use the INSTR environment variable instead of PREFIX

db/counterbox_v2_test.db

@@ -1,31 +1,40 @@
+# EPICS Database for streamdevice support for testing functionality specific to
+# the 2nd Generation Systems
+#
+# Macros
+# INSTR - Prefix
+# NAME - the device name, e.g. DAQV2
+# PROTO - Stream device protocol file
+# ASYN_PORT - Low level Asyn IP Port to Counterbox
+
 ################################################################################
 # Testing Commands
 
 # These won't match the values on the machine after a full restart But I chose
 # not to force their intialisation as they are only important for testing
 
-record(bo, "$(P):$(NAME):TESTGEN")
+record(bo, "$(INSTR)$(NAME):TESTGEN")
 {
  field(DESC, "Turn on/off Testgen Signal")
  field(DTYP, "stream")
- field(OUT, "@$(PROTO) switchTestgenOnOff($(P):$(NAME):) $(ASYN_PORT)")
+ field(OUT, "@$(PROTO) switchTestgenOnOff($(INSTR)$(NAME):) $(ASYN_PORT)")
  field(VAL, 0)
  field(ZNAM, "OFF")
  field(ONAM, "ON")
 }
 
-record(longout, "$(P):$(NAME):TESTGEN-LOWRATE")
+record(longout, "$(INSTR)$(NAME):TESTGEN-LOWRATE")
 {
  field(DESC, "Set Minimum Testgen Rate")
  field(DTYP, "stream")
- field(OUT, "@$(PROTO) setTestSignal($(P):$(NAME):) $(ASYN_PORT)")
+ field(OUT, "@$(PROTO) setTestSignal($(INSTR)$(NAME):) $(ASYN_PORT)")
  field(VAL, 1000)
 }
 
-record(longout, "$(P):$(NAME):TESTGEN-HIGHRATE")
+record(longout, "$(INSTR)$(NAME):TESTGEN-HIGHRATE")
 {
  field(DESC, "Set Maximum Testgen Rate")
  field(DTYP, "stream")
- field(OUT, "@$(PROTO) setTestSignal($(P):$(NAME):) $(ASYN_PORT)")
+ field(OUT, "@$(PROTO) setTestSignal($(INSTR)$(NAME):) $(ASYN_PORT)")
  field(VAL, 1000)
 }