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📝 Fix X2_MAX_POS comment (#23873)

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InsanityAutomation 2022-03-13 18:00:35 -04:00 committed by Scott Lahteine
parent 61b470249c
commit 8d20c5aadf
2 changed files with 19 additions and 23 deletions
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15
Marlin/Configuration_adv.h
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@ -812,15 +812,14 @@
//#define DUAL_X_CARRIAGE
#if ENABLED(DUAL_X_CARRIAGE)
#define X1_MIN_POS X_MIN_POS // Set to X_MIN_POS
#define X1_MAX_POS X_BED_SIZE // Set a maximum so the first X-carriage can't hit the parked second X-carriage
#define X2_MIN_POS 80 // Set a minimum to ensure the second X-carriage can't hit the parked first X-carriage
#define X2_MAX_POS 353 // Set this to the distance between toolheads when both heads are homed
#define X2_HOME_DIR 1 // Set to 1. The second X-carriage always homes to the maximum endstop position
#define X1_MAX_POS X_BED_SIZE // A max coordinate so the X1 carriage can't hit the parked X2 carriage
#define X2_MIN_POS 80 // A min coordinate so the X2 carriage can't hit the parked X1 carriage
#define X2_MAX_POS 353 // The max position of the X2 carriage, typically also the home position
#define X2_HOME_DIR 1 // Set to 1. The X2 carriage always homes to the max endstop position
#define X2_HOME_POS X2_MAX_POS // Default X2 home position. Set to X2_MAX_POS.
// However: In this mode the HOTEND_OFFSET_X value for the second extruder provides a software
// override for X2_HOME_POS. This also allow recalibration of the distance between the two endstops
// without modifying the firmware (through the "M218 T1 X???" command).
// Remember: you should set the second extruder x-offset to 0 in your slicer.
// NOTE: For Dual X Carriage use M218 T1 Xn to override the X2_HOME_POS.
// This allows recalibration of endstops distance without a rebuild.
// Remember to set the second extruder's X-offset to 0 in your slicer.
// This is the default power-up mode which can be changed later using M605 S<mode>.
#define DEFAULT_DUAL_X_CARRIAGE_MODE DXC_AUTO_PARK_MODE

11
Marlin/src/module/motion.cpp
View file

@ -125,9 +125,7 @@ xyze_pos_t destination; // {0}
);
// Transpose from [XYZ][HOTENDS] to [HOTENDS][XYZ]
HOTEND_LOOP() LOOP_ABC(a) hotend_offset[e][a] = tmp[a][e];
#if ENABLED(DUAL_X_CARRIAGE)
hotend_offset[1].x = _MAX(X2_HOME_POS, X2_MAX_POS);
#endif
TERN_(DUAL_X_CARRIAGE, hotend_offset[1].x = _MAX(X2_HOME_POS, X2_MAX_POS));
}
#endif
@ -1116,14 +1114,13 @@ FORCE_INLINE void segment_idle(millis_t &next_idle_ms) {
bool idex_mirrored_mode = false; // Used in mode 3
float x_home_pos(const uint8_t extruder) {
if (extruder == 0)
return X_HOME_POS;
else
if (extruder == 0) return X_HOME_POS;
/**
* In dual carriage mode the extruder offset provides an override of the
* second X-carriage position when homed - otherwise X2_HOME_POS is used.
* This allows soft recalibration of the second extruder home position
* without firmware reflash (through the M218 command).
* (with M218 T1 Xn) without firmware reflash.
*/
return hotend_offset[1].x > 0 ? hotend_offset[1].x : X2_HOME_POS;
}