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embd/samples/keypad/matrix4x3.go
2014-02-10 05:10:06 +05:30

28 lines
434 B
Go

package main
import (
"fmt"
"time"
"github.com/kidoman/embd/interface/keypad/matrix4x3"
"github.com/stianeikeland/go-rpio"
)
func main() {
rowPins := []int{4, 17, 27, 22}
colPins := []int{23, 24, 25}
rpio.Open()
defer rpio.Close()
keypad := matrix4x3.New(rowPins, colPins)
for {
if key, err := keypad.PressedKey(); err == nil {
fmt.Printf("Key Pressed = %v\n", key)
}
time.Sleep(500 * time.Millisecond)
}
}