Yihui Xiong / nrf51822_fix_i2c_spi_conflict

fix nrf51822 i2c & spi conflict

Dependencies:   BLE_API eMPL_MPU6050 nRF51822

Fork of Seeed_Tiny_BLE_Flash by Darren Huang

mbed-src/api/Ticker.h@5:b8c02645e6af, 2015-11-17 (annotated)

Committer:
yihui
Date:
Tue Nov 17 07:48:56 2015 +0000
Revision:
5:b8c02645e6af
fix i2c & spi conflict

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 5:b8c02645e6af 1 /* mbed Microcontroller Library
yihui 5:b8c02645e6af 2 * Copyright (c) 2006-2013 ARM Limited
yihui 5:b8c02645e6af 3 *
yihui 5:b8c02645e6af 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 5:b8c02645e6af 5 * you may not use this file except in compliance with the License.
yihui 5:b8c02645e6af 6 * You may obtain a copy of the License at
yihui 5:b8c02645e6af 7 *
yihui 5:b8c02645e6af 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 5:b8c02645e6af 9 *
yihui 5:b8c02645e6af 10 * Unless required by applicable law or agreed to in writing, software
yihui 5:b8c02645e6af 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 5:b8c02645e6af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 5:b8c02645e6af 13 * See the License for the specific language governing permissions and
yihui 5:b8c02645e6af 14 * limitations under the License.
yihui 5:b8c02645e6af 15 */
yihui 5:b8c02645e6af 16 #ifndef MBED_TICKER_H
yihui 5:b8c02645e6af 17 #define MBED_TICKER_H
yihui 5:b8c02645e6af 18
yihui 5:b8c02645e6af 19 #include "TimerEvent.h"
yihui 5:b8c02645e6af 20 #include "FunctionPointer.h"
yihui 5:b8c02645e6af 21
yihui 5:b8c02645e6af 22 namespace mbed {
yihui 5:b8c02645e6af 23
yihui 5:b8c02645e6af 24 /** A Ticker is used to call a function at a recurring interval
yihui 5:b8c02645e6af 25 *
yihui 5:b8c02645e6af 26 * You can use as many seperate Ticker objects as you require.
yihui 5:b8c02645e6af 27 *
yihui 5:b8c02645e6af 28 * Example:
yihui 5:b8c02645e6af 29 * @code
yihui 5:b8c02645e6af 30 * // Toggle the blinking led after 5 seconds
yihui 5:b8c02645e6af 31 *
yihui 5:b8c02645e6af 32 * #include "mbed.h"
yihui 5:b8c02645e6af 33 *
yihui 5:b8c02645e6af 34 * Ticker timer;
yihui 5:b8c02645e6af 35 * DigitalOut led1(LED1);
yihui 5:b8c02645e6af 36 * DigitalOut led2(LED2);
yihui 5:b8c02645e6af 37 *
yihui 5:b8c02645e6af 38 * int flip = 0;
yihui 5:b8c02645e6af 39 *
yihui 5:b8c02645e6af 40 * void attime() {
yihui 5:b8c02645e6af 41 * flip = !flip;
yihui 5:b8c02645e6af 42 * }
yihui 5:b8c02645e6af 43 *
yihui 5:b8c02645e6af 44 * int main() {
yihui 5:b8c02645e6af 45 * timer.attach(&attime, 5);
yihui 5:b8c02645e6af 46 * while(1) {
yihui 5:b8c02645e6af 47 * if(flip == 0) {
yihui 5:b8c02645e6af 48 * led1 = !led1;
yihui 5:b8c02645e6af 49 * } else {
yihui 5:b8c02645e6af 50 * led2 = !led2;
yihui 5:b8c02645e6af 51 * }
yihui 5:b8c02645e6af 52 * wait(0.2);
yihui 5:b8c02645e6af 53 * }
yihui 5:b8c02645e6af 54 * }
yihui 5:b8c02645e6af 55 * @endcode
yihui 5:b8c02645e6af 56 */
yihui 5:b8c02645e6af 57 class Ticker : public TimerEvent {
yihui 5:b8c02645e6af 58
yihui 5:b8c02645e6af 59 public:
yihui 5:b8c02645e6af 60 Ticker() : TimerEvent() {
yihui 5:b8c02645e6af 61 }
yihui 5:b8c02645e6af 62
yihui 5:b8c02645e6af 63 Ticker(const ticker_data_t *data) : TimerEvent(data) {
yihui 5:b8c02645e6af 64 }
yihui 5:b8c02645e6af 65
yihui 5:b8c02645e6af 66 /** Attach a function to be called by the Ticker, specifiying the interval in seconds
yihui 5:b8c02645e6af 67 *
yihui 5:b8c02645e6af 68 * @param fptr pointer to the function to be called
yihui 5:b8c02645e6af 69 * @param t the time between calls in seconds
yihui 5:b8c02645e6af 70 */
yihui 5:b8c02645e6af 71 void attach(void (*fptr)(void), float t) {
yihui 5:b8c02645e6af 72 attach_us(fptr, t * 1000000.0f);
yihui 5:b8c02645e6af 73 }
yihui 5:b8c02645e6af 74
yihui 5:b8c02645e6af 75 /** Attach a member function to be called by the Ticker, specifiying the interval in seconds
yihui 5:b8c02645e6af 76 *
yihui 5:b8c02645e6af 77 * @param tptr pointer to the object to call the member function on
yihui 5:b8c02645e6af 78 * @param mptr pointer to the member function to be called
yihui 5:b8c02645e6af 79 * @param t the time between calls in seconds
yihui 5:b8c02645e6af 80 */
yihui 5:b8c02645e6af 81 template<typename T>
yihui 5:b8c02645e6af 82 void attach(T* tptr, void (T::*mptr)(void), float t) {
yihui 5:b8c02645e6af 83 attach_us(tptr, mptr, t * 1000000.0f);
yihui 5:b8c02645e6af 84 }
yihui 5:b8c02645e6af 85
yihui 5:b8c02645e6af 86 /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds
yihui 5:b8c02645e6af 87 *
yihui 5:b8c02645e6af 88 * @param fptr pointer to the function to be called
yihui 5:b8c02645e6af 89 * @param t the time between calls in micro-seconds
yihui 5:b8c02645e6af 90 */
yihui 5:b8c02645e6af 91 void attach_us(void (*fptr)(void), timestamp_t t) {
yihui 5:b8c02645e6af 92 _function.attach(fptr);
yihui 5:b8c02645e6af 93 setup(t);
yihui 5:b8c02645e6af 94 }
yihui 5:b8c02645e6af 95
yihui 5:b8c02645e6af 96 /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds
yihui 5:b8c02645e6af 97 *
yihui 5:b8c02645e6af 98 * @param tptr pointer to the object to call the member function on
yihui 5:b8c02645e6af 99 * @param mptr pointer to the member function to be called
yihui 5:b8c02645e6af 100 * @param t the time between calls in micro-seconds
yihui 5:b8c02645e6af 101 */
yihui 5:b8c02645e6af 102 template<typename T>
yihui 5:b8c02645e6af 103 void attach_us(T* tptr, void (T::*mptr)(void), timestamp_t t) {
yihui 5:b8c02645e6af 104 _function.attach(tptr, mptr);
yihui 5:b8c02645e6af 105 setup(t);
yihui 5:b8c02645e6af 106 }
yihui 5:b8c02645e6af 107
yihui 5:b8c02645e6af 108 virtual ~Ticker() {
yihui 5:b8c02645e6af 109 detach();
yihui 5:b8c02645e6af 110 }
yihui 5:b8c02645e6af 111
yihui 5:b8c02645e6af 112 /** Detach the function
yihui 5:b8c02645e6af 113 */
yihui 5:b8c02645e6af 114 void detach();
yihui 5:b8c02645e6af 115
yihui 5:b8c02645e6af 116 protected:
yihui 5:b8c02645e6af 117 void setup(timestamp_t t);
yihui 5:b8c02645e6af 118 virtual void handler();
yihui 5:b8c02645e6af 119
yihui 5:b8c02645e6af 120 protected:
yihui 5:b8c02645e6af 121 timestamp_t _delay; /**< Time delay (in microseconds) for re-setting the multi-shot callback. */
yihui 5:b8c02645e6af 122 FunctionPointer _function; /**< Callback. */
yihui 5:b8c02645e6af 123 };
yihui 5:b8c02645e6af 124
yihui 5:b8c02645e6af 125 } // namespace mbed
yihui 5:b8c02645e6af 126
yihui 5:b8c02645e6af 127 #endif