2014-03-23 01:55:32 +01:00
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package embd
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type LED interface {
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On() error
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Off() error
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Toggle() error
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Close() error
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}
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type LEDDriver interface {
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LED(key interface{}) (LED, error)
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Close() error
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}
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var ledDriverInstance LEDDriver
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func InitLED() error {
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desc, err := DescribeHost()
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if err != nil {
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return err
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}
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if desc.LEDDriver == nil {
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return ErrFeatureNotSupport
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}
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ledDriverInstance = desc.LEDDriver()
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return nil
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}
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func CloseLED() error {
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return ledDriverInstance.Close()
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}
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func NewLED(key interface{}) (LED, error) {
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return ledDriverInstance.LED(key)
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}
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func LEDOn(key interface{}) error {
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led, err := NewLED(key)
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if err != nil {
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return err
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}
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return led.On()
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}
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func LEDOff(key interface{}) error {
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led, err := NewLED(key)
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if err != nil {
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return err
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}
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return led.Off()
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}
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2014-03-23 02:02:57 +01:00
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func LEDToggle(key interface{}) error {
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led, err := NewLED(key)
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if err != nil {
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return err
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}
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return led.Toggle()
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}
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