On Wed, 2023-04-19 at 11:00 -1000, Maren Purves wrote:
> If you're writing code anyway (like for an asub record) you can strip those characters out just like any other - I once had to deal with a device that sent 3 lines of output that I wanted to fit into a (3.13, probably .5 or .8) stringin.
>
Aloha Maren,
No, I did not write code to solve that problem.
With only 3 lines, you may try to write 3 'in' commands in one protocol (and use
redirection).
More details about your 3 lines?
Dirk
> Aloha,
>
> Maren Purves
> East Asian Observatory / JCMT
>
> On Wed, Apr 19, 2023 at 5:56 AM Zimoch Dirk via Tech-talk <tech-talk at aps.anl.gov> wrote:
> > Hello Kevin,
> >
> > Unfortunately, StreamDevice does not yet support columns (or tables).
> > You may be able to read the whole array into a waveform then use a aSub Record
> > to filter out the columns, but that s a bit tricky because of , and CR LF.
> >
> > Maybe I can say more tomorrow...
> >
> > Dirk
> >
> >
> > On Wed, 2023-04-19 at 19:53 +0800, 若兰 via Tech-talk wrote:
> > > Hello everyone,
> > > I have a Counter which can store data to a buffer.
> > > (1) With command "GSDAL?", an array can be read out from the buffer, which looks like this:
> > >
> > > fig.1
> > >
> > >
> > > The first 8 colums are Counter data and the last coloum is Timer data. Every line end with CR+RF.
> > > (2) With another command “GSCRD?00000000100”, the buffer can get the following array. Every line end with CR+RF.
> > >
> > > fig.2
> > >
> > >
> > > Question 1. How to read the 2-d array (fig 1) into EPICS? Can I use a waveform to do it? Does anybody has an example for it?
> > >
> > > Question2. I used a waveform to read the second array (in fig.2).
> > > record(waveform, "$(D):Array0")
> > > {
> > > field(DTYP, "stream")
> > > field(INP, "@xxx.proto array_in $(PORT)")
> > > field(NELM, "100")
> > > field(FTVL, "SHORT")
> > > field(SCAN, "5 second")
> > > }
> > >
> > > in the xxx.proto:
> > > array_in {
> > > seperator=CR; #or CR LF, no different result
> > > out "GSCRD?00000000100";
> > > in "%5d";
> > > }
> > >
> > > and the result shows:
> > > xxx:Array0 200 0 0 0 0 0 .... 0
> > > Surely the data is not read correctly.
> > >
> > > I wonder what the problem is.
> > > Can I use waveform to read it?
> > > Is there any problem with waveform? For example, the seperator?
> > > If not use waveform, how can I read the array out from device buffer?
> > >
> > > Thanks very much for any advice.
> > >
> > > Best reguards
> > >
> > > Kevin
> > > 279762081 at qq.com
> > >
> > >
> > >
- Replies:
- Re: Using waveform to read array in StreamDevice Maren Purves via Tech-talk
- References:
- Using waveform to read array in StreamDevice =?gb18030?b?yPTAvA==?= via Tech-talk
- Re: Using waveform to read array in StreamDevice Zimoch Dirk via Tech-talk
- Re: Using waveform to read array in StreamDevice Maren Purves via Tech-talk
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