Title:
車載制御装置、プログラム更新システム、及び、プログラム更新ソフトウェア
Document Type and Number:
Japanese Patent JP6568947
Kind Code:
B2
Abstract:
Provided is an in-vehicle control device which makes it possible to achieve restoration processing of differential reprogramming even in an in-vehicle control device using a microcomputer with a built-in flash memory using a small amount of RAM and composed of large blocks, and is capable of restoring a new program in a short time by decreasing the size of differential data even for a new program to which major changes have been made. Provided is an in-vehicle control device capable of updating a program on the basis of update content provided from an update tool, the in-vehicle control device being provided with a first memory provided with a plurality of blocks for storing programs, and a second memory. When updating a program, differential data of the program and an update program are stored in the second memory, an update program for a block to be updated among the plurality of blocks is recreated in another block which is different from the block to be updated using the differential data and an old program, and the update program which has been recreated in the other block is written in the block to be updated.
Inventors:
Kenichi Kurosawa
Akiharu Nakahara
Hidetoshi Teraoka
Akiharu Nakahara
Hidetoshi Teraoka
Application Number:
JP2017543171A
Publication Date:
August 28, 2019
Filing Date:
September 21, 2016
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
G06F8/658; B60R16/02; G06F8/654
Domestic Patent References:
| JP2004234503A | ||||
| JP2011081561A | ||||
| JP2007528071A | ||||
| JP2013073417A |
Attorney, Agent or Firm:
Hiraki International Patent Office
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