Pull request for i.a. sensor buffer template
Dependencies: BLE_API MPU6050 mbed nRF51822
TemperatureService.h@5:614164945894, 2018-09-19 (annotated)
- Committer:
- pietermaljaars
- Date:
- Wed Sep 19 19:49:39 2018 +0000
- Revision:
- 5:614164945894
- Child:
- 6:ed0dc0647c01
Add temperature
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
pietermaljaars | 5:614164945894 | 1 | |
pietermaljaars | 5:614164945894 | 2 | #ifndef __TEMPERATURE_SERVICE_H__ |
pietermaljaars | 5:614164945894 | 3 | #define __TEMPERATURE_SERVICE_H__ |
pietermaljaars | 5:614164945894 | 4 | |
pietermaljaars | 5:614164945894 | 5 | #include "ble/BLE.h" |
pietermaljaars | 5:614164945894 | 6 | |
pietermaljaars | 5:614164945894 | 7 | #define UUID_TEMPERATURE_CELSIUS_CHAR 0x2A1F |
pietermaljaars | 5:614164945894 | 8 | #define UUID_TEMPERATURE_SERVICE "5D34E2F0-3DD2-07AC-38F1-BBAD120EF852" |
pietermaljaars | 5:614164945894 | 9 | |
pietermaljaars | 5:614164945894 | 10 | |
pietermaljaars | 5:614164945894 | 11 | /** |
pietermaljaars | 5:614164945894 | 12 | * @class TemperatureService |
pietermaljaars | 5:614164945894 | 13 | * @brief BLE Temperature Service. This service displays the temperature, represented as an 16bit number. |
pietermaljaars | 5:614164945894 | 14 | */ |
pietermaljaars | 5:614164945894 | 15 | class TemperatureService { |
pietermaljaars | 5:614164945894 | 16 | public: |
pietermaljaars | 5:614164945894 | 17 | /** |
pietermaljaars | 5:614164945894 | 18 | * @param[in] _ble |
pietermaljaars | 5:614164945894 | 19 | * BLE object for the underlying controller. |
pietermaljaars | 5:614164945894 | 20 | * @param[in] temperature |
pietermaljaars | 5:614164945894 | 21 | * 16bit temperature in 0.1 degrees Celsius |
pietermaljaars | 5:614164945894 | 22 | */ |
pietermaljaars | 5:614164945894 | 23 | TemperatureService(BLE &_ble, int16_t temperature = 200) : |
pietermaljaars | 5:614164945894 | 24 | ble(_ble), |
pietermaljaars | 5:614164945894 | 25 | temperature(temperature), |
pietermaljaars | 5:614164945894 | 26 | temperatureCharacteristic(UUID_TEMPERATURE_CELSIUS_CHAR, &temperature, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) { |
pietermaljaars | 5:614164945894 | 27 | |
pietermaljaars | 5:614164945894 | 28 | GattCharacteristic *charTable[] = {&temperatureCharacteristic}; |
pietermaljaars | 5:614164945894 | 29 | GattService TemperatureService(UUID(UUID_TEMPERATURE_SERVICE), charTable, sizeof(charTable) / sizeof(GattCharacteristic *)); |
pietermaljaars | 5:614164945894 | 30 | |
pietermaljaars | 5:614164945894 | 31 | ble.addService(TemperatureService); |
pietermaljaars | 5:614164945894 | 32 | } |
pietermaljaars | 5:614164945894 | 33 | |
pietermaljaars | 5:614164945894 | 34 | /** |
pietermaljaars | 5:614164945894 | 35 | * @brief Update the temperature with a new value. Valid values lie between -2732 and above. |
pietermaljaars | 5:614164945894 | 36 | * |
pietermaljaars | 5:614164945894 | 37 | * @param newTemp |
pietermaljaars | 5:614164945894 | 38 | * Update to temperature. |
pietermaljaars | 5:614164945894 | 39 | */ |
pietermaljaars | 5:614164945894 | 40 | void updateTemperature(int16_t newTemp) { |
pietermaljaars | 5:614164945894 | 41 | temperature = newTemp; |
pietermaljaars | 5:614164945894 | 42 | uint16_t temp = (uint16_t)temperature; |
pietermaljaars | 5:614164945894 | 43 | ble.gattServer().write(temperatureCharacteristic.getValueHandle(), (const uint8_t*)&temp, sizeof(temperature)); |
pietermaljaars | 5:614164945894 | 44 | } |
pietermaljaars | 5:614164945894 | 45 | |
pietermaljaars | 5:614164945894 | 46 | protected: |
pietermaljaars | 5:614164945894 | 47 | /** |
pietermaljaars | 5:614164945894 | 48 | * A reference to the underlying BLE instance that this object is attached to. |
pietermaljaars | 5:614164945894 | 49 | * The services and characteristics will be registered in this BLE instance. |
pietermaljaars | 5:614164945894 | 50 | */ |
pietermaljaars | 5:614164945894 | 51 | BLE &ble; |
pietermaljaars | 5:614164945894 | 52 | |
pietermaljaars | 5:614164945894 | 53 | /** |
pietermaljaars | 5:614164945894 | 54 | * The current temperature represented as 0.1 degrees Celsius. |
pietermaljaars | 5:614164945894 | 55 | */ |
pietermaljaars | 5:614164945894 | 56 | int16_t temperature; |
pietermaljaars | 5:614164945894 | 57 | /** |
pietermaljaars | 5:614164945894 | 58 | * A ReadOnlyGattCharacteristic that allows access to the peer device to the |
pietermaljaars | 5:614164945894 | 59 | * temperature value through BLE. |
pietermaljaars | 5:614164945894 | 60 | */ |
pietermaljaars | 5:614164945894 | 61 | ReadOnlyGattCharacteristic<int16_t> temperatureCharacteristic; |
pietermaljaars | 5:614164945894 | 62 | }; |
pietermaljaars | 5:614164945894 | 63 | |
pietermaljaars | 5:614164945894 | 64 | #endif /* #ifndef __TEMPERATURE_SERVICE_H__*/ |