Merge pull request #1086 from PavelSindler/M600_change_extruder

Multimaterial v2: Eject filament feature, M600 modified

Firmware/Marlin_main.cpp

@@ -3120,7 +3120,20 @@ void gcode_M600(bool automatic, float x_position, float y_position, float z_shif
 		}
 
 		if (mmu_enabled)
+		{
+			if (saved_printing) mmu_eject_filament(mmu_extruder, false); //if M600 was invoked by filament senzor (FINDA) eject filament so user can easily remove it
+			if (!automatic) mmu_M600_wait_and_beep();
+			if (saved_printing) {
+
+				lcd_clear();
+				lcd_set_cursor(0, 2);
+				lcd_puts_P(_T(MSG_PLEASE_WAIT));
+
+				mmu_command(MMU_CMD_R0);
+				manage_response(false, false);
+			}
 			mmu_M600_load_filament(automatic);
+		}
 		else
 			M600_load_filament();
 

Firmware/mmu.cpp

@@ -22,7 +22,7 @@
 #define MMU_HWRESET
 #define MMU_RST_PIN 76
 
-#define MMU_REQUIRED_FW_BUILDNR 81
+#define MMU_REQUIRED_FW_BUILDNR 83
 
 bool mmu_enabled = false;
 
@@ -103,6 +103,7 @@ void mmu_init(void)
 //mmu main loop - state machine processing
 void mmu_loop(void)
 {
+	int filament = 0;
 //	printf_P(PSTR("MMU loop, state=%d\n"), mmu_state);
 	switch (mmu_state)
 	{
@@ -160,14 +161,14 @@ void mmu_loop(void)
 		{
 			if ((mmu_cmd >= MMU_CMD_T0) && (mmu_cmd <= MMU_CMD_T4))
 			{
-				int extruder = mmu_cmd - MMU_CMD_T0;
+				filament = mmu_cmd - MMU_CMD_T0;
-				printf_P(PSTR("MMU <= 'T%d'\n"), extruder);
+				printf_P(PSTR("MMU <= 'T%d'\n"), filament);
-				mmu_printf_P(PSTR("T%d\n"), extruder);
+				mmu_printf_P(PSTR("T%d\n"), filament);
 				mmu_state = 3; // wait for response
 			}
 			else if ((mmu_cmd >= MMU_CMD_L0) && (mmu_cmd <= MMU_CMD_L4))
 			{
-			    int filament = mmu_cmd - MMU_CMD_L0;
+			    filament = mmu_cmd - MMU_CMD_L0;
 			    printf_P(PSTR("MMU <= 'L%d'\n"), filament);
 			    mmu_printf_P(PSTR("L%d\n"), filament);
 			    mmu_state = 3; // wait for response
@@ -184,6 +185,19 @@ void mmu_loop(void)
 				mmu_puts_P(PSTR("U0\n")); //send 'unload current filament'
 				mmu_state = 3;
 			}
+			else if ((mmu_cmd >= MMU_CMD_E0) && (mmu_cmd <= MMU_CMD_E4))
+			{
+				int filament = mmu_cmd - MMU_CMD_E0;
+				printf_P(PSTR("MMU <= 'E%d'\n"), filament);
+				mmu_printf_P(PSTR("E%d\n"), filament); //send eject filament
+				mmu_state = 3; // wait for response
+			}
+			else if (mmu_cmd == MMU_CMD_R0)
+			{
+				printf_P(PSTR("MMU <= 'R0'\n"));
+				mmu_puts_P(PSTR("R0\n")); //send recover after eject
+				mmu_state = 3; // wait for response
+			}
 			mmu_cmd = 0;
 		}
 		else if ((mmu_last_response + 300) < millis()) //request every 300ms
@@ -214,7 +228,7 @@ void mmu_loop(void)
 			mmu_state = 1;
 		}
 		return;
-	case 3: //response to commands T0-T4
+	case 3: //response to mmu commands
 		if (mmu_rx_ok() > 0)
 		{
 			printf_P(PSTR("MMU => 'ok'\n"));
@@ -456,7 +470,6 @@ void mmu_M600_load_filament(bool automatic)
 		  bool yes = false;
 		  tmp_extruder = mmu_extruder;
 		  if (!automatic) {
-			  mmu_M600_wait_and_beep();
 #ifdef MMU_M600_SWITCH_EXTRUDER
 			  yes = lcd_show_fullscreen_message_yes_no_and_wait_P(_i("Do you want to switch extruder?"), false);
 			  if(yes) tmp_extruder = choose_extruder_menu();
@@ -776,6 +789,36 @@ void extr_adj_4()
 #endif
 }
 
+void mmu_eject_fil_0()
+{
+	mmu_eject_filament(0, true);
+}
+
+void mmu_eject_fil_1()
+{
+	mmu_eject_filament(1, true);
+}
+
+void mmu_eject_fil_2()
+{
+	mmu_eject_filament(2, true);
+}
+
+void mmu_eject_fil_3()
+{
+	mmu_eject_filament(3, true);
+}
+
+void mmu_eject_fil_4()
+{
+	mmu_eject_filament(4, true);
+}
+
+void mmu_eject_fil_5()
+{
+	mmu_eject_filament(5, true);
+}
+
 void load_all()
 {
 #ifndef SNMM
@@ -906,3 +949,22 @@ void mmu_show_warning()
 	printf_P(PSTR("MMU2 firmware version invalid. Required version: build number %d or higher."), MMU_REQUIRED_FW_BUILDNR);
 	kill(_i("Please update firmware in your MMU2. Waiting for reset."));
 }
+
+void mmu_eject_filament(uint8_t filament, bool recover)
+{
+	if (filament < 5) 
+	{
+		mmu_command(MMU_CMD_E0 + filament);
+		manage_response(false, false);
+		if (recover)
+		{
+			lcd_show_fullscreen_message_and_wait_P(_i("Please remove filament and then press the knob."));
+			mmu_command(MMU_CMD_R0);
+			manage_response(false, false);
+		}
+	}
+	else
+	{
+		puts_P(PSTR("Filament nr out of range!"));
+	}
+}

Firmware/mmu.h

@@ -30,6 +30,13 @@ extern int16_t mmu_buildnr;
 #define MMU_CMD_L4   0x24
 #define MMU_CMD_C0   0x30
 #define MMU_CMD_U0   0x40
+#define MMU_CMD_E0   0x50
+#define MMU_CMD_E1   0x51
+#define MMU_CMD_E2   0x52
+#define MMU_CMD_E3   0x53
+#define MMU_CMD_E4   0x54
+#define MMU_CMD_R0   0x60
+
 
 extern int mmu_puts_P(const char* str);
 
@@ -84,4 +91,9 @@ extern void extr_unload_4();
 
 extern bool mmu_check_version();
 extern void mmu_show_warning();
-
+extern void mmu_eject_filament(uint8_t filament, bool recover);
+extern void mmu_eject_fil_0();
+extern void mmu_eject_fil_1();
+extern void mmu_eject_fil_2();
+extern void mmu_eject_fil_3();
+extern void mmu_eject_fil_4();

Firmware/ultralcd.cpp

@@ -5203,6 +5203,19 @@ static void fil_load_menu()
 	MENU_END();
 }
 
+static void mmu_fil_eject_menu()
+{
+	MENU_BEGIN();
+	MENU_ITEM_BACK_P(_T(MSG_MAIN));
+	MENU_ITEM_FUNCTION_P(_i("Eject filament 1"), mmu_eject_fil_0);
+	MENU_ITEM_FUNCTION_P(_i("Eject filament 2"), mmu_eject_fil_1);
+	MENU_ITEM_FUNCTION_P(_i("Eject filament 3"), mmu_eject_fil_2);
+	MENU_ITEM_FUNCTION_P(_i("Eject filament 4"), mmu_eject_fil_3);
+	MENU_ITEM_FUNCTION_P(_i("Eject filament 5"), mmu_eject_fil_4);
+
+	MENU_END();
+}
+
 static void fil_unload_menu()
 {
 	MENU_BEGIN();
@@ -5651,6 +5664,7 @@ static void lcd_main_menu()
 	if (mmu_enabled)
 	{
 		MENU_ITEM_SUBMENU_P(_T(MSG_LOAD_FILAMENT), fil_load_menu);
+		MENU_ITEM_SUBMENU_P(_i("Eject filament"), mmu_fil_eject_menu);
 		if (mmu_enabled)
 			MENU_ITEM_GCODE_P(_T(MSG_UNLOAD_FILAMENT), PSTR("M702 C"));
 		else