J1850 application specific integrated circuit (ASIC) and messaging technique
First Claim
1. A communication system for controlling a remote device within a vehicle comprising:
- a master module for generating a command message;
a remote module for executing the command message and generating a response message in response to executing the command message, the remote module being connected to the remote device;
a data bus for providing bidirectional communication between the master module and the remote module;
a message frame for communicating data between the master module and the remote module, the message frame including the command message generated by the master module for execution by the remote module, and the message frame including the response message generated by the remote module for providing feedback to the master module.
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Accused Products
Abstract
A communication system for controlling remote devices within a vehicle is provided. The communication system includes a master module for generating a command message, and a remote module for executing the command message and generating a response message. A data bus provides bidirectional communication between the master module and the remote module. The communication system also includes a message frame for communicating data between the master module and the remote module, the message frame includes the command message generated by the master module for execution by the remote module, and the message frame includes the response message generated by the remote module for providing feedback to the master module.
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Citations
22 Claims
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1. A communication system for controlling a remote device within a vehicle comprising:
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a master module for generating a command message; a remote module for executing the command message and generating a response message in response to executing the command message, the remote module being connected to the remote device; a data bus for providing bidirectional communication between the master module and the remote module; a message frame for communicating data between the master module and the remote module, the message frame including the command message generated by the master module for execution by the remote module, and the message frame including the response message generated by the remote module for providing feedback to the master module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A multiplexed communication system for controlling remote devices within a vehicle comprising:
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a master module having a processor and a communication port; a remote I/O module having a state machine and a plurality of communication ports; a J1850 data bus for providing bidirectional communication between the master module and the remote I/O module; and a message frame for communicating data between the master module and the remote I/O module, the message frame including a control message formatted by the master module for execution by the remote module, and the message frame including a response message formatted by the remote I/O module in response to executing the command message for providing feedback to the master module; said control message including a sub ID and an executable string of bits; said response message including two bytes of feedback data. - View Dependent Claims (11, 12, 13, 14, 15, 21)
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16. A multiplexed communication system for transporting an executable command message between a master control module and a remote device for executing the command message, the communication system comprising:
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a remote I/O module having a state machine and an internal data bus for processing the executable command message; a data bus for providing bidirectional communication between the master control module and the remote I/O module; a message frame for transporting the executable command message, the message frame containing command data and response data; the command data including a sub ID portion for identifying the remote device and a command message portion for containing an executable command, the command message portion being transmitted by the remote I/O module to the remote device; the response data including a response message formatted by the remote I/O module in response to executing the command message and transmitted by the remote I/O module to the master control module within a predetermined amount of time after receiving the command data. - View Dependent Claims (17, 18, 19, 20, 22)
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Specification