Strobo

apps/strobo.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+
+
+Nx = int(sys.argv[1])
+Ny = int(sys.argv[2])
+
+param = 10
+
+try:
+    param = int(sys.argv[3])
+except:
+    pass
+
+a = True
+counter = 0
+buffera = bytearray(b"\x00" * (3 * Nx * Ny))
+bufferb = bytearray(b"\xFF" * (3 * Nx * Ny))
+
+while True:
+
+    if a:
+        os.write(1, buffera)
+    else:
+        os.write(1, bufferb)
+
+    if param == counter:
+        a = not a
+        counter = 0
+
+    counter+=1