Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/platform/FunctionPointer.h@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

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marcozecchini 0:9fca2b23d0ba 1 /* mbed Microcontroller Library
marcozecchini 0:9fca2b23d0ba 2 * Copyright (c) 2006-2015 ARM Limited
marcozecchini 0:9fca2b23d0ba 3 *
marcozecchini 0:9fca2b23d0ba 4 * Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 5 * you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 6 * You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 7 *
marcozecchini 0:9fca2b23d0ba 8 * http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 9 *
marcozecchini 0:9fca2b23d0ba 10 * Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 11 * distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 13 * See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 14 * limitations under the License.
marcozecchini 0:9fca2b23d0ba 15 */
marcozecchini 0:9fca2b23d0ba 16 #ifndef MBED_FUNCTIONPOINTER_H
marcozecchini 0:9fca2b23d0ba 17 #define MBED_FUNCTIONPOINTER_H
marcozecchini 0:9fca2b23d0ba 18
marcozecchini 0:9fca2b23d0ba 19 #include "platform/Callback.h"
marcozecchini 0:9fca2b23d0ba 20 #include "platform/mbed_toolchain.h"
marcozecchini 0:9fca2b23d0ba 21 #include <string.h>
marcozecchini 0:9fca2b23d0ba 22 #include <stdint.h>
marcozecchini 0:9fca2b23d0ba 23
marcozecchini 0:9fca2b23d0ba 24 namespace mbed {
marcozecchini 0:9fca2b23d0ba 25 /** \addtogroup platform */
marcozecchini 0:9fca2b23d0ba 26 /** @{*/
marcozecchini 0:9fca2b23d0ba 27 /**
marcozecchini 0:9fca2b23d0ba 28 * \defgroup platform_FunctionPointer FunctionPointer class
marcozecchini 0:9fca2b23d0ba 29 * @{
marcozecchini 0:9fca2b23d0ba 30 */
marcozecchini 0:9fca2b23d0ba 31
marcozecchini 0:9fca2b23d0ba 32 // Declarations for backwards compatibility
marcozecchini 0:9fca2b23d0ba 33 // To be foward compatible, code should adopt the Callback class
marcozecchini 0:9fca2b23d0ba 34 template <typename R, typename A1>
marcozecchini 0:9fca2b23d0ba 35 class FunctionPointerArg1 : public Callback<R(A1)> {
marcozecchini 0:9fca2b23d0ba 36 public:
marcozecchini 0:9fca2b23d0ba 37 MBED_DEPRECATED_SINCE("mbed-os-5.1",
marcozecchini 0:9fca2b23d0ba 38 "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
marcozecchini 0:9fca2b23d0ba 39 FunctionPointerArg1(R (*function)(A1) = 0)
marcozecchini 0:9fca2b23d0ba 40 : Callback<R(A1)>(function) {}
marcozecchini 0:9fca2b23d0ba 41
marcozecchini 0:9fca2b23d0ba 42 template<typename T>
marcozecchini 0:9fca2b23d0ba 43 MBED_DEPRECATED_SINCE("mbed-os-5.1",
marcozecchini 0:9fca2b23d0ba 44 "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
marcozecchini 0:9fca2b23d0ba 45 FunctionPointerArg1(T *object, R (T::*member)(A1))
marcozecchini 0:9fca2b23d0ba 46 : Callback<R(A1)>(object, member) {}
marcozecchini 0:9fca2b23d0ba 47
marcozecchini 0:9fca2b23d0ba 48 R (*get_function())(A1) {
marcozecchini 0:9fca2b23d0ba 49 return *reinterpret_cast<R (**)(A1)>(this);
marcozecchini 0:9fca2b23d0ba 50 }
marcozecchini 0:9fca2b23d0ba 51
marcozecchini 0:9fca2b23d0ba 52 R call(A1 a1) const {
marcozecchini 0:9fca2b23d0ba 53 if (!Callback<R(A1)>::operator bool()) {
marcozecchini 0:9fca2b23d0ba 54 return (R)0;
marcozecchini 0:9fca2b23d0ba 55 }
marcozecchini 0:9fca2b23d0ba 56
marcozecchini 0:9fca2b23d0ba 57 return Callback<R(A1)>::call(a1);
marcozecchini 0:9fca2b23d0ba 58 }
marcozecchini 0:9fca2b23d0ba 59
marcozecchini 0:9fca2b23d0ba 60 R operator()(A1 a1) const {
marcozecchini 0:9fca2b23d0ba 61 return Callback<R(A1)>::call(a1);
marcozecchini 0:9fca2b23d0ba 62 }
marcozecchini 0:9fca2b23d0ba 63 };
marcozecchini 0:9fca2b23d0ba 64
marcozecchini 0:9fca2b23d0ba 65 template <typename R>
marcozecchini 0:9fca2b23d0ba 66 class FunctionPointerArg1<R, void> : public Callback<R()> {
marcozecchini 0:9fca2b23d0ba 67 public:
marcozecchini 0:9fca2b23d0ba 68 MBED_DEPRECATED_SINCE("mbed-os-5.1",
marcozecchini 0:9fca2b23d0ba 69 "FunctionPointer has been replaced by Callback<void()>")
marcozecchini 0:9fca2b23d0ba 70 FunctionPointerArg1(R (*function)() = 0)
marcozecchini 0:9fca2b23d0ba 71 : Callback<R()>(function) {}
marcozecchini 0:9fca2b23d0ba 72
marcozecchini 0:9fca2b23d0ba 73 template<typename T>
marcozecchini 0:9fca2b23d0ba 74 MBED_DEPRECATED_SINCE("mbed-os-5.1",
marcozecchini 0:9fca2b23d0ba 75 "FunctionPointer has been replaced by Callback<void()>")
marcozecchini 0:9fca2b23d0ba 76 FunctionPointerArg1(T *object, R (T::*member)())
marcozecchini 0:9fca2b23d0ba 77 : Callback<R()>(object, member) {}
marcozecchini 0:9fca2b23d0ba 78
marcozecchini 0:9fca2b23d0ba 79 R (*get_function())() {
marcozecchini 0:9fca2b23d0ba 80 return *reinterpret_cast<R (**)()>(this);
marcozecchini 0:9fca2b23d0ba 81 }
marcozecchini 0:9fca2b23d0ba 82
marcozecchini 0:9fca2b23d0ba 83 R call() const {
marcozecchini 0:9fca2b23d0ba 84 if (!Callback<R()>::operator bool()) {
marcozecchini 0:9fca2b23d0ba 85 return (R)0;
marcozecchini 0:9fca2b23d0ba 86 }
marcozecchini 0:9fca2b23d0ba 87
marcozecchini 0:9fca2b23d0ba 88 return Callback<R()>::call();
marcozecchini 0:9fca2b23d0ba 89 }
marcozecchini 0:9fca2b23d0ba 90
marcozecchini 0:9fca2b23d0ba 91 R operator()() const {
marcozecchini 0:9fca2b23d0ba 92 return Callback<R()>::call();
marcozecchini 0:9fca2b23d0ba 93 }
marcozecchini 0:9fca2b23d0ba 94 };
marcozecchini 0:9fca2b23d0ba 95
marcozecchini 0:9fca2b23d0ba 96 typedef FunctionPointerArg1<void, void> FunctionPointer;
marcozecchini 0:9fca2b23d0ba 97
marcozecchini 0:9fca2b23d0ba 98 /**@}*/
marcozecchini 0:9fca2b23d0ba 99
marcozecchini 0:9fca2b23d0ba 100 /**@}*/
marcozecchini 0:9fca2b23d0ba 101
marcozecchini 0:9fca2b23d0ba 102
marcozecchini 0:9fca2b23d0ba 103 } // namespace mbed
marcozecchini 0:9fca2b23d0ba 104
marcozecchini 0:9fca2b23d0ba 105 #endif