Method for integrating a device into a vehicle communications network
First Claim
1. A method of adding a new device to a vehicle communications network, other devices being connected to the vehicle communications network at different locations in a vehicle, the method comprising:
- adding the new device to the vehicle communications network;
configuring a bus manager to recognize the new device that has been added, and to determine based on a database whether there is one of a special driver and a default driver for the new device;
requesting the special driver for the new device that has been recognized, if there is only the default driver for the new device;
entering the new device into the database; and
notifying the other devices of the vehicle communications network that the new device has been added to the vehicle communications network.
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Abstract
A method of adding a device to a vehicle communications network. The method is used to announce a device added to the vehicle communications network to the other devices already connected to the vehicle communications network and to make the newly added device controllable for other devices via a driver. Either a default driver or a special driver is used, the special driver being loaded from the device itself or via a telecommunications network or by the user. The device recognized is entered into a database together with the particular driver. The newly added device is recognized either by a message from the newly added device to the bus manager or by an initialization phase triggered by the newly added device. If the database for entries is exhausted, the entries for devices not connected to the vehicle communications network for the longest period of time are deleted. A bus according to IEEE 1394 may be used as the vehicle communications network.
14 Citations
17 Claims
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1. A method of adding a new device to a vehicle communications network, other devices being connected to the vehicle communications network at different locations in a vehicle, the method comprising:
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adding the new device to the vehicle communications network;
configuring a bus manager to recognize the new device that has been added, and to determine based on a database whether there is one of a special driver and a default driver for the new device;
requesting the special driver for the new device that has been recognized, if there is only the default driver for the new device;
entering the new device into the database; and
notifying the other devices of the vehicle communications network that the new device has been added to the vehicle communications network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An arrangement for a vehicle communications network having different locations in a vehicle for connecting devices, comprising:
a new device configured to be added to the vehicle communications network and to be one of recognized by a bus manager and capable of sending a message to the bus manager so that the new device is recognized, the new device further configured to be entered into a database, wherein, according to the database, a determination is made by the bus manager whether there is one of a special driver and a default driver for the new device, the special driver being requested for the new device by the bus manager if there is only the default driver for the new device, and other devices of the vehicle communications network being notified by the bus manager that the new device has been added to the vehicle communications network.
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17. An arrangement for adding a new device to a vehicle communications network, other devices being connected to the vehicle communications network at different locations in a vehicle, comprising:
a bus manager to recognize the new device that has been added, and to determine based on a database whether there is one of a special driver and a default driver for the new device, and to request the special driver for the new device if there is only the default driver for the new device, and to enter the new device into the database, and to notify the other devices of the vehicle communications network that the new device has been added to the vehicle communications network.
Specification