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