Knight KE / Mbed OS Game_Master

游戏王对战板，目前code还是空的

mbed-os/drivers/Timer.h@0:9b3d4731edbb, 2018-06-21 (annotated)

Committer:
WFKnight
Date:
Thu Jun 21 13:51:43 2018 +0000
Revision:
0:9b3d4731edbb
UART, RTOS, LED

Who changed what in which revision?

UserRevisionLine numberNew contents of line
WFKnight 0:9b3d4731edbb 1 /* mbed Microcontroller Library
WFKnight 0:9b3d4731edbb 2 * Copyright (c) 2006-2013 ARM Limited
WFKnight 0:9b3d4731edbb 3 *
WFKnight 0:9b3d4731edbb 4 * Licensed under the Apache License, Version 2.0 (the "License");
WFKnight 0:9b3d4731edbb 5 * you may not use this file except in compliance with the License.
WFKnight 0:9b3d4731edbb 6 * You may obtain a copy of the License at
WFKnight 0:9b3d4731edbb 7 *
WFKnight 0:9b3d4731edbb 8 * http://www.apache.org/licenses/LICENSE-2.0
WFKnight 0:9b3d4731edbb 9 *
WFKnight 0:9b3d4731edbb 10 * Unless required by applicable law or agreed to in writing, software
WFKnight 0:9b3d4731edbb 11 * distributed under the License is distributed on an "AS IS" BASIS,
WFKnight 0:9b3d4731edbb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
WFKnight 0:9b3d4731edbb 13 * See the License for the specific language governing permissions and
WFKnight 0:9b3d4731edbb 14 * limitations under the License.
WFKnight 0:9b3d4731edbb 15 */
WFKnight 0:9b3d4731edbb 16 #ifndef MBED_TIMER_H
WFKnight 0:9b3d4731edbb 17 #define MBED_TIMER_H
WFKnight 0:9b3d4731edbb 18
WFKnight 0:9b3d4731edbb 19 #include "platform/platform.h"
WFKnight 0:9b3d4731edbb 20 #include "hal/ticker_api.h"
WFKnight 0:9b3d4731edbb 21 #include "platform/NonCopyable.h"
WFKnight 0:9b3d4731edbb 22 #include "platform/mbed_power_mgmt.h"
WFKnight 0:9b3d4731edbb 23
WFKnight 0:9b3d4731edbb 24 namespace mbed {
WFKnight 0:9b3d4731edbb 25 /** \addtogroup drivers */
WFKnight 0:9b3d4731edbb 26
WFKnight 0:9b3d4731edbb 27 /** A general purpose timer
WFKnight 0:9b3d4731edbb 28 *
WFKnight 0:9b3d4731edbb 29 * @note Synchronization level: Interrupt safe
WFKnight 0:9b3d4731edbb 30 *
WFKnight 0:9b3d4731edbb 31 * Example:
WFKnight 0:9b3d4731edbb 32 * @code
WFKnight 0:9b3d4731edbb 33 * // Count the time to toggle a LED
WFKnight 0:9b3d4731edbb 34 *
WFKnight 0:9b3d4731edbb 35 * #include "mbed.h"
WFKnight 0:9b3d4731edbb 36 *
WFKnight 0:9b3d4731edbb 37 * Timer timer;
WFKnight 0:9b3d4731edbb 38 * DigitalOut led(LED1);
WFKnight 0:9b3d4731edbb 39 * int begin, end;
WFKnight 0:9b3d4731edbb 40 *
WFKnight 0:9b3d4731edbb 41 * int main() {
WFKnight 0:9b3d4731edbb 42 * timer.start();
WFKnight 0:9b3d4731edbb 43 * begin = timer.read_us();
WFKnight 0:9b3d4731edbb 44 * led = !led;
WFKnight 0:9b3d4731edbb 45 * end = timer.read_us();
WFKnight 0:9b3d4731edbb 46 * printf("Toggle the led takes %d us", end - begin);
WFKnight 0:9b3d4731edbb 47 * }
WFKnight 0:9b3d4731edbb 48 * @endcode
WFKnight 0:9b3d4731edbb 49 * @ingroup drivers
WFKnight 0:9b3d4731edbb 50 */
WFKnight 0:9b3d4731edbb 51 class Timer : private NonCopyable<Timer> {
WFKnight 0:9b3d4731edbb 52
WFKnight 0:9b3d4731edbb 53 public:
WFKnight 0:9b3d4731edbb 54 Timer();
WFKnight 0:9b3d4731edbb 55 Timer(const ticker_data_t *data);
WFKnight 0:9b3d4731edbb 56 ~Timer();
WFKnight 0:9b3d4731edbb 57
WFKnight 0:9b3d4731edbb 58 /** Start the timer
WFKnight 0:9b3d4731edbb 59 */
WFKnight 0:9b3d4731edbb 60 void start();
WFKnight 0:9b3d4731edbb 61
WFKnight 0:9b3d4731edbb 62 /** Stop the timer
WFKnight 0:9b3d4731edbb 63 */
WFKnight 0:9b3d4731edbb 64 void stop();
WFKnight 0:9b3d4731edbb 65
WFKnight 0:9b3d4731edbb 66 /** Reset the timer to 0.
WFKnight 0:9b3d4731edbb 67 *
WFKnight 0:9b3d4731edbb 68 * If it was already counting, it will continue
WFKnight 0:9b3d4731edbb 69 */
WFKnight 0:9b3d4731edbb 70 void reset();
WFKnight 0:9b3d4731edbb 71
WFKnight 0:9b3d4731edbb 72 /** Get the time passed in seconds
WFKnight 0:9b3d4731edbb 73 *
WFKnight 0:9b3d4731edbb 74 * @returns Time passed in seconds
WFKnight 0:9b3d4731edbb 75 */
WFKnight 0:9b3d4731edbb 76 float read();
WFKnight 0:9b3d4731edbb 77
WFKnight 0:9b3d4731edbb 78 /** Get the time passed in milli-seconds
WFKnight 0:9b3d4731edbb 79 *
WFKnight 0:9b3d4731edbb 80 * @returns Time passed in milli seconds
WFKnight 0:9b3d4731edbb 81 */
WFKnight 0:9b3d4731edbb 82 int read_ms();
WFKnight 0:9b3d4731edbb 83
WFKnight 0:9b3d4731edbb 84 /** Get the time passed in micro-seconds
WFKnight 0:9b3d4731edbb 85 *
WFKnight 0:9b3d4731edbb 86 * @returns Time passed in micro seconds
WFKnight 0:9b3d4731edbb 87 */
WFKnight 0:9b3d4731edbb 88 int read_us();
WFKnight 0:9b3d4731edbb 89
WFKnight 0:9b3d4731edbb 90 /** An operator shorthand for read()
WFKnight 0:9b3d4731edbb 91 */
WFKnight 0:9b3d4731edbb 92 operator float();
WFKnight 0:9b3d4731edbb 93
WFKnight 0:9b3d4731edbb 94 /** Get in a high resolution type the time passed in micro-seconds.
WFKnight 0:9b3d4731edbb 95 */
WFKnight 0:9b3d4731edbb 96 us_timestamp_t read_high_resolution_us();
WFKnight 0:9b3d4731edbb 97
WFKnight 0:9b3d4731edbb 98 protected:
WFKnight 0:9b3d4731edbb 99 us_timestamp_t slicetime();
WFKnight 0:9b3d4731edbb 100 int _running; // whether the timer is running
WFKnight 0:9b3d4731edbb 101 us_timestamp_t _start; // the start time of the latest slice
WFKnight 0:9b3d4731edbb 102 us_timestamp_t _time; // any accumulated time from previous slices
WFKnight 0:9b3d4731edbb 103 const ticker_data_t *_ticker_data;
WFKnight 0:9b3d4731edbb 104 bool _lock_deepsleep; // flag which indicates if deep-sleep should be disabled
WFKnight 0:9b3d4731edbb 105 };
WFKnight 0:9b3d4731edbb 106
WFKnight 0:9b3d4731edbb 107 } // namespace mbed
WFKnight 0:9b3d4731edbb 108
WFKnight 0:9b3d4731edbb 109 #endif