matrix

package

v0.0.0-...-2ca7a8e Latest Latest Go to latest Published: Jul 24, 2017 License: Apache-2.0 Imports: 6 Imported by: 0

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type Key int

const (
	KNone Key = iota
	K0
	K1
	K2
	K3
	K4
	K5
	K6
	K7
	K8
	K9
	KA
	KB
	KC
	KD
	KStar
	KHash
)

func (k Key) String() string

type Matrix4x4 struct {
	// contains filtered or unexported fields
}

A Matrix4x4 struct represents access to the keypad.

func New(rowPins, colPins []int) (*Matrix4x4, error)

New creates a new interface for matrix4x4.

func (d *Matrix4x4) Close()

Close.

func (d *Matrix4x4) PressedKey() (key Key, err error)

Pressed key returns the current key pressed on the keypad.

func (d *Matrix4x4) SetPollDelay(delay int)

SetPollDelay sets the delay between run of key scan acquisition loop.