Added matrix simulator for emulating led matrix without the hardware.

matrix-simulator/matrix-simulator.py

@@ -0,0 +1,36 @@
+
+
+import sys
+import socket
+import pygame
+import numpy as np
+import binascii
+
+pygame.init()
+
+screen = pygame.display.set_mode((320, 320))
+
+UDP_IP = "127.0.0.1"
+UDP_PORT = 8888
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+sock.bind((UDP_IP, UDP_PORT))
+
+while True:
+    data, addr = sock.recvfrom(768)
+    # strip newline
+    data = data.strip()
+    print "message length:", len(data)
+    print "received data:"
+    r = bytearray(data[0::3])
+    g = bytearray(data[1::3])
+    b = bytearray(data[2::3])
+    for j in range(16):
+        for i in range(16):
+            if (j*16 + i) < len(r) and (j*16 + i) < len(g) and (j*16 + i) < len(b):
+                pygame.draw.circle(screen, pygame.Color(r[16*j+i], g[16*j+i], b[16*j+i]), (i*20+10, 320-j*20-10), 5)
+                print "{:s} ".format(binascii.hexlify(bytearray((r[16*j+i], g[16*j+i], b[16*j+i])))),
+            else:
+                pygame.draw.circle(screen, pygame.Color(30, 30, 30), (i*20+10, 320-j*20-10), 5)
+        print ""
+    pygame.display.update()