playing with rpc
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Diff: RPCVariable.h
- Revision:
- 0:efe8172b4113
- Child:
- 1:6919289a5946
diff -r 000000000000 -r efe8172b4113 RPCVariable.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/RPCVariable.h Tue Nov 20 17:23:59 2012 +0000 @@ -0,0 +1,93 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * 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. + */ +#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_