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Collapsible long comment in gcode_T

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Scott Lahteine 2016-07-14 18:28:41 -07:00
parent 8bf6861af8
commit 7ac0b91a45
1 changed files with 23 additions and 23 deletions
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46
Marlin/Marlin_main.cpp
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@ -6587,29 +6587,29 @@ inline void gcode_T(uint8_t tmp_extruder) {
// No extra case for AUTO_BED_LEVELING_FEATURE in DUAL_X_CARRIAGE. Does that mean they don't work together? // No extra case for AUTO_BED_LEVELING_FEATURE in DUAL_X_CARRIAGE. Does that mean they don't work together?
#else // !DUAL_X_CARRIAGE #else // !DUAL_X_CARRIAGE
// /**
// Set current_position to the position of the new nozzle. * Set current_position to the position of the new nozzle.
// Offsets are based on linear distance, so we need to get * Offsets are based on linear distance, so we need to get
// the resulting position in coordinate space. * the resulting position in coordinate space.
// *
// - With grid or 3-point leveling, offset XYZ by a tilted vector * - With grid or 3-point leveling, offset XYZ by a tilted vector
// - With mesh leveling, update Z for the new position * - With mesh leveling, update Z for the new position
// - Otherwise, just use the raw linear distance * - Otherwise, just use the raw linear distance
// *
// Software endstops are altered here too. Consider a case where: * Software endstops are altered here too. Consider a case where:
// E0 at X=0 ... E1 at X=10 * E0 at X=0 ... E1 at X=10
// When we switch to E1 now X=10, but E1 can't move left. * When we switch to E1 now X=10, but E1 can't move left.
// To express this we apply the change in XY to the software endstops. * To express this we apply the change in XY to the software endstops.
// E1 can move farther right than E0, so the right limit is extended. * E1 can move farther right than E0, so the right limit is extended.
// *
// Note that we don't adjust the Z software endstops. Why not? * Note that we don't adjust the Z software endstops. Why not?
// Consider a case where Z=0 (here) and switching to E1 makes Z=1 * Consider a case where Z=0 (here) and switching to E1 makes Z=1
// because the bed is 1mm lower at the new position. As long as * because the bed is 1mm lower at the new position. As long as
// the first nozzle is out of the way, the carriage should be * the first nozzle is out of the way, the carriage should be
// allowed to move 1mm lower. This technically "breaks" the * allowed to move 1mm lower. This technically "breaks" the
// Z software endstop. But this is technically correct (and * Z software endstop. But this is technically correct (and
// there is no viable alternative). * there is no viable alternative).
// */
#if ENABLED(AUTO_BED_LEVELING_FEATURE) #if ENABLED(AUTO_BED_LEVELING_FEATURE)
// Offset extruder, make sure to apply the bed level rotation matrix // Offset extruder, make sure to apply the bed level rotation matrix
vector_3 tmp_offset_vec = vector_3(hotend_offset[X_AXIS][tmp_extruder], vector_3 tmp_offset_vec = vector_3(hotend_offset[X_AXIS][tmp_extruder],