addresses cms-gem-daq-project#297, bits [31:16] of HW_CHIP_ID are set…

… to zero if rawID is False
bdorney · Jul 10, 2019 · f0a8ddd · f0a8ddd
1 parent c69f04a
commit f0a8ddd
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/gempython/tools/vfat_user_functions_xhal.py b/gempython/tools/vfat_user_functions_xhal.py
@@ -132,6 +132,11 @@ def getAllChipIDs(self, mask=0x0, rawID=False):
         if rpcResp != 0:
             raise Exception("RPC response was non-zero, failed to get chipID data for OH{0}".format(self.parentOH.link))
 
+        # Suppress any potential bit flips in chipID (e.g. in non-reed muller encoded chips)
+        if rawID == False:
+            for vfat in len(chipIDData):
+                chipIDData[vfat] = chipIDData[vfat] & 0xffff
+
         return chipIDData
 
     def getAllChannelRegisters(self, mask=0x0):