[simpits-tech] EPL syntax

[Frank Riedel]

Thanks Mark....
I'll keep studing all i can find of documentation...
what help me along is others code... by reading those
i'll get at better understanding of the  full struktur of EPIC EPL
and som day i'll be a hardcore EPL programer to ;o)


Fly Well
Frank


 Original Message -----
From: "Mark Doran" <mark_s_doran@hotmail.com>
To: <simpits-tech@simpits.org>
Sent: Monday, June 30, 2003 1:28 AM
Subject: RE: [simpits-tech] EPL syntax


Don't feel too bad, Frank...ask Ralph, I keep harping on him and Steve for
better documentation! :-)

Cheers,

Mark.


> -----Original Message-----
> From: simpits-tech-admin@simpits.org [mailto:simpits-tech-
> admin@simpits.org] On Behalf Of Frank Riedel
> Sent: Friday, June 27, 2003 1:23 PM
> To: simpits-tech@simpits.org
> Subject: Re: [simpits-tech] EPL syntax
>
> Yes - I have read it..."more than once" and was a little unsure... but
> thanks Mark !
> Now i'm sure... and i'll continue studing...
>
> Frank¨
>
> ----- Original Message -----
> From: "Mark Doran" <mark_s_doran@hotmail.com>
> To: <simpits-tech@simpits.org>
> Sent: Friday, June 27, 2003 9:41 PM
> Subject: RE: [simpits-tech] EPL syntax
>
>
> "ifactive" is obsolete syntax now, Frank.
>
> Taken from Ralph's USB syntax primer (that you have read by now, right??
> ;-):
>
> -- begin excerpt
>
>   The following is OBSOLETE:
>
>   ifactive (<module,row,mask>) call|jump <label1>; else call|jump
> <label2>;
>
> [snip explanation of old syntax]
>
>   >>>>>>>>>>>>>USE<<<<<<<<<<<<<<<<<
>   1. for ifactive(....)
>
> use:
>
>   if(deviceName.ButtonName) ..... else ......
>
>   2. for ifactivematch(.....)
>
>      use:
>
>      byte scan;
>      scan = scanrow(0,0);  //get current state of switches on module 0 row
> 0
>      scan &= 0x0F;         //mask bits of interest
>      if(scan == 0b00000001) jump Proc0;  //active switches (on) are 1's
>      if(scan == 0b00000010) jump Proc1;
>      if(scan == 0b00000100) jump Proc2;
>      if(scan == 0b00001000) jump Proc3;
>      if(scan == 0b00000101) jump Proc4;  //if switches 0&2 are on and 1&4
> are
>                                          //off
>
> -- end excerpt
>
> It's much faster to write code with the new syntax and it's much easier to
> read back as well (MHO ;-).
>
> Cheers,
>
> Mark.
>
>
> -----Original Message-----
> From: simpits-tech-admin@simpits.org [mailto:simpits-tech-
> admin@simpits.org]
> On Behalf Of Frank Riedel
> Sent: Friday, June 27, 2003 8:28 AM
> To: simpits-tech@simpits.org
> Subject: [simpits-tech] EPL syntax
>
> Hi All !
>
> I have a quest i cant find an answer to:
> EPICcenter 0.1.1.55
>
> ifactive(<label>) jump <label>;
> - EPICcenter return - Syntax error (ifactive) -- unknown token
>
> what is the correct syntax ?
>
>
> Frank
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> Thanks!

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Thanks!