gobot.io/x/gobot@v1.16.0/examples/chip_grove_lcd.go (about)

     1  // +build example
     2  //
     3  // Do not build by default.
     4  
     5  package main
     6  
     7  import (
     8  	"time"
     9  
    10  	"gobot.io/x/gobot"
    11  	"gobot.io/x/gobot/drivers/i2c"
    12  	"gobot.io/x/gobot/platforms/chip"
    13  )
    14  
    15  func main() {
    16  	board := chip.NewAdaptor()
    17  	screen := i2c.NewGroveLcdDriver(board)
    18  
    19  	work := func() {
    20  		screen.Write("hello")
    21  
    22  		screen.SetRGB(255, 0, 0)
    23  
    24  		gobot.After(5*time.Second, func() {
    25  			screen.Clear()
    26  			screen.Home()
    27  			screen.SetRGB(0, 255, 0)
    28  			// set a custom character in the first position
    29  			screen.SetCustomChar(0, i2c.CustomLCDChars["smiley"])
    30  			// add the custom character at the end of the string
    31  			screen.Write("goodbye\nhave a nice day " + string(byte(0)))
    32  			gobot.Every(500*time.Millisecond, func() {
    33  				screen.Scroll(false)
    34  			})
    35  		})
    36  
    37  		screen.Home()
    38  		time.Sleep(1 * time.Second)
    39  		screen.SetRGB(0, 0, 255)
    40  	}
    41  
    42  	robot := gobot.NewRobot("screenBot",
    43  		[]gobot.Connection{board},
    44  		[]gobot.Device{screen},
    45  		work,
    46  	)
    47  
    48  	robot.Start()
    49  }