Vehicle electronic control system, center device, vehicle master device, display control information transmission control method, display control information reception control method, display control information transmission control program, and display control information reception control program

A center device that can perform data communication with a vehicle master device that controls rewriting of a program in an electronic control unit, and that can perform data communication with a display terminal that displays program rewriting related contents, comprising at least one processor configured to implement:

• an update data storage unit that stores update data for a plurality of rewrite targets, wherein rewriting of programs to rewrite target electronic control units is one campaign;
• a display control information storage unit that stores display control information necessary to display information related to the campaign on a vehicle side;
• and
• an information transmission unit that transmits the update data stored in the update data storage unit and the display control information stored in the display control information storage unit;
• wherein the display control information includes a display control program controlling a display of an in-vehicle display;
• and
• wherein the in-vehicle display displays display information related to rewriting of a program when the display control program is executed.

A vehicle master device that controls rewriting of a program in an electronic control unit, comprising at least one processor configured to implement:

• an information reception unit that receives update data and display control information from the center device;
• a rewrite instruction unit that instructs a rewrite target electronic control unit to write the update data received by the information reception unit;
• and
• a display instruction unit that, before the rewrite instruction unit instructs the rewrite target electronic control unit to write the update data, instructs a display terminal to display information related to a campaign by using the display control information received by the information reception unit;
• wherein the display control information includes a display control program controlling a display of an in-vehicle display;
• and
• wherein the in-vehicle display displays display information related to rewriting of a program when the display control program is executed.

A display control information transmission control method in a center device that can perform data communication with a vehicle master device controlling rewriting of a program in an electronic control unit and can perform data communication with a display terminal displaying program rewriting related contents, and that includes:

• an update data storage unit that stores update data for a plurality of rewrite targets, wherein program rewriting to rewrite target electronic control units is one campaign;
• and a display control information storage unit that stores display control information necessary to display information related to the campaign on a vehicle side,
• the display control information transmission control method comprising:
• transmitting the update data stored in the update data storage unit and the display control information stored in the display control information storage unit to the vehicle master device;
• wherein the display control information includes a display control program controlling a display of an in-vehicle display;
• and
• wherein the in-vehicle display displays display information related to rewriting of a program when the display control program is executed.

A display control information reception control method in a vehicle master device that controls rewriting of a program in an electronic control unit, receives update data and display control information from the center device, instructs a rewrite target electronic control unit to write the update data received,

• the display control information reception control method comprising:
• before instructing the rewrite target electronic control unit to write the update data, instructing a display terminal to display information related to the campaign by using the display control information received;
• wherein the display control information includes a display control program controlling a display of an in-vehicle display;
• and
• wherein the in-vehicle display displays display information related to rewriting of a program when the display control program is executed.

A display control information transmission control program, stored in a non-transitory storage medium, for a center device that can perform data communication with a vehicle master device controlling rewriting of a program in an electronic control unit and can perform data communication with a display terminal displaying program rewriting related contents, and that includes:

• an update data storage unit that stores update data for a plurality of rewrite targets, wherein program rewriting to rewrite target electronic control units is one campaign;
• and a display control information storage unit that stores display control information necessary to display information related to the campaign on a vehicle side,
• the display control information transmission control program causing the center device to perform:
• transmitting the update data stored in the update data storage unit and the display control information stored in the display control information storage unit to the vehicle master device;
• wherein the display control information includes a display control program controlling a display of an in-vehicle display;
• and
• wherein the in-vehicle display displays display information related to rewriting of a program when the display control program is executed.

A display control information reception program, stored in a non-transitory storage medium, for a vehicle master device that controls rewriting of a program in an electronic control unit, receives update data and display control information from the center device, and instructs a rewrite target electronic control unit to write the update data received,

• the display control information reception control program causing the vehicle master device to perform:
• before instructing the rewrite target electronic control unit to write the update data, instructing a display terminal to display information related to the campaign by using the display control information received;
• wherein the display control information includes a display control program controlling a display of an in-vehicle display;
• and
• wherein the in-vehicle display displays display information related to rewriting of a program when the display control program is executed.

A vehicle electronic control system comprising:

• a vehicle master device that controls program rewriting in an electronic control unit;
• a display terminal that displays program rewriting related contents;
• and
• a center device that can perform data communication with the vehicle master device and the display terminal;
• wherein the center device includes at least one first processor configured to implement:
• an update data storage unit that stores update data for a plurality of rewrite targets, wherein program rewriting to rewrite target electronic control units is one campaign;
• a display control information storage unit that stores display control information necessary to display information related to the campaign on a vehicle side;
• and
• an information transmission unit that transmits the update data stored in the update data storage unit and the display control information stored in the display control information storage unit to the vehicle master device,
• wherein the vehicle master device includes a least one second processor configured to implement:
• an information reception unit that receives the update data and the display control information from the center device;
• a rewrite instruction unit that instructs a rewrite target electronic control unit to write the update data received by the information reception unit;
• and
• a display instruction unit that, before the rewrite instruction unit instructs the rewrite target electronic control unit to write the update data, instructs the display terminal to display the information related to the campaign by using the display control information received by the information reception unit;
• wherein the display control information includes a display control program controlling a display of an in-vehicle display;
• wherein the in-vehicle display displays display information related to rewriting of a program when the display control program is executed;
• and
• wherein the display control information includes text data and information defining at least one of a size or a color of the text data.

A center device that can perform data communication with a vehicle master device that controls rewriting of a program in an electronic control unit, and that can perform data communication with a display terminal that displays program rewriting related contents, comprising at least one processor configured to implement:

• an update data storage unit that stores update data for a plurality of rewrite targets, wherein rewriting of programs to rewrite target electronic control units is one campaign;
• a display control information storage unit that stores display control information necessary to display information related to the campaign on a vehicle side;
• and
• an information transmission unit that transmits the update data stored in the update data storage unit and the display control information stored in the display control information storage unit;
• wherein the display control information includes a display control program controlling a display of an in-vehicle display;
• wherein the in-vehicle display displays display information related to rewriting of a program when the display control program is executed;
• and
• wherein the display control information includes text data and information defining at least one of a size or a color of the text data.

A vehicle master device that controls rewriting of a program in an electronic control unit, comprising at least one processor configured to implement:

• an information reception unit that receives update data and display control information from the center device;
• a rewrite instruction unit that instructs a rewrite target electronic control unit to write the update data received by the information reception unit;
• and
• a display instruction unit that, before the rewrite instruction unit instructs the rewrite target electronic control unit to write the update data, instructs a display terminal to display information related to a campaign by using the display control information received by the information reception unit;
• wherein the display control information includes a display control program controlling a display of an in-vehicle display;
• wherein the in-vehicle display displays display information related to rewriting of a program when the display control program is executed;
• and
• wherein the display control information includes text data and information defining at least one of a size or a color of the text data.

A display control information transmission control method in a center device that can perform data communication with a vehicle master device controlling rewriting of a program in an electronic control unit and can perform data communication with a display terminal displaying program rewriting related contents, and that includes:

• an update data storage unit that stores update data for a plurality of rewrite targets, wherein program rewriting to rewrite target electronic control units is one campaign;
• and a display control information storage unit that stores display control information necessary to display information related to the campaign on a vehicle side;
• the display control information transmission control method comprising:
• transmitting the update data stored in the update data storage unit and the display control information stored in the display control information storage unit to the vehicle master device;
• wherein the display control information includes a display control program controlling a display of an in-vehicle display;
• wherein the in-vehicle display displays display information related to rewriting of a program when the display control program is executed;
• and
• wherein the display control information includes text data and information defining at least one of a size or a color of the text data.