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/*------------------------------------------------------------------------------
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-- This file is a part of the LPP VHDL IP LIBRARY
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-- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------
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-- Author : Martin Morlot
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-- Mail : martin.morlot@lpp.polytechnique.fr
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-----------------------------------------------------------------------------*/
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#ifndef APB_GPIO_DRIVER_H
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#define APB_GPIO_DRIVER_H
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/*! \file apb_gpio_Driver.h
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\brief Gaisler GPIO driver.
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This library is written to work with Gaisler GPIO VHDL module.
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\author Martin Morlot martin.morlot@lpp.polytechnique.fr
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*/
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/*===================================================
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T Y P E S D E F
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====================================================*/
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/*! \struct GPIO_REG
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\brief Sturcture representing the gpio registers
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*/
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struct GPIO_REG
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{
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int Din; /**< \brief Input GPIO register */
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int Dout; /**< \brief Output GPIO register */
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int oen; /**< \brief Enable GPIO register */
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};
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typedef volatile struct GPIO_REG GPIO_Device;
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/*===================================================
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F U N C T I O N S
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====================================================*/
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/*! \fn GPIO_Device* openGPIO(int count);
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\brief Return count GPIO.
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This Function scans APB devices table and returns count GPIO.
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\param count The number of the GPIO you whant to get. For example if you have 3 GPIOs on your SOC you want
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to use GPIO1 so count = 1.
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\return The pointer to the device.
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*/
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GPIO_Device* openGPIO(int count);
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#endif
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