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Quad Z stepper support (#16277)

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This commit is contained in:
InsanityAutomation
2020-01-20 00:35:07 -05:00
committed by Scott Lahteine
parent f36f084465
commit 0fcf2b1110
52 changed files with 1198 additions and 415 deletions
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158
Marlin/src/module/motion.cpp
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@ -1156,6 +1156,9 @@ feedRate_t get_homing_bump_feedrate(const AxisEnum axis) {
#if AXIS_HAS_STALLGUARD(Z3)
stealth_states.z3 = tmc_enable_stallguard(stepperZ3);
#endif
#if AXIS_HAS_STALLGUARD(Z4)
stealth_states.z4 = tmc_enable_stallguard(stepperZ4);
#endif
#if CORE_IS_XZ && X_SENSORLESS
stealth_states.x = tmc_enable_stallguard(stepperX);
#elif CORE_IS_YZ && Y_SENSORLESS
@ -1225,6 +1228,9 @@ feedRate_t get_homing_bump_feedrate(const AxisEnum axis) {
#if AXIS_HAS_STALLGUARD(Z3)
tmc_disable_stallguard(stepperZ3, enable_stealth.z3);
#endif
#if AXIS_HAS_STALLGUARD(Z4)
tmc_disable_stallguard(stepperZ4, enable_stealth.z4);
#endif
#if CORE_IS_XZ && X_SENSORLESS
tmc_disable_stallguard(stepperX, enable_stealth.x);
#elif CORE_IS_YZ && Y_SENSORLESS
@ -1509,7 +1515,7 @@ void homeaxis(const AxisEnum axis) {
#if ENABLED(Y_DUAL_ENDSTOPS)
case Y_AXIS:
#endif
#if Z_MULTI_ENDSTOPS
#if ENABLED(Z_MULTI_ENDSTOPS)
case Z_AXIS:
#endif
stepper.set_separate_multi_axis(true);
@ -1593,77 +1599,119 @@ void homeaxis(const AxisEnum axis) {
}
}
#endif
#if ENABLED(Z_DUAL_ENDSTOPS)
#if ENABLED(Z_MULTI_ENDSTOPS)
if (axis == Z_AXIS) {
const float adj = ABS(endstops.z2_endstop_adj);
if (adj) {
if (pos_dir ? (endstops.z2_endstop_adj > 0) : (endstops.z2_endstop_adj < 0)) stepper.set_z_lock(true); else stepper.set_z2_lock(true);
do_homing_move(axis, pos_dir ? -adj : adj);
#if NUM_Z_STEPPER_DRIVERS == 2
const float adj = ABS(endstops.z2_endstop_adj);
if (adj) {
if (pos_dir ? (endstops.z2_endstop_adj > 0) : (endstops.z2_endstop_adj < 0)) stepper.set_z_lock(true); else stepper.set_z2_lock(true);
do_homing_move(axis, pos_dir ? -adj : adj);
stepper.set_z_lock(false);
stepper.set_z2_lock(false);
}
#else
// Handy arrays of stepper lock function pointers
typedef void (*adjustFunc_t)(const bool);
adjustFunc_t lock[] = {
stepper.set_z_lock, stepper.set_z2_lock, stepper.set_z3_lock
#if NUM_Z_STEPPER_DRIVERS >= 4
, stepper.set_z4_lock
#endif
};
float adj[] = {
0, endstops.z2_endstop_adj, endstops.z3_endstop_adj
#if NUM_Z_STEPPER_DRIVERS >= 4
, endstops.z4_endstop_adj
#endif
};
adjustFunc_t tempLock;
float tempAdj;
// Manual bubble sort by adjust value
if (adj[1] < adj[0]) {
tempLock = lock[0], tempAdj = adj[0];
lock[0] = lock[1], adj[0] = adj[1];
lock[1] = tempLock, adj[1] = tempAdj;
}
if (adj[2] < adj[1]) {
tempLock = lock[1], tempAdj = adj[1];
lock[1] = lock[2], adj[1] = adj[2];
lock[2] = tempLock, adj[2] = tempAdj;
}
#if NUM_Z_STEPPER_DRIVERS >= 4
if (adj[3] < adj[2]) {
tempLock = lock[2], tempAdj = adj[2];
lock[2] = lock[3], adj[2] = adj[3];
lock[3] = tempLock, adj[3] = tempAdj;
}
if (adj[2] < adj[1]) {
tempLock = lock[1], tempAdj = adj[1];
lock[1] = lock[2], adj[1] = adj[2];
lock[2] = tempLock, adj[2] = tempAdj;
}
#endif
if (adj[1] < adj[0]) {
tempLock = lock[0], tempAdj = adj[0];
lock[0] = lock[1], adj[0] = adj[1];
lock[1] = tempLock, adj[1] = tempAdj;
}
if (pos_dir) {
// normalize adj to smallest value and do the first move
(*lock[0])(true);
do_homing_move(axis, adj[1] - adj[0]);
// lock the second stepper for the final correction
(*lock[1])(true);
do_homing_move(axis, adj[2] - adj[1]);
#if NUM_Z_STEPPER_DRIVERS >= 4
// lock the third stepper for the final correction
(*lock[2])(true);
do_homing_move(axis, adj[3] - adj[2]);
#endif
}
else {
#if NUM_Z_STEPPER_DRIVERS >= 4
(*lock[3])(true);
do_homing_move(axis, adj[2] - adj[3]);
#endif
(*lock[2])(true);
do_homing_move(axis, adj[1] - adj[2]);
(*lock[1])(true);
do_homing_move(axis, adj[0] - adj[1]);
}
stepper.set_z_lock(false);
stepper.set_z2_lock(false);
}
}
#endif
#if ENABLED(Z_TRIPLE_ENDSTOPS)
if (axis == Z_AXIS) {
// we push the function pointers for the stepper lock function into an array
void (*lock[3]) (bool)= {&stepper.set_z_lock, &stepper.set_z2_lock, &stepper.set_z3_lock};
float adj[3] = {0, endstops.z2_endstop_adj, endstops.z3_endstop_adj};
stepper.set_z3_lock(false);
#if NUM_Z_STEPPER_DRIVERS >= 4
stepper.set_z4_lock(false);
#endif
void (*tempLock) (bool);
float tempAdj;
// manual bubble sort by adjust value
if (adj[1] < adj[0]) {
tempLock = lock[0], tempAdj = adj[0];
lock[0] = lock[1], adj[0] = adj[1];
lock[1] = tempLock, adj[1] = tempAdj;
}
if (adj[2] < adj[1]) {
tempLock = lock[1], tempAdj = adj[1];
lock[1] = lock[2], adj[1] = adj[2];
lock[2] = tempLock, adj[2] = tempAdj;
}
if (adj[1] < adj[0]) {
tempLock = lock[0], tempAdj = adj[0];
lock[0] = lock[1], adj[0] = adj[1];
lock[1] = tempLock, adj[1] = tempAdj;
}
if (pos_dir) {
// normalize adj to smallest value and do the first move
(*lock[0])(true);
do_homing_move(axis, adj[1] - adj[0]);
// lock the second stepper for the final correction
(*lock[1])(true);
do_homing_move(axis, adj[2] - adj[1]);
}
else {
(*lock[2])(true);
do_homing_move(axis, adj[1] - adj[2]);
(*lock[1])(true);
do_homing_move(axis, adj[0] - adj[1]);
}
stepper.set_z_lock(false);
stepper.set_z2_lock(false);
stepper.set_z3_lock(false);
#endif
}
#endif
// Reset flags for X, Y, Z motor locking
switch (axis) {
default: break;
#if ENABLED(X_DUAL_ENDSTOPS)
case X_AXIS:
#endif
#if ENABLED(Y_DUAL_ENDSTOPS)
case Y_AXIS:
#endif
#if Z_MULTI_ENDSTOPS
#if ENABLED(Z_MULTI_ENDSTOPS)
case Z_AXIS:
#endif
stepper.set_separate_multi_axis(false);
default: break;
stepper.set_separate_multi_axis(false);
}
#endif