mirror of https://github.com/kidoman/embd
38 lines
577 B
Go
38 lines
577 B
Go
// +build ignore
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package main
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import (
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"fmt"
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"time"
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"github.com/kidoman/embd"
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"github.com/kidoman/embd/interface/keypad/matrix4x3"
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)
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func main() {
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rowPins := []int{4, 17, 27, 22}
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colPins := []int{23, 24, 25}
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if err := embd.InitGPIO(); err != nil {
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panic(err)
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}
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defer embd.CloseGPIO()
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keypad, err := matrix4x3.New(rowPins, colPins)
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if err != nil {
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panic(err)
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}
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for {
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key, err := keypad.PressedKey()
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if err != nil {
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panic(err)
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}
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if key != matrix4x3.KNone {
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fmt.Printf("Key Pressed = %v\n", key)
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}
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time.Sleep(500 * time.Millisecond)
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}
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}
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