brickpi/led.go at master · ev3go/brickpi

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// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

package brickpi

import (

"fmt"

"github.com/ev3go/ev3dev"

)

// LED handles for BrickPi devices.

var (

// Blue1 and Blue2 are the blue LEDs on

// the BrickPi board.

Blue1 = &ev3dev.LED{Name: brickPiLED(1)}

Blue2 = &ev3dev.LED{Name: brickPiLED(2)}

// Green and Red are the green and red LEDs

// on the Raspberry Pi board.

// These LED devices are normally writable

// only by root, so permissions will need

// to be correctly set prior to use.

Green = &ev3dev.LED{Name: raspberryPiLED(0)}

Red = &ev3dev.LED{Name: raspberryPiLED(1)}

)

// brickPiLED is a fmt.Stringer LED name for the BrickPi LEDs.

type brickPiLED int

func (l brickPiLED) String() string { return fmt.Sprintf("led%d:blue:brick-status", l) }

// raspberryPiLED is a fmt.Stringer LED name for the Raspberry Pi LEDs.

type raspberryPiLED int

func (l raspberryPiLED) String() string { return fmt.Sprintf("led%d", l) }