[][src]Module circuit_playground_express::gpio

Working with GPIO pins. The pins are associated with the PORT hardware. This module defines a split method on the PORT type that is used to safely reference the individual pin configuration. The IO pins can be switched into alternate function modes, which routes the pins to different peripherals depending on the mode for the pin. The pin configuration is reflected through the use of type states to make the interface (ideally, or at least practically) impossible to misuse.

Structs

Floating

Floating Input

Input

Represents a pin configured for input. The MODE type is typically one of Floating, PullDown or PullUp.

OpenDrain

Open drain output

Output

Represents a pin configured for output. The MODE type is typically one of PushPull, or OpenDrain.

Pa0

Represents the IO pin with the matching name.

Pa1

Represents the IO pin with the matching name.

Pa2

Represents the IO pin with the matching name.

Pa3

Represents the IO pin with the matching name.

Pa4

Represents the IO pin with the matching name.

Pa5

Represents the IO pin with the matching name.

Pa6

Represents the IO pin with the matching name.

Pa7

Represents the IO pin with the matching name.

Pa8

Represents the IO pin with the matching name.

Pa9

Represents the IO pin with the matching name.

Pa10

Represents the IO pin with the matching name.

Pa11

Represents the IO pin with the matching name.

Pa12

Represents the IO pin with the matching name.

Pa13

Represents the IO pin with the matching name.

Pa14

Represents the IO pin with the matching name.

Pa15

Represents the IO pin with the matching name.

Pa16

Represents the IO pin with the matching name.

Pa17

Represents the IO pin with the matching name.

Pa18

Represents the IO pin with the matching name.

Pa19

Represents the IO pin with the matching name.

Pa20

Represents the IO pin with the matching name.

Pa21

Represents the IO pin with the matching name.

Pa22

Represents the IO pin with the matching name.

Pa23

Represents the IO pin with the matching name.

Pa24

Represents the IO pin with the matching name.

Pa25

Represents the IO pin with the matching name.

Pa26

Represents the IO pin with the matching name.

Pa27

Represents the IO pin with the matching name.

Pa28

Represents the IO pin with the matching name.

Pa29

Represents the IO pin with the matching name.

Pa30

Represents the IO pin with the matching name.

Pa31

Represents the IO pin with the matching name.

Parts

Holds the GPIO Port peripheral and broken out pin instances

Pb0

Represents the IO pin with the matching name.

Pb1

Represents the IO pin with the matching name.

Pb2

Represents the IO pin with the matching name.

Pb3

Represents the IO pin with the matching name.

Pb4

Represents the IO pin with the matching name.

Pb5

Represents the IO pin with the matching name.

Pb6

Represents the IO pin with the matching name.

Pb7

Represents the IO pin with the matching name.

Pb8

Represents the IO pin with the matching name.

Pb9

Represents the IO pin with the matching name.

Pb10

Represents the IO pin with the matching name.

Pb11

Represents the IO pin with the matching name.

Pb12

Represents the IO pin with the matching name.

Pb13

Represents the IO pin with the matching name.

Pb14

Represents the IO pin with the matching name.

Pb15

Represents the IO pin with the matching name.

Pb16

Represents the IO pin with the matching name.

Pb17

Represents the IO pin with the matching name.

Pb18

Represents the IO pin with the matching name.

Pb19

Represents the IO pin with the matching name.

Pb20

Represents the IO pin with the matching name.

Pb21

Represents the IO pin with the matching name.

Pb22

Represents the IO pin with the matching name.

Pb23

Represents the IO pin with the matching name.

Pb24

Represents the IO pin with the matching name.

Pb25

Represents the IO pin with the matching name.

Pb26

Represents the IO pin with the matching name.

Pb27

Represents the IO pin with the matching name.

Pb28

Represents the IO pin with the matching name.

Pb29

Represents the IO pin with the matching name.

Pb30

Represents the IO pin with the matching name.

Pb31

Represents the IO pin with the matching name.

PfA

Peripheral Function A

PfB

Peripheral Function B

PfC

Peripheral Function C

PfD

Peripheral Function D

PfE

Peripheral Function E

PfF

Peripheral Function F

PfG

Peripheral Function G

PfH

Peripheral Function H

PfI

Peripheral Function I

Port

Opaque port reference

PullDown

Pulled down Input

PullUp

Pulled up Input

PushPull

Totem Pole aka Push-Pull

Traits

GpioExt

The GpioExt trait allows splitting the PORT hardware into its constituent pin parts.

IntoFunction

A trait that makes it easier to generically manage converting a pin from its current state into some other functional mode. The configuration change requires exclusive access to the Port hardware, which is why this isn't simply the standard Into trait.