Tami Farber / microbit-dal

Revised to disable BLE for radio communication as needed.

Dependencies:   BLE_API nRF51822 mbed-dev-bin

Dependents:   microbit

inc/core/MemberFunctionCallback.h@74:26717338739d, 2019-11-26 (annotated)

Committer:
tsfarber
Date:
Tue Nov 26 04:12:46 2019 +0000
Revision:
74:26717338739d
Parent:
1:8aa5cdb4ab67 
This program combines samples programs radio TX and radio RX so that both units can send or receive depending on which unit's buttons are pressed. Tested successfully. MicroBitConfig.h has been edited to disable BLE.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jonathan Austin 1:8aa5cdb4ab67 1 /*
Jonathan Austin 1:8aa5cdb4ab67 2 The MIT License (MIT)
Jonathan Austin 1:8aa5cdb4ab67 3
Jonathan Austin 1:8aa5cdb4ab67 4 Copyright (c) 2016 British Broadcasting Corporation.
Jonathan Austin 1:8aa5cdb4ab67 5 This software is provided by Lancaster University by arrangement with the BBC.
Jonathan Austin 1:8aa5cdb4ab67 6
Jonathan Austin 1:8aa5cdb4ab67 7 Permission is hereby granted, free of charge, to any person obtaining a
Jonathan Austin 1:8aa5cdb4ab67 8 copy of this software and associated documentation files (the "Software"),
Jonathan Austin 1:8aa5cdb4ab67 9 to deal in the Software without restriction, including without limitation
Jonathan Austin 1:8aa5cdb4ab67 10 the rights to use, copy, modify, merge, publish, distribute, sublicense,
Jonathan Austin 1:8aa5cdb4ab67 11 and/or sell copies of the Software, and to permit persons to whom the
Jonathan Austin 1:8aa5cdb4ab67 12 Software is furnished to do so, subject to the following conditions:
Jonathan Austin 1:8aa5cdb4ab67 13
Jonathan Austin 1:8aa5cdb4ab67 14 The above copyright notice and this permission notice shall be included in
Jonathan Austin 1:8aa5cdb4ab67 15 all copies or substantial portions of the Software.
Jonathan Austin 1:8aa5cdb4ab67 16
Jonathan Austin 1:8aa5cdb4ab67 17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Jonathan Austin 1:8aa5cdb4ab67 18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Jonathan Austin 1:8aa5cdb4ab67 19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
Jonathan Austin 1:8aa5cdb4ab67 20 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Jonathan Austin 1:8aa5cdb4ab67 21 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
Jonathan Austin 1:8aa5cdb4ab67 22 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
Jonathan Austin 1:8aa5cdb4ab67 23 DEALINGS IN THE SOFTWARE.
Jonathan Austin 1:8aa5cdb4ab67 24 */
Jonathan Austin 1:8aa5cdb4ab67 25
Jonathan Austin 1:8aa5cdb4ab67 26 #ifndef MEMBER_FUNCTION_CALLBACK_H
Jonathan Austin 1:8aa5cdb4ab67 27 #define MEMBER_FUNCTION_CALLBACK_H
Jonathan Austin 1:8aa5cdb4ab67 28
Jonathan Austin 1:8aa5cdb4ab67 29 #include "mbed.h"
Jonathan Austin 1:8aa5cdb4ab67 30 #include "MicroBitConfig.h"
Jonathan Austin 1:8aa5cdb4ab67 31 #include "MicroBitEvent.h"
Jonathan Austin 1:8aa5cdb4ab67 32 #include "MicroBitCompat.h"
Jonathan Austin 1:8aa5cdb4ab67 33
Jonathan Austin 1:8aa5cdb4ab67 34 /**
Jonathan Austin 1:8aa5cdb4ab67 35 * Class definition for a MemberFunctionCallback.
Jonathan Austin 1:8aa5cdb4ab67 36 *
Jonathan Austin 1:8aa5cdb4ab67 37 * C++ member functions (also known as methods) have a more complex
Jonathan Austin 1:8aa5cdb4ab67 38 * representation than normal C functions. This class allows a reference to
Jonathan Austin 1:8aa5cdb4ab67 39 * a C++ member function to be stored then called at a later date.
Jonathan Austin 1:8aa5cdb4ab67 40 *
Jonathan Austin 1:8aa5cdb4ab67 41 * This class is used extensively by the MicroBitMessageBus to deliver
Jonathan Austin 1:8aa5cdb4ab67 42 * events to C++ methods.
Jonathan Austin 1:8aa5cdb4ab67 43 */
Jonathan Austin 1:8aa5cdb4ab67 44 class MemberFunctionCallback
Jonathan Austin 1:8aa5cdb4ab67 45 {
Jonathan Austin 1:8aa5cdb4ab67 46 private:
Jonathan Austin 1:8aa5cdb4ab67 47 void* object;
Jonathan Austin 1:8aa5cdb4ab67 48 uint32_t method[4];
Jonathan Austin 1:8aa5cdb4ab67 49 void (*invoke)(void *object, uint32_t *method, MicroBitEvent e);
Jonathan Austin 1:8aa5cdb4ab67 50 template <typename T> static void methodCall(void* object, uint32_t*method, MicroBitEvent e);
Jonathan Austin 1:8aa5cdb4ab67 51
Jonathan Austin 1:8aa5cdb4ab67 52 public:
Jonathan Austin 1:8aa5cdb4ab67 53
Jonathan Austin 1:8aa5cdb4ab67 54 /**
Jonathan Austin 1:8aa5cdb4ab67 55 * Constructor. Creates a MemberFunctionCallback based on a pointer to given method.
Jonathan Austin 1:8aa5cdb4ab67 56 *
Jonathan Austin 1:8aa5cdb4ab67 57 * @param object The object the callback method should be invooked on.
Jonathan Austin 1:8aa5cdb4ab67 58 *
Jonathan Austin 1:8aa5cdb4ab67 59 * @param method The method to invoke.
Jonathan Austin 1:8aa5cdb4ab67 60 */
Jonathan Austin 1:8aa5cdb4ab67 61 template <typename T> MemberFunctionCallback(T* object, void (T::*method)(MicroBitEvent e));
Jonathan Austin 1:8aa5cdb4ab67 62
Jonathan Austin 1:8aa5cdb4ab67 63 /**
Jonathan Austin 1:8aa5cdb4ab67 64 * A comparison of two MemberFunctionCallback objects.
Jonathan Austin 1:8aa5cdb4ab67 65 *
Jonathan Austin 1:8aa5cdb4ab67 66 * @return true if the given MemberFunctionCallback is equivalent to this one, false otherwise.
Jonathan Austin 1:8aa5cdb4ab67 67 */
Jonathan Austin 1:8aa5cdb4ab67 68 bool operator==(const MemberFunctionCallback &mfc);
Jonathan Austin 1:8aa5cdb4ab67 69
Jonathan Austin 1:8aa5cdb4ab67 70 /**
Jonathan Austin 1:8aa5cdb4ab67 71 * Calls the method reference held by this MemberFunctionCallback.
Jonathan Austin 1:8aa5cdb4ab67 72 *
Jonathan Austin 1:8aa5cdb4ab67 73 * @param e The event to deliver to the method
Jonathan Austin 1:8aa5cdb4ab67 74 */
Jonathan Austin 1:8aa5cdb4ab67 75 void fire(MicroBitEvent e);
Jonathan Austin 1:8aa5cdb4ab67 76 };
Jonathan Austin 1:8aa5cdb4ab67 77
Jonathan Austin 1:8aa5cdb4ab67 78 /**
Jonathan Austin 1:8aa5cdb4ab67 79 * Constructor. Creates a MemberFunctionCallback based on a pointer to given method.
Jonathan Austin 1:8aa5cdb4ab67 80 *
Jonathan Austin 1:8aa5cdb4ab67 81 * @param object The object the callback method should be invooked on.
Jonathan Austin 1:8aa5cdb4ab67 82 *
Jonathan Austin 1:8aa5cdb4ab67 83 * @param method The method to invoke.
Jonathan Austin 1:8aa5cdb4ab67 84 */
Jonathan Austin 1:8aa5cdb4ab67 85 template <typename T>
Jonathan Austin 1:8aa5cdb4ab67 86 MemberFunctionCallback::MemberFunctionCallback(T* object, void (T::*method)(MicroBitEvent e))
Jonathan Austin 1:8aa5cdb4ab67 87 {
Jonathan Austin 1:8aa5cdb4ab67 88 this->object = object;
Jonathan Austin 1:8aa5cdb4ab67 89 memclr(this->method, sizeof(this->method));
Jonathan Austin 1:8aa5cdb4ab67 90 memcpy(this->method, &method, sizeof(method));
Jonathan Austin 1:8aa5cdb4ab67 91 invoke = &MemberFunctionCallback::methodCall<T>;
Jonathan Austin 1:8aa5cdb4ab67 92 }
Jonathan Austin 1:8aa5cdb4ab67 93
Jonathan Austin 1:8aa5cdb4ab67 94 /**
Jonathan Austin 1:8aa5cdb4ab67 95 * A template used to create a static method capable of invoking a C++ member function (method)
Jonathan Austin 1:8aa5cdb4ab67 96 * based on the given parameters.
Jonathan Austin 1:8aa5cdb4ab67 97 *
Jonathan Austin 1:8aa5cdb4ab67 98 * @param object The object the callback method should be invooked on.
Jonathan Austin 1:8aa5cdb4ab67 99 *
Jonathan Austin 1:8aa5cdb4ab67 100 * @param method The method to invoke.
Jonathan Austin 1:8aa5cdb4ab67 101 *
Jonathan Austin 1:8aa5cdb4ab67 102 * @param method The MicroBitEvent to supply to the given member function.
Jonathan Austin 1:8aa5cdb4ab67 103 */
Jonathan Austin 1:8aa5cdb4ab67 104 template <typename T>
Jonathan Austin 1:8aa5cdb4ab67 105 void MemberFunctionCallback::methodCall(void *object, uint32_t *method, MicroBitEvent e)
Jonathan Austin 1:8aa5cdb4ab67 106 {
Jonathan Austin 1:8aa5cdb4ab67 107 T* o = (T*)object;
Jonathan Austin 1:8aa5cdb4ab67 108 void (T::*m)(MicroBitEvent);
Jonathan Austin 1:8aa5cdb4ab67 109 memcpy(&m, method, sizeof(m));
Jonathan Austin 1:8aa5cdb4ab67 110
Jonathan Austin 1:8aa5cdb4ab67 111 (o->*m)(e);
Jonathan Austin 1:8aa5cdb4ab67 112 }
Jonathan Austin 1:8aa5cdb4ab67 113
Jonathan Austin 1:8aa5cdb4ab67 114 #endif