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Factorised stream device structure to reduce memory usage....
Factorised stream device structure to reduce memory usage. Improved Graphical terminal for multi instances.

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streamdevices.h
72 lines | 2.0 KiB | text/x-c | CLexer
/*------------------------------------------------------------------------------
-- This file is a part of the libuc, microcontroler library
-- Copyright (C) 2012, Alexis Jeandet
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-------------------------------------------------------------------------------
-- Author : Alexis Jeandet
-- Mail : alexis.jeandet@gmail.com
-------------------------------------------------------------------------------*/
#ifndef STREAMDEVICES_H
#define STREAMDEVICES_H
#include <uhandle.h>
#include <stdint.h>
typedef struct streamdevice* streamdeviceptr;
struct streamdevice_ops;
typedef volatile struct streamdevice
{
struct streamdevice_ops* ops;
volatile uint32_t streamPt;
volatile UHANDLE _stream;
volatile uint32_t mode;
}streamdevice;
typedef struct streamdevice_ops
{
int (*write)(streamdevice* device,void* data,int size, int n);
int (*read)(streamdevice* device,void* data,int size, int n);
int (*setpos)(streamdevice* device,int pos);
int (*close)(streamdevice* device);
}streamdevice_ops;
typedef int (*write_t)(streamdeviceptr device,void* data,int size, int n);
typedef int (*read_t)(streamdeviceptr device,void* data,int size, int n);
typedef int (*setpos_t)(streamdeviceptr device,int pos);
typedef int (*close_t)(streamdeviceptr device);
#endif