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Common IO Settings

Every input and output shares a small set of user-facing settings, regardless of
its type. Type-specific options are documented on each IO's own page.

Schema: the Input and Output messages in config/Config.proto. Several
fields on those messages are managed internally and are not shown to the
user (datalogger channel, type, min/max, unit, preset).

Shared settings

Setting Applies to Meaning
Name All IO Human-readable name shown throughout the app (e.g. Oil Temp, Line Pressure Solenoid). Everything else — maps, drivers, other IO — references this IO by its alias.
Pin Hardware IO only The physical pin the IO is bound to. Logical/computed IO (maths, compare, map, etc.) reference other IO instead and have no pin; CAN IO uses the CAN bus.

Value scale

Many values follow a common full-scale convention of 1024:

  • Booleans: true = 1024, false = 0 (e.g. a
    Compare Input or a
    Digital Input that is on).
  • Percentages / proportions: full scale = 1024 (e.g. TPS 100 % = 1024).

This is why threshold-based features use 512 as the mid-point (half of 1024).

Good practice

  • Give every IO a clear, unique alias — everything else references it by name.
  • For hardware IO, choose the pin to match how the device is physically wired.

Updated by Adam Klama 1 day ago · 2 revisions