Bram Van Reusel / Mbed 2 deprecated Labbview

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RPCInterface/RPCVariable.h@0:e4782112c3fd, 2015-04-28 (annotated)

Committer:
u0068206
Date:
Tue Apr 28 11:41:25 2015 +0000
Revision:
0:e4782112c3fd
Analoog in

Who changed what in which revision?

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u0068206 0:e4782112c3fd 1 /**
u0068206 0:e4782112c3fd 2 * @section LICENSE
u0068206 0:e4782112c3fd 3 *Copyright (c) 2010 ARM Ltd.
u0068206 0:e4782112c3fd 4 *
u0068206 0:e4782112c3fd 5 *Permission is hereby granted, free of charge, to any person obtaining a copy
u0068206 0:e4782112c3fd 6 *of this software and associated documentation files (the "Software"), to deal
u0068206 0:e4782112c3fd 7 *in the Software without restriction, including without limitation the rights
u0068206 0:e4782112c3fd 8 *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
u0068206 0:e4782112c3fd 9 *copies of the Software, and to permit persons to whom the Software is
u0068206 0:e4782112c3fd 10 *furnished to do so, subject to the following conditions:
u0068206 0:e4782112c3fd 11 *
u0068206 0:e4782112c3fd 12 *The above copyright notice and this permission notice shall be included in
u0068206 0:e4782112c3fd 13 *all copies or substantial portions of the Software.
u0068206 0:e4782112c3fd 14 *
u0068206 0:e4782112c3fd 15 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
u0068206 0:e4782112c3fd 16 *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
u0068206 0:e4782112c3fd 17 *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
u0068206 0:e4782112c3fd 18 *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
u0068206 0:e4782112c3fd 19 *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
u0068206 0:e4782112c3fd 20 *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
u0068206 0:e4782112c3fd 21 *THE SOFTWARE.
u0068206 0:e4782112c3fd 22 *
u0068206 0:e4782112c3fd 23 * @section Description
u0068206 0:e4782112c3fd 24 *This class provides an object to which a variable can be attached. Any type
u0068206 0:e4782112c3fd 25 *for which a parse_args function specilisation exists can be attached. This includes
u0068206 0:e4782112c3fd 26 *all of the standard types.
u0068206 0:e4782112c3fd 27 *
u0068206 0:e4782112c3fd 28 */
u0068206 0:e4782112c3fd 29 #ifndef RPCVARIABLE_H_
u0068206 0:e4782112c3fd 30 #define RPCVARIABLE_H_
u0068206 0:e4782112c3fd 31
u0068206 0:e4782112c3fd 32 #include "mbed.h"
u0068206 0:e4782112c3fd 33 #include "platform.h"
u0068206 0:e4782112c3fd 34 #include "rpc.h"
u0068206 0:e4782112c3fd 35 /**
u0068206 0:e4782112c3fd 36 *Class to read and set an attached variable using the RPC
u0068206 0:e4782112c3fd 37 *
u0068206 0:e4782112c3fd 38 */
u0068206 0:e4782112c3fd 39 template<class T>
u0068206 0:e4782112c3fd 40 class RPCVariable : public Base{
u0068206 0:e4782112c3fd 41 public:
u0068206 0:e4782112c3fd 42 /**
u0068206 0:e4782112c3fd 43 * Constructor
u0068206 0:e4782112c3fd 44 *
u0068206 0:e4782112c3fd 45 *@param ptr Pointer to the variable to make accessible over RPC. Any type of
u0068206 0:e4782112c3fd 46 *variable can be connected
u0068206 0:e4782112c3fd 47 *@param name The name of that this object will be over RPC
u0068206 0:e4782112c3fd 48 */
u0068206 0:e4782112c3fd 49 template<class A>
u0068206 0:e4782112c3fd 50 RPCVariable(A * ptr, const char * name) : Base(name){
u0068206 0:e4782112c3fd 51 _ptr = ptr;
u0068206 0:e4782112c3fd 52 }
u0068206 0:e4782112c3fd 53 /**
u0068206 0:e4782112c3fd 54 *Read the variable over RPC.
u0068206 0:e4782112c3fd 55 *
u0068206 0:e4782112c3fd 56 *@return The value of the variable
u0068206 0:e4782112c3fd 57 */
u0068206 0:e4782112c3fd 58 T read(){
u0068206 0:e4782112c3fd 59 return(*_ptr);
u0068206 0:e4782112c3fd 60 }
u0068206 0:e4782112c3fd 61 /**
u0068206 0:e4782112c3fd 62 *Write a value to the variable over RPC
u0068206 0:e4782112c3fd 63 *
u0068206 0:e4782112c3fd 64 *@param The value to be written to the attached variable.
u0068206 0:e4782112c3fd 65 */
u0068206 0:e4782112c3fd 66 void write(T value){
u0068206 0:e4782112c3fd 67 *_ptr = value;
u0068206 0:e4782112c3fd 68 }
u0068206 0:e4782112c3fd 69
u0068206 0:e4782112c3fd 70 #ifdef MBED_RPC
u0068206 0:e4782112c3fd 71 virtual const struct rpc_method *get_rpc_methods();
u0068206 0:e4782112c3fd 72 static struct rpc_class *get_rpc_class();
u0068206 0:e4782112c3fd 73 #endif
u0068206 0:e4782112c3fd 74
u0068206 0:e4782112c3fd 75 private:
u0068206 0:e4782112c3fd 76 T * _ptr;
u0068206 0:e4782112c3fd 77
u0068206 0:e4782112c3fd 78 };
u0068206 0:e4782112c3fd 79
u0068206 0:e4782112c3fd 80 //Set up RPC methods
u0068206 0:e4782112c3fd 81 #ifdef MBED_RPC
u0068206 0:e4782112c3fd 82 template <class T>
u0068206 0:e4782112c3fd 83 const rpc_method *RPCVariable<T>::get_rpc_methods() {
u0068206 0:e4782112c3fd 84 static const rpc_method rpc_methods[] = {
u0068206 0:e4782112c3fd 85 { "read", rpc_method_caller<T, RPCVariable, &RPCVariable::read> },
u0068206 0:e4782112c3fd 86 { "write", rpc_method_caller<RPCVariable, T, &RPCVariable::write> },
u0068206 0:e4782112c3fd 87 RPC_METHOD_SUPER(Base)
u0068206 0:e4782112c3fd 88 };
u0068206 0:e4782112c3fd 89 return rpc_methods;
u0068206 0:e4782112c3fd 90 }
u0068206 0:e4782112c3fd 91 template <class T>
u0068206 0:e4782112c3fd 92 rpc_class *RPCVariable<T>::get_rpc_class() {
u0068206 0:e4782112c3fd 93 static const rpc_function funcs[] = {"new", rpc_function_caller<const char*, T,const char* , &Base::construct<RemoteVar, T ,const char*> >,RPC_METHOD_END};
u0068206 0:e4782112c3fd 94 static rpc_class c = { "RPCVariable", funcs, NULL };
u0068206 0:e4782112c3fd 95 return &c;
u0068206 0:e4782112c3fd 96 }
u0068206 0:e4782112c3fd 97 #endif
u0068206 0:e4782112c3fd 98
u0068206 0:e4782112c3fd 99 //There could be specialisation for integer, to also give increment and decrements
u0068206 0:e4782112c3fd 100
u0068206 0:e4782112c3fd 101
u0068206 0:e4782112c3fd 102 #endif //RPCVARIABLE_H_