USBclock 48Mhz, enable serial4 and serial5.
Fork of mbed-src by
Embed:
(wiki syntax)
Show/hide line numbers
Ticker.h
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 #ifndef MBED_TICKER_H 00017 #define MBED_TICKER_H 00018 00019 #include "TimerEvent.h" 00020 #include "FunctionPointer.h" 00021 00022 namespace mbed { 00023 00024 /** A Ticker is used to call a function at a recurring interval 00025 * 00026 * You can use as many seperate Ticker objects as you require. 00027 * 00028 * Example: 00029 * @code 00030 * // Toggle the blinking led after 5 seconds 00031 * 00032 * #include "mbed.h" 00033 * 00034 * Ticker timer; 00035 * DigitalOut led1(LED1); 00036 * DigitalOut led2(LED2); 00037 * 00038 * int flip = 0; 00039 * 00040 * void attime() { 00041 * flip = !flip; 00042 * } 00043 * 00044 * int main() { 00045 * timer.attach(&attime, 5); 00046 * while(1) { 00047 * if(flip == 0) { 00048 * led1 = !led1; 00049 * } else { 00050 * led2 = !led2; 00051 * } 00052 * wait(0.2); 00053 * } 00054 * } 00055 * @endcode 00056 */ 00057 class Ticker : public TimerEvent { 00058 00059 public: 00060 Ticker() : TimerEvent() { 00061 } 00062 00063 Ticker(const ticker_data_t *data) : TimerEvent(data) { 00064 } 00065 00066 /** Attach a function to be called by the Ticker, specifiying the interval in seconds 00067 * 00068 * @param fptr pointer to the function to be called 00069 * @param t the time between calls in seconds 00070 */ 00071 void attach(void (*fptr)(void), float t) { 00072 attach_us(fptr, t * 1000000.0f); 00073 } 00074 00075 /** Attach a member function to be called by the Ticker, specifiying the interval in seconds 00076 * 00077 * @param tptr pointer to the object to call the member function on 00078 * @param mptr pointer to the member function to be called 00079 * @param t the time between calls in seconds 00080 */ 00081 template<typename T> 00082 void attach(T* tptr, void (T::*mptr)(void), float t) { 00083 attach_us(tptr, mptr, t * 1000000.0f); 00084 } 00085 00086 /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds 00087 * 00088 * @param fptr pointer to the function to be called 00089 * @param t the time between calls in micro-seconds 00090 */ 00091 void attach_us(void (*fptr)(void), timestamp_t t) { 00092 _function.attach(fptr); 00093 setup(t); 00094 } 00095 00096 /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds 00097 * 00098 * @param tptr pointer to the object to call the member function on 00099 * @param mptr pointer to the member function to be called 00100 * @param t the time between calls in micro-seconds 00101 */ 00102 template<typename T> 00103 void attach_us(T* tptr, void (T::*mptr)(void), timestamp_t t) { 00104 _function.attach(tptr, mptr); 00105 setup(t); 00106 } 00107 00108 virtual ~Ticker() { 00109 detach(); 00110 } 00111 00112 /** Detach the function 00113 */ 00114 void detach(); 00115 00116 protected: 00117 void setup(timestamp_t t); 00118 virtual void handler(); 00119 00120 protected: 00121 timestamp_t _delay; /**< Time delay (in microseconds) for re-setting the multi-shot callback. */ 00122 FunctionPointer _function; /**< Callback. */ 00123 }; 00124 00125 } // namespace mbed 00126 00127 #endif
Generated on Tue Jul 12 2022 16:19:44 by 1.7.2