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UM2+: Can't install firmware via USB


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Posted · UM2+: Can't install firmware via USB

I ended up using PlatformIO inside VSCode to build the mark2 firmware. I had to update the platformio.ini settings to match the make parameters from the DualExpansionBoard build rule, since thats what I have:

 

src_build_flags = 
    -DTEMP_SENSOR_1=20 
    -DEXTRUDERS=2 
    -DTEMP_SENSOR_BED=20 
    -DFILAMENT_SENSOR_PIN=30 
    -DBABYSTEPPING 
    -DUM2PLUS 
    -DTCSDSCRIPT 
    -DFAN2_PIN=6 
    -DHOTEND_FAN2_PIN=14 
    -DZ_MAX_POS=325 
    -DDEFAULT_POWER_BUDGET=160 
    -DHEATER_0_MAXTEMP=315 
    -DHEATER_1_MAXTEMP=315    
    -DSTRING_CONFIG_H_AUTHOR=\"TinkerMark2_19.03\"
    -DHEATER_2_MAXTEMP=315 
    -DEEPROM_VERSION=\"V12\"

 

Now, I've finally got mark2 19.03 installed on my UM2+, but I'm fighting with "X or Y switch disabled" error that others have seen on tinker firmware.

 

I resinstalled the stock firmware and then did a factory reset, then I reinstalled my mark2 firmware. 

Advanced > preferences > print area shows that x and y  min and max are all zeroes. Updated to

x: 0 - 230

y: 0 - 224.5  
z 230

based on the defines in Configuration.h . Now I'm finally able to go through the calibration step of Mark2 build. Wooo!

 

Mostly just documenting this for anyone else who goes down this path. Also attached is my Mark2 DualExpansion board firmware, but no guarantees that it works for anyone else!

CustomMark2DualExpansionBoard1903.hex.zip

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