{
  "enabled": false,
  "gpioAPin": 5,
  "gpioBPin": 6,
  "baudRate": 115200,
  "ppr": 100,
  "mode": "x4",
  "intervalMs": 1000,
  "pollIntervalMs": 10,
  "forcePolling": false,
  "glitchUs": 1000,
  "invert": false,
  "gpioBackend": "wiringPi",
  "gpiodChip": "/dev/gpiochip0",
  "gpiodLineA": null,
  "gpiodLineB": null,
  "gpiodBias": "pullUp",
  "gpiodActiveLow": false,
  "wheelDiameterMm": 56,
  "speedUnit": "km/h",
  "speedLabel": "车速",
  "rpmLabel": "转速",
  "showRpm": true,
  "showDirection": false
}