Added NUCLEO-F103RB support
Fork of mbed-rpc by
Diff: RPCVariable.h
- Revision:
- 19:e65ed29fd4d1
- Parent:
- 1:6919289a5946
--- a/RPCVariable.h Mon Jun 13 22:40:45 2016 +0000 +++ b/RPCVariable.h Thu Jun 16 08:37:15 2016 +0000 @@ -82,6 +82,58 @@ return &c; } + +/// Specialisation of the RPCVariable class to handle strings. +/// The class is passed a pointer to the buffer and its size +/// to avoid buffer overruns. +template<> +class RPCVariable<char *>: public RPC { +public: + /** + * Constructor + * + *@param var Pointer to the char buffer used to hold the string being exposed by RPC. + *@param bufSize Size of the buffer in chars. + *@param name The name of that this object will be over RPC + */ + RPCVariable(char *var, int bufSize, const char * name = NULL) : RPC(name), _var(var), _size(bufSize - 1) { + } + + /** + *Read the variable over RPC. + * + *@return The value of the buffer + */ + char * read() { + return (_var); + } + /** + *Write a value to the variable over RPC + * + *@param The value to be written to the buffer. + */ + void write(char *value) { + strncpy(_var, value, _size); + _var[_size] = 0; + } + + + virtual const rpc_method *get_rpc_methods() { + static const rpc_method rpc_methods[] = { + {"read" , rpc_method_caller<char *, RPCVariable, &RPCVariable::read> }, + {"write", rpc_method_caller<RPCVariable, char *, &RPCVariable::write> }, + RPC_METHOD_END + }; + return rpc_methods; + } + +private: + char *_var; + + // Holds the number of chars excluding the terminating null. + int _size; +}; + } #endif //RPCVARIABLE_H_