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Marlin Firmware for Delta

Posted by RostockMini4tw 
Marlin Firmware for Delta
July 19, 2014 10:53AM
Hello

I playing around since days with different branches of Marlin Firmware. I can't find a version which completely works on my Rostock Mini.
Main version from ErikZalm (https://github.com/ErikZalm/Marlin) works well for printing, beside that the head moves outside of printing area at the end of a print when G28 command is added. Iiirc this only happens with gcode generated by Cura. However, I have FSR connected and want to use the automatic bed leveling feature. If I execute G29 with the latter firmware the head move outside of the printing area.
The firmware from jcrocholl (https://github.com/jcrocholl/Marlin), Kossel branch, which seems to be the latest, does not fit because it assumes the FSR are connected to ADC input but mine are connected to Z_MIN to keep compatibility with Repetier firmware.

Anyone can suggest a way how to make AUTO_BED_LEVELING_GRID work in "standard" Marlin on a delta printer?
I "debugged" it a bit and the problem is in function "plan_get_position()" which is executed in G29 command. This one resets the variable "current_position" to very strange values.
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