hybridgroup.gobot/platforms/gpio/led_driver.go

91 lines
1.5 KiB
Go

package gpio
import (
"github.com/hybridgroup/gobot"
)
type LedDriver struct {
gobot.Driver
High bool
}
func NewLedDriver(a PwmDigitalWriter, name string, pin string) *LedDriver {
l := &LedDriver{
Driver: *gobot.NewDriver(
name,
"LedDriver",
pin,
a.(gobot.AdaptorInterface),
),
High: false,
}
l.AddCommand("Brightness", func(params map[string]interface{}) interface{} {
level := byte(params["level"].(float64))
l.Brightness(level)
return nil
})
l.AddCommand("Toggle", func(params map[string]interface{}) interface{} {
l.Toggle()
return nil
})
l.AddCommand("On", func(params map[string]interface{}) interface{} {
l.On()
return nil
})
l.AddCommand("Off", func(params map[string]interface{}) interface{} {
l.Off()
return nil
})
return l
}
func (l *LedDriver) adaptor() PwmDigitalWriter {
return l.Adaptor().(PwmDigitalWriter)
}
func (l *LedDriver) Start() bool { return true }
func (l *LedDriver) Halt() bool { return true }
func (l *LedDriver) Init() bool { return true }
func (l *LedDriver) IsOn() bool {
return l.High
}
func (l *LedDriver) IsOff() bool {
return !l.IsOn()
}
func (l *LedDriver) On() bool {
l.changeState(1)
l.High = true
return true
}
func (l *LedDriver) Off() bool {
l.changeState(0)
l.High = false
return true
}
func (l *LedDriver) Toggle() {
if l.IsOn() {
l.Off()
} else {
l.On()
}
}
func (l *LedDriver) Brightness(level byte) {
l.adaptor().PwmWrite(l.Pin(), level)
}
func (l *LedDriver) changeState(level byte) {
l.adaptor().DigitalWrite(l.Pin(), level)
}