AccelerationService.h

00001 #ifndef __ACCELERATION_SERVICE_H__
00002 #define __ACCELERATION_SERVICE_H__
00003 
00004 #include "ble/BLE.h"
00005 
00006 #define UUID_ACCELERATION_X_CHAR  "5D34E2F0-3DD2-07AC-38F2-BBAD120EF853"
00007 #define UUID_ACCELERATION_Y_CHAR  "5D34E2F0-3DD2-07AC-38F3-BBAD120EF853"
00008 #define UUID_ACCELERATION_Z_CHAR  "5D34E2F0-3DD2-07AC-38F4-BBAD120EF853"
00009 #define UUID_ACCELERATION_SERVICE "5D34E2F0-3DD2-07AC-38F1-BBAD120EF853"
00010       
00011 /**
00012 * @class AccelerationService
00013 * @brief BLE Acceleration Service. This service displays the acceleration
00014 */
00015 class AccelerationService {
00016 public:
00017     /**
00018      * @param[in] _ble
00019      *               BLE object for the underlying controller.
00020      */
00021     AccelerationService (BLE &_ble) :
00022         ble(_ble),
00023         accelerationIndex(0),
00024         accelerationXCharacteristic(UUID(UUID_ACCELERATION_X_CHAR), &temp, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
00025         accelerationYCharacteristic(UUID(UUID_ACCELERATION_Y_CHAR), &temp, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
00026         accelerationZCharacteristic(UUID(UUID_ACCELERATION_Z_CHAR), &temp, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) {
00027 
00028         GattCharacteristic *charTable[] = {&accelerationXCharacteristic, &accelerationYCharacteristic, &accelerationZCharacteristic};
00029         GattService         AccelerationService (UUID(UUID_ACCELERATION_SERVICE), charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
00030 
00031         ble.addService(AccelerationService);
00032     }
00033 
00034     /**
00035      * @brief Update the temperature with a new value. Valid values lie between -2732 and above.
00036      *
00037      * @param newTemp
00038      *              Update to temperature.
00039      */
00040     void addAcceleration(int16_t *newAccel) {
00041         temp = newAccel[0];
00042         ble.gattServer().write(accelerationXCharacteristic.getValueHandle(), (const uint8_t*)&temp, sizeof(temp));
00043         temp = newAccel[1];
00044         ble.gattServer().write(accelerationYCharacteristic.getValueHandle(), (const uint8_t*)&temp, sizeof(temp));
00045         temp = newAccel[2];
00046         ble.gattServer().write(accelerationZCharacteristic.getValueHandle(), (const uint8_t*)&temp, sizeof(temp));
00047     }
00048 
00049 
00050 protected:
00051     /**
00052      * A reference to the underlying BLE instance that this object is attached to.
00053      * The services and characteristics will be registered in this BLE instance.
00054      */
00055     BLE &ble;
00056 
00057     /**
00058      * The current temperature represented as 0.1 degrees Celsius.
00059      */
00060     //int16_t    acceleration[30][3];
00061     int16_t    temp;
00062     
00063     uint16_t   accelerationIndex;
00064     /**
00065      * A ReadOnlyGattCharacteristic that allows access to the peer device to the
00066      * temperature value through BLE.
00067      */
00068     ReadOnlyGattCharacteristic<int16_t> accelerationXCharacteristic;
00069     ReadOnlyGattCharacteristic<int16_t> accelerationYCharacteristic;
00070     ReadOnlyGattCharacteristic<int16_t> accelerationZCharacteristic;
00071 };
00072 
00073 #endif /* #ifndef __ACCELERATION_SERVICE_H__*/