Example #1
0
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)
	}
}
Example #2
0
func getBrightness() iris16.Word {
	return iris16.Word(unicornhat.GetBrightness())
}