Test code for Grove Node BLE
Dependencies: BLE_API nRF51822
Fork of BLE_LoopbackUART by
Timer.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 "Timer.h" 00017 #include "us_ticker_api.h" 00018 00019 namespace mbed { 00020 00021 Timer::Timer() : _running(), _start(), _time() { 00022 reset(); 00023 } 00024 00025 void Timer::start() { 00026 if (!_running) { 00027 _start = us_ticker_read(); 00028 _running = 1; 00029 } 00030 } 00031 00032 void Timer::stop() { 00033 _time += slicetime(); 00034 _running = 0; 00035 } 00036 00037 int Timer::read_us() { 00038 return _time + slicetime(); 00039 } 00040 00041 float Timer::read() { 00042 return (float)read_us() / 1000000.0f; 00043 } 00044 00045 int Timer::read_ms() { 00046 return read_us() / 1000; 00047 } 00048 00049 int Timer::slicetime() { 00050 if (_running) { 00051 return us_ticker_read() - _start; 00052 } else { 00053 return 0; 00054 } 00055 } 00056 00057 void Timer::reset() { 00058 _start = us_ticker_read(); 00059 _time = 0; 00060 } 00061 00062 #ifdef MBED_OPERATORS 00063 Timer::operator float() { 00064 return read(); 00065 } 00066 #endif 00067 00068 } // namespace mbed
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