88 linhas
2.3 KiB
C
88 linhas
2.3 KiB
C
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/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef RPCVARIABLE_H_
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#define RPCVARIABLE_H_
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#include "rpc.h"
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namespace mbed {
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/**
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*Class to read and set an attached variable using the RPC
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*
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*/
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template<class T>
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class RPCVariable: public RPC {
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public:
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/**
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* Constructor
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*
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*@param ptr Pointer to the variable to make accessible over RPC. Any type of
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*variable can be connected
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*@param name The name of that this object will be over RPC
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*/
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template<class A>
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RPCVariable(A * ptr, const char * name) : RPC(name) {
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_ptr = ptr;
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}
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/**
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*Read the variable over RPC.
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*
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*@return The value of the variable
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*/
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T read() {
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return (*_ptr);
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}
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/**
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*Write a value to the variable over RPC
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*
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*@param The value to be written to the attached variable.
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*/
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void write(T value) {
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*_ptr = value;
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}
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virtual const struct rpc_method *get_rpc_methods();
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static struct rpc_class *get_rpc_class();
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private:
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T * _ptr;
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};
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template<class T>
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const rpc_method *RPCVariable<T>::get_rpc_methods() {
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static const rpc_method rpc_methods[] = {
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{"read" , rpc_method_caller<T, RPCVariable, &RPCVariable::read> },
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{"write", rpc_method_caller<RPCVariable, T, &RPCVariable::write> },
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RPC_METHOD_SUPER(RPC)
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};
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return rpc_methods;
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}
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template<class T>
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rpc_class *RPCVariable<T>::get_rpc_class() {
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static const rpc_function funcs[] = {
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"new", rpc_function_caller<const char*, T, const char*, &RPC::construct<RPCVariable, T, const char*> > ,
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RPC_METHOD_END
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};
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static rpc_class c = {"RPCVariable", funcs, NULL};
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return &c;
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}
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}
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#endif //RPCVARIABLE_H_
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