JP2007190976A - Electronic control unit customizing device, electronic control unit customizing tool, electronic control unit customizing system and electronic control unit customizing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an ECU customizing device capable of simply and certainly customizing an ECU while maintaining interchangeability with a conventional ECU. <P>SOLUTION: This electronic control unit customizing device 1 connected to the electronic control units 3, 4 having memory means 30, 40 to memorize contents of setting items free to customize is characteristically furnished with a master memorizing means 10 to separately memorize the contents of the setting items of the memory means 30, 40 by reading them out, a setting content changing means 13 to change the contents of the setting items memorized in the master memorizing means 10 and a setting content renewing means 15 to write the contents of the setting items changed by the setting content changing means 13 and written in the master memorizing means 10 in the memory means 30, 40. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an electronic control device customizing device, an electronic control device customizing tool, an electronic control device customizing system, and an electronic control device customizing method. More specifically, the contents of customizable setting items are electronic control device and electronic control device customizing. Electronic control device customization device, electronic control device customization tool, and electronic control device that can be easily and reliably customized while maintaining compatibility with conventional electronic control devices. The present invention relates to a customization system and an electronic control device customization method.

  Conventionally, electronic control devices (hereinafter referred to as “ECU (Electronic Control Unit)”) for controlling electrical components such as an air conditioner, a car audio, and a power seat each have setting items that can be customized. Settings such as the set temperature, the set volume of the car audio, the position of the power seat, and the like can be stored for each driver. Here, “customization” refers to optimal setting of the ECU for each driver.

  However, since the setting item is updated using a special tool of a car dealer, it is difficult for the owner of the vehicle to easily update the setting.

  In order to improve the state, the contents of setting items of a plurality of ECUs are stored in one storage device for each driver, and stored according to the identification ID using an electronic key having an identification ID. 2. Description of the Related Art There is known an ECU customizing apparatus that uses setting contents of a plurality of ECUs as setting contents corresponding to a driver by referring to the contents of setting items stored in the apparatus (see, for example, Patent Document 1).

Moreover, the setting contents of a plurality of ECUs are set according to the driver by inputting the identification ID via the in-vehicle display device and the in-vehicle input device without using an electronic key or an IC card having the identification ID. However, a system that facilitates updating and adding contents of setting items for each driver is also known (see, for example, Patent Document 2).
JP 2002-1299 A JP 2005-205936 A

  However, the inventions described in Patent Documents 1 and 2 include a storage device that is separate from the plurality of ECUs, and stores the contents of setting items in each ECU in the storage device to control each ECU. There is no mention of a specific storage device. Therefore, when a conventional ECU provided with a storage device is connected to the devices or systems described in Patent Documents 1 and 2, it is not known which storage device the ECU should acquire the contents of the setting item. In some cases, confusion may occur, and the control software of the ECU needs to be changed, resulting in insufficient compatibility with the conventional ECU.

  In view of the above problems, the present invention provides an ECU customizing device, an ECU customizing tool, an ECU customizing system, and an ECU customizing method that enable easy and reliable ECU customization while maintaining compatibility with conventional ECUs. The purpose is to provide.

  To achieve the above object, the first invention provides an electronic control device customizing apparatus connected to an electronic control apparatus having storage means for storing contents of customizable setting items, wherein the setting items of the storage means Is stored by the master storage means, the setting contents changing means for changing the contents of the setting items stored in the master storage means, and the setting contents changing means changing the contents and writing them in the master storage means Setting content updating means for writing the contents of the set items to the storage means.

  According to a second aspect of the present invention, there is provided an electronic control device customization tool connected to an electronic control device having storage means for storing customizable setting item contents, wherein the setting item contents of the storage means are changed and updated. Content change update means, and master storage means in the electronic control device customizing apparatus for separately storing the contents of the setting items when the contents of the setting items in the storage means are changed and updated by the setting content change update means And a master storage means initialization means for transmitting a signal to the electronic control device customizing apparatus so as to be initialized.

  Further, in the electronic control device customization system according to the third invention, an electronic control device comprising storage means for storing the contents of customizable setting items, and a master for reading and storing the contents of the setting items in the storage means separately Setting means for changing the contents of the setting items stored in the storage means and the master storage means, and setting for writing the contents of the setting items in the master storage means changed by the setting content changing means to the storage means And an electronic control device customizing device including content updating means.

  According to a fourth aspect of the present invention, in the electronic control device customizing system according to the third aspect of the present invention, a setting content change updating unit that changes and updates the content of the setting item in the storage unit, and the setting content change updating unit stores the storage An electronic control device customization tool comprising master storage means initialization means for transmitting a signal to the electronic control device customization apparatus to initialize the master storage means when the contents of the setting items in the means are changed and updated. It is characterized by having.

  According to a fifth aspect of the present invention, there is provided an electronic control device customizing method in which the setting items in the master storage means of the electronic control device customizing apparatus separately storing the contents of the customizable setting items stored in the storage means of the electronic control apparatus. A first writing step for writing the changed contents of the setting item to the master storage means when the contents are changed, and a first writing step for writing the contents of the setting items written in the first writing step to the storage means. And 2 writing steps.

  By the means described above, the present invention provides an ECU customizing device, an ECU customizing tool, an ECU customizing system, and an ECU customizing method that enable easy and reliable customization of the ECU while maintaining compatibility with the conventional ECU. it can.

  Hereinafter, the best mode for carrying out the present invention will be described in several embodiments with reference to the drawings.

  FIG. 1 is a diagram illustrating a configuration example of an ECU customization system 100. The ECU customizing system 100 includes an ECU customizing device 1, an ECU customizing tool 2, a door ECU 3, and a conlite ECU 4. Each component is connected by a shared bus composed of a twisted pair cable such as a CAN (Controller Area Network). Is done.

  The ECU customizing device 1 is a device that enables updating of the contents of the setting items that can be customized while displaying the contents of the setting items that can be customized by the door ECU 3 and the conlite ECU 4, and includes a master storage means 10, a display means 11, and an input. Means 12, setting contents changing means 13, setting contents obtaining means 14, setting contents updating means 15, and setting contents comparing means 16. The ECU customizing device 1 is integrated into, for example, a car navigation system that is always connected to a shared bus.

  The master storage means 10 is a rewritable non-volatile storage medium, such as an NVRAM (Non-Volatile Random Access Memory), a flash memory, a hard disk, or the like.

  The display unit 11 is a unit for displaying the contents of the setting items in the master storage unit 10 of the ECU customizing device 1, and may be, for example, an LCD (Liquid Crystal Display) or an organic EL (ElectroLuminescence) display. A display device incorporated in an instrument panel such as an LED (Light Emitting Diode) may be used.

  The input unit 12 is a unit for inputting the contents of desired setting items, and is, for example, a touch panel, an escutcheon button, a joystick, a keyboard, a mouse, or the like.

  The setting content changing means 13 changes the contents of the setting items displayed on the display means 11 and temporarily held in a volatile storage device such as a RAM (Random Access Memory) (not shown) to the contents inputted by the input means 12. It is a means to do.

  Here, “change” refers to a process of changing the contents of setting items temporarily stored in the volatile storage device, and “update” and “write” are permanently stored in the nonvolatile storage device. The process of changing the contents of the setting item to be performed.

  The setting content changing unit 13 updates the content of the corresponding setting item in the master storage unit 10 with the content of the setting item stored in the volatile storage device and changed by the input unit 12.

  The setting content acquisition means 14 is for writing the contents of the customizable setting items stored in the storage means 30 and 40 which are non-volatile storage devices of the door ECU 3 and the conlight ECU 4 to the master storage means 10 of the ECU customization device 1. Means. The setting content acquisition unit 14 reads the contents of the customizable setting items stored in the storage units 30 and 40 of the door ECU 3 and the concrete ECU 4 and writes them in the master storage unit 10 of the ECU customization device 1.

  The setting content updating unit 15 is a unit for writing the contents of setting items that can be customized for each ECU separately stored in the master storage unit 10 of the ECU customizing apparatus 1 in the storage units 30 and 40 of each ECU. The setting content update means 15 reads the contents of the setting items that can be customized in the master storage means 10 that have been changed and updated by the setting content change means 13, and set the corresponding positions in the storage means 30 and 40 of the door ECU 3 and the conlite ECU 4. Write the contents of the setting item.

  The setting content comparison means 16 includes the contents of the customizable setting items of each ECU stored in the master storage means 10 of the ECU customizing device 1 and the customizable setting items stored in the storage means 30 and 40 of each ECU. It is a means for comparing the contents, and notifies the setting contents acquisition means 14 and the setting contents update means 15 of the comparison result.

  The setting content comparison unit 16 determines whether or not the master storage unit 10 of the ECU customizing apparatus 1 is in an initial state. The setting content comparison means 16 includes the contents of the customizable setting items of each ECU stored in the master storage means 10 of the ECU customizing device 1 and the customizable setting items stored in the storage means 30 and 40 of each ECU. It may be determined whether or not the master storage unit 10 is in an initial state by comparing the content with the update time, and whether or not the content of the master storage unit 10 is a predetermined value (for example, zero). It may be determined whether or not the master storage unit 10 is in the initial state. Alternatively, the setting content comparison unit 16 may detect a value of a flag indicating that the master storage unit 10 is in the initial state and determine whether or not the master storage unit 10 is in the initial state.

  Like the ECU customization device 1, the ECU customization tool 2 is a device that enables updating of the contents of the setting items while displaying the contents of the setting items that can be customized in the door ECU 3 and the lite ECU 4. The display means 20 , Input means 21, setting content change update means 22, and master storage means initialization means 23. The ECU customizing tool 2 is different from the ECU customizing device 1 in that it does not have means for regularly storing separately the contents of customizable setting items in the storage means 30 and 40 of the door ECU 3 and the lite ECU 4. Different. However, this does not exclude that the ECU customization tool 2 is provided with a nonvolatile storage means for separately storing the contents of the setting items of each ECU. The ECU customization tool 2 is not always connected to the bus, and is different from the ECU customization device 1 in that it is connected only when customization is performed.

  The ECU customization tool 2 is connected to the door ECU 3 or the conlite ECU 4 via the CAN or directly, and updates the contents of the customizable setting items in the storage means 30 and 40 of the door ECU 3 and the conlite ECU 4. Used to create a customizable setting item and then disconnected. Thus, the ECU customization tool 2 is not unique to each ECU customization system 100 or each vehicle, but is shared by a plurality of ECU customization systems 100 or a plurality of vehicles.

  The display means 20 and the input means 21 are the same as the display means 11 and the input means 12 of the ECU customizing apparatus 1 and will not be described.

  The setting content change updating means 22 reads the contents of the setting items stored in the storage means 30 and 40 of the door ECU 3 and the lite ECU 4 to a volatile storage device (not shown) included in the ECU customization tool 2 and displays it on the display means 20. Means for changing the contents of the setting items read to the volatile storage device via the input means 21 and updating the contents of the setting items stored in the storage means 30 and 40 with the contents of the changed setting items It is. Since the ECU customization tool 2 does not have its own non-volatile storage means, the setting content change / update means 22 stores the contents of the setting items stored in the storage means 30 and 40 of the door ECU 3 and the concite ECU 4 via communication. Update in real time.

  The master storage means initialization means 23 is a means for transmitting an initialization signal to the ECU customizing apparatus 1 so as to initialize the master storage means 10, and the setting content change update means 22 causes the door ECU 3 and the conlite ECU 4 to When the contents of the setting items stored in the storage means 30 and 40 are updated and the ECU customizing device 1 exists in the same network, the initialization signal is transmitted to the ECU customizing device 1. Note that the initialization signal may be transmitted without determining whether the ECU customizing apparatus 1 exists in the same network. This eliminates the need to determine whether or not the ECU customizing device 1 exists in the same network, and simplifies the processing. Even if the ECU customizing device 1 does not exist, other devices are affected. It is because there is no thought.

  When the ECU customizing device 1 receives the initialization signal from the ECU customizing tool 2, the ECU customizing device 1 initializes the contents of the customizable setting items stored in the master storage means 10 of the ECU customizing device 1. The initialization may be to set all the contents of the setting items to zero, or may be set to a predetermined value. However, the setting contents comparison unit 16 of the ECU customizing apparatus 1 is stored in the master storage unit 10. Make sure that the initial state can be recognized. Alternatively, the initialization may be a process of writing the latest contents of the setting items in the door ECU 3 and the conlite ECU 4 in the master storage unit 10 of the ECU customizing device 1.

  The door ECU 3 is an electronic control device that controls unlocking and locking of the door, and includes a storage unit 30, a setting content reading unit 31, and a setting content writing unit 32.

  The storage means 30 is a means for storing the contents of customizable setting items relating to the door ECU 3 in a nonvolatile storage device such as NVRAM. The contents of the customizable setting items include, for example, a vehicle speed of a predetermined speed. "Vehicle speed auto-lock" function that automatically locks the door when it reaches the limit, "Auto-unlock" function that automatically unlocks the door when the ignition switch is turned off, and remote control with the first electronic key There are on / off of each function of the “two-stage unlocking” function that unlocks the driver's seat door by the unlocking operation and unlocks all the doors by the second remote unlocking operation.

  The setting content reading unit 31 is a unit for reading the content of the setting item stored in the storage unit 30, and the setting content writing unit 32 is a unit for writing the content of the changed setting item in the storage unit 30. It is.

  The conlight ECU 4 is an electronic control unit that detects ambient brightness and automatically controls turning on / off of the light. Similar to the door ECU 3, the conlight ECU 4 stores the storage means 40, the setting content reading means 41, and the setting content writing. Means 42 are included.

  Customizable setting items include “brightness threshold”, which is the threshold for determining whether to switch on / off the light, and whether the light is on / off when the threshold is instantaneously reached There is a “lighting delay” that is a duration of brightness that is set to the threshold value, which is set so as not to be switched. The “brightness threshold” has, for example, three levels of “bright”, “standard”, and “dark” as setting contents, and the “lighting delay” has, for example, “long” and “standard” as setting contents. And “short”.

  FIG. 2 is a diagram illustrating a configuration example of each of the master storage unit 10 of the ECU customizing apparatus 1, the storage unit 30 of the door ECU 3, and the storage unit 40 of the conlite ECU 4.

  The storage means 30 of the door ECU 3 has, for example, three setting items of “vehicle speed auto-lock” 30A, “auto-unlock” 30B, and “two-stage unlock” 30C. “On” 30D, “Off” 30E and “Off” 30F are stored.

  The storage unit 40 of the lite ECU 4 has, for example, two setting items of “brightness threshold” 40A and “lighting delay” 40B, and “brightness” 40C and “standard” 40D are included as the contents of the respective setting items. Remembered.

  The master storage unit 10 of the ECU customizing apparatus 1 stores both the contents of the setting items stored in the storage unit 30 of the door ECU 3 and the contents of the setting items stored in the storage unit 40 of the conlite ECU 4. For example, there are five setting items of “vehicle speed auto-lock” 10A, “auto-unlock” 10B, “two-stage unlock” 10C, “brightness threshold” 10D, and “lighting delay” 10E, and each setting As the contents of the items, “ON” 10F, “OFF” 10G, “OFF” 10H, “Brighter” 10I and “Standard” 10J are stored. The ECU customizing apparatus 1 makes the contents of the setting items stored in the storage units 30 and 40 of the ECUs 3 and 4 and the contents of the setting items stored in the master storage unit 10 the same.

  Next, processing when the door ECU 3, the conlite ECU 4, the ECU customization tool 2, and the ECU customization device 1 update the contents of the setting items stored in the storage devices 30 and 40 will be described in order.

  First, the processing of the door ECU 3 and the conlite ECU 4 will be described with reference to the flowchart of FIG.

  Each of the ECUs 3 and 4 monitors whether a request for reading the contents of the setting items in the storage means 30 and 40 is transmitted from the ECU customizing device 1 or the ECU customizing tool 2 (step S1). When the setting content reading means 31 and 41 of each of the ECUs 3 and 4 receives the reading request (YES in step S1), all of the setting items stored in the storage means 30 and 40 are read and a reading request is transmitted. The contents of the read setting item are transmitted to the sender (step S2). When the setting item is specified by the read request, the setting content reading means 31 and 41 of each of the ECUs 3 and 4 read only the content of the specified setting item and transmit the content. Good.

  For example, when the ECU customizing apparatus 1 issues a read request for the setting content of the “two-stage unlock” 30C of the door ECU 3, and the door ECU 3 receives the read request, the setting content reading unit 31 is stored in the storage unit 30. Further, the setting content “OFF” 30F of the “two-stage unlocking” 30C is read, and the content is transmitted to the ECU customizing device 1.

  Note that the setting content reading means 31 and 41 of the ECUs 3 and 4 do not perform the above-described transmission unless receiving the reading request (NO in step S1).

  On the other hand, each of the ECUs 3 and 4 monitors whether a request to write the contents of the setting items in the storage means 30 and 40 is transmitted from the ECU customizing device 1 or the ECU customizing tool 2 (step S3). When the setting contents writing means 32 and 42 of each of the ECUs 3 and 4 receive the writing request (YES in step S3), the contents of the new setting items received from the ECU customizing apparatus 1 or the ECU customizing tool 2 are stored in the storage means 30. , 40 is written in a predetermined location to update the contents of the setting items (step S4). If the ECU customization device 1 has sent the write request and the master storage means 10 has all the contents of the setting items, the contents of the new setting items stored in the master storage means 10 You may make it write all in the memory | storage means 30 and 40 collectively.

  For example, when the ECU customizing apparatus 1 issues a write request for the setting content of the “vehicle speed auto-lock” 30A of the door ECU 3, and the door ECU 3 receives the write request, the setting content writing means 32 receives the “vehicle speed received together with the write request. The new setting content “OFF” of “AUTO LOCK” 30A is written in the storage unit 30 where the setting content “ON” 30D of “Vehicle Speed Auto Lock” 30D is stored, and the setting content is updated from “ON” 30D to “OFF”. To do. In this case, the setting content “ON” 10F of “vehicle speed auto-lock” 10A in the master storage means 10 of the ECU customizing device 1 has already been updated to “OFF”.

  The write request by the ECU customizing apparatus 1 may be transmitted each time the contents of each setting item in the master storage means 10 of the ECU customizing apparatus 1 are updated, such as an update button on a touch panel (not shown) May be sent together with other changes.

  Note that the setting content writing means 32 and 42 of the ECUs 3 and 4 do not perform the above-described writing unless receiving the writing request (NO in step S3).

  Secondly, processing of the ECU customization tool 2 will be described with reference to the flowchart of FIG.

  First, the ECU customization tool 2 transmits a read request to the ECUs 3 and 4 to read the contents of the setting items stored in the storage units 30 and 40 of the ECUs 3 and 4 (step S11). Displayed on the display means 20. Next, the ECU customization tool 2 causes the setting content change updating means 22 to change the contents of the setting items via the input means 21 while allowing the operator to check the contents of the setting items displayed on the display means 20 (step). S12). The setting content change update means 22 updates the contents of the setting items in the storage means 30 and 40 of the ECUs 3 and 4 in real time by transmitting a write request to the ECUs 3 and 4 (step S13).

  After the contents of the setting items in the storage units 30 and 40 of the ECUs 3 and 4 are updated, the master storage unit initialization unit 23 determines whether the ECU customizing apparatus 1 having the master storage unit 10 is connected to the same network. Is determined (step S14). This determination is performed by identification using a CAN terminal ID, an IP address, or the like. When the ECU customizing apparatus 1 exists on the same network (YES in step S14), the master storage unit initialization unit 23 Request is sent to the ECU customizing apparatus 1 (step S15).

  When the ECU customizing apparatus 1 does not exist on the same network (NO in step S14), the master storage unit initialization unit 23 does not transmit an initialization request.

  In this way, the initialization request is transmitted to the ECU customizing apparatus 1 in the network to which the ECU customizing apparatus 1 and the ECUs 3 and 4 according to the present embodiment are connected. On the premise that the contents of the setting items in the means 10 are the latest, the contents of the setting items in the storage means 30 and 40 of the ECUs 3 and 4 are updated according to the contents. This is because it is necessary to notify the ECU customizing device 1 of the fact. That is, if there is no notification from the ECU customization tool 2, the contents of the setting items in the latest state in the storage units 30 and 40 of the ECUs 3 and 4 are older than those in the master storage unit 10 of the ECU customization device 1. This is because the setting item is updated depending on the content of the setting item.

  Thirdly, the processing of the ECU customizing apparatus 1 will be described with reference to the flowchart of FIG.

  The ECU customizing device 1 first determines whether or not the processing by the ECU customizing device 1 is the first processing after the power is turned on (step S21). In this embodiment, normally, the contents of the setting items in the master storage means 10 are first changed and updated via the ECU customizing device 1, and then the contents of the setting items in the storage means 30 and 40 of the ECUs 3 and 4 are updated. Therefore, when the ECU customizing apparatus 1 is turned on, the contents of the setting items in the master storage means 10 are compared with the contents of the setting items in the storage means 30 and 40, and the setting contents of the ECUs 3 and 4 are in the latest state. It is because it confirms.

  If it is not the first process after power-on (NO in step S21), the process proceeds to step S27. If it is the first process after power-on (YES in step S21), the ECU customizing apparatus 1 compares the set contents. The means 16 determines whether or not the master storage means 10 is in the initial state (step S22). The master storage means 10 may be in the initial state when the ECU customizing device 1 is used for the first time or when the ECU customizing device 1 is repaired or replaced. For example, it is derived from the fact that the values of the setting items stored in the master storage unit 10 are all zero, indicate a predetermined value, or a predetermined flag indicating that it is in an initial state is turned on. .

  When the setting content comparison unit 16 determines that the master storage unit 10 is in the initial state (YES in step S22), the setting content acquisition unit 14 stores all setting items in the storage units 30 and 40 of the ECUs 3 and 4 respectively. The contents are read out and written into the master storage means 10 (step S23). This is because all the contents of the setting items in the master storage unit 10 are updated.

  When it is determined by the setting content comparison unit 16 that the master storage unit 10 is not in the initial state (NO in step S22), the setting content comparison unit 16 determines the contents of the setting items in the master storage unit 10 of the ECU customizing apparatus 1 and the ECU 3, The contents of the setting items in the storage means 30 and 40 of No. 4 are read (step S24).

  Thereafter, the setting content comparison unit 16 compares the contents of the setting items in the master storage unit 10 with the contents of the setting items in the storage units 30 and 40 (step S25).

  When the contents of the setting items in the master storage means 10 and the contents of the setting items in the storage means 30 and 40 completely match (YES in step S25), the process proceeds to step S27.

  When the contents of the setting item in the master storage means 10 and the contents of the setting items in the storage means 30 and 40 do not match (NO in step S25), the setting content update means 15 The contents of the setting items in the master storage means 10 of the ECU customizing apparatus 1 are written in the predetermined position 40 (step S26). This is because the contents of the setting items in the storage means 30 and 40 of the ECUs 3 and 4 are updated. Here, the setting content update unit 15 preferably writes the contents only for the setting items whose contents do not match, but may write them collectively including the setting items whose contents match.

  When the above power-on processing ends, the ECU customizing apparatus 1 monitors whether an initialization request is transmitted from the ECU customizing tool 2 (step S27).

  When the initialization request is received (YES in step S27), the setting content acquisition unit 14 reads the contents of all setting items in the storage units 30 and 40 of the ECUs 3 and 4 and writes the contents in the master storage unit 10. (Step S28). This is because the setting contents of the ECUs 3 and 4 are updated by the ECU customizing tool 2 without using the ECU customizing apparatus 1 and it can be determined that the contents of the setting items in the storage means 30 and 40 are the latest state.

  Unless the initialization request is received (NO in step S27), the setting content acquisition unit 14 does not execute the above-described writing.

  Further, the ECU customizing apparatus 1 displays the contents of the setting items in the master storage means 10 on the display means 11 by, for example, pressing a setting content change button (not shown) on the touch panel, and inputs the setting contents changing means 13. The contents of these setting items can be changed on the volatile storage device via the means 12, and the ECU customizing device 1 constantly monitors whether or not such a change has been made (step S29).

  When the content of the setting item is changed on the volatile storage device by the setting content changing means 13 (YES in step S29: setting content changing step), the ECU customizing device 1 masters the content of the changed setting item. Writing to the storage means 10 (step S30: first writing step). The ECU customizing apparatus 1 may write the contents of the change in the master storage means 10 each time the change is made on the volatile storage device, and controls the writing time by pressing a write button (not shown) on the touch panel. Also good. Writing to the master storage means 10 is faster than writing to the storage means 30 and 40 via the bus by the ECU customization tool 2 or the like because communication via the bus or the like is not performed.

  When the content of the setting item in the master storage unit 10 is updated, the setting content update unit 15 reads the content of the setting item in the master storage unit 10 of the ECU customizing apparatus 1 and stores the storage units 30 and 40 of the ECUs 3 and 4 respectively. The contents of the setting item corresponding to the predetermined position are written (step S31: second writing step). Here, the setting content update unit 15 preferably updates only the content of the changed setting item, but may update it in a batch including the content of the setting item that has not been changed.

  Note that the above writing is not executed unless the contents of the setting items are changed on the touch panel (NO in step S29).

  The ECU customizing apparatus 1 periodically executes the above-described processing so that the contents of the setting items in the master storage unit 10 are the same as the contents of the setting items in the storage units 30 and 40.

  With this configuration, the ECU customizing apparatus 1 separately stores the contents of the setting items that can be customized for the door ECU 3 and the conlite ECU 4 in the master storage unit 10 that is a nonvolatile storage unit, and the display unit 11 changes the setting items. Is performed, the change contents are quickly stored in the master storage means 10 without going through the bus, and then the door ECU 3 and the controller are connected via the bus based on the contents of the setting items in the master storage means 10. Since the contents of the setting items in the storage means 30 and 40 of each of the light ECUs 4 are updated, the operator updates the setting items in each of the ECUs 3 and 4 when the storage in the master storage means 10 is completed. The effect that the responsiveness of the update process can be improved Obtained.

  Further, the ECU customizing apparatus 1 can store the data stored in the master storage unit 10 even when the update process is interrupted due to power interruption or the like before the process of updating the storage units 30 and 40 of the ECUs 3 and 4 is completed. Using the contents, the update process can be restarted after the power is turned on again.

  In addition, when the ECU customization tool 2 updates the contents of the setting items of each ECU, the ECU customization tool 2 notifies the ECU customization device 1 to that effect. It is possible to provide the operator with two update means, that is, update via the ECU customization device 1 and update via the ECU customization tool 2 while preventing erroneous update of the contents. Further, the ECU customization tool 2 can update the contents of the setting items as usual even in a system that does not have the ECU customization device 1.

  The ECU customizing system 100 including the ECU customizing device 1 also changes the bus or changes the functions of the ECU connected to the ECU customizing system 100 (changes in communication protocol, control software, addition or deletion of components such as storage means). Therefore, a conventional ECU can be used as it is.

  The ECU customizing system 100 including the ECU customizing device 1 and the ECU customizing tool 2 includes two updates: updating the contents of setting items via the ECU customizing device 1 and updating the contents of setting items via the ECU customizing tool 2. An ECU corresponding to only one of the customizing means can also coexist in the ECU customizing system 100.

  The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above-described embodiments, and various modifications and substitutions can be made to the above-described embodiments without departing from the scope of the present invention. Can be added.

  For example, in the above-described embodiment, a case where only a conventional ECU provided with a non-volatile storage unit is connected will be described. However, an ECU customization system including the ECU customization device 1 and the ECU customization device 1 according to the present invention. 100 may include an ECU that does not have individual storage means but stores the contents of the setting items only in the master storage means 10 of the ECU customizing apparatus 1.

It is a figure which shows the structural example of the ECU customization system according to this invention. It is a figure which shows the example of a structure of each of the master memory | storage means of ECU customization apparatus, the memory | storage means of door ECU, and the memory | storage means of concite ECU. It is a flowchart which shows the flow of the process from which door ECU and concite ECU read the content of a setting item, or write it out. It is a flowchart which shows the flow of the process in which an ECU customization tool updates the content of the setting item of each ECU. It is a flowchart which shows the flow of the process in which an ECU customization apparatus updates the content of the setting item of each ECU.

Explanation of symbols

1 ECU customization device 2 ECU customization tool 3 Door ECU
4 Conlite ECU
DESCRIPTION OF SYMBOLS 10 Master memory | storage means 11, 20 Display means 12, 21 Input means 13 Setting content change means 14 Setting content acquisition means 15 Setting content update means 16 Setting content comparison means 22 Setting content change update means 23 Mask storage means initialization means 30, 40 Storage means 31, 41 Setting content reading means 32, 42 Setting content writing means 100 ECU customization system

Claims (5)

In an electronic control device customizing device connected to an electronic control device having storage means for storing the contents of customizable setting items,
Master storage means for reading out the contents of the setting items of the storage means and storing them separately;
Setting content changing means for changing the contents of the setting items stored in the master storage means;
Setting content updating means for writing the contents of the setting items changed by the setting content changing means and written in the master storage means to the storage means;
An electronic control device customizing device comprising: In an electronic control device customization tool connected to an electronic control device having storage means for storing the contents of customizable setting items,
Setting content change updating means for changing and updating the contents of the setting items of the storage means;
When the content of the setting item in the storage unit is changed and updated by the setting content change update unit, the master storage unit in the electronic control device customizing apparatus that separately stores the content of the setting item is initialized. Master storage means initialization means for transmitting a signal to the electronic control device customization apparatus;
An electronic control device customization tool characterized by comprising: An electronic control device comprising storage means for storing customizable setting item contents;
Changed by the master storage means for reading out the contents of the setting items in the storage means and storing them separately, the setting contents changing means for changing the contents of the setting items stored in the master storage means, and the setting contents changing means An electronic control device customizing apparatus comprising setting content update means for writing the contents of the setting items in the master storage means to the storage means;
An electronic control device customization system characterized by comprising: A setting content change updating unit that changes and updates the contents of the setting item in the storage unit, and the master storage unit is initialized when the setting item content in the storage unit is changed and updated by the setting content change updating unit An electronic control device customization tool comprising master storage means initialization means for transmitting a signal to the electronic control device customization device,
The electronic control device customization system according to claim 3, further comprising: When the contents of the setting items in the master storage means of the electronic control device customizing apparatus that separately stores the contents of the customizable setting items stored in the storage means of the electronic control apparatus are changed, the changed setting items A first writing step of writing content to the master storage means;
A second writing step of writing the contents of the setting items written in the first writing step into the storage unit;
A method for customizing an electronic control device, comprising:

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