Arpara tracker disassembly

Hardware

Components and PCBs

Test points


Firmware

HWID

0x85020006

json

{
  "device": {
    "eye_target_height_in_pixels": 1920,
    "eye_target_width_in_pixels": 1920,
    "first_eye": "eEYE_LEFT",
    "last_eye": "eEYE_RIGHT",
    "num_windows": 1
  },
  "device_class": "hmd",
  "device_pid": 8960,
  "device_serial_number": "LHR-________",
  "device_vid": 10462,
  "display_edid": [
    "",
    ""
  ],
  "expected_bases": 2,
  "expected_controllers": 2,
  "firmware_config": {
    "mode": "hmd",
    "sensor_enable": "0xFEFEFEFE",
    "spi_flash": false
  },
  "head": {
    "plus_x": [
      -0.99999993154291644,
      -0,
      0
    ],
    "plus_z": [
      -0,
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    ],
    "position": [
      0,
      0,
      0
    ]
  },
  "imu": {
    "plus_x": [
      0,
      0,
      -1
    ],
    "plus_z": [
      0,
      1,
      0
    ],
    "position": [
      0,
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      0
    ]
  },
  "lighthouse_config": {
    "channelMap": [
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    ],
    "modelNormals": [
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    "modelPoints": [
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    ]
  },
  "manufacturer": "arpara",
  "model_number": "arpara",
  "render_model": "generic_hmd",
  "revision": 4,
  "seconds_from_photons_to_vblank": 0.0142000001,
  "seconds_from_vsync_to_photons": 0.00039999999,
  "tracking_to_eye_transform": [
    {
      "distortion": {
        "coeffs": [
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          0.015039393,
          0.055597464999999999
        ],
        "type": "DISTORT_POLY3"
      },
      "grow_for_undistort": 0.600000024,
      "intrinsics": [
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      ],
      "undistort_r2_cutoff": 1.39999998
    },
    {
      "distortion": {
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        "type": "DISTORT_POLY3"
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      ],
      "undistort_r2_cutoff": 1.39999998
    }
  ]
}

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