keypad4x4

package

v0.17.1 Latest Latest Go to latest Published: Jul 1, 2021 License: BSD-3-Clause Imports: 1 Imported by: 3

Details

Valid go.mod file

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const NoKeyPressed = 255

NoKeyPressed is used, when no key was pressed

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This section is empty.

type Device interface {
	Configure()
	GetKey() uint8
	GetIndices() (int, int)
}

Device is used as 4x4 keypad driver

func NewDevice(r4, r3, r2, r1, c4, c3, c2, c1 machine.Pin) Device

takes r4 -r1 pins and c4 - c1 pins