hybridgroup.gobot/examples/firmata_led_brightness.go

40 lines
726 B
Go

package main
import (
"time"
"github.com/hybridgroup/gobot"
"github.com/hybridgroup/gobot/drivers/gpio"
"github.com/hybridgroup/gobot/platforms/firmata"
)
func main() {
gbot := gobot.NewMaster()
firmataAdaptor := firmata.NewAdaptor("/dev/ttyACM0")
led := gpio.NewLedDriver(firmataAdaptor, "3")
work := func() {
brightness := uint8(0)
fadeAmount := uint8(15)
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{firmataAdaptor},
[]gobot.Device{led},
work,
)
gbot.AddRobot(robot)
gbot.Start()
}