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Arduino/hardware/tools/libchip_sam3s/include/pio.h

102 lines
3.4 KiB
C

#ifndef _PIO_
#define _PIO_
/*
* Headers
*/
#include "chip.h"
#include <stdint.h>
/*
* Global Definitions
*/
typedef enum _EPioType
{
PIO_NOT_A_PIN, /* The pin is controlled by the associated signal of peripheral A. */
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. */
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. */
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_ */