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US 2015/0089083 A1Published application
Configurable intelligent I/O expander system
AssigneeGeotab Inc.
InventorsNeil Charles Cawse, Darren Marc Lohmann Beams, Anthonios Partheniou, Thomas Arthur Walli, Clive James Cawse, Victor Barreto
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Abstract
A method and apparatus in a vehicular telemetry system for an intelligent I/O expander. The intelligent I/O expander may be configured in an active mode or a passive mode. A vehicular telemetry hardware system may be configured in a passive serial control mode or an active serial control mode. The intelligent I/O expander capable of adding additional device to the vehicular telemetry system.
Claims2
1-43. (canceled)
A method of initializing an intelligent I/O expander and a vehicular telemetry hardware system, the method comprising:
- determine the I/O expander port type,
- if serial, set serial type and passive expander mode,
- if auxiliaries, set auxiliaries type and active expander mode,
- send message and port type to vehicular telemetry hardware system,
- if serial, send query device message to I/O expander and receive device type,
- if device type is a first device type, set vehicular telemetry hardware system to active serial control mode, if device type is a second device type, set vehicular telemetry hardware system to passive serial control mode, if auxiliaries, send message with monitoring characteristics to I/O expander.
3 more elements
Dependencies are inferred from the claim text.