gpio.h

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/* This header file is part of the ATMEL AT32UC3A-SoftwareFramework-1.1.1 Release */

/*This file has been prepared for Doxygen automatic documentation generation.*/
/* Copyright (c) 2007, Atmel Corporation All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. The name of ATMEL may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND
 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
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 */


#ifndef _GPIO_H_
#define _GPIO_H_

#include <avr32/io.h>



#define GPIO_SUCCESS            0 
#define GPIO_INVALID_ARGUMENT   1 




#define GPIO_PIN_CHANGE         0 
#define GPIO_RISING_EDGE        1 
#define GPIO_FALLING_EDGE       2 



typedef struct
{
  unsigned char pin;              
  unsigned char function;         
} gpio_map_t[];


extern int gpio_enable_module(const gpio_map_t gpiomap, unsigned int size);

extern int gpio_enable_module_pin(unsigned int pin, unsigned int function);

extern void gpio_enable_gpio(const gpio_map_t gpiomap, unsigned int size);

extern void gpio_enable_gpio_pin(unsigned int pin);

extern void gpio_enable_pin_open_drain(unsigned int pin);

extern void gpio_disable_pin_open_drain(unsigned int pin);

extern void gpio_enable_pin_pull_up(unsigned int pin);

extern void gpio_disable_pin_pull_up(unsigned int pin);

extern int gpio_get_pin_value(unsigned int pin);

extern int gpio_get_gpio_pin_output_value(unsigned int pin);

extern void gpio_set_gpio_pin(unsigned int pin);

extern void gpio_clr_gpio_pin(unsigned int pin);

extern void gpio_tgl_gpio_pin(unsigned int pin);

extern void gpio_enable_pin_glitch_filter(unsigned int pin);

extern void gpio_disable_pin_glitch_filter(unsigned int pin);

extern int gpio_enable_pin_interrupt(unsigned int pin, unsigned int mode);

extern void gpio_disable_pin_interrupt(unsigned int pin);

extern int gpio_get_pin_interrupt_flag(unsigned int pin);

extern void gpio_clear_pin_interrupt_flag(unsigned int pin);


#endif  // _GPIO_H_

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