get.h

00001 // get.h - get data from a characteristics
00002 //
00003 // Synopsis:
00004 //
00005 //    Get data from a 'characteristic' into a 'data' variable
00006 //
00007 //       get(characteristic,data)
00008 //
00009 //    The 'get' function (overloaded function family) is implemented for all
00010 //    types defined in "bricks/types.h".
00011 //
00012 //    See also: CHARACTERISTIC, SET
00013 //
00014 #ifndef _GET_H_
00015 #define _GET_H_
00016 
00017 #include "ble/BLE.h"
00018 #include "ble/Gap.h"
00019 #include "ble/GattClient.h"
00020 #include "bricks/o.h"
00021 #include "bricks/types.h"
00022 #include "bricks/characteristic.h"
00023 
00024    inline void get(O&o, Characteristic<Bool> &chr, Bool &data)
00025    {
00026       uint16_t size = sizeof(Bool)/sizeof(uint8_t);
00027       o.gattServer().read(chr.getValueHandle(), (uint8_t*)&data,&size);
00028    }
00029 
00030    inline void get(O&o, Characteristic<Int> &chr, Int &data)
00031    {
00032       uint16_t size = sizeof(Int)/sizeof(uint8_t);
00033       o.gattServer().read(chr.getValueHandle(), (uint8_t*)&data,&size);
00034    }
00035 
00036    inline void get(O&o, Characteristic<ObjectId> &chr, ObjectId &data)
00037    {
00038       uint16_t size = sizeof(ObjectId)/sizeof(uint8_t);
00039       o.gattServer().read(chr.getValueHandle(), (uint8_t*)&data,&size);
00040    }
00041 
00042    inline void get(O&o, Characteristic<Buffer> &chr, Buffer &data)
00043    {
00044       uint16_t size = sizeof(Buffer)/sizeof(uint8_t);
00045       o.gattServer().read(chr.getValueHandle(), (uint8_t*)&data,&size);
00046    }
00047 
00048 // we provide also some GET methods for GattCharacteristics. However the use
00049 // of these methods are more dangerous, because a GattCharacteristics can be 
00050 // of any type and the compiler cannot help us to check !!!
00051 
00052    inline void get(O&o,GattCharacteristic &chr, Bool &data)
00053    {
00054       uint16_t size = sizeof(Bool)/sizeof(uint8_t);
00055       o.gattServer().read(chr.getValueHandle(), (uint8_t*)&data, &size);
00056    }
00057 
00058 #endif // _GET_H_