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I'm having trouble getting Marlin 2.0.9.3 wrork on Sanguinololu 1.3a control boa

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pcmad:

--- Quote from: MarkF on April 01, 2022, 11:21:21 pm ---You select your board in the configuration.h file and the pins definition file is selected automatically.

Actually, the pins_SANGUINOLOLU_12.h includes the pins_SANGUINOLOLU_11.h file.

--- Code: ---  #ifndef BOARD_NAME
    #define BOARD_NAME "Sanguinololu 1.2"
  #endif

  #define SANGUINOLOLU_V_1_2
  #include "pins_SANGUINOLOLU_11.h"
--- End code ---

I assume the OP knows how to setup the Configuration.h and Configuration_adv.h files since Marlin 1.1.9.1 runs okay.  If not, I would suggest starting with the appropriate example config files for the printer.

F.Y.I.  Marlin 2.0 uses more memory than the similarly configured 1.9.1.1 version.  I heavily modified Marlin 1.1.9.1 for my CR-10 Mini.  So, I haven't updated to Marlin 2.0.  The ATmega1284P has very limited program memory and some options may need to be given up to run Marlin 2.0.

--- End quote ---


what would you say the ram / load useage difference would be in the 2 versions Marlin 2.0 vs Marlin 1.1.9.1 

MarkF:
(It has been several months since I've looked at Marlin.......)

I have installed VS Code and setup Marlin 2.0.9.3 for my CR-10 Mini with the original Creality v1.1.3 board.  Using the example configuration files unmodified, I was able to build Marlin 2.0 with compiler optimization.  However, I was not able to get it to compile without optimization.  (i.e. The example config is right up at the limit of program space for the ATmega1284P.)

If you're looking to add a bunch of features to the example config, you will probably need to upgrade the motherboard.

I never tried to upload the binary to my printer.  I did make some effort to identify where I would need to make changes to incorporate my custom status display.  However, it was just more work than I wanted to do.

pcmad:
just to give you an update i got Marlin 2.0.9.3 on a Sanguinololu 1.3a board with a controller  atmel 1284p-pu compiled by VS studio  uploaded by an Arduino as an ISP using AVRDUDE  also if your using a 20mhz crystal make sure in VS you set the clock speed else you will have issues connecting and running the printer

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