examples/j1939/j1939_parse.json

   1
   2 {   "name": "Virtual J1939",
   3         "extra_sources": [],
   4         "initializers": [],
   5         "loopers": [],
   6         "buses": {},
   7         "commands": [],
   8         "messages": {
   9                 "61442": {
  10                         "comment": "Electronic Transmission Controller 1",
  11                         "length": 8,
  12                         "name": "ETC1",
  13                         "bus" : "j1939",
  14                         "is_j1939" : true,
  15                         "signals" : {
  16                                 "TrnsTrqueConverterLockupEngaged" : {
  17                                         "generic_name": "TrnsTrqueConverterLockupEngaged",
  18                                         "bit_position": 2,
  19                                         "bit_size": 2,
  20                                         "factor": 1,
  21                                         "offset": 0,
  22                                         "comment": "State signal which indicates whether the torque converter lockup is engaged.",
  23                                         "is_big_endian": false,
  24                                         "is_signed": false,
  25                                         "states": {
  26                                                 "TorqueConverterLockupDisengaged": [0],
  27                                                 "TorqueConverterLockupEngaged": [1],
  28                                                 "Error": [2],
  29                                                 "NotAvailable": [3]
  30                                         }
  31                                 },
  32                                 "TrnsTrqCnvrtrLckpTrnstnInPrcess" : {
  33                                         "generic_name": "TrnsTrqCnvrtrLckpTrnstnInPrcess",
  34                                         "bit_position": 6,
  35                                         "bit_size": 2,
  36                                         "factor": 1,
  37                                         "offset": 0,
  38                                         "comment": "State signal indicating whether or not the transmission torque converter lock up clutch is transitioning between being",
  39                                         "is_big_endian": false,
  40                                         "is_signed": false,
  41                                         "states": {
  42                                                 "TransitionIsNotInProcess": [0],
  43                                                 "TransitionIsInProcess": [1],
  44                                                 "Error": [2],
  45                                                 "NotAvailable": [3]
  46                                         }
  47                                 },
  48                                 "SrcAddrssOfCtrllngDvcFrTrnsCntrl" : {
  49                                         "generic_name": "SrcAddrssOfCtrllngDvcFrTrnsCntrl",
  50                                         "bit_position": 56,
  51                                         "bit_size": 8,
  52                                         "factor": 1,
  53                                         "offset": 0,
  54                                         "comment": "The source address of the SAE J1939 device currently controlling the transmission.",
  55                                         "is_big_endian": false,
  56                                         "is_signed": false
  57                                 },
  58                                 "MomentaryEngMaxPowerEnable" : {
  59                                         "generic_name": "MomentaryEngMaxPowerEnable",
  60                                         "bit_position": 36,
  61                                         "bit_size": 2,
  62                                         "factor": 1,
  63                                         "offset": 0,
  64                                         "comment": "Momentarily Requesting highest torque map from the engine control",
  65                                         "is_big_endian": false,
  66                                         "is_signed": false,
  67                                         "states": {
  68                                                 "notRqingMaxPowerAvailable": [0],
  69                                                 "mmntarilyRqingMaxPowerAvailable": [1],
  70                                                 "fault": [2],
  71                                                 "notAvailable": [3]
  72                                         }
  73                                 },
  74                                 "TransInputShaftSpeed" : {
  75                                         "generic_name": "TransInputShaftSpeed",
  76                                         "bit_position": 40,
  77                                         "bit_size": 16,
  78                                         "factor": 0.125,
  79                                         "offset": 0,
  80                                         "comment": "Rotational velocity of the primary shaft transferring power into the transmission.",
  81                                         "unit": "rpm",
  82                                         "is_big_endian": false,
  83                                         "is_signed": false
  84                                 },
  85                                 "ProgressiveShiftDisable" : {
  86                                         "generic_name": "ProgressiveShiftDisable",
  87                                         "bit_position": 34,
  88                                         "bit_size": 2,
  89                                         "factor": 1,
  90                                         "offset": 0,
  91                                         "comment": "Command signal used to indicate that progressive shifting by the engine should be disallowed.",
  92                                         "is_big_endian": false,
  93                                         "is_signed": false,
  94                                         "states": {
  95                                                 "ProgressiveShiftIsNotDisabled": [0],
  96                                                 "ProgressiveShiftIsDisabled": [1],
  97                                                 "Reserved": [2],
  98                                                 "TakeNoAction": [3]
  99                                         }
 100                                 },
 101                                 "EngMomentaryOverspeedEnable" : {
 102                                         "generic_name": "EngMomentaryOverspeedEnable",
 103                                         "bit_position": 32,
 104                                         "bit_size": 2,
 105                                         "factor": 1,
 106                                         "offset": 0,
 107                                         "comment": "Command signal used to indicate that the engine speed may be boosted up to the maximum engine overspeed value to",
 108                                         "is_big_endian": false,
 109                                         "is_signed": false,
 110                                         "states": {
 111                                                 "MomentaryEngOverspeedIsDisabled": [0],
 112                                                 "MomentaryEngOverspeedIsEnabled": [1],
 113                                                 "Reserved": [2],
 114                                                 "TakeNoAction": [3]
 115                                         }
 116                                 },
 117                                 "PercentClutchSlip" : {
 118                                         "generic_name": "PercentClutchSlip",
 119                                         "bit_position": 24,
 120                                         "bit_size": 8,
 121                                         "factor": 0.4,
 122                                         "offset": 0,
 123                                         "comment": "Parameter which represents the ratio of input shaft speed to current engine speed (in percent).",
 124                                         "unit": "%",
 125                                         "is_big_endian": false,
 126                                         "is_signed": false
 127                                 },
 128                                 "TransOutputShaftSpeed" : {
 129                                         "generic_name": "TransOutputShaftSpeed",
 130                                         "bit_position": 8,
 131                                         "bit_size": 16,
 132                                         "factor": 0.125,
 133                                         "offset": 0,
 134                                         "comment": "Calculated speed of the transmission output shaft.",
 135                                         "unit": "rpm",
 136                                         "is_big_endian": false,
 137                                         "is_signed": false
 138                                 },
 139                                 "TransShiftInProcess" : {
 140                                         "generic_name": "TransShiftInProcess",
 141                                         "bit_position": 4,
 142                                         "bit_size": 2,
 143                                         "factor": 1,
 144                                         "offset": 0,
 145                                         "comment": "Indicates that the transmission is in process of shifting from the current gear to the selected gear.",
 146                                         "is_big_endian": false,
 147                                         "is_signed": false,
 148                                         "states": {
 149                                                 "ShiftIsNotInProcess": [0],
 150                                                 "ShiftInProcess": [1],
 151                                                 "Error": [2],
 152                                                 "NotAvailable": [3]
 153                                         }
 154                                 },
 155                                 "TransDrivelineEngaged" : {
 156                                         "generic_name": "TransDrivelineEngaged",
 157                                         "bit_position": 0,
 158                                         "bit_size": 2,
 159                                         "factor": 1,
 160                                         "offset": 0,
 161                                         "comment": "Driveline engaged indicates the transmission controlled portion of the driveline is engaged sufficiently to allow a transfer",
 162                                         "is_big_endian": false,
 163                                         "is_signed": false,
 164                                         "states": {
 165                                                 "DrivelineDisengaged": [0],
 166                                                 "DrivelineEngaged": [1],
 167                                                 "Error": [2],
 168                                                 "NotAvailable": [3]
 169                                         }
 170                                 }
 171                         }
 172                 },
 173                 "61444": {
 174                         "comment": "Electronic Engine Controller 1",
 175                         "length": 8,
 176                         "name": "EEC1",
 177                         "bus" : "j1939",
 178                         "is_j1939" : true,
 179                         "signals" : {
 180                                 "SrcAddrssOfCtrllngDvcFrEngCntrl" : {
 181                                         "generic_name": "SrcAddrssOfCtrllngDvcFrEngCntrl",
 182                                         "bit_position": 40,
 183                                         "bit_size": 8,
 184                                         "factor": 1,
 185                                         "offset": 0,
 186                                         "comment": "The source address of the SAE J1939 device currently controlling the engine.",
 187                                         "is_big_endian": false,
 188                                         "is_signed": false
 189                                 },
 190                                 "ActlEngPrcntTrqueHighResolution" : {
 191                                         "generic_name": "ActlEngPrcntTrqueHighResolution",
 192                                         "bit_position": 4,
 193                                         "bit_size": 4,
 194                                         "factor": 0.125,
 195                                         "offset": 0,
 196                                         "comment": "This parameter displays an additional torque in percent of the reference engine torque.",
 197                                         "unit": "%",
 198                                         "is_big_endian": false,
 199                                         "is_signed": false,
 200                                         "states": {
 201                                                 "0000": [0],
 202                                                 "0125": [1],
 203                                                 "0875": [7],
 204                                                 "1111NotAvailable": [8]
 205                                         }
 206                                 },
 207                                 "EngDemandPercentTorque" : {
 208                                         "generic_name": "EngDemandPercentTorque",
 209                                         "bit_position": 56,
 210                                         "bit_size": 8,
 211                                         "factor": 1,
 212                                         "offset": -125,
 213                                         "comment": "The requested torque output of the engine by all dynamic internal inputs, including smoke control, noise control and low",
 214                                         "unit": "%",
 215                                         "is_big_endian": false,
 216                                         "is_signed": false
 217                                 },
 218                                 "EngStarterMode" : {
 219                                         "generic_name": "EngStarterMode",
 220                                         "bit_position": 48,
 221                                         "bit_size": 4,
 222                                         "factor": 1,
 223                                         "offset": 0,
 224                                         "comment": "There are several phases in a starting action and different reasons why a start cannot take place.",
 225                                         "is_big_endian": false,
 226                                         "is_signed": false,
 227                                         "states": {
 228                                                 "startNotRqed": [0],
 229                                                 "starterActiveGearNotEngaged": [1],
 230                                                 "starterActiveGearEngaged": [2],
 231                                                 "strtFnshdStrtrNtActvAftrHvngBnA": [3],
 232                                                 "strtrInhbtdDToEngAlreadyRunning": [4],
 233                                                 "strtrInhbtdDTEngNtReadyForStart": [5],
 234                                                 "strtrInhbtdDTDrvlnEnggdOthrTrns": [6],
 235                                                 "strtrInhbtdDToActiveImmobilizer": [7],
 236                                                 "strtrInhbtdDueToStarterOvertemp": [8],
 237                                                 "1011Reserved": [9],
 238                                                 "starterInhibitedReasonUnknown": [12],
 239                                                 "error": [14],
 240                                                 "notAvailable": [15]
 241                                         }
 242                                 },
 243                                 "EngSpeed" : {
 244                                         "generic_name": "EngSpeed",
 245                                         "bit_position": 24,
 246                                         "bit_size": 16,
 247                                         "factor": 0.125,
 248                                         "offset": 0,
 249                                         "comment": "Actual engine speed which is calculated over a minimum crankshaft angle of 720 degrees divided by the number of cylinders.",
 250                                         "unit": "rpm",
 251                                         "is_big_endian": false,
 252                                         "is_signed": false
 253                                 },
 254                                 "ActualEngPercentTorque" : {
 255                                         "generic_name": "ActualEngPercentTorque",
 256                                         "bit_position": 16,
 257                                         "bit_size": 8,
 258                                         "factor": 1,
 259                                         "offset": -125,
 260                                         "comment": "The calculated output torque of the engine.",
 261                                         "unit": "%",
 262                                         "is_big_endian": false,
 263                                         "is_signed": false
 264                                 },
 265                                 "DriversDemandEngPercentTorque" : {
 266                                         "generic_name": "DriversDemandEngPercentTorque",
 267                                         "bit_position": 8,
 268                                         "bit_size": 8,
 269                                         "factor": 1,
 270                                         "offset": -125,
 271                                         "comment": "The requested torque output of the engine by the driver.",
 272                                         "unit": "%",
 273                                         "is_big_endian": false,
 274                                         "is_signed": false
 275                                 },
 276                                 "EngTorqueMode" : {
 277                                         "generic_name": "EngTorqueMode",
 278                                         "bit_position": 0,
 279                                         "bit_size": 4,
 280                                         "factor": 1,
 281                                         "offset": 0,
 282                                         "comment": "State signal which indicates which engine torque mode is currently generating, limiting, or controlling the torque.",
 283                                         "is_big_endian": false,
 284                                         "is_signed": false,
 285                                         "states": {
 286                                                 "Low idle governor/no request (de": [0],
 287                                                 "Accelerator pedal/operator selec": [1],
 288                                                 "Cruise control": [2],
 289                                                 "PTO governor": [3],
 290                                                 "Road speed governor": [4],
 291                                                 "ASR control": [5],
 292                                                 "Transmission control": [6],
 293                                                 "ABS control": [7],
 294                                                 "Torque limiting": [8],
 295                                                 "High speed governor": [9],
 296                                                 "Braking system": [10],
 297                                                 "Remote accelerator": [11],
 298                                                 "Not available": [15]
 299                                         }
 300                                 }
 301                         }
 302                 },
 303                 "65253": {
 304                         "comment": "Engine Hours, Revolutions",
 305                         "length": 8,
 306                         "name": "HOURS",
 307                         "bus" : "j1939",
 308                         "is_j1939" : true,
 309                         "signals" : {
 310                                 "EngTotalRevolutions" : {
 311                                         "generic_name": "EngTotalRevolutions",
 312                                         "bit_position": 32,
 313                                         "bit_size": 32,
 314                                         "factor": 1000,
 315                                         "offset": 0,
 316                                         "comment": "Accumulated number of revolutions of engine crankshaft during its operation.",
 317                                         "unit": "r",
 318                                         "is_big_endian": false,
 319                                         "is_signed": false
 320                                 },
 321                                 "EngTotalHoursOfOperation" : {
 322                                         "generic_name": "EngTotalHoursOfOperation",
 323                                         "bit_position": 0,
 324                                         "bit_size": 32,
 325                                         "factor": 0.05,
 326                                         "offset": 0,
 327                                         "comment": "Accumulated time of operation of engine.",
 328                                         "unit": "hr",
 329                                         "is_big_endian": false,
 330                                         "is_signed": false
 331                                 }
 332                         }
 333                 },
 334                 "61449": {
 335                         "comment": "Vehicle Dynamic Stability Control 2",
 336                         "length": 8,
 337                         "name": "VDC2",
 338                         "bus" : "j1939",
 339                         "is_j1939" : true,
 340                         "signals" : {
 341                                 "SteerWheelAngle" : {
 342                                         "generic_name": "SteerWheelAngle",
 343                                         "bit_position": 0,
 344                                         "bit_size": 16,
 345                                         "factor": 0.0009765625,
 346                                         "offset": -31.374,
 347                                         "comment": "The main operator`s steering wheel angle (on the steering column, not the actual wheel angle).",
 348                                         "unit": "rad",
 349                                         "is_big_endian": false,
 350                                         "is_signed": false
 351                                 },
 352                                 "LongitudinalAcceleration" : {
 353                                         "generic_name": "LongitudinalAcceleration",
 354                                         "bit_position": 56,
 355                                         "bit_size": 8,
 356                                         "factor": 0.1,
 357                                         "offset": -12.5,
 358                                         "comment": "Indicates the longitudinal acceleration of the vehicle.",
 359                                         "unit": "m/s/s",
 360                                         "is_big_endian": false,
 361                                         "is_signed": false
 362                                 },
 363                                 "LateralAcceleration" : {
 364                                         "generic_name": "LateralAcceleration",
 365                                         "bit_position": 40,
 366                                         "bit_size": 16,
 367                                         "factor": 0.00048828125,
 368                                         "offset": -15.687,
 369                                         "comment": "Indicates a lateral acceleration of the vehicle.",
 370                                         "unit": "m/s/s",
 371                                         "is_big_endian": false,
 372                                         "is_signed": false
 373                                 },
 374                                 "YawRate" : {
 375                                         "generic_name": "YawRate",
 376                                         "bit_position": 24,
 377                                         "bit_size": 16,
 378                                         "factor": 0.0001220703125,
 379                                         "offset": -3.92,
 380                                         "comment": "Indicates the rotation about the vertical axis.",
 381                                         "unit": "rad/s",
 382                                         "is_big_endian": false,
 383                                         "is_signed": false
 384                                 },
 385                                 "SteerWheelAngleSensorType" : {
 386                                         "generic_name": "SteerWheelAngleSensorType",
 387                                         "bit_position": 22,
 388                                         "bit_size": 2,
 389                                         "factor": 1,
 390                                         "offset": 0,
 391                                         "comment": "Indicates whether the steering wheel angle sensor is capable of absolute measuring of the number of steering wheel",
 392                                         "is_big_endian": false,
 393                                         "is_signed": false,
 394                                         "states": {
 395                                                 "RelativeMeasuringPrinciple": [0],
 396                                                 "AbsMeasuringPrinciple": [1],
 397                                                 "Reserved": [2],
 398                                                 "NotAvailable": [3]
 399                                         }
 400                                 },
 401                                 "SteerWheelTurnCounter" : {
 402                                         "generic_name": "SteerWheelTurnCounter",
 403                                         "bit_position": 16,
 404                                         "bit_size": 6,
 405                                         "factor": 1,
 406                                         "offset": -32,
 407                                         "comment": "Indicates number of steering wheel turns, absolute position or relative position at ignition on.",
 408                                         "unit": "turns",
 409                                         "is_big_endian": false,
 410                                         "is_signed": false
 411                                 }
 412                         }
 413                 },
 414                 "65215": {
 415                         "comment": "Wheel Speed Information",
 416                         "length": 8,
 417                         "name": "EBC2",
 418                         "bus" : "j1939",
 419                         "is_j1939" : true,
 420                         "signals" : {
 421                                 "RlativeSpeedRearAxle2RightWheel" : {
 422                                         "generic_name": "RlativeSpeedRearAxle2RightWheel",
 423                                         "bit_position": 56,
 424                                         "bit_size": 8,
 425                                         "factor": 0.0625,
 426                                         "offset": -7.8125,
 427                                         "comment": "The speed of the rear axle #2, right wheel relative to the front axle speed, SPN 904.",
 428                                         "unit": "km/h",
 429                                         "is_big_endian": false,
 430                                         "is_signed": false
 431                                 },
 432                                 "RelativeSpeedRearAxle2LeftWheel" : {
 433                                         "generic_name": "RelativeSpeedRearAxle2LeftWheel",
 434                                         "bit_position": 48,
 435                                         "bit_size": 8,
 436                                         "factor": 0.0625,
 437                                         "offset": -7.8125,
 438                                         "comment": "The speed of the rear axle #2, left wheel relative to the front axle speed, SPN 904.",
 439                                         "unit": "km/h",
 440                                         "is_big_endian": false,
 441                                         "is_signed": false
 442                                 },
 443                                 "RlativeSpeedRearAxle1RightWheel" : {
 444                                         "generic_name": "RlativeSpeedRearAxle1RightWheel",
 445                                         "bit_position": 40,
 446                                         "bit_size": 8,
 447                                         "factor": 0.0625,
 448                                         "offset": -7.8125,
 449                                         "comment": "The speed of the rear axle #1, right wheel relative to the front axle speed, SPN 904.",
 450                                         "unit": "km/h",
 451                                         "is_big_endian": false,
 452                                         "is_signed": false
 453                                 },
 454                                 "RelativeSpeedRearAxle1LeftWheel" : {
 455                                         "generic_name": "RelativeSpeedRearAxle1LeftWheel",
 456                                         "bit_position": 32,
 457                                         "bit_size": 8,
 458                                         "factor": 0.0625,
 459                                         "offset": -7.8125,
 460                                         "comment": "The speed of the rear axle #1, left wheel relative to the front axle speed, SPN 904.",
 461                                         "unit": "km/h",
 462                                         "is_big_endian": false,
 463                                         "is_signed": false
 464                                 },
 465                                 "RlativeSpeedFrontAxleRightWheel" : {
 466                                         "generic_name": "RlativeSpeedFrontAxleRightWheel",
 467                                         "bit_position": 24,
 468                                         "bit_size": 8,
 469                                         "factor": 0.0625,
 470                                         "offset": -7.8125,
 471                                         "comment": "The speed of the front axle, right wheel relative to the front axle speed, SPN 904.",
 472                                         "unit": "km/h",
 473                                         "is_big_endian": false,
 474                                         "is_signed": false
 475                                 },
 476                                 "RelativeSpeedFrontAxleLeftWheel" : {
 477                                         "generic_name": "RelativeSpeedFrontAxleLeftWheel",
 478                                         "bit_position": 16,
 479                                         "bit_size": 8,
 480                                         "factor": 0.0625,
 481                                         "offset": -7.8125,
 482                                         "comment": "The speed of the front axle, left wheel relative to the front axle speed, SPN 904.",
 483                                         "unit": "km/h",
 484                                         "is_big_endian": false,
 485                                         "is_signed": false
 486                                 },
 487                                 "FrontAxleSpeed" : {
 488                                         "generic_name": "FrontAxleSpeed",
 489                                         "bit_position": 0,
 490                                         "bit_size": 16,
 491                                         "factor": 0.00390625,
 492                                         "offset": 0,
 493                                         "comment": "The average speed of the two front wheels.",
 494                                         "unit": "km/h",
 495                                         "is_big_endian": false,
 496                                         "is_signed": false
 497                                 }
 498                         }
 499                 },
 500                 "65262": {
 501                         "comment": "Engine Temperature 1",
 502                         "length": 8,
 503                         "name": "ET1",
 504                         "bus" : "j1939",
 505                         "is_j1939" : true,
 506                         "signals" : {
 507                                 "EngFuelTemp1" : {
 508                                         "generic_name": "EngFuelTemp1",
 509                                         "bit_position": 8,
 510                                         "bit_size": 8,
 511                                         "factor": 1,
 512                                         "offset": -40,
 513                                         "comment": "Temperature of fuel (or gas) passing through the first fuel control system.",
 514                                         "unit": "deg C",
 515                                         "is_big_endian": false,
 516                                         "is_signed": false
 517                                 },
 518                                 "EngIntercoolerThermostatOpening" : {
 519                                         "generic_name": "EngIntercoolerThermostatOpening",
 520                                         "bit_position": 56,
 521                                         "bit_size": 8,
 522                                         "factor": 0.4,
 523                                         "offset": 0,
 524                                         "comment": "The current position of the thermostat used to regulate the temperature of the engine intercooler.",
 525                                         "unit": "%",
 526                                         "is_big_endian": false,
 527                                         "is_signed": false
 528                                 },
 529                                 "EngIntercoolerTemp" : {
 530                                         "generic_name": "EngIntercoolerTemp",
 531                                         "bit_position": 48,
 532                                         "bit_size": 8,
 533                                         "factor": 1,
 534                                         "offset": -40,
 535                                         "comment": "Temperature of liquid found in the intercooler located after the turbocharger.",
 536                                         "unit": "deg C",
 537                                         "is_big_endian": false,
 538                                         "is_signed": false
 539                                 },
 540                                 "EngTurboOilTemp" : {
 541                                         "generic_name": "EngTurboOilTemp",
 542                                         "bit_position": 32,
 543                                         "bit_size": 16,
 544                                         "factor": 0.03125,
 545                                         "offset": -273,
 546                                         "comment": "Temperature of the turbocharger lubricant.",
 547                                         "unit": "deg C",
 548                                         "is_big_endian": false,
 549                                         "is_signed": false
 550                                 },
 551                                 "EngOilTemp1" : {
 552                                         "generic_name": "EngOilTemp1",
 553                                         "bit_position": 16,
 554                                         "bit_size": 16,
 555                                         "factor": 0.03125,
 556                                         "offset": -273,
 557                                         "comment": "Temperature of the engine lubricant.",
 558                                         "unit": "deg C",
 559                                         "is_big_endian": false,
 560                                         "is_signed": false
 561                                 },
 562                                 "EngCoolantTemp" : {
 563                                         "generic_name": "EngCoolantTemp",
 564                                         "bit_position": 0,
 565                                         "bit_size": 8,
 566                                         "factor": 0.03125,
 567                                         "offset": -273,
 568                                         "comment": "Temperature of liquid found in engine cooling system.",
 569                                         "unit": "deg C",
 570                                         "is_big_endian": false,
 571                                         "is_signed": false
 572                                 }
 573                         }
 574                 }
 575         }
 576 }