> On 17 Jun 2021, at 2:47 pm, John Dammeyer <jo...@autoartisans.com> wrote:
>
> Not sure I understand. Say for example the existing HAL file has this:
>
> net spindle-vel-fb-rps <= hm2_7i92.0.stepgen.05.velocity-fb
>
> But now I'm trying to get the HAL file correct so LinuxCNC starts without
> errors.
>
> net spindle-vel-fb-rps <= hm2_7i92.0.encoder.01.velocity
>
> Now I can go through and comment things out with a '#' on each line but my
> existing spindle has a 'near' and 'ramped' feature to make it accelerate
> more slowly. There are suddenly a lot of '#' comments and it gets hard to
> read.
>
> So how would I use haltcl to select one or the other of the above examples.
if { condition } {
net spindle-vel-fb-rps <= hm2_7i92.0.stepgen.05.velocity-fb
} else {
net spindle-vel-fb-rps <= hm2_7i92.0.encoder.01.velocity
}
> I mean I know I need to not use the stepgen velocity feedback to show spindle
> velocity because that's now the encoders job but there are a lot of
> non-starters at the moment.
>
>
>> -----Original Message-----
>> From: Phill Carter [mailto:phillcarte...@gmail.com
>> <mailto:phillcarte...@gmail.com>]
>> Sent: June-16-21 9:12 PM
>> To: linuxcnc-users
>> Subject: Re: [Emc-users] #ifdef
>>
>>
>>
>>> On 17 Jun 2021, at 2:03 pm, John Dammeyer <jo...@autoartisans.com> wrote:
>>>
>>> Is there something like an
>>>
>>> #ifdef
>>> #else
>>> #endif
>>>
>>> in HAL files?
>>> Thanks
>>> John
>>
>> No, but it is possible to use HALTCL files.
>>
>> <http://linuxcnc.org/docs/devel/html/hal/haltcl.html
>> <http://linuxcnc.org/docs/devel/html/hal/haltcl.html>
>> <http://linuxcnc.org/docs/devel/html/hal/haltcl.html
>> <http://linuxcnc.org/docs/devel/html/hal/haltcl.html>>>
>>
>>
>>>
>>> "ELS! Nothing else works as well for your Lathe"
>>> Automation Artisans Inc.
>>> www dot autoartisans dot com
>>>
>>>
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>>
>>
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>
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