CN105446902A - Motormeter road test data recording method - Google Patents
Motormeter road test data recording method Download PDFInfo
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- CN105446902A CN105446902A CN201410468327.1A CN201410468327A CN105446902A CN 105446902 A CN105446902 A CN 105446902A CN 201410468327 A CN201410468327 A CN 201410468327A CN 105446902 A CN105446902 A CN 105446902A
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Abstract
The invention discloses a motormeter road test data recording method. The motormeter road test data recording method comprises the following steps: S1, a storage space data removal step; S2, a data detection step; S3, a data recording step; and S4, a data reading step. The motormeter road test data recording method disclosed by the invention can be used for directly storing important road test data of the motormeter in a reserved space by the remaining nonvolatile storage space of the motormeter and guaranteeing the timeliness and the effectiveness of the data, the operation is simple, and the implementation is convenient.
Description
Technical field
The present invention relates to a kind of automobile instrument road examination data record method.
Background technology
Current automobile instrument is substantially all the validity needing to verify by gathering proving ground test data some function.Traditional recording method needs the supplier of instrument to be equipped with slip-stick artist, follow proving ground test and record road examination data, analyze again, so not only take manpower and financial resources, add the cost of development of product, and the not timely record of partial data can be caused, in addition, hand-kept data can not ensure the accuracy of data.
Summary of the invention
Above-mentioned in order to solve, the invention provides the design proposal of a kind of automobile instrument road examination data record method.
A kind of automobile instrument road examination data record method, comprises the following steps:
S1, storage space data dump step: before storage space starts to record data, host computer sends clear instruction to instrument, and instrument program is by the data dump in reserved non-volatile storage space; S2, data detecting step: instrument detects the need of record data according to the record rule preset in program, is enter step S3, otherwise continue to perform step S2; S3, sub-data recording step: instrument writes function according to non-volatile storage space, be stored into need the data stored in reserved non-volatile storage space; S4, data reading step: after road has been tried, fetch the instrument in the examination of road, host computer sends reading command to instrument, and instrument program is sent to host computer the data in reserved non-volatile storage space, and host computer is resolved according to default storage format.
Described S1 specifically comprises the following steps: S11, instrument receive clear command; The data segment of the reserved non-volatile storage space system number of specifying covers by S22, gauge internal; S12, after instrument powers on, utilize and specify system number location to record data from assigned address.
Described step S2 specifically comprises: arrange a global variable in a program, judges whether to store data according to design variables value.
Described step S3 specifically comprises: S31, establishment designated period detection function; S32, periodic function start the global variable arranged in trace routine; S33, when detecting that global variable is design variables value, data are stored to reserved non-volatile storage space according to default storage format.
In sum, the present invention has following beneficial effect: (1) can utilize the remaining non-volatile storage space of instrument, road important for instrument examination data is directly stored in this space, does not need deviser's proving ground test record data; (2) can cost of development be reduced, and ensure promptness and the validity of data, simple to operate, realization convenience.
Accompanying drawing explanation
Fig. 1 is the realization flow schematic diagram of a kind of automobile instrument road examination data record method of the present invention.
Embodiment
In order to allow those skilled in the art can understand technical scheme of the present invention better, below in conjunction with accompanying drawing, the invention will be further elaborated.
As shown in Figure 1, present invention is disclosed a kind of automobile instrument road examination data record method, comprise the following steps:
S1, storage space data dump step: before storage space starts to record data, host computer sends clear instruction to instrument, and instrument program is by the data dump in reserved non-volatile storage space; S2, data detecting step: instrument detects the need of record data according to the record rule preset in program, is enter step S3, otherwise continue to perform step S2; S3, sub-data recording step: instrument program writes function according to non-volatile storage space, be stored into need the data stored in reserved non-volatile storage space; S4, data reading step: after road has been tried, fetch the instrument in the examination of road, host computer sends reading command to instrument, and instrument program is sent to host computer the data in reserved non-volatile storage space, and host computer is resolved according to default storage format.
Before storage space starts to record data, instrument receives clear command, and the data segment of the reserved non-volatile storage space system number of specifying covers by gauge internal; After instrument powers on, utilize and specify system number location to record data from assigned address.
In order to ensure that this logging modle program and the normal application program module of instrument are independently opened, reducing the interference to instrument normal procedure, can following methods be adopted: a global variable is set in a program, judge whether to store data according to design variables value.If desired store data, oneself thinking that program runs to the place that should store data here and variate-value is set to 1.
Designated period detection function is created by the operating system of gauge internal; Periodic function starts the global variable set in trace routine; When detecting that global variable value is preset value, data are stored in reserved non-volatile storage space according to default storage format.
The present embodiment is more excellent embodiment of the present invention, and the part be not described in detail all adopts known mature technology.It should be noted that; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (4)
1. an automobile instrument road examination data record method, is characterized in that, comprise the following steps:
S1, storage space data dump step: before storage space starts to record data, host computer sends clear instruction to instrument, and instrument program is by the data dump in reserved non-volatile storage space;
S2, data detecting step: instrument detects the need of record data according to the record rule preset in program, is enter step S3, otherwise continue to perform step S2;
S3, sub-data recording step: instrument program writes function according to non-volatile storage space, be stored into need the data stored in reserved non-volatile storage space;
S4, data reading step: after road has been tried, fetch the instrument in the examination of road, host computer sends reading command to instrument, and instrument program is sent to host computer the data in reserved non-volatile storage space, and host computer is resolved according to default storage format.
2. a kind of automobile instrument road examination data record method according to claim 1, it is characterized in that, described S1 specifically comprises the following steps:
S11, instrument receive clear command;
The data segment of the reserved non-volatile storage space system number of specifying covers by S22, gauge internal;
S12, after instrument powers on, utilize and specify system number location to record data from assigned address.
3. a kind of automobile instrument road examination data record method according to claim 2, it is characterized in that, described step S2 specifically comprises: arrange a global variable in a program, judges whether to store data according to design variables value.
4. a kind of automobile instrument road examination data record method according to claim 3, it is characterized in that, described step S3 specifically comprises:
S31, establishment designated period detection function;
S32, periodic function start the global variable arranged in trace routine;
S33, when detecting that global variable value is preset value, data are stored to reserved non-volatile storage space according to default storage format.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468327.1A CN105446902B (en) | 2014-09-16 | 2014-09-16 | A kind of automobile instrument road test data record method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468327.1A CN105446902B (en) | 2014-09-16 | 2014-09-16 | A kind of automobile instrument road test data record method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105446902A true CN105446902A (en) | 2016-03-30 |
| CN105446902B CN105446902B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410468327.1A Active CN105446902B (en) | 2014-09-16 | 2014-09-16 | A kind of automobile instrument road test data record method |
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Citations (8)
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| CN2639064Y (en) * | 2003-08-25 | 2004-09-08 | 姚揆一 | Multifunction vehicle instrument |
| CN2685136Y (en) * | 2004-02-13 | 2005-03-16 | 江苏瑞通信息产业有限公司 | Vehicle electronic liquid crystal intelligent combined instrument panel |
| CN201272251Y (en) * | 2008-08-27 | 2009-07-15 | 深圳市天昊科技有限公司 | Vehicle monitoring instrument |
| CN201362188Y (en) * | 2009-01-21 | 2009-12-16 | 比亚迪股份有限公司 | Automobile combination instrument |
| CN201503607U (en) * | 2008-12-30 | 2010-06-09 | 成都新欣神风电子科技有限公司 | Vehicle-mounted data acquisition recorder |
| CN101995262A (en) * | 2009-08-26 | 2011-03-30 | 孙婷婷 | Embedded automobile digital instrument |
| CN103593265A (en) * | 2012-08-16 | 2014-02-19 | 现代自动车株式会社 | Method and system for preventing loss of trip data in vehicle |
| EP2725764A1 (en) * | 2012-03-12 | 2014-04-30 | Huawei Technologies Co., Ltd | Data storage method and data storage device |
-
2014
- 2014-09-16 CN CN201410468327.1A patent/CN105446902B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2639064Y (en) * | 2003-08-25 | 2004-09-08 | 姚揆一 | Multifunction vehicle instrument |
| CN2685136Y (en) * | 2004-02-13 | 2005-03-16 | 江苏瑞通信息产业有限公司 | Vehicle electronic liquid crystal intelligent combined instrument panel |
| CN201272251Y (en) * | 2008-08-27 | 2009-07-15 | 深圳市天昊科技有限公司 | Vehicle monitoring instrument |
| CN201503607U (en) * | 2008-12-30 | 2010-06-09 | 成都新欣神风电子科技有限公司 | Vehicle-mounted data acquisition recorder |
| CN201362188Y (en) * | 2009-01-21 | 2009-12-16 | 比亚迪股份有限公司 | Automobile combination instrument |
| CN101995262A (en) * | 2009-08-26 | 2011-03-30 | 孙婷婷 | Embedded automobile digital instrument |
| EP2725764A1 (en) * | 2012-03-12 | 2014-04-30 | Huawei Technologies Co., Ltd | Data storage method and data storage device |
| CN103593265A (en) * | 2012-08-16 | 2014-02-19 | 现代自动车株式会社 | Method and system for preventing loss of trip data in vehicle |
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| CN105446902B (en) | 2019-02-19 |
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