CN109977042A - A kind of USB on-line debugging system and method - Google Patents
A kind of USB on-line debugging system and method Download PDFInfo
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- CN109977042A CN109977042A CN201910151400.5A CN201910151400A CN109977042A CN 109977042 A CN109977042 A CN 109977042A CN 201910151400 A CN201910151400 A CN 201910151400A CN 109977042 A CN109977042 A CN 109977042A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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Abstract
The invention discloses a kind of USB on-line debugging system and adjustment methods, comprising the following steps: S1, user send the request of artificial debugging function according to demand on debugging tool；S2, artificial debugging function request are successively transmitted to debugging control center module by the first USB driving, the 2nd USB driving；S3, the debugging control center module receive the artificial debugging function request；S4, debugging control center module analyze the artificial debugging function and request and execute.Electronic product existing capability interface USB can be used directly in USB on-line debugging system of the invention, does not need additional debugging hardware, at low cost；Also, it does not need that function debugging program will be wanted to write in system in advance, is imported, can be changed by outside；Still has the function of read-write all system datas or information；System can on-line operation debugging, after debugging system operate normally, can execute external specific function (such as analysis system, develop new function, system testing etc.).
Description
Technical field
The present invention relates to consumer electronics products to debug field, especially a kind of USB on-line debugging system and method.
Background technique
With the continuous development of contemporary electronic technology and universal, the consumer electronics product with USB interface is in each neck
The application in domain is quite extensive, such as mobile phone, camera, household electrical appliance, various monitoring devices etc..
Product is made of hardware and software, wherein software has various function due to design and exploitation
Problem, and the producing cause of each problem is diversified.Therefore, it needs to debug software before product publication,
To guarantee product quality.
Existing electronic product software carries out debugging technique and is broadly divided into two classes: serially printing, debugging emulation device.But institute
The debugging interface (such as serial ports, emulator interface) used product development listing after, be essentially all in idle state, and
Occupy PI N pin.
Meanwhile both adjustment methods also have other drawbacks, it is as follows:
Serially printing: (1) it needs to modify source program and compiles downloading or programming；(2) need will function debugging program it is pre-
It first writes in system, and can not change；(3) predetermined system data or information can only be read and write；(4) system data can not be write
Or information；(5) external specific function can not be executed (such as analysis system develops new function, system testing etc.)
Debugging emulation device: (1) system is out of service at breakpoint, cannot sometimes operate normally again after debugging；(2) it needs
Additional debugging hardware (emulator), it is at high cost；(2) can not execute external specific function (such as analysis system, develop new function,
System testing etc.).
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of low cost, debugging function external can be changed
USB on-line debugging system and method.
The technical solution adopted by the present invention is that:
A kind of USB on-line debugging system, including
Terminal is debugged, which is provided with the first USB driving and the tune with the first USB driving communication connection
Trial work tool, the debugging tool for sending the request of artificial debugging function for user according to demand；
Embedded platform is assemblied in electronic product to be debugged, which is provided with the behaviour of successively communication connection
Make system, debugging control center module, the 2nd USB driving, the 2nd USB driving can pass through USB data line and described first
USB drives communication connection to be used for transmission the request of artificial debugging function, and the debugging control center module is described imitative for receiving
True debugging function requests and executes processing.
Further, the debugging control center module includes reading the first processing module of specified addressed memory data, writing finger
Determine the Second processing module of addressed memory data, the third processing module for reading specified number CPU register, write specified number CPU
The fourth processing module of register and specified memory address execute artificial debugging function the 5th processing module.
Further, artificial debugging function performed by the 5th processing module includes reading specified addressed memory data, writing
Specified addressed memory data read specified number CPU register, write specified number CPU register, all in calling system can be performed
Function.
Wherein, the debugging terminal (1) includes desktop computer, notebook computer, tablet computer or smart phone.
A kind of adjustment method using the USB on-line debugging system, includes the following steps
S1, user send the request of artificial debugging function according to demand on debugging tool；
S2, artificial debugging function request are successively transmitted to debugging control by the first USB driving, the 2nd USB driving
Center module；
S3, the debugging control center module receive the artificial debugging function request；
S4, debugging control center module analyze the artificial debugging function and request and execute.
Further, debugging control center module also may be selected to request to send by the artificial debugging function in the step S4
It is executed to operating system.
Beneficial effects of the present invention:
Electronic product existing capability interface USB can be used directly in USB on-line debugging system of the invention, does not need additional
Hardware is debugged, it is at low cost；Also, it does not need that function debugging program will be wanted to write in system in advance, is imported, can be changed by outside；
Still has the function of read-write all system datas or information；System can on-line operation debugging, after debugging system operate normally,
External specific function can be executed (such as analysis system develops new function, system testing etc.).
Detailed description of the invention
A specific embodiment of the invention is described further with reference to the accompanying drawing.
Fig. 1 is a kind of structural schematic diagram of USB on-line debugging system of the present invention；
Fig. 2 is a kind of flow chart of USB on-line debugging method of the present invention.
Specific embodiment
As shown in Figure 1, be a kind of USB on-line debugging system of the invention, including
Terminal 1 is debugged, which is provided with the first USB driving 2 and drives 2 communication connections with the first USB
Debugging tool 3, the debugging tool 3 for sent according to demand for user artificial debugging function request；
Embedded platform 4 is assemblied in electronic product to be debugged, which is provided with successively communication connection
Operating system 5, debugging control center module 6, the 2nd USB driving 7, the 2nd USB driving 7 can pass through USB data line and institute
It states the first USB and drives 2 communication connections to be used for transmission the request of artificial debugging function, the debugging control center module 6 is for connecing
The artificial debugging function is received to request and execute processing.
Specific configuration as above-mentioned technical proposal, the debugging control center module 6 of the invention include reading specified ground
The first processing module of location internal storage data, the Second processing module for writing specified addressed memory data read specified number CPU register
Third processing module, write the fourth processing module of specified number CPU register and execute emulation tune in specified memory address
5th processing module of trial function enumerates all debugging function operations substantially.
Individually below it is the embodiment of above-mentioned five kinds of processing modules:
Embodiment 1: specified addressed memory data are read
Read 0x80000000 0x100 (read address 0x80000000, length 0x100)
Embodiment 2: specified addressed memory data are write
Write 0x80200000 0x200 (write address 0x80200000, length 0x200)
Embodiment 3: specified number CPU register is read
Read$2
Embodiment 4: specified number CPU register is write
Write$2 0x10010000
Embodiment 5: XXX function in calling system
Call AFunc000 Param1 Param2 Param3 Param4
Call SFunc000 Param1 Param2 Param3 Param4
Call 0x80200000 Param1 Param2 Param3 Param4
AFunc000:Application Func ID(000)
SFunc000:System Func ID(000)
0x80200000:Function Address
Optimization as above-mentioned technical proposal, artificial debugging function performed by the 5th processing module include read it is specified
Addressed memory data write specified addressed memory data, read specified number CPU register, write specified number CPU register, call
Above-mentioned all debugging function operations also may be implemented by the 5th processing module in all executable functions in system.
Wherein, the debugging terminal 1 include desktop computer, notebook computer, tablet computer or smart phone or other
Conventionally known debugging terminal, does not do unique restriction herein.
The invention also includes the scheme with the same inventive concept of above-mentioned technical proposal, i.e., a kind of application USB is adjusted online
The adjustment method of test system, comprising the following steps:
S1, user send the request of artificial debugging function according to demand on debugging tool；
S2, artificial debugging function request are successively transmitted to debugging control by the first USB driving, the 2nd USB driving
Center module；
S3, the debugging control center module receive the artificial debugging function request；
S4, debugging control center module analyze the artificial debugging function and request and execute.
In order to improve debugging efficiency, debugging control center module also be may be selected the artificial debugging function in the step S4
It can request that and be sent to operating system execution.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to above embodiment, as long as with
Essentially identical means realize that the technical solution of the object of the invention belongs within protection scope of the present invention.
Claims (6)
1. a kind of USB on-line debugging system, it is characterised in that: including
It debugs terminal (1), which is provided with the first USB driving (2) and communicates with the first USB driving (2)
The debugging tool (3) of connection, the debugging tool (3) for sending the request of artificial debugging function for user according to demand；
Embedded platform (4), is assemblied in electronic product to be debugged, which is provided with successively communication connection
Operating system (5), debugging control center module (6), the 2nd USB driving (7), the 2nd USB driving (7) can pass through USB number
According to line and the first USB driving (2) communication connection to be used for transmission the request of artificial debugging function, the debugging control center die
Block (6) requests for receiving the artificial debugging function and executes processing.
2. a kind of USB on-line debugging system according to claim 1, it is characterised in that: the debugging control center module
(6) include the first processing module for reading specified addressed memory data, the Second processing module for writing specified addressed memory data, read to refer to
The third processing module of the number of delimiting the organizational structure CPU register writes the fourth processing module for specifying number CPU register and specified interior
Deposit the 5th processing module that address executes artificial debugging function.
3. a kind of USB on-line debugging system according to claim 2, it is characterised in that: the 5th processing module is held
Capable artificial debugging function includes reading specified addressed memory data, writing specified addressed memory data, read specified number CPU deposit
Device writes specified number CPU register, all executable functions in calling system.
4. a kind of USB on-line debugging system according to claim 1, it is characterised in that: the debugging terminal (1) includes platform
Formula computer, notebook computer, tablet computer or smart phone.
5. a kind of adjustment method using any USB on-line debugging system of claim 1-4, it is characterised in that: including with
Lower step
S1, user send the request of artificial debugging function according to demand on debugging tool；
S2, artificial debugging function request are successively transmitted to debugging control center by the first USB driving, the 2nd USB driving
Module；
S3, the debugging control center module receive the artificial debugging function request；
S4, debugging control center module analyze the artificial debugging function and request and execute.
6. adjustment method according to claim 5, it is characterised in that: debugging control center module may be used also in the step S4
Artificial debugging function request is sent to operating system and executed by selection.
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| CN201910151400.5A CN109977042A (en) | 2019-02-28 | 2019-02-28 | A kind of USB on-line debugging system and method |
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| CN201910151400.5A CN109977042A (en) | 2019-02-28 | 2019-02-28 | A kind of USB on-line debugging system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114860520A (en) * | 2022-04-22 | 2022-08-05 | 珠海海奇半导体有限公司 | USB slave equipment extraction detection circuit |
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Application publication date: 20190705 |