gobot.io/x/gobot/v2@v2.1.0/examples/raspi_grove_pi_button.go (about)

     1  //go:build example
     2  // +build example
     3  
     4  //
     5  // Do not build by default.
     6  
     7  package main
     8  
     9  import (
    10  	"fmt"
    11  
    12  	"gobot.io/x/gobot/v2"
    13  	"gobot.io/x/gobot/v2/drivers/gpio"
    14  	"gobot.io/x/gobot/v2/drivers/i2c"
    15  	"gobot.io/x/gobot/v2/platforms/raspi"
    16  )
    17  
    18  func main() {
    19  	r := raspi.NewAdaptor()
    20  	gp := i2c.NewGrovePiDriver(r)
    21  	button := gpio.NewButtonDriver(gp, "D3")
    22  	led := gpio.NewLedDriver(gp, "D2")
    23  
    24  	work := func() {
    25  		button.On(gpio.ButtonPush, func(data interface{}) {
    26  			fmt.Println("button pressed")
    27  			led.On()
    28  		})
    29  
    30  		button.On(gpio.ButtonRelease, func(data interface{}) {
    31  			fmt.Println("button released")
    32  			led.Off()
    33  		})
    34  	}
    35  
    36  	robot := gobot.NewRobot("buttonBot",
    37  		[]gobot.Connection{r},
    38  		[]gobot.Device{gp, button, led},
    39  		work,
    40  	)
    41  
    42  	robot.Start()
    43  }