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/* Target dependent code for ARC processor family, for GDB, the GNU debugger.
Copyright 2008, 2009 Free Software Foundation, Inc.
Contributed by ARC International (www.arc.com)
Authors:
Richard Stuckey <richard.stuckey@arc.com>
This file is part of GDB.
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, see <http://www.gnu.org/licenses/>. */
/******************************************************************************/
/* */
/* Outline: */
/* This module implements a dummy set of operations for reading data from */
/* / writing data to a parallel port using a GPIO (General Purpose Input/ */
/* Output) driver. */
/* */
/* It is useful for testing when no hardware target is available. */
/* */
/******************************************************************************/
#include "arc-gpio.h"
/* -------------------------------------------------------------------------- */
/* externally visible data */
/* -------------------------------------------------------------------------- */
/* This is set to TRUE if an I/O error occurs in accessing the port.
(This never happens in this dummy module). */
Boolean gpio_port_error;
/* -------------------------------------------------------------------------- */
/* externally visible functions */
/* -------------------------------------------------------------------------- */
/* Initialization of the GPIO interface. */
Boolean
gpio_open (void)
{
gpio_port_error = FALSE;
return TRUE;
}
/* Close the GPIO interface. */
void
gpio_close (void)
{
}
/* Write a byte of data to the given port. */
void
gpio_write (ParallelPort port, Byte data)
{
}
/* Read a byte of data from the given port. */
Byte
gpio_read (ParallelPort port)
{
return 0;
}
/* Write a series of bytes of data to the ports. */
void
gpio_write_array (GPIO_Pair array[], unsigned int num_elements)
{
}
/******************************************************************************/
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