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HID over I2C Trigger (Human Interface Device over I2C)

HID over I2C trigger supports I2C frame events (Start / Restart / Stop / ACK / NACK) and Clause Trigger pattern match on address and HID Descriptor / Data. TravelBus may offer a dedicated I2C port.

See Settings and Clause Trigger.

Trigger Settings

HID over I2C Trigger

HID over I2C Trigger (LA)

HID over I2C Trigger TravelBus

HID over I2C Trigger (TravelBus; extra channel source)

Because TravelBus includes special I2C channels, the HID over I2C trigger dialog adds an extra channel-source option.

  • Channel: Dedicated I2C port (TravelBus B) or LA SCL / SDALA port.
  • Simple Trigger: Start / Restart / Stop / ACK / NACK. Default: all cleared.
  • Clause Trigger: See Clause Trigger.
  • State: Enter Address, R/W, ACK, and Data as a data pattern; XXh = Don't care. You can also select an HID Descriptor; when Descriptor is selected, R/W switches to Read.
    • Address Mode: Default 7-bit; Address Default XXh; R/W and ACK Default Don't care.
    • Descriptor / Data: Default index 0 (XXh / normal Data).

See also