[BUG] 1.5.0 file and folder parsing issues + pause/resume workaround

[ASTuser1]

I have a Mega M with a Trigorilla V1.1 Board (+ Blue/White Display, two endstops on Z-Axis) and i have problems to access the SD-Card with Firmware V 1.5.0-b3. As long the SD card is removed, i can access the Setup-Menu, but when the SD-Card is inserted, i see the additional "Backslash"-Folder, but the Machine doesn´t respond any longer to any input=hangs. Sending M20 via Pronterface gives me a File list, M21 tells me "SD Card ok".

What could be wrong?

[ASTuser1]

Edit: Doesn´t happen on 1.4.4.

[ASTuser1]

Also having trouble with Filament change on 1.4.4 during SD-Card-Print. Nozzle parks, releases the filament, Status on LCD goes to "paused" after pressing "continue" the filament is fed in as supposed, but after that the printer stalls. Sending M118/M24 or whatever via Cura wont resume the print. the same happens during printing directly via USB. I suppose the buffer is being filled up and no other external command is accepted.

[ASTuser1]

Ok, the Filament change won´t resume because of this:

echo:busy: processing

//action:paused //action:prompt_end //action:prompt_begin Pause //action:prompt_button Dismiss //action:prompt_show echo:busy: processing echo:busy: processing echo:busy: processing echo:busy: processing echo:busy: processing echo:busy: processing echo:busy: processing echo:busy: processing echo:Insert filament and send M108 //action:prompt_end //action:prompt_begin Nozzle Parked //action:prompt_button Continue //action:prompt_show echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user echo:busy: processing echo:busy: processing echo:busy: processing echo:busy: processing //action:prompt_end //action:prompt_begin Paused //action:prompt_button PurgeMore //action:prompt_button Continue //action:prompt_show echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user echo:busy: paused for user

Because the display cannot show "Purge more" and "Continue", it stalls in a "pause for user-loop", which i cannot break by sending various commands via serial. It wants TFT UI input to continue, no matter what command comes in via serial.

[ASTuser1]

SD works. The cause was that the SD-Card contained two Directories (Anycubic factory written with spaces and some Chinese Characters), which presumably cannot be handled by either Marlin 2.1.2 and Long File Format (since 8:3 though M20 worked)- or the Display got a Char which it did misunderstood and locked up. For whatever reason. Anyway, no issue for V1.4.4.

[ASTuser1]

Got Filament Change also working. After issuing M108 (pr pressing "Continue" on the Display) and Filament being fed in, i also have to issue also M876 S1 through the Emergency Parser to overcome the "purge More" and "Continue"-Message, which are not shown on Display.

[knutwurst]

Hi, sorry for the late reply! The information is very valuable and thank you so much for sharing it. :)

I'll take a look!

[ASTuser1]

Kein Problem / no problem :-)

[Edo681]

Hallo Ich habe ich habe Anycubic Mega S habe ein Problem wen ich beim Drucken Pause setze kann ich nicht mehr fortsetzen mit Version 1.1.9 ging gut mit 2.0 nicht mehr

[knutwurst]

Already fixed in https://github.com/knutwurst/Marlin-2-0-x-Anycubic-i3-MEGA-S/commit/4d6715761d77343408a0ec95c31f488d8cfad035.

You can use 1.5.0 Beta 4 to get everything you need :)

[ASTuser1]

Sorry for the late reply, thanks for the Fix, i will try it as soon as i can (currently the Printer is being heavily used). About the Filament issue - any chance to add M876 S1 after the Filament is being fed in or modify pause.cpp, Line 283 ff - or does a modification conflict with the Filament Menu?

  #if M600_PURGE_MORE_RESUMABLE
    if (show_lcd) {
      // Show "Purge More" / "Resume" menu and wait for reply
      KEEPALIVE_STATE(PAUSED_FOR_USER);
      wait_for_user = false;
      #if EITHER(HAS_MARLINUI_MENU, DWIN_LCD_PROUI)
        ui.pause_show_message(PAUSE_MESSAGE_OPTION); // Also sets PAUSE_RESPONSE_WAIT_FOR
      #else
        pause_menu_response = PAUSE_RESPONSE_WAIT_FOR;
        //pause_menu_response = PAUSE_RESPONSE_RESUME_PRINT; // KNUTWURST
      #endif
      while (pause_menu_response == PAUSE_RESPONSE_WAIT_FOR) idle_no_sleep();
    }
  #endif

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