Minor optimizations - now only one call to hw.dispatch in loop

8c233286 · David Cussans · 3ce313c3 · 8c233286
Commit 8c233286 authored Oct 26, 2015 by David Cussans
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Showing with 6 additions and 7 deletions

startTLU_v4.py firmware/scripts/startTLU_v4.py +6 -7

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--- a/firmware/scripts/startTLU_v4.py
+++ b/firmware/scripts/startTLU_v4.py
@@ -22,7 +22,7 @@ listenForTelescopeShutter = False
 #TriggerInterval = 400000 # Units = 160MHz clock ticks.
 #loopWait     = 1.0 # polling interval ( seconds )
 TriggerInterval = 16000 # Units = 160MHz clock ticks.
-loopWait     = 0.1 # polling interval ( seconds )
+loopWait     = 0.05 # polling interval ( seconds )
 pulseDelay   = 0 # between 0 and 31 in units of 160MHz clock.
 pulseStretch = 4 # between 0 and 31 in units of 160MHz clock.
 DUTMask      = 1 # bit mask to indicate with DUT are active
@@ -52,6 +52,11 @@ eventFifoFillLevel = 0

 while True:
    
+    nEvents = int(eventFifoFillLevel)//4  # only read out whole events ( 4 x 32-bit words )
+    wordsToRead =  nEvents*4
+    # get timestamp data and fifo fill in same outgoing packet.
+    timestampData = hw.getNode("eventBuffer.EventFifoData").readBlock(wordsToRead)
+    eventFifoFillLevel = hw.getNode("eventBuffer.EventFifoFillLevel").read()

    preVetotriggerCount = hw.getNode("triggerLogic.PreVetoTriggersR").read()
    postVetotriggerCount = hw.getNode("triggerLogic.PostVetoTriggersR").read()
@@ -71,12 +76,6 @@ while True:
    print "Current timestamp High,Low (hex) = " , hex(timestampHigh) , hex(timestampLow)

    print "FIFO fill level = " , eventFifoFillLevel
-    nEvents = int(eventFifoFillLevel)//4  # only read out whole events ( 4 x 32-bit words )
-    wordsToRead =  nEvents*4
-    # get timestamp data and fifo fill in same outgoing packet.
-    timestampData = hw.getNode("eventBuffer.EventFifoData").readBlock(wordsToRead)
-    eventFifoFillLevel = hw.getNode("eventBuffer.EventFifoFillLevel").read()
-    hw.dispatch()
    
    print "number of events in FIFO = ",nEvents
 #    print timestampData