wanjun chen / Mbed 2 deprecated Nucleo_BLE_Demo

IOTIO

Dependencies:   Nucleo_BLE_API_IOTIO Nucleo_BLE_BlueNRG Nucleo_BLE_DemoApp Nucleo_Sensor_Shield mbed

Dependents:   Nucleo_BLE_Demo_IOTIO

Fork of Nucleo_BLE_Demo by Cortex Challenge Team

mbed/Timer.h@1:4bdfa7d7e8bf, 2016-10-29 (annotated)

Committer:
16038618
Date:
Sat Oct 29 15:11:28 2016 +0000
Revision:
1:4bdfa7d7e8bf
IOTIO

Who changed what in which revision?

UserRevisionLine numberNew contents of line
16038618 1:4bdfa7d7e8bf 1 /* mbed Microcontroller Library
16038618 1:4bdfa7d7e8bf 2 * Copyright (c) 2006-2013 ARM Limited
16038618 1:4bdfa7d7e8bf 3 *
16038618 1:4bdfa7d7e8bf 4 * Licensed under the Apache License, Version 2.0 (the "License");
16038618 1:4bdfa7d7e8bf 5 * you may not use this file except in compliance with the License.
16038618 1:4bdfa7d7e8bf 6 * You may obtain a copy of the License at
16038618 1:4bdfa7d7e8bf 7 *
16038618 1:4bdfa7d7e8bf 8 * http://www.apache.org/licenses/LICENSE-2.0
16038618 1:4bdfa7d7e8bf 9 *
16038618 1:4bdfa7d7e8bf 10 * Unless required by applicable law or agreed to in writing, software
16038618 1:4bdfa7d7e8bf 11 * distributed under the License is distributed on an "AS IS" BASIS,
16038618 1:4bdfa7d7e8bf 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16038618 1:4bdfa7d7e8bf 13 * See the License for the specific language governing permissions and
16038618 1:4bdfa7d7e8bf 14 * limitations under the License.
16038618 1:4bdfa7d7e8bf 15 */
16038618 1:4bdfa7d7e8bf 16 #ifndef MBED_TIMER_H
16038618 1:4bdfa7d7e8bf 17 #define MBED_TIMER_H
16038618 1:4bdfa7d7e8bf 18
16038618 1:4bdfa7d7e8bf 19 #include "platform.h"
16038618 1:4bdfa7d7e8bf 20 #include "ticker_api.h"
16038618 1:4bdfa7d7e8bf 21
16038618 1:4bdfa7d7e8bf 22 namespace mbed {
16038618 1:4bdfa7d7e8bf 23
16038618 1:4bdfa7d7e8bf 24 /** A general purpose timer
16038618 1:4bdfa7d7e8bf 25 *
16038618 1:4bdfa7d7e8bf 26 * Example:
16038618 1:4bdfa7d7e8bf 27 * @code
16038618 1:4bdfa7d7e8bf 28 * // Count the time to toggle a LED
16038618 1:4bdfa7d7e8bf 29 *
16038618 1:4bdfa7d7e8bf 30 * #include "mbed.h"
16038618 1:4bdfa7d7e8bf 31 *
16038618 1:4bdfa7d7e8bf 32 * Timer timer;
16038618 1:4bdfa7d7e8bf 33 * DigitalOut led(LED1);
16038618 1:4bdfa7d7e8bf 34 * int begin, end;
16038618 1:4bdfa7d7e8bf 35 *
16038618 1:4bdfa7d7e8bf 36 * int main() {
16038618 1:4bdfa7d7e8bf 37 * timer.start();
16038618 1:4bdfa7d7e8bf 38 * begin = timer.read_us();
16038618 1:4bdfa7d7e8bf 39 * led = !led;
16038618 1:4bdfa7d7e8bf 40 * end = timer.read_us();
16038618 1:4bdfa7d7e8bf 41 * printf("Toggle the led takes %d us", end - begin);
16038618 1:4bdfa7d7e8bf 42 * }
16038618 1:4bdfa7d7e8bf 43 * @endcode
16038618 1:4bdfa7d7e8bf 44 */
16038618 1:4bdfa7d7e8bf 45 class Timer {
16038618 1:4bdfa7d7e8bf 46
16038618 1:4bdfa7d7e8bf 47 public:
16038618 1:4bdfa7d7e8bf 48 Timer();
16038618 1:4bdfa7d7e8bf 49 Timer(const ticker_data_t *data);
16038618 1:4bdfa7d7e8bf 50
16038618 1:4bdfa7d7e8bf 51 /** Start the timer
16038618 1:4bdfa7d7e8bf 52 */
16038618 1:4bdfa7d7e8bf 53 void start();
16038618 1:4bdfa7d7e8bf 54
16038618 1:4bdfa7d7e8bf 55 /** Stop the timer
16038618 1:4bdfa7d7e8bf 56 */
16038618 1:4bdfa7d7e8bf 57 void stop();
16038618 1:4bdfa7d7e8bf 58
16038618 1:4bdfa7d7e8bf 59 /** Reset the timer to 0.
16038618 1:4bdfa7d7e8bf 60 *
16038618 1:4bdfa7d7e8bf 61 * If it was already counting, it will continue
16038618 1:4bdfa7d7e8bf 62 */
16038618 1:4bdfa7d7e8bf 63 void reset();
16038618 1:4bdfa7d7e8bf 64
16038618 1:4bdfa7d7e8bf 65 /** Get the time passed in seconds
16038618 1:4bdfa7d7e8bf 66 */
16038618 1:4bdfa7d7e8bf 67 float read();
16038618 1:4bdfa7d7e8bf 68
16038618 1:4bdfa7d7e8bf 69 /** Get the time passed in mili-seconds
16038618 1:4bdfa7d7e8bf 70 */
16038618 1:4bdfa7d7e8bf 71 int read_ms();
16038618 1:4bdfa7d7e8bf 72
16038618 1:4bdfa7d7e8bf 73 /** Get the time passed in micro-seconds
16038618 1:4bdfa7d7e8bf 74 */
16038618 1:4bdfa7d7e8bf 75 int read_us();
16038618 1:4bdfa7d7e8bf 76
16038618 1:4bdfa7d7e8bf 77 #ifdef MBED_OPERATORS
16038618 1:4bdfa7d7e8bf 78 operator float();
16038618 1:4bdfa7d7e8bf 79 #endif
16038618 1:4bdfa7d7e8bf 80
16038618 1:4bdfa7d7e8bf 81 protected:
16038618 1:4bdfa7d7e8bf 82 int slicetime();
16038618 1:4bdfa7d7e8bf 83 int _running; // whether the timer is running
16038618 1:4bdfa7d7e8bf 84 unsigned int _start; // the start time of the latest slice
16038618 1:4bdfa7d7e8bf 85 int _time; // any accumulated time from previous slices
16038618 1:4bdfa7d7e8bf 86 const ticker_data_t *_ticker_data;
16038618 1:4bdfa7d7e8bf 87 };
16038618 1:4bdfa7d7e8bf 88
16038618 1:4bdfa7d7e8bf 89 } // namespace mbed
16038618 1:4bdfa7d7e8bf 90
16038618 1:4bdfa7d7e8bf 91 #endif