Example #1
0
func (um *UnicornManager) Stop() {
	for i := 0; i < 64; i++ {
		unicornhat.SetPixelColor(uint(i), 0, 0, 0)
	}
	unicornhat.Show()
	unicornhat.Shutdown(0)
}
Example #2
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 #3
0
func main() {
	flag.Parse()
	delay := time.Duration(*msecdelay)
	var cpus []*µcore
	var memory Memory
	runtime.GOMAXPROCS(runtime.NumCPU())
	defer unicornhat.Shutdown()
	unicornhat.SetBrightness(unicornhat.DefaultBrightness / 2)
	if err := unicornhat.Initialize(); err != nil {
		fmt.Println(err)
		return
	}
	unicornhat.ClearLEDBuffer()
	unicornhat.Show()
	cpus = make([]*µcore, NumCpus)
	memory = make(Memory, MemSize)
	logPrint("Randomizing memory")
	for i, j := 0, 0; i < len(memory); i, j = i+4, j+1 {
		memory[i+red] = 0
		memory[i+blue] = 0
		memory[i+green] = 0
		if *xmas {
			offset := red
			if rand.Int()%2 == 0 {
				offset = red
			} else {
				offset = green
			}
			memory[i+offset] = byte(j + rand.Int())
		} else if *gscale {
			intensity := byte(j * rand.Int())
			memory[i+red] = intensity
			memory[i+green] = intensity
			memory[i+blue] = intensity
		} else if *purple {
			intensity := byte(j + rand.Int())
			memory[i+red] = intensity
			memory[i+blue] = intensity
		} else if *blueOnly {
			memory[i+blue] = byte(j + rand.Int())
		} else {
			memory[i+red] = byte(j + rand.Int())
			memory[i+green] = byte(j + rand.Int())
			memory[i+blue] = byte(j + rand.Int())
		}
		if *drainfill {
			if val := byte(j * rand.Int()); val%2 == 0 {
				memory[i+control] = OpFill
			} else {
				memory[i+control] = OpDrain
			}
		} else {
			memory[i+control] = byte(j + rand.Int())
		}
		//logPrint(fmt.Sprintf("@%d = {%d, %d, %d}", i, memory[i+red], memory[i+green], memory[i+blue]))
	}
	logPrint("Done randomizing memory")
	upperHalf := memory
	for i := 0; i < 64; i++ {
		targetMem := upperHalf[:µcoreSize]
		cpus[i] = New(i, targetMem)
		go cpus[i].Execute()
		upperHalf = upperHalf[µcoreSize:]
	}

	count := 0
	for {
		if count >= 64 {
			break
		}
		for i := 0; i < 64; i++ {
			if c := cpus[i]; c == nil {
				continue
			} else {
				select {
				case value := <-c.result:
					unicornhat.SetPixelColor(c.index, value.R, value.G, value.B)
				case <-c.done:
					count++
					cpus[i] = nil
				default:
				}
			}
		}
		unicornhat.Show()
		MillisecondDelay(delay)
	}
}
Example #4
0
func (um *UnicornManager) SetPixelColor(p *Pixel) {
	unicornhat.SetPixelColor(p.pos, p.r, p.b, p.g)
	unicornhat.Show()
}