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Messages - Chaoticone

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21
Tangent Corner / Re: Cam lobe generator ?
« on: October 22, 2019, 04:49:04 PM »
Graham knows all them fancy words! Reuleaux, who would have thunk?

23
Mach4 General Discussion / Re: Reading dro value in macro
« on: October 22, 2019, 01:23:44 PM »
 :)

24
Quote
Ultimately I have it working, but I still don't know how someone came to know about those numbers being different select options for the message box.

I do not remember exactly where but pretty sure they were in the wx docs somewhere.

25
Tangent Corner / Re: Cam lobe generator ?
« on: October 22, 2019, 11:42:33 AM »
Arts Gearotic might help?

http://gearotic.com/

26
Mach4 General Discussion / Re: Reading dro value in macro
« on: October 22, 2019, 10:16:41 AM »
First go to Configure/Plugins/RegFile and add your custom register. Then open the screen with screen editor and in the Register property of that DRO select the register you created from the dropdown.

I would probably close and reopen Mach then.

Open Diagnostic/Regfile and find the register you created. From diagnostics you can also set the value of the register and the DRO should update to the new value. Entering a new value in the DRO should update the register. Right clicking the register name from the Regfile diagnostic will also give you the full path of that register you can copy to use in your macro script. Will look something like this.........

iRegs0/MyCustomRegisterName

Use that in the API call to get the register handle then the handle to get or set the register value.

local inst, hReg, value, rc
inst = mc.mcGetInstance()
hReg, rc = mc.mcRegGetHandle(inst, "iRegs0/MyCustomRegisterName")
value, rc = mc.mcRegGetValue(hReg)
rc = mc.mcRegSetValue(hReg, 126)

Registers can be different data types (Value, Value Long, String). It's type is determined by the type data you enter in it's value when creating it. Each type has its own API calls (all covered in the API help file).


27
Mach4 General Discussion / Re: Mach 4 Screen Editor GCode Help
« on: October 22, 2019, 09:56:04 AM »
Quote
Is it quite straightforward to link this to an input on my motion controller so I can have a foot switch toggle the button as well?

Yes, get the button working first. You can then add the input to the sigLib in screenload script and set the buttons state based on the state of the input.


Thanks very much for your help Chaoticone! The on screen button works as intended which is great!

I've had a go at adding code to link a physical input button to change the state of the on screen button in the sigLib but cant get it to do anything :(
Could you please shed some light on how this is possible??
I noticed you can link an input to a toggle button in the buttons properties, but this just seems to toggle the appearance of the button but not change its state.

No problem.

I'm doing some testing right now. Let me get back to you later on this. If you don't hear from me by tomorrow afternoon give this topic a bump. The broad idea is to put your button script into a function in the screen load script, add your input signal used for it to the sigLib table and have the inputs state and the buttons clicked script call that function. But there may be a simpler way........ catch you soon i hope.

Not sure why you think it is a bad idea to change between g90 and g91 as long as you put things back where you need it when you are done.

Bill

Bill, no idea how you extracted that out of what I posted. However the simplest way is to avoid checking, changing and setting back all together (which is what my code does) when you can. But you made no mention of checking and setting back so I had to expand to clarify. Not doing so could cause someone unaware a ton of grief. Solutions posted need to be accurate and like good scripts should not assume anything. If not and I see them, I will correct/clarify it the best I can or just delete them all together. No telling how many will see the post over time.

You might want to have a g91 before those moves in case the current position is not at 0 then switch back to g90

28
Mach4 General Discussion / Re: Reading dro value in macro
« on: October 22, 2019, 08:48:09 AM »
Screens and macros are in 2 different chunks. Neither can be seen by the other.

If the value being displayed in the DRO can be retrieved by an API call (such as... val, rc = mc.mcAxisGetMachinePos(number mInst, number axisId)) use that in your macro instead of trying to get the value of a screen entity.

If no API exist to the get the value from the DRO that means it is very likely something custom. In that case create a Register and link your DRO to that register. Screens, macros, modules, etc. can all get and/or set registers. Assuming of course they are readable/writeable. The ones you create will be. Some hardware manufacturers display some registers that are read only. Registers are the only thing that is truly global.

29
Mach4 General Discussion / Re: ISIG/OSIG Master List
« on: October 15, 2019, 04:31:05 PM »
 ;D

No worries. Glad you know where they are now.  :)

30
Mach4 General Discussion / Re: ISIG/OSIG Master List
« on: October 15, 2019, 09:50:28 AM »
No problem, I just copied them straight out of the API help file that can be found in your Mach4/Docs directory. The inputs are in it too.

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