Martin Cottrell / microbit-dal

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Dependencies:   BLE_API mbed-dev-bin nRF51822

Dependents:   microbit

Fork of microbit-dal by Lancaster University

inc/bluetooth/MicroBitDFUService.h@75:ae9a17da71af, 2017-01-13 (annotated)

Committer:
Asimov
Date:
Fri Jan 13 21:14:06 2017 +0000
Revision:
75:ae9a17da71af
Parent:
1:8aa5cdb4ab67 
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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_DFU_SERVICE_H
Jonathan Austin 1:8aa5cdb4ab67 27 #define MICROBIT_DFU_SERVICE_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 "ble/BLE.h"
Jonathan Austin 1:8aa5cdb4ab67 32 #include "MicroBitEvent.h"
Jonathan Austin 1:8aa5cdb4ab67 33
Jonathan Austin 1:8aa5cdb4ab67 34 // MicroBit ControlPoint OpCodes
Jonathan Austin 1:8aa5cdb4ab67 35 // Requests transfer to the Nordic DFU bootloader.
Jonathan Austin 1:8aa5cdb4ab67 36 #define MICROBIT_DFU_OPCODE_START_DFU 1
Jonathan Austin 1:8aa5cdb4ab67 37
Jonathan Austin 1:8aa5cdb4ab67 38 // visual ID code constants
Jonathan Austin 1:8aa5cdb4ab67 39 #define MICROBIT_DFU_HISTOGRAM_WIDTH 5
Jonathan Austin 1:8aa5cdb4ab67 40 #define MICROBIT_DFU_HISTOGRAM_HEIGHT 5
Jonathan Austin 1:8aa5cdb4ab67 41
Jonathan Austin 1:8aa5cdb4ab67 42 // UUIDs for our service and characteristics
Jonathan Austin 1:8aa5cdb4ab67 43 extern const uint8_t MicroBitDFUServiceUUID[];
Jonathan Austin 1:8aa5cdb4ab67 44 extern const uint8_t MicroBitDFUServiceControlCharacteristicUUID[];
Jonathan Austin 1:8aa5cdb4ab67 45 extern const uint8_t MicroBitDFUServiceFlashCodeCharacteristicUUID[];
Jonathan Austin 1:8aa5cdb4ab67 46
Jonathan Austin 1:8aa5cdb4ab67 47 // Handle on the memory resident Nordic bootloader.
Jonathan Austin 1:8aa5cdb4ab67 48 extern "C" void bootloader_start(void);
Jonathan Austin 1:8aa5cdb4ab67 49
Jonathan Austin 1:8aa5cdb4ab67 50 /**
Jonathan Austin 1:8aa5cdb4ab67 51 * Class definition for a MicroBit Device Firmware Update loader.
Jonathan Austin 1:8aa5cdb4ab67 52 * This service allows hexes to be flashed remotely from another Bluetooth
Jonathan Austin 1:8aa5cdb4ab67 53 * device.
Jonathan Austin 1:8aa5cdb4ab67 54 */
Jonathan Austin 1:8aa5cdb4ab67 55 class MicroBitDFUService
Jonathan Austin 1:8aa5cdb4ab67 56 {
Jonathan Austin 1:8aa5cdb4ab67 57 public:
Jonathan Austin 1:8aa5cdb4ab67 58
Jonathan Austin 1:8aa5cdb4ab67 59 /**
Jonathan Austin 1:8aa5cdb4ab67 60 * Constructor.
Jonathan Austin 1:8aa5cdb4ab67 61 * Initialise the Device Firmware Update service.
Jonathan Austin 1:8aa5cdb4ab67 62 * @param _ble The instance of a BLE device that we're running on.
Jonathan Austin 1:8aa5cdb4ab67 63 */
Jonathan Austin 1:8aa5cdb4ab67 64 MicroBitDFUService(BLEDevice &_ble);
Jonathan Austin 1:8aa5cdb4ab67 65
Jonathan Austin 1:8aa5cdb4ab67 66 /**
Jonathan Austin 1:8aa5cdb4ab67 67 * Callback. Invoked when any of our attributes are written via BLE.
Jonathan Austin 1:8aa5cdb4ab67 68 */
Jonathan Austin 1:8aa5cdb4ab67 69 virtual void onDataWritten(const GattWriteCallbackParams *params);
Jonathan Austin 1:8aa5cdb4ab67 70
Jonathan Austin 1:8aa5cdb4ab67 71 private:
Jonathan Austin 1:8aa5cdb4ab67 72
Jonathan Austin 1:8aa5cdb4ab67 73 // State of paiting process.
Jonathan Austin 1:8aa5cdb4ab67 74 bool authenticated;
Jonathan Austin 1:8aa5cdb4ab67 75 bool flashCodeRequested;
Jonathan Austin 1:8aa5cdb4ab67 76
Jonathan Austin 1:8aa5cdb4ab67 77 // Bluetooth stack we're running on.
Jonathan Austin 1:8aa5cdb4ab67 78 BLEDevice &ble;
Jonathan Austin 1:8aa5cdb4ab67 79
Jonathan Austin 1:8aa5cdb4ab67 80 // memory for our 8 bit control characteristic.
Jonathan Austin 1:8aa5cdb4ab67 81 uint8_t controlByte;
Jonathan Austin 1:8aa5cdb4ab67 82
Jonathan Austin 1:8aa5cdb4ab67 83 // BLE pairing name of this device, encoded as an integer.
Jonathan Austin 1:8aa5cdb4ab67 84 uint32_t flashCode;
Jonathan Austin 1:8aa5cdb4ab67 85
Jonathan Austin 1:8aa5cdb4ab67 86 GattAttribute::Handle_t microBitDFUServiceControlCharacteristicHandle;
Jonathan Austin 1:8aa5cdb4ab67 87 GattAttribute::Handle_t microBitDFUServiceFlashCodeCharacteristicHandle;
Jonathan Austin 1:8aa5cdb4ab67 88
Jonathan Austin 1:8aa5cdb4ab67 89 // Displays the device's ID code as a histogram on the LED matrix display.
Jonathan Austin 1:8aa5cdb4ab67 90 void showNameHistogram();
Jonathan Austin 1:8aa5cdb4ab67 91
Jonathan Austin 1:8aa5cdb4ab67 92 // Displays an acknowledgement on the LED matrix display.
Jonathan Austin 1:8aa5cdb4ab67 93 void showTick();
Jonathan Austin 1:8aa5cdb4ab67 94
Jonathan Austin 1:8aa5cdb4ab67 95 // Update BLE characteristic to release our flash code.
Jonathan Austin 1:8aa5cdb4ab67 96 void releaseFlashCode();
Jonathan Austin 1:8aa5cdb4ab67 97
Jonathan Austin 1:8aa5cdb4ab67 98 // Event handlers for button clicks.
Jonathan Austin 1:8aa5cdb4ab67 99 void onButtonA(MicroBitEvent e);
Jonathan Austin 1:8aa5cdb4ab67 100 void onButtonB(MicroBitEvent e);
Jonathan Austin 1:8aa5cdb4ab67 101 };
Jonathan Austin 1:8aa5cdb4ab67 102
Jonathan Austin 1:8aa5cdb4ab67 103 #endif