Pausing with M25, cannot resume.

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krak
Prints-a-lot
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Joined: Fri May 24, 2013 10:39 pm
Location: Bellevue Wa

Pausing with M25, cannot resume.

Post by krak »

I prefer to run my prints from a SD card. The problem with that is @pause does not work, as host commands are removed when saving to the SD card. I have been attempting to use M25 to pause the print at a certain layer, and it works. But then I can't seem to get the job to resume. I would have thought I could do it through the LCD display, but no luck so far. Anyone know of a way to pause a print and have it resume without using the Host software?

The goal here is to embedded an object in the print. I would love to have it beep right before the pause, as I maybe be in a different room at that point.

FYI: I almost never run jobs via USB. My host is running on a virtual machine, and a hiccup in the USB connection can happen from time to time. Most of my prints are 8+ hours. I have learned the hard way to always run jobs from the SD card.
bubbasnow
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Re: Pausing with M25, cannot resume.

Post by bubbasnow »

depending on what the pause is for, you could use a G4 pXXX command and it will wait XXX ms....

if your willing to spend 35 bucks i think you can run the linux host controller on a PI, and you could remote into the PI via wifi/cat cable. That way you could still have host fuctionality but still not have a full computer attached all the time.
bubbasnow
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Re: Pausing with M25, cannot resume.

Post by bubbasnow »

krak
Prints-a-lot
Posts: 30
Joined: Fri May 24, 2013 10:39 pm
Location: Bellevue Wa

Re: Pausing with M25, cannot resume.

Post by krak »

So as it turns out, I must have clumsy fingers. After some testing, I have been able to pause with M25, and resume from the LCD screen. I assume the only difference is that I have been much more careful on the LCD controls. I did notice an interesting bug. The controller will run the line of g-code following the M25 command. I assume this is do to some look ahead methods or buffering. There is an easy work around, enter the position you would the unit to pause before and after the M25 command.
IE
G1 Z100
M25
G1 Z100
bubbasnow wrote:depending on what the pause is for, you could use a G4 pXXX command and it will wait XXX ms....

if your willing to spend 35 bucks i think you can run the linux host controller on a PI, and you could remote into the PI via wifi/cat cable. That way you could still have host fuctionality but still not have a full computer attached all the time.
I have spare old laptops I could use that. Although I have been looking for an excuse to pick up a PI. Do you run the server? Does it really help without make adding complexity?
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Toyguy
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Re: Pausing with M25, cannot resume.

Post by Toyguy »

Take this with a grain of salt as I haven't yet tried either of them, but Repetier Server seems to be languishing in development. I'm liking the looks of Octoprint - runs on a Pi and is seeing some pretty active development at the moment. You might take a peek at that too.
bubbasnow
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Re: Pausing with M25, cannot resume.

Post by bubbasnow »

Im looking forward to use PI, but i havent tried yet. I figured when i load anything on to the pi, its just going to send gcode...I'm not looking for anything fancy
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