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Arc error-checking update.

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- Updated offset-mode arc error-checking to EMC2’s version: The old
NIST definition required the radii to the current location and target
location to differ no more than 0.002mm. This proved to be problematic
and probably why LinuxCNC(EMC2) updated it to be 0.005mm AND 0.1%
radius OR 0.5mm.
This commit is contained in:
Sonny Jeon 2014-05-31 23:23:21 -06:00
parent 8ed8005f6c
commit 79e0e45826
2 changed files with 7 additions and 3 deletions
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8
gcode.c
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@ -742,8 +742,12 @@ uint8_t gc_execute_line(char *line)
y -= gc_block.values.ijk[axis_1]; // Delta y between circle center and target
float target_r = hypot_f(x,y);
gc_block.values.r = hypot_f(gc_block.values.ijk[axis_0], gc_block.values.ijk[axis_1]); // Compute arc radius for mc_arc
if (fabs(target_r-gc_block.values.r) > 0.002) { FAIL(STATUS_GCODE_INVALID_TARGET); } // [Arc definition error]
target_r = fabs(target_r-gc_block.values.r);
if (target_r > 0.005) {
if (target_r > 0.5) { FAIL(STATUS_GCODE_INVALID_TARGET); } // [Arc definition error]
if (target_r > 0.001*gc_block.values.r) { FAIL(STATUS_GCODE_INVALID_TARGET); } // [Arc definition error]
}
}
break;
case MOTION_MODE_PROBE: