Re: [Boost-users] [asio] serial_port question

Subject: Re: [Boost-users] [asio] serial_port question
From: Michael Caisse (boost_at_[hidden])
Date: 2009-08-25 22:04:32

Whoops ... forgot to start the read again in the completion handler.
"Fixed" below.

Michael Caisse wrote:
>
>
>
> void my_message_maker::read_start()
> {
>   serial_port.async_read_some( boost::asio::buffer( in_message, 
> MAX_MESSAGE_SIZE ),
>                                boost::bind( &my_message_maker::read_done,
>                                             this,
>                                             
> boost::asio::placeholders::error,
>                                             
> boost::asio::placeholders::bytes_transferred ) );
> }
>
>
> void my_message_maker::read_done( const boost::system::error_code& error,
>                                  int bytes_transferred )
> {
>   if( !error )
>   {
>      for( int i=0; i < bytes_transferred; ++i )
>      {
>         if( in_message[ i ] == STX )
>         {
>            my_message.clear();
>         }
>         else if( in_message[ i ] == ETX )
>         {
>            make_callback( my_message );
>         }
>         else
>         {
>            my_message += in_message[ i ];
>         }
          read_start();
       }

>   }
>   else
>   {
>      close_port( error );
>   }
> }
>
>

-- 
----------------------------------
Michael Caisse
Object Modeling Designs
www.objectmodelingdesigns.com