Tami Farber / microbit-dal

Revised to disable BLE for radio communication as needed.

Dependencies:   BLE_API nRF51822 mbed-dev-bin

Dependents:   microbit

source/core/MicroBitListener.cpp@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 /**
Jonathan Austin 1:8aa5cdb4ab67 27 * This structure defines a MicroBitListener used to invoke functions, or member
Jonathan Austin 1:8aa5cdb4ab67 28 * functions if an instance of EventModel receives an event whose id and value
Jonathan Austin 1:8aa5cdb4ab67 29 * match this MicroBitListener's id and value.
Jonathan Austin 1:8aa5cdb4ab67 30 */
Jonathan Austin 1:8aa5cdb4ab67 31 #include "MicroBitConfig.h"
Jonathan Austin 1:8aa5cdb4ab67 32 #include "MicroBitListener.h"
Jonathan Austin 1:8aa5cdb4ab67 33
Jonathan Austin 1:8aa5cdb4ab67 34 /**
Jonathan Austin 1:8aa5cdb4ab67 35 * Constructor.
Jonathan Austin 1:8aa5cdb4ab67 36 *
Jonathan Austin 1:8aa5cdb4ab67 37 * Create a new Message Bus Listener.
Jonathan Austin 1:8aa5cdb4ab67 38 *
Jonathan Austin 1:8aa5cdb4ab67 39 * @param id The ID of the component you want to listen to.
Jonathan Austin 1:8aa5cdb4ab67 40 *
Jonathan Austin 1:8aa5cdb4ab67 41 * @param value The event value you would like to listen to from that component
Jonathan Austin 1:8aa5cdb4ab67 42 *
Jonathan Austin 1:8aa5cdb4ab67 43 * @param handler A function pointer to call when the event is detected.
Jonathan Austin 1:8aa5cdb4ab67 44 *
Jonathan Austin 1:8aa5cdb4ab67 45 * @param flags User specified, implementation specific flags, that allow behaviour of this events listener
Jonathan Austin 1:8aa5cdb4ab67 46 * to be tuned.
Jonathan Austin 1:8aa5cdb4ab67 47 */
Jonathan Austin 1:8aa5cdb4ab67 48 MicroBitListener::MicroBitListener(uint16_t id, uint16_t value, void (*handler)(MicroBitEvent), uint16_t flags)
Jonathan Austin 1:8aa5cdb4ab67 49 {
Jonathan Austin 1:8aa5cdb4ab67 50 this->id = id;
Jonathan Austin 1:8aa5cdb4ab67 51 this->value = value;
Jonathan Austin 1:8aa5cdb4ab67 52 this->cb = handler;
Jonathan Austin 1:8aa5cdb4ab67 53 this->cb_arg = NULL;
Jonathan Austin 1:8aa5cdb4ab67 54 this->flags = flags;
Jonathan Austin 1:8aa5cdb4ab67 55 this->next = NULL;
Jonathan Austin 1:8aa5cdb4ab67 56 this->evt_queue = NULL;
Jonathan Austin 1:8aa5cdb4ab67 57 }
Jonathan Austin 1:8aa5cdb4ab67 58
Jonathan Austin 1:8aa5cdb4ab67 59 /**
Jonathan Austin 1:8aa5cdb4ab67 60 * Constructor.
Jonathan Austin 1:8aa5cdb4ab67 61 *
Jonathan Austin 1:8aa5cdb4ab67 62 * Create a new Message Bus Listener, this constructor accepts an additional
Jonathan Austin 1:8aa5cdb4ab67 63 * parameter "arg", which is passed to the handler.
Jonathan Austin 1:8aa5cdb4ab67 64 *
Jonathan Austin 1:8aa5cdb4ab67 65 * @param id The ID of the component you want to listen to.
Jonathan Austin 1:8aa5cdb4ab67 66 *
Jonathan Austin 1:8aa5cdb4ab67 67 * @param value The event value you would like to listen to from that component
Jonathan Austin 1:8aa5cdb4ab67 68 *
Jonathan Austin 1:8aa5cdb4ab67 69 * @param handler A function pointer to call when the event is detected.
Jonathan Austin 1:8aa5cdb4ab67 70 *
Jonathan Austin 1:8aa5cdb4ab67 71 * @param arg A pointer to some data that will be given to the handler.
Jonathan Austin 1:8aa5cdb4ab67 72 *
Jonathan Austin 1:8aa5cdb4ab67 73 * @param flags User specified, implementation specific flags, that allow behaviour of this events listener
Jonathan Austin 1:8aa5cdb4ab67 74 * to be tuned.
Jonathan Austin 1:8aa5cdb4ab67 75 */
Jonathan Austin 1:8aa5cdb4ab67 76 MicroBitListener::MicroBitListener(uint16_t id, uint16_t value, void (*handler)(MicroBitEvent, void *), void* arg, uint16_t flags)
Jonathan Austin 1:8aa5cdb4ab67 77 {
Jonathan Austin 1:8aa5cdb4ab67 78 this->id = id;
Jonathan Austin 1:8aa5cdb4ab67 79 this->value = value;
Jonathan Austin 1:8aa5cdb4ab67 80 this->cb_param = handler;
Jonathan Austin 1:8aa5cdb4ab67 81 this->cb_arg = arg;
Jonathan Austin 1:8aa5cdb4ab67 82 this->flags = flags | MESSAGE_BUS_LISTENER_PARAMETERISED;
Jonathan Austin 1:8aa5cdb4ab67 83 this->next = NULL;
Jonathan Austin 1:8aa5cdb4ab67 84 this->evt_queue = NULL;
Jonathan Austin 1:8aa5cdb4ab67 85 }
Jonathan Austin 1:8aa5cdb4ab67 86
Jonathan Austin 1:8aa5cdb4ab67 87 /**
Jonathan Austin 1:8aa5cdb4ab67 88 * Destructor. Ensures all resources used by this listener are freed.
Jonathan Austin 1:8aa5cdb4ab67 89 */
Jonathan Austin 1:8aa5cdb4ab67 90 MicroBitListener::~MicroBitListener()
Jonathan Austin 1:8aa5cdb4ab67 91 {
Jonathan Austin 1:8aa5cdb4ab67 92 if(this->flags & MESSAGE_BUS_LISTENER_METHOD)
Jonathan Austin 1:8aa5cdb4ab67 93 delete cb_method;
Jonathan Austin 1:8aa5cdb4ab67 94 }
Jonathan Austin 1:8aa5cdb4ab67 95
Jonathan Austin 1:8aa5cdb4ab67 96 /**
Jonathan Austin 1:8aa5cdb4ab67 97 * Queues and event up to be processed.
Jonathan Austin 1:8aa5cdb4ab67 98 *
Jonathan Austin 1:8aa5cdb4ab67 99 * @param e The event to queue
Jonathan Austin 1:8aa5cdb4ab67 100 */
Jonathan Austin 1:8aa5cdb4ab67 101 void MicroBitListener::queue(MicroBitEvent e)
Jonathan Austin 1:8aa5cdb4ab67 102 {
Jonathan Austin 1:8aa5cdb4ab67 103 int queueDepth;
Jonathan Austin 1:8aa5cdb4ab67 104
Jonathan Austin 1:8aa5cdb4ab67 105 MicroBitEventQueueItem *p = evt_queue;
Jonathan Austin 1:8aa5cdb4ab67 106
Jonathan Austin 1:8aa5cdb4ab67 107 if (evt_queue == NULL)
Jonathan Austin 1:8aa5cdb4ab67 108 evt_queue = new MicroBitEventQueueItem(e);
Jonathan Austin 1:8aa5cdb4ab67 109 else
Jonathan Austin 1:8aa5cdb4ab67 110 {
Jonathan Austin 1:8aa5cdb4ab67 111 queueDepth = 1;
Jonathan Austin 1:8aa5cdb4ab67 112
Jonathan Austin 1:8aa5cdb4ab67 113 while (p->next != NULL)
Jonathan Austin 1:8aa5cdb4ab67 114 {
Jonathan Austin 1:8aa5cdb4ab67 115 p = p->next;
Jonathan Austin 1:8aa5cdb4ab67 116 queueDepth++;
Jonathan Austin 1:8aa5cdb4ab67 117 }
Jonathan Austin 1:8aa5cdb4ab67 118
Jonathan Austin 1:8aa5cdb4ab67 119 if (queueDepth < MESSAGE_BUS_LISTENER_MAX_QUEUE_DEPTH)
Jonathan Austin 1:8aa5cdb4ab67 120 p->next = new MicroBitEventQueueItem(e);
Jonathan Austin 1:8aa5cdb4ab67 121 }
Jonathan Austin 1:8aa5cdb4ab67 122 }