Rahul Dahiya / Mbed OS STM32F7 Ethernet

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mbed-os/platform/FunctionPointer.h@0:fb8047b156bb, 2020-01-15 (annotated)

Committer:
rahul_dahiya
Date:
Wed Jan 15 15:57:15 2020 +0530
Revision:
0:fb8047b156bb
STM32F7 LWIP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rahul_dahiya 0:fb8047b156bb 1 /* mbed Microcontroller Library
rahul_dahiya 0:fb8047b156bb 2 * Copyright (c) 2006-2015 ARM Limited
rahul_dahiya 0:fb8047b156bb 3 *
rahul_dahiya 0:fb8047b156bb 4 * Licensed under the Apache License, Version 2.0 (the "License");
rahul_dahiya 0:fb8047b156bb 5 * you may not use this file except in compliance with the License.
rahul_dahiya 0:fb8047b156bb 6 * You may obtain a copy of the License at
rahul_dahiya 0:fb8047b156bb 7 *
rahul_dahiya 0:fb8047b156bb 8 * http://www.apache.org/licenses/LICENSE-2.0
rahul_dahiya 0:fb8047b156bb 9 *
rahul_dahiya 0:fb8047b156bb 10 * Unless required by applicable law or agreed to in writing, software
rahul_dahiya 0:fb8047b156bb 11 * distributed under the License is distributed on an "AS IS" BASIS,
rahul_dahiya 0:fb8047b156bb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rahul_dahiya 0:fb8047b156bb 13 * See the License for the specific language governing permissions and
rahul_dahiya 0:fb8047b156bb 14 * limitations under the License.
rahul_dahiya 0:fb8047b156bb 15 */
rahul_dahiya 0:fb8047b156bb 16 #ifndef MBED_FUNCTIONPOINTER_H
rahul_dahiya 0:fb8047b156bb 17 #define MBED_FUNCTIONPOINTER_H
rahul_dahiya 0:fb8047b156bb 18
rahul_dahiya 0:fb8047b156bb 19 #include "platform/Callback.h"
rahul_dahiya 0:fb8047b156bb 20 #include "platform/mbed_toolchain.h"
rahul_dahiya 0:fb8047b156bb 21 #include <string.h>
rahul_dahiya 0:fb8047b156bb 22 #include <stdint.h>
rahul_dahiya 0:fb8047b156bb 23
rahul_dahiya 0:fb8047b156bb 24 namespace mbed {
rahul_dahiya 0:fb8047b156bb 25 /** \addtogroup platform */
rahul_dahiya 0:fb8047b156bb 26 /** @{*/
rahul_dahiya 0:fb8047b156bb 27 /**
rahul_dahiya 0:fb8047b156bb 28 * \defgroup platform_FunctionPointer FunctionPointer class
rahul_dahiya 0:fb8047b156bb 29 * @{
rahul_dahiya 0:fb8047b156bb 30 */
rahul_dahiya 0:fb8047b156bb 31
rahul_dahiya 0:fb8047b156bb 32 // Declarations for backwards compatibility
rahul_dahiya 0:fb8047b156bb 33 // To be foward compatible, code should adopt the Callback class
rahul_dahiya 0:fb8047b156bb 34 template <typename R, typename A1>
rahul_dahiya 0:fb8047b156bb 35 class FunctionPointerArg1 : public Callback<R(A1)> {
rahul_dahiya 0:fb8047b156bb 36 public:
rahul_dahiya 0:fb8047b156bb 37 MBED_DEPRECATED_SINCE("mbed-os-5.1",
rahul_dahiya 0:fb8047b156bb 38 "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
rahul_dahiya 0:fb8047b156bb 39 FunctionPointerArg1(R (*function)(A1) = 0)
rahul_dahiya 0:fb8047b156bb 40 : Callback<R(A1)>(function) {}
rahul_dahiya 0:fb8047b156bb 41
rahul_dahiya 0:fb8047b156bb 42 template<typename T>
rahul_dahiya 0:fb8047b156bb 43 MBED_DEPRECATED_SINCE("mbed-os-5.1",
rahul_dahiya 0:fb8047b156bb 44 "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
rahul_dahiya 0:fb8047b156bb 45 FunctionPointerArg1(T *object, R (T::*member)(A1))
rahul_dahiya 0:fb8047b156bb 46 : Callback<R(A1)>(object, member) {}
rahul_dahiya 0:fb8047b156bb 47
rahul_dahiya 0:fb8047b156bb 48 R (*get_function())(A1) {
rahul_dahiya 0:fb8047b156bb 49 return *reinterpret_cast<R (**)(A1)>(this);
rahul_dahiya 0:fb8047b156bb 50 }
rahul_dahiya 0:fb8047b156bb 51
rahul_dahiya 0:fb8047b156bb 52 R call(A1 a1) const {
rahul_dahiya 0:fb8047b156bb 53 if (!Callback<R(A1)>::operator bool()) {
rahul_dahiya 0:fb8047b156bb 54 return (R)0;
rahul_dahiya 0:fb8047b156bb 55 }
rahul_dahiya 0:fb8047b156bb 56
rahul_dahiya 0:fb8047b156bb 57 return Callback<R(A1)>::call(a1);
rahul_dahiya 0:fb8047b156bb 58 }
rahul_dahiya 0:fb8047b156bb 59
rahul_dahiya 0:fb8047b156bb 60 R operator()(A1 a1) const {
rahul_dahiya 0:fb8047b156bb 61 return Callback<R(A1)>::call(a1);
rahul_dahiya 0:fb8047b156bb 62 }
rahul_dahiya 0:fb8047b156bb 63 };
rahul_dahiya 0:fb8047b156bb 64
rahul_dahiya 0:fb8047b156bb 65 template <typename R>
rahul_dahiya 0:fb8047b156bb 66 class FunctionPointerArg1<R, void> : public Callback<R()> {
rahul_dahiya 0:fb8047b156bb 67 public:
rahul_dahiya 0:fb8047b156bb 68 MBED_DEPRECATED_SINCE("mbed-os-5.1",
rahul_dahiya 0:fb8047b156bb 69 "FunctionPointer has been replaced by Callback<void()>")
rahul_dahiya 0:fb8047b156bb 70 FunctionPointerArg1(R (*function)() = 0)
rahul_dahiya 0:fb8047b156bb 71 : Callback<R()>(function) {}
rahul_dahiya 0:fb8047b156bb 72
rahul_dahiya 0:fb8047b156bb 73 template<typename T>
rahul_dahiya 0:fb8047b156bb 74 MBED_DEPRECATED_SINCE("mbed-os-5.1",
rahul_dahiya 0:fb8047b156bb 75 "FunctionPointer has been replaced by Callback<void()>")
rahul_dahiya 0:fb8047b156bb 76 FunctionPointerArg1(T *object, R (T::*member)())
rahul_dahiya 0:fb8047b156bb 77 : Callback<R()>(object, member) {}
rahul_dahiya 0:fb8047b156bb 78
rahul_dahiya 0:fb8047b156bb 79 R (*get_function())() {
rahul_dahiya 0:fb8047b156bb 80 return *reinterpret_cast<R (**)()>(this);
rahul_dahiya 0:fb8047b156bb 81 }
rahul_dahiya 0:fb8047b156bb 82
rahul_dahiya 0:fb8047b156bb 83 R call() const {
rahul_dahiya 0:fb8047b156bb 84 if (!Callback<R()>::operator bool()) {
rahul_dahiya 0:fb8047b156bb 85 return (R)0;
rahul_dahiya 0:fb8047b156bb 86 }
rahul_dahiya 0:fb8047b156bb 87
rahul_dahiya 0:fb8047b156bb 88 return Callback<R()>::call();
rahul_dahiya 0:fb8047b156bb 89 }
rahul_dahiya 0:fb8047b156bb 90
rahul_dahiya 0:fb8047b156bb 91 R operator()() const {
rahul_dahiya 0:fb8047b156bb 92 return Callback<R()>::call();
rahul_dahiya 0:fb8047b156bb 93 }
rahul_dahiya 0:fb8047b156bb 94 };
rahul_dahiya 0:fb8047b156bb 95
rahul_dahiya 0:fb8047b156bb 96 typedef FunctionPointerArg1<void, void> FunctionPointer;
rahul_dahiya 0:fb8047b156bb 97
rahul_dahiya 0:fb8047b156bb 98 /**@}*/
rahul_dahiya 0:fb8047b156bb 99
rahul_dahiya 0:fb8047b156bb 100 /**@}*/
rahul_dahiya 0:fb8047b156bb 101
rahul_dahiya 0:fb8047b156bb 102
rahul_dahiya 0:fb8047b156bb 103 } // namespace mbed
rahul_dahiya 0:fb8047b156bb 104
rahul_dahiya 0:fb8047b156bb 105 #endif