Mark filament as depleted when detected by MMUv2 FINDA. Do not try to load filament if it is marked depleted, load next filament instead. Force user action when all filaments are marked as depleted.

Firmware/mmu.cpp

@@ -13,6 +13,7 @@
 #include "sound.h"
 #include "printers.h"
 #include <avr/pgmspace.h>
+#include "AutoDeplete.h"
 
 #ifdef TMC2130
 #include "tmc2130.h"
@@ -276,8 +277,15 @@ void mmu_loop(void)
 			if (!mmu_finda && CHECK_FINDA && fsensor_enabled) {
 				fsensor_stop_and_save_print();
 				enquecommand_front_P(PSTR("FSENSOR_RECOVER")); //then recover
-				if (lcd_autoDepleteEnabled()) enquecommand_front_P(PSTR("M600 AUTO")); //save print and run M600 command
-				else enquecommand_front_P(PSTR("M600")); //save print and run M600 command
+				ad_markDepleted(mmu_extruder);
+				if (lcd_autoDepleteEnabled() && !ad_allDepleted())
+				{
+				    enquecommand_front_P(PSTR("M600 AUTO")); //save print and run M600 command
+				}
+				else
+				{
+				    enquecommand_front_P(PSTR("M600")); //save print and run M600 command
+				}
 			}
 			mmu_state = 1;
 			if (mmu_cmd == 0)
@@ -337,14 +345,19 @@ int8_t mmu_set_filament_type(uint8_t extruder, uint8_t filament)
 
 void mmu_command(uint8_t cmd)
 {
-#ifdef TMC2130
 	if ((cmd >= MMU_CMD_T0) && (cmd <= MMU_CMD_T4))
 	{
 		//disable extruder motor
+#ifdef TMC2130
 		tmc2130_set_pwr(E_AXIS, 0);
+#endif //TMC2130
 		//printf_P(PSTR("E-axis disabled\n"));
+		ad_markLoaded(cmd - MMU_CMD_T0);
 	}
-#endif //TMC2130
+    if ((cmd >= MMU_CMD_L0) && (cmd <= MMU_CMD_L4))
+    {
+        ad_markLoaded(cmd - MMU_CMD_L0);
+    }
 
 	mmu_cmd = cmd;
 	mmu_ready = false;
@@ -586,7 +599,7 @@ void mmu_M600_load_filament(bool automatic)
 #endif //MMU_M600_SWITCH_EXTRUDER
 		  }
 		  else {
-			  tmp_extruder = (tmp_extruder+1)%5;
+			  tmp_extruder = ad_getAlternative(tmp_extruder);
 		  }
 		  lcd_update_enable(false);
 		  lcd_clear();