joey shelton / LED_Demo2

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Dependencies:   MAX44000 PWM_Tone_Library nexpaq_mdk

Fork of LED_Demo by joey shelton

mbd_os/hal/api/FunctionPointer.h@1:55a6170b404f, 2016-09-17 (annotated)

Committer:
nexpaq
Date:
Sat Sep 17 16:32:05 2016 +0000
Revision:
1:55a6170b404f
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Who changed what in which revision?

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nexpaq 1:55a6170b404f 1 /* mbed Microcontroller Library
nexpaq 1:55a6170b404f 2 * Copyright (c) 2006-2015 ARM Limited
nexpaq 1:55a6170b404f 3 *
nexpaq 1:55a6170b404f 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 1:55a6170b404f 5 * you may not use this file except in compliance with the License.
nexpaq 1:55a6170b404f 6 * You may obtain a copy of the License at
nexpaq 1:55a6170b404f 7 *
nexpaq 1:55a6170b404f 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 1:55a6170b404f 9 *
nexpaq 1:55a6170b404f 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 1:55a6170b404f 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 1:55a6170b404f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 1:55a6170b404f 13 * See the License for the specific language governing permissions and
nexpaq 1:55a6170b404f 14 * limitations under the License.
nexpaq 1:55a6170b404f 15 */
nexpaq 1:55a6170b404f 16 #ifndef MBED_FUNCTIONPOINTER_H
nexpaq 1:55a6170b404f 17 #define MBED_FUNCTIONPOINTER_H
nexpaq 1:55a6170b404f 18
nexpaq 1:55a6170b404f 19 #include "Callback.h"
nexpaq 1:55a6170b404f 20 #include "toolchain.h"
nexpaq 1:55a6170b404f 21 #include <string.h>
nexpaq 1:55a6170b404f 22 #include <stdint.h>
nexpaq 1:55a6170b404f 23
nexpaq 1:55a6170b404f 24 namespace mbed {
nexpaq 1:55a6170b404f 25
nexpaq 1:55a6170b404f 26
nexpaq 1:55a6170b404f 27 // Declarations for backwards compatibility
nexpaq 1:55a6170b404f 28 // To be foward compatible, code should adopt the Callback class
nexpaq 1:55a6170b404f 29 template <typename R, typename A1>
nexpaq 1:55a6170b404f 30 class FunctionPointerArg1 : public Callback<R(A1)> {
nexpaq 1:55a6170b404f 31 public:
nexpaq 1:55a6170b404f 32 MBED_DEPRECATED_SINCE("mbed-os-5.1",
nexpaq 1:55a6170b404f 33 "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
nexpaq 1:55a6170b404f 34 FunctionPointerArg1(R (*function)(A1) = 0)
nexpaq 1:55a6170b404f 35 : Callback<R(A1)>(function) {}
nexpaq 1:55a6170b404f 36
nexpaq 1:55a6170b404f 37 template<typename T>
nexpaq 1:55a6170b404f 38 MBED_DEPRECATED_SINCE("mbed-os-5.1",
nexpaq 1:55a6170b404f 39 "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
nexpaq 1:55a6170b404f 40 FunctionPointerArg1(T *object, R (T::*member)(A1))
nexpaq 1:55a6170b404f 41 : Callback<R(A1)>(object, member) {}
nexpaq 1:55a6170b404f 42
nexpaq 1:55a6170b404f 43 R (*get_function())(A1) {
nexpaq 1:55a6170b404f 44 return *reinterpret_cast<R (**)(A1)>(this);
nexpaq 1:55a6170b404f 45 }
nexpaq 1:55a6170b404f 46
nexpaq 1:55a6170b404f 47 R call(A1 a1) const {
nexpaq 1:55a6170b404f 48 if (!Callback<R(A1)>::operator bool()) {
nexpaq 1:55a6170b404f 49 return (R)0;
nexpaq 1:55a6170b404f 50 }
nexpaq 1:55a6170b404f 51
nexpaq 1:55a6170b404f 52 return Callback<R(A1)>::call(a1);
nexpaq 1:55a6170b404f 53 }
nexpaq 1:55a6170b404f 54
nexpaq 1:55a6170b404f 55 R operator()(A1 a1) const {
nexpaq 1:55a6170b404f 56 return Callback<R(A1)>::call(a1);
nexpaq 1:55a6170b404f 57 }
nexpaq 1:55a6170b404f 58 };
nexpaq 1:55a6170b404f 59
nexpaq 1:55a6170b404f 60 template <typename R>
nexpaq 1:55a6170b404f 61 class FunctionPointerArg1<R, void> : public Callback<R()> {
nexpaq 1:55a6170b404f 62 public:
nexpaq 1:55a6170b404f 63 MBED_DEPRECATED_SINCE("mbed-os-5.1",
nexpaq 1:55a6170b404f 64 "FunctionPointer has been replaced by Callback<void()>")
nexpaq 1:55a6170b404f 65 FunctionPointerArg1(R (*function)() = 0)
nexpaq 1:55a6170b404f 66 : Callback<R()>(function) {}
nexpaq 1:55a6170b404f 67
nexpaq 1:55a6170b404f 68 template<typename T>
nexpaq 1:55a6170b404f 69 MBED_DEPRECATED_SINCE("mbed-os-5.1",
nexpaq 1:55a6170b404f 70 "FunctionPointer has been replaced by Callback<void()>")
nexpaq 1:55a6170b404f 71 FunctionPointerArg1(T *object, R (T::*member)())
nexpaq 1:55a6170b404f 72 : Callback<R()>(object, member) {}
nexpaq 1:55a6170b404f 73
nexpaq 1:55a6170b404f 74 R (*get_function())() {
nexpaq 1:55a6170b404f 75 return *reinterpret_cast<R (**)()>(this);
nexpaq 1:55a6170b404f 76 }
nexpaq 1:55a6170b404f 77
nexpaq 1:55a6170b404f 78 R call() const {
nexpaq 1:55a6170b404f 79 if (!Callback<R()>::operator bool()) {
nexpaq 1:55a6170b404f 80 return (R)0;
nexpaq 1:55a6170b404f 81 }
nexpaq 1:55a6170b404f 82
nexpaq 1:55a6170b404f 83 return Callback<R()>::call();
nexpaq 1:55a6170b404f 84 }
nexpaq 1:55a6170b404f 85
nexpaq 1:55a6170b404f 86 R operator()() const {
nexpaq 1:55a6170b404f 87 return Callback<R()>::call();
nexpaq 1:55a6170b404f 88 }
nexpaq 1:55a6170b404f 89 };
nexpaq 1:55a6170b404f 90
nexpaq 1:55a6170b404f 91 typedef FunctionPointerArg1<void, void> FunctionPointer;
nexpaq 1:55a6170b404f 92
nexpaq 1:55a6170b404f 93
nexpaq 1:55a6170b404f 94 } // namespace mbed
nexpaq 1:55a6170b404f 95
nexpaq 1:55a6170b404f 96 #endif