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Erik Tylek Kettenburg
132
digistump-sam/system/libsam/include/pio.h
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132
digistump-sam/system/libsam/include/pio.h
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/* ----------------------------------------------------------------------------
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* SAM Software Package License
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* ----------------------------------------------------------------------------
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* Copyright (c) 2011-2012, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following condition is met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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#ifndef _PIO_
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#define _PIO_
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/*
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* Headers
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*/
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#include "../chip.h"
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#include <stdint.h>
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/*
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* Global Definitions
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*/
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typedef enum _EPioType
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{
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PIO_NOT_A_PIN, /* Not under control of a peripheral. */
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PIO_PERIPH_A, /* The pin is controlled by the associated signal of peripheral A. */
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PIO_PERIPH_B, /* The pin is controlled by the associated signal of peripheral B. */
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#if (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_)
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PIO_PERIPH_C, /* The pin is controlled by the associated signal of peripheral C. */
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PIO_PERIPH_D, /* The pin is controlled by the associated signal of peripheral D. */
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#endif /* (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_) */
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PIO_INPUT, /* The pin is an input. */
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PIO_OUTPUT_0, /* The pin is an output and has a default level of 0. */
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PIO_OUTPUT_1 /* The pin is an output and has a default level of 1. */
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} EPioType ;
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/* Default pin configuration (no attribute). */
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#define PIO_DEFAULT (0u << 0)
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/* The internal pin pull-up is active. */
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#define PIO_PULLUP (1u << 0)
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/* The internal glitch filter is active. */
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#define PIO_DEGLITCH (1u << 1)
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/* The pin is open-drain. */
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#define PIO_OPENDRAIN (1u << 2)
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/* The internal debouncing filter is active. */
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#define PIO_DEBOUNCE (1u << 3)
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/* Enable additional interrupt modes. */
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#define PIO_IT_AIME (1u << 4)
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/* Interrupt High Level/Rising Edge detection is active. */
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#define PIO_IT_RE_OR_HL (1u << 5)
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/* Interrupt Edge detection is active. */
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#define PIO_IT_EDGE (1u << 6)
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/* Low level interrupt is active */
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#define PIO_IT_LOW_LEVEL (0 | 0 | PIO_IT_AIME)
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/* High level interrupt is active */
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#define PIO_IT_HIGH_LEVEL (PIO_IT_RE_OR_HL | 0 | PIO_IT_AIME)
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/* Falling edge interrupt is active */
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#define PIO_IT_FALL_EDGE (0 | PIO_IT_EDGE | PIO_IT_AIME)
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/* Rising edge interrupt is active */
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#define PIO_IT_RISE_EDGE (PIO_IT_RE_OR_HL | PIO_IT_EDGE | PIO_IT_AIME)
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* The #attribute# field is a bitmask that can either be set to PIO_DEFAULt,
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* or combine (using bitwise OR '|') any number of the following constants:
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* - PIO_PULLUP
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* - PIO_DEGLITCH
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* - PIO_DEBOUNCE
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* - PIO_OPENDRAIN
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* - PIO_IT_LOW_LEVEL
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* - PIO_IT_HIGH_LEVEL
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* - PIO_IT_FALL_EDGE
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* - PIO_IT_RISE_EDGE
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*/
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/*
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* Global Functions
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*/
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extern void PIO_DisableInterrupt( Pio* pPio, const uint32_t dwMask ) ;
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extern void PIO_PullUp( Pio* pPio, const uint32_t dwMask, const uint32_t dwPullUpEnable ) ;
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extern void PIO_SetDebounceFilter( Pio* pPio, const uint32_t dwMask, const uint32_t dwCuttOff ) ;
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extern void PIO_Set( Pio* pPio, const uint32_t dwMask ) ;
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extern void PIO_Clear( Pio* pPio, const uint32_t dwMask ) ;
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extern uint32_t PIO_Get( Pio* pPio, const EPioType dwType, const uint32_t dwMask ) ;
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extern void PIO_SetPeripheral( Pio* pPio, const EPioType dwType, const uint32_t dwMask ) ;
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extern void PIO_SetInput( Pio* pPio, uint32_t dwMask, uint32_t dwAttribute ) ;
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extern void PIO_SetOutput( Pio* pPio, uint32_t dwMask, uint32_t dwDefaultValue,
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uint32_t dwMultiDriveEnable, uint32_t dwPullUpEnable ) ;
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extern uint32_t PIO_Configure( Pio* pPio, const EPioType dwType, const uint32_t dwMask, const uint32_t dwAttribute ) ;
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extern uint32_t PIO_GetOutputDataStatus( const Pio* pPio, const uint32_t dwMask ) ;
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#ifdef __cplusplus
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}
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#endif
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#endif /* #ifndef _PIO_ */
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