mbed library sources. Supersedes mbed-src. removed serial

Fork of mbed-dev by mbed official

Revision:
149:156823d33999
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/drivers/Ticker.cpp	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,45 @@
+/* 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.
+ */
+#include "drivers/Ticker.h"
+
+#include "drivers/TimerEvent.h"
+#include "platform/FunctionPointer.h"
+#include "hal/ticker_api.h"
+#include "platform/critical.h"
+
+namespace mbed {
+
+void Ticker::detach() {
+    core_util_critical_section_enter();
+    remove();
+    _function.attach(0);
+    core_util_critical_section_exit();
+}
+
+void Ticker::setup(timestamp_t t) {
+    core_util_critical_section_enter();
+    remove();
+    _delay = t;
+    insert(_delay + ticker_read(_ticker_data));
+    core_util_critical_section_exit();
+}
+
+void Ticker::handler() {
+    insert(event.timestamp + _delay);
+    _function.call();
+}
+
+} // namespace mbed