Revised to disable BLE for radio communication as needed.

Dependencies:   BLE_API nRF51822 mbed-dev-bin

Dependents:   microbit

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 MICROBIT_LED_SERVICE_H
Jonathan Austin 1:8aa5cdb4ab67 27 #define MICROBIT_LED_SERVICE_H
Jonathan Austin 1:8aa5cdb4ab67 28
Jonathan Austin 1:8aa5cdb4ab67 29 #include "MicroBitConfig.h"
Jonathan Austin 1:8aa5cdb4ab67 30 #include "ble/BLE.h"
Jonathan Austin 1:8aa5cdb4ab67 31 #include "MicroBitDisplay.h"
Jonathan Austin 1:8aa5cdb4ab67 32
Jonathan Austin 1:8aa5cdb4ab67 33 // Defines the buffer size for scrolling text over BLE, hence also defines
Jonathan Austin 1:8aa5cdb4ab67 34 // the maximum string length that can be scrolled via the BLE service.
Jonathan Austin 1:8aa5cdb4ab67 35 #define MICROBIT_BLE_MAXIMUM_SCROLLTEXT 20
Jonathan Austin 1:8aa5cdb4ab67 36
Jonathan Austin 1:8aa5cdb4ab67 37 // UUIDs for our service and characteristics
Jonathan Austin 1:8aa5cdb4ab67 38 extern const uint8_t MicroBitLEDServiceUUID[];
Jonathan Austin 1:8aa5cdb4ab67 39 extern const uint8_t MicroBitLEDServiceMatrixUUID[];
Jonathan Austin 1:8aa5cdb4ab67 40 extern const uint8_t MicroBitLEDServiceTextUUID[];
Jonathan Austin 1:8aa5cdb4ab67 41 extern const uint8_t MicroBitLEDServiceScrollingSpeedUUID[];
Jonathan Austin 1:8aa5cdb4ab67 42
Jonathan Austin 1:8aa5cdb4ab67 43
Jonathan Austin 1:8aa5cdb4ab67 44 /**
Jonathan Austin 1:8aa5cdb4ab67 45 * Class definition for the custom MicroBit LED Service.
Jonathan Austin 1:8aa5cdb4ab67 46 * Provides a BLE service to remotely read and write the state of the LED display.
Jonathan Austin 1:8aa5cdb4ab67 47 */
Jonathan Austin 1:8aa5cdb4ab67 48 class MicroBitLEDService
Jonathan Austin 1:8aa5cdb4ab67 49 {
Jonathan Austin 1:8aa5cdb4ab67 50 public:
Jonathan Austin 1:8aa5cdb4ab67 51
Jonathan Austin 1:8aa5cdb4ab67 52 /**
Jonathan Austin 1:8aa5cdb4ab67 53 * Constructor.
Jonathan Austin 1:8aa5cdb4ab67 54 * Create a representation of the LEDService
Jonathan Austin 1:8aa5cdb4ab67 55 * @param _ble The instance of a BLE device that we're running on.
Jonathan Austin 1:8aa5cdb4ab67 56 * @param _display An instance of MicroBitDisplay to interface with.
Jonathan Austin 1:8aa5cdb4ab67 57 */
Jonathan Austin 1:8aa5cdb4ab67 58 MicroBitLEDService(BLEDevice &_ble, MicroBitDisplay &_display);
Jonathan Austin 1:8aa5cdb4ab67 59
Jonathan Austin 1:8aa5cdb4ab67 60 /**
Jonathan Austin 1:8aa5cdb4ab67 61 * Callback. Invoked when any of our attributes are written via BLE.
Jonathan Austin 1:8aa5cdb4ab67 62 */
Jonathan Austin 1:8aa5cdb4ab67 63 void onDataWritten(const GattWriteCallbackParams *params);
Jonathan Austin 1:8aa5cdb4ab67 64
Jonathan Austin 1:8aa5cdb4ab67 65 /**
Jonathan Austin 1:8aa5cdb4ab67 66 * Callback. Invoked when any of our attributes are read via BLE.
Jonathan Austin 1:8aa5cdb4ab67 67 */
Jonathan Austin 1:8aa5cdb4ab67 68 void onDataRead(GattReadAuthCallbackParams *params);
Jonathan Austin 1:8aa5cdb4ab67 69
Jonathan Austin 1:8aa5cdb4ab67 70 private:
Jonathan Austin 1:8aa5cdb4ab67 71
Jonathan Austin 1:8aa5cdb4ab67 72 // Bluetooth stack we're running on.
Jonathan Austin 1:8aa5cdb4ab67 73 BLEDevice &ble;
Jonathan Austin 1:8aa5cdb4ab67 74 MicroBitDisplay &display;
Jonathan Austin 1:8aa5cdb4ab67 75
Jonathan Austin 1:8aa5cdb4ab67 76 // memory for our 8 bit control characteristics.
Jonathan Austin 1:8aa5cdb4ab67 77 uint8_t matrixCharacteristicBuffer[5];
Jonathan Austin 1:8aa5cdb4ab67 78 uint16_t scrollingSpeedCharacteristicBuffer;
Jonathan Austin 1:8aa5cdb4ab67 79 uint8_t textCharacteristicBuffer[MICROBIT_BLE_MAXIMUM_SCROLLTEXT];
Jonathan Austin 1:8aa5cdb4ab67 80
Jonathan Austin 1:8aa5cdb4ab67 81 // Handles to access each characteristic when they are held by Soft Device.
Jonathan Austin 1:8aa5cdb4ab67 82 GattAttribute::Handle_t matrixCharacteristicHandle;
Jonathan Austin 1:8aa5cdb4ab67 83 GattAttribute::Handle_t textCharacteristicHandle;
Jonathan Austin 1:8aa5cdb4ab67 84 GattAttribute::Handle_t scrollingSpeedCharacteristicHandle;
Jonathan Austin 1:8aa5cdb4ab67 85
Jonathan Austin 1:8aa5cdb4ab67 86 // We hold a copy of the GattCharacteristic, as mbed's BLE API requires this to provide read callbacks (pity!).
Jonathan Austin 1:8aa5cdb4ab67 87 GattCharacteristic matrixCharacteristic;
Jonathan Austin 1:8aa5cdb4ab67 88 };
Jonathan Austin 1:8aa5cdb4ab67 89
Jonathan Austin 1:8aa5cdb4ab67 90
Jonathan Austin 1:8aa5cdb4ab67 91 #endif