Diff: source/Sensorservice.h

Revision:

39:ddabcba6eff1

diff -r 4bdc241ba9a6 -r ddabcba6eff1 source/Sensorservice.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/Sensorservice.h	Wed Jul 10 20:09:49 2019 +0000
@@ -0,0 +1,174 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __BLE_ENVIRONMENTAL_SERVICE_H__
+#define __BLE_ENVIRONMENTAL_SERVICE_H__
+
+#include "ble/BLE.h"
+
+/**
+* @class EnvironmentalService
+* @brief BLE Environmental Service. This service provides temperature, humidity and pressure measurement.
+* Service:  https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.environmental_sensing.xml
+* Temperature: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.temperature.xml
+* Humidity: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.humidity.xml
+* Pressure: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.pressure.xml
+*/
+class EnvironmentalService {
+public:
+    typedef int16_t  TemperatureType_t;
+    typedef uint16_t HumidityType_t;
+    typedef uint32_t PressureType_t;
+    typedef uint8_t  TimeType_t;
+    typedef uint8_t writeValue_t[10];
+    typedef uint8_t readValue_t[10];
+    typedef int16_t Magneto_t[3];
+    typedef int16_t ACCELERO_t[3];
+    typedef float   Gyro_t[3];
+    
+    const static uint16_t READ_SERVICE_CHARACTERISTIC_UUID = 0xA001;
+    const static uint16_t WRITE_SERVICE_CHARACTERISTIC_UUID = 0xA002;
+    const static uint16_t MAGNETO_SERVICE_CHARACTERISTIC_UUID = 0xA003;
+    const static uint16_t GYRO_SERVICE_CHARACTERISTIC_UUID = 0xA004;
+    const static uint16_t ACCELERO_SERVICE_CHARACTERISTIC_UUID = 0xA005;
+
+    /**
+     * @brief   EnvironmentalService constructor.
+     * @param   ble Reference to BLE device.
+     * @param   temperature_en Enable this characteristic.
+     * @param   humidity_en Enable this characteristic.
+     * @param   pressure_en Enable this characteristic.
+     */
+    EnvironmentalService(BLE& _ble) :
+        ble(_ble),
+        temperatureCharacteristic(GattCharacteristic::UUID_TEMPERATURE_CHAR, &temperature),
+        humidityCharacteristic(GattCharacteristic::UUID_HUMIDITY_CHAR, &humidity),
+        pressureCharacteristic(GattCharacteristic::UUID_PRESSURE_CHAR, &pressure),
+        timeCharacteristic(GattCharacteristic::UUID_CURRENT_TIME_CHAR , &timeNow),
+        magnetoCharacteristic(MAGNETO_SERVICE_CHARACTERISTIC_UUID, &magneto),
+        acceleroCharacteristic(ACCELERO_SERVICE_CHARACTERISTIC_UUID, &accelero),
+        gyroCharacteristic(GYRO_SERVICE_CHARACTERISTIC_UUID, &gyro),
+        readState(READ_SERVICE_CHARACTERISTIC_UUID, &readValue)
+        
+    {
+        static bool serviceAdded = false; /* We should only ever need to add the information service once. */
+        if (serviceAdded) {
+            return;
+        }
+
+        GattCharacteristic *charTable[] = { &humidityCharacteristic,
+                                            &pressureCharacteristic,
+                                            &temperatureCharacteristic,
+                                            &timeCharacteristic,
+                                            &readState,
+                                            &magnetoCharacteristic,
+                                            &acceleroCharacteristic,
+                                            &gyroCharacteristic };
+        GattService environmentalService(GattService::UUID_ENVIRONMENTAL_SERVICE, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
+
+        ble.gattServer().addService(environmentalService);
+        serviceAdded = true;
+    }
+
+    /**
+     * @brief   Update humidity characteristic.
+     * @param   newHumidityVal New humidity measurement.
+     */
+    void updateHumidity(HumidityType_t newHumidityVal)
+    {
+        humidity = (HumidityType_t) (newHumidityVal*100);
+        ble.gattServer().write(humidityCharacteristic.getValueHandle(), (uint8_t *) &humidity, sizeof(HumidityType_t));
+    }
+    
+    void updateTime(TimeType_t newTimeVal)
+    {
+        timeNow = (TimeType_t) newTimeVal;
+        ble.gattServer().write(timeCharacteristic.getValueHandle(), (uint8_t *) &timeNow, sizeof(newTimeVal));
+    }
+
+    /**
+     * @brief   Update pressure characteristic.
+     * @param   newPressureVal New pressure measurement.
+     */
+    void updatePressure(PressureType_t newPressureVal)
+    {
+        pressure = (PressureType_t) (newPressureVal * 10);
+        ble.gattServer().write(pressureCharacteristic.getValueHandle(), (uint8_t *) &pressure, sizeof(PressureType_t));
+    }
+
+    /**
+     * @brief   Update temperature characteristic.
+     * @param   newTemperatureVal New temperature measurement.
+     */
+    void updateTemperature(float newTemperatureVal)
+    {
+        temperature = (TemperatureType_t) (newTemperatureVal * 100);
+        ble.gattServer().write(temperatureCharacteristic.getValueHandle(), (uint8_t *) &temperature, sizeof(TemperatureType_t));
+    }
+    
+    void updateMagneto(Magneto_t newMagnetoVal)
+    {
+        ble.gattServer().write(magnetoCharacteristic.getValueHandle(), (uint8_t *) &magneto[0], sizeof(int16_t));
+        ble.gattServer().write(magnetoCharacteristic.getValueHandle(), (uint8_t *) &magneto[1], sizeof(int16_t));
+        ble.gattServer().write(magnetoCharacteristic.getValueHandle(), (uint8_t *) &magneto[2], sizeof(int16_t));
+    }
+    
+    void updateAccelero(ACCELERO_t newAcceleroVal)
+    {
+        ble.gattServer().write(acceleroCharacteristic.getValueHandle(), (uint8_t *) &accelero[0], sizeof(int16_t));
+        ble.gattServer().write(acceleroCharacteristic.getValueHandle(), (uint8_t *) &accelero[1], sizeof(int16_t));
+        ble.gattServer().write(acceleroCharacteristic.getValueHandle(), (uint8_t *) &accelero[2], sizeof(int16_t));
+    }
+    
+    void updateGyro(Gyro_t newGyroVal)
+    {
+        ble.gattServer().write(gyroCharacteristic.getValueHandle(), (uint8_t *) &gyro[0], sizeof(float));
+        ble.gattServer().write(gyroCharacteristic.getValueHandle(), (uint8_t *) &gyro[1], sizeof(float));
+        ble.gattServer().write(gyroCharacteristic.getValueHandle(),  (uint8_t *)  &gyro[2],  sizeof(float));
+    }
+    
+    GattAttribute::Handle_t getValueHandle() const
+    {
+        return readState.getValueHandle();
+    }
+    
+    
+    
+    
+private:
+    BLE& ble;
+
+    TemperatureType_t temperature;
+    HumidityType_t    humidity;
+    PressureType_t    pressure;
+    TimeType_t        timeNow;
+    writeValue_t writeValue;
+    readValue_t readValue;
+    Magneto_t   magneto;
+    ACCELERO_t   accelero;
+    Gyro_t      gyro;
+
+    ReadOnlyGattCharacteristic<TemperatureType_t> temperatureCharacteristic;
+    ReadOnlyGattCharacteristic<HumidityType_t>    humidityCharacteristic;
+    ReadOnlyGattCharacteristic<PressureType_t>    pressureCharacteristic;
+    ReadOnlyGattCharacteristic<TimeType_t>        timeCharacteristic;
+    ReadOnlyGattCharacteristic<readValue_t> readState;
+    ReadOnlyGattCharacteristic<Magneto_t> magnetoCharacteristic;
+    ReadOnlyGattCharacteristic<ACCELERO_t> acceleroCharacteristic;
+    ReadOnlyGattCharacteristic<Gyro_t> gyroCharacteristic;
+};
+
+#endif /* #ifndef __BLE_ENVIRONMENTAL_SERVICE_H__*/
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