fan check can be turned off from support menu, saving parameters to eeprom with offset and different levels, fan kickstart,2nd heatbed version, fans check modified

Firmware/Configuration.h

@@ -56,6 +56,7 @@
 #define EEPROM_UVLO_TARGET_BED			(EEPROM_UVLO_TARGET_HOTEND - 1)
 #define EEPROM_UVLO_FEEDRATE			(EEPROM_UVLO_TARGET_BED - 2)
 #define EEPROM_UVLO_FAN_SPEED			(EEPROM_UVLO_FEEDRATE - 1) 
+#define EEPROM_FAN_CHECK_ENABLED		(EEPROM_UVLO_FAN_SPEED - 1)
 
 
 // Currently running firmware, each digit stored as uint16_t.
@@ -68,6 +69,8 @@
 // Magic string, indicating that the current or the previous firmware running was the Prusa3D firmware.
 #define EEPROM_FIRMWARE_PRUSA_MAGIC 0
 
+#define EEPROM_OFFSET 20 //offset for storing settings using M500
+//#define EEPROM_OFFSET 
 
 // This configuration file contains the basic settings.
 // Advanced settings can be found in Configuration_adv.h

Firmware/ConfigurationStore.cpp

@@ -11,12 +11,22 @@
 
 void _EEPROM_writeData(int &pos, uint8_t* value, uint8_t size)
 {
-    do
-    {
-        eeprom_write_byte((unsigned char*)pos, *value);
-        pos++;
-        value++;
-    }while(--size);
+	while (size--) {
+		uint8_t * const p = (uint8_t * const)pos;
+		uint8_t v = *value;
+		// EEPROM has only ~100,000 write cycles,
+		// so only write bytes that have changed!
+		if (v != eeprom_read_byte(p)) {
+			eeprom_write_byte(p, v);
+			if (eeprom_read_byte(p) != v) {
+				//add error message			
+				return;
+			}
+		}
+		pos++;
+		value++;
+	};
+
 }
 #define EEPROM_WRITE_VAR(pos, value) _EEPROM_writeData(pos, (uint8_t*)&value, sizeof(value))
 void _EEPROM_readData(int &pos, uint8_t* value, uint8_t size)
@@ -30,13 +40,7 @@ void _EEPROM_readData(int &pos, uint8_t* value, uint8_t size)
 }
 #define EEPROM_READ_VAR(pos, value) _EEPROM_readData(pos, (uint8_t*)&value, sizeof(value))
 //======================================================================================
-
-
-
-
 #define EEPROM_OFFSET 20
-
-
 // IMPORTANT:  Whenever there are changes made to the variables stored in EEPROM
 // in the functions below, also increment the version number. This makes sure that
 // the default values are used whenever there is a change to the data, to prevent
@@ -46,10 +50,10 @@ void _EEPROM_readData(int &pos, uint8_t* value, uint8_t size)
 #define EEPROM_VERSION "V1"
 
 #ifdef EEPROM_SETTINGS
-void Config_StoreSettings() 
+void Config_StoreSettings(uint16_t offset, uint8_t level) 
 {
   char ver[4]= "000";
-  int i=EEPROM_OFFSET;
+  int i = offset;
   EEPROM_WRITE_VAR(i,ver); // invalidate data first 
   EEPROM_WRITE_VAR(i,axis_steps_per_unit);
   EEPROM_WRITE_VAR(i,max_feedrate);  
@@ -124,12 +128,17 @@ void Config_StoreSettings()
   EEPROM_WRITE_VAR(i, filament_size[2]);
   #endif
   #endif
+
+  if (level >= 10) {
+	  EEPROM_WRITE_VAR(i, extruder_advance_k);
+	  EEPROM_WRITE_VAR(i, advance_ed_ratio);
+  }
   /*MYSERIAL.print("Top address used:\n");
-  MYSERIAL.print(i);
+  MYSERIAL.print(i); 
   MYSERIAL.print("\n");
   */
   char ver2[4]=EEPROM_VERSION;
-  i=EEPROM_OFFSET;
+  i=offset;
   EEPROM_WRITE_VAR(i,ver2); // validate data
   SERIAL_ECHO_START;
   SERIAL_ECHOLNPGM("Settings Stored");
@@ -138,9 +147,10 @@ void Config_StoreSettings()
 
 
 #ifndef DISABLE_M503
-void Config_PrintSettings()
+void Config_PrintSettings(uint8_t level)
 {  // Always have this function, even with EEPROM_SETTINGS disabled, the current values will be shown
-    SERIAL_ECHO_START;
+	
+	SERIAL_ECHO_START;
     SERIAL_ECHOLNPGM("Steps per unit:");
     SERIAL_ECHO_START;
     SERIAL_ECHOPAIR("  M92 X",axis_steps_per_unit[X_AXIS]);
@@ -259,14 +269,22 @@ void Config_PrintSettings()
         SERIAL_ECHOLNPGM("Filament settings: Disabled");
     }
 #endif
+	if (level >= 10) {
+#ifdef LIN_ADVANCE
+		SERIAL_ECHO_START;
+		SERIAL_ECHOLNPGM("Linear advance settings:");
+		SERIAL_ECHOPAIR("   M900 K", extruder_advance_k);
+		SERIAL_ECHOPAIR("   E/D = ", advance_ed_ratio);
+#endif //LIN_ADVANCE
+	}
 }
 #endif
 
 
 #ifdef EEPROM_SETTINGS
-void Config_RetrieveSettings()
+void Config_RetrieveSettings(uint16_t offset, uint8_t level)
 {
-    int i=EEPROM_OFFSET;
+    int i=offset;
     char stored_ver[4];
     char ver[4]=EEPROM_VERSION;
     EEPROM_READ_VAR(i,stored_ver); //read stored version
@@ -347,6 +365,10 @@ void Config_RetrieveSettings()
 		EEPROM_READ_VAR(i, filament_size[2]);
 #endif
 #endif
+		if (level >= 10) {
+			EEPROM_READ_VAR(i, extruder_advance_k);
+			EEPROM_READ_VAR(i, advance_ed_ratio);
+		}
 		calculate_volumetric_multipliers();
 		// Call updatePID (similar to when we have processed M301)
 		updatePID();

Firmware/ConfigurationStore.h

@@ -7,14 +7,14 @@
 void Config_ResetDefault();
 
 #ifndef DISABLE_M503
-void Config_PrintSettings();
+void Config_PrintSettings(uint8_t level = 0);
 #else
 FORCE_INLINE void Config_PrintSettings() {}
 #endif
 
 #ifdef EEPROM_SETTINGS
-void Config_StoreSettings();
-void Config_RetrieveSettings();
+void Config_StoreSettings(uint16_t offset, uint8_t level = 0);
+void Config_RetrieveSettings(uint16_t offset, uint8_t level = 0);
 #else
 FORCE_INLINE void Config_StoreSettings() {}
 FORCE_INLINE void Config_RetrieveSettings() { Config_ResetDefault(); Config_PrintSettings(); }

Firmware/Configuration_adv.h

@@ -68,7 +68,7 @@
 // When first starting the main fan, run it at full speed for the
 // given number of milliseconds.  This gets the fan spinning reliably
 // before setting a PWM value. (Does not work with software PWM for fan on Sanguinololu)
-//#define FAN_KICKSTART_TIME 100
+#define FAN_KICKSTART_TIME 800
 
 
 

Firmware/Configuration_prusa.h

@@ -472,7 +472,7 @@ const bool Z_MIN_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 
 #define DEFAULT_PID_TEMP 210
 
-#define MIN_PRINT_FAN_SPEED 50
+#define MIN_PRINT_FAN_SPEED 75
 
 #ifdef SNMM
 #define DEFAULT_RETRACTION 4 //used for PINDA temp calibration and pause print
@@ -482,4 +482,6 @@ const bool Z_MIN_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 
 #define UVLO_Z_AXIS_SHIFT 2
 
+#define HEATBED_V2
+
 #endif //__CONFIGURATION_PRUSA_H

Firmware/Marlin_main.cpp

@@ -818,7 +818,7 @@ 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)
-	Config_RetrieveSettings();
+	Config_RetrieveSettings(EEPROM_OFFSET);
 	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
 	plan_init();  // Initialize planner;
@@ -1007,7 +1007,8 @@ void setup()
 #endif //DEBUG_DISABLE_STARTMSGS
   for (int i = 0; i<4; i++) EEPROM_read_B(EEPROM_BOWDEN_LENGTH + i * 2, &bowden_length[i]);
   lcd_update_enable(true);
-
+  lcd_implementation_clear();
+  lcd_update(2);
   // Store the currently running firmware into an eeprom,
   // so the next time the firmware gets updated, it will know from which version it has been updated.
   update_current_firmware_version_to_eeprom();
@@ -2749,6 +2750,19 @@ void process_commands()
 	
 #endif
 
+	case 79: {
+		for (int i = 255; i > 0; i = i - 5) {
+			fanSpeed = i;
+			//delay_keep_alive(2000);
+			for (int j = 0; j < 100; j++) {
+				delay_keep_alive(100);
+
+			}
+			fan_speed[1];
+			MYSERIAL.print(i); SERIAL_ECHOPGM(": "); MYSERIAL.println(fan_speed[1]);
+		}
+	}break;
+
 	/**
 	* G80: Mesh-based Z probe, probes a grid and produces a
 	*      mesh to compensate for variable bed height
@@ -4837,12 +4851,12 @@ case 404:  //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
 
     case 500: // M500 Store settings in EEPROM
     {
-        Config_StoreSettings();
+        Config_StoreSettings(EEPROM_OFFSET);
     }
     break;
     case 501: // M501 Read settings from EEPROM
     {
-        Config_RetrieveSettings();
+        Config_RetrieveSettings(EEPROM_OFFSET);
     }
     break;
     case 502: // M502 Revert to default settings

Firmware/mesh_bed_calibration.cpp

@@ -50,6 +50,42 @@ const float bed_skew_angle_extreme = (0.25f * M_PI / 180.f);
 
 // Positions of the bed reference points in the machine coordinates, referenced to the P.I.N.D.A sensor.
 // The points are ordered in a zig-zag fashion to speed up the calibration.
+
+#ifdef HEATBED_V2
+
+// Positions of the bed reference points in the machine coordinates, referenced to the P.I.N.D.A sensor.
+// The points are the following: center front, center right, center rear, center left.
+const float bed_ref_points_4[] PROGMEM = {
+	115.f - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
+	216.f - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y,
+	115.f - BED_ZERO_REF_X, 200.4f - BED_ZERO_REF_Y,
+	13.f - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y
+};
+
+const float bed_ref_points[] PROGMEM = {
+	13.f - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
+	115.f - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
+	216.f - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
+
+	216.f - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y,
+	115.f - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y,
+	13.f - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y,
+
+	13.f - BED_ZERO_REF_X, 200.4f - BED_ZERO_REF_Y,
+	115.f - BED_ZERO_REF_X, 200.4f - BED_ZERO_REF_Y,
+	216.f - BED_ZERO_REF_X, 200.4f - BED_ZERO_REF_Y
+};
+#else
+
+// Positions of the bed reference points in the machine coordinates, referenced to the P.I.N.D.A sensor.
+// The points are the following: center front, center right, center rear, center left.
+const float bed_ref_points_4[] PROGMEM = {
+	115.f - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
+	216.f - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y,
+	115.f - BED_ZERO_REF_X, 202.4f - BED_ZERO_REF_Y,
+	13.f - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y
+};
+
 const float bed_ref_points[] PROGMEM = {
     13.f  - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
     115.f - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
@@ -64,14 +100,7 @@ const float bed_ref_points[] PROGMEM = {
     216.f - BED_ZERO_REF_X, 202.4f - BED_ZERO_REF_Y
 };
 
-// Positions of the bed reference points in the machine coordinates, referenced to the P.I.N.D.A sensor.
-// The points are the following: center front, center right, center rear, center left.
-const float bed_ref_points_4[] PROGMEM = {
-    115.f - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
-    216.f - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y,
-    115.f - BED_ZERO_REF_X, 202.4f - BED_ZERO_REF_Y,
-    13.f  - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y
-};
+#endif //not HEATBED_V2
 
 static inline float sqr(float x) { return x * x; }
 

Firmware/stepper.cpp

@@ -1379,15 +1379,6 @@ void microstep_readings()
       #endif
 }
 
-static void check_fans() {
-	if (READ(TACH_0) != fan_state[0]) {
-		fan_edge_counter[0] ++;
-		fan_state[0] = READ(TACH_0);
-	}
-	if (READ(TACH_1) != fan_state[1]) {
-		fan_edge_counter[1] ++;
-		fan_state[1] = READ(TACH_1);
-	}
-}
+
 
 

Firmware/stepper.h

@@ -104,9 +104,6 @@ void digipot_current(uint8_t driver, int current);
 void microstep_init();
 void microstep_readings();
 
-static void check_fans();
-
-
 #ifdef BABYSTEPPING
   void babystep(const uint8_t axis,const bool direction); // perform a short step with a single stepper motor, outside of any convention
 #endif

Firmware/temperature.cpp

@@ -429,26 +429,31 @@ void setExtruderAutoFanState(int pin, bool state)
 }
 
 void countFanSpeed()
-{	
+{
+	//SERIAL_ECHOPGM("edge counter 1:"); MYSERIAL.println(fan_edge_counter[1]);
 	fan_speed[0] = (fan_edge_counter[0] * (float(250) / (millis() - extruder_autofan_last_check)));
 	fan_speed[1] = (fan_edge_counter[1] * (float(250) / (millis() - extruder_autofan_last_check)));
-
+	/*SERIAL_ECHOPGM("time interval: "); MYSERIAL.println(millis() - extruder_autofan_last_check);
+	SERIAL_ECHOPGM("extruder fan speed:"); MYSERIAL.print(fan_speed[0]); SERIAL_ECHOPGM("; edge counter:"); MYSERIAL.println(fan_edge_counter[0]);
+	SERIAL_ECHOPGM("print fan speed:"); MYSERIAL.print(fan_speed[1]); SERIAL_ECHOPGM("; edge counter:"); MYSERIAL.println(fan_edge_counter[1]);
+	SERIAL_ECHOLNPGM(" ");*/
 	fan_edge_counter[0] = 0;
 	fan_edge_counter[1] = 0;
 }
 
 void checkFanSpeed()
 {
+	bool fans_check_enabled = (eeprom_read_byte((uint8_t*)EEPROM_FAN_CHECK_ENABLED) > 0);
 	static unsigned char fan_speed_errors[2] = { 0,0 };
 
-	if (fan_speed[0] == 0 && current_temperature[0] > EXTRUDER_AUTO_FAN_TEMPERATURE) fan_speed_errors[0]++;
+	if (fan_speed[0] == 0 && (current_temperature[0] > EXTRUDER_AUTO_FAN_TEMPERATURE)) fan_speed_errors[0]++;
 	else fan_speed_errors[0] = 0;
 
-	if (fan_speed[1] == 0 && fanSpeed > MIN_PRINT_FAN_SPEED) fan_speed_errors[1]++;
+	if ((fan_speed[1] == 0)&& (fanSpeed > MIN_PRINT_FAN_SPEED)) fan_speed_errors[1]++;
 	else fan_speed_errors[1] = 0;
 
-	if (fan_speed_errors[0] > 5) fanSpeedError(0);
-	if (fan_speed_errors[1] > 15) fanSpeedError(1);
+	if ((fan_speed_errors[0] > 5) && fans_check_enabled) fanSpeedError(0); //extruder fan
+	if ((fan_speed_errors[1] > 15) && fans_check_enabled) fanSpeedError(1); //print fan
 }
 
 void fanSpeedError(unsigned char _fan) {
@@ -485,8 +490,8 @@ void checkExtruderAutoFans()
 
   // which fan pins need to be turned on?      
   #if defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1
-    if (current_temperature[0] > EXTRUDER_AUTO_FAN_TEMPERATURE) 
-      fanState |= 1;
+  if (current_temperature[0] > EXTRUDER_AUTO_FAN_TEMPERATURE)
+	  fanState |= 1;
   #endif
   #if defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1
     if (current_temperature[1] > EXTRUDER_AUTO_FAN_TEMPERATURE) 
@@ -2148,6 +2153,19 @@ ISR(TIMER0_COMPB_vect)
     }
   }
 #endif //BABYSTEPPING
+
+  check_fans();
+}
+
+void check_fans() {
+	if (READ(TACH_0) != fan_state[0]) {
+		fan_edge_counter[0] ++;
+		fan_state[0] = !fan_state[0];
+	}
+	if (READ(TACH_1) != fan_state[1]) {
+		fan_edge_counter[1] ++;
+		fan_state[1] = !fan_state[1];
+	}
 }
 
 #ifdef PIDTEMP

Firmware/temperature.h

@@ -222,5 +222,7 @@ void countFanSpeed();
 void checkFanSpeed();
 void fanSpeedError(unsigned char _fan);
 
+void check_fans();
+
 #endif
 

Firmware/ultralcd.cpp

@@ -29,6 +29,7 @@
 int8_t encoderDiff; /* encoderDiff is updated from interrupt context and added to encoderPosition every LCD update */
 
 extern int lcd_change_fil_state;
+extern bool fans_check_enabled = true;
 
 //Function pointer to menu functions.
 typedef void (*menuFunc_t)();
@@ -1045,10 +1046,22 @@ static void lcd_support_menu()
     }
   MENU_ITEM(submenu, MSG_INFO_EXTRUDER, lcd_menu_extruder_info);
   MENU_ITEM(submenu, PSTR("Temperatures"), lcd_menu_temperatures);
+  if (fans_check_enabled == true) {
+	  MENU_ITEM(function, PSTR("Check fans [EN]"), lcd_set_fan_check);
+  }
+  else {
+	  MENU_ITEM(function, PSTR("Check fans [DIS]"), lcd_set_fan_check);
+  }
   #endif //MK1BP
   END_MENU();
 }
 
+void lcd_set_fan_check() {
+	fans_check_enabled = !fans_check_enabled;
+	eeprom_update_byte((unsigned char *)EEPROM_FAN_CHECK_ENABLED, fans_check_enabled);
+	lcd_goto_menu(lcd_support_menu, 15);
+}
+
 void lcd_unLoadFilament()
 {
 

Firmware/ultralcd.h

@@ -223,6 +223,7 @@ static void extr_unload_1();
 static void extr_unload_2();
 static void extr_unload_3();
 static void lcd_disable_farm_mode();
+static void lcd_set_fan_check();
 void extr_unload_all(); 
 void extr_unload_used();
 void extr_unload();