Re: [Emc-users] Conversion from Linuxcnc 2.8.2 to master - now have missing "dpll" pin

[Peter C. Wallace]

On Tue, 25 Oct 2022, Alan Condit wrote:


Date: Tue, 25 Oct 2022 21:27:54 -0500
From: Alan Condit 
Reply-To: "Enhanced Machine Controller (EMC)"

To: EMC-Users 
Subject: Re: [Emc-users] Conversion from Linuxcnc 2.8.2 to master - now have
missing "dpll" pin

I commented out the two offending lines from the new configuration file. Now it 
doesn??t error out on the missing lines:

#setp [HMOT](CARD0).dpll.01.timer-us -50
#setp [HMOT](CARD0).stepgen.timer-number 1

However, the very first error is the ??Watchdog has bitten??.

It seems like an error in pncconf if it inserts dpll.01.timer-us where 
mesa software has no dpll pins or am I misunderstanding this?


Alan



pncconf doesnt know if the firmware has a DPLL or not
(though all recent EThernet firmware does)

What hardware do you have?

A watchdog bite likely indicates a real time issue with the host or OS.


Peter Wallace
Mesa Electronics

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Re: [Emc-users] Conversion from Linuxcnc 2.8.2 to master - now have missing "dpll" pin

[Alan Condit]

I commented out the two offending lines from the new configuration file. Now it 
doesn’t error out on the missing lines:
#setp [HMOT](CARD0).dpll.01.timer-us -50
#setp [HMOT](CARD0).stepgen.timer-number 1
However, the very first error is the “Watchdog has bitten”.

It seems like an error in pncconf if it inserts  dpll.01.timer-us where mesa 
software has no dpll pins or am I misunderstanding this?

Alan


> From: "Peter C. Wallace" 
> Subject: Re: [Emc-users] Conversion from Linuxcnc 2.8.2 to master - now have 
> missing "dpll" pin
> Date: October 24, 2022 at 10:01:26 PM CDT
> To: "Enhanced Machine Controller (EMC)" 
> 
> 
> On Mon, 24 Oct 2022, Alan Condit wrote:
> 
>> Date: Mon, 24 Oct 2022 21:01:07 -0500
>> From: Alan Condit 
>> Reply-To: "Enhanced Machine Controller (EMC)"
>>
>> To: EMC-Users 
>> Subject: [Emc-users] Conversion from Linuxcnc 2.8.2 to master - now have
>>missing "dpll" pin
>> I am trying to get all of my machines running master on Debian Bullseye.
>> This evening I got Linuxcnc compiled on my lathe. It errors out reporting a 
>> missing pin �.dpll", which has a set -50. I had no errors before I ran 
>> pncconf on my existing .conf file. The line that has the error did not exist 
>> in my .hal file prior to converting it. Is this related to the watchdog 
>> timer?
>> 
>> Thanks,
>> Alan
> 
> There should not be any hal file changes needed between a 2.8 and 2.9
> so you should just use you original hal/ini files.
> 
> The DPLL error is likely because pncconf inserted a DPLL related statement 
> but your firmware has no DPLL. If you want to use the pncconf created hal 
> file, just delete any line mentioning a DPLL.
> 
> 
> 
> Peter Wallace


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Re: [Emc-users] OT How to make fine splines

[andy pugh]

On Tue, 25 Oct 2022 at 09:31, Roland Jollivet  wrote:
>
> If you have a CNC lathe, you could do this;
>
> https://www.youtube.com/watch?v=TW6QPl8Oy7g

It could be done with a mill too, with a non-rotating fixture on the
head. But that still needs a run-out at the shoulder.

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1912


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[Emc-users] OT How to make fine splines

[Roland Jollivet]

If you have a CNC lathe, you could do this;

https://www.youtube.com/watch?v=TW6QPl8Oy7g



On Mon, 24 Oct 2022 at 16:32, John Figie  wrote:

> I have a 1978 Honda XL175 I want to get running again. The Kick start shaft
> is broken, a common problem on this bike. Replacements are hard to find and
> usually $400 or more. Maybe I can make a few and sell a few. I am wondering
> if I can use 4130 steel that is pre hardened to Rockwell C32 and has
> 135,000 psi tensile strength. Or maybe just take a grade 8 bolt and machine
> it. or maybe even a metric grade 12.9 bolt which should be even stronger.
> Anyway I am wondering how the splines were made on the original. I could
> use the E head, (shaper) on my bridgeport and a rotary table. Do you think
> this is a good idea?
>
> Shaft_Model 
> Spline 
> John Figie
>
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