initial sketch of mdif stream device module

Makefile

@@ -0,0 +1,19 @@
+# This build the sinq extensions for the PSI EPICS setup
+include /ioc/tools/driver.makefile
+
+MODULE=mdif
+BUILDCLASSES=Linux
+EPICS_VERSIONS=7.0.7
+ARCH_FILTER=RHEL%
+
+# additional module dependencies
+REQUIRED+=asyn
+REQUIRED+=stream
+
+# DB files to include in the release
+TEMPLATES += db/mdif.db
+TEMPLATES += db/mdif.proto
+
+SCRIPTS += scripts/mdif.cmd
+
+# MISCS  would be the place to keep the stream device template files

db/mdif.db

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+record(stringin, "$(INSTR)$(NAME):MsgTxt")
+{
+ field(DESC, "Unexpected received response")
+ field(DTYP, "devDAQStringError")
+ field(FLNK, "$(INSTR)$(NAME):INVALID-CONFIG")
+}
+
+record(longout,"$(INSTR)$(NAME):DELAY")
+{
+ field(DESC, "Starting measurement time after trigger signal")
+ field(DTYP, "stream")
+ field(OUT, "@$(PROTO) writeDelay($(INSTR)$(NAME):) $(ASYN_PORT)")
+}
+
+record(longin,"$(INSTR)$(NAME):DELAY")
+{
+ field(DESC, "Starting measurement time after trigger signal")
+ field(DTYP, "stream")
+ field(OUT, "@$(PROTO) readDelay($(INSTR)$(NAME):) $(ASYN_PORT)")
+ field(SCAN, "1 second")
+}

db/mdif.proto

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+OutTerminator = CR;
+InTerminator  = CR;
+ReadTimeout    = 100;
+WriteTimeout   = 100;
+ReplyTimeout   = 1000;
+LockTimeout    = 1000;
+
+initialise {
+ out "RMT 1"; # Turn on Remote Control
+ in;
+ out "ECHO 0"; # Ask for reponses
+ in;
+}
+
+readDelay {
+ out "DT";
+ in "%d";
+ @mismatch{in "%(\$1MsgTxt)s";}
+}
+
+writeDelay {
+ out "DT %d";
+ in;
+ @mismatch{in "%(\$1MsgTxt)s";}
+}

scripts/mdif.cmd

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+require asyn
+require stream
+
+epicsEnvSet("PROTO", "$(mdif_DB)mdif.proto")
+drvAsynIPPortConfigure("ASYN_$(NAME)", "$(HOST)", 0,   0,   0)
+dbLoadRecords("$(mdif_DB)mdif.db", "INSTR=$(INSTR), NAME=$(NAME), PROTO=$(PROTO), ASYN_PORT=ASYN_$(NAME)")