Diff: RPCVariable.h
- Revision:
- 0:a7276b35b90b
diff -r 000000000000 -r a7276b35b90b RPCVariable.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/RPCVariable.h Thu Jun 14 08:55:27 2012 +0000
@@ -0,0 +1,104 @@
+ /**
+* @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 "UniPWM.h"
+#include "LEDFunctions.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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