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Don't split first_move while homing or probing

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While homing or probing it might be bad if the stop/trobe triggers during the first part and the second is still in the buffer.
This commit is contained in:
AnHardt 2017-12-06 14:08:49 +01:00
parent aeb5c623c1
commit a993c5227d
3 changed files with 7 additions and 2 deletions
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2
Marlin/src/module/motion.cpp
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@ -426,11 +426,13 @@ void bracket_probe_move(const bool before) {
saved_feedrate_percentage = feedrate_percentage;
feedrate_percentage = 100;
gcode.refresh_cmd_timeout();
planner.split_first_move = false;
}
else {
feedrate_mm_s = saved_feedrate_mm_s;
feedrate_percentage = saved_feedrate_percentage;
gcode.refresh_cmd_timeout();
planner.split_first_move = true;
}
}

6
Marlin/src/module/planner.cpp
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@ -103,6 +103,8 @@ float Planner::max_feedrate_mm_s[XYZE_N], // Max speeds in mm per second
uint8_t Planner::last_extruder = 0; // Respond to extruder change
#endif
bool Planner::split_first_move = true;
int16_t Planner::flow_percentage[EXTRUDERS] = ARRAY_BY_EXTRUDERS1(100); // Extrusion factor for each extruder
float Planner::e_factor[EXTRUDERS], // The flow percentage and volumetric multiplier combine to scale E movement
@ -1444,8 +1446,8 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
if (DEBUGGING(DRYRUN))
position[E_AXIS] = target[E_AXIS];
// Always split the first move into one longer and one shorter move
if (!blocks_queued()) {
// Always split the first move into two (if not homing or probing)
if (!blocks_queued() && split_first_move) {
#define _BETWEEN(A) (position[A##_AXIS] + target[A##_AXIS]) >> 1
const int32_t between[XYZE] = { _BETWEEN(X), _BETWEEN(Y), _BETWEEN(Z), _BETWEEN(E) };
DISABLE_STEPPER_DRIVER_INTERRUPT();

1
Marlin/src/module/planner.h
View File

@ -165,6 +165,7 @@ class Planner {
travel_acceleration, // Travel acceleration mm/s^2 DEFAULT ACCELERATION for all NON printing moves. M204 MXXXX
max_jerk[XYZE], // The largest speed change requiring no acceleration
min_travel_feedrate_mm_s;
static bool split_first_move;
#if HAS_LEVELING
static bool leveling_active; // Flag that bed leveling is enabled