Diff: mbed-rpc/RPCVariable.h

Revision:

0:7766f6712673

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rpc/RPCVariable.h	Wed Mar 12 04:19:54 2014 +0000
@@ -0,0 +1,87 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef RPCVARIABLE_H_
+#define RPCVARIABLE_H_
+
+#include "rpc.h"
+
+namespace mbed {
+
+/**
+ *Class to read and set an attached variable using the RPC
+ *
+ */
+template<class T>
+class RPCVariable: public RPC {
+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) : RPC(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;
+    }
+
+    virtual const struct rpc_method *get_rpc_methods();
+    static struct rpc_class *get_rpc_class();
+
+private:
+    T * _ptr;
+};
+
+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(RPC)
+    };
+    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*, &RPC::construct<RPCVariable, T, const char*> > ,
+            RPC_METHOD_END
+    };
+    static rpc_class c = {"RPCVariable", funcs, NULL};
+    return &c;
+}
+
+}
+
+#endif  //RPCVARIABLE_H_