microbit-dal
Dependencies: BLE_API mbed-dev-bin nRF51822
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Diff: inc/bluetooth/MicroBitTemperatureService.h
- Revision:
- 1:8aa5cdb4ab67
diff -r fb15f7887843 -r 8aa5cdb4ab67 inc/bluetooth/MicroBitTemperatureService.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/inc/bluetooth/MicroBitTemperatureService.h Thu Apr 07 01:33:22 2016 +0100 @@ -0,0 +1,82 @@ +/* +The MIT License (MIT) + +Copyright (c) 2016 British Broadcasting Corporation. +This software is provided by Lancaster University by arrangement with the BBC. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the "Software"), +to deal in the Software without restriction, including without limitation +the rights to use, copy, modify, merge, publish, distribute, sublicense, +and/or sell copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. +*/ + +#ifndef MICROBIT_TEMPERATURE_SERVICE_H +#define MICROBIT_TEMPERATURE_SERVICE_H + +#include "MicroBitConfig.h" +#include "ble/BLE.h" +#include "MicroBitThermometer.h" +#include "EventModel.h" + +// UUIDs for our service and characteristics +extern const uint8_t MicroBitTemperatureServiceUUID[]; +extern const uint8_t MicroBitTemperatureServiceDataUUID[]; +extern const uint8_t MicroBitTemperatureServicePeriodUUID[]; + + +/** + * Class definition for the custom MicroBit Temperature Service. + * Provides a BLE service to remotely read the silicon temperature of the nRF51822. + */ +class MicroBitTemperatureService +{ + public: + + /** + * Constructor. + * Create a representation of the TemperatureService + * @param _ble The instance of a BLE device that we're running on. + * @param _thermometer An instance of MicroBitThermometer to use as our temperature source. + */ + MicroBitTemperatureService(BLEDevice &_ble, MicroBitThermometer &_thermometer); + + /** + * Callback. Invoked when any of our attributes are written via BLE. + */ + void onDataWritten(const GattWriteCallbackParams *params); + + /** + * Temperature update callback + */ + void temperatureUpdate(MicroBitEvent e); + + private: + + // Bluetooth stack we're running on. + BLEDevice &ble; + MicroBitThermometer &thermometer; + + // memory for our 8 bit temperature characteristic. + int8_t temperatureDataCharacteristicBuffer; + uint16_t temperaturePeriodCharacteristicBuffer; + + // Handles to access each characteristic when they are held by Soft Device. + GattAttribute::Handle_t temperatureDataCharacteristicHandle; + GattAttribute::Handle_t temperaturePeriodCharacteristicHandle; +}; + + +#endif