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Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

features/FEATURE_BLE/ble/services/EnvironmentalService.h@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 /* mbed Microcontroller Library
group-onsemi 0:098463de4c5d 2 * Copyright (c) 2006-2013 ARM Limited
group-onsemi 0:098463de4c5d 3 *
group-onsemi 0:098463de4c5d 4 * Licensed under the Apache License, Version 2.0 (the "License");
group-onsemi 0:098463de4c5d 5 * you may not use this file except in compliance with the License.
group-onsemi 0:098463de4c5d 6 * You may obtain a copy of the License at
group-onsemi 0:098463de4c5d 7 *
group-onsemi 0:098463de4c5d 8 * http://www.apache.org/licenses/LICENSE-2.0
group-onsemi 0:098463de4c5d 9 *
group-onsemi 0:098463de4c5d 10 * Unless required by applicable law or agreed to in writing, software
group-onsemi 0:098463de4c5d 11 * distributed under the License is distributed on an "AS IS" BASIS,
group-onsemi 0:098463de4c5d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-onsemi 0:098463de4c5d 13 * See the License for the specific language governing permissions and
group-onsemi 0:098463de4c5d 14 * limitations under the License.
group-onsemi 0:098463de4c5d 15 */
group-onsemi 0:098463de4c5d 16
group-onsemi 0:098463de4c5d 17 #ifndef __BLE_ENVIRONMENTAL_SERVICE_H__
group-onsemi 0:098463de4c5d 18 #define __BLE_ENVIRONMENTAL_SERVICE_H__
group-onsemi 0:098463de4c5d 19
group-onsemi 0:098463de4c5d 20 #include "ble/BLE.h"
group-onsemi 0:098463de4c5d 21
group-onsemi 0:098463de4c5d 22 /**
group-onsemi 0:098463de4c5d 23 * @class EnvironmentalService
group-onsemi 0:098463de4c5d 24 * @brief BLE Environmental Service. This service provides temperature, humidity and pressure measurement.
group-onsemi 0:098463de4c5d 25 * Service: https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.environmental_sensing.xml
group-onsemi 0:098463de4c5d 26 * Temperature: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.temperature.xml
group-onsemi 0:098463de4c5d 27 * Humidity: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.humidity.xml
group-onsemi 0:098463de4c5d 28 * Pressure: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.pressure.xml
group-onsemi 0:098463de4c5d 29 */
group-onsemi 0:098463de4c5d 30 class EnvironmentalService {
group-onsemi 0:098463de4c5d 31 public:
group-onsemi 0:098463de4c5d 32 typedef int16_t TemperatureType_t;
group-onsemi 0:098463de4c5d 33 typedef uint16_t HumidityType_t;
group-onsemi 0:098463de4c5d 34 typedef uint32_t PressureType_t;
group-onsemi 0:098463de4c5d 35
group-onsemi 0:098463de4c5d 36 /**
group-onsemi 0:098463de4c5d 37 * @brief EnvironmentalService constructor.
group-onsemi 0:098463de4c5d 38 * @param ble Reference to BLE device.
group-onsemi 0:098463de4c5d 39 * @param temperature_en Enable this characteristic.
group-onsemi 0:098463de4c5d 40 * @param humidity_en Enable this characteristic.
group-onsemi 0:098463de4c5d 41 * @param pressure_en Enable this characteristic.
group-onsemi 0:098463de4c5d 42 */
group-onsemi 0:098463de4c5d 43 EnvironmentalService(BLE& _ble) :
group-onsemi 0:098463de4c5d 44 ble(_ble),
group-onsemi 0:098463de4c5d 45 temperatureCharacteristic(GattCharacteristic::UUID_TEMPERATURE_CHAR, &temperature),
group-onsemi 0:098463de4c5d 46 humidityCharacteristic(GattCharacteristic::UUID_HUMIDITY_CHAR, &humidity),
group-onsemi 0:098463de4c5d 47 pressureCharacteristic(GattCharacteristic::UUID_PRESSURE_CHAR, &pressure)
group-onsemi 0:098463de4c5d 48 {
group-onsemi 0:098463de4c5d 49 static bool serviceAdded = false; /* We should only ever need to add the information service once. */
group-onsemi 0:098463de4c5d 50 if (serviceAdded) {
group-onsemi 0:098463de4c5d 51 return;
group-onsemi 0:098463de4c5d 52 }
group-onsemi 0:098463de4c5d 53
group-onsemi 0:098463de4c5d 54 GattCharacteristic *charTable[] = { &humidityCharacteristic,
group-onsemi 0:098463de4c5d 55 &pressureCharacteristic,
group-onsemi 0:098463de4c5d 56 &temperatureCharacteristic };
group-onsemi 0:098463de4c5d 57
group-onsemi 0:098463de4c5d 58 GattService environmentalService(GattService::UUID_ENVIRONMENTAL_SERVICE, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
group-onsemi 0:098463de4c5d 59
group-onsemi 0:098463de4c5d 60 ble.gattServer().addService(environmentalService);
group-onsemi 0:098463de4c5d 61 serviceAdded = true;
group-onsemi 0:098463de4c5d 62 }
group-onsemi 0:098463de4c5d 63
group-onsemi 0:098463de4c5d 64 /**
group-onsemi 0:098463de4c5d 65 * @brief Update humidity characteristic.
group-onsemi 0:098463de4c5d 66 * @param newHumidityVal New humidity measurement.
group-onsemi 0:098463de4c5d 67 */
group-onsemi 0:098463de4c5d 68 void updateHumidity(HumidityType_t newHumidityVal)
group-onsemi 0:098463de4c5d 69 {
group-onsemi 0:098463de4c5d 70 humidity = (HumidityType_t) (newHumidityVal * 100);
group-onsemi 0:098463de4c5d 71 ble.gattServer().write(humidityCharacteristic.getValueHandle(), (uint8_t *) &humidity, sizeof(HumidityType_t));
group-onsemi 0:098463de4c5d 72 }
group-onsemi 0:098463de4c5d 73
group-onsemi 0:098463de4c5d 74 /**
group-onsemi 0:098463de4c5d 75 * @brief Update pressure characteristic.
group-onsemi 0:098463de4c5d 76 * @param newPressureVal New pressure measurement.
group-onsemi 0:098463de4c5d 77 */
group-onsemi 0:098463de4c5d 78 void updatePressure(PressureType_t newPressureVal)
group-onsemi 0:098463de4c5d 79 {
group-onsemi 0:098463de4c5d 80 pressure = (PressureType_t) (newPressureVal * 10);
group-onsemi 0:098463de4c5d 81 ble.gattServer().write(pressureCharacteristic.getValueHandle(), (uint8_t *) &pressure, sizeof(PressureType_t));
group-onsemi 0:098463de4c5d 82 }
group-onsemi 0:098463de4c5d 83
group-onsemi 0:098463de4c5d 84 /**
group-onsemi 0:098463de4c5d 85 * @brief Update temperature characteristic.
group-onsemi 0:098463de4c5d 86 * @param newTemperatureVal New temperature measurement.
group-onsemi 0:098463de4c5d 87 */
group-onsemi 0:098463de4c5d 88 void updateTemperature(float newTemperatureVal)
group-onsemi 0:098463de4c5d 89 {
group-onsemi 0:098463de4c5d 90 temperature = (TemperatureType_t) (newTemperatureVal * 100);
group-onsemi 0:098463de4c5d 91 ble.gattServer().write(temperatureCharacteristic.getValueHandle(), (uint8_t *) &temperature, sizeof(TemperatureType_t));
group-onsemi 0:098463de4c5d 92 }
group-onsemi 0:098463de4c5d 93
group-onsemi 0:098463de4c5d 94 private:
group-onsemi 0:098463de4c5d 95 BLE& ble;
group-onsemi 0:098463de4c5d 96
group-onsemi 0:098463de4c5d 97 TemperatureType_t temperature;
group-onsemi 0:098463de4c5d 98 HumidityType_t humidity;
group-onsemi 0:098463de4c5d 99 PressureType_t pressure;
group-onsemi 0:098463de4c5d 100
group-onsemi 0:098463de4c5d 101 ReadOnlyGattCharacteristic<TemperatureType_t> temperatureCharacteristic;
group-onsemi 0:098463de4c5d 102 ReadOnlyGattCharacteristic<HumidityType_t> humidityCharacteristic;
group-onsemi 0:098463de4c5d 103 ReadOnlyGattCharacteristic<PressureType_t> pressureCharacteristic;
group-onsemi 0:098463de4c5d 104 };
group-onsemi 0:098463de4c5d 105
group-onsemi 0:098463de4c5d 106 #endif /* #ifndef __BLE_ENVIRONMENTAL_SERVICE_H__*/