sam3_pio.h File Reference

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Defines
#define	PIO_PERIPH_SEL(base, mask, function)
	Set peripheral on I/O ports.
#define	PIOA_BASE   0x400E0E00
	PIO registers base addresses.
#define	PIOB_BASE   0x400E1000
	PIO registers base addresses.
#define	PIOC_BASE   0x400E1200
	PIO registers base addresses.
#define	PIO_PER_OFF   0x00000000
	PIO Register Offsets.
#define	PIO_PDR_OFF   0x00000004
	PIO disable register offset.
#define	PIO_PSR_OFF   0x00000008
	PIO status register offset.
#define	PIO_OER_OFF   0x00000010
	Output enable register offset.
#define	PIO_ODR_OFF   0x00000014
	Output disable register offset.
#define	PIO_OSR_OFF   0x00000018
	Output status register offset.
#define	PIO_IFER_OFF   0x00000020
	Input filter enable register offset.
#define	PIO_IFDR_OFF   0x00000024
	Input filter disable register offset.
#define	PIO_IFSR_OFF   0x00000028
	Input filter status register offset.
#define	PIO_SODR_OFF   0x00000030
	Set output data register offset.
#define	PIO_CODR_OFF   0x00000034
	Clear output data register offset.
#define	PIO_ODSR_OFF   0x00000038
	Output data status register offset.
#define	PIO_PDSR_OFF   0x0000003C
	Pin data status register offset.
#define	PIO_IER_OFF   0x00000040
	Interrupt enable register offset.
#define	PIO_IDR_OFF   0x00000044
	Interrupt disable register offset.
#define	PIO_IMR_OFF   0x00000048
	Interrupt mask register offset.
#define	PIO_ISR_OFF   0x0000004C
	Interrupt status register offset.
#define	PIO_MDER_OFF   0x00000050
	Multi-driver enable register offset.
#define	PIO_MDDR_OFF   0x00000054
	Multi-driver disable register offset.
#define	PIO_MDSR_OFF   0x00000058
	Multi-driver status register offset.
#define	PIO_PUDR_OFF   0x00000060
	Pull-up disable register offset.
#define	PIO_PUER_OFF   0x00000064
	Pull-up enable register offset.
#define	PIO_PUSR_OFF   0x00000068
	Pull-up status register offset.
#define	PIO_OWER_OFF   0x000000A0
	PIO output write enable register offset.
#define	PIO_OWDR_OFF   0x000000A4
	PIO output write disable register offset.
#define	PIO_OWSR_OFF   0x000000A8
	PIO output write status register offset.

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Detailed Description

Author:

Francesco Sacchi <batt@develer.com>

Atmel SAM3 Parallel input/output controller. This file is based on NUT/OS implementation. See license below.

Definition in file sam3_pio.h.

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Define Documentation

#define PIO_PER_OFF   0x00000000

PIO Register Offsets.

PIO enable register offset.

Definition at line 92 of file sam3_pio.h.

#define PIO_PERIPH_SEL	(	base,
		mask,
		function		)

Value:

do { \
        HWREG((base) + PIO_ABSR_OFF) &= ~(mask); \
        if ((function) & 1) \
            HWREG((base) + PIO_ABSR_OFF) |= (mask); \
    } while (0)

Set peripheral on I/O ports.

Parameters:

	base	PIO port base
	mask	mask of I/O pin to manipulate
	function	function to assign to selected pins (PIO_PERIPH_A, B, ...)

Definition at line 394 of file sam3_pio.h.