hybridgroup.gobot/examples/raspi_led_brightness.go

42 lines
665 B
Go

//go:build example
// +build example
//
// Do not build by default.
package main
import (
"time"
"gobot.io/x/gobot/v2"
"gobot.io/x/gobot/v2/drivers/gpio"
"gobot.io/x/gobot/v2/platforms/raspi"
)
func main() {
r := raspi.NewAdaptor()
led := gpio.NewLedDriver(r, "pwm0")
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{r},
[]gobot.Device{led},
work,
)
robot.Start()
}