141 lines
3.3 KiB
Go
141 lines
3.3 KiB
Go
package rgbled
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import (
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"sync"
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"github.com/go-flucky/flucky/pkg/internal/collect"
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"github.com/go-flucky/flucky/pkg/internal/prittyprint"
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"github.com/go-flucky/flucky/pkg/types"
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)
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// Blue makes all RGB-LEDs which are passed as parameters light up blue.
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func Blue(rgbLEDs []RGBLED) error {
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color := types.LEDColorBlue
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if err := operate(rgbLEDs, true, color); err != nil {
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return err
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}
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return nil
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}
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// CustomColor makes all RGB-LEDs which are passed as parameters light up in
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// custom color.
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func CustomColor(rgbLEDs []RGBLED, color types.LEDColor) error {
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if err := operate(rgbLEDs, true, color); err != nil {
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return err
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}
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return nil
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}
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// Green makes all RGB-LEDs which are passed as parameters light up in green.
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func Green(rgbLEDs []RGBLED) error {
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color := types.LEDColorGreen
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if err := operate(rgbLEDs, true, color); err != nil {
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return err
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}
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return nil
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}
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// Off turns all RGB-LEDs which are passes as parameters off.
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func Off(rgbLEDs []RGBLED) error {
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color := types.LEDColorNone
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if err := operate(rgbLEDs, false, color); err != nil {
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return err
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}
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return nil
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}
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// Purple makes all RGB-LEDs which are passed as parameters light up in purple.
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func Purple(rgbLEDs []RGBLED) error {
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color := types.LEDColorPurple
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if err := operate(rgbLEDs, true, color); err != nil {
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return err
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}
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return nil
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}
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// Red makes all RGB-LEDs which are passed as parameters light up in red.
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func Red(rgbLEDs []RGBLED) error {
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color := types.LEDColorRed
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if err := operate(rgbLEDs, true, color); err != nil {
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return err
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}
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return nil
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}
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// Turquoise makes all RGB-LEDs which are passed as parameters light up in
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// turquoise.
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func Turquoise(rgbLEDs []RGBLED) error {
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color := types.LEDColorTurquoise
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if err := operate(rgbLEDs, true, color); err != nil {
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return err
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}
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return nil
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}
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// White makes all RGB-LEDs which are passed as parameters light up in white.
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func White(rgbLEDs []RGBLED) error {
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color := types.LEDColorWhite
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if err := operate(rgbLEDs, true, color); err != nil {
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return err
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}
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return nil
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}
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// Yellow makes all RGB-LEDs which are passed as parameters light up in yellow.
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func Yellow(rgbLEDs []RGBLED) error {
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color := types.LEDColorYellow
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if err := operate(rgbLEDs, true, color); err != nil {
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return err
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}
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return nil
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}
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func operate(rgbLEDs []RGBLED, on bool, color types.LEDColor) error {
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errorChannel := make(chan error, len(rgbLEDs))
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wg := new(sync.WaitGroup)
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wg.Add(len(rgbLEDs))
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for _, rgbLED := range rgbLEDs {
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go func(rgbLED RGBLED, color types.LEDColor, on bool, errorChannel chan<- error, wg *sync.WaitGroup) {
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defer wg.Done()
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var err error
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switch color {
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case types.LEDColorBlue:
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err = rgbLED.Blue(on)
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case types.LEDColorGreen:
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err = rgbLED.Green(on)
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case types.LEDColorPurple:
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err = rgbLED.Purple(on)
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case types.LEDColorNone:
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err = rgbLED.Off()
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case types.LEDColorRed:
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err = rgbLED.Red(on)
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case types.LEDColorTurquoise:
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err = rgbLED.Turquoise(on)
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case types.LEDColorWhite:
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err = rgbLED.White(on)
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case types.LEDColorYellow:
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err = rgbLED.Yellow(on)
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default:
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err = rgbLED.Off()
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}
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if err != nil {
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errorChannel <- err
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}
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}(rgbLED, color, on, errorChannel, wg)
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}
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wg.Wait()
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errors := collect.Errors(errorChannel)
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if len(errors) > 0 {
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return prittyprint.FormatErrors(errors)
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}
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return nil
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}
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