func (this *LedArray) Store(address, value iris16.Word) error {
if address == (this.base + commandCell) {
cmd := ledCommand(value)
if cmd >= numLedCommands {
return fmt.Errorf("Illegal unicornhat opcode %x", cmd)
} else {
switch cmd {
case ledCommandClear:
unicornhat.ClearLEDBuffer()
case ledCommandSetPixel:
if pos, err := unicornhat.PixelPosition(int(this.x), int(this.y)); err != nil {
return err
} else {
unicornhat.SetPixelColor(pos, byte(this.red), byte(this.green), byte(this.blue))
}
case ledCommandGetPixel:
if pos, err := unicornhat.PixelPosition(int(this.x), int(this.y)); err != nil {
return err
} else {
pix := unicornhat.GetPixelColor(pos)
this.red, this.green, this.blue = iris16.Word(pix.R), iris16.Word(pix.G), iris16.Word(pix.B)
}
case ledCommandSetBrightness:
setBrightness(this.brightness)
case ledCommandGetBrightness:
this.brightness = getBrightness()
case ledCommandShow:
unicornhat.Show()
}
return nil
}
} else if address == (this.base + brightnessCell) {
setBrightness(value)
return nil
} else if address == (this.base + xCell) {
this.x = value
return nil
} else if address == (this.base + yCell) {
this.y = value
return nil
} else if address == (this.base + redChannel) {
this.red = value
return nil
} else if address == (this.base + blueChannel) {
this.blue = value
return nil
} else if address == (this.base + greenChannel) {
this.green = value
return nil
} else {
return fmt.Errorf("Illegal address %x provided!", address)
}
}
func getBrightness() iris16.Word {
return iris16.Word(unicornhat.GetBrightness())
}