Software updating apparatus and software updating method
AssigneeHitachi Automotive Systems, Ltd.
InventorsHidetoshi TERAOKA, Kenichi KUROSAWA, Fumiharu NAKAHARA
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Abstract
Provided is a software updating apparatus that can flexibly respond to various situations, including update capacity and use cases of each ECU, in a case of updating control information of a plurality of ECUs. Update control information necessary for update processing, including update data to be newly applied to an ECU, is received from a server and control of the update processing is performed based on the received update control information.
Claims11
A software updating apparatus that is connected to a server and a plurality of control apparatuses and performs transmission and reception of data, the software updating apparatus comprising:
- a first communication unit that receives update control information, which includes update data for each of the plurality of control apparatus and identification information for identifying an application method for applying the update data to the control apparatus, from the server;
- a second communication unit that transmits the update data to be applied, for each of the plurality of control apparatuses;
- and
- an update control unit that controls the plurality of control apparatuses via the second communication unit such that the update data is applied based on the identification information.
A software updating method for performing transmission and reception of data to and from a plurality of control apparatuses, the software updating method comprising:
- a first communication step of receiving update control information, which includes update data for each of the plurality of control apparatuses and identification information for identifying an application method for applying the update data to the control apparatus, from the server;
- a second communication step of transmitting the update data to be applied, for each of the plurality of control apparatuses;
- and
- an update control step of controlling the plurality of control apparatuses such that the update data is applied based on the identification information.
Dependencies are inferred from the claim text.