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add: default dataframe error/exit on empty grid

micha 2 years ago
parent
commit
4ad014de8f
1 changed files with 2 additions and 2 deletions
  1. 2 2
      monitor/oszi_grid.py

+ 2 - 2
monitor/oszi_grid.py

@@ -26,7 +26,7 @@ print(options.sendto)
 
 
 def unpack_art_dmx(data):
-    dmx = []
+    dmx = ["x"]*512
     for i in range(len(data[18:]) ):
         x=data[18+i]
         #print("x",x)
@@ -34,7 +34,7 @@ def unpack_art_dmx(data):
         #x=struct.unpack( b'!B',data[18+i])
         #print( "data",b'!B', data[18+i],x)
         #x=x[0]
-        dmx += [x]
+        dmx[i] = x
     return dmx