+
+#include <stddef.h>
+#include "hal/us_ticker_api.h"
+
+using namespace std::chrono;
+
+namespace mbed {
+
+TimerEvent::TimerEvent(const ticker_data_t *data) : event(), _ticker_data(data)
+{
+    _ticker_data.set_handler(irq);
+}
+
+void TimerEvent::irq(uint32_t id)
+{
+    TimerEvent *timer_event = reinterpret_cast<TimerEvent *>(id);
+    timer_event->handler();
+}
+
+TimerEvent::~TimerEvent()
+{
+    remove();
+}
+
+// insert in to linked list
+void TimerEvent::insert(timestamp_t timestamp)
+{
+    ticker_insert_event(_ticker_data, &event, timestamp, (uint32_t)this);
+}
+
+void TimerEvent::insert(microseconds timestamp)
+{
+    insert_absolute(_ticker_data.now() + timestamp);
+}
+
+void TimerEvent::insert_absolute(us_timestamp_t timestamp)
+{
+    ticker_insert_event_us(_ticker_data, &event, timestamp, (uint32_t)this);
+}
+
+void TimerEvent::insert_absolute(TickerDataClock::time_point timestamp)
+{
+    _ticker_data.insert_event(&event, timestamp, (uint32_t)this);
+}
+
+void TimerEvent::remove()
+{
+    _ticker_data.remove_event(&event);
+}
+
+} // namespace mbed