Rapid overide selector switch bounce

  • COlger81
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31 Aug 2020 16:01 #180183 by COlger81
Rapid overide selector switch bounce was created by COlger81
I am using a 3 position selector switch to select rapid override value. Values for selector switch are 25%, 50%, and 100%. On startup, the value in Gmoccapy bounces rapidly from these 3 values until i rotate selector switch. After rotating selector, it calms down and acts as it should most of the time. HAL and python file attached.

File Attachment:

File Name: my_LinuxCN...8-31.hal
File Size:24 KB

File Attachment:

File Name: rapidselectorDMM.py
File Size:2 KB
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31 Aug 2020 16:52 #180187 by cmorley
Replied by cmorley on topic Rapid overide selector switch bounce
This sounds like fighting between two programs setting the override.
Each program must allow another to set the override without creating an endless loop of changes. I don't know if this is the problem just guessing.

You have chosen a unique way to set the override with a python program.
Usually for a selector switch I would use a mux component and use halui's direct-value option. using a mux16 allows for debounce as well.
This is how pncconf sets up overrides; you could create a dummy config to study the HAL files if you are interested.

It's tough to troubleshoot these kinds of problems because of the highly specific hardware HAL code makes testing impossible for others.

Chris

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31 Aug 2020 17:03 #180188 by COlger81
Replied by COlger81 on topic Rapid overide selector switch bounce
Python seemed like a simple path being that the switch is not just 3 outputs (one for each position). It's a logic setup with 2 outputs.

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31 Aug 2020 17:08 - 31 Aug 2020 17:08 #180189 by newbynobi
Replied by newbynobi on topic Rapid overide selector switch bounce
Please try to use directly the gmoccapy Hal pin,
Documentation is here

Use this pin and report:

gmoccapy.rapid.rapid_override.direct-value = HAL_FLOAT To adjust the max velocity slider

gmoccapy.rapid.rapid_override.analog-enable = HAL_BIT Must be True, to allow analog inputs

Do never use "enable direct value" and "count-enable", like you did in your Hal file!

Norbert
Last edit: 31 Aug 2020 17:08 by newbynobi.

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31 Aug 2020 17:13 #180192 by COlger81
Replied by COlger81 on topic Rapid overide selector switch bounce
I'm using a 3 position selector switch. Not an encoder or potentiometer...

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31 Aug 2020 17:16 #180193 by COlger81
Replied by COlger81 on topic Rapid overide selector switch bounce
I think i see what you're saying.

Thanks

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31 Aug 2020 17:19 #180194 by cmorley
Replied by cmorley on topic Rapid overide selector switch bounce
So Norbert has confirmed that GMoccapy doesn't like other programs setting the overrides. , but has HAL pins available to do the same.

So use the GMoccapy pins to set the overrides rather then halui.
the process is similar - pin types and names may be different.

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31 Aug 2020 17:21 #180195 by COlger81
Replied by COlger81 on topic Rapid overide selector switch bounce
Yes, got it sorted now.

Thanks Guys

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31 Aug 2020 18:00 #180201 by tommylight
Replied by tommylight on topic Rapid overide selector switch bounce
Fixed title.
The following user(s) said Thank You: COlger81

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31 Aug 2020 18:46 #180210 by COlger81
Replied by COlger81 on topic Rapid overide selector switch bounce
Was i yelling again? Gotta work on that i guess.

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