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CoreXY homing problem #49
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After some extensive digging in the source code I solved this issue by altering line 347 in Thank you. |
@bajticzek : Thanks for digging and locating the bug. @docwelch Do you have time to look into this? |
@bajticzek and @chamnit: |
I recently added Z-Axis to my Laser machine, so if anyone is interested in homing Z too, change |
Hello,
I built a CoreXY laser machine and I am using Mega2560+RAMPS combo with grbl-Mega 1.1f. I have a problem with homing. Simply put after initiating homing, only one motor moves at a time. That means when machine should be homing X first, then Y, it doesn't. The gantry moves diagonally because only one of the motors moves at a time. Jogging works without an issue. I tried Repetier firmware and there homing and jogging works both flawlessly. But it isn't grbl, which I want to use.
I downloaded fresh .zip file, extracted the grbl folder to Arduino\libraries and edited following in config.h (pure minimum to get things working):
//#define DEFAULTS_GENERIC
,//#define CPU_MAP_2560_INITIAL
#define DEFAULTS_RAMPS_BOARD
,#define CPU_MAP_2560_RAMPS_BOARD
//#define HOMING_CYCLE_2 (1<<Z_AXIS)
and left line 110 and 111 uncommented#define HOMING_CYCLE_0 (1<<X_AXIS)
,#define HOMING_CYCLE_1 (1<<Y_AXIS)
#define COREXY
#define INVERT_MIN_LIMIT_PIN_MASK ((1<<X_AXIS) | (1<<Y_AXIS) | (1<<Z_AXIS))
to make my limit switches work as they shouldThis was my second attempt in case I missed something on the first try. I tried to edit the config.h as little as possible. But still homing doesn't work. Can you guys tell me what am I missing?
Thanks for any info.
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