Improve reading by DMA

Scripts/testB2LFrontEnd_DMA.py

@@ -59,7 +59,11 @@ def _crc16(data, crc, table):
     return crc & 0xffff
 
 def decode_data( dataraw , data ):
-    data += list( itertools.islice( dataraw , 0 , None , 8 ) ) 
+    # Remove intermediate lines
+    datalsb = list( itertools.islice( dataraw , 0 , None , 16 ) ) 
+    datamsb = list( itertools.islice( dataraw , 8 , None , 16 ) ) 
+    # Group in 32 bit words
+    data += [ ( ( x & 0xFFFF ) | (  ( y & 0xFFFF ) << 8 ) ) for x, y in zip( datalsb, datamsb) ] 
     return 0
 
 import socket
@@ -76,7 +80,7 @@ for nev in range( 1 ):
     if ( hname == 'belle2daq.local' ):
         os.system( "ssh vme \"trigft -80 pulse 1 1\"" ) ### ADD this to suppress output >/dev/null 2>&1" )
     else:   ### KEK 
-        os.system( "ssh ttd3 \"trigft -23 pulse 1 1\"" )
+        os.system( "ssh vme \"trigft -53 pulse 1 1\"" )
 
     # wait for data to arrive
     size = 0