printer types and motherboard types added to eeprom; min extrude temp lowered because of woodfil

Firmware/Configuration.h

@@ -132,6 +132,9 @@
 // Power loss errors (total)
 #define EEPROM_POWER_COUNT_TOT       (EEPROM_FERROR_COUNT_TOT - 2)             // uint16
 
+#define EEPROM_PRINTER_TYPE          (EEPROM_POWER_COUNT_TOT - 2)              // uint16
+#define EEPROM_BOARD_TYPE            (EEPROM_PRINTER_TYPE - 2)                 // uint16
+
 
 //TMC2130 configuration
 #define EEPROM_TMC_AXIS_SIZE  //axis configuration block size

Firmware/Configuration_prusa.h

@@ -6,6 +6,7 @@
  *------------------------------------*/
 
 // Printer revision
+#define PRINTER_TYPE PRINTER_MK25
 #define FILAMENT_SIZE "1_75mm_MK25"
 #define NOZZLE_TYPE "E3Dv6full"
 
@@ -154,7 +155,7 @@ const bool Z_MIN_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 #endif
 
 // Extrude mintemp
-#define EXTRUDE_MINTEMP 190
+#define EXTRUDE_MINTEMP 180
 
 // Extruder cooling fans
 #define EXTRUDER_0_AUTO_FAN_PIN   8

Firmware/Marlin.h

@@ -380,6 +380,7 @@ void temp_compensation_apply();
 void temp_compensation_start();
 void show_fw_version_warnings();
 void erase_eeprom_section(uint16_t offset, uint16_t bytes);
+uint8_t check_printer_version();
 
 #ifdef PINDA_THERMISTOR
 float temp_compensation_pinda_thermistor_offset(float temperature_pinda);

Firmware/Marlin_main.cpp

@@ -41,6 +41,7 @@
   #include "mesh_bed_calibration.h"
 #endif
 
+#include "printers.h"
 #include "ultralcd.h"
 #include "Configuration_prusa.h"
 #include "planner.h"
@@ -935,7 +936,22 @@ void show_fw_version_warnings() {
 	lcd_update_enable(true);
 }
 
+uint8_t check_printer_version()
+{
+	uint8_t version_changed = 0;
+	uint16_t printer_type = eeprom_read_word((uint16_t*)EEPROM_PRINTER_TYPE);
+	uint16_t motherboard = eeprom_read_word((uint16_t*)EEPROM_BOARD_TYPE);
 
+	if (printer_type != PRINTER_TYPE) {
+		if (printer_type == 0xffff) eeprom_write_word((uint16_t*)EEPROM_PRINTER_TYPE, PRINTER_TYPE);
+		else version_changed |= 0b10;
+	}
+	if (motherboard != MOTHERBOARD) {
+		if(motherboard == 0xffff) eeprom_write_word((uint16_t*)EEPROM_BOARD_TYPE, MOTHERBOARD);
+		else version_changed |= 0b01;
+	}
+	return version_changed;
+}
 
 void erase_eeprom_section(uint16_t offset, uint16_t bytes)
 {
@@ -1022,7 +1038,15 @@ void setup()
 	SERIAL_ECHOLN((int)sizeof(block_t)*BLOCK_BUFFER_SIZE);
 	//lcd_update_enable(false); // why do we need this?? - andre
 	// loads data from EEPROM if available else uses defaults (and resets step acceleration rate)
-	bool previous_settings_retrieved = Config_RetrieveSettings(EEPROM_OFFSET);
+	
+	bool previous_settings_retrieved = false; 
+	uint8_t hw_changed = check_printer_version();
+	if (!(hw_changed & 0b10)) { //if printer version wasn't changed, check for eeprom version and retrieve settings from eeprom in case that version wasn't changed
+		previous_settings_retrieved = Config_RetrieveSettings(EEPROM_OFFSET);
+	} 
+	else { //printer version was changed so use default settings 
+		Config_ResetDefault();
+	}
 	SdFatUtil::set_stack_guard(); //writes magic number at the end of static variables to protect against overwriting static memory by stack
 
 	tp_init();    // Initialize temperature loop
@@ -1193,8 +1217,27 @@ void setup()
 
   show_fw_version_warnings();
 
+  switch (hw_changed) { 
+	  //if motherboard or printer type was changed inform user as it can indicate flashing wrong firmware version
+	  //if user confirms with knob, new hw version (printer and/or motherboard) is written to eeprom and message will be not shown next time
+	case(0b01): 
+		lcd_show_fullscreen_message_and_wait_P(MSG_CHANGED_MOTHERBOARD); 
+		eeprom_write_word((uint16_t*)EEPROM_BOARD_TYPE, MOTHERBOARD); 
+		break;
+	case(0b10): 
+		lcd_show_fullscreen_message_and_wait_P(MSG_CHANGED_PRINTER); 
+		eeprom_write_word((uint16_t*)EEPROM_PRINTER_TYPE, PRINTER_TYPE); 
+		break;
+	case(0b11): 
+		lcd_show_fullscreen_message_and_wait_P(MSG_CHANGED_BOTH); 
+		eeprom_write_word((uint16_t*)EEPROM_PRINTER_TYPE, PRINTER_TYPE);
+		eeprom_write_word((uint16_t*)EEPROM_BOARD_TYPE, MOTHERBOARD); 
+		break;
+	default: break; //no change, show no message
+  }
+
   if (!previous_settings_retrieved) {
-	  lcd_show_fullscreen_message_and_wait_P(MSG_DEFAULT_SETTINGS_LOADED); //if EEPROM version was changed, inform user that default setting were loaded
+	  lcd_show_fullscreen_message_and_wait_P(MSG_DEFAULT_SETTINGS_LOADED); //if EEPROM version or printer type was changed, inform user that default setting were loaded
 	  erase_eeprom_section(EEPROM_OFFSET, 156); 							   //erase M500 part of eeprom
   }
   if (eeprom_read_byte((uint8_t*)EEPROM_WIZARD_ACTIVE) == 1) {

Firmware/language_all.cpp

@@ -320,6 +320,27 @@ const char * const MSG_CARD_MENU_LANG_TABLE[LANG_NUM] PROGMEM = {
 	MSG_CARD_MENU_CZ
 };
 
+const char MSG_CHANGED_BOTH_EN[] PROGMEM = "Warning: both printer type and motherboard type changed.";
+const char MSG_CHANGED_BOTH_CZ[] PROGMEM = "Varovani: doslo ke zmene typu tiskarny a motherboardu.";
+const char * const MSG_CHANGED_BOTH_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_CHANGED_BOTH_EN,
+	MSG_CHANGED_BOTH_CZ
+};
+
+const char MSG_CHANGED_MOTHERBOARD_EN[] PROGMEM = "Warning: motherboard type changed.";
+const char MSG_CHANGED_MOTHERBOARD_CZ[] PROGMEM = "Varovani: doslo ke zmene typu motherboardu.";
+const char * const MSG_CHANGED_MOTHERBOARD_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_CHANGED_MOTHERBOARD_EN,
+	MSG_CHANGED_MOTHERBOARD_CZ
+};
+
+const char MSG_CHANGED_PRINTER_EN[] PROGMEM = "Warning: printer type changed.";
+const char MSG_CHANGED_PRINTER_CZ[] PROGMEM = "Varovani: doslo ke zmene typu tiskarny.";
+const char * const MSG_CHANGED_PRINTER_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_CHANGED_PRINTER_EN,
+	MSG_CHANGED_PRINTER_CZ
+};
+
 const char MSG_CHANGE_EXTR_EN[] PROGMEM = "Change extruder";
 const char MSG_CHANGE_EXTR_CZ[] PROGMEM = "Zmenit extruder";
 const char * const MSG_CHANGE_EXTR_LANG_TABLE[LANG_NUM] PROGMEM = {

Firmware/language_all.h

@@ -120,6 +120,12 @@ extern const char* const MSG_CALIBRATION_PINDA_MENU_LANG_TABLE[LANG_NUM];
 #define MSG_CALIBRATION_PINDA_MENU LANG_TABLE_SELECT(MSG_CALIBRATION_PINDA_MENU_LANG_TABLE)
 extern const char* const MSG_CARD_MENU_LANG_TABLE[LANG_NUM];
 #define MSG_CARD_MENU LANG_TABLE_SELECT(MSG_CARD_MENU_LANG_TABLE)
+extern const char* const MSG_CHANGED_BOTH_LANG_TABLE[LANG_NUM];
+#define MSG_CHANGED_BOTH LANG_TABLE_SELECT(MSG_CHANGED_BOTH_LANG_TABLE)
+extern const char* const MSG_CHANGED_MOTHERBOARD_LANG_TABLE[LANG_NUM];
+#define MSG_CHANGED_MOTHERBOARD LANG_TABLE_SELECT(MSG_CHANGED_MOTHERBOARD_LANG_TABLE)
+extern const char* const MSG_CHANGED_PRINTER_LANG_TABLE[LANG_NUM];
+#define MSG_CHANGED_PRINTER LANG_TABLE_SELECT(MSG_CHANGED_PRINTER_LANG_TABLE)
 extern const char* const MSG_CHANGE_EXTR_LANG_TABLE[LANG_NUM];
 #define MSG_CHANGE_EXTR LANG_TABLE_SELECT(MSG_CHANGE_EXTR_LANG_TABLE)
 extern const char* const MSG_CHANGE_SUCCESS_LANG_TABLE[LANG_NUM];

Firmware/language_cz.h

@@ -406,3 +406,7 @@
 #define MSG_FW_VERSION_ALPHA		 "Pouzivate alpha verzi firmwaru. Jedna se o vyvojovou verzi. Pouzivani teto verze firmware neni doporuceno a muze zpusobit poskozeni tiskarny." 
 #define MSG_FW_VERSION_BETA			 "Pouzivate beta verzi firmwaru. Jedna se o vyvojovou verzi. Pouzivani teto verze firmware neni doporuceno a muze zpusobit poskozeni tiskarny."
 #define MSG_FW_VERSION_RC			 "Tato verze firmware je release candidate. Nektere z funkci nemusi pracovat spolehlive."
+
+#define MSG_CHANGED_MOTHERBOARD		 "Varovani: doslo ke zmene typu motherboardu."
+#define MSG_CHANGED_PRINTER			 "Varovani: doslo ke zmene typu tiskarny."
+#define MSG_CHANGED_BOTH			 "Varovani: doslo ke zmene typu tiskarny a motherboardu."

Firmware/language_en.h

@@ -412,3 +412,6 @@
 #define(length=20, lines=8) MSG_FW_VERSION_ALPHA		 "You are using firmware alpha version. This is development version. Using this version is not recommended and may cause printer damage." 
 #define(length=20, lines=8) MSG_FW_VERSION_BETA			 "You are using firmware beta version. This is development version. Using this version is not recommended and may cause printer damage."
 #define(length=20, lines=8) MSG_FW_VERSION_RC			 "This firmware version is release candidate. Some of the features may not work properly."
+#define(length=20, lines=4) MSG_CHANGED_MOTHERBOARD		 "Warning: motherboard type changed."
+#define(length=20, lines=4) MSG_CHANGED_PRINTER			 "Warning: printer type changed."
+#define(length=20, lines=4) MSG_CHANGED_BOTH			 "Warning: both printer type and motherboard type changed."

Firmware/printers.h

@@ -0,0 +1,14 @@
+#ifndef PRINTERS_H
+#define PRINTERS_H
+
+#define PRINTER_UNKNOWN 0
+
+#define PRINTER_MK1			100
+#define PRINTER_MK2			200
+#define PRINTER_MK2_SNMM	201
+#define PRINTER_MK25		250
+#define PRINTER_MK25_SNMM	251
+#define PRINTER_MK3			300
+#define PRINTER_MK3_SNMM	301
+
+#endif //PRINTERS_H