hybridgroup.gobot/examples/beaglebone_led_brightness.go

40 lines
694 B
Go

// +build example
//
// Do not build by default.
package main
import (
"time"
"gobot.io/x/gobot"
"gobot.io/x/gobot/drivers/gpio"
"gobot.io/x/gobot/platforms/beaglebone"
)
func main() {
beagleboneAdaptor := beaglebone.NewAdaptor()
led := gpio.NewLedDriver(beagleboneAdaptor, "P9_14")
work := func() {
brightness := uint8(0)
fadeAmount := uint8(5)
gobot.Every(100*time.Millisecond, func() {
led.Brightness(brightness)
brightness = brightness + fadeAmount
if brightness == 0 || brightness == 255 {
fadeAmount = -fadeAmount
}
})
}
robot := gobot.NewRobot("pwmBot",
[]gobot.Connection{beagleboneAdaptor},
[]gobot.Device{led},
work,
)
robot.Start()
}