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terjeio / ioSender

A GCode Sender for Grbl and grblHAL written in C# (Windows only).
BSD 3-Clause "New" or "Revised" License
207 stars 65 forks source link

ALARM1 #298

Closed tcurdt closed 1 year ago

tcurdt commented 1 year ago

I just had a very weird episode with ioSender.

I've updated settings to see if hard limits are the way to go. After the change I was getting an "ALARM1". And the error description doesn't really make sense to in the current context.

There wasn't much I can do. Unlock didn't work. And restart also seemed to have issues. So I went back into the settings to change it back. But the settings were just a white screen.

After a lot of restarting and poking I somehow got access to the settings again and changed it back. It seems to be working again now.

I don't quite understand if this was a firmware problem, or whether it was ioSender having a bad day. I'll try to gather more details with the latest build - but if you already got some input I am all ears.

terjeio commented 1 year ago

I don't quite understand if this was a firmware problem

It is a firmware problem carried over from legacy Grbl: alarm 1 is an event/state that block all commands until a reset and/or the condition is cleared (depends on a setting). FYI I recently updated grblHAL to allow $-commands when in a "blocking" state - this, and later, versions will behave better in such circumstances.

tcurdt commented 1 year ago

I upgraded to ioSender edge and switching to hard limits and returning from ALARM1 seems to work fine now. Thanks for the help!