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Base Class Reference

The base class for most things. More...

#include <Base.h>

Inherited by AnalogIn, AnalogOut, BusIn, BusInOut, BusOut, CAN, DigitalIn, DigitalInOut, DigitalOut, Ethernet, FileLike, FileSystemLike, I2C, I2CSlave, InterruptIn, PwmOut, SPI, SPISlave, and Timer.

Public Member Functions

void register_object (const char *name)
 Registers this object with the given name, so that it can be looked up with lookup.
const char * name ()
 Returns the name of the object.
virtual bool rpc (const char *method, const char *arguments, char *result)
 Call the given method with the given arguments, and write the result into the string pointed to by result.
virtual struct rpc_method * 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).

Static Public Member Functions

static bool rpc (const char *name, const char *method, const char *arguments, char *result)
 Use the lookup function to lookup an object and, if successful, call its rpc method.
static Baselookup (const char *name, unsigned int len)
 Lookup and return the object that has the given name.
template<class C >
static void 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).

Detailed Description

The base class for most things.

Definition at line 31 of file Base.h.


Member Function Documentation

static void add_rpc_class (  ) [static]

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).

Definition at line 143 of file Base.h.

virtual struct rpc_method* get_rpc_methods (  ) [read, virtual]

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 Base {
     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(Base)
         };
         return rpc_methods;
     }
 };

Reimplemented in AnalogIn, AnalogOut, BusIn, BusInOut, BusOut, DigitalIn, DigitalInOut, DigitalOut, PwmOut, Serial, SPI, and Timer.

static Base* lookup ( const char *  name,
unsigned int  len 
) [static]

Lookup and return the object that has the given name.

Parameters:
namethe name to lookup.
lenthe length of name.
const char* name (  )

Returns the name of the object.

Returns:
The name of the object, or NULL if it has no name.
void register_object ( const char *  name )

Registers this object with the given name, so that it can be looked up with lookup.

If this object has already been registered, then this just changes the name.

Parameters:
nameThe name to give the object. If NULL we do nothing.
static bool rpc ( const char *  name,
const char *  method,
const char *  arguments,
char *  result 
) [static]

Use the lookup function to lookup an object and, if successful, call its rpc method.

Returns:
false if name does not correspond to an object, otherwise the return value of the call to the object's rpc method.
virtual bool rpc ( const char *  method,
const char *  arguments,
char *  result 
) [virtual]

Call the given method with the given arguments, and write the result into the string pointed to by result.

The default implementation calls rpc_methods to determine the supported methods.

Parameters:
methodThe name of the method to call.
argumentsA list of arguments separated by spaces.
resultA pointer to a string to write the result into. May be NULL, in which case nothing is written.
Returns:
true if method corresponds to a valid rpc method, or false otherwise.