HERE4FC: The connector board has I2C, but it cannot be used.

[muramura]

Bug report

Issue details

The connector board has I2C, but it cannot be used.
We cannot obtain voltage and current values from an I2C battery monitor (e.g., INAxxx). For example, the PM03D Power Module.

UART connector in I2C

10 Pin in (see I2C)

https://github.com/ArduPilot/ardupilot/blob/master/libraries/AP_HAL_ChibiOS/hwdef/Here4FC/README.md

I2C is not included in the features.
https://github.com/ArduPilot/ardupilot/blob/master/libraries/AP_HAL_ChibiOS/hwdef/Here4FC/README.md#features

POWER connector not VOLT / CURRENT, or, SDL / SDA

Version

AC4.5.7

Platform

[ ] All
[ ] AntennaTracker
[X] Copter
[ ] Plane
[ ] Rover
[ ] Submarine

Airframe type

QUAD/CW-X

Hardware type

HERE4

Logs

NONE

[MallikarjunSE]

Needs pull up on those pins. Doubtful it has pull up since it's primarily meant for GNSS system.

[muramura]

@bugobliterator san

Is it acceptable to specify the internal pull-up in the hardware definition file?
What should I do?
If possible, I would prefer not to handle it externally.