Opencv 3.1 project on GR-PEACH board
Fork of gr-peach-opencv-project by
drivers/Ticker.h@170:54ff26da7eb6, 2017-07-04 (annotated)
- Committer:
- thedo
- Date:
- Tue Jul 04 06:23:13 2017 +0000
- Revision:
- 170:54ff26da7eb6
- Parent:
- 167:1657b442184c
project opencv 3.1 on GR PEACH board, no use SD card.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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thedo | 167:1657b442184c | 1 | /* mbed Microcontroller Library |
thedo | 167:1657b442184c | 2 | * Copyright (c) 2006-2013 ARM Limited |
thedo | 167:1657b442184c | 3 | * |
thedo | 167:1657b442184c | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
thedo | 167:1657b442184c | 5 | * you may not use this file except in compliance with the License. |
thedo | 167:1657b442184c | 6 | * You may obtain a copy of the License at |
thedo | 167:1657b442184c | 7 | * |
thedo | 167:1657b442184c | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
thedo | 167:1657b442184c | 9 | * |
thedo | 167:1657b442184c | 10 | * Unless required by applicable law or agreed to in writing, software |
thedo | 167:1657b442184c | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
thedo | 167:1657b442184c | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
thedo | 167:1657b442184c | 13 | * See the License for the specific language governing permissions and |
thedo | 167:1657b442184c | 14 | * limitations under the License. |
thedo | 167:1657b442184c | 15 | */ |
thedo | 167:1657b442184c | 16 | #ifndef MBED_TICKER_H |
thedo | 167:1657b442184c | 17 | #define MBED_TICKER_H |
thedo | 167:1657b442184c | 18 | |
thedo | 167:1657b442184c | 19 | #include "drivers/TimerEvent.h" |
thedo | 167:1657b442184c | 20 | #include "platform/Callback.h" |
thedo | 167:1657b442184c | 21 | #include "platform/mbed_toolchain.h" |
thedo | 167:1657b442184c | 22 | |
thedo | 167:1657b442184c | 23 | namespace mbed { |
thedo | 167:1657b442184c | 24 | /** \addtogroup drivers */ |
thedo | 167:1657b442184c | 25 | |
thedo | 167:1657b442184c | 26 | /** A Ticker is used to call a function at a recurring interval |
thedo | 167:1657b442184c | 27 | * |
thedo | 167:1657b442184c | 28 | * You can use as many seperate Ticker objects as you require. |
thedo | 167:1657b442184c | 29 | * |
thedo | 167:1657b442184c | 30 | * @note Synchronization level: Interrupt safe |
thedo | 167:1657b442184c | 31 | * |
thedo | 167:1657b442184c | 32 | * Example: |
thedo | 167:1657b442184c | 33 | * @code |
thedo | 167:1657b442184c | 34 | * // Toggle the blinking led after 5 seconds |
thedo | 167:1657b442184c | 35 | * |
thedo | 167:1657b442184c | 36 | * #include "mbed.h" |
thedo | 167:1657b442184c | 37 | * |
thedo | 167:1657b442184c | 38 | * Ticker timer; |
thedo | 167:1657b442184c | 39 | * DigitalOut led1(LED1); |
thedo | 167:1657b442184c | 40 | * DigitalOut led2(LED2); |
thedo | 167:1657b442184c | 41 | * |
thedo | 167:1657b442184c | 42 | * int flip = 0; |
thedo | 167:1657b442184c | 43 | * |
thedo | 167:1657b442184c | 44 | * void attime() { |
thedo | 167:1657b442184c | 45 | * flip = !flip; |
thedo | 167:1657b442184c | 46 | * } |
thedo | 167:1657b442184c | 47 | * |
thedo | 167:1657b442184c | 48 | * int main() { |
thedo | 167:1657b442184c | 49 | * timer.attach(&attime, 5); |
thedo | 167:1657b442184c | 50 | * while(1) { |
thedo | 167:1657b442184c | 51 | * if(flip == 0) { |
thedo | 167:1657b442184c | 52 | * led1 = !led1; |
thedo | 167:1657b442184c | 53 | * } else { |
thedo | 167:1657b442184c | 54 | * led2 = !led2; |
thedo | 167:1657b442184c | 55 | * } |
thedo | 167:1657b442184c | 56 | * wait(0.2); |
thedo | 167:1657b442184c | 57 | * } |
thedo | 167:1657b442184c | 58 | * } |
thedo | 167:1657b442184c | 59 | * @endcode |
thedo | 167:1657b442184c | 60 | * @ingroup drivers |
thedo | 167:1657b442184c | 61 | */ |
thedo | 167:1657b442184c | 62 | class Ticker : public TimerEvent { |
thedo | 167:1657b442184c | 63 | |
thedo | 167:1657b442184c | 64 | public: |
thedo | 167:1657b442184c | 65 | Ticker() : TimerEvent() { |
thedo | 167:1657b442184c | 66 | } |
thedo | 167:1657b442184c | 67 | |
thedo | 167:1657b442184c | 68 | Ticker(const ticker_data_t *data) : TimerEvent(data) { |
thedo | 167:1657b442184c | 69 | data->interface->init(); |
thedo | 167:1657b442184c | 70 | } |
thedo | 167:1657b442184c | 71 | |
thedo | 167:1657b442184c | 72 | /** Attach a function to be called by the Ticker, specifiying the interval in seconds |
thedo | 167:1657b442184c | 73 | * |
thedo | 167:1657b442184c | 74 | * @param func pointer to the function to be called |
thedo | 167:1657b442184c | 75 | * @param t the time between calls in seconds |
thedo | 167:1657b442184c | 76 | */ |
thedo | 167:1657b442184c | 77 | void attach(Callback<void()> func, float t) { |
thedo | 167:1657b442184c | 78 | attach_us(func, t * 1000000.0f); |
thedo | 167:1657b442184c | 79 | } |
thedo | 167:1657b442184c | 80 | |
thedo | 167:1657b442184c | 81 | /** Attach a member function to be called by the Ticker, specifiying the interval in seconds |
thedo | 167:1657b442184c | 82 | * |
thedo | 167:1657b442184c | 83 | * @param obj pointer to the object to call the member function on |
thedo | 167:1657b442184c | 84 | * @param method pointer to the member function to be called |
thedo | 167:1657b442184c | 85 | * @param t the time between calls in seconds |
thedo | 167:1657b442184c | 86 | * @deprecated |
thedo | 167:1657b442184c | 87 | * The attach function does not support cv-qualifiers. Replaced by |
thedo | 167:1657b442184c | 88 | * attach(callback(obj, method), t). |
thedo | 167:1657b442184c | 89 | */ |
thedo | 167:1657b442184c | 90 | template<typename T, typename M> |
thedo | 167:1657b442184c | 91 | MBED_DEPRECATED_SINCE("mbed-os-5.1", |
thedo | 167:1657b442184c | 92 | "The attach function does not support cv-qualifiers. Replaced by " |
thedo | 167:1657b442184c | 93 | "attach(callback(obj, method), t).") |
thedo | 167:1657b442184c | 94 | void attach(T *obj, M method, float t) { |
thedo | 167:1657b442184c | 95 | attach(callback(obj, method), t); |
thedo | 167:1657b442184c | 96 | } |
thedo | 167:1657b442184c | 97 | |
thedo | 167:1657b442184c | 98 | /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds |
thedo | 167:1657b442184c | 99 | * |
thedo | 167:1657b442184c | 100 | * @param func pointer to the function to be called |
thedo | 167:1657b442184c | 101 | * @param t the time between calls in micro-seconds |
thedo | 167:1657b442184c | 102 | */ |
thedo | 167:1657b442184c | 103 | void attach_us(Callback<void()> func, us_timestamp_t t) { |
thedo | 167:1657b442184c | 104 | _function = func; |
thedo | 167:1657b442184c | 105 | setup(t); |
thedo | 167:1657b442184c | 106 | } |
thedo | 167:1657b442184c | 107 | |
thedo | 167:1657b442184c | 108 | /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds |
thedo | 167:1657b442184c | 109 | * |
thedo | 167:1657b442184c | 110 | * @param obj pointer to the object to call the member function on |
thedo | 167:1657b442184c | 111 | * @param method pointer to the member function to be called |
thedo | 167:1657b442184c | 112 | * @param t the time between calls in micro-seconds |
thedo | 167:1657b442184c | 113 | * @deprecated |
thedo | 167:1657b442184c | 114 | * The attach_us function does not support cv-qualifiers. Replaced by |
thedo | 167:1657b442184c | 115 | * attach_us(callback(obj, method), t). |
thedo | 167:1657b442184c | 116 | */ |
thedo | 167:1657b442184c | 117 | template<typename T, typename M> |
thedo | 167:1657b442184c | 118 | MBED_DEPRECATED_SINCE("mbed-os-5.1", |
thedo | 167:1657b442184c | 119 | "The attach_us function does not support cv-qualifiers. Replaced by " |
thedo | 167:1657b442184c | 120 | "attach_us(callback(obj, method), t).") |
thedo | 167:1657b442184c | 121 | void attach_us(T *obj, M method, us_timestamp_t t) { |
thedo | 167:1657b442184c | 122 | attach_us(Callback<void()>(obj, method), t); |
thedo | 167:1657b442184c | 123 | } |
thedo | 167:1657b442184c | 124 | |
thedo | 167:1657b442184c | 125 | virtual ~Ticker() { |
thedo | 167:1657b442184c | 126 | detach(); |
thedo | 167:1657b442184c | 127 | } |
thedo | 167:1657b442184c | 128 | |
thedo | 167:1657b442184c | 129 | /** Detach the function |
thedo | 167:1657b442184c | 130 | */ |
thedo | 167:1657b442184c | 131 | void detach(); |
thedo | 167:1657b442184c | 132 | |
thedo | 167:1657b442184c | 133 | protected: |
thedo | 167:1657b442184c | 134 | void setup(us_timestamp_t t); |
thedo | 167:1657b442184c | 135 | virtual void handler(); |
thedo | 167:1657b442184c | 136 | |
thedo | 167:1657b442184c | 137 | protected: |
thedo | 167:1657b442184c | 138 | us_timestamp_t _delay; /**< Time delay (in microseconds) for re-setting the multi-shot callback. */ |
thedo | 167:1657b442184c | 139 | Callback<void()> _function; /**< Callback. */ |
thedo | 167:1657b442184c | 140 | }; |
thedo | 167:1657b442184c | 141 | |
thedo | 167:1657b442184c | 142 | } // namespace mbed |
thedo | 167:1657b442184c | 143 | |
thedo | 167:1657b442184c | 144 | #endif |
thedo | 167:1657b442184c | 145 |