Diff: source/ESS.h

Revision:

0:9c0e0ac79e75

Child:

1:b12ac7b02a21

diff -r 000000000000 -r 9c0e0ac79e75 source/ESS.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/ESS.h	Wed Apr 29 10:42:44 2020 +0000
@@ -0,0 +1,82 @@
+/* ARM University Program Microcontroller Library
+ * 
+ * Environmental Sensing Service
+ *
+ * This software is distributed under an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ */
+
+#ifndef __BLE_ENVIRONMENTAL_SENSING_SERVICE_H__
+#define __BLE_ENVIRONMENTAL_SENSING_SERVICE_H__
+
+#include "mbed.h"
+#include "blecommon.h"
+#include "Gap.h"
+#include "GattServer.h"
+#include "BLEDeviceInstanceBase.h"
+
+//#include "BLEDevice.h"
+
+/* Environmental Sensing Service */
+/* Service:  https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.environmental_sensing.xml */
+/* Humidity characteristic: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.humidity.xml */
+/* Temperature: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.temperature.xml */
+
+class EnvironmentalSensingService {
+
+public:
+    /**
+     * Constructor.
+     *
+     * param[in] _ble
+     *               Reference to the underlying BLEDevice.
+     * param[in] humidity percentage (16-bit unsigned, 2 decimals).
+     *               initial value for the humidity value.
+     * param[in] temperature in degrees Celsius (16-bit signed, 2 decimals).
+     *               initial value for the temperature
+     */
+    EnvironmentalSensingService(BLEDevice &_ble, uint16_t humidity, int16_t temperature) :
+        ble(_ble),
+
+                humiditychar(GattCharacteristic::UUID_HUMIDITY_CHAR, (uint8_t *)&humidity,
+                sizeof(uint16_t), sizeof(uint16_t),
+                GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
+
+                temperaturechar(GattCharacteristic::UUID_TEMPERATURE_CHAR, (uint8_t *)&temperature,
+                sizeof(int16_t), sizeof(int16_t),
+                GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)
+                
+
+                {   // Setup Service
+                    
+        GattCharacteristic *charTable[] = {&humiditychar, &temperaturechar, }; // 2 services. humidity and temp
+
+                GattService      EnvironmentalService(0x181A, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
+
+        ble.addService(EnvironmentalService);
+    }
+
+
+    /* Set a new 16-bit value for the humidity measurement.  */
+    void updateHumidity(uint16_t humidity) {
+        ble.updateCharacteristicValue(humiditychar.getValueAttribute().getHandle(), (uint8_t *)&humidity, sizeof(uint16_t));
+    }
+
+                 /* Set a new 16-bit value for the temperature measurement.  */
+    void updateTemperature(int16_t temperature) {
+        ble.updateCharacteristicValue(temperaturechar.getValueAttribute().getHandle(), (uint8_t *)&temperature, sizeof(int16_t));
+    }
+
+
+        
+private:
+    BLEDevice                   &ble;
+    GattCharacteristic          humiditychar;
+    GattCharacteristic          temperaturechar;
+
+};
+
+#endif /* #ifndef __BLE_ENVIRONMENTAL_SENSING_SERVICE_H__*/
+
+
+// *******************************ARM University Program Copyright © ARM Ltd 2015*************************************//