Diff: RPCInterface/RPCVariable.h

Revision:

4:da91478e0ca4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RPCInterface/RPCVariable.h	Tue May 19 17:26:07 2015 +0000
@@ -0,0 +1,102 @@
+ /**
+* @section LICENSE
+*Copyright (c) 2010 ARM Ltd.
+*
+*Permission is hereby granted, free of charge, to any person obtaining a copy
+*of this software and associated documentation files (the "Software"), to deal
+*in the Software without restriction, including without limitation the rights
+*to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+*copies of the Software, and to permit persons to whom the Software is
+*furnished to do so, subject to the following conditions:
+* 
+*The above copyright notice and this permission notice shall be included in
+*all copies or substantial portions of the Software.
+* 
+*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+*IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+*FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+*AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+*LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+*OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+*THE SOFTWARE.
+*
+* @section Description
+*This class provides an object to which a variable can be attached. Any type 
+*for which a parse_args function specilisation exists can be attached. This includes 
+*all of the standard types.
+*
+*/
+ #ifndef RPCVARIABLE_H_  
+ #define RPCVARIABLE_H_
+
+#include "mbed.h"
+#include "platform.h"
+#include "rpc.h"
+ /**
+ *Class to read and set an attached variable using the RPC
+ *
+ */
+template<class T>
+class RPCVariable : public Base{
+public:
+    /**
+    * Constructor
+    * 
+    *@param ptr Pointer to the variable to make accessible over RPC. Any type of 
+    *variable can be connected
+    *@param name The name of that this object will be over RPC
+    */
+    template<class A>
+    RPCVariable(A * ptr, const char * name) : Base(name){
+        _ptr = ptr;
+    }
+    /**
+    *Read the variable over RPC.
+    * 
+    *@return The value of the variable
+    */
+    T read(){
+        return(*_ptr);
+    }
+    /**
+    *Write a value to the variable over RPC
+    * 
+    *@param The value to be written to the attached variable.
+    */
+    void write(T value){
+        *_ptr = value;
+    }
+
+                                                                                   #ifdef MBED_RPC
+    virtual const struct rpc_method *get_rpc_methods();    
+    static struct rpc_class *get_rpc_class();
+                     #endif
+
+private:
+    T * _ptr;
+                                           
+};
+
+//Set up RPC methods
+#ifdef MBED_RPC
+template <class T>
+    const rpc_method *RPCVariable<T>::get_rpc_methods() {
+       static const rpc_method rpc_methods[] = {
+        { "read", rpc_method_caller<T, RPCVariable, &RPCVariable::read> },
+        { "write", rpc_method_caller<RPCVariable, T, &RPCVariable::write> },
+        RPC_METHOD_SUPER(Base)
+      };
+      return rpc_methods;
+    }       
+    template <class T>
+    rpc_class *RPCVariable<T>::get_rpc_class() {
+        static const rpc_function funcs[] = {"new", rpc_function_caller<const char*, T,const char* , &Base::construct<RemoteVar, T ,const char*> >,RPC_METHOD_END};
+        static rpc_class c = { "RPCVariable", funcs, NULL };
+        return &c;
+    }
+#endif
+
+//There could be specialisation for integer, to also give increment and decrements
+
+
+#endif  //RPCVARIABLE_H_
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