Module sam4l::gpio

Implementation of the GPIO controller.

Reexports

use self::Pin::*;

use core::cell::Cell;

use core::ops::Index;

use core::ops::IndexMut;

use core::sync::atomic::AtomicUsize;

use core::sync::atomic::Ordering;

use kernel::common::VolatileCell;

use kernel::hil;

Structs

GPIOPin
Port	GPIO port that manages 32 pins.
Register
RegisterRC
Registers

Enums

PeripheralFunction	Peripheral functions that may be assigned to a GPIOPin.
Pin	Name of the GPIO pin on the SAM4L.

Constants

BASE_ADDRESS
SIZE

Statics

INTERRUPT_COUNT	Reference count for the number of GPIO interrupts currently active.
PA	Port A
PB	Port B
PC	Port C