🩹 Simple IA-Creality babystep patch

See #26896 (comment)

Co-Authored-By: ellensp <530024+ellensp@users.noreply.github.com>

Author: thinkyhead

Marlin/src/lcd/extui/ia_creality/ia_creality_rts.cpp

@@ -793,7 +793,7 @@ void RTS::handleData() {
           tmp_zprobe_offset = (float(recdat.data[0]) - 65536) / 100;
         else
           tmp_zprobe_offset = float(recdat.data[0]) / 100;
-        if (WITHIN((tmp_zprobe_offset), PROBE_OFFSET_ZMIN, PROBE_OFFSET_ZMAX)) {
+        if (WITHIN(tmp_zprobe_offset, PROBE_OFFSET_ZMIN, PROBE_OFFSET_ZMAX)) {
           int16_t tmpSteps = mmToWholeSteps(getZOffset_mm() - tmp_zprobe_offset, axis_t(Z));
           if (tmpSteps == 0) tmpSteps = getZOffset_mm() < tmp_zprobe_offset ? 1 : -1;
           smartAdjustAxis_steps(-tmpSteps, axis_t(Z), false);

Marlin/src/lcd/tft/ui_common.cpp

@@ -71,12 +71,16 @@ void moveAxis(const AxisEnum axis, const int8_t direction) {
     }
   #endif
 
-  const float diff = motionAxisState.currentStepSize * direction;
+  float diff = motionAxisState.currentStepSize * direction;
 
   #if HAS_BED_PROBE
 
     if (axis == Z_AXIS && motionAxisState.z_selection == Z_SELECTION_Z_PROBE) {
+
       #if ENABLED(BABYSTEP_ZPROBE_OFFSET)
+
+        diff = 0;
+
         const int16_t babystep_increment = direction * BABYSTEP_SIZE_Z;
         const bool do_probe = DISABLED(BABYSTEP_HOTEND_Z_OFFSET) || active_extruder == 0;
         const float bsDiff = planner.mm_per_step[Z_AXIS] * babystep_increment,
@@ -97,7 +101,8 @@ void moveAxis(const AxisEnum axis, const int8_t direction) {
         else
           drawMessage(GET_TEXT_F(MSG_LCD_SOFT_ENDSTOPS));
 
-      #else
+      #else // !BABYSTEP_ZPROBE_OFFSET
+
         // Only change probe.offset.z
         probe.offset.z += diff;
         if (direction < 0 && current_position.z < PROBE_OFFSET_ZMIN) {
@@ -112,7 +117,8 @@ void moveAxis(const AxisEnum axis, const int8_t direction) {
           drawMessage_P(NUL_STR); // Clear the error
 
         drawAxisValue(axis);
-      #endif
+
+      #endif // !BABYSTEP_ZPROBE_OFFSET
     }
 
   #endif // HAS_BED_PROBE