Solution for Bluetooth SIG hands-on training course
Dependencies: BLE_API mbed-dev-bin nRF51822-bluetooth-mdw
Fork of microbit-dal-bluetooth-mdw_starter by
MicroBitTemperatureService.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_TEMPERATURE_SERVICE_H 00027 #define MICROBIT_TEMPERATURE_SERVICE_H 00028 00029 #include "MicroBitConfig.h" 00030 #include "ble/BLE.h" 00031 #include "MicroBitThermometer.h" 00032 #include "EventModel.h" 00033 00034 // UUIDs for our service and characteristics 00035 extern const uint8_t MicroBitTemperatureServiceUUID[]; 00036 extern const uint8_t MicroBitTemperatureServiceDataUUID[]; 00037 extern const uint8_t MicroBitTemperatureServicePeriodUUID[]; 00038 00039 00040 /** 00041 * Class definition for the custom MicroBit Temperature Service. 00042 * Provides a BLE service to remotely read the silicon temperature of the nRF51822. 00043 */ 00044 class MicroBitTemperatureService 00045 { 00046 public: 00047 00048 /** 00049 * Constructor. 00050 * Create a representation of the TemperatureService 00051 * @param _ble The instance of a BLE device that we're running on. 00052 * @param _thermometer An instance of MicroBitThermometer to use as our temperature source. 00053 */ 00054 MicroBitTemperatureService(BLEDevice &_ble, MicroBitThermometer &_thermometer); 00055 00056 /** 00057 * Callback. Invoked when any of our attributes are written via BLE. 00058 */ 00059 void onDataWritten(const GattWriteCallbackParams *params); 00060 00061 /** 00062 * Temperature update callback 00063 */ 00064 void temperatureUpdate(MicroBitEvent e); 00065 00066 private: 00067 00068 // Bluetooth stack we're running on. 00069 BLEDevice &ble; 00070 MicroBitThermometer &thermometer; 00071 00072 // memory for our 8 bit temperature characteristic. 00073 int8_t temperatureDataCharacteristicBuffer; 00074 uint16_t temperaturePeriodCharacteristicBuffer; 00075 00076 // Handles to access each characteristic when they are held by Soft Device. 00077 GattAttribute::Handle_t temperatureDataCharacteristicHandle; 00078 GattAttribute::Handle_t temperaturePeriodCharacteristicHandle; 00079 }; 00080 00081 00082 #endif
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