Update Snapmaker U1 printer profile and G-code sequences (#12219)

* Sync Snapmaker U1 profiles with upstream v2.2.1

* Customize Snapmaker U1 start gcode: auto bed leveling and adaptive mesh

* fix bed mesh min/max  regression issues

---------

Co-authored-by: SoftFever <softfeverever@gmail.com>

resources/profiles/Snapmaker/machine/Snapmaker U1 (0.4 nozzle).json

@@ -1,14 +1,14 @@
 {
     "type": "machine",
+    "setting_id": "SM_U1",
     "name": "Snapmaker U1 (0.4 nozzle)",
-    "inherits": "fdm_U1",
     "from": "system",
-    "setting_id": "1591507869",
     "instantiation": "true",
+    "inherits": "fdm_U1",
     "printer_model": "Snapmaker U1",
     "printer_variant": "0.4",
     "auxiliary_fan": "1",
-    "change_filament_gcode": "; Change Tool[previous_extruder] -> Tool[next_extruder] (layer [layer_num])\n{\nlocal max_speed_toolchange = 350.0;\nlocal wait_for_extruder_temp = true;\nposition[2] = position[2] + 2.0;\n\nlocal speed_toolchange = max_speed_toolchange;\nif travel_speed < max_speed_toolchange then\n      speed_toolchange = travel_speed;\nendif\n\"G91\nG0 Z1.5 F600\nG90\n\";\n\"G1 F\" + (speed_toolchange * 60) + \"\n\";\nif wait_for_extruder_temp and not((layer_num < 0) and (next_extruder == initial_tool)) then\n      \"\n\";\n      \"; \" + layer_num + \"\n\";\n      if layer_num == 0 then\n            \"M109 S\" + first_layer_temperature[next_extruder] + \" T\" + next_extruder + \"\n\";\n      else\n            \"M109 S\" + temperature[next_extruder] + \" T\" + next_extruder + \"\n\";\n      endif\nendif\n\"T\" + next_extruder + \"\n\";\n}\nM400\n{if filament_type[next_extruder] == \"PVA\"}\nSET_VELOCITY_LIMIT ACCEL=3000\n{else}\n{endif}",
+    "change_filament_gcode": ";===== date: 20251213=====================\n; Change Tool[previous_extruder] -> Tool[next_extruder] (layer [layer_num])\n{\nlocal max_speed_toolchange = 350.0;\nlocal wait_for_extruder_temp = true;\nposition[2] = position[2] + 2.0;\nlocal speed_toolchange = max_speed_toolchange;\nif travel_speed < max_speed_toolchange then\n      speed_toolchange = travel_speed;\nendif\n\"G91\nG1 Z1.5 F1800\nG90\n\";\n\"G1 F\" + (speed_toolchange * 60) + \"\n\";\nif wait_for_extruder_temp and not((layer_num < 0) and (next_extruder == initial_tool)) then\n      \"\n\";\n      \"; \" + layer_num + \"\n\";\n      if layer_num == 0 then\n            \"M109 S\" + first_layer_temperature[next_extruder] + \" T\" + next_extruder + \"\n\";\n      else\n            \"M109 S\" + temperature[next_extruder] + \" T\" + next_extruder + \"\n\";\n      endif\nendif\n\"M400\" + \"\n\";\n\"T\" + next_extruder + \"\n\";\nif filament_type[next_extruder] == \"PVA\" then\n\"SET_VELOCITY_LIMIT ACCEL=3000\n\";\nelse\nendif\nif previous_extruder != next_extruder and initial_extruder != next_extruder then\n\"SM_PRINT_PREEXTRUDE_FILAMENT INDEX=\" + next_extruder + \"\n\";\nendif\n\"G90\n\";\n}\n",
     "extruder_colour": [
         "#FCE94F",
         "#FCE94F",
@@ -41,6 +41,7 @@
         "20",
         "12"
     ],
+    "machine_start_gcode": "SET_PRINT_AUTO_BED_LEVELING ENABLE=1\nSET_TIME_LAPSE_CAMERA ENABLE=1\n;===== date: 20251222 =====================\n\nPRINT_START\nDEFECT_DETECTION_START\nSET_PRINT_STATS_INFO TOTAL_LAYER={total_layer_count}\nSET_PRINT_STATS_INFO CURRENT_LAYER=0\nTIMELAPSE_START\nM140 S{bed_temperature_initial_layer_single}\nM104 T{initial_extruder} S140\nM204 S10000\n\nG28 X Y\n;===== 床面异物检测 ========\nT{initial_extruder}\nG90\nDEFECT_DETECTION_DETECT_BED\n;===== 取放头检测 =================\nSM_PRINT_CHECK_SWITCH_EXTRUDER\n\n;===== 自动进料 & 挤出流量 & 预挤出 ======================\nSM_PRINT_EXTRUDER_PREHEAT EXTRUDER=1 TEMP=140\nSM_PRINT_AUTO_FEED EXTRUDER=0\nSM_PRINT_FLOW_CALIBRATE EXTRUDER=0\nSM_PRINT_EXTRUDER_PREHEAT EXTRUDER=2 TEMP=140\nSM_PRINT_AUTO_FEED EXTRUDER=1\nSM_PRINT_FLOW_CALIBRATE EXTRUDER=1\nSM_PRINT_EXTRUDER_PREHEAT EXTRUDER=3 TEMP=140\nSM_PRINT_AUTO_FEED EXTRUDER=2\nSM_PRINT_FLOW_CALIBRATE EXTRUDER=2\nSM_PRINT_AUTO_FEED EXTRUDER=3\nSM_PRINT_FLOW_CALIBRATE EXTRUDER=3\nM104 S0 T0 A0\nM104 S0 T1 A0\nM104 S0 T2 A0\nM104 S0 T3 A0\nM104 T{initial_extruder} S{nozzle_temperature[initial_extruder] - 90}\n\n;===== 粗回零 =================\nT{initial_extruder}\nM106 S255\nM106 P2 S0\nMOVE_TO_DISCARD_FILAMENT_POSITION\nM109 T{initial_extruder} S{nozzle_temperature[initial_extruder] - 90}\nROUGHLY_CLEAN_NOZZLE_WITH_DISCARD\nMOVE_TO_XY_IDLE_POSITION_EXTRUDER\nG28 Z I140 J140\n\n;===== 检测钢板 =================\nDETECT_BED_PLATE\n\n;===== 深度清洁喷嘴 =================\nG90\nG0 Z5 F10000\nMOVE_TO_DISCARD_FILAMENT_POSITION\nM109 S{nozzle_temperature[initial_extruder] - 50}\nROUGHLY_CLEAN_NOZZLE\nMOVE_TO_XY_IDLE_POSITION_EXTRUDER\nFINELY_CLEAN_NOZZLE_STAGE_1\nM104 S{nozzle_temperature[initial_extruder] - 90}\nG0 Z5 F10000\nMOVE_TO_DISCARD_FILAMENT_POSITION\nROUGHLY_CLEAN_NOZZLE\nMOVE_TO_XY_IDLE_POSITION_EXTRUDER\nFINELY_CLEAN_NOZZLE_STAGE_2\n\n;===== 精回零 =================\nM106 S255\nM109 S{nozzle_temperature[initial_extruder] - 90}\nM190 S{bed_temperature_initial_layer_single}\nM107 P2\nG90\nG0 Z5 F10000\nG28 Z\n\n;===== 热床调平 =================\n; Always pass `ADAPTIVE_MARGIN=0` because Orca has already handled `adaptive_bed_mesh_margin` internally\n; Make sure to set ADAPTIVE to 0 otherwise Klipper will use it's own adaptive bed mesh logic\nBED_MESH_CALIBRATE mesh_min={adaptive_bed_mesh_min[0]},{adaptive_bed_mesh_min[1]} mesh_max={adaptive_bed_mesh_max[0]},{adaptive_bed_mesh_max[1]} ALGORITHM=[bed_mesh_algo] PROBE_COUNT={bed_mesh_probe_count[0]},{bed_mesh_probe_count[1]} ADAPTIVE=0 ADAPTIVE_MARGIN=0\n; Original upstream: BED_MESH_CALIBRATE PROBE_COUNT=11,11\n\n;===== 画起始线 =================\nG90\nG1 Z1.5\nG0 X10 Y3 Z2 F18000\nM109 S{nozzle_temperature_initial_layer[initial_extruder]}\nG1 Z0.2\nM83\nG1 X110 E15 F360\nG1 Z1.5\n\nG90\nM106 S0",
     "machine_tool_change_time": "5",
     "max_layer_height": [
         "0.32",
@@ -60,14 +61,14 @@
         "0.4",
         "0.4"
     ],
-    "nozzle_type": "hardened_steel",
+    "nozzle_type": "stainless_steel",
     "printable_area": [
-        "-0.5x-1",
-        "270.5x-1",
+        "0.5x1",
+        "270.5x1",
         "270.5x271",
-        "-0.5x271"
+        "0.5x271"
     ],
-    "printable_height": "270",
+    "printable_height": "270.05",
     "printer_settings_id": "MyToolChanger 0.4 nozzle - Copy",
     "retract_before_wipe": [
         "0%",
@@ -183,7 +184,7 @@
     "extruder_clearance_radius": "72.5",
     "machine_load_filament_time": "0",
     "machine_unload_filament_time": "0",
-    "before_layer_change_gcode": ";BEFORE_LAYER_CHANGE\n;[layer_z]\nG92 E0\nTIMELAPSE_TAKE_FRAME",
+    "before_layer_change_gcode": ";BEFORE_LAYER_CHANGE\n;[layer_z]\nG92 E0\nTIMELAPSE_TAKE_FRAME\nDEFECT_DETECTION_DETECT",
     "z_hop_when_prime": [
         "0",
         "0",
@@ -192,6 +193,9 @@
     ],
     "ramming_pressure_advance_value": "0.02",
     "tool_change_temprature_wait": "0",
-    "printer_notes": "1、修改幅面坐标，原点坐标\n2、修改换头时间，5S",
-    "machine_pause_gcode": "M600"
+    "printer_notes": "",
+    "machine_pause_gcode": "M600",
+    "default_bed_type": "Textured PEI Plate",
+    "layer_change_gcode": ";AFTER_LAYER_CHANGE\n;[layer_z]\nSET_PRINT_STATS_INFO TOTAL_LAYER={total_layer_count}\nSET_PRINT_STATS_INFO CURRENT_LAYER={layer_num+1}",
+    "nozzle_volume": "143"
 }