Merge branch 'master' of repos.ctdo.de:ctdo/dfi-led-matrix
This commit is contained in:
Lucas Pleß
commit
12c6ef61a0
4 changed files with 166 additions and 136 deletions
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@ -18,7 +18,6 @@ class MatrixSender(object):
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global threadrunning
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threadrunning=False
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def __init__(self, udphost, udpport, img_size=(160,48), bitsperpixel=1):
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self._udphost = udphost
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@ -31,58 +30,21 @@ class MatrixSender(object):
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self._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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def _list2byte(self, l):
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byte = 0
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i = 0
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for i in range(8):
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byte += 2**(7-i) if l[i] else 0
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return byte
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def _array2packet(self, a):
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return [self._list2byte(a[i*8:i*8+8]) for i in range(int(len(a)/8))]
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def _intToBitlist(self,number): #convert integer number to list of bits, exampe: 1-> [0,1], 2->[1,0]
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bitlistvaryinglength=[x for x in "{0:b}".format(number)]
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bitlist=np.zeros(self.bitsperpixel,dtype=int)
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bitlist[self.bitsperpixel-len(bitlistvaryinglength):]=bitlistvaryinglength
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return bitlist
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def send(self, image,invert=False): #changes slowly 'fadespeed'-pixels at a time
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def send(self, image,invert=False):
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global threadrunning
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imgmap = []
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sendbyte=0
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senddata=bytearray()
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pixelofbyte=0
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for pixel in image.getdata():
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r, g, b, a = pixel
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pixelbrightness=int( (r+g+b)/3 *(pow(2,self.bitsperpixel)-1) /255 +0.5)
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sendbyte+=pixelbrightness<<(pixelofbyte*self.bitsperpixel)
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pixelofbyte+=1
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if pixelofbyte>=(8/self.bitsperpixel):
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pixelofbyte=0
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senddata.append(sendbyte)
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sendbyte=0
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if invert:
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pixelbrightness=pow(2,self.bitsperpixel)-1-pixelbrightness
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for b in self._intToBitlist(pixelbrightness):
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imgmap.append(b)
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self.sendPacket(imgmap) #send packet and save last-imagemap
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def sendPacket(self, imgmap):
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packet = self._array2packet(imgmap)
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self._sock.sendto(bytes(packet), (self._udphost, self._udpport))
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def send_bytes(self, img):
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imgmap = []
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for pixel in img:
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if pixel == "1":
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imgmap.append(1)
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else:
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imgmap.append(0)
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if len(img) < 1280:
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imgmap = np.hstack((imgmap, np.zeros(1280-len(img), dtype=int)))
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packet = self._array2packet(imgmap)
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self._sock.sendto(bytes(packet), (self._udphost, self._udpport))
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self._sock.sendto(bytes(senddata), (self._udphost, self._udpport))
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@ -17,6 +17,8 @@ DEBUG=True
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BITSPERPIXEL=2
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class FlipdotSim():
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def __init__(self,
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imageSize = (160,48), #80,16
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@ -30,82 +32,30 @@ class FlipdotSim():
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self.udpHostSocket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
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self.udpHostSocket.bind(("", self.udpPort))
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self.timesincelastpacket=time.time()
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self.timelastcalculation=0
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self.time_receivedpacket=0
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self.bitsneeded=self.imageSize[0]*self.imageSize[1]*self.bitsperpixel
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def run(self):
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self.RunServer()
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def bitlistToInt(self,bitlist): #lsb last, [1,0]=2, [0,1]=1
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number=0
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for bitindex,bitvalue in enumerate(reversed(bitlist)):
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number+=bitvalue*pow(2,bitindex)
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return number
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def RunServer(self):
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try:
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while True:
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#rawData = self.udpHostSocket.recv(4096)
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rawData = self.udpHostSocket.recv(4096*2)
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_fps=1/(time.time()-self.time_receivedpacket)
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self.time_receivedpacket=time.time()
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imageArray = ImageArrayAdapter().convertPacketToImageArray(rawData)
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if DEBUG:
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print("Received Data. Time since last message: "+str( round( time.time()-self.timesincelastpacket,2))+"s ("+str( round( (1/ (time.time()-self.timesincelastpacket) ) ,2) ) +" FPS), last calctime="+str(round( (self.timelastcalculation) ,2)))
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self.timesincelastpacket=time.time()
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_bitsneeded=self.imageSize[0]*self.imageSize[1]*self.bitsperpixel
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if len(imageArray) < _bitsneeded:
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if DEBUG:
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print("WARNING: Not enough data received. Got "+str(len(imageArray))+" bits, needs "+str(_bitsneeded)+" bits")
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emptyArray=np.zeros(_bitsneeded,dtype=int)
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emptyArray[0:len(imageArray)]=imageArray
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imageArray=emptyArray
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elif len(imageArray) > _bitsneeded:
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if DEBUG:
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print("WARNING: Too much data received. Got "+str(len(imageArray))+" bits, needs "+str(_bitsneeded)+" bits")
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imageArray=imageArray[0:_bitsneeded]
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self.flipdotMatrixSimulatorWidget.showFromRawData(rawData) #send to simulator display
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imageArray=[self.bitlistToInt(x) for x in np.array(imageArray).reshape((int(len(imageArray)/self.bitsperpixel),self.bitsperpixel))]
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self.flipdotMatrixSimulatorWidget.show(imageArray) #send to simulator display
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self.timelastcalculation=time.time()-self.timesincelastpacket #calculate time it took for calculation and drawing
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calctime=time.time()-self.time_receivedpacket
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print(str(round(calctime,4))+"s, maxFPS="+str(round(1/calctime,2))+", actual FPS="+str(round(_fps,2))) #calculate time it took for calculation and drawing
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finally:
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self.udpHostSocket.close()
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class ImageArrayAdapter():
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def __init__(self):
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self.arrayOfBinaryInts = []
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def convertPacketToImageArray(self, udpPacketStr):
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self.arrayOfBinaryInts = []
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byteArray = bytearray(udpPacketStr)
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#Fix for other format. Not Used
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#byteArray = udpPacketStr.translate(None, b'\r\n').decode().replace('[','').replace(']','').replace(' ','').split(',')
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#byteArray = [int(x) for x in byteArray]
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#print("rawtype="+str(type(byteArray)))
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#print(byteArray)
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for byte in byteArray:
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#print("byte:"+str(byte))
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self.__appendByteToArrayOfBinaryInts(byte)
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return self.arrayOfBinaryInts
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def __appendByteToArrayOfBinaryInts(self, byte):
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byteValue = int(byte)
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for i in range(8):
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if math.floor(byteValue/(2**(7-i))) > 0:
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self.arrayOfBinaryInts.append(1)
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#print("append 1")
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else:
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self.arrayOfBinaryInts.append(0)
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#print("append 0")
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byteValue = byteValue%(2**(7-i))
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class FlipdotMatrixSimulatorWidget():
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BLACKCOLOR = 0
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WHITECOLOR = 1
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@ -119,11 +69,19 @@ class FlipdotMatrixSimulatorWidget():
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pygame.init()
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self.screen = pygame.display.set_mode((imageSize[0]*pixelSize, imageSize[1]*pixelSize))
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self.screen.fill((255,255,255))
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self.screen.fill((0,0,0))
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self.pixelsurface=None
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_thread.start_new_thread(self.watchCloseThread, ())
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self.bitsperpixel=bitsperpixel
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minimumbrightness=32
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self.colorTable=[]
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for i in range(pow(2,self.bitsperpixel)):
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brightness=i/pow(2,self.bitsperpixel)
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self.colorTable.append( ( int( (255-minimumbrightness)*brightness+minimumbrightness) , int(127*brightness+ minimumbrightness/2), int(minimumbrightness/4) ) )
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def watchCloseThread(self):
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@ -134,29 +92,23 @@ class FlipdotMatrixSimulatorWidget():
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os.kill(os.getpid(), 9)
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pygame.time.delay(500)
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def show(self, imageArray):
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for yValue in range(self.imageSize[1]):
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for xValue in range(self.imageSize[0]):
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i = self.imageSize[0]*yValue + xValue
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color = imageArray[i] / (pow(2,self.bitsperpixel)-1) #gives a number between 0 and 1 inclusive. Example for bitsperpixel=2: [1,0]-> 2/ (2^2-1)=2/3
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self.updatePixel(xValue, yValue, color)
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def showFromRawData(self, rawData):
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x=0 #pixel x position
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y=0 #pixel y position
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bitshifts=[x*self.bitsperpixel for x in range(int(8/self.bitsperpixel))]
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bitmask=int('00000011', 2)
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for cbyte in rawData:
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for numbershifts in bitshifts:
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pixelbyte = ( cbyte & (bitmask<<numbershifts) ) >> numbershifts
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pygame.draw.circle(self.screen, self.colorTable[pixelbyte], (int(x*self.pixelSize+self.pixelSize/2), int(y*self.pixelSize+self.pixelSize/2)), int(self.pixelSize/2)) #Draw LED as filled circles
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x+=1 #next pixel
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y+=int(x/self.imageSize[0]) #next column if end of row
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x%=self.imageSize[0] #start at first column if end of row
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pygame.display.update()
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def clearPixels(self):
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for xValue in range(self.imageSize[0]):
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for yValue in range(self.imageSize[1]):
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self.updatePixel(xValue, yValue, self.BLACKCOLOR)
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def updatePixel(self, xValue, yValue, brightness):
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surface = pygame.Surface((self.pixelSize, self.pixelSize))
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minimumbrightness=32
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rectcolor = ( (255-minimumbrightness)*brightness+minimumbrightness,127*brightness+ minimumbrightness/2, minimumbrightness/4)
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#surface.fill(rectcolor)
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pygame.draw.circle(surface, rectcolor, (int(self.pixelSize/2), int(self.pixelSize/2)), int(self.pixelSize/2)) #Draw LED as filled circles
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self.screen.blit(surface, (xValue*self.pixelSize, yValue*self.pixelSize))
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if __name__ == '__main__':
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FlipdotSim(imageSize=(WIDTH,HEIGHT), pixelSize = PIXELSIZE, udpPort=UDPPORT, bitsperpixel=BITSPERPIXEL).run()
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@ -0,0 +1,109 @@
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import hypermedia.net.*;
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int pixelSize = 4;
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int bitPerPixel = 2;
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int width=160;
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int height=144;
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int windowWidth=width*pixelSize;
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int windowHeight=height*pixelSize;
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UDP udp;
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byte[] emptyByteArray = new byte[0];
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byte receivedData[]=emptyByteArray;
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byte imagebuffer[][]=new byte[width][height];
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PImage led[]=new PImage[(int)pow(2,bitPerPixel)];
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void settings() {
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size(width*pixelSize, height*pixelSize,P2D);
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}
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void setup() {
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//Setup Graphics
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frameRate(30);
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noSmooth();
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background(0);
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noStroke();
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//UDP
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udp = new UDP( this, 2323 );
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//udp.log( true ); // <-- printout the connection activit
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udp.listen( true );
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//Precompute LED Images
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for (byte b=0;b<led.length;b++){
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led[b] = createImage(pixelSize, pixelSize, RGB);
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led[b].loadPixels();
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for (int px = 0; px < pixelSize; px++) {
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for (int py = 0; py < pixelSize; py++) {
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float distanceFromCenter=sqrt( pow(px-pixelSize/2,2) + pow(py-pixelSize/2,2) ) / sqrt(pow(pixelSize/2,2) + pow(pixelSize/2,2));
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int colorR=255/3*b;
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int colorG=127/3*b;
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int colorB=0;
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float brightnessMultiplier=map(distanceFromCenter, 0.4, 1/sqrt(2), 1.0, 0.0);
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if(brightnessMultiplier<0){
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brightnessMultiplier=0;
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}else if(brightnessMultiplier>1){
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brightnessMultiplier=1;
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}
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colorR*=brightnessMultiplier;
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colorG*=brightnessMultiplier;
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colorB*=brightnessMultiplier;
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led[b].pixels[py*pixelSize+px] = color(colorR,colorG,colorB);
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}
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}
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led[b].updatePixels();
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}
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}
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//draw event handler
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void draw() {
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//map byte data to imagebuffer
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if (receivedData.length > 0){ //new data?
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byte[] cachedData=receivedData; //cache data to free array for new data
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receivedData = emptyByteArray;
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for (int i=0;i<cachedData.length;i++){
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for (int shift=0;shift<(8/bitPerPixel);shift++){ //bitshifts because a byte can contain multiple pixels
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int pixelnumber=i*(8/bitPerPixel)+shift; //absolute pixelnumber
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int x=pixelnumber%width;
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int y=pixelnumber/width;
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int value= (cachedData[i]&( 3 <<(shift*bitPerPixel))) >> (shift*bitPerPixel); //mask relevant bits for current pixel
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imagebuffer[x][y]=(byte)value; //write pixel value to image buffer
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}
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}
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}
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clear(); //clear screen
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//int timeA=millis();
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//Draw leds
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for (int x = 0; x < imagebuffer.length; x++){
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for (int y = 0; y < imagebuffer[x].length; y++){
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byte pixel=imagebuffer[x][y];
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//fill(255/3*pixel,127/3*pixel,0); //set pixel color
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//ellipse(x*pixelSize+pixelSize/2, y*pixelSize+pixelSize/2, pixelSize, pixelSize); //Very slow
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//rect(x*pixelSize, y*pixelSize, pixelSize, pixelSize); //works fast enough
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image(led[pixel], x*pixelSize, y*pixelSize); //draw precomputed led image, as fast as rect but looks nicer
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}
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}
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//int timeB=millis()-timeA;
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//println("Time="+(timeB));
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}
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//udp receive event handler
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void receive( byte[] data, String ip, int port ) {
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receivedData=data; //received data to buffer
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}
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@ -9,14 +9,17 @@ matrix = MatrixSender(udphost="localhost", udpport=2323, img_size=(160,24*6), bi
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if __name__ == '__main__':
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_fps=0
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_time_startsending=0
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im = Image.new("RGBA", matrix._img_size, MatrixSender.C_BLACK) #create image
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draw = ImageDraw.Draw(im) #get draw instance
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ball_pos=np.array((20,20))
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ball_size=10
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ball_vel=np.array((-5,5))
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while(True):
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#------- Update Movements ------
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#move ball
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@ -34,7 +37,11 @@ if __name__ == '__main__':
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#draw ball
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draw.ellipse((ball_pos[0]-ball_size/2,ball_pos[1]-ball_size/2,ball_pos[0]+ball_size/2,ball_pos[1]+ball_size/2,),fill=(255,255,255))
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_fps=1/(time.time()-_time_startsending)
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_time_startsending=time.time()
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matrix.send(im) #construct udp packet and send to matrix
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_time_endsending=time.time()
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time.sleep(.1) #wait
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print("Sendtime="+str(round(_time_endsending-_time_startsending,4))+"s, maxFPS="+str(round(1/(_time_endsending-_time_startsending),2))+", actual FPS="+str(round(_fps,2)))
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#time.sleep(.1) #wait
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