Add UUID support to M115 responses.

Marlin/Configuration.h

 // Define this to set a custom name for your generic Mendel,
 // #define CUSTOM_MENDEL_NAME "This Mendel"
 
+// Define this to set a unique identifier for this printer, (Used by some programs to differentiate between machines)
+// You can use an online service to generate a random UUID. (eg http://www.uuidgenerator.net/version4)
+// #define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
+
 // This defines the number of extruders
 #define EXTRUDERS 1
 
 // 2 is 200k thermistor - ATC Semitec 204GT-2 (4.7k pullup)
 // 3 is mendel-parts thermistor (4.7k pullup)
 // 4 is 10k thermistor !! do not use it for a hotend. It gives bad resolution at high temp. !!
-// 5 is 100K thermistor - ATC Semitec 104GT-2 (Used in ParCan) (4.7k pullup)
+// 5 is 100K thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (4.7k pullup)
 // 6 is 100k EPCOS - Not as accurate as table 1 (created using a fluke thermocouple) (4.7k pullup)
 // 7 is 100k Honeywell thermistor 135-104LAG-J01 (4.7k pullup)
 // 71 is 100k Honeywell thermistor 135-104LAF-J01 (4.7k pullup)
 //                          (but gives greater accuracy and more stable PID)
 // 51 is 100k thermistor - EPCOS (1k pullup)
 // 52 is 200k thermistor - ATC Semitec 204GT-2 (1k pullup)
-// 55 is 100k thermistor - ATC Semitec 104GT-2 (Used in ParCan) (1k pullup)
+// 55 is 100k thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (1k pullup)
 
 #define TEMP_SENSOR_0 -1
 #define TEMP_SENSOR_1 -1

Marlin/language.h

 	#else
 		#define MACHINE_NAME "Mendel"
 	#endif
+	#ifndef MACHINE_UUID
+		#define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
+	#endif
 	#define FIRMWARE_URL "http://www.mendel-parts.com"
 #endif
 
 	#define MSG_HEATING_COMPLETE "Heating done."
 	#define MSG_BED_HEATING "Bed Heating."
 	#define MSG_BED_DONE "Bed done."
-	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) "\n"
+	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 	#define MSG_COUNT_X " Count X: "
 	#define MSG_ERR_KILLED "Printer halted. kill() called!"
 	#define MSG_ERR_STOPPED "Printer stopped due to errors. Fix the error and use M999 to restart. (Temperature is reset. Set it after restarting)"
 	#define MSG_HEATING_COMPLETE "Nagrzewanie ekstrudera zakonczone."
 	#define MSG_BED_HEATING "Nagrzewanie loza..."
 	#define MSG_BED_DONE "Nagrzewanie loza zakonczone."
-	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) "\n"
+	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 	#define MSG_COUNT_X " Liczenie X: "
 	#define MSG_ERR_KILLED "Drukarka zatrzymana. Wywolano kill()"
 	#define MSG_ERR_STOPPED "Drukarka zatrzymana z powodu bledu. Usun problem i zrestartuj drukartke komenda M999. (temperatura zostala zresetowana; ustaw temperature po restarcie)"
 	#define MSG_HEATING_COMPLETE "Chauffe terminee."
 	#define MSG_BED_HEATING "Chauffe du lit."
 	#define MSG_BED_DONE "Chauffe du lit terminee."
-	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) "\n"
+	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 	#define MSG_COUNT_X " Compteur X: "
 	#define MSG_ERR_KILLED "Impression arretee. kill() appelee!"
 	#define MSG_ERR_STOPPED "Impression arretee a cause d'erreurs. Corriger les erreurs et utiliser M999 pour la reprendre. (Temperature remise a zero. Reactivez la apres redemarrage)"
 	#define MSG_HEATING_COMPLETE "Heating done."
 	#define MSG_BED_HEATING "Bed Heating."
 	#define MSG_BED_DONE "Bed done."
-	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) "\n"
+	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 	#define MSG_COUNT_X " Count X:"
 	#define MSG_ERR_KILLED "Printer halted. kill() called !!"
 	#define MSG_ERR_STOPPED "Printer stopped due to errors. Fix the error and use M999 to restart!"
 	#define MSG_HEATING_COMPLETE "Calentamiento Hecho."
 	#define MSG_BED_HEATING "Calentando la base."
 	#define MSG_BED_DONE "Base Caliente."
-	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) "\n"
+	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 	#define MSG_COUNT_X " Cuenta X:"
 	#define MSG_ERR_KILLED "¡¡Impresora Parada con kill()!!"
 	#define MSG_ERR_STOPPED "¡Impresora parada por errores. Arregle el error y use M999 Para reiniciar!. (La temperatura se reestablece. Ajustela antes de continuar)"
 	#define MSG_HEATING_COMPLETE				"Наргето.    "
 	#define MSG_BED_HEATING						"Нагрев стола...     "
 	#define MSG_BED_DONE						"Стол нагрет.        "
-	#define MSG_M115_REPORT						"FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) "\n"
+	#define MSG_M115_REPORT						"FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 	#define MSG_COUNT_X							" Count X:"
 	#define MSG_ERR_KILLED						"Принтер остановлен. вызов kill() !!"
 	#define MSG_ERR_STOPPED						"Ошибка принтера, останов. Устраните неисправность и используйте M999 для перезагрузки!. (Температура недоступна. Проверьте датчики)"
 	#define MSG_HEATING_COMPLETE     "Stampante Calda."
 	#define MSG_BED_HEATING          "Riscaldamento Piatto."
 	#define MSG_BED_DONE             "Piatto Pronto."
-	#define MSG_M115_REPORT          "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) "\n"
+	#define MSG_M115_REPORT          "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 	#define MSG_COUNT_X              " Calcola X: "
 	#define MSG_ERR_KILLED           "Stampante Calda. kill() chiamata !!"
 	#define MSG_ERR_STOPPED          "Stampante fermata a causa di errori. Risolvi l'errore e usa M999 per ripartire!. (Reset temperatura. Impostala prima di ripartire)"
 	#define MSG_HEATING_COMPLETE "Aquecido."
 	#define MSG_BED_HEATING "Aquecendo a Base."
 	#define MSG_BED_DONE "Base quente."
-	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) "\n"
+	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 	#define MSG_COUNT_X " Conta X:"
 	#define MSG_ERR_KILLED "Impressora parada com kill() !!"
 	#define MSG_ERR_STOPPED "Impressora parada por erros. Coserte o erro e use M999 para recomeçar!. (Temperatura reiniciada. Ajuste antes de recomeçar)"
 	#define MSG_HEATING_COMPLETE "Lammitys valmis."
 	#define MSG_BED_HEATING "Alusta lampiaa."
 	#define MSG_BED_DONE "Alusta valmis."
-	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) "\n"
+	#define MSG_M115_REPORT "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 	#define MSG_COUNT_X " Laskuri X: "
 	#define MSG_ERR_KILLED "Tulostin pysaytetty. kill():ia kutsuttu!"
 	#define MSG_ERR_STOPPED "Tulostin pysaytetty virheiden vuoksi. Korjaa virheet ja kayta M999 kaynnistaaksesi uudelleen. (Lampotila nollattiin. Aseta lampotila sen jalkeen kun jatkat.)"