saving skew to eeprom prior orthogonalizing

Firmware/Configuration.h

@@ -48,6 +48,7 @@
 #define EEPROM_BOWDEN_LENGTH (EEPROM_TEMP_CAL_ACTIVE - 2*4) //4 x int for bowden lengths for multimaterial
 #define EEPROM_CALIBRATION_STATUS_PINDA (EEPROM_BOWDEN_LENGTH - 1) //0 - not calibrated; 1 - calibrated
 #define EEPROM_SD_SORT (EEPROM_CALIBRATION_STATUS_PINDA - 1) //0 -time, 1-alpha, 2-none
+#define EEPROM_XYZ_CAL_SKEW (EEPROM_SD_SORT - 4)
 
 // Currently running firmware, each digit stored as uint16_t.
 // The flavor differentiates a dev, alpha, beta, release candidate or a release version.

Firmware/Marlin.h

@@ -331,7 +331,6 @@ extern bool mesh_bed_leveling_flag;
 extern bool mesh_bed_run_from_menu;
 
 extern float distance_from_min[3];
-extern float angleDiff;
 
 extern bool sortAlpha;
 

Firmware/Marlin_main.cpp

@@ -287,7 +287,6 @@ unsigned int custom_message_state;
 char snmm_filaments_used = 0;
 
 float distance_from_min[3];
-float angleDiff;
 
 bool sortAlpha = false;
 

Firmware/mesh_bed_calibration.cpp

@@ -143,6 +143,7 @@ BedSkewOffsetDetectionResultType calculate_machine_skew_and_offset_LS(
     int8_t        verbosity_level
     )
 {
+	float angleDiff;
     if (verbosity_level >= 10) {
 		SERIAL_ECHOLNPGM("calculate machine skew and offset LS");
 
@@ -317,6 +318,8 @@ BedSkewOffsetDetectionResultType calculate_machine_skew_and_offset_LS(
     BedSkewOffsetDetectionResultType result = BED_SKEW_OFFSET_DETECTION_PERFECT;
     {
         angleDiff = fabs(a2 - a1);
+		eeprom_update_float((float*)(EEPROM_XYZ_CAL_SKEW), angleDiff);
+
         if (angleDiff > bed_skew_angle_mild)
             result = (angleDiff > bed_skew_angle_extreme) ?
                 BED_SKEW_OFFSET_DETECTION_SKEW_EXTREME :
@@ -2478,7 +2481,7 @@ void count_xyz_details() {
 	a1 = asin(vec_x[1] / MACHINE_AXIS_SCALE_X);
 /*	MYSERIAL.println(vec_x[1]);
 	MYSERIAL.println(a1);*/
-	angleDiff = fabs(a2 - a1);
+	//angleDiff = fabs(a2 - a1);
 	for (uint8_t mesh_point = 0; mesh_point < 3; ++mesh_point) {
 		float y = vec_x[1] * pgm_read_float(bed_ref_points + mesh_point * 2) + vec_y[1] * pgm_read_float(bed_ref_points + mesh_point * 2 + 1) + cntr[1];
 		distance_from_min[mesh_point] = (y - Y_MIN_POS_CALIBRATION_POINT_OUT_OF_REACH);

Firmware/ultralcd.cpp

@@ -1348,8 +1348,11 @@ static void lcd_move_e()
 }
 
 void lcd_service_mode_show_result() {
+	float angleDiff;
 	lcd_set_custom_characters_degree();
 	count_xyz_details();
+	angleDiff = eeprom_read_float((float*)(EEPROM_XYZ_CAL_SKEW));
+	
 	lcd_update_enable(false);
 	lcd_implementation_clear();
 	lcd_printPGM(MSG_Y_DISTANCE_FROM_MIN);