Add menu_item_edit_P<uint8_t*> specialization to be used for linearity correction. Works well, but costs about 600..700B of FLASH, needs to be optimized.

Firmware/menu.cpp

@@ -9,6 +9,7 @@
 #include "Configuration.h"
 #include "Marlin.h"
 #include "ultralcd.h"
+#include "language.h"
 
 
 
@@ -269,6 +270,8 @@ const char menu_fmt_float31[] PROGMEM = "%c%.12S:%s%+06.1f";
 
 const char menu_fmt_float13[] PROGMEM = "%c%.12S:%s%+06.3f";
 
+const char menu_fmt_float13off[] PROGMEM = "%c%.12S:%s%";
+
 template<typename T>
 static void menu_draw_P(char chr, const char* str, int16_t val);
 
@@ -305,6 +308,27 @@ void menu_draw_float13(char chr, const char* str, float val)
 	lcd_printf_P(menu_fmt_float13, chr, str, spaces, val);
 }
 
+template<>
+void menu_draw_P<uint8_t*>(char chr, const char* str, int16_t val)
+{
+    menu_data_edit_t* _md = (menu_data_edit_t*)&(menu_data[0]);
+    int text_len = strlen_P(str);
+    if (text_len > 15) text_len = 15;
+    char spaces[21];
+    strcpy_P(spaces, menu_20x_space);
+    spaces[12 - text_len] = 0;
+    float factor = 1.0 + static_cast<float>(val) / 1000.0;
+    if (val == _md->minEditValue)
+    {
+        lcd_printf_P(menu_fmt_float13off, chr, str, spaces);
+        lcd_puts_P(_i(" [off]"));
+    }
+    else
+    {
+        lcd_printf_P(menu_fmt_float13, chr, str, spaces, factor);
+    }
+}
+
 template <typename T>
 static void _menu_edit_P(void)
 {
@@ -350,6 +374,7 @@ uint8_t menu_item_edit_P(const char* str, T pval, int16_t min_val, int16_t max_v
 }
 
 template uint8_t menu_item_edit_P<int16_t*>(const char* str, int16_t *pval, int16_t min_val, int16_t max_val);
+template uint8_t menu_item_edit_P<uint8_t*>(const char* str, uint8_t *pval, int16_t min_val, int16_t max_val);
 
 #undef _menu_data
 

Firmware/menu.h

@@ -97,7 +97,7 @@ extern void menu_draw_float31(char chr, const char* str, float val);
 extern void menu_draw_float13(char chr, const char* str, float val);
 
 
-#define MENU_ITEM_EDIT_int3_P(str, pval, minval, maxval) do { if (menu_item_edit_P<int16_t*>(str, pval, minval, maxval)) return; } while (0)
+#define MENU_ITEM_EDIT_int3_P(str, pval, minval, maxval) do { if (menu_item_edit_P(str, pval, minval, maxval)) return; } while (0)
 //#define MENU_ITEM_EDIT_int3_P(str, pval, minval, maxval) MENU_ITEM_EDIT(int3, str, pval, minval, maxval)
 template <typename T>
 extern uint8_t menu_item_edit_P(const char* str, T pval, int16_t min_val, int16_t max_val);

Firmware/ultralcd.cpp

@@ -4496,13 +4496,12 @@ void lcd_settings_linearity_correction_menu(void)
 //	MENU_ITEM_BACK_P(_T(MSG_SETTINGS));
 #ifdef TMC2130_LINEARITY_CORRECTION_XYZ
 	//tmc2130_wave_fac[X_AXIS]
-	int corr[4] = {tmc2130_wave_fac[X_AXIS], tmc2130_wave_fac[Y_AXIS], tmc2130_wave_fac[Z_AXIS], tmc2130_wave_fac[E_AXIS]};
 
-	MENU_ITEM_EDIT_int3_P(_i("X-correct"),  &corr[X_AXIS],  TMC2130_WAVE_FAC1000_MIN-TMC2130_WAVE_FAC1000_STP, TMC2130_WAVE_FAC1000_MAX);////MSG_EXTRUDER_CORRECTION c=9 r=0
-	MENU_ITEM_EDIT_int3_P(_i("Y-correct"),  &corr[Y_AXIS],  TMC2130_WAVE_FAC1000_MIN-TMC2130_WAVE_FAC1000_STP, TMC2130_WAVE_FAC1000_MAX);////MSG_EXTRUDER_CORRECTION c=9 r=0
-	MENU_ITEM_EDIT_int3_P(_i("Z-correct"),  &corr[Z_AXIS],  TMC2130_WAVE_FAC1000_MIN-TMC2130_WAVE_FAC1000_STP, TMC2130_WAVE_FAC1000_MAX);////MSG_EXTRUDER_CORRECTION c=9 r=0
+	MENU_ITEM_EDIT_int3_P(_i("X-correct"),  &tmc2130_wave_fac[X_AXIS],  TMC2130_WAVE_FAC1000_MIN-TMC2130_WAVE_FAC1000_STP, TMC2130_WAVE_FAC1000_MAX);////MSG_EXTRUDER_CORRECTION c=9 r=0
+	MENU_ITEM_EDIT_int3_P(_i("Y-correct"),  &tmc2130_wave_fac[Y_AXIS],  TMC2130_WAVE_FAC1000_MIN-TMC2130_WAVE_FAC1000_STP, TMC2130_WAVE_FAC1000_MAX);////MSG_EXTRUDER_CORRECTION c=9 r=0
+	MENU_ITEM_EDIT_int3_P(_i("Z-correct"),  &tmc2130_wave_fac[Z_AXIS],  TMC2130_WAVE_FAC1000_MIN-TMC2130_WAVE_FAC1000_STP, TMC2130_WAVE_FAC1000_MAX);////MSG_EXTRUDER_CORRECTION c=9 r=0
 #endif //TMC2130_LINEARITY_CORRECTION_XYZ
-	MENU_ITEM_EDIT_int3_P(_i("E-correct"),  &corr[E_AXIS],  TMC2130_WAVE_FAC1000_MIN-TMC2130_WAVE_FAC1000_STP, TMC2130_WAVE_FAC1000_MAX);////MSG_EXTRUDER_CORRECTION c=9 r=0
+	MENU_ITEM_EDIT_int3_P(_i("E-correct"),  &tmc2130_wave_fac[E_AXIS],  TMC2130_WAVE_FAC1000_MIN-TMC2130_WAVE_FAC1000_STP, TMC2130_WAVE_FAC1000_MAX);////MSG_EXTRUDER_CORRECTION c=9 r=0
 	MENU_END();
 }