CN205563537U - Motorcycle electronic instrument software upgrading device - Google Patents
Motorcycle electronic instrument software upgrading device Download PDFInfo
- Publication number
- CN205563537U CN205563537U CN201620115108.XU CN201620115108U CN205563537U CN 205563537 U CN205563537 U CN 205563537U CN 201620115108 U CN201620115108 U CN 201620115108U CN 205563537 U CN205563537 U CN 205563537U
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- interface
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- instrument
- pin
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Abstract
The utility model discloses an it agrees with regard to realizable motorcycle electronic instrument software upgrading device with complicated to need not to tear open the table, and belongs to the electronic technology field, single line number through linking to each other with the general IO mouth pin of motorcycle electronic instrument CPU draws the instrument outside according to the transmission line, the power of instrument uses the current storage battery power supply of motorcycle, the external interface who draws forth the instrument is direct continuous with the programmable device, utilize the single line updating program, only occupy pin of CPU, and the pin is appointed nimble, that the general IO mouth pin of CPU can, still reduce the expense because of the software upgrading produces in the time of the costneutrality.
Description
Technical field
This utility model relates to a kind of motorcycle electronic meters software renewing apparatus, belongs to electronic technology field.
Background technology
Conventional motorcycle electronic meters, when needs update software BUG, needs to pull down instrument from car, is then split out by meter movement, special programmable device just can be utilized to update software.The instrument of some imports can update software in the case of not tearing table open, general employing CAN or K-Line bus realize, but this instrument is required to extra CAN and K-Line chip just can be realized, comprise the instrument of both functions usually to have in the vehicle of ECU and just can assemble simultaneously, and need complicated agreement, such as J1939 agreement.
Utility model content
In view of above prior art exists operational inconvenience, this utility model provides and a kind of is not required to tear open table and motorcycle electronic meters software renewing apparatus that agreement just can be easily accomplished.
For reaching above-mentioned purpose, the technical scheme that this utility model is used is:
Motorcycle electronic meters software renewing apparatus, including the Single-wire data transmission line with at least three interface, one of them interface is connected with motorcycle electronic meters CPU universal I/O port pin and is used for realizing data transmission, one interface connects motorcycle storage battery and powers to device, another interface is used for external programmable device, described Single-wire data transmission line is for connecting the interface of motorcycle storage battery and being provided with resistance between the interface of external programmable device, described Single-wire data transmission line is for connecting the interface of CPU universal I/O port pin and being provided with resistance between the interface of external programmable device.
After using said structure, software renewing apparatus provided by the utility model, in the case of need not tear car open or tear table open, utilize single line more new procedures, only take up mono-pin of CPU, and pin is specified flexibly, it it is CPU universal I/O port pin, without any agreement, it is easy to be drawn out to gauge external operation, also reduce the expense produced because of software upgrading while not increasing cost.
Below by way of the drawings and specific embodiments, this utility model is further elaborated.
Accompanying drawing explanation
Fig. 1 is connection diagram of the present utility model.
Label declaration:
Single-wire data transmission line 4, interface 1, interface 2, interface 3, resistance 5.
Detailed description of the invention
Motorcycle electronic meters software BUG is updated and often uses online serial programming by prior art, takies chip pin more during programming, and programming port is fixing pin, and being drawn out to gauge external is more difficult to, and therefore generally instrument is split out and carries out software upgrading operation.As it is shown in figure 1, motorcycle electronic meters software renewing apparatus disclosed in the utility model, use single line more new procedures, utilize one of them universal I/O port pin of Single-wire data transmission line 4 and motorcycle electronic meters CPU to be connected, be drawn out to gauge external and operate.
The Single-wire data transmission line 4 that this utility model is used, comprise interface 1, interface 2 and interface 3, wherein interface 1 is connected with motorcycle electronic meters CPU universal I/O port pin, and only take up a CPU pin, interface 2 and motorcycle storage battery are connected to instrument power supply, the external programmable device of interface 3, is equipped with resistance 5 between interface 1 and interface 3 and between interface 2 and interface 3.
When carrying out motorcycle electronic meters software BUG and updating, first the interface 1 of Single-wire data transmission line 4 is connected with motorcycle electronic meters CPU universal I/O port, CPU universal I/O port is realized data transmission as port, the interface 2 of Single-wire data transmission line 4 is directly connected with motorcycle storage battery, to instrument power supply, the interface 3 of Single-wire data transmission line 4 first connects outside flash single-chip microcomputer, utilize flash single-chip microcomputer from erasable function, the bootstrap downloaded before dispatching from the factory with CPU, guide CPU that the code of specific region is wiped, again the interface 3 of Single-wire data transmission line 4 is connected with outside programmable device, by new code write CPU specific region, thus complete the renewal of motorcycle electronic meters software BUG.
Above example is only in order to illustrate the technical solution of the utility model and unrestricted, other amendment or equivalents that the technical solution of the utility model is made by those of ordinary skill in the art, without departing from the spirit and scope of technical solutions of the utility model, all should contain in right of the present utility model.
Claims (1)
1. motorcycle electronic meters software renewing apparatus, it is characterized in that: include the Single-wire data transmission line with at least three interface, one of them interface is connected with motorcycle electronic meters CPU universal I/O port pin and is used for realizing data transmission, one interface connects motorcycle storage battery and powers to device, another interface is used for external programmable device, described Single-wire data transmission line is for connecting the interface of motorcycle storage battery and being provided with resistance between the interface of external programmable device, described Single-wire data transmission line is for connecting the interface of CPU universal I/O port pin and being provided with resistance between the interface of external programmable device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115108.XU CN205563537U (en) | 2016-02-05 | 2016-02-05 | Motorcycle electronic instrument software upgrading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115108.XU CN205563537U (en) | 2016-02-05 | 2016-02-05 | Motorcycle electronic instrument software upgrading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205563537U true CN205563537U (en) | 2016-09-07 |
Family
ID=56820845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620115108.XU Active CN205563537U (en) | 2016-02-05 | 2016-02-05 | Motorcycle electronic instrument software upgrading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205563537U (en) |
-
2016
- 2016-02-05 CN CN201620115108.XU patent/CN205563537U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |