5.2.23 - 1-Wire

This function performs 1-Wire communication.

Firmware 1.17 or higher is required to use this function.

For additional information on how to use this function, please see the 1-Wire App Note

Table 5.2.23-1. 1-Wire Command Response

Options: This byte provides control of the dynamic pull-up.
Bit 0: enables control of the DPU line.
Bit 1: sets the polarity of the switch. 1 = high on the specified DIO turns the switch on.
Bit 2: sets the idle state. 1 = DPU on while IDLE.
Sense Pin: This is the DIO on the LabJack that is connected to the data line of the 1-wire bus.
DPU Pin: This is the DIO line that will control the dynamic pull-up if enabled in the options byte.
ROM Function: This byte specifies the function to be performed on the 1-wire bus.
ROM[0:7]: This is the ROM of the target device or search path.
Num TX: This is the number of data bytes to transmit.
Num RX: This is the number of data bytes to receive.

Depending on the ROM function used the data returned can have different meanings. Refer to the following table for data definitions.

Table 5.2.23-2.