Diff: bricks/get.h

Revision:

29:0f068d70c1a5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bricks/get.h	Mon Aug 20 16:42:06 2018 +0000
@@ -0,0 +1,52 @@
+// get.h - get data from a characteristics
+//
+// Synopsis:
+//
+//    Get data from a 'characteristic' into a 'data' variable
+//
+//       get(characteristic,data)
+//
+//    The 'get' function (overloaded function family) is implemented for all
+//    types defined in "bricks/types.h".
+//
+//    See also: CHARACTERISTIC, SET
+//
+#ifndef _GET_H_
+#define _GET_H_
+
+#include "ble/BLE.h"
+#include "ble/Gap.h"
+#include "ble/GattClient.h"
+#include "bricks/o.h"
+#include "bricks/types.h"
+#include "bricks/characteristic.h"
+
+   inline void get(O&o, Characteristic<Bool> &chr, Bool &data)
+   {
+      uint16_t size = sizeof(Bool)/sizeof(uint8_t);
+      o.gattServer().read(chr.getValueHandle(), (uint8_t*)&data,&size);
+   }
+
+   inline void get(O&o, Characteristic<ObjectId> &chr, ObjectId &data)
+   {
+      uint16_t size = sizeof(ObjectId)/sizeof(uint8_t);
+      o.gattServer().read(chr.getValueHandle(), (uint8_t*)&data,&size);
+   }
+
+   inline void get(O&o, Characteristic<Buffer> &chr, Buffer &data)
+   {
+      uint16_t size = sizeof(Buffer)/sizeof(uint8_t);
+      o.gattServer().read(chr.getValueHandle(), (uint8_t*)&data,&size);
+   }
+
+// we provide also some GET methods for GattCharacteristics. However the use
+// of these methods are more dangerous, because a GattCharacteristics can be 
+// of any type and the compiler cannot help us to check !!!
+
+   inline void get(O&o,GattCharacteristic &chr, Bool &data)
+   {
+      uint16_t size = sizeof(Bool)/sizeof(uint8_t);
+      o.gattServer().read(chr.getValueHandle(), (uint8_t*)&data, &size);
+   }
+
+#endif // _GET_H_
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