CN102411527B - Detecting method for image-processing chip, developing plate and detecting system - Google Patents
Detecting method for image-processing chip, developing plate and detecting system Download PDFInfo
- Publication number
- CN102411527B CN102411527B CN201010290526.XA CN201010290526A CN102411527B CN 102411527 B CN102411527 B CN 102411527B CN 201010290526 A CN201010290526 A CN 201010290526A CN 102411527 B CN102411527 B CN 102411527B
- Authority
- CN
- China
- Prior art keywords
- content
- e2prom
- development board
- processing chip
- picture processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012545 processing Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 238000011161 development Methods 0.000 claims description 52
- 230000000052 comparative effect Effects 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 19
- 238000004088 simulation Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Landscapes
- Facsimiles In General (AREA)
- Debugging And Monitoring (AREA)
Abstract
The invention provides a detecting method for an image-processing chip, a developing plate and a detecting system, wherein the detecting method comprises the following steps of: step 1, reading the storage content of an E2PROM (Electrically Erasable Programmable Read-Only Memory) connected with the image-processing chip to be used as a first content by the developing plate; step 2, simulating the plugging-unplugging operation of a USB (Universal Serial Bus) interface by controlling the on-off of a USB data wire and a USB power-supply wire of the image-processing chip by the developing plate according to testing parameters; step 3, after simulating the plugging-unplugging operation of the USB interface, reading the storage content of the E2PROM to be used as a second content by the developing plate; and step 4, comparing the first content and the second content by the developing plate to obtain a comparison result. Through the invention, the mistaken operation for generating E2PROM rewriting can be rapidly positioned, and the technical problems that the detecting efficiency is low and the mistaken operation does not easily reoccur in the prior art are solved.
Description
Technical field
The present invention relates to the detection technique of the E2PROM of picture processing chip, particularly relate to a kind of detection method of picture processing chip, development board and detection system.
Background technology
Picture processing chip can use E2PROM (Electrically Erasable Programmable Read-Only Memory usually; EEPROM (Electrically Erasable Programmable Read Only Memo)); it is the storer that after a kind of power down, data are not lost; generally be used to the configuration doing some chips; flexible by the mode of E2PROM configuring chip, conveniently can change the configuration of chip.
When E2PROM protection is not very strict, in picture processing chip operating process, occurs that E2PROM content is changed randomly on each question sometimes, cause the phenomenon of chip cisco unity malfunction.
In order to find out E2PROM by the various operational circumstances rewritten at random, normally manually restarting chip operation, the configuration of reading chip, determining whether E2PROM changes.Such inefficient operation, and problem is not easy reproduction.So how locating E2PROM fast and rewrite problem, and conveniently determine by the unit rewritten, is have problem to be solved.。
Summary of the invention
The object of this invention is to provide a kind of detection method of picture processing chip, development board and detection system, the faulty operation producing E2PROM and rewrite can be located fast, solve the technical matters that prior art detection efficiency is low, faulty operation is not easy reproduction.
To achieve these goals, on the one hand, provide a kind of detection method of picture processing chip, comprising:
Step one, development board reads the storage content of the E2PROM be connected with picture processing chip, as first content;
Step 2, described development board, according to test parameter, by the break-make of the USB data line and USB power source line that control described picture processing chip, simulates the plug operation of USB interface;
Step 3, after the plug operation of simulation USB interface, described development board reads the storage content of described E2PROM, as the second content;
Step 4, the more described first content of described development board and the second content, obtain comparative result.
Preferably, in above-mentioned method, also comprised before described step 2: described development board receives described test parameter by serial ports; Also comprise after described step 4: step 5, described development board sends described comparative result by described serial ports.
Preferably, in above-mentioned method, described development board reads the storage content of described E2PROM by I2C data line; Described test parameter is the parameter of the multiple plug speed of simulation USB interface.
Preferably, in above-mentioned method, described development board makes described I2C data line effective by I2C control line, after the described picture processing chip of confirmation does not operate described E2PROM, disconnects described I2C control line.
To achieve these goals, the embodiment of the present invention additionally provides a kind of development board for detected image process chip, comprising:
First reading unit, for: the storage content reading the E2PROM be connected with picture processing chip, as first content;
Analogue unit, for: according to test parameter, by the break-make of the USB data line and USB power source line that control described picture processing chip, simulate the plug operation of USB interface;
Second reading unit, for: after the plug operation of simulation USB interface, the storage content of the described E2PROM of reading, as the second content;
Comparing unit, for: more described first content and the second content, obtain comparative result.
Preferably, in above-mentioned development board, also comprise Transmit-Receive Unit, for: receive described test parameter by serial ports, send described comparative result by serial ports.
Preferably, in above-mentioned development board, described development board reads the storage content of described E2PROM by I2C data line; Described test parameter is the parameter of the multiple plug speed simulating USB interface.
To achieve these goals, the embodiment of the present invention additionally provides a kind of detection system of picture processing chip, comprising: picture processing chip, E2PROM, development board and PC;
Described picture processing chip is connected described E2PROM by I2C data line with I2C control line;
Described development board is used for: the storage content being read described E2PROM by described I2C data line, as first content; According to test parameter, by the break-make of the USB data line and USB power source line that control described picture processing chip, simulate the plug operation of USB interface; After the plug operation of simulation USB interface, read the storage content of described E2PROM, as the second content; More described first content and the second content, obtain comparative result;
Described PC is used for: provide described test parameter to described development board, receives described comparative result.
At least there is following technique effect in the present invention:
1) embodiment of the present invention can simulate the multiple plug operation of USB interface by test parameter, and then determine the impact of different operations on E2PROM, E2PROM can be oriented rapidly accurately by the various operational circumstances rewritten at random, greatly improve testing efficiency;
2) test parameter can be undertaken arranging and revising by PC, test process is easily operated, has very high dirigibility, can make up the place that many personal monitorings can not accomplish;
3) comparative result obtained, tester is conveniently checked, and whether E2PROM content changes, and changes the address of unit and change the content of front and back;
4) by controlling the USB data line of described picture processing chip and the break-make of USB power source line, simulate the plug operation of USB interface, situation can be changed more accurate than E2PROM in personal monitoring's chip operation E2PROM process, more save time, improve monitoring efficiency significantly, and method easily operates, there is very high dirigibility, make up the place that many personal monitorings can not accomplish.
Accompanying drawing explanation
The flow chart of steps of the method that Fig. 1 provides for the embodiment of the present invention;
The structural drawing of the development board that Fig. 2 provides for the embodiment of the present invention;
The structural drawing of the detection system that Fig. 3 provides for the embodiment of the present invention;
The detailed step process flow diagram of the method that Fig. 4 provides for the embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, specific embodiment is described in detail.
The flow chart of steps of the method that Fig. 1 provides for the embodiment of the present invention, as shown in Figure 1, the detection method of picture processing chip comprises:
Step 101, development board reads the storage content of the E2PROM be connected with picture processing chip, as first content;
Step 102, described development board, according to test parameter, by the break-make of the USB data line and USB power source line that control described picture processing chip, simulates the plug operation of USB interface;
Step 103, after the plug operation of simulation USB interface, described development board reads the storage content of described E2PROM, as the second content;
Step 104, the more described first content of described development board and the second content, obtain comparative result.
Visible, the embodiment of the present invention can simulate the multiple plug operation of USB interface by test parameter, and then determine the impact of different operations on E2PROM, E2PROM can be oriented rapidly accurately by the various operational circumstances rewritten at random, greatly improve testing efficiency.And easily operate, there is very high dirigibility, the place that many personal monitorings can not accomplish can be made up.
Wherein, also comprised before described step 102: described development board receives described test parameter by serial ports; Also comprise after described step 104: described development board sends described comparative result by described serial ports.
Wherein, described development board reads the storage content of described E2PROM by I2C data line; Described test parameter is the parameter of the multiple plug speed of simulation USB interface.Described development board makes described I2C data line effective by I2C (Inter-Integrated Circuit) control line, after the described picture processing chip of confirmation does not operate described E2PROM, disconnects described I2C control line.
The structural drawing of the development board that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, the development board 200 for detected image process chip comprises:
First reading unit 201, for: the storage content reading the E2PROM be connected with picture processing chip, as first content;
Analogue unit 202, for: according to test parameter, by the break-make of the USB data line and USB power source line that control described picture processing chip, simulate the plug operation of USB interface;
Second reading unit 203, for: after the plug operation of simulation USB interface, the storage content of the described E2PROM of reading, as the second content;
Comparing unit 204, for: more described first content and the second content, obtain comparative result.
Wherein, Transmit-Receive Unit 205 can also be comprised, for: receive described test parameter by serial ports, send described comparative result by serial ports.Described development board reads the storage content of described E2PROM by I2C data line; Described test parameter is the parameter of the multiple plug speed simulating USB interface.
The structural drawing of the detection system that Fig. 3 provides for the embodiment of the present invention, as shown in Figure 3, the detection system of picture processing chip, it comprises: picture processing chip 301, E2PROM 302, development board 303 and PC 304;
Described picture processing chip 301 is connected described E2PROM 302 by I2C data line 311 with I2C control line 312;
Described development board 303 for the storage content that read described E2PROM by described I2C data line 311, as first content; According to test parameter, by the break-make of the USB data line 321 and USB power source line 322 that control described picture processing chip, simulate the plug operation of USB interface; After the plug operation of simulation USB interface, read the storage content of described E2PROM, as the second content; More described first content and the second content, obtain comparative result;
Described PC 304 for: provide described test parameter to described development board, receive described comparative result.
Wherein, development board (demoboard) 303 is Arm (Advanced RISC Machines) development board device, is specifically made up of Arm development board and Arm application program.By the on/off of Arm application program controlling picture processing chip; Whether whether effectively application program controlling E2PROM reads and writes data line, control read-write E2PROM operation, compare E2PROM content and change; Application program prints the change information of E2PROM to PC by serial line interface.
Picture processing chip 301 and E2PROM 302 form picture processing chip daughter board assemblies, and daughter board provides the interface of USB data line and power lead, provide the interface of E2PROM control line and E2PROM and to read and write data line.
PC (PC) 304, mutual by serial ports and Arm development board device, controls Arm application program performs and the output of reception application program.
The embodiment of the present invention is with different time interval controls USB line break-makes, make chip operation or restart, with different time interval controls I2C lines, monitor when EEPROM is write, Energy control is stopped when being write, the address provided by rewriting by serial line interface is changed with rewriting context, facilitates debugging and the solution of E2PROM problem.
The detailed step process flow diagram of the method that Fig. 4 provides for the embodiment of the present invention, as shown in Figure 4, detailed step flow process is as follows:
Step 401, system line and the operation that powers on, giving tacit consent to all gauge tap is all connect;
Step 402, Arm application program first time reads and writes E2PROM content and preserves, and as a reference, preparation and next E2PROM content compare.
Step 403, accepts the control command of PC, the break-make of simulation USB line, and E2PROM control line makes I2C data line effective, when confirming that picture processing chip does not operate E2PROM, disconnects the control line of E2PROM.
Application program controlling USB power source line, USB data line break-make, simulate with friction speed plug USB line, make-and-break time interval and the break-make number of times of USB power source line and data line arbitrarily can be changed by optimum configurations.
PC by the break-make of order pilot relay, can change USB power source line in operational process, the break-make of USB data line and I2C control line, convenient, flexible blocked operation mode.
Step 404, application program second time read-write E2PROM content.
Step 405, whether application program compares twice E2PROM content and changes.
Step 406, application program exports comparison information by serial ports to PC.Whether E2PROM content changes to facilitate tester to check, and changes the address of unit and change the content of front and back.
As from the foregoing, the embodiment of the present invention has following advantage:
1) embodiment of the present invention can simulate the multiple plug operation of USB interface by test parameter, and then determine the impact of different operations on E2PROM, E2PROM can be oriented rapidly accurately by the various operational circumstances rewritten at random, greatly improve testing efficiency;
2) test parameter can be undertaken arranging and revising by PC, test process is easily operated, has very high dirigibility, can make up the place that many personal monitorings can not accomplish;
3) comparative result obtained, tester is conveniently checked, and whether E2PROM content changes, and changes the address of unit and change the content of front and back;
4) by controlling the USB data line of described picture processing chip and the break-make of USB power source line, simulate the plug operation of USB interface, situation can be changed more accurate than E2PROM in personal monitoring's chip operation E2PROM process, more save time, improve monitoring efficiency significantly, and method easily operates, there is very high dirigibility, make up the place that many personal monitorings can not accomplish.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a detection method for picture processing chip, is characterized in that, comprising:
Step one, development board reads the storage content of the E2PROM be connected with picture processing chip, as first content;
Step 2, described development board, according to test parameter, by the break-make of the USB data line and USB power source line that control described picture processing chip, simulates the plug operation of USB interface;
Step 3, after the plug operation of simulation USB interface, described development board reads the storage content of described E2PROM, as the second content;
Step 4, the more described first content of described development board and described second content, obtain comparative result.
2. detection method according to claim 1, is characterized in that, also comprises before described step 2: described development board receives described test parameter by serial ports; Also comprise after described step 4: step 5, described development board sends described comparative result by described serial ports.
3. detection method according to claim 1 and 2, is characterized in that, described development board reads the storage content of described E2PROM by I2C data line; Described test parameter is the parameter of the multiple plug speed of simulation USB interface.
4. detection method according to claim 3, is characterized in that, described development board makes described I2C data line effective by I2C control line, after the described picture processing chip of confirmation does not operate described E2PROM, disconnects described I2C control line.
5. for a development board for detected image process chip, it is characterized in that, comprising:
First reading unit, for: the storage content reading the E2PROM be connected with picture processing chip, as first content;
Analogue unit, for: according to test parameter, by the break-make of the USB data line and USB power source line that control described picture processing chip, simulate the plug operation of USB interface;
Second reading unit, for: after the plug operation of simulation USB interface, the storage content of the described E2PROM of reading, as the second content;
Comparing unit, for: more described first content and described second content, obtain comparative result.
6. development board according to claim 5, is characterized in that, also comprises Transmit-Receive Unit, for: receive described test parameter by serial ports, send described comparative result by serial ports.
7. development board according to claim 5, is characterized in that, described development board reads the storage content of described E2PROM by I2C data line; Described test parameter is the parameter of the multiple plug speed simulating USB interface.
8. a detection system for picture processing chip, is characterized in that, comprising: picture processing chip, E2PROM, development board and PC;
Described picture processing chip is connected described E2PROM by I2C data line with I2C control line;
Described development board is used for: the storage content being read described E2PROM by described I2C data line, as first content; According to test parameter, by the break-make of the USB data line and USB power source line that control described picture processing chip, simulate the plug operation of USB interface; After the plug operation of simulation USB interface, read the storage content of described E2PROM, as the second content; More described first content and described second content, obtain comparative result;
Described PC is used for: provide described test parameter to described development board, receives described comparative result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010290526.XA CN102411527B (en) | 2010-09-21 | 2010-09-21 | Detecting method for image-processing chip, developing plate and detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010290526.XA CN102411527B (en) | 2010-09-21 | 2010-09-21 | Detecting method for image-processing chip, developing plate and detecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102411527A CN102411527A (en) | 2012-04-11 |
| CN102411527B true CN102411527B (en) | 2015-01-21 |
Family
ID=45913611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010290526.XA Active CN102411527B (en) | 2010-09-21 | 2010-09-21 | Detecting method for image-processing chip, developing plate and detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102411527B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104077250B (en) * | 2014-06-27 | 2019-02-01 | Tcl集团股份有限公司 | A kind of connection processing method and device of intelligent terminal and storage equipment |
| CN109359079B (en) * | 2018-10-16 | 2021-05-14 | 福建实达电脑设备有限公司 | Simulation plug-in device and method for automatically maintaining USB connection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0449242A3 (en) * | 1990-03-28 | 1992-10-28 | National Semiconductor Corporation | Method and structure for providing computer security and virus prevention |
| CN1553327A (en) * | 2003-05-30 | 2004-12-08 | 上海华园微电子技术有限公司 | Circuit for testing EEPROM and testing method thereof |
| CN2783391Y (en) * | 2004-02-09 | 2006-05-24 | 联想(北京)有限公司 | Plug-pull free multi-state USB device |
| CN101727989A (en) * | 2008-10-16 | 2010-06-09 | 付建云 | NAND FLASH memory chip test system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6883109B2 (en) * | 2001-07-30 | 2005-04-19 | Hewlett-Packard Development Company, L.P. | Method for accessing scan chains and updating EEPROM-resident FPGA code through a system management processor and JTAG bus |
-
2010
- 2010-09-21 CN CN201010290526.XA patent/CN102411527B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0449242A3 (en) * | 1990-03-28 | 1992-10-28 | National Semiconductor Corporation | Method and structure for providing computer security and virus prevention |
| CN1553327A (en) * | 2003-05-30 | 2004-12-08 | 上海华园微电子技术有限公司 | Circuit for testing EEPROM and testing method thereof |
| CN2783391Y (en) * | 2004-02-09 | 2006-05-24 | 联想(北京)有限公司 | Plug-pull free multi-state USB device |
| CN101727989A (en) * | 2008-10-16 | 2010-06-09 | 付建云 | NAND FLASH memory chip test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102411527A (en) | 2012-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108519938B (en) | Memory chip compatibility test method, system and test host | |
| CN106547653B (en) | Computer system fault state detection method, device and system | |
| CN105738854A (en) | Simulation memory test board system for intelligent ammeter embedded application and test method | |
| CN103150188B (en) | The compatible video card fast initializing method of the x86 of non-x 86 instruction set computer | |
| CN101377749B (en) | Method, programmable logic device, system and apparatus for checking memory data | |
| CN113407393B (en) | Chip verification method, terminal device, verification platform and storage medium | |
| CN107193699A (en) | One kind tests the wide time-delay method of HCA cassette tapes automatically by RDMA modes | |
| CN104731678A (en) | RAID storage mode test system and method and electronic device | |
| WO2023092942A1 (en) | Data storage method and apparatus, and electronic device and readable storage medium | |
| CN110427289A (en) | The method and device that automatic test SSD power down influences data consistency | |
| CN102915209B (en) | Storage control chip, storage equipment and system data writing method | |
| CN102916741A (en) | Optical module hardware online test method | |
| CN113204456A (en) | Test method, tool, device and equipment for VPP interface of server | |
| CN102411527B (en) | Detecting method for image-processing chip, developing plate and detecting system | |
| CN114281624A (en) | Method, system, device and equipment for testing I2C signal integrity | |
| CN113960391A (en) | Abnormal power failure testing device and method for storage medium | |
| CN103809051A (en) | Automatic test system and switch matrix and detection method thereof in automatic test system | |
| CN115083510B (en) | Solid state disk testing method and device, storage medium, power supply and electronic equipment | |
| CN106610862B (en) | Emulator supporting EEPROM power-down test | |
| CN111459730A (en) | PCH (physical channel) end parameter adjusting method and system under Whitley platform | |
| CN102855166A (en) | Mainboard testing system and method | |
| CN104750535B (en) | NAND Flash emulation controllers and control adjustment method | |
| CN109686397A (en) | Memory with self-checking function and its checking method | |
| CN112732498B (en) | Test method, device, equipment and storage medium for simulating single-point power-on and power-off of equipment | |
| CN112885403A (en) | Function test method, device and equipment of Flash controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170526 Address after: 030032 Shanxi province Taiyuan Dachang economic and Technological Development Zone g.credit Industrial Park Road No. 13 Patentee after: SHANXI ZHONGTIANXIN SCIENCE AND TECHNOLOGY CO.,LTD. Address before: 100083, Haidian District, Xueyuan Road, Beijing No. 35, Nanjing Ning building, 15 Floor Patentee before: VIMICRO Corp. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 030000 Zhongxing Technology Industrial Park, No.13, Dachang South Road, Taiyuan Tanghuai Park, Shanxi comprehensive reform demonstration zone, Taiyuan City, Shanxi Province Patentee after: Zhongxing Intelligent System Technology Co.,Ltd. Address before: 030000 zhongtianxin Industrial Park, No.13, Dachang South Road, Shanxi demonstration zone, Taiyuan City, Shanxi Province Patentee before: Shanxi zhongtianxin Technology Co.,Ltd. Address after: 030000 zhongtianxin Industrial Park, No.13, Dachang South Road, Shanxi demonstration zone, Taiyuan City, Shanxi Province Patentee after: Shanxi zhongtianxin Technology Co.,Ltd. Address before: 030032 Shanxi province Taiyuan Dachang economic and Technological Development Zone g.credit Industrial Park Road No. 13 Patentee before: SHANXI ZHONGTIANXIN SCIENCE AND TECHNOLOGY Co.,Ltd. |