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 (this *LedArray) Startup() error {
if this.initialized {
return fmt.Errorf("Attempted to startup the led array a second time!")
} else {
if !unicornhatInitialized {
unicornhat.SetBrightness(unicornhat.DefaultBrightness / 2)
if err := unicornhat.Initialize(); err != nil {
return err
}
unicornhat.ClearLEDBuffer()
unicornhat.Show()
unicornhatInitialized = true
}
this.initialized = true
return nil
}
}
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)
}
}
func (um *UnicornManager) init() {
unicornhat.SetBrightness(unicornhat.DefaultBrightness())
unicornhat.Init(64)
unicornhat.ClearLEDBuffer()
}