Vehicular program rewriting system, vehicular master device, progress state synchronization control method, and progress state synchronization control program

A program rewriting and master device technology, applied to control devices, vehicle parts, transportation and packaging, etc., can solve the problem of different progress information of display terminals

Pending Publication Date: 2021-04-09
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if one display terminal can access the center device, but the other display terminal cannot access the center device, there is a possibility that the progress information displayed on one display terminal and the other display terminal will be different.

Method used

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  • Vehicular program rewriting system, vehicular master device, progress state synchronization control method, and progress state synchronization control program
  • Vehicular program rewriting system, vehicular master device, progress state synchronization control method, and progress state synchronization control program
  • Vehicular program rewriting system, vehicular master device, progress state synchronization control method, and progress state synchronization control program

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Experimental program
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no. 1 approach

[1135] Below, refer to Figure 234 to Figure 253 The first embodiment will be described. The vehicle program rewriting system is a system that can rewrite application programs such as vehicle control and diagnosis of the ECU mounted on the vehicle through OTA. like Figure 234 As shown, the vehicle program rewriting system 1 includes a center device 3 on the communication network 2 side, a vehicle-side system 4 on the vehicle side, and a display terminal 5 . The communication network 2 includes, for example, a mobile communication network based on a 4G line or the like, the Internet, WiFi (Wireless Fidelity) (registered trademark), and the like.

[1136] The display terminal 5 is a terminal having a function of accepting an operation input from a user and a function of displaying various screens, and is, for example, a mobile terminal 6 such as a smartphone and a tablet that can be carried by a user, a display that also has a navigation function installed in a passenger comp...

no. 2 approach

[1215] like Figure 254 shown, the second embodiment involves the Figure 241 The middle-vehicle-side system 4 first transmits "vehicle configuration information synchronization" to the center device 3 . When the IG switch 37 on the vehicle side is turned on, the CGW 13 transmits a "synchronization start request" to the DCM 12 as a trigger. The DCM 12 accepts the request and returns the "structural information collection request" to the CGW 13 . Then, the CGW 13 inquires about the program version with respect to each ECU 19 . Each ECU 19 returns the "ECU SW ID" to the CGW 13 . In addition, the ECU 19 whose memory structure is double-sided or suspended also returns to the CGW 13 the surface information indicating which of the plurality of surfaces is an operating surface and which surface is a non-operating surface. Furthermore, each ECU 19 may transmit to the CGW 13 the calibration information of the actuator or the like to be controlled, the permission information for rec...

no. 3 approach

[1242] The third embodiment relates to the function executed by the activity management unit 3D of the center device 3 in order to increase the update rate of the application program in the vehicle-side system 4 . like Figure 258 As shown, for example, in the vehicle-side system 4 , the user sets the HTTP polling interval to about three days through the Config file, and the vehicle-side system 4 periodically checks the center device 3 whether or not the application is updated. As a result, at the time of confirming the update after setting the activity information of the VIN for the vehicle corresponding to the activity DB 217 , the center device 3 notifies the vehicle-side system 4 that “there is an update”. That is, as described in the second embodiment, the center device 3 performs update confirmation when the configuration information is uploaded from the vehicle-side system 4 using HTTP as a trigger, and is executed when the IG is turned on three days later.

[1243] Wh...

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Abstract

In a vehicular program rewriting system (1), a vehicular master device (11) is provided with: a first progress state determining unit (88a) for determining a first progress state relating to rewriting of a program; a first progress state transmitting unit (88b) for transmitting the first progress state determined by the first progress state determining unit to a center device; a second progress state acquiring unit (88c) for acquiring a second progress state relating to the rewriting of the program from the center device; and a first display instructing unit (88d) for instructing the creation of content capable of being displayed on a display terminal mounted in a vehicle, on the basis of the first progress state determined by the first progress state determining unit, and the second progress state acquired by the second progress state acquiring unit.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application is based on Japanese Application No. 2018-151420 filed on August 10, 2018 and Japanese Application No. 2019-129960 filed on July 12, 2019, the contents of which are incorporated herein by reference. technical field [0003] The present disclosure relates to a vehicle program rewriting system, a vehicle host device, a synchronous control method of a progress state, and a synchronous control program of a progress state. Background technique [0004] In recent years, with the diversification of vehicle control such as driving assistance functions and automatic driving functions, the scale of programs such as vehicle control and diagnosis of an electronic control unit (hereinafter, referred to as an ECU (Electronic Control Unit)) mounted on the vehicle has increased. bigger. In addition, there are more and more opportunities to rewrite (reprogram) ECU programs along with version upgrades based on functiona...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F8/65B60R16/02
CPCG06F8/65B60W50/00B60W2050/0075B60W2756/10B60W50/14B60W2050/146B60W2556/45
Inventor 原田雄三上原一浩夏目充启河崎卓也
Owner DENSO CORP
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