Passing a value to a subroutine from a Spinbox

BigJohnT
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23 Oct 2014 23:44 #52336 by BigJohnT

Replied by BigJohnT on topic Passing a value to a subroutine from a Spinbox

andypugh wrote:

BigJohnT wrote:
FEATURES = 8 seemed to do the trick.

This works nicely at the start of a file. But the values only update when a program is not running, so if you need "live" data the G-code analogue inputs are the way to go.

This was an mah addition, and he has decided it was a mistake. Personally I use it too much to agree, it just needs the limitations to be documented.

The limitation has been documented.

JT

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andypugh
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24 Oct 2014 00:15 #52338 by andypugh

Replied by andypugh on topic Passing a value to a subroutine from a Spinbox

BigJohnT wrote:
The limitation has been documented.

There is a more detailed explanation of the nature of the limitation here:
linuxcnc.org/index.php/english/forum/10-...ignal?start=80#51544

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DaBit
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24 Oct 2014 01:48 #52340 by DaBit

Replied by DaBit on topic Passing a value to a subroutine from a Spinbox

I'd say the 'mistake' is not the ability to read HAL-pins, but not busting the queue.

Jost curious: is all this 'better' when one uses Python for half-control/half-motion things? I already have a case where I want LinuxCNC to control a machine that is not even a far cousin of a milling machine. It is just that Mesa hardware is affordable and of good quality, GladeVCP offers a quick method to add custom GUI elements, HAL allows a lot of special requirements to be implemented and G-code is a perfect language to describe simple motions with which a lot of people are familiar.

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