mbed library sources: Modified to operate FRDM-KL25Z at 48MHz from internal 32kHz oscillator (nothing else changed).
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Ticker.cpp
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #include "Ticker.h" 00017 00018 #include "TimerEvent.h" 00019 #include "FunctionPointer.h" 00020 00021 namespace mbed { 00022 00023 void Ticker::detach() { 00024 remove(); 00025 _chain.clear(); 00026 } 00027 00028 void Ticker::setup(unsigned int t) { 00029 remove(); 00030 _delay = t; 00031 insert(_delay + us_ticker_read()); 00032 } 00033 00034 void Ticker::handler() { 00035 insert(event.timestamp + _delay); 00036 _chain.call(); 00037 } 00038 00039 pFunctionPointer_t Ticker::add_function_helper(void (*fptr)(void), bool front) { 00040 if (_chain.size() == 0) 00041 return NULL; 00042 return front ? _chain.add_front(fptr) : _chain.add(fptr); 00043 } 00044 00045 } // namespace mbed
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