How to read signal state in g-code program

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aleksamc
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16 Feb 2021 09:25 #199030 by aleksamc

How to read signal state in g-code program was created by aleksamc

If I want to read value of the pin from G-code, I type
#<_hal[pinname]>

But when I want to read signal name (not pin), when I type
(debug, #<_hal[signal_name>]>) and signal is true or false, I get ####

How to read binary signal name in G-code?

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aleksamc
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16 Feb 2021 12:35 #199058 by aleksamc

Replied by aleksamc on topic How to read signal state in g-code program

Ok, it seems that signal value gets the same as pin value, I made only simple mistake in writing [].

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andypugh
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24 Feb 2021 12:45 #199972 by andypugh

Replied by andypugh on topic How to read signal state in g-code program

aleksamc wrote:
If I want to read value of the pin from G-code, I type
#<_hal[pinname]>

Note that this will (generally) return the value on the HAL pin at the moment that the G-code started.

To read live status it is a bad choice, far better then to use the G-code analogue input pins and M65 (etc)

The following user(s) said Thank You: aleksamc

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aleksamc
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24 Feb 2021 20:40 #200022 by aleksamc

Replied by aleksamc on topic How to read signal state in g-code program

Thank you very much for good advice, Andypugh.
I also wondered why I didn't get change in g-code if I change values.

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