Diff: inc/bluetooth/MicroBitTemperatureService.h

Revision:

1:8aa5cdb4ab67

--- /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