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Dependencies: BLE_API mbed-dev-bin nRF51822
Fork of microbit-dal by
MicroBitAccelerometerService.h
00001 /* 00002 The MIT License (MIT) 00003 00004 Copyright (c) 2016 British Broadcasting Corporation. 00005 This software is provided by Lancaster University by arrangement with the BBC. 00006 00007 Permission is hereby granted, free of charge, to any person obtaining a 00008 copy of this software and associated documentation files (the "Software"), 00009 to deal in the Software without restriction, including without limitation 00010 the rights to use, copy, modify, merge, publish, distribute, sublicense, 00011 and/or sell copies of the Software, and to permit persons to whom the 00012 Software is furnished to do so, subject to the following conditions: 00013 00014 The above copyright notice and this permission notice shall be included in 00015 all copies or substantial portions of the Software. 00016 00017 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00018 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00019 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 00020 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00021 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 00022 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 00023 DEALINGS IN THE SOFTWARE. 00024 */ 00025 00026 #ifndef MICROBIT_ACCELEROMETER_SERVICE_H 00027 #define MICROBIT_ACCELEROMETER_SERVICE_H 00028 00029 #include "MicroBitConfig.h" 00030 #include "ble/BLE.h" 00031 #include "MicroBitAccelerometer.h" 00032 #include "EventModel.h" 00033 00034 // UUIDs for our service and characteristics 00035 extern const uint8_t MicroBitAccelerometerServiceUUID[]; 00036 extern const uint8_t MicroBitAccelerometerServiceDataUUID[]; 00037 extern const uint8_t MicroBitAccelerometerServicePeriodUUID[]; 00038 00039 00040 /** 00041 * Class definition for a MicroBit BLE Accelerometer Service. 00042 * Provides access to live accelerometer data via Bluetooth, and provides basic configuration options. 00043 */ 00044 class MicroBitAccelerometerService 00045 { 00046 public: 00047 00048 /** 00049 * Constructor. 00050 * Create a representation of the AccelerometerService 00051 * @param _ble The instance of a BLE device that we're running on. 00052 * @param _accelerometer An instance of MicroBitAccelerometer. 00053 */ 00054 MicroBitAccelerometerService(BLEDevice &_ble, MicroBitAccelerometer &_acclerometer); 00055 00056 00057 private: 00058 00059 /** 00060 * Callback. Invoked when any of our attributes are written via BLE. 00061 */ 00062 void onDataWritten(const GattWriteCallbackParams *params); 00063 00064 /** 00065 * Accelerometer update callback 00066 */ 00067 void accelerometerUpdate(MicroBitEvent e); 00068 00069 // Bluetooth stack we're running on. 00070 BLEDevice &ble; 00071 MicroBitAccelerometer &accelerometer; 00072 00073 // memory for our 8 bit control characteristics. 00074 uint16_t accelerometerDataCharacteristicBuffer[3]; 00075 uint16_t accelerometerPeriodCharacteristicBuffer; 00076 00077 // Handles to access each characteristic when they are held by Soft Device. 00078 GattAttribute::Handle_t accelerometerDataCharacteristicHandle; 00079 GattAttribute::Handle_t accelerometerPeriodCharacteristicHandle; 00080 }; 00081 00082 00083 #endif
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