dhgdh
Dependencies: MAX44000 PWM_Tone_Library nexpaq_mdk
Fork of LED_Demo by
mbd_os/libraries/rpc/rpc.h
- Committer:
- nexpaq
- Date:
- 2016-09-17
- Revision:
- 1:55a6170b404f
File content as of revision 1:55a6170b404f:
/* 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 RPC_H #define RPC_H #include "mbed.h" #include "Arguments.h" namespace mbed { #define RPC_MAX_STRING 128 struct rpc_function { const char *name; void (*function_caller)(Arguments*, Reply*); }; struct rpc_class { const char *name; const rpc_function *static_functions; struct rpc_class *next; }; /* Class RPC * The RPC class for most things */ class RPC { public: RPC(const char *name = NULL); virtual ~RPC(); /* Function get_rpc_methods * Returns a pointer to an array describing the rpc methods * supported by this object, terminated by either * RPC_METHOD_END or RPC_METHOD_SUPER(Superclass). * * Example * > class Example : public RPC { * > int foo(int a, int b) { return a + b; } * > virtual const struct rpc_method *get_rpc_methods() { * > static const rpc_method rpc_methods[] = { * > { "foo", generic_caller<int, Example, int, int, &Example::foo> }, * > RPC_METHOD_SUPER(RPC) * > }; * > return rpc_methods; * > } * > }; */ virtual const struct rpc_method *get_rpc_methods(); static bool call(const char *buf, char *result); /* Function lookup * Lookup and return the object that has the given name. * * Variables * name - the name to lookup. */ static RPC *lookup(const char *name); protected: static RPC *_head; RPC *_next; char *_name; bool _from_construct; private: static rpc_class *_classes; static const rpc_function _RPC_funcs[]; static rpc_class _RPC_class; void delete_self(); static void list_objs(Arguments *args, Reply *result); static void clear(Arguments *args, Reply *result); public: /* Function add_rpc_class * Add the class to the list of classes which can have static * methods called via rpc (the static methods which can be called * are defined by that class' get_rpc_class() static method). */ template<class C> static void add_rpc_class() { rpc_class *c = C::get_rpc_class(); c->next = _classes; _classes = c; } template<class C> static const char *construct() { RPC *p = new C(); p->_from_construct = true; return p->_name; } template<class C, typename A1> static const char *construct(A1 arg1) { RPC *p = new C(arg1); p->_from_construct = true; return p->_name; } template<class C, typename A1, typename A2> static const char *construct(A1 arg1, A2 arg2) { RPC *p = new C(arg1, arg2); p->_from_construct = true; return p->_name; } template<class C, typename A1, typename A2, typename A3> static const char *construct(A1 arg1, A2 arg2, A3 arg3) { RPC *p = new C(arg1, arg2, arg3); p->_from_construct = true; return p->_name; } template<class C, typename A1, typename A2, typename A3, typename A4> static const char *construct(A1 arg1, A2 arg2, A3 arg3, A4 arg4) { RPC *p = new C(arg1, arg2, arg3, arg4); p->_from_construct = true; return p->_name; } }; /* Macro MBED_OBJECT_NAME_MAX * The maximum size of object name (including terminating null byte) * that will be recognised when using fopen to open a FileLike * object, or when using the rpc function. */ #define MBED_OBJECT_NAME_MAX 32 /* Macro MBED_METHOD_NAME_MAX * The maximum size of rpc method name (including terminating null * byte) that will be recognised by the rpc function (in rpc.h). */ #define MBED_METHOD_NAME_MAX 32 /* Function rpc_method_caller */ template<class T, void(T::*member)(const char *, char *)> void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) { (static_cast<T*>(this_ptr)->*member)(arguments, result); } /* Function rpc_method_caller */ template<class T, void(T::*member)()> void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) { (static_cast<T*>(this_ptr)->*member)(); } /* Function rpc_method_caller */ template<class T, typename A1, void(T::*member)(A1)> void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) { A1 arg1 = arguments->getArg<A1>(); (static_cast<T*>(this_ptr)->*member)(arg1); } /* Function rpc_method_caller */ template<class T, typename A1, typename A2, void(T::*member)(A1, A2)> void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) { A1 arg1 = arguments->getArg<A1>(); A2 arg2 = arguments->getArg<A2>(); (static_cast<T*>(this_ptr)->*member)(arg1, arg2); } /* Function rpc_method_caller */ template<class T, typename A1, typename A2, typename A3, void(T::*member)(A1, A2, A3)> void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) { A1 arg1 = arguments->getArg<A1>(); A2 arg2 = arguments->getArg<A2>(); A3 arg3 = arguments->getArg<A3>(); (static_cast<T*>(this_ptr)->*member)(arg1, arg2, arg3); } /* Function rpc_method_caller */ template<typename R, class T, R(T::*member)()> void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) { R res = (static_cast<T*>(this_ptr)->*member)(); result->putData<R>(res); } /* Function rpc_method_caller */ template<typename R, class T, typename A1, R(T::*member)(A1)> void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) { A1 arg1 = arguments->getArg<A1>(); R res = (static_cast<T*>(this_ptr)->*member)(arg1); result->putData<R>(res); } /* Function rpc_method_caller */ template<typename R, class T, typename A1, typename A2, R(T::*member)(A1, A2)> void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) { A1 arg1 = arguments->getArg<A1>(); A2 arg2 = arguments->getArg<A2>(); R res = (static_cast<T*>(this_ptr)->*member)(arg1, arg2); result->putData<R>(res); } /* Function rpc_method_caller */ template<typename R, class T, typename A1, typename A2, typename A3, R(T::*member)(A1, A2, A3)> void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) { A1 arg1 = arguments->getArg<A1>(); A2 arg2 = arguments->getArg<A2>(); A3 arg3 = arguments->getArg<A3>(); R res = (static_cast<T*>(this_ptr)->*member)(arg1, arg2, arg3); result->putData<R>(res); } /* Function rpc_function caller */ template<typename R, R(*func)()> void rpc_function_caller(Arguments *arguments, Reply *result) { R res = (*func)(); result->putData<R>(res); } /* Function rpc_function caller */ template<typename R, typename A1, R(*func)(A1)> void rpc_function_caller(Arguments *arguments, Reply *result) { A1 arg1 = arguments->getArg<A1>(); R res = (*func)(arg1); result->putData<R>(res); } /* Function rpc_function caller */ template<typename R, typename A1, typename A2, R(*func)(A1, A2)> void rpc_function_caller(Arguments *arguments, Reply *result) { A1 arg1 = arguments->getArg<A1>(); A2 arg2 = arguments->getArg<A2>(); R res = (*func)(arg1, arg2); result->putData<R>(res); } /* Function rpc_function caller */ template<typename R, typename A1, typename A2, typename A3, R(*func)(A1, A2, A3)> void rpc_function_caller(Arguments *arguments, Reply *result) { A1 arg1 = arguments->getArg<A1>(); A2 arg2 = arguments->getArg<A2>(); A3 arg3 = arguments->getArg<A3>(); R res = (*func)(arg1, arg2, arg3); result->putData<R>(res); } /* Function rpc_function caller */ template<typename R, typename A1, typename A2, typename A3, typename A4, R(*func)(A1, A2, A3, A4)> void rpc_function_caller(Arguments *arguments, Reply *result) { A1 arg1 = arguments->getArg<A1>(); A2 arg2 = arguments->getArg<A2>(); A3 arg3 = arguments->getArg<A3>(); A4 arg4 = arguments->getArg<A4>(); R res = (*func)(arg1, arg2, arg3, arg4); result->putData<R>(res); } struct rpc_method { const char *name; typedef void (*method_caller_t)(RPC*, Arguments*, Reply*); typedef const struct rpc_method *(*super_t)(RPC*); union { method_caller_t method_caller; super_t super; }; }; template<class C> const struct rpc_method *rpc_super(RPC *this_ptr) { return static_cast<C*>(this_ptr)->C::get_rpc_methods(); } #define RPC_METHOD_END { NULL, NULL } #define RPC_METHOD_SUPER(C) { NULL, (rpc_method::method_caller_t)rpc_super<C> } } // namespace mbed #endif