Merge branch 'MK3' into thumbnails2

Firmware/ConfigurationStore.cpp

@@ -96,7 +96,7 @@ void Config_PrintSettings(uint8_t level)
 		"%SMaximum feedrates - stealth (mm/s):\n%S  M203 X%.2f Y%.2f Z%.2f E%.2f\n"
 		"%SMaximum acceleration - normal (mm/s2):\n%S  M201 X%lu Y%lu Z%lu E%lu\n"
 		"%SMaximum acceleration - stealth (mm/s2):\n%S  M201 X%lu Y%lu Z%lu E%lu\n"
-		"%SAcceleration: S=acceleration, T=retract acceleration\n%S  M204 S%.2f T%.2f\n"
+		"%SAcceleration: P=print, R=retract, T=travel\n%S  M204 P%.2f R%.2f T%.2f\n"
 		"%SAdvanced variables: S=Min feedrate (mm/s), T=Min travel feedrate (mm/s), B=minimum segment time (ms), X=maximum XY jerk (mm/s),  Z=maximum Z jerk (mm/s),  E=maximum E jerk (mm/s)\n%S  M205 S%.2f T%.2f B%.2f X%.2f Y%.2f Z%.2f E%.2f\n"
 		"%SHome offset (mm):\n%S  M206 X%.2f Y%.2f Z%.2f\n"
 		),
@@ -106,7 +106,7 @@ void Config_PrintSettings(uint8_t level)
 		echomagic, echomagic, cs.max_feedrate_silent[X_AXIS], cs.max_feedrate_silent[Y_AXIS], cs.max_feedrate_silent[Z_AXIS], cs.max_feedrate_silent[E_AXIS],
 		echomagic, echomagic, cs.max_acceleration_units_per_sq_second_normal[X_AXIS], cs.max_acceleration_units_per_sq_second_normal[Y_AXIS], cs.max_acceleration_units_per_sq_second_normal[Z_AXIS], cs.max_acceleration_units_per_sq_second_normal[E_AXIS],
 		echomagic, echomagic, cs.max_acceleration_units_per_sq_second_silent[X_AXIS], cs.max_acceleration_units_per_sq_second_silent[Y_AXIS], cs.max_acceleration_units_per_sq_second_silent[Z_AXIS], cs.max_acceleration_units_per_sq_second_silent[E_AXIS],
-		echomagic, echomagic, cs.acceleration, cs.retract_acceleration,
+		echomagic, echomagic, cs.acceleration, cs.retract_acceleration, cs.travel_acceleration,
 		echomagic, echomagic, cs.minimumfeedrate, cs.mintravelfeedrate, cs.minsegmenttime, cs.max_jerk[X_AXIS], cs.max_jerk[Y_AXIS], cs.max_jerk[Z_AXIS], cs.max_jerk[E_AXIS],
 		echomagic, echomagic, cs.add_homing[X_AXIS], cs.add_homing[Y_AXIS], cs.add_homing[Z_AXIS]
 #else //TMC2130
@@ -114,14 +114,14 @@ void Config_PrintSettings(uint8_t level)
 		"%SSteps per unit:\n%S  M92 X%.2f Y%.2f Z%.2f E%.2f\n"
 		"%SMaximum feedrates (mm/s):\n%S  M203 X%.2f Y%.2f Z%.2f E%.2f\n"
 		"%SMaximum acceleration (mm/s2):\n%S  M201 X%lu Y%lu Z%lu E%lu\n"
-		"%SAcceleration: S=acceleration, T=retract acceleration\n%S  M204 S%.2f T%.2f\n"
+		"%SAcceleration: P=print, R=retract, T=travel\n%S  M204 P%.2f R%.2f T%.2f\n"
 		"%SAdvanced variables: S=Min feedrate (mm/s), T=Min travel feedrate (mm/s), B=minimum segment time (ms), X=maximum XY jerk (mm/s),  Z=maximum Z jerk (mm/s),  E=maximum E jerk (mm/s)\n%S  M205 S%.2f T%.2f B%.2f X%.2f Y%.2f Z%.2f E%.2f\n"
 		"%SHome offset (mm):\n%S  M206 X%.2f Y%.2f Z%.2f\n"
 		),
 		echomagic, echomagic, cs.axis_steps_per_unit[X_AXIS], cs.axis_steps_per_unit[Y_AXIS], cs.axis_steps_per_unit[Z_AXIS], cs.axis_steps_per_unit[E_AXIS],
 		echomagic, echomagic, max_feedrate[X_AXIS], max_feedrate[Y_AXIS], max_feedrate[Z_AXIS], max_feedrate[E_AXIS],
 		echomagic, echomagic, max_acceleration_units_per_sq_second[X_AXIS], max_acceleration_units_per_sq_second[Y_AXIS], max_acceleration_units_per_sq_second[Z_AXIS], max_acceleration_units_per_sq_second[E_AXIS],
-		echomagic, echomagic, cs.acceleration, cs.retract_acceleration,
+		echomagic, echomagic, cs.acceleration, cs.retract_acceleration, cs.travel_acceleration,
 		echomagic, echomagic, cs.minimumfeedrate, cs.mintravelfeedrate, cs.minsegmenttime, cs.max_jerk[X_AXIS], cs.max_jerk[Y_AXIS], cs.max_jerk[Z_AXIS], cs.max_jerk[E_AXIS],
 		echomagic, echomagic, cs.add_homing[X_AXIS], cs.add_homing[Y_AXIS], cs.add_homing[Z_AXIS]
 #endif //TMC2130
@@ -184,7 +184,7 @@ static_assert (false, "zprobe_zoffset was not initialized in printers in field t
         "0.0, if this is not acceptable, increment EEPROM_VERSION to force use default_conf");
 #endif
 
-static_assert (sizeof(M500_conf) == 192, "sizeof(M500_conf) has changed, ensure that EEPROM_VERSION has been incremented, "
+static_assert (sizeof(M500_conf) == 196, "sizeof(M500_conf) has changed, ensure that EEPROM_VERSION has been incremented, "
         "or if you added members in the end of struct, ensure that historically uninitialized values will be initialized."
         "If this is caused by change to more then 8bit processor, decide whether make this struct packed to save EEPROM,"
         "leave as it is to keep fast code, or reorder struct members to pack more tightly.");
@@ -232,8 +232,21 @@ static const M500_conf default_conf PROGMEM =
 #else // TMC2130
     {16,16,16,16},
 #endif
+    DEFAULT_TRAVEL_ACCELERATION,
 };
 
+
+static bool is_uninitialized(void* addr, uint8_t len)
+{
+    while(len--)
+    {
+        if(reinterpret_cast<uint8_t*>(addr)[len] != 0xff)
+            return false;
+    }
+    return true;
+}
+
+
 //! @brief Read M500 configuration
 //! @retval true Succeeded. Stored settings retrieved or default settings retrieved in case EEPROM has been erased.
 //! @retval false Failed. Default settings has been retrieved, because of older version or corrupted data.
@@ -257,13 +270,9 @@ bool Config_RetrieveSettings()
         for (uint8_t i = 0; i < (sizeof(cs.max_feedrate_silent)/sizeof(cs.max_feedrate_silent[0])); ++i)
         {
             const uint32_t erased = 0xffffffff;
-            bool initialized = false;
-
-            for(uint8_t j = 0; j < sizeof(float); ++j)
-            {
-                if(0xff != reinterpret_cast<uint8_t*>(&(cs.max_feedrate_silent[i]))[j]) initialized = true;
+            if (is_uninitialized(&(cs.max_feedrate_silent[i]), sizeof(float))) {
+                memcpy_P(&cs.max_feedrate_silent[i],&default_conf.max_feedrate_silent[i], sizeof(cs.max_feedrate_silent[i]));
             }
-            if (!initialized) memcpy_P(&cs.max_feedrate_silent[i],&default_conf.max_feedrate_silent[i], sizeof(cs.max_feedrate_silent[i]));
             if (erased == cs.max_acceleration_units_per_sq_second_silent[i]) {
                 memcpy_P(&cs.max_acceleration_units_per_sq_second_silent[i],&default_conf.max_acceleration_units_per_sq_second_silent[i],sizeof(cs.max_acceleration_units_per_sq_second_silent[i]));
             }
@@ -293,6 +302,9 @@ bool Config_RetrieveSettings()
 		tmc2130_set_res(E_AXIS, cs.axis_ustep_resolution[E_AXIS]);
 #endif //TMC2130
 
+        if(is_uninitialized(&cs.travel_acceleration, sizeof(cs.travel_acceleration)))
+            cs.travel_acceleration = cs.acceleration;
+
 		reset_acceleration_rates();
 
 		// Call updatePID (similar to when we have processed M301)

Firmware/ConfigurationStore.h

@@ -38,6 +38,7 @@ typedef struct
     float max_feedrate_silent[4]; //!< max speeds for silent mode
     unsigned long max_acceleration_units_per_sq_second_silent[4];
     unsigned char axis_ustep_resolution[4];
+    float travel_acceleration; //!< travel acceleration mm/s^2
 } M500_conf;
 
 extern M500_conf cs;

Firmware/Marlin.h

@@ -350,10 +350,6 @@ extern unsigned long t_fan_rising_edge;
 extern bool mesh_bed_leveling_flag;
 extern bool mesh_bed_run_from_menu;
 
-extern bool sortAlpha;
-
-extern char dir_names[3][9];
-
 extern int8_t lcd_change_fil_state;
 // save/restore printing
 extern bool saved_printing;
@@ -501,4 +497,6 @@ void raise_z_above(float target, bool plan=true);
 
 extern "C" void softReset();
 
+extern uint32_t IP_address;
+
 #endif

Firmware/Marlin_main.cpp

@@ -90,18 +90,13 @@
 #include "la10compat.h"
 #endif
 
-#ifdef SWSPI
-#include "swspi.h"
-#endif //SWSPI
-
 #include "spi.h"
 
-#ifdef SWI2C
-#include "swi2c.h"
-#endif //SWI2C
-
 #ifdef FILAMENT_SENSOR
 #include "fsensor.h"
+#ifdef IR_SENSOR
+#include "pat9125.h" // for pat9125_probe
+#endif
 #endif //FILAMENT_SENSOR
 
 #ifdef TMC2130
@@ -233,10 +228,6 @@ bool fan_state[2];
 int fan_edge_counter[2];
 int fan_speed[2];
 
-char dir_names[3][9];
-
-bool sortAlpha = false;
-
 
 float extruder_multiplier[EXTRUDERS] = {1.0
   #if EXTRUDERS > 1
@@ -326,6 +317,8 @@ uint16_t print_time_remaining_normal = PRINT_TIME_REMAINING_INIT; //estimated re
 uint8_t print_percent_done_silent = PRINT_PERCENT_DONE_INIT;
 uint16_t print_time_remaining_silent = PRINT_TIME_REMAINING_INIT; //estimated remaining print time in minutes
 
+uint32_t IP_address = 0;
+
 //===========================================================================
 //=============================Private Variables=============================
 //===========================================================================
@@ -457,6 +450,7 @@ static void gcode_M105(uint8_t extruder);
 static void temp_compensation_start();
 static void temp_compensation_apply();
 
+static bool get_PRUSA_SN(char* SN);
 
 uint16_t gcode_in_progress = 0;
 uint16_t mcode_in_progress = 0;
@@ -921,9 +915,7 @@ static void check_if_fw_is_on_right_printer(){
 #ifdef FILAMENT_SENSOR
   if((PRINTER_TYPE == PRINTER_MK3) || (PRINTER_TYPE == PRINTER_MK3S)){
     #ifdef IR_SENSOR
-    swi2c_init();
-    const uint8_t pat9125_detected = swi2c_readByte_A8(PAT9125_I2C_ADDR,0x00,NULL);
-      if (pat9125_detected){
+      if (pat9125_probe()){
         lcd_show_fullscreen_message_and_wait_P(_i("MK3S firmware detected on MK3 printer"));}////c=20 r=3
     #endif //IR_SENSOR
 
@@ -1060,6 +1052,8 @@ static void w25x20cl_err_msg()
 // are initialized by the main() routine provided by the Arduino framework.
 void setup()
 {
+	timer2_init(); // enables functional millis
+
 	mmu_init();
 
 	ultralcd_init();
@@ -1123,6 +1117,22 @@ void setup()
           if(!(eeprom_read_byte((uint8_t*)EEPROM_FAN_CHECK_ENABLED)))
                eeprom_update_byte((unsigned char *)EEPROM_FAN_CHECK_ENABLED,true);
 	}
+
+    //saved EEPROM SN is not valid. Try to retrieve it.
+    //SN is valid only if it is NULL terminated. Any other character means either uninitialized or corrupted
+    if (eeprom_read_byte((uint8_t*)EEPROM_PRUSA_SN + 19))
+    {
+        char SN[20];
+        if (get_PRUSA_SN(SN))
+        {
+            eeprom_update_block(SN, (uint8_t*)EEPROM_PRUSA_SN, 20);
+            puts_P(PSTR("SN updated"));
+        }
+        else
+            puts_P(PSTR("SN update failed"));
+    }
+
+
 #ifndef W25X20CL
 	SERIAL_PROTOCOLLNPGM("start");
 #else
@@ -3030,6 +3040,8 @@ bool gcode_M45(bool onlyZ, int8_t verbosity_level)
 	//set_destination_to_current();
 	int l_feedmultiply = setup_for_endstop_move();
 	lcd_display_message_fullscreen_P(_T(MSG_AUTO_HOME));
+  raise_z_above(MESH_HOME_Z_SEARCH);
+  st_synchronize();
 	home_xy();
 
 	enable_endstops(false);
@@ -3447,25 +3459,26 @@ void gcode_M701()
  *
  * Typical format of S/N is:CZPX0917X003XC13518
  *
- * Command operates only in farm mode, if not in farm mode, "Not in farm mode." is written to MYSERIAL.
- *
  * Send command ;S to serial port 0 to retrieve serial number stored in 32U2 processor,
- * reply is transmitted to serial port 1 character by character.
+ * reply is stored in *SN.
  * Operation takes typically 23 ms. If the retransmit is not finished until 100 ms,
- * it is interrupted, so less, or no characters are retransmitted, only newline character is send
- * in any case.
+ * it is interrupted, so less, or no characters are retransmitted, the function returns false
+ * The command will fail if the 32U2 processor is unpowered via USB since it is isolated from the rest of the electronics.
+ * In that case the value that is stored in the EEPROM should be used instead.
+ *
+ * @return 1 on success
+ * @return 0 on general failure
  */
-static void gcode_PRUSA_SN()
+static bool get_PRUSA_SN(char* SN)
 {
     uint8_t selectedSerialPort_bak = selectedSerialPort;
-    char SN[20];
     selectedSerialPort = 0;
     SERIAL_ECHOLNRPGM(PSTR(";S"));
     uint8_t numbersRead = 0;
     ShortTimer timeout;
     timeout.start();
 
-    while (numbersRead < (sizeof(SN) - 1)) {
+    while (numbersRead < 19) {
         if (MSerial.available() > 0) {
             SN[numbersRead] = MSerial.read();
             numbersRead++;
@@ -3474,7 +3487,7 @@ static void gcode_PRUSA_SN()
     }
     SN[numbersRead] = 0;
     selectedSerialPort = selectedSerialPort_bak;
-    SERIAL_ECHOLN(SN);
+    return (numbersRead == 19);
 }
 //! Detection of faulty RAMBo 1.1b boards equipped with bigger capacitors
 //! at the TACH_1 pin, which causes bad detection of print fan speed.
@@ -3719,6 +3732,7 @@ extern uint8_t st_backlash_y;
 //!@n M503 - print the current settings (from memory not from EEPROM)
 //!@n M509 - force language selection on next restart
 //!@n M540 - Use S[0|1] to enable or disable the stop SD card print on endstop hit (requires ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED)
+//!@n M552 - Set IP address
 //!@n M600 - Pause for filament change X[pos] Y[pos] Z[relative lift] E[initial retract] L[later retract distance for removal]
 //!@n M605 - Set dual x-carriage movement mode: S<mode> [ X<duplication x-offset> R<duplication temp offset> ]
 //!@n M860 - Wait for PINDA thermistor to reach target temperature.
@@ -4006,7 +4020,12 @@ void process_commands()
         card.openFileWrite(strchr_pointer+4);
 
 	} else if (code_seen_P(PSTR("SN"))) { // PRUSA SN
-        gcode_PRUSA_SN();
+        char SN[20];
+        eeprom_read_block(SN, (uint8_t*)EEPROM_PRUSA_SN, 20);
+        if (SN[19])
+            puts_P(PSTR("SN invalid"));
+        else
+            puts(SN);
 
 	} else if(code_seen_P(PSTR("Fir"))){ // PRUSA Fir
 
@@ -5816,9 +5835,15 @@ if(eSoundMode!=e_SOUND_MODE_SILENT)
 
     /*!
 	### M27 - Get SD status <a href="https://reprap.org/wiki/G-code#M27:_Report_SD_print_status">M27: Report SD print status</a>
+    #### Usage
+	
+	      M27 [ P ]
+	
+	#### Parameters
+	  - `P` - Show full SFN path instead of LFN only.
     */
     case 27:
-      card.getStatus();
+      card.getStatus(code_seen('P'));
       break;
 
     /*!
@@ -6963,14 +6988,14 @@ Sigma_Exit:
 	### M120 - Enable endstops <a href="https://reprap.org/wiki/G-code#M120:_Enable_endstop_detection">M120: Enable endstop detection</a>
     */
     case 120:
-      enable_endstops(false) ;
+      enable_endstops(true) ;
       break;
 
     /*!
 	### M121 - Disable endstops <a href="https://reprap.org/wiki/G-code#M121:_Disable_endstop_detection">M121: Disable endstop detection</a>
     */
     case 121:
-      enable_endstops(true) ;
+      enable_endstops(false) ;
       break;
 
     /*!
@@ -7231,7 +7256,7 @@ Sigma_Exit:
           // Legacy acceleration format. This format is used by the legacy Marlin, MK2 or MK3 firmware,
           // and it is also generated by Slic3r to control acceleration per extrusion type
           // (there is a separate acceleration settings in Slicer for perimeter, first layer etc).
-          cs.acceleration = code_value();
+          cs.acceleration = cs.travel_acceleration = code_value();
           // Interpret the T value as retract acceleration in the old Marlin format.
           if(code_seen('T'))
             cs.retract_acceleration = code_value();
@@ -7241,13 +7266,8 @@ Sigma_Exit:
             cs.acceleration = code_value();
           if(code_seen('R'))
             cs.retract_acceleration = code_value();
-          if(code_seen('T')) {
-            // Interpret the T value as the travel acceleration in the new Marlin format.
-            /*!
-            @todo Prusa3D firmware currently does not support travel acceleration value independent from the extruding acceleration value.
-            */
-            // travel_acceleration = code_value();
-          }
+          if(code_seen('T'))
+            cs.travel_acceleration = code_value();
         }
       }
       break;
@@ -7980,6 +8000,36 @@ Sigma_Exit:
     }
     #endif // CUSTOM_M_CODE_SET_Z_PROBE_OFFSET
 
+	/*!
+	### M552 - Set IP address <a href="https://reprap.org/wiki/G-code#M552:_Set_IP_address.2C_enable.2Fdisable_network_interface">M552: Set IP address, enable/disable network interface"</a>
+    Sets the printer IP address that is shown in the support menu. Designed to be used with the help of host software.
+    If P is not specified nothing happens.
+    If the structure of the IP address is invalid, 0.0.0.0 is assumed and nothing is shown on the screen in the Support menu.
+    #### Usage
+    
+        M552 [ P<IP_address> ]
+    
+    #### Parameters
+    - `P` - The IP address in xxx.xxx.xxx.xxx format. Eg: P192.168.1.14
+	*/
+    case 552:
+    {
+        if (code_seen('P'))
+        {
+            uint8_t valCnt = 0;
+            IP_address = 0;
+            do
+            {
+                *strchr_pointer = '*';
+                ((uint8_t*)&IP_address)[valCnt] = code_value_short();
+                valCnt++;
+            } while ((valCnt < 4) && code_seen('.'));
+            
+            if (valCnt != 4)
+                IP_address = 0;
+        }
+    } break;
+
     #ifdef FILAMENTCHANGEENABLE
 
     /*!
@@ -10026,16 +10076,16 @@ bool setTargetedHotend(int code, uint8_t &extruder)
           SERIAL_ECHORPGM(_n("M104 Invalid extruder "));////MSG_M104_INVALID_EXTRUDER
           break;
         case 105:
-          SERIAL_ECHO(_n("M105 Invalid extruder "));////MSG_M105_INVALID_EXTRUDER
+          SERIAL_ECHORPGM(_n("M105 Invalid extruder "));////MSG_M105_INVALID_EXTRUDER
           break;
         case 109:
-          SERIAL_ECHO(_n("M109 Invalid extruder "));////MSG_M109_INVALID_EXTRUDER
+          SERIAL_ECHORPGM(_n("M109 Invalid extruder "));////MSG_M109_INVALID_EXTRUDER
           break;
         case 218:
-          SERIAL_ECHO(_n("M218 Invalid extruder "));////MSG_M218_INVALID_EXTRUDER
+          SERIAL_ECHORPGM(_n("M218 Invalid extruder "));////MSG_M218_INVALID_EXTRUDER
           break;
         case 221:
-          SERIAL_ECHO(_n("M221 Invalid extruder "));////MSG_M221_INVALID_EXTRUDER
+          SERIAL_ECHORPGM(_n("M221 Invalid extruder "));////MSG_M221_INVALID_EXTRUDER
           break;
       }
       SERIAL_PROTOCOLLN((int)extruder);
@@ -10911,6 +10961,10 @@ void uvlo_()
 #endif
 	eeprom_update_word((uint16_t*)(EEPROM_EXTRUDEMULTIPLY), (uint16_t)extrudemultiply);
 
+	eeprom_update_float((float*)(EEPROM_UVLO_ACCELL), cs.acceleration);
+	eeprom_update_float((float*)(EEPROM_UVLO_RETRACT_ACCELL), cs.retract_acceleration);
+	eeprom_update_float((float*)(EEPROM_UVLO_TRAVEL_ACCELL), cs.travel_acceleration);
+
     // Store the saved target
     eeprom_update_float((float*)(EEPROM_UVLO_SAVED_TARGET+0*4), saved_target[X_AXIS]);
     eeprom_update_float((float*)(EEPROM_UVLO_SAVED_TARGET+1*4), saved_target[Y_AXIS]);
@@ -11223,8 +11277,8 @@ void restore_print_from_eeprom(bool mbl_was_active) {
 		}
 		dir_name[8] = '\0';
 		MYSERIAL.println(dir_name);
-		strcpy(dir_names[i], dir_name);
-		card.chdir(dir_name);
+		// strcpy(dir_names[i], dir_name);
+		card.chdir(dir_name, false);
 	}
 
 	for (int i = 0; i < 8; i++) {
@@ -11255,6 +11309,13 @@ void restore_print_from_eeprom(bool mbl_was_active) {
     sprintf_P(cmd, PSTR("G1 Z%f"), eeprom_read_float((float*)(EEPROM_UVLO_CURRENT_POSITION_Z)));
 	enquecommand(cmd);
 
+    // Restore acceleration settings
+    float acceleration = eeprom_read_float((float*)(EEPROM_UVLO_ACCELL));
+    float retract_acceleration = eeprom_read_float((float*)(EEPROM_UVLO_RETRACT_ACCELL));
+    float travel_acceleration = eeprom_read_float((float*)(EEPROM_UVLO_TRAVEL_ACCELL));
+    sprintf_P(cmd, PSTR("M204 P%f R%f T%f"), acceleration, retract_acceleration, travel_acceleration);
+    enquecommand(cmd);
+
   // Unretract.
     sprintf_P(cmd, PSTR("G1 E%0.3f F2700"), default_retraction);
     enquecommand(cmd);
@@ -11721,7 +11782,7 @@ void M600_wait_for_user(float HotendTempBckp) {
 				delay_keep_alive(4);
 
 				if (_millis() > waiting_start_time + (unsigned long)M600_TIMEOUT * 1000) {
-					lcd_display_message_fullscreen_P(_i("Press knob to preheat nozzle and continue."));////MSG_PRESS_TO_PREHEAT c=20 r=4
+					lcd_display_message_fullscreen_P(_i("Press the knob to preheat nozzle and continue."));////MSG_PRESS_TO_PREHEAT c=20 r=4
 					wait_for_user_state = 1;
 					setAllTargetHotends(0);
 					st_synchronize();

Firmware/Sd2PinMap.h

@@ -37,10 +37,6 @@ struct pin_map_t {
 || defined(__AVR_ATmega2560__)
 // Mega
 
-// Two Wire (aka I2C) ports
-uint8_t const SDA_PIN = 20;  // D1
-uint8_t const SCL_PIN = 21;  // D0
-
 #undef MOSI_PIN
 #undef MISO_PIN
 // SPI port
@@ -365,4 +361,4 @@ static inline __attribute__((always_inline))
 #endif  // Sd2PinMap_h
 
 
-#endif
+#endif

Firmware/cardreader.cpp

@@ -32,6 +32,7 @@ CardReader::CardReader()
    workDirDepth = 0;
    file_subcall_ctr=0;
    memset(workDirParents, 0, sizeof(workDirParents));
+   presort_flag = false;
 
    autostart_stilltocheck=true; //the SD start is delayed, because otherwise the serial cannot answer fast enough to make contact with the host software.
    lastnr=0;
@@ -69,12 +70,23 @@ char *createFilename(char *buffer,const dir_t &p) //buffer>12characters
 +*/
 
 void CardReader::lsDive(const char *prepend, SdFile parent, const char * const match/*=NULL*/) {
+	static uint8_t recursionCnt = 0;
+	// RAII incrementer for the recursionCnt
+	class _incrementer
+	{
+		public:
+		_incrementer() {recursionCnt++;}
+		~_incrementer() {recursionCnt--;}
+	} recursionCntIncrementer;
+	
 	dir_t p;
 	uint8_t cnt = 0;
 		// Read the next entry from a directory
 		while (parent.readDir(p, longFilename) > 0) {
-			// If the entry is a directory and the action is LS_SerialPrint
-			if (DIR_IS_SUBDIR(&p) && lsAction != LS_Count && lsAction != LS_GetFilename) {
+			if (recursionCnt > MAX_DIR_DEPTH)
+				return;
+			else if (DIR_IS_SUBDIR(&p) && lsAction != LS_Count && lsAction != LS_GetFilename) { // If the entry is a directory and the action is LS_SerialPrint
+				
 				// Get the short name for the item, which we know is a folder
 				char lfilename[FILENAME_LENGTH];
 				createFilename(lfilename, p);
@@ -241,18 +253,18 @@ void CardReader::initsd()
   
 }
 
-void CardReader::setroot()
+void CardReader::setroot(bool doPresort)
 {
-  /*if(!workDir.openRoot(&volume))
-  {
-    SERIAL_ECHOLNPGM(MSG_SD_WORKDIR_FAIL);
-  }*/
   workDir=root;
+  workDirDepth = 0;
   
   curDir=&workDir;
-  #ifdef SDCARD_SORT_ALPHA
-	  presort();
-  #endif
+#ifdef SDCARD_SORT_ALPHA
+	if (doPresort)
+		presort();
+	else
+		presort_flag = true;
+#endif
 }
 void CardReader::release()
 {
@@ -304,6 +316,18 @@ void CardReader::getAbsFilename(char *t)
   else
     t[0]=0;
 }
+
+void CardReader::printAbsFilenameFast()
+{
+    SERIAL_PROTOCOL('/');
+    for (uint8_t i = 0; i < getWorkDirDepth(); i++)
+    {
+        SERIAL_PROTOCOL(dir_names[i]);
+        SERIAL_PROTOCOL('/');
+    }
+    SERIAL_PROTOCOL(LONGEST_FILENAME);
+}
+
 /**
  * @brief Dive into subfolder
  *
@@ -317,19 +341,17 @@ void CardReader::getAbsFilename(char *t)
  * @param[in,out] fileName
  *  expects file name including path
  *  in case of absolute path, file name without path is returned
- * @param[in,out] dir SdFile object to operate with,
- *  in case of absolute path, curDir is modified to point to dir,
- *  so it is not possible to create on stack inside this function,
- *  as curDir would point to destroyed object.
  */
-void CardReader::diveSubfolder (const char *fileName, SdFile& dir)
+bool CardReader::diveSubfolder (const char *&fileName)
 {
     curDir=&root;
-    if (!fileName) return;
+    if (!fileName)
+        return 1;
 
     const char *dirname_start, *dirname_end;
     if (fileName[0] == '/') // absolute path
     {
+        setroot(false);
         dirname_start = fileName + 1;
         while (*dirname_start)
         {
@@ -340,23 +362,13 @@ void CardReader::diveSubfolder (const char *fileName, SdFile& dir)
             {
                 const size_t maxLen = 12;
                 char subdirname[maxLen+1];
-                subdirname[maxLen] = 0;
                 const size_t len = ((static_cast<size_t>(dirname_end-dirname_start))>maxLen) ? maxLen : (dirname_end-dirname_start);
                 strncpy(subdirname, dirname_start, len);
-                SERIAL_ECHOLN(subdirname);
-                if (!dir.open(curDir, subdirname, O_READ))
-                {
-                    SERIAL_PROTOCOLRPGM(MSG_SD_OPEN_FILE_FAIL);
-                    SERIAL_PROTOCOL(subdirname);
-                    SERIAL_PROTOCOLLN('.');
-                    return;
-                }
-                else
-                {
-                    //SERIAL_ECHOLN("dive ok");
-                }
-
-                curDir = &dir;
+                subdirname[len] = 0;
+                if (!chdir(subdirname, false))
+                    return 0;
+
+                curDir = &workDir;
                 dirname_start = dirname_end + 1;
             }
             else // the reminder after all /fsa/fdsa/ is the filename
@@ -373,6 +385,7 @@ void CardReader::diveSubfolder (const char *fileName, SdFile& dir)
     {
         curDir = &workDir;
     }
+    return 1;
 }
 
 static const char ofKill[] PROGMEM = "trying to call sub-gcode files with too many levels.";
@@ -428,9 +441,9 @@ void CardReader::openFileReadFilteredGcode(const char* name, bool replace_curren
     }
     sdprinting = false;
   
-    SdFile myDir;
     const char *fname=name;
-    diveSubfolder(fname,myDir);
+    if (!diveSubfolder(fname))
+      return;
   
     if (file.openFilteredGcode(curDir, fname)) {
         filesize = file.fileSize();
@@ -516,9 +529,9 @@ void CardReader::removeFile(const char* name)
     file.close();
     sdprinting = false;
 
-    SdFile myDir;
     const char *fname=name;
-    diveSubfolder(fname,myDir);
+    if (!diveSubfolder(fname))
+      return;
 
     if (file.remove(curDir, fname)) 
     {
@@ -543,31 +556,36 @@ uint32_t CardReader::getFileSize()
 	return filesize;
 }
 
-void CardReader::getStatus()
+void CardReader::getStatus(bool arg_P)
 {
-  if(sdprinting)
-  {
-      if (isPrintPaused) {
-          SERIAL_PROTOCOLLNPGM("SD print paused");
-      }
-      else if (saved_printing) {
-          SERIAL_PROTOCOLLNPGM("Print saved");
-      }
-      else {
-          SERIAL_PROTOCOLLN(LONGEST_FILENAME);
-          SERIAL_PROTOCOLRPGM(_N("SD printing byte "));////MSG_SD_PRINTING_BYTE
-          SERIAL_PROTOCOL(sdpos);
-          SERIAL_PROTOCOL('/');
-          SERIAL_PROTOCOLLN(filesize);
-          uint16_t time = ( _millis() - starttime ) / 60000U;
-          SERIAL_PROTOCOL(itostr2(time/60));
-          SERIAL_PROTOCOL(':');
-          SERIAL_PROTOCOLLN(itostr2(time%60));
-      }
-  }
-  else {
-    SERIAL_PROTOCOLLNPGM("Not SD printing");
-  }
+    if (isPrintPaused)
+    {
+        if (saved_printing && (saved_printing_type == PRINTING_TYPE_SD))
+            SERIAL_PROTOCOLLNPGM("SD print paused");
+        else
+            SERIAL_PROTOCOLLNPGM("Print saved");
+    }
+    else if (sdprinting)
+    {
+        if (arg_P)
+        {
+            printAbsFilenameFast();
+            SERIAL_PROTOCOLLN();
+        }
+        else
+            SERIAL_PROTOCOLLN(LONGEST_FILENAME);
+        
+        SERIAL_PROTOCOLRPGM(_N("SD printing byte "));////MSG_SD_PRINTING_BYTE
+        SERIAL_PROTOCOL(sdpos);
+        SERIAL_PROTOCOL('/');
+        SERIAL_PROTOCOLLN(filesize);
+        uint16_t time = ( _millis() - starttime ) / 60000U;
+        SERIAL_PROTOCOL(itostr2(time/60));
+        SERIAL_PROTOCOL(':');
+        SERIAL_PROTOCOLLN(itostr2(time%60));
+    }
+    else
+        SERIAL_PROTOCOLLNPGM("Not SD printing");
 }
 void CardReader::write_command(char *buf)
 {
@@ -704,7 +722,7 @@ uint16_t CardReader::getnrfilenames()
   return nrFiles;
 }
 
-void CardReader::chdir(const char * relpath)
+bool CardReader::chdir(const char * relpath, bool doPresort)
 {
   SdFile newfile;
   SdFile *parent=&root;
@@ -712,23 +730,32 @@ void CardReader::chdir(const char * relpath)
   if(workDir.isOpen())
     parent=&workDir;
   
-  if(!newfile.open(*parent,relpath, O_READ))
+  if(!newfile.open(*parent,relpath, O_READ) || ((workDirDepth + 1) >= MAX_DIR_DEPTH))
   {
    SERIAL_ECHO_START;
    SERIAL_ECHORPGM(_n("Cannot enter subdir: "));////MSG_SD_CANT_ENTER_SUBDIR
    SERIAL_ECHOLN(relpath);
+   return 0;
   }
   else
   {
+    strcpy(dir_names[workDirDepth], relpath);
+    puts(relpath);
+
     if (workDirDepth < MAX_DIR_DEPTH) {
       for (int d = ++workDirDepth; d--;)
         workDirParents[d+1] = workDirParents[d];
       workDirParents[0]=*parent;
     }
     workDir=newfile;
-	#ifdef SDCARD_SORT_ALPHA
+
+#ifdef SDCARD_SORT_ALPHA
+	if (doPresort)
 		presort();
-	#endif
+	else
+		presort_flag = true;
+#endif
+	return 1;
   }
 }
 

Firmware/cardreader.h

@@ -5,7 +5,7 @@
 
 #ifdef SDSUPPORT
 
-#define MAX_DIR_DEPTH 10
+#define MAX_DIR_DEPTH 6
 
 #include "SdFile.h"
 enum LsAction {LS_SerialPrint,LS_SerialPrint_LFN,LS_Count,LS_GetFilename};
@@ -29,7 +29,7 @@ public:
   void release();
   void startFileprint();
   uint32_t getFileSize();
-  void getStatus();
+  void getStatus(bool arg_P);
   void printingHasFinished();
 
   void getfilename(uint16_t nr, const char* const match=NULL);
@@ -37,14 +37,15 @@ public:
   uint16_t getnrfilenames();
   
   void getAbsFilename(char *t);
+  void printAbsFilenameFast();
   void getDirName(char* name, uint8_t level);
   uint16_t getWorkDirDepth();
   
 
   void ls(bool printLFN);
-  void chdir(const char * relpath);
+  bool chdir(const char * relpath, bool doPresort);
   void updir();
-  void setroot();
+  void setroot(bool doPresort);
 
   #ifdef SDCARD_SORT_ALPHA
      void presort();
@@ -87,6 +88,10 @@ public:
   char longFilename[LONG_FILENAME_LENGTH];
   bool filenameIsDir;
   int lastnr; //last number of the autostart;
+#ifdef SDCARD_SORT_ALPHA
+  bool presort_flag;
+  char dir_names[MAX_DIR_DEPTH][9];
+#endif // SDCARD_SORT_ALPHA
 private:
   SdFile root,*curDir,workDir,workDirParents[MAX_DIR_DEPTH];
   uint16_t workDirDepth;
@@ -160,7 +165,7 @@ private:
   int16_t nrFiles; //counter for the files in the current directory and recycled as position counter for getting the nrFiles'th name in the directory.
   char* diveDirName;
 
-  void diveSubfolder (const char *fileName, SdFile& dir);
+  bool diveSubfolder (const char *&fileName);
   void lsDive(const char *prepend, SdFile parent, const char * const match=NULL);
 #ifdef SDCARD_SORT_ALPHA
   void flush_presort();

Firmware/config.h

@@ -23,7 +23,6 @@
 #define ADC_CALLBACK      adc_ready //callback function ()
 
 //SWI2C configuration
-#define SWI2C
 //#define SWI2C_SDA         20 //SDA on P3
 //#define SWI2C_SCL         21 //SCL on P3
 #define SWI2C_A8
@@ -31,7 +30,13 @@
 #define SWI2C_TMO         2048 //2048 cycles timeout
 
 //PAT9125 configuration
-#define PAT9125_SWI2C
+//#define PAT9125_SWSPI // software SPI mode (incomplete)
+#ifdef SWI2C_SCL
+#define PAT9125_SWI2C   // software I2C mode
+#else
+#define PAT9125_I2C     // hardware I2C mode
+#endif
+
 #define PAT9125_I2C_ADDR  0x75  //ID=LO
 //#define PAT9125_I2C_ADDR  0x79  //ID=HI
 //#define PAT9125_I2C_ADDR  0x73  //ID=NC

Firmware/eeprom.h

@@ -318,8 +318,11 @@ static_assert(sizeof(Sheets) == EEPROM_SHEETS_SIZEOF, "Sizeof(Sheets) is not EEP
 | 0x0D29 3369		| uint8		| EEPROM_PINDA_TEMP_COMPENSATION   		| ffh 255		| ffh 255				| PINDA temp compensation unknown state	            | LCD menu		| D3 Ax0d29 C1
 | ^					| ^			| ^										| 00h 0			| ^						| PINDA has no temp compensation PINDA v1/2    		| ^				| ^
 | ^					| ^			| ^										| 01h 1			| ^						| PINDA has temp compensation aka SuperPINDA       	| ^				| ^
+| 0x0D15 3349		| char[20]	| EEPROM_PRUSA_SN						| SN[19] == 0	| ffffffffffffffff...	| PRUSA Serial number string						| PRUSA SN		| D3 Ax0d15 C20
+| 0x0D11 3345		| float		| EEPROM_UVLO_ACCELL                	| ???			| ff ff ff ffh			| Power panic saved normal acceleration     		| ???			| D3 Ax0d11 C4
+| 0x0D0D 3341		| float		| EEPROM_UVLO_RETRACT_ACCELL			| ???			| ff ff ff ffh			| Power panic saved retract acceleration     		| ???			| D3 Ax0d0d C4
+| 0x0D09 3337		| float		| EEPROM_UVLO_TRAVEL_ACCELL				| ???			| ff ff ff ffh			| Power panic saved travel acceleration     		| ???			| D3 Ax0d09 C4
 
-  
 | Address begin		| Bit/Type 	| Name 									| Valid values	| Default/FactoryReset	| Description 										| Gcode/Function| Debug code
 | :--:				| :--: 		| :--: 									| :--:			| :--:					| :--:												| :--:			| :--:
 | 0x0012 18			| uint16	| EEPROM_FIRMWARE_VERSION_END			| ???			| ff ffh 65535			| ???												| ???			| D3 Ax0012 C2
@@ -523,8 +526,14 @@ static Sheets * const EEPROM_Sheets_base = (Sheets*)(EEPROM_SHEETS_BASE);
 #define EEPROM_ALTFAN_OVERRIDE (EEPROM_UVLO_LA_K-1) //uint8
 #define EEPROM_EXPERIMENTAL_VISIBILITY (EEPROM_ALTFAN_OVERRIDE-1) //uint8
 #define EEPROM_PINDA_TEMP_COMPENSATION (EEPROM_EXPERIMENTAL_VISIBILITY-1) //uint8
+#define EEPROM_PRUSA_SN (EEPROM_PINDA_TEMP_COMPENSATION-20) //char[20]
+
+#define EEPROM_UVLO_ACCELL (EEPROM_PRUSA_SN-4) // float
+#define EEPROM_UVLO_RETRACT_ACCELL (EEPROM_UVLO_ACCELL-4) // float
+#define EEPROM_UVLO_TRAVEL_ACCELL (EEPROM_UVLO_RETRACT_ACCELL-4) // float
+
 //This is supposed to point to last item to allow EEPROM overrun check. Please update when adding new items.
-#define EEPROM_LAST_ITEM EEPROM_PINDA_TEMP_COMPENSATION
+#define EEPROM_LAST_ITEM EEPROM_UVLO_TRAVEL_ACCELL
 // !!!!!
 // !!!!! this is end of EEPROM section ... all updates MUST BE inserted before this mark !!!!!
 // !!!!!

Firmware/fastio.h

@@ -9,6 +9,7 @@
 #include <avr/io.h>
 #include "macros.h"
 
+
 /*
   magic I/O routines
   now you can simply SET_OUTPUT(STEP); WRITE(STEP, 1); WRITE(STEP, 0);

Firmware/fsensor.cpp

@@ -233,6 +233,8 @@ void fsensor_init(void)
 bool fsensor_enable(bool bUpdateEEPROM)
 {
 #ifdef PAT9125
+    (void)bUpdateEEPROM; // silence unused warning in this variant
+
 	if (mmu_enabled == false) { //filament sensor is pat9125, enable only if it is working
 		uint8_t pat9125 = pat9125_init();
 		printf_P(PSTR("PAT9125_init:%hhu\n"), pat9125);

Firmware/messages.c

@@ -197,3 +197,4 @@ const char MSG_M112_KILL[] PROGMEM_N1 = "M112 called. Emergency Stop."; ////c=20
 const char MSG_ADVANCE_K[] PROGMEM_N1 = "Advance K:"; ////c=13
 const char MSG_POWERPANIC_DETECTED[] PROGMEM_N1 = "POWER PANIC DETECTED"; ////c=20
 const char MSG_LCD_STATUS_CHANGED[] PROGMEM_N1 = "LCD status changed";
+const char MSG_FILE_SELECTED[] PROGMEM_N1 = "File selected"; ////c=20

Firmware/messages.h

@@ -197,6 +197,7 @@ extern const char MSG_M112_KILL[];
 extern const char MSG_ADVANCE_K[];
 extern const char MSG_POWERPANIC_DETECTED[];
 extern const char MSG_LCD_STATUS_CHANGED[];
+extern const char MSG_FILE_SELECTED[];
 
 #if defined(__cplusplus)
 }

Firmware/pat9125.c

@@ -26,12 +26,15 @@
 #define PAT9125_BANK_SELECTION	0x7f
 
 
-#ifdef PAT9125_SWSPI
+#if defined(PAT9125_SWSPI)
 #include "swspi.h"
-#endif //PAT9125_SWSPI
-#ifdef PAT9125_SWI2C
+#elif defined(PAT9125_SWI2C)
 #include "swi2c.h"
-#endif //PAT9125_SWI2C
+#elif defined(PAT9125_I2C)
+#include "twi.h"
+#else
+#error unknown PAT9125 communication method
+#endif
 
 
 uint8_t pat9125_PID1 = 0;
@@ -103,14 +106,31 @@ extern FILE _uartout;
 #define uartout (&_uartout)
 
 
+uint8_t pat9125_probe()
+{
+#if defined(PAT9125_SWSPI)
+    swspi_init();
+  #error not implemented
+#elif defined(PAT9125_SWI2C)
+    swi2c_init();
+    return swi2c_readByte_A8(PAT9125_I2C_ADDR,0x00,NULL);
+#elif defined(PAT9125_I2C)
+    twi_init();
+  #ifdef IR_SENSOR
+    // NOTE: this is called from the MK3S variant, so it should be kept minimal
+    uint8_t data;
+    return (twi_r8(PAT9125_I2C_ADDR,PAT9125_PID1,&data) == 0);
+  #else
+    return (pat9125_rd_reg(PAT9125_PID1) != 0);
+  #endif
+#endif
+}
+
 uint8_t pat9125_init(void)
 {
-#ifdef PAT9125_SWSPI
-	swspi_init();
-#endif //PAT9125_SWSPI
-#ifdef PAT9125_SWI2C
-	swi2c_init();
-#endif //PAT9125_SWI2C
+    if (!pat9125_probe())
+        return 0;
+
 	// Verify that the sensor responds with its correct product ID.
 	pat9125_PID1 = pat9125_rd_reg(PAT9125_PID1);
 	pat9125_PID2 = pat9125_rd_reg(PAT9125_PID2);
@@ -234,39 +254,46 @@ uint8_t pat9125_update_bs(void)
 uint8_t pat9125_rd_reg(uint8_t addr)
 {
 	uint8_t data = 0;
-#ifdef PAT9125_SWSPI
+#if defined(PAT9125_SWSPI)
 	swspi_start();
 	swspi_tx(addr & 0x7f);
 	data = swspi_rx();
 	swspi_stop();
-#endif //PAT9125_SWSPI
-#ifdef PAT9125_SWI2C
+#elif defined(PAT9125_SWI2C)
 	if (!swi2c_readByte_A8(PAT9125_I2C_ADDR, addr, &data)) //NO ACK error
-	{
-		pat9125_PID1 = 0xff;
-		pat9125_PID2 = 0xff;
-		return 0;
-	}
-#endif //PAT9125_SWI2C
+        goto error;
+#elif defined(PAT9125_I2C)
+	if (twi_r8(PAT9125_I2C_ADDR,addr,&data))
+        goto error;
+#endif
 	return data;
+
+ error:
+    pat9125_PID1 = 0xff;
+    pat9125_PID2 = 0xff;
+    return 0;
 }
 
 void pat9125_wr_reg(uint8_t addr, uint8_t data)
 {
-#ifdef PAT9125_SWSPI
+#if defined(PAT9125_SWSPI)
 	swspi_start();
 	swspi_tx(addr | 0x80);
 	swspi_tx(data);
 	swspi_stop();
-#endif //PAT9125_SWSPI
-#ifdef PAT9125_SWI2C
+#elif defined(PAT9125_SWI2C)
 	if (!swi2c_writeByte_A8(PAT9125_I2C_ADDR, addr, &data)) //NO ACK error
-	{
-		pat9125_PID1 = 0xff;
-		pat9125_PID2 = 0xff;
-		return;
-	}
-#endif //PAT9125_SWI2C
+        goto error;
+#elif defined(PAT9125_I2C)
+	if (twi_w8(PAT9125_I2C_ADDR,addr,data))
+        goto error;
+#endif
+    return;
+
+ error:
+    pat9125_PID1 = 0xff;
+    pat9125_PID2 = 0xff;
+    return;
 }
 
 uint8_t pat9125_wr_reg_verify(uint8_t addr, uint8_t data)

Firmware/pat9125.h

@@ -18,6 +18,7 @@ extern int16_t pat9125_y;
 extern uint8_t pat9125_b;
 extern uint8_t pat9125_s;
 
+extern uint8_t pat9125_probe(void);     // Return non-zero if PAT9125 can be trivially detected
 extern uint8_t pat9125_init(void);
 extern uint8_t pat9125_update(void);    // update all sensor data
 extern uint8_t pat9125_update_y(void);  // update _y only

Firmware/pins.h

@@ -25,6 +25,11 @@
 #error Unknown MOTHERBOARD value in configuration.h
 #endif
 
+#if !defined(SDA_PIN) && (defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__))
+#define SDA_PIN 20
+#define SCL_PIN 21
+#endif
+
 //List of pins which to ignore when asked to change by gcode, 0 and 1 are RX and TX, do not mess with those!
 #define _E0_PINS E0_STEP_PIN, E0_DIR_PIN, E0_ENABLE_PIN, HEATER_0_PIN,
 #if EXTRUDERS > 1

Firmware/pins_Einsy_1_0.h

@@ -18,12 +18,6 @@
 #define W25X20CL                 // external 256kB flash
 #define BOOTAPP                  // bootloader support
 
-
-#define SWI2C_SDA      20 //SDA on P3
-#define SWI2C_SCL      21 //SCL on P3
-
-
-
 #define X_TMC2130_CS           41
 #define X_TMC2130_DIAG         64 // !!! changed from 40 (EINY03)
 #define X_STEP_PIN             37

Firmware/pins_Rambo_1_3.h

@@ -11,9 +11,6 @@
 
 #define PINDA_THERMISTOR
 
-#define SWI2C_SDA      20 //SDA on P3
-#define SWI2C_SCL      21 //SCL on P3
-
 #ifdef MICROMETER_LOGGING
 #define D_DATACLOCK		24	//Y_MAX (green)
 #define D_DATA			30	//X_MAX (blue)

Firmware/planner.cpp

@@ -1082,7 +1082,8 @@ Having the real displacement of the head, we can calculate the total movement le
   }
   else
   {
-    block->acceleration_st = ceil(cs.acceleration * steps_per_mm); // convert to: acceleration steps/sec^2
+    float acceleration = (block->steps_e.wide == 0? cs.travel_acceleration: cs.acceleration);
+    block->acceleration_st = ceil(acceleration * steps_per_mm); // convert to: acceleration steps/sec^2
 
     #ifdef LIN_ADVANCE
     /**

Firmware/sm4.c

@@ -129,11 +129,15 @@ void sm4_set_dir_bits(uint8_t dir_bits)
 void sm4_do_step(uint8_t axes_mask)
 {
 #if ((MOTHERBOARD == BOARD_RAMBO_MINI_1_0) || (MOTHERBOARD == BOARD_RAMBO_MINI_1_3) || (MOTHERBOARD == BOARD_EINSY_1_0a))
+#ifdef TMC2130_DEDGE_STEPPING
+	PINC = (axes_mask & 0x0f); // toggle step signals by mask
+#else
     register uint8_t portC = PORTC & 0xf0;
 	PORTC = portC | (axes_mask & 0x0f); //set step signals by mask
 	asm("nop");
 	PORTC = portC; //set step signals to zero
 	asm("nop");
+#endif
 #endif //((MOTHERBOARD == BOARD_RAMBO_MINI_1_0) || (MOTHERBOARD == BOARD_RAMBO_MINI_1_3) || (MOTHERBOARD == BOARD_EINSY_1_0a))
 }
 

Firmware/stepper.cpp

@@ -48,6 +48,62 @@ int fsensor_counter; //counter for e-steps
 uint16_t SP_min = 0x21FF;
 #endif //DEBUG_STACK_MONITOR
 
+
+/*
+ * Stepping macros
+ */
+#define _STEP_PIN_X_AXIS X_STEP_PIN
+#define _STEP_PIN_Y_AXIS Y_STEP_PIN
+#define _STEP_PIN_Z_AXIS Z_STEP_PIN
+#define _STEP_PIN_E_AXIS E0_STEP_PIN
+
+#ifdef DEBUG_XSTEP_DUP_PIN
+#define _STEP_PIN_X_DUP_AXIS DEBUG_XSTEP_DUP_PIN
+#endif
+#ifdef DEBUG_YSTEP_DUP_PIN
+#define _STEP_PIN_Y_DUP_AXIS DEBUG_YSTEP_DUP_PIN
+#endif
+#ifdef Y_DUAL_STEPPER_DRIVERS
+#error Y_DUAL_STEPPER_DRIVERS not fully implemented
+#define _STEP_PIN_Y2_AXIS Y2_STEP_PIN
+#endif
+#ifdef Z_DUAL_STEPPER_DRIVERS
+#error Z_DUAL_STEPPER_DRIVERS not fully implemented
+#define _STEP_PIN_Z2_AXIS Z2_STEP_PIN
+#endif
+
+#ifdef TMC2130
+#define STEPPER_MINIMUM_PULSE TMC2130_MINIMUM_PULSE
+#define STEPPER_SET_DIR_DELAY TMC2130_SET_DIR_DELAY
+#define STEPPER_MINIMUM_DELAY TMC2130_MINIMUM_DELAY
+#else
+#define STEPPER_MINIMUM_PULSE 2
+#define STEPPER_SET_DIR_DELAY 100
+#define STEPPER_MINIMUM_DELAY delayMicroseconds(STEPPER_MINIMUM_PULSE)
+#endif
+
+#ifdef TMC2130_DEDGE_STEPPING
+static_assert(TMC2130_MINIMUM_DELAY 1, // this will fail to compile when non-empty
+              "DEDGE implies/requires an empty TMC2130_MINIMUM_DELAY");
+#define STEP_NC_HI(axis) TOGGLE(_STEP_PIN_##axis)
+#define STEP_NC_LO(axis) //NOP
+#else
+
+#define _STEP_HI_X_AXIS  !INVERT_X_STEP_PIN
+#define _STEP_LO_X_AXIS  INVERT_X_STEP_PIN
+#define _STEP_HI_Y_AXIS  !INVERT_Y_STEP_PIN
+#define _STEP_LO_Y_AXIS  INVERT_Y_STEP_PIN
+#define _STEP_HI_Z_AXIS  !INVERT_Z_STEP_PIN
+#define _STEP_LO_Z_AXIS  INVERT_Z_STEP_PIN
+#define _STEP_HI_E_AXIS  !INVERT_E_STEP_PIN
+#define _STEP_LO_E_AXIS  INVERT_E_STEP_PIN
+
+#define STEP_NC_HI(axis) WRITE_NC(_STEP_PIN_##axis, _STEP_HI_##axis)
+#define STEP_NC_LO(axis) WRITE_NC(_STEP_PIN_##axis, _STEP_LO_##axis)
+
+#endif //TMC2130_DEDGE_STEPPING
+
+
 //===========================================================================
 //=============================public variables  ============================
 //===========================================================================
@@ -296,13 +352,13 @@ FORCE_INLINE void stepper_next_block()
 				WRITE_NC(X_DIR_PIN, INVERT_X_DIR);
 			else
 				WRITE_NC(X_DIR_PIN, !INVERT_X_DIR);
-			_delay_us(100);
+			delayMicroseconds(STEPPER_SET_DIR_DELAY);
 			for (uint8_t i = 0; i < st_backlash_x; i++)
 			{
-				WRITE_NC(X_STEP_PIN, !INVERT_X_STEP_PIN);
-				_delay_us(100);
-				WRITE_NC(X_STEP_PIN, INVERT_X_STEP_PIN);
-				_delay_us(900);
+				STEP_NC_HI(X_AXIS);
+				STEPPER_MINIMUM_DELAY;
+				STEP_NC_LO(X_AXIS);
+				_delay_us(900); // hard-coded jerk! *bad*
 			}
 		}
 		last_dir_bits &= ~1;
@@ -319,13 +375,13 @@ FORCE_INLINE void stepper_next_block()
 				WRITE_NC(Y_DIR_PIN, INVERT_Y_DIR);
 			else
 				WRITE_NC(Y_DIR_PIN, !INVERT_Y_DIR);
-			_delay_us(100);
+			delayMicroseconds(STEPPER_SET_DIR_DELAY);
 			for (uint8_t i = 0; i < st_backlash_y; i++)
 			{
-				WRITE_NC(Y_STEP_PIN, !INVERT_Y_STEP_PIN);
-				_delay_us(100);
-				WRITE_NC(Y_STEP_PIN, INVERT_Y_STEP_PIN);
-				_delay_us(900);
+				STEP_NC_HI(Y_AXIS);
+				STEPPER_MINIMUM_DELAY;
+				STEP_NC_LO(Y_AXIS);
+				_delay_us(900); // hard-coded jerk! *bad*
 			}
 		}
 		last_dir_bits &= ~2;
@@ -603,44 +659,44 @@ FORCE_INLINE void stepper_tick_lowres()
     // Step in X axis
     counter_x.lo += current_block->steps_x.lo;
     if (counter_x.lo > 0) {
-      WRITE_NC(X_STEP_PIN, !INVERT_X_STEP_PIN);
+      STEP_NC_HI(X_AXIS);
 #ifdef DEBUG_XSTEP_DUP_PIN
-      WRITE_NC(DEBUG_XSTEP_DUP_PIN,!INVERT_X_STEP_PIN);
+      STEP_NC_HI(X_DUP_AXIS);
 #endif //DEBUG_XSTEP_DUP_PIN
       counter_x.lo -= current_block->step_event_count.lo;
       count_position[X_AXIS]+=count_direction[X_AXIS];
-      WRITE_NC(X_STEP_PIN, INVERT_X_STEP_PIN);
+      STEP_NC_LO(X_AXIS);
 #ifdef DEBUG_XSTEP_DUP_PIN
-      WRITE_NC(DEBUG_XSTEP_DUP_PIN,INVERT_X_STEP_PIN);
+      STEP_NC_LO(X_DUP_AXIS);
 #endif //DEBUG_XSTEP_DUP_PIN
     }
     // Step in Y axis
     counter_y.lo += current_block->steps_y.lo;
     if (counter_y.lo > 0) {
-      WRITE_NC(Y_STEP_PIN, !INVERT_Y_STEP_PIN);
+      STEP_NC_HI(Y_AXIS);
 #ifdef DEBUG_YSTEP_DUP_PIN
-      WRITE_NC(DEBUG_YSTEP_DUP_PIN,!INVERT_Y_STEP_PIN);
+      STEP_NC_HI(Y_DUP_AXIS);
 #endif //DEBUG_YSTEP_DUP_PIN
       counter_y.lo -= current_block->step_event_count.lo;
       count_position[Y_AXIS]+=count_direction[Y_AXIS];
-      WRITE_NC(Y_STEP_PIN, INVERT_Y_STEP_PIN);
+      STEP_NC_LO(Y_AXIS);
 #ifdef DEBUG_YSTEP_DUP_PIN
-      WRITE_NC(DEBUG_YSTEP_DUP_PIN,INVERT_Y_STEP_PIN);
+      STEP_NC_LO(Y_DUP_AXIS);
 #endif //DEBUG_YSTEP_DUP_PIN    
     }
     // Step in Z axis
     counter_z.lo += current_block->steps_z.lo;
     if (counter_z.lo > 0) {
-      WRITE_NC(Z_STEP_PIN, !INVERT_Z_STEP_PIN);
+      STEP_NC_HI(Z_AXIS);
       counter_z.lo -= current_block->step_event_count.lo;
       count_position[Z_AXIS]+=count_direction[Z_AXIS];
-      WRITE_NC(Z_STEP_PIN, INVERT_Z_STEP_PIN);
+      STEP_NC_LO(Z_AXIS);
     }
     // Step in E axis
     counter_e.lo += current_block->steps_e.lo;
     if (counter_e.lo > 0) {
 #ifndef LIN_ADVANCE
-      WRITE(E0_STEP_PIN, !INVERT_E_STEP_PIN);
+      STEP_NC_HI(E_AXIS);
 #endif /* LIN_ADVANCE */
       counter_e.lo -= current_block->step_event_count.lo;
       count_position[E_AXIS] += count_direction[E_AXIS];
@@ -650,7 +706,7 @@ FORCE_INLINE void stepper_tick_lowres()
 	#ifdef FILAMENT_SENSOR
 	  fsensor_counter += count_direction[E_AXIS];
 	#endif //FILAMENT_SENSOR
-      WRITE(E0_STEP_PIN, INVERT_E_STEP_PIN);
+      STEP_NC_LO(E_AXIS);
 #endif
     }
     if(++ step_events_completed.lo >= current_block->step_event_count.lo)
@@ -665,44 +721,44 @@ FORCE_INLINE void stepper_tick_highres()
     // Step in X axis
     counter_x.wide += current_block->steps_x.wide;
     if (counter_x.wide > 0) {
-      WRITE_NC(X_STEP_PIN, !INVERT_X_STEP_PIN);
+      STEP_NC_HI(X_AXIS);
 #ifdef DEBUG_XSTEP_DUP_PIN
-      WRITE_NC(DEBUG_XSTEP_DUP_PIN,!INVERT_X_STEP_PIN);
+      STEP_NC_HI(X_DUP_AXIS);
 #endif //DEBUG_XSTEP_DUP_PIN
       counter_x.wide -= current_block->step_event_count.wide;
       count_position[X_AXIS]+=count_direction[X_AXIS];   
-      WRITE_NC(X_STEP_PIN, INVERT_X_STEP_PIN);
+      STEP_NC_LO(X_AXIS);
 #ifdef DEBUG_XSTEP_DUP_PIN
-      WRITE_NC(DEBUG_XSTEP_DUP_PIN,INVERT_X_STEP_PIN);
+      STEP_NC_LO(X_DUP_AXIS);
 #endif //DEBUG_XSTEP_DUP_PIN
     }
     // Step in Y axis
     counter_y.wide += current_block->steps_y.wide;
     if (counter_y.wide > 0) {
-      WRITE_NC(Y_STEP_PIN, !INVERT_Y_STEP_PIN);
+      STEP_NC_HI(Y_AXIS);
 #ifdef DEBUG_YSTEP_DUP_PIN
-      WRITE_NC(DEBUG_YSTEP_DUP_PIN,!INVERT_Y_STEP_PIN);
+      STEP_NC_HI(Y_DUP_AXIS);
 #endif //DEBUG_YSTEP_DUP_PIN
       counter_y.wide -= current_block->step_event_count.wide;
       count_position[Y_AXIS]+=count_direction[Y_AXIS];
-      WRITE_NC(Y_STEP_PIN, INVERT_Y_STEP_PIN);
+      STEP_NC_LO(Y_AXIS);
 #ifdef DEBUG_YSTEP_DUP_PIN
-      WRITE_NC(DEBUG_YSTEP_DUP_PIN,INVERT_Y_STEP_PIN);
+      STEP_NC_LO(Y_DUP_AXIS);
 #endif //DEBUG_YSTEP_DUP_PIN    
     }
     // Step in Z axis
     counter_z.wide += current_block->steps_z.wide;
     if (counter_z.wide > 0) {
-      WRITE_NC(Z_STEP_PIN, !INVERT_Z_STEP_PIN);
+      STEP_NC_HI(Z_AXIS);
       counter_z.wide -= current_block->step_event_count.wide;
       count_position[Z_AXIS]+=count_direction[Z_AXIS];
-      WRITE_NC(Z_STEP_PIN, INVERT_Z_STEP_PIN);
+      STEP_NC_LO(Z_AXIS);
     }
     // Step in E axis
     counter_e.wide += current_block->steps_e.wide;
     if (counter_e.wide > 0) {
 #ifndef LIN_ADVANCE
-      WRITE(E0_STEP_PIN, !INVERT_E_STEP_PIN);
+      STEP_NC_HI(E_AXIS);
 #endif /* LIN_ADVANCE */
       counter_e.wide -= current_block->step_event_count.wide;
       count_position[E_AXIS]+=count_direction[E_AXIS];
@@ -712,7 +768,7 @@ FORCE_INLINE void stepper_tick_highres()
     #ifdef FILAMENT_SENSOR
       fsensor_counter += count_direction[E_AXIS];
     #endif //FILAMENT_SENSOR
-      WRITE(E0_STEP_PIN, INVERT_E_STEP_PIN);
+      STEP_NC_LO(E_AXIS);
 #endif
     }
     if(++ step_events_completed.wide >= current_block->step_event_count.wide)
@@ -1014,9 +1070,9 @@ FORCE_INLINE void advance_isr_scheduler() {
         bool rev = (e_steps < 0);
         do
         {
-            WRITE_NC(E0_STEP_PIN, !INVERT_E_STEP_PIN);
+            STEP_NC_HI(E_AXIS);
             e_steps += (rev? 1: -1);
-            WRITE_NC(E0_STEP_PIN, INVERT_E_STEP_PIN);
+            STEP_NC_LO(E_AXIS);
 #if defined(FILAMENT_SENSOR) && defined(PAT9125)
             fsensor_counter += (rev? -1: 1);
 #endif
@@ -1389,89 +1445,106 @@ void quickStop()
 #ifdef BABYSTEPPING
 void babystep(const uint8_t axis,const bool direction)
 {
-  //MUST ONLY BE CALLED BY A ISR, it depends on that no other ISR interrupts this
-    //store initial pin states
-  switch(axis)
-  {
-  case X_AXIS:
-  {
-    enable_x();   
-    uint8_t old_x_dir_pin= READ(X_DIR_PIN);  //if dualzstepper, both point to same direction.
-   
-    //setup new step
-    WRITE(X_DIR_PIN,(INVERT_X_DIR)^direction);
-    
-    //perform step 
-    WRITE(X_STEP_PIN, !INVERT_X_STEP_PIN); 
+    // MUST ONLY BE CALLED BY A ISR as stepper pins are manipulated directly.
+    // note: when switching direction no delay is inserted at the end when the
+    //       original is restored. We assume enough time passes as the function
+    //       returns and the stepper is manipulated again (to avoid dead times)
+    switch(axis)
+    {
+    case X_AXIS:
+    {
+        enable_x();
+        uint8_t old_x_dir_pin = READ(X_DIR_PIN);  //if dualzstepper, both point to same direction.
+        uint8_t new_x_dir_pin = (INVERT_X_DIR)^direction;
+
+        //setup new step
+        if (new_x_dir_pin != old_x_dir_pin) {
+            WRITE_NC(X_DIR_PIN, new_x_dir_pin);
+            delayMicroseconds(STEPPER_SET_DIR_DELAY);
+        }
+
+        //perform step
+        STEP_NC_HI(X_AXIS);
 #ifdef DEBUG_XSTEP_DUP_PIN
-    WRITE(DEBUG_XSTEP_DUP_PIN,!INVERT_X_STEP_PIN);
-#endif //DEBUG_XSTEP_DUP_PIN
-    delayMicroseconds(1);
-    WRITE(X_STEP_PIN, INVERT_X_STEP_PIN);
+        STEP_NC_HI(X_DUP_AXIS);
+#endif
+        STEPPER_MINIMUM_DELAY;
+        STEP_NC_LO(X_AXIS);
 #ifdef DEBUG_XSTEP_DUP_PIN
-    WRITE(DEBUG_XSTEP_DUP_PIN,INVERT_X_STEP_PIN);
-#endif //DEBUG_XSTEP_DUP_PIN
+        STEP_NC_LO(X_DUP_AXIS);
+#endif
 
-    //get old pin state back.
-    WRITE(X_DIR_PIN,old_x_dir_pin);
-  }
-  break;
-  case Y_AXIS:
-  {
-    enable_y();   
-    uint8_t old_y_dir_pin= READ(Y_DIR_PIN);  //if dualzstepper, both point to same direction.
-   
-    //setup new step
-    WRITE(Y_DIR_PIN,(INVERT_Y_DIR)^direction);
-    
-    //perform step 
-    WRITE(Y_STEP_PIN, !INVERT_Y_STEP_PIN); 
+        //get old pin state back.
+        WRITE_NC(X_DIR_PIN, old_x_dir_pin);
+    }
+    break;
+
+    case Y_AXIS:
+    {
+        enable_y();
+        uint8_t old_y_dir_pin = READ(Y_DIR_PIN);  //if dualzstepper, both point to same direction.
+        uint8_t new_y_dir_pin = (INVERT_Y_DIR)^direction;
+
+        //setup new step
+        if (new_y_dir_pin != old_y_dir_pin) {
+            WRITE_NC(Y_DIR_PIN, new_y_dir_pin);
+            delayMicroseconds(STEPPER_SET_DIR_DELAY);
+        }
+
+        //perform step
+        STEP_NC_HI(Y_AXIS);
 #ifdef DEBUG_YSTEP_DUP_PIN
-    WRITE(DEBUG_YSTEP_DUP_PIN,!INVERT_Y_STEP_PIN);
-#endif //DEBUG_YSTEP_DUP_PIN
-    delayMicroseconds(1);
-    WRITE(Y_STEP_PIN, INVERT_Y_STEP_PIN);
+        STEP_NC_HI(Y_DUP_AXIS);
+#endif
+        STEPPER_MINIMUM_DELAY;
+        STEP_NC_LO(Y_AXIS);
 #ifdef DEBUG_YSTEP_DUP_PIN
-    WRITE(DEBUG_YSTEP_DUP_PIN,INVERT_Y_STEP_PIN);
-#endif //DEBUG_YSTEP_DUP_PIN
+        STEP_NC_LO(Y_DUP_AXIS);
+#endif
 
-    //get old pin state back.
-    WRITE(Y_DIR_PIN,old_y_dir_pin);
+        //get old pin state back.
+        WRITE_NC(Y_DIR_PIN, old_y_dir_pin);
+    }
+    break;
 
-  }
-  break;
- 
-  case Z_AXIS:
-  {
-    enable_z();
-    uint8_t old_z_dir_pin= READ(Z_DIR_PIN);  //if dualzstepper, both point to same direction.
-    //setup new step
-    WRITE(Z_DIR_PIN,(INVERT_Z_DIR)^direction^BABYSTEP_INVERT_Z);
-    #ifdef Z_DUAL_STEPPER_DRIVERS
-      WRITE(Z2_DIR_PIN,(INVERT_Z_DIR)^direction^BABYSTEP_INVERT_Z);
-    #endif
-    //perform step 
-    WRITE(Z_STEP_PIN, !INVERT_Z_STEP_PIN); 
-    #ifdef Z_DUAL_STEPPER_DRIVERS
-      WRITE(Z2_STEP_PIN, !INVERT_Z_STEP_PIN);
-    #endif
-    delayMicroseconds(1);
-    WRITE(Z_STEP_PIN, INVERT_Z_STEP_PIN);
-    #ifdef Z_DUAL_STEPPER_DRIVERS
-      WRITE(Z2_STEP_PIN, INVERT_Z_STEP_PIN);
-    #endif
+    case Z_AXIS:
+    {
+        enable_z();
+        uint8_t old_z_dir_pin = READ(Z_DIR_PIN);  //if dualzstepper, both point to same direction.
+        uint8_t new_z_dir_pin = (INVERT_Z_DIR)^direction^BABYSTEP_INVERT_Z;
+
+        //setup new step
+        if (new_z_dir_pin != old_z_dir_pin) {
+            WRITE_NC(Z_DIR_PIN, new_z_dir_pin);
+#ifdef Z_DUAL_STEPPER_DRIVERS
+            WRITE_NC(Z2_DIR_PIN, new_z_dir_pin);
+#endif
+            delayMicroseconds(STEPPER_SET_DIR_DELAY);
+        }
 
-    //get old pin state back.
-    WRITE(Z_DIR_PIN,old_z_dir_pin);
-    #ifdef Z_DUAL_STEPPER_DRIVERS
-      WRITE(Z2_DIR_PIN,old_z_dir_pin);
-    #endif
+        //perform step
+        STEP_NC_HI(Z_AXIS);
+#ifdef Z_DUAL_STEPPER_DRIVERS
+        STEP_NC_HI(Z2_AXIS);
+#endif
+        STEPPER_MINIMUM_DELAY;
+        STEP_NC_LO(Z_AXIS);
+#ifdef Z_DUAL_STEPPER_DRIVERS
+        STEP_NC_LO(Z2_AXIS);
+#endif
 
-  }
-  break;
- 
-  default:    break;
-  }
+        //get old pin state back.
+        if (new_z_dir_pin != old_z_dir_pin) {
+            WRITE_NC(Z_DIR_PIN, old_z_dir_pin);
+#ifdef Z_DUAL_STEPPER_DRIVERS
+            WRITE_NC(Z2_DIR_PIN, old_z_dir_pin);
+#endif
+        }
+    }
+    break;
+
+    default: break;
+    }
 }
 #endif //BABYSTEPPING
 

Firmware/swi2c.c

@@ -8,6 +8,7 @@
 #include "pins.h"
 #include "fastio.h"
 
+#ifdef SWI2C_SCL
 
 #define SWI2C_RMSK   0x01 //read mask (bit0 = 1)
 #define SWI2C_WMSK   0x00 //write mask (bit0 = 0)
@@ -187,3 +188,5 @@ uint8_t swi2c_writeByte_A16(uint8_t dev_addr, unsigned short addr, uint8_t* pbyt
 }
 
 #endif //SWI2C_A16
+
+#endif //SWI2C_SCL

Firmware/temperature.cpp

@@ -1124,7 +1124,10 @@ void tp_init()
 
   adc_init();
 
-  timer0_init();
+  timer0_init(); //enables the heatbed timer.
+
+  // timer2 already enabled earlier in the code
+  // now enable the COMPB temperature interrupt
   OCR2B = 128;
   TIMSK2 |= (1<<OCIE2B);
   

Firmware/timer02.c

@@ -9,13 +9,11 @@
 
 #include <avr/io.h>
 #include <avr/interrupt.h>
+#include "macros.h"
 
 void timer0_init(void)
 {
-	//save sreg
-	uint8_t _sreg = SREG;
-	//disable interrupts for sure
-	cli();
+	CRITICAL_SECTION_START;
 
 	TCNT0  = 0;
 	// Fast PWM duty (0-255). 
@@ -25,7 +23,14 @@ void timer0_init(void)
 	TCCR0A = (1 << WGM01) | (1 << WGM00) | (1 << COM0B1) | (1 << COM0B0);  
 	TCCR0B = (1 << CS01);    // CLK/8 prescaling
 	TIMSK0 |= (1 << TOIE0);  // enable timer overflow interrupt
-	
+
+	CRITICAL_SECTION_END;
+}
+
+void timer2_init(void)
+{
+	CRITICAL_SECTION_START;
+
 	// Everything, that used to be on timer0 was moved to timer2 (delay, beeping, millis etc.)
 	//setup timer2
 	TCCR2A = 0x00; //COM_A-B=00, WGM_0-1=00
@@ -36,9 +41,8 @@ void timer0_init(void)
 	TIMSK2 &= ~(1<<OCIE2B);
 	//set timer2 OCR registers (OCRB interrupt generated 0.5ms after OVF interrupt)
 	OCR2A = 0;
-	OCR2B = 128;
-	//restore sreg (enable interrupts)
-	SREG = _sreg;
+
+	CRITICAL_SECTION_END;
 }
 
 

Firmware/timer02.h

@@ -14,6 +14,9 @@ extern "C" {
 ///! Initializes TIMER0 for fast PWM mode-driven bed heating
 extern void timer0_init(void);
 
+///! Initializes TIMER2 for time keeping and temperature interrupt
+extern void timer2_init(void);
+
 ///! Reimplemented original millis() using timer2
 extern unsigned long millis2(void);
 

Firmware/tmc2130.cpp

@@ -428,6 +428,11 @@ void tmc2130_check_overtemp()
 void tmc2130_setup_chopper(uint8_t axis, uint8_t mres, uint8_t current_h, uint8_t current_r)
 {
 	uint8_t intpol = (mres != 0); // intpol to 256 only if microsteps aren't 256
+#ifdef TMC2130_DEDGE_STEPPING
+	uint8_t dedge = 1;
+#else
+	uint8_t dedge = 0;
+#endif
 	uint8_t toff = tmc2130_chopper_config[axis].toff; // toff = 3 (fchop = 27.778kHz)
 	uint8_t hstrt = tmc2130_chopper_config[axis].hstr; //initial 4, modified to 5
 	uint8_t hend = tmc2130_chopper_config[axis].hend; //original value = 1
@@ -437,6 +442,9 @@ void tmc2130_setup_chopper(uint8_t axis, uint8_t mres, uint8_t current_h, uint8_
 	uint8_t tbl = tmc2130_chopper_config[axis].tbl; //blanking time, original value = 2
 	if (axis == E_AXIS)
 	{
+#if defined(TMC2130_INTPOL_E) && (TMC2130_INTPOL_E == 0)
+        intpol = 0;
+#endif
 #ifdef TMC2130_CNSTOFF_E
 		// fd = 0 (slow decay only)
 		hstrt = 0; //fd0..2
@@ -447,16 +455,26 @@ void tmc2130_setup_chopper(uint8_t axis, uint8_t mres, uint8_t current_h, uint8_
 //		toff = TMC2130_TOFF_E; // toff = 3-5
 //		rndtf = 1;
 	}
+#if defined(TMC2130_INTPOL_XY) && (TMC2130_INTPOL_XY == 0)
+    else if (axis == X_AXIS || axis == Y_AXIS) {
+        intpol = 0;
+    }
+#endif
+#if defined(TMC2130_INTPOL_Z) && (TMC2130_INTPOL_Z == 0)
+    else if (axis == Z_AXIS) {
+        intpol = 0;
+    }
+#endif
 //	DBG(_n("tmc2130_setup_chopper(axis=%hhd, mres=%hhd, curh=%hhd, curr=%hhd\n"), axis, mres, current_h, current_r);
 //	DBG(_n(" toff=%hhd, hstr=%hhd, hend=%hhd, tbl=%hhd\n"), toff, hstrt, hend, tbl);
 	if (current_r <= 31)
 	{
-		tmc2130_wr_CHOPCONF(axis, toff, hstrt, hend, fd3, 0, rndtf, chm, tbl, 1, 0, 0, 0, mres, intpol, 0, 0);
+		tmc2130_wr_CHOPCONF(axis, toff, hstrt, hend, fd3, 0, rndtf, chm, tbl, 1, 0, 0, 0, mres, intpol, dedge, 0);
 		tmc2130_wr(axis, TMC2130_REG_IHOLD_IRUN, 0x000f0000 | ((current_r & 0x1f) << 8) | (current_h & 0x1f));
 	}
 	else
 	{
-		tmc2130_wr_CHOPCONF(axis, toff, hstrt, hend, fd3, 0, rndtf, chm, tbl, 0, 0, 0, 0, mres, intpol, 0, 0);
+		tmc2130_wr_CHOPCONF(axis, toff, hstrt, hend, fd3, 0, rndtf, chm, tbl, 0, 0, 0, 0, mres, intpol, dedge, 0);
 		tmc2130_wr(axis, TMC2130_REG_IHOLD_IRUN, 0x000f0000 | (((current_r >> 1) & 0x1f) << 8) | ((current_h >> 1) & 0x1f));
 	}
 }
@@ -678,25 +696,32 @@ static uint8_t tmc2130_rx(uint8_t axis, uint8_t addr, uint32_t* rval)
 #define _GET_PWR_Z      (READ(Z_ENABLE_PIN) == Z_ENABLE_ON)
 #define _GET_PWR_E      (READ(E0_ENABLE_PIN) == E_ENABLE_ON)
 
-#define _SET_PWR_X(ena) { WRITE(X_ENABLE_PIN, ena?X_ENABLE_ON:!X_ENABLE_ON); asm("nop"); }
-#define _SET_PWR_Y(ena) { WRITE(Y_ENABLE_PIN, ena?Y_ENABLE_ON:!Y_ENABLE_ON); asm("nop"); }
-#define _SET_PWR_Z(ena) { WRITE(Z_ENABLE_PIN, ena?Z_ENABLE_ON:!Z_ENABLE_ON); asm("nop"); }
-#define _SET_PWR_E(ena) { WRITE(E0_ENABLE_PIN, ena?E_ENABLE_ON:!E_ENABLE_ON); asm("nop"); }
+#define _SET_PWR_X(ena) WRITE(X_ENABLE_PIN, ena?X_ENABLE_ON:!X_ENABLE_ON)
+#define _SET_PWR_Y(ena) WRITE(Y_ENABLE_PIN, ena?Y_ENABLE_ON:!Y_ENABLE_ON)
+#define _SET_PWR_Z(ena) WRITE(Z_ENABLE_PIN, ena?Z_ENABLE_ON:!Z_ENABLE_ON)
+#define _SET_PWR_E(ena) WRITE(E0_ENABLE_PIN, ena?E_ENABLE_ON:!E_ENABLE_ON)
 
 #define _GET_DIR_X      (READ(X_DIR_PIN) == INVERT_X_DIR)
 #define _GET_DIR_Y      (READ(Y_DIR_PIN) == INVERT_Y_DIR)
 #define _GET_DIR_Z      (READ(Z_DIR_PIN) == INVERT_Z_DIR)
 #define _GET_DIR_E      (READ(E0_DIR_PIN) == INVERT_E0_DIR)
 
-#define _SET_DIR_X(dir) { WRITE(X_DIR_PIN, dir?INVERT_X_DIR:!INVERT_X_DIR); asm("nop"); }
-#define _SET_DIR_Y(dir) { WRITE(Y_DIR_PIN, dir?INVERT_Y_DIR:!INVERT_Y_DIR); asm("nop"); }
-#define _SET_DIR_Z(dir) { WRITE(Z_DIR_PIN, dir?INVERT_Z_DIR:!INVERT_Z_DIR); asm("nop"); }
-#define _SET_DIR_E(dir) { WRITE(E0_DIR_PIN, dir?INVERT_E0_DIR:!INVERT_E0_DIR); asm("nop"); }
+#define _SET_DIR_X(dir) WRITE(X_DIR_PIN, dir?INVERT_X_DIR:!INVERT_X_DIR)
+#define _SET_DIR_Y(dir) WRITE(Y_DIR_PIN, dir?INVERT_Y_DIR:!INVERT_Y_DIR)
+#define _SET_DIR_Z(dir) WRITE(Z_DIR_PIN, dir?INVERT_Z_DIR:!INVERT_Z_DIR)
+#define _SET_DIR_E(dir) WRITE(E0_DIR_PIN, dir?INVERT_E0_DIR:!INVERT_E0_DIR)
 
-#define _DO_STEP_X      { WRITE(X_STEP_PIN, !INVERT_X_STEP_PIN); asm("nop"); WRITE(X_STEP_PIN, INVERT_X_STEP_PIN); asm("nop"); }
-#define _DO_STEP_Y      { WRITE(Y_STEP_PIN, !INVERT_Y_STEP_PIN); asm("nop"); WRITE(Y_STEP_PIN, INVERT_Y_STEP_PIN); asm("nop"); }
-#define _DO_STEP_Z      { WRITE(Z_STEP_PIN, !INVERT_Z_STEP_PIN); asm("nop"); WRITE(Z_STEP_PIN, INVERT_Z_STEP_PIN); asm("nop"); }
-#define _DO_STEP_E      { WRITE(E0_STEP_PIN, !INVERT_E_STEP_PIN); asm("nop"); WRITE(E0_STEP_PIN, INVERT_E_STEP_PIN); asm("nop"); }
+#ifdef TMC2130_DEDGE_STEPPING
+#define _DO_STEP_X      TOGGLE(X_STEP_PIN)
+#define _DO_STEP_Y      TOGGLE(Y_STEP_PIN)
+#define _DO_STEP_Z      TOGGLE(Z_STEP_PIN)
+#define _DO_STEP_E      TOGGLE(E0_STEP_PIN)
+#else
+#define _DO_STEP_X      { WRITE(X_STEP_PIN, !INVERT_X_STEP_PIN); TMC2130_MINIMUM_DELAY; WRITE(X_STEP_PIN, INVERT_X_STEP_PIN); }
+#define _DO_STEP_Y      { WRITE(Y_STEP_PIN, !INVERT_Y_STEP_PIN); TMC2130_MINIMUM_DELAY; WRITE(Y_STEP_PIN, INVERT_Y_STEP_PIN); }
+#define _DO_STEP_Z      { WRITE(Z_STEP_PIN, !INVERT_Z_STEP_PIN); TMC2130_MINIMUM_DELAY; WRITE(Z_STEP_PIN, INVERT_Z_STEP_PIN); }
+#define _DO_STEP_E      { WRITE(E0_STEP_PIN, !INVERT_E_STEP_PIN); TMC2130_MINIMUM_DELAY; WRITE(E0_STEP_PIN, INVERT_E_STEP_PIN); }
+#endif
 
 
 uint16_t tmc2130_get_res(uint8_t axis)
@@ -737,6 +762,7 @@ void tmc2130_set_pwr(uint8_t axis, uint8_t pwr)
 	case Z_AXIS: _SET_PWR_Z(pwr); break;
 	case E_AXIS: _SET_PWR_E(pwr); break;
 	}
+    delayMicroseconds(TMC2130_SET_PWR_DELAY);
 }
 
 uint8_t tmc2130_get_inv(uint8_t axis)
@@ -773,6 +799,7 @@ void tmc2130_set_dir(uint8_t axis, uint8_t dir)
 	case Z_AXIS: _SET_DIR_Z(dir); break;
 	case E_AXIS: _SET_DIR_E(dir); break;
 	}
+    delayMicroseconds(TMC2130_SET_DIR_DELAY);
 }
 
 void tmc2130_do_step(uint8_t axis)
@@ -788,8 +815,8 @@ void tmc2130_do_step(uint8_t axis)
 
 void tmc2130_do_steps(uint8_t axis, uint16_t steps, uint8_t dir, uint16_t delay_us)
 {
-	tmc2130_set_dir(axis, dir);
-	delayMicroseconds(100);
+    if (tmc2130_get_dir(axis) != dir)
+        tmc2130_set_dir(axis, dir);
 	while (steps--)
 	{
 		tmc2130_do_step(axis);
@@ -820,7 +847,6 @@ void tmc2130_goto_step(uint8_t axis, uint8_t step, uint8_t dir, uint16_t delay_u
 		cnt = steps;
 	}
 	tmc2130_set_dir(axis, dir);
-	delayMicroseconds(100);
 	mscnt = tmc2130_rd_MSCNT(axis);
 	while ((cnt--) && ((mscnt >> shift) != step))
 	{

Firmware/tmc2130.h

@@ -29,6 +29,18 @@ extern uint8_t tmc2130_sg_homing_axes_mask;
 #define TMC2130_WAVE_FAC1000_MAX 200
 #define TMC2130_WAVE_FAC1000_STP   1
 
+#define TMC2130_MINIMUM_PULSE 0   // minimum pulse width in uS
+#define TMC2130_SET_DIR_DELAY 20  // minimum delay after setting direction in uS
+#define TMC2130_SET_PWR_DELAY 0   // minimum delay after changing pwr mode in uS
+
+#ifdef TMC2130_DEDGE_STEPPING
+#define TMC2130_MINIMUM_DELAY //NOP
+#elif TMC2130_MINIMUM_PULSE == 0
+#define TMC2130_MINIMUM_DELAY asm("nop")
+#else
+#define TMC2130_MINIMUM_DELAY delayMicroseconds(TMC2130_MINIMUM_PULSE)
+#endif
+
 extern uint8_t tmc2130_home_enabled;
 extern uint8_t tmc2130_home_origin[2];
 extern uint8_t tmc2130_home_bsteps[2];

Firmware/tone04.c

@@ -7,8 +7,6 @@
 
 #ifdef SYSTEM_TIMER_2
 
-#include <avr/io.h>
-#include <avr/interrupt.h>
 #include "pins.h"
 #include "fastio.h"
 #include "macros.h"

Firmware/twi.c

@@ -0,0 +1,137 @@
+/*
+  twi.c - Stripped-down TWI/I2C library
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+  Modified 2012 by Todd Krein (todd@krein.org) to implement repeated starts
+*/
+
+
+#include <math.h>
+#include "config.h"
+#include "fastio.h"
+#include "twi.h"
+
+
+void twi_init(void)
+{
+  // activate internal pullups for twi.
+  WRITE(SDA_PIN, 1);
+  WRITE(SCL_PIN, 1);
+
+  // initialize twi prescaler and bit rate
+  TWSR &= ~(_BV(TWPS0) | _BV(TWPS1));
+  TWBR = ((F_CPU / TWI_FREQ) - 16) / 2;
+
+  /* twi bit rate formula from atmega128 manual pg 204
+  SCL Frequency = CPU Clock Frequency / (16 + (2 * TWBR))
+  note: TWBR should be 10 or higher for master mode
+  It is 72 for a 16mhz Wiring board with 100kHz TWI */
+}
+
+void twi_disable(void)
+{
+  // deactivate internal pullups for twi.
+  WRITE(SDA_PIN, 0);
+  WRITE(SCL_PIN, 0);
+}
+
+
+static void twi_stop()
+{
+  TWCR = _BV(TWEN) | _BV(TWINT) | _BV(TWSTO);
+}
+
+
+static uint8_t twi_wait(uint8_t status)
+{
+  while(!(TWCR & _BV(TWINT)));
+  if(TW_STATUS != status)
+  {
+      twi_stop();
+      return 1;
+  }
+  return 0;
+}
+
+
+static uint8_t twi_start(uint8_t address, uint8_t reg)
+{
+  // send start condition
+  TWCR = _BV(TWEN) | _BV(TWINT) | _BV(TWSTA);
+  if(twi_wait(TW_START))
+      return 1;
+
+  // send address
+  TWDR = TW_WRITE | (address << 1);
+  TWCR = _BV(TWEN) | _BV(TWINT);
+  if(twi_wait(TW_MT_SLA_ACK))
+      return 2;
+
+  // send register
+  TWDR = reg;
+  TWCR = _BV(TWEN) | _BV(TWINT);
+  if(twi_wait(TW_MT_DATA_ACK))
+      return 3;
+
+  return 0;
+}
+
+
+uint8_t twi_r8(uint8_t address, uint8_t reg, uint8_t* data)
+{
+  if(twi_start(address, reg))
+      return 1;
+
+  // repeat start
+  TWCR = _BV(TWEN) | _BV(TWINT) | _BV(TWSTA);
+  if(twi_wait(TW_REP_START))
+      return 2;
+
+  // start receiving
+  TWDR = TW_READ | (address << 1);
+  TWCR = _BV(TWEN) | _BV(TWINT);
+  if(twi_wait(TW_MR_SLA_ACK))
+      return 3;
+
+  // receive data
+  TWCR = _BV(TWEN) | _BV(TWINT);
+  if(twi_wait(TW_MR_DATA_NACK))
+      return 4;
+
+  *data = TWDR;
+
+  // send stop
+  twi_stop();
+  return 0;
+}
+
+
+uint8_t twi_w8(uint8_t address, uint8_t reg, uint8_t data)
+{
+  if(twi_start(address, reg))
+      return 1;
+
+  // send data
+  TWDR = data;
+  TWCR = _BV(TWEN) | _BV(TWINT);
+  if(twi_wait(TW_MT_DATA_ACK))
+      return 2;
+
+  // send stop
+  twi_stop();
+  return 0;
+}

Firmware/twi.h

@@ -0,0 +1,63 @@
+/*
+  twi.h - Stripped-down TWI/I2C library
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#pragma once
+
+#include <inttypes.h>
+#include <compat/twi.h>
+
+#ifndef TWI_FREQ
+#define TWI_FREQ 400000L
+#endif
+
+/*
+ * Function twi_init
+ * Desc     readys twi pins and sets twi bitrate
+ * Input    none
+ * Output   none
+ */
+void twi_init(void);
+
+/*
+ * Function twi_disable
+ * Desc     disables twi pins
+ * Input    none
+ * Output   none
+ */
+void twi_disable(void);
+
+/*
+ * Function twi_r8
+ * Desc     read a single byte from a device
+ * Input    address: 7bit i2c device address
+ *          reg: register address
+ *          data: pointer to byte for result
+ * Output   0 on success
+ */
+uint8_t twi_r8(uint8_t address, uint8_t reg, uint8_t* data);
+
+/*
+ * Function twi_w8
+ * Desc     write a single byte from a device
+ * Input    address: 7bit i2c device address
+ *          reg: register address
+ *          data: byte to write
+ * Output   0 on success
+ */
+uint8_t twi_w8(uint8_t address, uint8_t reg, uint8_t data);

Firmware/ultralcd.cpp

@@ -75,11 +75,6 @@ int8_t FSensorStateMenu = 1;
 bool bMenuFSDetect=false;
 #endif //IR_SENSOR_ANALOG
 
-
-#ifdef SDCARD_SORT_ALPHA
-bool presort_flag = false;
-#endif
-
 LcdCommands lcd_commands_type = LcdCommands::Idle;
 static uint8_t lcd_commands_step = 0;
 
@@ -2057,8 +2052,8 @@ static void lcd_support_menu()
 	{	// 22bytes total
 		int8_t status;                 // 1byte
 		bool is_flash_air;             // 1byte
-		uint8_t ip[4];                 // 4bytes
-		char ip_str[3*4+3+1];          // 16bytes
+		uint32_t ip;                   // 4bytes
+		char ip_str[IP4_STR_SIZE];     // 16bytes
 	} _menu_data_t;
     static_assert(sizeof(menu_data)>= sizeof(_menu_data_t),"_menu_data_t doesn't fit into menu_data");
 	_menu_data_t* _md = (_menu_data_t*)&(menu_data[0]);
@@ -2069,17 +2064,10 @@ static void lcd_support_menu()
         _md->status = 1;
         _md->is_flash_air = card.ToshibaFlashAir_isEnabled();
         if (_md->is_flash_air) {
-            card.ToshibaFlashAir_GetIP(_md->ip); // ip[4] filled with 0 if it failed
-            // Prepare IP string from ip[4]
-            sprintf_P(_md->ip_str, PSTR("%d.%d.%d.%d"), 
-                _md->ip[0], _md->ip[1], 
-                _md->ip[2], _md->ip[3]);
+            card.ToshibaFlashAir_GetIP((uint8_t*)(&_md->ip)); // ip == 0 if it failed
         }
-    } else if (_md->is_flash_air && 
-        _md->ip[0] == 0 && _md->ip[1] == 0 && 
-        _md->ip[2] == 0 && _md->ip[3] == 0 &&
-        ++ _md->status == 16)
-	{
+    } else if (_md->is_flash_air && _md->ip == 0 && ++ _md->status == 16)
+    {
         // Waiting for the FlashAir card to get an IP address from a router. Force an update.
         _md->status = 0;
     }
@@ -2143,6 +2131,20 @@ static void lcd_support_menu()
       MENU_ITEM_BACK_P(PSTR(" "));
       if (((menu_item - 1) == menu_line) && lcd_draw_update) {
           lcd_set_cursor(2, menu_row);
+          ip4_to_str(_md->ip_str, (uint8_t*)(&_md->ip));
+          lcd_printf_P(PSTR("%s"), _md->ip_str);
+      }
+  }
+  
+  // Show the printer IP address, if it is available.
+  if (IP_address) {
+      
+      MENU_ITEM_BACK_P(STR_SEPARATOR);
+      MENU_ITEM_BACK_P(PSTR("Printer IP Addr:"));  //c=18 r=1
+      MENU_ITEM_BACK_P(PSTR(" "));
+      if (((menu_item - 1) == menu_line) && lcd_draw_update) {
+          lcd_set_cursor(2, menu_row);
+          ip4_to_str(_md->ip_str, (uint8_t*)(&IP_address));
           lcd_printf_P(PSTR("%s"), _md->ip_str);
       }
   }
@@ -2228,18 +2230,18 @@ uint8_t nLevel;
 
 lcd_set_cursor(0,0);
 lcdui_print_temp(LCD_STR_THERMOMETER[0],(int)degHotend(0),(int)degTargetHotend(0));
-lcd_puts_at_P(0,2, _i("Press the knob"));                 ////MSG_ c=20 r=1
-lcd_set_cursor(0,3);
+lcd_puts_at_P(0,1, _i("Press the knob"));                 ////MSG_ c=20
+lcd_set_cursor(0,2);
 switch(eFilamentAction)
      {
      case FilamentAction::Load:
      case FilamentAction::AutoLoad:
      case FilamentAction::MmuLoad:
-          lcd_puts_P(_i("to load filament"));     ////MSG_ c=20 r=1
+          lcd_puts_P(_i("to load filament"));     ////MSG_ c=20
           break;
      case FilamentAction::UnLoad:
      case FilamentAction::MmuUnLoad:
-          lcd_puts_P(_i("to unload filament"));   ////MSG_ c=20 r=1
+          lcd_puts_P(_i("to unload filament"));   ////MSG_ c=20
           break;
      case FilamentAction::MmuEject:
      case FilamentAction::MmuCut:
@@ -4310,7 +4312,7 @@ static void lcd_sort_type_set() {
 		default: sdSort = SD_SORT_TIME;
 	}
 	eeprom_update_byte((unsigned char *)EEPROM_SD_SORT, sdSort);
-	presort_flag = true;
+	card.presort_flag = true;
 }
 #endif //SDCARD_SORT_ALPHA
 
@@ -5284,16 +5286,13 @@ do\
     else\
         MENU_ITEM_TOGGLE_P(_T(MSG_SD_CARD), _T(MSG_NORMAL), lcd_toshiba_flash_air_compatibility_toggle);\
 \
-    if (!farm_mode)\
+    uint8_t sdSort;\
+    EEPROM_read(EEPROM_SD_SORT, (uint8_t*)&sdSort, sizeof(sdSort));\
+    switch (sdSort)\
     {\
-        uint8_t sdSort;\
-        EEPROM_read(EEPROM_SD_SORT, (uint8_t*)&sdSort, sizeof(sdSort));\
-        switch (sdSort)\
-        {\
-          case SD_SORT_TIME: MENU_ITEM_TOGGLE_P(_T(MSG_SORT), _T(MSG_SORT_TIME), lcd_sort_type_set); break;\
-          case SD_SORT_ALPHA: MENU_ITEM_TOGGLE_P(_T(MSG_SORT), _T(MSG_SORT_ALPHA), lcd_sort_type_set); break;\
-          default: MENU_ITEM_TOGGLE_P(_T(MSG_SORT), _T(MSG_NONE), lcd_sort_type_set);\
-        }\
+      case SD_SORT_TIME: MENU_ITEM_TOGGLE_P(_T(MSG_SORT), _T(MSG_SORT_TIME), lcd_sort_type_set); break;\
+      case SD_SORT_ALPHA: MENU_ITEM_TOGGLE_P(_T(MSG_SORT), _T(MSG_SORT_ALPHA), lcd_sort_type_set); break;\
+      default: MENU_ITEM_TOGGLE_P(_T(MSG_SORT), _T(MSG_NONE), lcd_sort_type_set);\
     }\
 }\
 while (0)
@@ -7176,8 +7175,8 @@ void lcd_sdcard_menu()
 {
   uint8_t sdSort = eeprom_read_byte((uint8_t*)EEPROM_SD_SORT);
 
-  if (presort_flag == true) {
-	  presort_flag = false;
+  if (card.presort_flag == true) {
+	  card.presort_flag = false;
 	  card.presort();
   }
   if (lcd_draw_update == 0 && LCD_CLICKED == 0)
@@ -8541,7 +8540,7 @@ static void menu_action_sdfile(const char* filename)
 
   for (uint_least8_t i = 0; i < depth; i++) {
 	  for (uint_least8_t j = 0; j < 8; j++) {
-		  eeprom_write_byte((uint8_t*)EEPROM_DIRS + j + 8 * i, dir_names[i][j]);
+		  eeprom_write_byte((uint8_t*)EEPROM_DIRS + j + 8 * i, card.dir_names[i][j]);
 	  }
   }
   
@@ -8559,12 +8558,8 @@ static void menu_action_sdfile(const char* filename)
 
 void menu_action_sddirectory(const char* filename)
 {
-	uint8_t depth = (uint8_t)card.getWorkDirDepth();
-
-	strcpy(dir_names[depth], filename);
-	MYSERIAL.println(dir_names[depth]);
-  card.chdir(filename);
-  lcd_encoder = 0;
+	card.chdir(filename, true);
+	lcd_encoder = 0;
 }
 
 /** LCD API **/

Firmware/util.cpp

@@ -4,6 +4,7 @@
 #include "sound.h"
 #include "language.h"
 #include "util.h"
+#include <avr/pgmspace.h>
 
 // Allocate the version string in the program memory. Otherwise the string lands either on the stack or in the global RAM.
 const char FW_VERSION_STR[] PROGMEM = FW_VERSION;
@@ -604,3 +605,9 @@ else {
      sPrinterName=_sPrinterName;
      }
 }
+
+
+void ip4_to_str(char* dest, uint8_t* IP)
+{
+    sprintf_P(dest, PSTR("%u.%u.%u.%u"), IP[0], IP[1], IP[2], IP[3]);
+}

Firmware/util.h

@@ -110,4 +110,7 @@ void gcode_level_check(uint16_t nGcodeLevel);
 
 void fSetMmuMode(bool bMMu);
 
+#define IP4_STR_SIZE 16
+extern void ip4_to_str(char* dest, uint8_t* IP);
+
 #endif /* UTIL_H */

Firmware/variants/1_75mm_MK2-RAMBo10a-E3Dv6full.h

@@ -90,8 +90,9 @@ AXIS SETTINGS
 #define DEFAULT_MAX_ACCELERATION      {9000,9000,500,10000}    // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
 #define DEFAULT_MAX_ACCELERATION_SILENT     {960, 960, 200, 5000}    // (mm/sec^2) max acceleration (M201), silent mode
 
-#define DEFAULT_ACCELERATION          1500    // X, Y, Z and E max acceleration in mm/s^2 for printing moves
+#define DEFAULT_ACCELERATION          1500   // X, Y, Z and E max acceleration in mm/s^2 for printing moves
 #define DEFAULT_RETRACT_ACCELERATION  1500   // X, Y, Z and E max acceleration in mm/s^2 for retracts
+#define DEFAULT_TRAVEL_ACCELERATION   1500   // X, Y, Z and E max acceleration in mm/s^2 for travels
 
 
 #define MANUAL_FEEDRATE {3000, 3000, 1000, 100}   // set the speeds for manual moves (mm/min)

Firmware/variants/1_75mm_MK2-RAMBo13a-E3Dv6full.h

@@ -90,8 +90,9 @@ AXIS SETTINGS
 #define DEFAULT_MAX_ACCELERATION      {9000,9000,500,10000}    // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
 #define DEFAULT_MAX_ACCELERATION_SILENT     {960, 960, 200, 5000}    // (mm/sec^2) max acceleration (M201), silent mode
 
-#define DEFAULT_ACCELERATION          1500    // X, Y, Z and E max acceleration in mm/s^2 for printing moves
+#define DEFAULT_ACCELERATION          1500   // X, Y, Z and E max acceleration in mm/s^2 for printing moves
 #define DEFAULT_RETRACT_ACCELERATION  1500   // X, Y, Z and E max acceleration in mm/s^2 for retracts
+#define DEFAULT_TRAVEL_ACCELERATION   1500   // X, Y, Z and E max acceleration in mm/s^2 for travels
 
 
 #define MANUAL_FEEDRATE {3000, 3000, 1000, 100}   // set the speeds for manual moves (mm/min)

Firmware/variants/1_75mm_MK25-RAMBo10a-E3Dv6full.h

@@ -94,8 +94,9 @@
 #define DEFAULT_MAX_ACCELERATION      {1000, 1000, 200, 5000}  // (mm/sec^2) max acceleration (M201)
 #define DEFAULT_MAX_ACCELERATION_SILENT     {960, 960, 200, 5000}    // (mm/sec^2) max acceleration (M201), silent mode
 
-#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204S)
-#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204T)
+#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204P)
+#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204R)
+#define DEFAULT_TRAVEL_ACCELERATION   1250   // X, Y, Z and E max acceleration in mm/s^2 for travels (M204T)
 
 #define MANUAL_FEEDRATE {2700, 2700, 1000, 100}   // set the speeds for manual moves (mm/min)
 

Firmware/variants/1_75mm_MK25-RAMBo13a-E3Dv6full.h

@@ -95,8 +95,9 @@
 #define DEFAULT_MAX_ACCELERATION_SILENT     {960, 960, 200, 5000}    // (mm/sec^2) max acceleration (M201), silent mode
 
 
-#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204S)
-#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204T)
+#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204P)
+#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204R)
+#define DEFAULT_TRAVEL_ACCELERATION   1250   // X, Y, Z and E max acceleration in mm/s^2 for travels (M204T)
 
 #define MANUAL_FEEDRATE {2700, 2700, 1000, 100}   // set the speeds for manual moves (mm/min)
 

Firmware/variants/1_75mm_MK25S-RAMBo10a-E3Dv6full.h

@@ -94,8 +94,9 @@
 #define DEFAULT_MAX_ACCELERATION      {1000, 1000, 200, 5000}  // (mm/sec^2) max acceleration (M201)
 #define DEFAULT_MAX_ACCELERATION_SILENT     {960, 960, 200, 5000}    // (mm/sec^2) max acceleration (M201), silent mode
 
-#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204S)
-#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204T)
+#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204P)
+#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204R)
+#define DEFAULT_TRAVEL_ACCELERATION   1250   // X, Y, Z and E max acceleration in mm/s^2 for travels (M204T)
 
 #define MANUAL_FEEDRATE {2700, 2700, 1000, 100}   // set the speeds for manual moves (mm/min)
 

Firmware/variants/1_75mm_MK25S-RAMBo13a-E3Dv6full.h

@@ -95,8 +95,9 @@
 #define DEFAULT_MAX_ACCELERATION_SILENT     {960, 960, 200, 5000}    // (mm/sec^2) max acceleration (M201), silent mode
 
 
-#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204S)
-#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204T)
+#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204P)
+#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204R)
+#define DEFAULT_TRAVEL_ACCELERATION   1250   // X, Y, Z and E max acceleration in mm/s^2 for travels (M204T)
 
 #define MANUAL_FEEDRATE {2700, 2700, 1000, 100}   // set the speeds for manual moves (mm/min)
 

Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h

@@ -99,8 +99,9 @@
 #define DEFAULT_MAX_ACCELERATION_SILENT     {960, 960, 200, 5000}    // (mm/sec^2) max acceleration (M201), silent mode
 
 
-#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204S)
-#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204T)
+#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204P)
+#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204R)
+#define DEFAULT_TRAVEL_ACCELERATION   1250   // X, Y, Z and E max acceleration in mm/s^2 for travels (M204T)
 
 #define MANUAL_FEEDRATE {2700, 2700, 1000, 100}   // set the speeds for manual moves (mm/min)
 
@@ -268,6 +269,7 @@
 #define TMC2130_CURRENTS_R_HOME {8, 10, 20, 18}  // homing running currents for all axes
 
 #define TMC2130_STEALTH_Z
+#define TMC2130_DEDGE_STEPPING
 
 //#define TMC2130_SERVICE_CODES_M910_M918
 

Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h

@@ -101,8 +101,9 @@
 #define DEFAULT_MAX_ACCELERATION_SILENT     {960, 960, 200, 5000}    // (mm/sec^2) max acceleration (M201), silent mode
 
 
-#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204S)
-#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204T)
+#define DEFAULT_ACCELERATION          1250   // X, Y, Z and E max acceleration in mm/s^2 for printing moves (M204P)
+#define DEFAULT_RETRACT_ACCELERATION  1250   // X, Y, Z and E max acceleration in mm/s^2 for retracts (M204R)
+#define DEFAULT_TRAVEL_ACCELERATION   1250   // X, Y, Z and E max acceleration in mm/s^2 for travels (M204T)
 
 #define MANUAL_FEEDRATE {2700, 2700, 1000, 100}   // set the speeds for manual moves (mm/min)
 
@@ -270,6 +271,7 @@
 #define TMC2130_CURRENTS_R_HOME {8, 10, 20, 18}  // homing running currents for all axes
 
 #define TMC2130_STEALTH_Z
+#define TMC2130_DEDGE_STEPPING
 
 //#define TMC2130_SERVICE_CODES_M910_M918
 

PF-build.sh

@@ -56,7 +56,7 @@
 #   Some may argue that this is only used by a script, BUT as soon someone accidentally or on purpose starts Arduino IDE
 #   it will use the default Arduino IDE folders and so can corrupt the build environment.
 #
-# Version: 1.0.6-Build_33
+# Version: 1.0.6-Build_36
 # Change log:
 # 12 Jan 2019, 3d-gussner, Fixed "compiler.c.elf.flags=-w -Os -Wl,-u,vfprintf -lprintf_flt -lm -Wl,--gc-sections" in 'platform.txt'
 # 16 Jan 2019, 3d-gussner, Build_2, Added development check to modify 'Configuration.h' to prevent unwanted LCD messages that Firmware is unknown
@@ -135,6 +135,7 @@
 #                          Update exit numbers 1-13 for prepare build env 21-29 for prepare compiling 30-36 compiling
 # 08 Jan 2021, 3d-gussner, Comment out 'sudo' auto installation
 #                          Add '-?' '-h' help option
+# 27 Jan 2021, 3d-gussner, Add `-c`, `-p` and `-n` options
 
 #### Start check if OSTYPE is supported
 OS_FOUND=$( command -v uname)
@@ -451,7 +452,7 @@ if type git > /dev/null; then
 	git_available="1"
 fi
 
-while getopts v:l:d:b:o:?h flag
+while getopts v:l:d:b:o:c:p:n:?h flag
 	do
 	    case "${flag}" in
 	        v) variant_flag=${OPTARG};;
@@ -459,6 +460,9 @@ while getopts v:l:d:b:o:?h flag
 	        d) devel_flag=${OPTARG};;
 			b) build_flag=${OPTARG};;
 			o) output_flag=${OPTARG};;
+			c) clean_flag=${OPTARG};;
+			p) prusa_flag=${OPTARG};;
+			n) new_build_flag=${OPTARG};;
 			?) help_flag=1;;
 			h) help_flag=1;;
 	    esac
@@ -469,6 +473,9 @@ while getopts v:l:d:b:o:?h flag
 #echo "build_flag: $build_flag";
 #echo "output_flag: $output_flag";
 #echo "help_flag: $help_flag"
+#echo "clean_flag: $clean_flag"
+#echo "prusa_flag: $prusa_flag"
+#echo "new_build_flag: $new_build_flag"
 
 #
 # '?' 'h' argument usage and help
@@ -482,19 +489,23 @@ echo "$(tput setaf 2)-l$(tput sgr0) Languages '$(tput setaf 2)ALL$(tput sgr0)' f
 echo "$(tput setaf 2)-d$(tput sgr0) Devel build '$(tput setaf 2)GOLD$(tput sgr0)', '$(tput setaf 2)RC$(tput sgr0)', '$(tput setaf 2)BETA$(tput sgr0)', '$(tput setaf 2)ALPHA$(tput sgr0)', '$(tput setaf 2)DEBUG$(tput sgr0)', '$(tput setaf 2)DEVEL$(tput sgr0)' and '$(tput setaf 2)UNKNOWN$(tput sgr0)'"
 echo "$(tput setaf 2)-b$(tput sgr0) Build/commit number '$(tput setaf 2)Auto$(tput sgr0)' needs git or a number"
 echo "$(tput setaf 2)-o$(tput sgr0) Output '$(tput setaf 2)1$(tput sgr0)' force or '$(tput setaf 2)0$(tput sgr0)' block output and delays"
+echo "$(tput setaf 2)-c$(tput sgr0) Do not clean up lang build'$(tput setaf 2)0$(tput sgr0)' no '$(tput setaf 2)1$(tput sgr0)' yes"
+echo "$(tput setaf 2)-p$(tput sgr0) Keep Configuration_prusa.h '$(tput setaf 2)0$(tput sgr0)' no '$(tput setaf 2)1$(tput sgr0)' yes"
+echo "$(tput setaf 2)-n$(tput sgr0) New fresh build '$(tput setaf 2)0$(tput sgr0)' no '$(tput setaf 2)1$(tput sgr0)' yes"
 echo "$(tput setaf 2)-?$(tput sgr0) Help"
 echo "$(tput setaf 2)-h$(tput sgr0) Help"
 echo 
 echo "Brief USAGE:"
-echo "  $(tput setaf 2)./PF-build.sh$(tput sgr0)  [-v] [-l] [-d] [-b] [-o]"
+echo "  $(tput setaf 2)./PF-build.sh$(tput sgr0)  [-v] [-l] [-d] [-b] [-o] [-c] [-p] [-n]"
 echo
 echo "Example:"
 echo "  $(tput setaf 2)./PF-build.sh -v All -l ALL -d GOLD$(tput sgr0)"
 echo "  Will build all variants as multi language and final GOLD version"
 echo
-echo "  $(tput setaf 2) ./PF-build.sh -v 1_75mm_MK3S-EINSy10a-E3Dv6full.h -b Auto -l ALL -d GOLD -o 1$(tput sgr0)"
+echo "  $(tput setaf 2) ./PF-build.sh -v 1_75mm_MK3S-EINSy10a-E3Dv6full.h -b Auto -l ALL -d GOLD -o 1 -c 1 -p 1 -n 1$(tput sgr0)"
 echo "  Will build MK3S multi language final GOLD firmware "
-echo "  with current commit count number and output extra information"
+echo "  with current commit count number and output extra information,"
+echo "  not delete lang build temporary files, keep Configuration_prusa.h and build with new fresh build folder."
 echo
 exit 
 
@@ -807,6 +818,12 @@ do
 	if [ $OUTPUT == "1" ] ; then
 		sleep 2
 	fi
+
+	#New fresh PF-Firmware-build
+	if [ "$new_build_flag" == "1" ]; then
+		rm -r -f $BUILD_PATH/* || exit 36
+	fi
+
 	#$BUILD_ENV_PATH/arduino-builder -dump-prefs -debug-level 10 -compile -hardware $ARDUINO/hardware -hardware $ARDUINO/portable/packages -tools $ARDUINO/tools-builder -tools $ARDUINO/hardware/tools/avr -tools $ARDUINO/portable/packages -built-in-libraries $ARDUINO/libraries -libraries $ARDUINO/portable/sketchbook/libraries -fqbn=$BOARD_PACKAGE_NAME:avr:$BOARD -build-path=$BUILD_PATH -warnings=all $SCRIPT_PATH/Firmware/Firmware.ino || exit 14
 	$BUILD_ENV_PATH/arduino-builder -compile -hardware $ARDUINO/hardware -hardware $ARDUINO/portable/packages -tools $ARDUINO/tools-builder -tools $ARDUINO/hardware/tools/avr -tools $ARDUINO/portable/packages -built-in-libraries $ARDUINO/libraries -libraries $ARDUINO/portable/sketchbook/libraries -fqbn=$BOARD_PACKAGE_NAME:avr:$BOARD -build-path=$BUILD_PATH -warnings=all $SCRIPT_PATH/Firmware/Firmware.ino || exit 30
 	echo "$(tput sgr 0)"
@@ -874,17 +891,21 @@ do
 			fi
 		fi
 		# Cleanup after build
-		echo "$(tput setaf 3)"
-		./fw-clean.sh || exit 34
-		./lang-clean.sh || exit 35
-		echo "$(tput sgr 0)"
+		if [[ -z "$clean_flag" || "$clean_flag" == "0" ]]; then
+			echo "$(tput setaf 3)"
+			./fw-clean.sh || exit 34
+			./lang-clean.sh || exit 35
+			echo "$(tput sgr 0)"
+		fi
 	else
 		echo "$(tput setaf 2)Copying English only firmware to PF-build-hex folder$(tput sgr 0)"
 		cp -f $BUILD_PATH/Firmware.ino.hex $SCRIPT_PATH/../$OUTPUT_FOLDER/FW$FW-Build$BUILD-$VARIANT-EN_ONLY.hex || exit 34
 	fi
 
 	# Cleanup Firmware
-	rm $SCRIPT_PATH/Firmware/Configuration_prusa.h || exit 36
+	if [[ -z "$prusa_flag" || "$prusa_flag" == "0" ]]; then
+		rm $SCRIPT_PATH/Firmware/Configuration_prusa.h || exit 36
+	fi
 	if find $SCRIPT_PATH/lang/ -name '*RAMBo10a*.txt' -printf 1 -quit | grep -q 1
 	then
 		rm $SCRIPT_PATH/lang/*RAMBo10a*.txt
@@ -901,6 +922,12 @@ do
 	then
 		rm $SCRIPT_PATH/lang/not_used.txt
 	fi
+
+	#New fresh PF-Firmware-build
+	if [ "$new_build_flag" == "1" ]; then
+		rm -r -f $BUILD_PATH/* || exit 36
+	fi
+
 	# Restore files to previous state
 	sed -i -- "s/^#define FW_DEV_VERSION FW_VERSION_$DEV_STATUS/#define FW_DEV_VERSION FW_VERSION_UNKNOWN/g" $SCRIPT_PATH/Firmware/Configuration.h
 	sed -i -- 's/^#define FW_REPOSITORY "Prusa3d"/#define FW_REPOSITORY "Unknown"/g' $SCRIPT_PATH/Firmware/Configuration.h

lang/lang_en.txt

@@ -620,7 +620,7 @@
 "Please upgrade."
 
 #MSG_PRESS_TO_PREHEAT c=20 r=4
-"Press knob to preheat nozzle and continue."
+"Press the knob to preheat nozzle and continue."
 
 #MSG_FS_PAUSE c=5
 "Pause"
@@ -643,7 +643,7 @@
 #MSG_CARD_MENU
 "Print from SD"
 
-#
+# c=20
 "Press the knob"
 
 #MSG_PRINT_PAUSED c=20 r=1
@@ -874,10 +874,10 @@
 #MSG_TOTAL_FAILURES c=20
 "Total failures"
 
-#
+# c=20
 "to load filament"
 
-#
+# c=20
 "to unload filament"
 
 #MSG_UNLOAD_FILAMENT c=17

lang/lang_en_cz.txt

@@ -827,7 +827,7 @@
 "Prosim aktualizujte."
 
 #MSG_PRESS_TO_PREHEAT c=20 r=4
-"Press knob to preheat nozzle and continue."
+"Press the knob to preheat nozzle and continue."
 "Pro nahrati trysky a pokracovani stisknete tlacitko."
 
 #MSG_FS_PAUSE c=5
@@ -858,7 +858,7 @@
 "Print from SD"
 "Tisk z SD"
 
-#
+# c=20
 "Press the knob"
 "Stisknete hl. tlacitko"
 
@@ -1166,11 +1166,11 @@
 "Total failures"
 "Celkem selhani"
 
-#
+# c=20
 "to load filament"
 "k zavedeni filamentu"
 
-#
+# c=20
 "to unload filament"
 "k vyjmuti filamentu"
 

lang/lang_en_de.txt

@@ -827,7 +827,7 @@
 "Bitte aktualisieren."
 
 #MSG_PRESS_TO_PREHEAT c=20 r=4
-"Press knob to preheat nozzle and continue."
+"Press the knob to preheat nozzle and continue."
 "Bitte druecken Sie den Knopf um die Duese vorzuheizen und fortzufahren."
 
 #MSG_FS_PAUSE c=5
@@ -858,7 +858,7 @@
 "Print from SD"
 "Drucken von SD"
 
-#
+# c=20
 "Press the knob"
 "Knopf druecken zum"
 
@@ -1166,11 +1166,11 @@
 "Total failures"
 "Gesamte Fehler"
 
-#
+# c=20
 "to load filament"
 "Filament laden"
 
-#
+# c=20
 "to unload filament"
 "Filament entladen"
 

lang/lang_en_es.txt

@@ -827,7 +827,7 @@
 "Actualize por favor"
 
 #MSG_PRESS_TO_PREHEAT c=20 r=4
-"Press knob to preheat nozzle and continue."
+"Press the knob to preheat nozzle and continue."
 "Pulsa el dial para precalentar la boquilla y continue."
 
 #MSG_FS_PAUSE c=5
@@ -858,7 +858,7 @@
 "Print from SD"
 "Menu tarjeta SD"
 
-#
+# c=20
 "Press the knob"
 "Pulsa el dial"
 
@@ -1166,13 +1166,13 @@
 "Total failures"
 "Fallos totales"
 
-#
+# c=20
 "to load filament"
-"para cargar el filamento"
+"para cargar el fil."
 
-#
+# c=20
 "to unload filament"
-"para descargar el filamento"
+"para descargar fil."
 
 #MSG_UNLOAD_FILAMENT c=17
 "Unload filament"

lang/lang_en_fr.txt

@@ -827,7 +827,7 @@
 "Mettez a jour le FW."
 
 #MSG_PRESS_TO_PREHEAT c=20 r=4
-"Press knob to preheat nozzle and continue."
+"Press the knob to preheat nozzle and continue."
 "Appuyez sur le bouton pour prechauffer la buse et continuer."
 
 #MSG_FS_PAUSE c=5
@@ -858,7 +858,7 @@
 "Print from SD"
 "Impr. depuis la SD"
 
-#
+# c=20
 "Press the knob"
 "App. sur sur bouton"
 
@@ -1166,11 +1166,11 @@
 "Total failures"
 "Total des echecs"
 
-#
+# c=20
 "to load filament"
 "pour charger le fil."
 
-#
+# c=20
 "to unload filament"
 "pour decharger fil."
 

lang/lang_en_it.txt

@@ -827,7 +827,7 @@
 "Prego aggiornare."
 
 #MSG_PRESS_TO_PREHEAT c=20 r=4
-"Press knob to preheat nozzle and continue."
+"Press the knob to preheat nozzle and continue."
 "Premete la manopola per preriscaldare l'ugello e continuare."
 
 #MSG_FS_PAUSE c=5
@@ -858,7 +858,7 @@
 "Print from SD"
 "Stampa da SD"
 
-#
+# c=20
 "Press the knob"
 "Premere la manopola"
 
@@ -1166,13 +1166,13 @@
 "Total failures"
 "Totale fallimenti"
 
-#
+# c=20
 "to load filament"
-"per caricare il filamento"
+"per caricare il fil."
 
-#
+# c=20
 "to unload filament"
-"per scaricare il filamento"
+"per scaricare fil."
 
 #MSG_UNLOAD_FILAMENT c=17
 "Unload filament"

lang/lang_en_pl.txt

@@ -827,7 +827,7 @@
 "Prosze zaktualizowac."
 
 #MSG_PRESS_TO_PREHEAT c=20 r=4
-"Press knob to preheat nozzle and continue."
+"Press the knob to preheat nozzle and continue."
 "Wcisnij pokretlo aby rozgrzac dysze i kontynuowac."
 
 #MSG_FS_PAUSE c=5
@@ -858,7 +858,7 @@
 "Print from SD"
 "Druk z karty SD"
 
-#
+# c=20
 "Press the knob"
 "Wcisnij pokretlo"
 
@@ -1166,11 +1166,11 @@
 "Total failures"
 "Suma bledow"
 
-#
+# c=20
 "to load filament"
 "aby zaladow. fil."
 
-#
+# c=20
 "to unload filament"
 "aby rozlad. filament"