Speed percent changes by itself. #57

polacoloco · 2021-01-05T22:57:22Z

Often I have to select the speed percent and change it back to normal (100%). Something is randomly putting in other percentages like 104%, 242%, 123% and so on. I have to be really careful to check this and not starting a print with the speed set to high. Really annoying!

oldman4U · 2021-01-07T13:47:21Z

Do you see two values when you change a setting like speed, flow or fan?

DerInternets · 2021-01-07T21:37:27Z

Same issue here - menu shows xxx/xxx - so current / expected value. I also get completely random speed settings from time to time. Last value was nearly 400% - the noises my double z-axis motors made when trying to move 50mm upwards were horrible.

oldman4U · 2021-01-08T11:03:40Z

Maybe a video showing the issue would help.

sarvenn · 2021-01-09T09:04:43Z

I had the same issue whenever I change the speed manually. Even while changing the percentage value to %100 manually it jump again to a different value.

oldman4U · 2021-01-09T10:06:36Z

Load the master firmware and let us know.

oldman4U · 2021-01-09T22:22:12Z

Any news?

polacoloco · 2021-01-10T12:47:37Z

Im no expert on this stuff. Where can i find the master firmware? Ive just downloaded the files from this page.

radek8 · 2021-01-10T19:38:06Z

https://github.com/bigtreetech/BIGTREETECH-TouchScreenFirmware/tree/master/Copy%20to%20SD%20Card%20root%20directory%20to%20update

polacoloco · 2021-01-10T22:32:15Z

https://github.com/bigtreetech/BIGTREETECH-TouchScreenFirmware/tree/master/Copy%20to%20SD%20Card%20root%20directory%20to%20update

This is the files that are currently in my tft. I had the same issue with the stock firmware on the tft.

oldman4U · 2021-01-10T22:33:00Z

Please make a movie which shows the issue and attach it here.

radek8 · 2021-01-10T23:09:18Z

The speed changes when you turn the encoder wheel ....
Am I right? :-)

radek8 · 2021-01-10T23:21:04Z

This is a well-known problem.
If you only use EXP3 to connect Marlin and TFT, you have this problem.
This could also be addressed, but Marlin will need to be modified and another wire connected. I haven't tried it, but it should work.

oldman4U · 2021-01-11T11:38:06Z

By itself is something different for me....😁

oldman4U · 2021-01-12T21:36:33Z

Any news?

Please let us know or close the ticket.

Thank you

polacoloco · 2021-01-13T09:53:43Z

This is a well-known problem.
If you only use EXP3 to connect Marlin and TFT, you have this problem.
This could also be addressed, but Marlin will need to be modified and another wire connected. I haven't tried it, but it should work.

I use two cables to connect the tft to my skr mini e3 v2.0. The ones that came with the tft. How should I modify marlin?

oldman4U · 2021-01-13T10:08:43Z

Please upload a movie showing the issue.

radek8 · 2021-01-13T12:56:53Z

Yes, you are using 2 cables.
1pc - 10pin for Marlin mode
1pc - 5pin for touch mode.
you have a SKR mini V2.0 board - important information!
What version does your display have?
Can you confirm that the problem is with changing the print speed if you turn the encoder knob?

polacoloco · 2021-01-13T15:19:04Z

Yes, now I noticed. F.ex when I increase the nozzle temperature with the knob, when I go back to the main screen the print speed has changed.

Tried to upload a video but was over 10MB so it didn’t upload.

radek8 · 2021-01-13T17:13:06Z

No video required. Oldman4U finds some other erotic video on Youtube :-)

radek8 · 2021-01-13T17:22:16Z

Now write me what type of display you have.
The problem described is a HW problem in the encoder connection.
This problem can be solved by SW repair.
Write me what version of Marlin you are using (must be newer than 25.10.2020)
I also need to know which pin you don't use on the marlin board and maybe use it.

polacoloco · 2021-01-13T21:54:47Z

pins not being used I don’t know. Got no extra fans or stuff like that connected. Only the bltouch.

radek8 · 2021-01-13T23:25:47Z

Try this adjustment:

connect pin PC13 on SKR to pin PC6 on TFT.

Edit the file "pins_BTT_SKR_MINI_E3_V2_0.h" according to the picture

#if ENABLED(CR10_STOCKDISPLAY)
#define BTN_ENC_EN PC13 // Detect the presence of the encoder
#endif

Compile and upload the new Marlin.

polacoloco · 2021-01-14T07:16:10Z

Thanks! I will try this as soon as possible and get back to you with the results!

radek8 · 2021-01-14T18:25:30Z

@polacoloco, beware your version of Marlin does not have a patch implemented.
Use Marlin "Nightly" Builds = bugfix-2.0.x

https://github.com/MarlinFirmware/Marlin/tree/bugfix-2.0.x

demandzm · 2021-01-15T03:28:34Z

I have the same issue with a tft35 v3 connected to a skr1.4 turbo with ext1 ext2 and serial. Does this fix still apply with 3 cables?

radek8 · 2021-01-15T06:30:19Z

The correction was implemented in the 10th month of 2020.
It uses a free pin on the EXP1 connector to detect the mode
Therefore, if you have the current FW on the TFT and the EXP1 + EXP2 + RS232 connector is used for the connection, you should not have this problem.
If you have this problem, it means that you do not have an up-to-date Marlin.
Use Marlin "Nightly" Builds = bugfix-2.0.x
https://github.com/MarlinFirmware/Marlin/tree/bugfix-2.0.x
The stable version 2.0.7.2 does not yet contain the fix.

oldman4U · 2021-01-17T22:29:51Z

Any news?

oldman4U · 2021-01-20T18:23:51Z

Please help the community and close the ticket once you do not need it anymore. Thank you

polacoloco · 2021-01-20T19:56:35Z

Please help the community and close the ticket once you do not need it anymore. Thank you

I will. I promise. Don’t you worry bout that. My printer is currently being rebuilt so it might take a couple of days.
Thank you

oldman4U · 2021-01-20T21:41:13Z

Perfect Happy printing polacoloco <notifications@github.com> schrieb am Mi. 20. Jän. 2021 um 20:56:

…

Please help the community and close the ticket once you do not need it anymore. Thank you I will. I promise. Don’t you worry bout that. My printer is currently being rebuilt so it might take a couple of days. Thank you — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#57 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AM6XKZF66KUGCJWVF3KM3N3S24YQJANCNFSM4VWROPFA> .

craftyham · 2021-02-06T16:33:48Z

Often I have to select the speed percent and change it back to normal (100%). Something is randomly putting in other percentages like 104%, 242%, 123% and so on. I have to be really careful to check this and not starting a print with the speed set to high. Really annoying!

I noticed this as well. I have yet to pin point when it happens; & what was done last.

oldman4U · 2021-02-06T16:43:14Z

In case you see only one value and not two (current/defined) you have an old firmware of the TFT. Update and you will see two values and the problem will be gone. craftyham <notifications@github.com> schrieb am Sa. 6. Feb. 2021 um 17:34:

…

Often I have to select the speed percent and change it back to normal (100%). Something is randomly putting in other percentages like 104%, 242%, 123% and so on. I have to be really careful to check this and not starting a print with the speed set to high. Really annoying! I noticed this as well. I have yet to pin point when it happens; & what was done last. — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#57 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AM6XKZHRKEAQSBM2EYMJKT3S5VVPVANCNFSM4VWROPFA> .

polacoloco · 2021-02-06T20:46:03Z

Often I have to select the speed percent and change it back to normal (100%). Something is randomly putting in other percentages like 104%, 242%, 123% and so on. I have to be really careful to check this and not starting a print with the speed set to high. Really annoying!

I noticed this as well. I have yet to pin point when it happens; & what was done last.

It’s when you use the encoder knob to change other values such as nozzle temp, it actually change the speed percent in the background. Stop using the knob and the speed will stop changing. Try it

oldman4U · 2021-02-06T20:55:09Z

Correct. Using latest version this has been fixed for mainboards connected via EXP 1and 2 but can not be fixed in case of EXP 3 connected mainboards. polacoloco <notifications@github.com> schrieb am Sa. 6. Feb. 2021 um 21:46:

…

Often I have to select the speed percent and change it back to normal (100%). Something is randomly putting in other percentages like 104%, 242%, 123% and so on. I have to be really careful to check this and not starting a print with the speed set to high. Really annoying! I noticed this as well. I have yet to pin point when it happens; & what was done last. It’s when you use the encoder knob to change other values such as nozzle temp, it actually change the speed percent in the background. Stop using the knob and the speed will stop changing. Try it — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#57 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AM6XKZF23FBGGLLYDJYJ7HTS5WTBTANCNFSM4VWROPFA> .

radek8 · 2021-02-07T13:38:31Z

@polacoloco have you tried my proposed edit?

oldman4U · 2021-02-15T13:15:15Z

Please help the community and close the ticket once you do not need it anymore. Thank you

phongshader · 2021-09-17T21:30:04Z

I realize this has been closed for a while but I having this exact issue. I'm running Marlin bugfix-2.0x 09/11/21 and BIGTREE_TFT35_V3.0_E3.27.x.bin from the same day.
when I start the printer the speed is 100% when I load gcode the speed multiplier jumps to anything from 150% to 350%. I can reset the multiplier to 100% but if I load the same gcode the multiplier will change to some other greater speed multiplier. The multiplier is NOT in the gcode.
Is there a fix for this, other than not using the knob to adjust settings?

oldman4U · 2021-09-18T05:58:52Z

You can fix it by buying a mainboard which connects via EXP1 and 2 or disable Marlin on yours.

radek8 · 2021-09-18T08:21:35Z

@phongshader .
You didn't specify what Marlin board you were using.
This is quite important information.

It is a well-known problem that has several solutions.

You stop using the encoder in touch mode
disconnect the EXP3 cable and you will not be using Marlin mode
you buy a board that has EXP1 and EXP2 connectors
In Marlin, disable the return to the status screen after the set time has elapsed and after turning on the printer, just one click on the encoder and then you can rotate the encoder and the speed will not change. Be careful not to click in touch mode anymore.
Use the hack above. Speed percent changes by itself. #57 (comment)

I recommend the 4th solution. I used it myself before it was repaired when using cable EXP1 and 2
Just set in Configuration_adv.h
#define LCD_TIMEOUT_TO_STATUS -1

The speed changes when the encoder is rotated while the Marlin status screen is on the screen (even when the display is switched to touch). If you exit the status screen by clicking once and prevent the status screen from automatically returning after the set time has elapsed, the speed will no longer change.

phongshader · 2021-09-19T14:39:58Z

Sorry, the board is a skr mini e3 v2 running Marlin bugfix-2.0x 09/11/21. So there is no solution that keeps the full functionality of the touchscreen/marlin mode? When you say the hack above are you referring to #57 (comment)

radek8 · 2021-09-19T14:46:24Z

Yes.
There are five solutions. I've described them all.
3. 4. and 5. will maintain the full functionality of both interfaces

phongshader · 2021-09-19T17:08:21Z

Thank you...solutions...sort of, 3 is not really a solution, change the horse to fit the shoe?, 4 "Be careful not to click in touch mode anymore." 5 is really the only solution, unless I'm misunderstanding how 4 works. Nevertheless I can work around this with a startup script in the slicer.

radek8 · 2021-09-19T18:02:42Z

Never click the encoder in touch mode!
You can only spin the encoder if you can get the pulses of the coder to keep the Marlins from.

radek8 · 2021-09-19T18:54:33Z

How would you like to handle this in the startup script?

phongshader · 2021-09-19T19:22:49Z

simple, m220 s100 so it gets reset to 100 regardless of what the encoder says...right?

radek8 · 2021-09-19T20:32:44Z

Yes, when you start printing you will have a speed of 100%, but you will find that you need to tune the child step or temperature. As soon as you touch the encoder, you also change the print speed.
This is not a good solution.

radek8 · 2021-09-19T20:34:20Z

The M220 S100 command only sets the value.
It does not block input from the encoder

oldman4U · 2021-09-19T21:16:11Z

If this would work it would only make sense if you would be able to change the print speed using the encoder before you started the print. Or is it that I have too many twists in my brain because of the strange thinking!!??

Marlin mode - use encoder
Touchscreen mode - use the touchscreen

polacoloco closed this as completed Feb 15, 2021

radek8 mentioned this issue Mar 24, 2021

Encoder bug #69

Closed

radek8 mentioned this issue Dec 30, 2021

marlin mode runs in the background #75

Open

Speed percent changes by itself. #57

Speed percent changes by itself. #57

Comments

polacoloco commented Jan 5, 2021

oldman4U commented Jan 7, 2021

DerInternets commented Jan 7, 2021

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