Information

This is sample application for af-steering-wheel-binding.
At above of the screen will display usb-camera(UVC camera) video.
At bottom of this screen will display the can information.
Right now it can get VehicleSpeed,EngineSpeed,TransmissionMode information from af-steering-wheel-binding.
Or you can change to use low-level-can-servcie.

• Hardware: Renesas m3ulcb
• Software: Daring Dab 4.0.0
• Application name: tachometer
• Test Device: Logitech c920r

How to compile and install

These is a sample recipe for tachometer, you can just add that recipes into your project and bitbake.
Sample Recipes: tachometer_git.bb

How to use

1, If the camera has been connected, you can select the camera corresponding to the device ID, and set FPS ,
pixel parameters, open ON/OFF switch on the right, you can see the camera display content.
2, operation steering-wheel device corresponding function, you can see vehicle speed, engine speed, transmission mode changes.

Kernel configure

You need to enable some kernel configure to enable usb camera. CONFIG_VIDEOBUF2_VMALLOC=y CONFIG_MEDIA_USB_SUPPORT=y CONFIG_USB_VIDEO_CLASS=y CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y

CAN data

• engine.speed
  canid: 1C4
  offset: 0
  bitsize: 16
  sample: cansend vcan0 1C4#FFFF000000000000

• vehicle.average.speed
  canid: 0B4
  offset: 40
  bitsize: 16
  sample: cansend vcan0 0B4#0000000000FFFF00

• fuel.level
  canid: 612
  offset: 40
  bitsize: 8
  sample: cansend vcan0 612#0000000000FF0000

• Transmission.SiftPosition.neutral
  canid: 3BC
  offset: 12
  bitsize: 1
  sample: cansend vcan0 3BC#0008000000000000

• Transmission.SiftPosition.driving
  canid: 3BC
  offset: 40
  bitsize: 1
  sample: cansend vcan0 3BC#0000000000800000

• Transmission.SiftPosition.parking
  canid: 3BC
  offset: 10
  bitsize: 1
  sample: cansend vcan0 3BC#0020000000000000