Re: streamdevice I/O Intr

[William Kirstaedter via Tech-talk <tech-talk@aps.anl.gov>]

I'm sorry to send this again but my first mail got soft-rejected because 
I wasnt a subscriber.
William Kirstaedter (PP&B)
Fritz-Haber-Institut der MPG
Faradayweg 4-6
14195 Berlin
Tel: 030 8413 5405
Mail: kirstaedter@fhi-berlin.mpg.de

Am 29.11.2018 um 11:34 schrieb William Kirstaedter:
> Hi,
>
> I have a small problem with a fast Device, maybe somebody already had 
> this problem and can help out? :)
> It runs via I/O Intr.
> I am able to start the reporting, but I cant stop it. It seems that 
> the stop command doesnt get through....
> could it be that somehow the communication is blocked by the fast 
> input? how could I fix that?
> Its really simple to control:
> You send "STM\r", it starts reporting every 18ms "tmp,<float>,<float>\r"
> You send "ETM\r", it stops doing that, terminating communication with 
> "txx\r".
> all ASCII formatted.
>
> my records:
>
> tc.db file:
>
> record(bo, "$(P):$(R):Toggle"){
>    field(DESC, "Toggle Reading")
>    field(DTYP, "stream")
>    field(OUT, "@tc.proto toggle $(BUS)")
>    field(ZNAM, "ETM")
>    field(ONAM, "STM")
>    field(VAL, "0")
> }
>
> record(ai, "$(P):$(R):Temperature") {
>   field(DESC, "Temperature")
>   field (DTYP, "stream")
>   field (INP, "@tc.proto read_K $(BUS)")
>   field (SCAN, "I/O Intr")
>   field(EGU, "K")
> }
>
> record(ai, "$(P):$(R):ThermoVoltage"){
>   field(DESC, "TC Thermovoltage")
>   field(DTYP, "stream")
>   field(INP, "@tc.proto read_nV $(BUS)")
>   field(SCAN, "I/O Intr")
>   field(EGU, "nV")
> }
>
> tc.proto file:
>
> Terminator = CR;
> ExtraInput = Ignore;
>
>
> toggle {
>         out "%{ETM|STM}";
>         in "txx";
> };
>
> read_K {
>         in "tmp,%f,%*f";
> };
>
> read_nV {
>         in "tmp,%*f,%f";
> };
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