added OBD2-KLine Interface

added first code for OBD2 via CAN and K-Line
2025-05-05 00:05:56 +02:00 · 2025-05-04 12:03:52 +02:00
19 changed files with 30833 additions and 18289 deletions
--- a/Hardware/MC33660.lib
+++ b/Hardware/MC33660.lib
@@ -0,0 +1,24 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# MC33660
+#
+DEF MC33660 U 0 40 Y Y 1 F N
+F0 "U" 0 0 50 H V C CNN
+F1 "MC33660" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+S -400 250 400 -350 0 1 0 N
+X VBB 1 50 450 200 D 50 50 1 1 W
+X NC 2 -50 -550 200 U 50 50 1 1 W
+X GND 3 50 -550 200 U 50 50 1 1 W
+X ISO 4 600 -50 200 L 50 50 1 1 B
+X TX 5 -600 -200 200 R 50 50 1 1 O
+X RX 6 -600 -50 200 R 50 50 1 1 I
+X VDD 7 -50 450 200 D 50 50 1 1 W
+X CEN 8 -600 100 200 R 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+#End Library
--- a/Hardware/oiler
+++ b/Hardware/oiler
--- a/Hardware/oiler
+++ b/Hardware/oiler
@@ -1,15 +1,19 @@
 {
  "board": {
+    "3dviewports": [],
    "design_settings": {
      "defaults": {
-        "board_outline_line_width": 0.049999999999999996,
-        "copper_line_width": 0.19999999999999998,
+        "apply_defaults_to_fp_fields": false,
+        "apply_defaults_to_fp_shapes": false,
+        "apply_defaults_to_fp_text": false,
+        "board_outline_line_width": 0.05,
+        "copper_line_width": 0.2,
        "copper_text_italic": false,
        "copper_text_size_h": 1.5,
        "copper_text_size_v": 1.5,
        "copper_text_thickness": 0.3,
        "copper_text_upright": false,
-        "courtyard_line_width": 0.049999999999999996,
+        "courtyard_line_width": 0.05,
        "dimension_precision": 4,
        "dimension_units": 3,
        "dimensions": {
@@ -20,13 +24,13 @@
          "text_position": 0,
          "units_format": 1
        },
-        "fab_line_width": 0.09999999999999999,
+        "fab_line_width": 0.1,
        "fab_text_italic": false,
        "fab_text_size_h": 1.0,
        "fab_text_size_v": 1.0,
        "fab_text_thickness": 0.15,
        "fab_text_upright": false,
-        "other_line_width": 0.09999999999999999,
+        "other_line_width": 0.1,
        "other_text_italic": false,
        "other_text_size_h": 1.0,
        "other_text_size_v": 1.0,
@@ -45,11 +49,100 @@
        "silk_text_upright": false,
        "zones": {
          "45_degree_only": false,
-          "min_clearance": 0.19999999999999998
+          "min_clearance": 0.2
        }
      },
      "diff_pair_dimensions": [],
-      "drc_exclusions": [],
+      "drc_exclusions": [
+        [
+          "courtyards_overlap|118511500|75177000|1553c88f-2adb-4497-8788-967b865e436a|b792e1a3-e773-46cb-bdd0-cca64b65c21c",
+          ""
+        ],
+        [
+          "courtyards_overlap|123007000|75355000|00000000-0000-0000-0000-000061d28ad3|1553c88f-2adb-4497-8788-967b865e436a",
+          ""
+        ],
+        [
+          "lib_footprint_issues|141478000|85575000|00000000-0000-0000-0000-000061d2ae4b|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "lib_footprint_mismatch|115824000|80772000|1553c88f-2adb-4497-8788-967b865e436a|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "lib_footprint_mismatch|124460000|93980000|f3127aa8-4fa0-47de-9985-06be44bbdf06|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "lib_footprint_mismatch|125984000|82296000|00000000-0000-0000-0000-000061d2caf2|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "lib_footprint_mismatch|129032000|77978000|00000000-0000-0000-0000-000061de69e4|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "lib_footprint_mismatch|129540000|88900000|479edbfe-22e9-482f-abe6-e8a9ee4f8095|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "lib_footprint_mismatch|132842000|93218000|00000000-0000-0000-0000-000061d28984|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "lib_footprint_mismatch|139700000|89916000|0b7b6b80-ae94-4b1b-a38e-a90a7895e1d0|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "lib_footprint_mismatch|145703000|65864500|00000000-0000-0000-0000-000061d2f827|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "malformed_courtyard|124128000|98140000|00000000-0000-0000-0000-000061d2ae4b|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "malformed_courtyard|124178000|72040000|00000000-0000-0000-0000-000061d2ae4b|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "malformed_courtyard|158828000|72040000|00000000-0000-0000-0000-000061d2ae4b|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "silk_edge_clearance|108458000|61861000|ccc4cc25-ac17-45ef-825c-e079951ffb21|dc75368d-0996-4249-8abb-dc4cf7e8b3a4",
+          ""
+        ],
+        [
+          "silk_edge_clearance|108458000|74901000|ccc4cc25-ac17-45ef-825c-e079951ffb21|53b3d478-aede-49e5-a9c6-af0d51081e6b",
+          ""
+        ],
+        [
+          "silk_edge_clearance|131953000|99060000|626679e8-6101-4722-ac57-5b8d9dab4c8b|0ceda40c-021b-4e82-b42f-da6ab60c2da7",
+          ""
+        ],
+        [
+          "silk_over_copper|124256491|96080000|5918385d-932b-42f5-93dc-b50c4d404527|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "silk_over_copper|126686000|72160000|c0c7c21a-5ba8-4e1a-b19c-dd42f87b5e73|00000000-0000-0000-0000-000000000000",
+          ""
+        ],
+        [
+          "silk_overlap|114722000|93418819|2389429b-e330-41bd-ae02-ffdf7f42affb|277dc3b2-ee65-405f-ac52-614baa7cb1bf",
+          ""
+        ],
+        [
+          "silk_overlap|114807618|80226819|2cde46e7-b5a2-4709-b127-bb84cc090edc|d0190ea1-2eb5-4019-a426-876a8032a9c9",
+          ""
+        ],
+        [
+          "silk_overlap|125118537|76007746|ba335760-ecfa-408d-9aa6-aeeaddbba1a7|d65dbdcd-4994-45be-8af9-98fc61c06e09",
+          ""
+        ]
+      ],
      "meta": {
        "filename": "board_design_settings.json",
        "version": 2
@@ -57,35 +150,56 @@
      "rule_severities": {
        "annular_width": "error",
        "clearance": "error",
+        "connection_width": "warning",
        "copper_edge_clearance": "error",
+        "copper_sliver": "warning",
        "courtyards_overlap": "error",
+        "creepage": "error",
        "diff_pair_gap_out_of_range": "error",
        "diff_pair_uncoupled_length_too_long": "error",
        "drill_out_of_range": "error",
        "duplicate_footprints": "warning",
        "extra_footprint": "warning",
+        "footprint": "error",
+        "footprint_filters_mismatch": "ignore",
+        "footprint_symbol_mismatch": "warning",
        "footprint_type_mismatch": "error",
        "hole_clearance": "error",
        "hole_near_hole": "error",
+        "hole_to_hole": "error",
+        "holes_co_located": "warning",
        "invalid_outline": "error",
+        "isolated_copper": "warning",
        "item_on_disabled_layer": "error",
        "items_not_allowed": "error",
        "length_out_of_range": "error",
+        "lib_footprint_issues": "warning",
+        "lib_footprint_mismatch": "warning",
        "malformed_courtyard": "error",
        "microvia_drill_out_of_range": "error",
+        "mirrored_text_on_front_layer": "warning",
        "missing_courtyard": "ignore",
        "missing_footprint": "warning",
        "net_conflict": "warning",
+        "nonmirrored_text_on_back_layer": "warning",
        "npth_inside_courtyard": "ignore",
        "padstack": "error",
        "pth_inside_courtyard": "ignore",
        "shorting_items": "error",
+        "silk_edge_clearance": "warning",
        "silk_over_copper": "warning",
        "silk_overlap": "warning",
        "skew_out_of_range": "error",
+        "solder_mask_bridge": "error",
+        "starved_thermal": "error",
+        "text_height": "warning",
+        "text_on_edge_cuts": "error",
+        "text_thickness": "warning",
        "through_hole_pad_without_hole": "error",
        "too_many_vias": "error",
+        "track_angle": "error",
        "track_dangling": "warning",
+        "track_segment_length": "error",
        "track_width": "error",
        "tracks_crossing": "error",
        "unconnected_items": "error",
@@ -101,24 +215,100 @@
        "allow_microvias": false,
        "max_error": 0.005,
        "min_clearance": 0.0,
-        "min_copper_edge_clearance": 0.049999999999999996,
+        "min_connection": 0.0,
+        "min_copper_edge_clearance": 0.05,
+        "min_groove_width": 0.0,
        "min_hole_clearance": 0.25,
        "min_hole_to_hole": 0.25,
-        "min_microvia_diameter": 0.19999999999999998,
-        "min_microvia_drill": 0.09999999999999999,
+        "min_microvia_diameter": 0.2,
+        "min_microvia_drill": 0.1,
+        "min_resolved_spokes": 2,
        "min_silk_clearance": 0.0,
+        "min_text_height": 0.8,
+        "min_text_thickness": 0.08,
        "min_through_hole_diameter": 0.3,
-        "min_track_width": 0.19999999999999998,
-        "min_via_annular_width": 0.049999999999999996,
-        "min_via_diameter": 0.39999999999999997,
+        "min_track_width": 0.2,
+        "min_via_annular_width": 0.05,
+        "min_via_diameter": 0.4,
+        "solder_mask_to_copper_clearance": 0.005,
        "use_height_for_length_calcs": true
      },
+      "teardrop_options": [
+        {
+          "td_onpthpad": true,
+          "td_onroundshapesonly": false,
+          "td_onsmdpad": true,
+          "td_ontrackend": false,
+          "td_onvia": true
+        }
+      ],
+      "teardrop_parameters": [
+        {
+          "td_allow_use_two_tracks": true,
+          "td_curve_segcount": 0,
+          "td_height_ratio": 1.0,
+          "td_length_ratio": 0.5,
+          "td_maxheight": 2.0,
+          "td_maxlen": 1.0,
+          "td_on_pad_in_zone": false,
+          "td_target_name": "td_round_shape",
+          "td_width_to_size_filter_ratio": 0.9
+        },
+        {
+          "td_allow_use_two_tracks": true,
+          "td_curve_segcount": 0,
+          "td_height_ratio": 1.0,
+          "td_length_ratio": 0.5,
+          "td_maxheight": 2.0,
+          "td_maxlen": 1.0,
+          "td_on_pad_in_zone": false,
+          "td_target_name": "td_rect_shape",
+          "td_width_to_size_filter_ratio": 0.9
+        },
+        {
+          "td_allow_use_two_tracks": true,
+          "td_curve_segcount": 0,
+          "td_height_ratio": 1.0,
+          "td_length_ratio": 0.5,
+          "td_maxheight": 2.0,
+          "td_maxlen": 1.0,
+          "td_on_pad_in_zone": false,
+          "td_target_name": "td_track_end",
+          "td_width_to_size_filter_ratio": 0.9
+        }
+      ],
      "track_widths": [
        0.0,
        0.5,
        1.0,
        2.0
      ],
+      "tuning_pattern_settings": {
+        "diff_pair_defaults": {
+          "corner_radius_percentage": 80,
+          "corner_style": 1,
+          "max_amplitude": 1.0,
+          "min_amplitude": 0.2,
+          "single_sided": false,
+          "spacing": 1.0
+        },
+        "diff_pair_skew_defaults": {
+          "corner_radius_percentage": 80,
+          "corner_style": 1,
+          "max_amplitude": 1.0,
+          "min_amplitude": 0.2,
+          "single_sided": false,
+          "spacing": 0.6
+        },
+        "single_track_defaults": {
+          "corner_radius_percentage": 80,
+          "corner_style": 1,
+          "max_amplitude": 1.0,
+          "min_amplitude": 0.2,
+          "single_sided": false,
+          "spacing": 0.6
+        }
+      },
      "via_dimensions": [
        {
          "diameter": 0.0,
@@ -140,7 +330,16 @@
      "zones_allow_external_fillets": false,
      "zones_use_no_outline": true
    },
-    "layer_presets": []
+    "ipc2581": {
+      "dist": "",
+      "distpn": "",
+      "internal_id": "",
+      "mfg": "",
+      "mpn": ""
+    },
+    "layer_pairs": [],
+    "layer_presets": [],
+    "viewports": []
  },
  "boards": [],
  "cvpcb": {
@@ -331,11 +530,21 @@
      "different_unit_net": "error",
      "duplicate_reference": "error",
      "duplicate_sheet_names": "error",
+      "endpoint_off_grid": "warning",
      "extra_units": "error",
+      "footprint_filter": "ignore",
+      "footprint_link_issues": "warning",
+      "four_way_junction": "ignore",
      "global_label_dangling": "warning",
      "hier_label_mismatch": "error",
      "label_dangling": "error",
+      "label_multiple_wires": "warning",
      "lib_symbol_issues": "warning",
+      "lib_symbol_mismatch": "warning",
+      "missing_bidi_pin": "warning",
+      "missing_input_pin": "warning",
+      "missing_power_pin": "error",
+      "missing_unit": "warning",
      "multiple_net_names": "warning",
      "net_not_bus_member": "warning",
      "no_connect_connected": "warning",
@@ -344,8 +553,14 @@
      "pin_not_driven": "error",
      "pin_to_pin": "warning",
      "power_pin_not_driven": "error",
+      "same_local_global_label": "warning",
+      "similar_label_and_power": "warning",
      "similar_labels": "warning",
+      "similar_power": "warning",
+      "simulation_model_issue": "ignore",
+      "single_global_label": "ignore",
      "unannotated": "error",
+      "unconnected_wire_endpoint": "warning",
      "unit_value_mismatch": "error",
      "unresolved_variable": "error",
      "wire_dangling": "error"
@@ -357,12 +572,12 @@
  },
  "meta": {
    "filename": "oiler SMD.kicad_pro",
-    "version": 1
+    "version": 3
  },
  "net_settings": {
    "classes": [
      {
-        "bus_width": 12.0,
+        "bus_width": 12,
        "clearance": 0.2,
        "diff_pair_gap": 0.25,
        "diff_pair_via_gap": 0.25,
@@ -372,32 +587,112 @@
        "microvia_drill": 0.1,
        "name": "Default",
        "pcb_color": "rgba(0, 0, 0, 0.000)",
+        "priority": 2147483647,
        "schematic_color": "rgba(0, 0, 0, 0.000)",
        "track_width": 0.25,
        "via_diameter": 0.8,
        "via_drill": 0.4,
-        "wire_width": 6.0
+        "wire_width": 6
      }
    ],
    "meta": {
-      "version": 2
+      "version": 4
    },
-    "net_colors": null
+    "net_colors": null,
+    "netclass_assignments": null,
+    "netclass_patterns": []
  },
  "pcbnew": {
    "last_paths": {
      "gencad": "",
      "idf": "",
      "netlist": "Rehoiler SMD.net",
+      "plot": "",
+      "pos_files": "",
      "specctra_dsn": "",
      "step": "",
+      "svg": "",
      "vrml": ""
    },
    "page_layout_descr_file": ""
  },
  "schematic": {
    "annotate_start_num": 0,
+    "bom_export_filename": "${PROJECTNAME}.csv",
+    "bom_fmt_presets": [],
+    "bom_fmt_settings": {
+      "field_delimiter": ",",
+      "keep_line_breaks": false,
+      "keep_tabs": false,
+      "name": "CSV",
+      "ref_delimiter": ",",
+      "ref_range_delimiter": "",
+      "string_delimiter": "\""
+    },
+    "bom_presets": [],
+    "bom_settings": {
+      "exclude_dnp": false,
+      "fields_ordered": [
+        {
+          "group_by": false,
+          "label": "Reference",
+          "name": "Reference",
+          "show": true
+        },
+        {
+          "group_by": false,
+          "label": "Qty",
+          "name": "${QUANTITY}",
+          "show": true
+        },
+        {
+          "group_by": true,
+          "label": "Value",
+          "name": "Value",
+          "show": true
+        },
+        {
+          "group_by": true,
+          "label": "DNP",
+          "name": "${DNP}",
+          "show": true
+        },
+        {
+          "group_by": true,
+          "label": "Exclude from BOM",
+          "name": "${EXCLUDE_FROM_BOM}",
+          "show": true
+        },
+        {
+          "group_by": true,
+          "label": "Exclude from Board",
+          "name": "${EXCLUDE_FROM_BOARD}",
+          "show": true
+        },
+        {
+          "group_by": true,
+          "label": "Footprint",
+          "name": "Footprint",
+          "show": true
+        },
+        {
+          "group_by": false,
+          "label": "Datasheet",
+          "name": "Datasheet",
+          "show": true
+        }
+      ],
+      "filter_string": "",
+      "group_symbols": true,
+      "include_excluded_from_bom": true,
+      "name": "Default Editing",
+      "sort_asc": true,
+      "sort_field": "Referenz"
+    },
+    "connection_grid_size": 50.0,
    "drawing": {
+      "dashed_lines_dash_length_ratio": 12.0,
+      "dashed_lines_gap_length_ratio": 3.0,
      "default_line_thickness": 6.0,
      "default_text_size": 50.0,
      "field_names": [],
@@ -408,6 +703,11 @@
      "intersheets_ref_suffix": "",
      "junction_size_choice": 3,
      "label_size_ratio": 0.25,
+      "operating_point_overlay_i_precision": 3,
+      "operating_point_overlay_i_range": "~A",
+      "operating_point_overlay_v_precision": 3,
+      "operating_point_overlay_v_range": "~V",
+      "overbar_offset_ratio": 1.23,
      "pin_symbol_size": 25.0,
      "text_offset_ratio": 0.08
    },
@@ -423,20 +723,26 @@
      "meta": {
        "version": 0
      },
-      "model_mode": 0,
+      "model_mode": 4,
      "workbook_filename": ""
    },
    "page_layout_descr_file": "",
    "plot_directory": "",
+    "space_save_all_events": true,
    "spice_adjust_passive_values": false,
+    "spice_current_sheet_as_root": false,
    "spice_external_command": "spice \"%I\"",
+    "spice_model_current_sheet_as_root": true,
+    "spice_save_all_currents": false,
+    "spice_save_all_dissipations": false,
+    "spice_save_all_voltages": false,
    "subpart_first_id": 65,
    "subpart_id_separator": 0
  },
  "sheets": [
    [
      "b1ddb058-f7b2-429c-9489-f4e2242ad7e5",
-      ""
+      "Root"
    ]
  ],
  "text_variables": {}
--- a/Hardware/oiler
+++ b/Hardware/oiler
--- a/Hardware/oiler
+++ b/Hardware/oiler
@@ -1,257 +0,0 @@
-update=03.01.2022 00:33:13
-version=1
-last_client=kicad
-[general]
-version=1
-RootSch=
-BoardNm=
-[cvpcb]
-version=1
-NetIExt=net
-[eeschema]
-version=1
-LibDir=
-[eeschema/libraries]
-[schematic_editor]
-version=1
-PageLayoutDescrFile=
-PlotDirectoryName=
-SubpartIdSeparator=0
-SubpartFirstId=65
-NetFmtName=Pcbnew
-SpiceAjustPassiveValues=0
-LabSize=50
-ERC_TestSimilarLabels=1
-[pcbnew]
-version=1
-PageLayoutDescrFile=
-LastNetListRead=Rehoiler SMD.net
-CopperLayerCount=2
-BoardThickness=1.6
-AllowMicroVias=0
-AllowBlindVias=0
-RequireCourtyardDefinitions=0
-ProhibitOverlappingCourtyards=1
-MinTrackWidth=0.2
-MinViaDiameter=0.4
-MinViaDrill=0.3
-MinMicroViaDiameter=0.2
-MinMicroViaDrill=0.09999999999999999
-MinHoleToHole=0.25
-TrackWidth1=0.25
-TrackWidth2=0.5
-TrackWidth3=1
-TrackWidth4=2
-ViaDiameter1=0.8
-ViaDrill1=0.4
-ViaDiameter2=0.7
-ViaDrill2=0.35
-ViaDiameter3=1
-ViaDrill3=0.6
-ViaDiameter4=2
-ViaDrill4=1
-dPairWidth1=0.2
-dPairGap1=0.25
-dPairViaGap1=0.25
-SilkLineWidth=0.12
-SilkTextSizeV=1
-SilkTextSizeH=1
-SilkTextSizeThickness=0.15
-SilkTextItalic=0
-SilkTextUpright=1
-CopperLineWidth=0.2
-CopperTextSizeV=1.5
-CopperTextSizeH=1.5
-CopperTextThickness=0.3
-CopperTextItalic=0
-CopperTextUpright=1
-EdgeCutLineWidth=0.05
-CourtyardLineWidth=0.05
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-[pcbnew/Layer.F.Cu]
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--- a/Hardware/oiler
+++ b/Hardware/oiler
@@ -1,698 +0,0 @@
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-F 3 "~" H 7950 1850 50  0001 C CNN
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--- a/Hardware/sym-lib-table
+++ b/Hardware/sym-lib-table
@@ -0,0 +1,4 @@
+(sym_lib_table
+  (version 7)
+  (lib (name "MC33660")(type "Legacy")(uri "MC33660.lib")(options "")(descr ""))
+)
--- a/Software/data_src/static/dtc_table.json
+++ b/Software/data_src/static/dtc_table.json
@@ -1,6 +1,6 @@
 {
-    "codegenerator_checksum": "23dff82a4745f67041012080b05ec367c2dd44c6bb02974143b227ba49682b6f",
-    "timestamp": "2024-01-10 19:06:30",
+    "codegenerator_checksum": "15e9152fb712bc6ed7c3353a05b1b54dc697f3e489a6e1ff42b7e57f0fa094d4",
+    "timestamp": "2025-05-04 12:01:55",
    "dtc_table_data": [
        {
            "num": 0,
@@ -89,6 +89,31 @@
        },
        {
            "num": 17,
+            "title": "OBD2-KLine Timeout",
+            "description": "Die Anfrage über OBD2-KLine konnte nicht gesendet werden. Prüfen Sie den K-Line-Treiber (z. B. L9637D) und die Verkabelung."
+        },
+        {
+            "num": 18,
+            "title": "OBD2-CAN Timeout",
+            "description": "Die Anfrage an das Steuergerät über OBD2-CAN konnte nicht gesendet werden. Prüfen Sie die Verbindung zum CAN-Modul und die OBD2-Konfiguration."
+        },
+        {
+            "num": 19,
+            "title": "Keine OBD2-CAN Antwort",
+            "description": "Es wurde innerhalb der erwarteten Zeit keine Antwort vom Steuergerät über OBD2-CAN empfangen. Prüfen Sie, ob das Fahrzeug OBD2 unterstützt und die Verbindung korrekt ist."
+        },
+        {
+            "num": 20,
+            "title": "Keine OBD2-KLine Antwort",
+            "description": "Es wurde innerhalb der erwarteten Zeit keine Antwort über OBD2-KLine empfangen. Prüfen Sie die Verbindung zum Steuergerät und die Protokollkompatibilität."
+        },
+        {
+            "num": 21,
+            "title": "OBD2-KLine Antwort ungültig",
+            "description": "Das empfangene Frame war unvollständig oder entsprach nicht dem erwarteten OBD2-Format. Möglicherweise inkompatibles Steuergerät."
+        },
+        {
+            "num": 22,
            "title": "Last Error",
            "description": "Last Error"
        }
--- a/Software/include/can.h
+++ b/Software/include/can.h
@@ -32,7 +32,6 @@ struct can_frame

 // Function prototypes
 void Init_CAN();
-void CAN_Process();
 uint32_t Process_CAN_WheelSpeed();

 #endif
--- a/Software/include/common.h
+++ b/Software/include/common.h
@@ -85,7 +85,9 @@ typedef enum SpeedSource_e
 #endif
  SOURCE_IMPULSE,
  SOURCE_GPS,
-  SOURCE_CAN
+  SOURCE_CAN,
+  SOURCE_OBD2_KLINE,
+  SOURCE_OBD2_CAN
 } SpeedSource_t;

 // String representation of SpeedSource enum
--- a/Software/include/dtc_defs.h
+++ b/Software/include/dtc_defs.h
@@ -7,10 +7,10 @@
 * It includes enums for DTC active status, severity levels, and specific DTC codes.
 * The file also defines an array of DTC definitions and a timestamp indicating the generation time.
 *
- * @note This file is auto-generated by a script on 2024-01-10 18:37:05.
+ * @note This file is auto-generated by a script on 2025-05-04 12:01:55.
 *
 * @author Marcel Peterkau
- * @date   10.01.2024
+ * @date   04.05.2025
 */

 #ifndef DTC_DEFS_H
@@ -57,7 +57,12 @@ typedef struct {
 #define DTC_FAKE_DTC_INFO              14
 #define DTC_FAKE_DTC_WARN              15
 #define DTC_FAKE_DTC_CRIT              16
-#define DTC_LAST_DTC                   17
+#define DTC_OBD2_KLINE_TIMEOUT         17
+#define DTC_OBD2_CAN_TIMEOUT           18
+#define DTC_OBD2_CAN_NO_RESPONSE       19
+#define DTC_OBD2_KLINE_NO_RESPONSE     20
+#define DTC_OBD2_KLINE_BAD_FRAME       21
+#define DTC_LAST_DTC                   22

 const DTC_t dtc_definitions[] = {
    { DTC_NO_DTC                    , DTC_NONE     }, // No Error
@@ -77,9 +82,14 @@ const DTC_t dtc_definitions[] = {
    { DTC_FAKE_DTC_INFO             , DTC_INFO     }, // Ein Dummy-DTC der Schwere "Info" für Debugging-Zwecke
    { DTC_FAKE_DTC_WARN             , DTC_WARN     }, // Ein Dummy-DTC der Schwere "Warnung" für Debugging-Zwecke
    { DTC_FAKE_DTC_CRIT             , DTC_CRITICAL }, // Ein Dummy-DTC der Schwere "Kritisch" für Debugging-Zwecke
+    { DTC_OBD2_KLINE_TIMEOUT        , DTC_CRITICAL }, // Die Anfrage über OBD2-KLine konnte nicht gesendet werden. Prüfen Sie den K-Line-Treiber (z. B. L9637D) und die Verkabelung.
+    { DTC_OBD2_CAN_TIMEOUT          , DTC_CRITICAL }, // Die Anfrage an das Steuergerät über OBD2-CAN konnte nicht gesendet werden. Prüfen Sie die Verbindung zum CAN-Modul und die OBD2-Konfiguration.
+    { DTC_OBD2_CAN_NO_RESPONSE      , DTC_WARN     }, // Es wurde innerhalb der erwarteten Zeit keine Antwort vom Steuergerät über OBD2-CAN empfangen. Prüfen Sie, ob das Fahrzeug OBD2 unterstützt und die Verbindung korrekt ist.
+    { DTC_OBD2_KLINE_NO_RESPONSE    , DTC_WARN     }, // Es wurde innerhalb der erwarteten Zeit keine Antwort über OBD2-KLine empfangen. Prüfen Sie die Verbindung zum Steuergerät und die Protokollkompatibilität.
+    { DTC_OBD2_KLINE_BAD_FRAME      , DTC_WARN     }, // Das empfangene Frame war unvollständig oder entsprach nicht dem erwarteten OBD2-Format. Möglicherweise inkompatibles Steuergerät.
    { DTC_LAST_DTC                  , DTC_NONE     }  // Last Error
 };

 #endif // DTC_DEFS_H

-// CODEGENERATOR_CHECKSUM: 23dff82a4745f67041012080b05ec367c2dd44c6bb02974143b227ba49682b6f
+// CODEGENERATOR_CHECKSUM: 15e9152fb712bc6ed7c3353a05b1b54dc697f3e489a6e1ff42b7e57f0fa094d4
--- a/Software/include/obd2_can.h
+++ b/Software/include/obd2_can.h
@@ -0,0 +1,10 @@
+#ifndef _OBD2_CAN_H_
+#define _OBD2_CAN_H_
+
+#include <Arduino.h>
+
+// === Funktionen ===
+void Init_OBD2_CAN();
+uint32_t Process_OBD2_CAN_Speed(); 
+
+#endif
--- a/Software/include/obd2_kline.h
+++ b/Software/include/obd2_kline.h
@@ -0,0 +1,10 @@
+#ifndef _OBD2_KLINE_H_
+#define _OBD2_KLINE_H_
+
+#include <Arduino.h>
+
+// === Funktionen ===
+void Init_OBD2_KLine(Stream &serial);   // Übergib z.B. SoftwareSerial oder Serial1
+uint32_t Process_OBD2_KLine_Speed();    // liefert mm seit letztem Aufruf
+
+#endif
--- a/Software/src/can.cpp
+++ b/Software/src/can.cpp
@@ -49,21 +49,6 @@ void Init_CAN()
    CAN0.setMode(MCP_NORMAL);
 }

-/**
- * @brief Processes CAN messages and sends a CAN debug message periodically.
- *
- * This function processes CAN messages and sends a CAN debug message periodically based on a time interval.
- */
-void CAN_Process()
-{
-    static uint32_t previousMillis = 0;
-
-    if (millis() - previousMillis >= 100)
-    {
-        sendCANDebugMessage();
-        previousMillis = millis();
-    }
-}
 /**
 * @brief Processes CAN messages to determine the wheel speed based on the configured CAN source.
 *
@@ -115,6 +100,16 @@ uint32_t Process_CAN_WheelSpeed()
        MaintainDTC(DTC_NO_CAN_SIGNAL, (millis() > lastRecTimestamp + 10000 ? true : false));
    }

+#ifdef CAN_DEBUG_MESSAGE
+    static uint32_t previousMillis = 0;
+
+    if (millis() - previousMillis >= 1000)
+    {
+        sendCANDebugMessage();
+        previousMillis = millis();
+    }
+#endif
+
    return milimeters_to_add;
 }

--- a/Software/src/common.cpp
+++ b/Software/src/common.cpp
@@ -7,8 +7,10 @@ const char *SpeedSourceString[] = {
 #endif
    "Impuls",
    "GPS",
-    "CAN-Bus"
-    };
+    "CAN-Bus",
+    "OBD2 (K-Line)",
+    "OBD2 (CAN)",
+};

 const size_t SpeedSourceString_Elements = sizeof(SpeedSourceString) / sizeof(SpeedSourceString[0]);

@@ -19,14 +21,15 @@ const char *GPSBaudRateString[] = {
    "19200",
    "38400",
    "57600",
-    "115200"
-    };
+    "115200",
+};

 const size_t GPSBaudRateString_Elements = sizeof(GPSBaudRateString) / sizeof(GPSBaudRateString[0]);

 // String representation of CANSource enum
 const char *CANSourceString[] = {
    "KTM 890 Adventure R (2021)",
-    "KTM 1290 Superduke R (2023)"};
+    "KTM 1290 Superduke R (2023)",
+};

 const size_t CANSourceString_Elements = sizeof(CANSourceString) / sizeof(CANSourceString[0]);
--- a/Software/src/dtc_defs.txt
+++ b/Software/src/dtc_defs.txt
@@ -1,18 +1,23 @@
-# No. |                 DTC-Constant |      Severity |                 Title | Description     
-#-----|------------------------------|---------------|-----------------------|----------------------------------------------------------------------------------------------------------------------------------------------------
-    1;                DTC_TANK_EMPTY;   DTC_CRITICAL;          Ölvorrat leer;  Ölvorrat ist komplett leer. Den Ölvorrat auffüllen und im Menu 'Wartung' zurück setzen
-    2;                  DTC_TANK_LOW;       DTC_WARN;       Ölvorrat niedrig;  Ölvorrat ist unter der Warnschwelle. Den Ölvorrat demnächst auffüllen und im Menu 'Wartung' zurück setzen
-    3;           DTC_NO_EEPROM_FOUND;   DTC_CRITICAL;    kein EEPROM erkannt;  Es wurde kein EEPROM gefunden. Dies lässt einen Hardware-Defekt vermuten.
-    4;            DTC_EEPROM_CFG_BAD;   DTC_CRITICAL;  EEPROM CFG Checksumme;  Die Checksumme der Config-Partition des EEPROM ist ungültig. Setzen sie den EEPROM-Bereich 'CFG' im Menu 'Wartung' zurück
-    5;            DTC_EEPROM_PDS_BAD;   DTC_CRITICAL;  EEPROM PDS Checksumme;  Die Checksumme der Betriebsdaten-Partition des EEPROM ist ungültig. Setzen sie den EEPROM-Bereich 'PDS' im Menu 'Wartung' zurück
-    6;      DTC_EEPROM_PDSADRESS_BAD;   DTC_CRITICAL;     EEPROM PDS Adresse;  Die Adresse der Betriebsdaten-Partition im EEPROM ist ungültig. Setzen sie den EEPROM-Bereich 'PDS' im Menu 'Wartung' zurück
-    7;        DTC_EEPROM_VERSION_BAD;   DTC_CRITICAL;  EEPROM Version falsch;  Die Layout-Version des EEPROM stimmt nicht mit der Firmware-Version überein. Setzen sie den EEPROM-Bereich 'CFG' im Menu 'Wartung' zurück
-    8;             DTC_FLASHFS_ERROR;   DTC_CRITICAL;   Flashspeicher Fehler;  Der Flashspeicher konnte nicht initialisiert werden. Aktualisieren sie Flash & Firmware
-    9;     DTC_FLASHFS_VERSION_ERROR;   DTC_CRITICAL;    Flashversion falsch;  Die Version des Flashspeicher stimmt nicht mit der Firmware-Version überein. Aktualisieren sie den Flash mit der passenden Update-Datei
-   10;             DTC_NO_GPS_SERIAL;   DTC_CRITICAL;   Keine GPS-Verbindung;  Es wurde kein GPS-Signal über die serielle Schnittstelle empfangen, Prüfen sie die Verbindung und das GPS-Modul
-   11;    DTC_CAN_TRANSCEIVER_FAILED;   DTC_CRITICAL;  CAN-Transceiver Error;  Es konnte keine Verbindung zum CAN-Transceiver hergestellt werden. Prüfen Sie die Hardware auf Defekte
-   12;             DTC_NO_CAN_SIGNAL;       DTC_WARN;   Keine CAN-Verbindung;  Es konnte kein CAN-Signal empfangen werden. Prüfen sie die Verbindung und die Einstellungen
-   13;         DTC_EEPROM_CFG_SANITY;       DTC_WARN;     Config-Validierung;  Ein oder mehrer Einstellungswerte sind ausserhalb plausibler Werte. Prüfen Sie Ihre Einstellungen
-   14;             DTC_FAKE_DTC_INFO;       DTC_INFO;         Dummy-DTC Info;  Ein Dummy-DTC der Schwere "Info" für Debugging-Zwecke
-   15;             DTC_FAKE_DTC_WARN;       DTC_WARN;      Dummy-DTC Warnung;  Ein Dummy-DTC der Schwere "Warnung" für Debugging-Zwecke
-   16;             DTC_FAKE_DTC_CRIT;   DTC_CRITICAL;     Dummy-DTC Kritisch;  Ein Dummy-DTC der Schwere "Kritisch" für Debugging-Zwecke
+# No. |                 DTC-Constant |      Severity |                      Title | Description     
+#-----|------------------------------|---------------|----------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------
+    1;                DTC_TANK_EMPTY;   DTC_CRITICAL;               Ölvorrat leer;  Ölvorrat ist komplett leer. Den Ölvorrat auffüllen und im Menu 'Wartung' zurück setzen
+    2;                  DTC_TANK_LOW;       DTC_WARN;            Ölvorrat niedrig;  Ölvorrat ist unter der Warnschwelle. Den Ölvorrat demnächst auffüllen und im Menu 'Wartung' zurück setzen
+    3;           DTC_NO_EEPROM_FOUND;   DTC_CRITICAL;         kein EEPROM erkannt;  Es wurde kein EEPROM gefunden. Dies lässt einen Hardware-Defekt vermuten.
+    4;            DTC_EEPROM_CFG_BAD;   DTC_CRITICAL;       EEPROM CFG Checksumme;  Die Checksumme der Config-Partition des EEPROM ist ungültig. Setzen sie den EEPROM-Bereich 'CFG' im Menu 'Wartung' zurück
+    5;            DTC_EEPROM_PDS_BAD;   DTC_CRITICAL;       EEPROM PDS Checksumme;  Die Checksumme der Betriebsdaten-Partition des EEPROM ist ungültig. Setzen sie den EEPROM-Bereich 'PDS' im Menu 'Wartung' zurück
+    6;      DTC_EEPROM_PDSADRESS_BAD;   DTC_CRITICAL;          EEPROM PDS Adresse;  Die Adresse der Betriebsdaten-Partition im EEPROM ist ungültig. Setzen sie den EEPROM-Bereich 'PDS' im Menu 'Wartung' zurück
+    7;        DTC_EEPROM_VERSION_BAD;   DTC_CRITICAL;       EEPROM Version falsch;  Die Layout-Version des EEPROM stimmt nicht mit der Firmware-Version überein. Setzen sie den EEPROM-Bereich 'CFG' im Menu 'Wartung' zurück
+    8;             DTC_FLASHFS_ERROR;   DTC_CRITICAL;        Flashspeicher Fehler;  Der Flashspeicher konnte nicht initialisiert werden. Aktualisieren sie Flash & Firmware
+    9;     DTC_FLASHFS_VERSION_ERROR;   DTC_CRITICAL;         Flashversion falsch;  Die Version des Flashspeicher stimmt nicht mit der Firmware-Version überein. Aktualisieren sie den Flash mit der passenden Update-Datei
+   10;             DTC_NO_GPS_SERIAL;   DTC_CRITICAL;        Keine GPS-Verbindung;  Es wurde kein GPS-Signal über die serielle Schnittstelle empfangen, Prüfen sie die Verbindung und das GPS-Modul
+   11;    DTC_CAN_TRANSCEIVER_FAILED;   DTC_CRITICAL;       CAN-Transceiver Error;  Es konnte keine Verbindung zum CAN-Transceiver hergestellt werden. Prüfen Sie die Hardware auf Defekte
+   12;             DTC_NO_CAN_SIGNAL;       DTC_WARN;        Keine CAN-Verbindung;  Es konnte kein CAN-Signal empfangen werden. Prüfen sie die Verbindung und die Einstellungen
+   13;         DTC_EEPROM_CFG_SANITY;       DTC_WARN;          Config-Validierung;  Ein oder mehrer Einstellungswerte sind ausserhalb plausibler Werte. Prüfen Sie Ihre Einstellungen
+   14;             DTC_FAKE_DTC_INFO;       DTC_INFO;              Dummy-DTC Info;  Ein Dummy-DTC der Schwere "Info" für Debugging-Zwecke
+   15;             DTC_FAKE_DTC_WARN;       DTC_WARN;           Dummy-DTC Warnung;  Ein Dummy-DTC der Schwere "Warnung" für Debugging-Zwecke
+   16;             DTC_FAKE_DTC_CRIT;   DTC_CRITICAL;          Dummy-DTC Kritisch;  Ein Dummy-DTC der Schwere "Kritisch" für Debugging-Zwecke
+   17;        DTC_OBD2_KLINE_TIMEOUT;   DTC_CRITICAL;          OBD2-KLine Timeout;  Die Anfrage über OBD2-KLine konnte nicht gesendet werden. Prüfen Sie den K-Line-Treiber (z. B. L9637D) und die Verkabelung.
+   18;          DTC_OBD2_CAN_TIMEOUT;   DTC_CRITICAL;            OBD2-CAN Timeout;  Die Anfrage an das Steuergerät über OBD2-CAN konnte nicht gesendet werden. Prüfen Sie die Verbindung zum CAN-Modul und die OBD2-Konfiguration.
+   19;      DTC_OBD2_CAN_NO_RESPONSE;       DTC_WARN;      Keine OBD2-CAN Antwort;  Es wurde innerhalb der erwarteten Zeit keine Antwort vom Steuergerät über OBD2-CAN empfangen. Prüfen Sie, ob das Fahrzeug OBD2 unterstützt und die Verbindung korrekt ist.
+   20;    DTC_OBD2_KLINE_NO_RESPONSE;       DTC_WARN;    Keine OBD2-KLine Antwort;  Es wurde innerhalb der erwarteten Zeit keine Antwort über OBD2-KLine empfangen. Prüfen Sie die Verbindung zum Steuergerät und die Protokollkompatibilität.
+   21;      DTC_OBD2_KLINE_BAD_FRAME;       DTC_WARN; OBD2-KLine Antwort ungültig;  Das empfangene Frame war unvollständig oder entsprach nicht dem erwarteten OBD2-Format. Möglicherweise inkompatibles Steuergerät.
--- a/Software/src/main.cpp
+++ b/Software/src/main.cpp
@@ -37,6 +37,8 @@
 #include "gps.h"
 #include "dtc.h"
 #include "led_colors.h"
+#include "obd2_kline.h"
+#include "obd2_can.h"

 #ifdef FEATURE_ENABLE_WIFI_CLIENT
 #include <ESP8266WiFiMulti.h>
@@ -154,6 +156,16 @@ void setup()
    wheelSpeedcapture = &Process_Impulse_WheelSpeed;
    Serial.print("\nPulse-Input Init done");
    break;
+  case SOURCE_OBD2_KLINE:
+    Init_OBD2_KLine(Serial);
+    wheelSpeedcapture = &Process_OBD2_KLine_Speed;
+    Serial.print("\nOBD2-KLine-Init done");
+    break;
+  case SOURCE_OBD2_CAN:
+    Init_OBD2_CAN();
+    wheelSpeedcapture = &Process_OBD2_CAN_Speed;
+    Serial.print("\nOBD2-CAN-Init done");
+    break;
  default:
    break;
  }
@@ -227,19 +239,14 @@ void setup()
 void loop()
 {
  // Run lubrication application with the calculated wheel distance
-  RunLubeApp(wheelSpeedcapture());
+  if (wheelSpeedcapture != nullptr)
+    RunLubeApp(wheelSpeedcapture());

 #ifdef FEATURE_ENABLE_OLED
  // Update OLED display if enabled
  Display_Process();
 #endif

-  // Process CAN messages if the speed source is not impulse
-  if (LubeConfig.SpeedSource != SOURCE_IMPULSE)
-  {
-    CAN_Process();
-  }
-
  // Process button input, manage LED behavior, perform EEPROM tasks, handle webserver operations,
  // process Diagnostic Trouble Codes (DTC), and manage debugging
  Button_Process();
--- a/Software/src/obd2_can.cpp
+++ b/Software/src/obd2_can.cpp
@@ -0,0 +1,84 @@
+#include "obd2_can.h"
+#include <mcp_can.h>
+#include <SPI.h>
+#include "common.h"
+#include "globals.h"
+#include "dtc.h"
+#include "debugger.h"
+
+// === Setup: MCP2515 CS-Pin definieren ===
+#define OBD2_CAN_CS_PIN 10
+#define OBD2_OBD_REQUEST_ID 0x7DF
+#define OBD2_OBD_RESPONSE_ID 0x7E8
+
+MCP_CAN OBD_CAN(OBD2_CAN_CS_PIN);
+
+static uint32_t lastQueryTime = 0;
+static uint32_t lastRecvTime = 0;
+static uint32_t lastSpeedMMperSec = 0;
+
+#define OBD2_QUERY_INTERVAL 500 // alle 500ms
+
+void Init_OBD2_CAN()
+{
+    if (OBD_CAN.begin(MCP_STD, CAN_500KBPS, MCP_16MHZ) != CAN_OK)
+    {
+        Serial.println("OBD2 CAN Init FAILED!");
+        return;
+    }
+
+    OBD_CAN.setMode(MCP_NORMAL);
+    delay(100);
+    Serial.println("OBD2 CAN Init OK");
+}
+
+uint32_t Process_OBD2_CAN_Speed()
+{
+    if (millis() - lastQueryTime < OBD2_QUERY_INTERVAL)
+        return 0;
+
+    lastQueryTime = millis();
+
+    // Anfrage: 01 0D → Geschwindigkeit
+    byte obdRequest[8] = {0x02, 0x01, 0x0D, 0x00, 0x00, 0x00, 0x00, 0x00};
+    byte sendStat = OBD_CAN.sendMsgBuf(OBD2_OBD_REQUEST_ID, 0, 8, obdRequest);
+
+    if (sendStat != CAN_OK)
+    {
+        MaintainDTC(DTC_OBD2_CAN_TIMEOUT, true);
+        Debug_pushMessage("OBD2_CAN: send failed (%d)\n", sendStat);
+        return 0;
+    }
+
+    unsigned long rxId;
+    byte len = 0;
+    byte rxBuf[8];
+    uint32_t timeout = millis() + 100;
+
+    while (millis() < timeout)
+    {
+        if (OBD_CAN.checkReceive() == CAN_MSGAVAIL)
+        {
+            OBD_CAN.readMsgBuf(&rxId, &len, rxBuf);
+            if ((rxId & 0xFFF8) == OBD2_OBD_RESPONSE_ID && rxBuf[1] == 0x0D)
+            {
+                MaintainDTC(DTC_OBD2_CAN_NO_RESPONSE, false); // alles ok
+
+                uint8_t speed_kmh = rxBuf[3];
+                uint32_t speed_mm_per_sec = (uint32_t)speed_kmh * 1000000 / 3600;
+                uint32_t dt = millis() - lastRecvTime;
+                lastRecvTime = millis();
+                lastSpeedMMperSec = speed_mm_per_sec;
+
+                Debug_pushMessage("OBD2_CAN: %d km/h (%lu mm/s)\n", speed_kmh, speed_mm_per_sec);
+                return (speed_mm_per_sec * dt) / 1000;
+            }
+        }
+    }
+
+    // Keine Antwort erhalten
+    MaintainDTC(DTC_OBD2_CAN_NO_RESPONSE, true);
+    Debug_pushMessage("OBD2_CAN: no response within timeout\n");
+    return 0;
+}
+
--- a/Software/src/obd2_kline.cpp
+++ b/Software/src/obd2_kline.cpp
@@ -0,0 +1,74 @@
+#include "obd2_kline.h"
+
+// === Konstante für Anfrageintervalle ===
+#define OBD2_QUERY_INTERVAL 500 // alle 500 ms neue Anfrage
+
+// === Private Variablen ===
+static Stream *klineSerial = nullptr;
+static uint32_t lastQueryTime = 0;
+static uint32_t lastRecvTime = 0;
+static uint32_t lastSpeedMMperSec = 0;
+
+// === Slow Init nach ISO9141-2 ===
+void OBD2_KLine_SlowInit()
+{
+    pinMode(1, OUTPUT); // TXD-Pin (z.B. D1)
+    digitalWrite(1, HIGH);
+    delay(3000);
+
+    digitalWrite(1, LOW);
+    delay(200); // 200ms
+    digitalWrite(1, HIGH);
+    delay(400); // 400ms
+    digitalWrite(1, LOW);
+    delay(400); // 400ms
+    digitalWrite(1, HIGH);
+    delay(200); // 200ms
+
+    // zurück auf Serialbetrieb
+    pinMode(1, INPUT);
+    delay(300);
+}
+
+// === Initialisierung ===
+void Init_OBD2_KLine(Stream &serial)
+{
+    klineSerial = &serial;
+    OBD2_KLine_SlowInit();
+    delay(100);
+
+    // Sende 01 0D (Vehicle Speed)
+    byte speedRequest[] = {0x68, 0x6A, 0xF1, 0x01, 0x0D}; // OBD2 PID-Request
+    klineSerial->write(speedRequest, sizeof(speedRequest));
+}
+
+// === Geschwindigkeit abfragen ===
+uint32_t Process_OBD2_KLine_Speed()
+{
+    if (!klineSerial || (millis() - lastQueryTime < OBD2_QUERY_INTERVAL)) return 0;
+
+    byte req[] = {0x68, 0x6A, 0xF1, 0x01, 0x0D};
+    klineSerial->write(req, sizeof(req));
+    lastQueryTime = millis();
+
+    uint8_t buf[16];
+    size_t len = klineSerial->readBytes(buf, sizeof(buf));
+    for (size_t i = 0; i < len - 2; ++i)
+    {
+        if (buf[i] == 0x48 && buf[i + 1] == 0x6B && buf[i + 2] == 0x10)
+        {
+            if (buf[i + 3] == 0x41 && buf[i + 4] == 0x0D)
+            {
+                uint8_t speed_kmh = buf[i + 5];
+                uint32_t speed_mm_per_sec = (uint32_t)speed_kmh * 1000000 / 3600;
+                uint32_t dt = millis() - lastRecvTime;
+                lastRecvTime = millis();
+                lastSpeedMMperSec = speed_mm_per_sec;
+
+                return (speed_mm_per_sec * dt) / 1000;
+            }
+        }
+    }
+
+    return 0;
+}
Author	SHA1	Message	Date
Marcel Peterkau	8cf310e634	added OBD2-KLine Interface	2025-05-05 00:05:56 +02:00
Marcel Peterkau	1ee326fd57	added first code for OBD2 via CAN and K-Line	2025-05-04 12:03:52 +02:00