CN105550005A - Debugging and upgrading method through USB port - Google Patents
Debugging and upgrading method through USB port Download PDFInfo
- Publication number
- CN105550005A CN105550005A CN201610054204.2A CN201610054204A CN105550005A CN 105550005 A CN105550005 A CN 105550005A CN 201610054204 A CN201610054204 A CN 201610054204A CN 105550005 A CN105550005 A CN 105550005A
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- CN
- China
- Prior art keywords
- debugging
- usb
- upgrading
- target device
- rompaq
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Stored Programmes (AREA)
- Debugging And Monitoring (AREA)
Abstract
The invention discloses a debugging and upgrading method through a USB port. The method comprises following steps: starting a debugging and upgrading platform by a user, starting the USB-Host function unit in the debugging and upgrading platform, operating an ISP debugging and upgrading program; connecting a target device with the debugging and upgrading platform through a USB connecting device, after the target device is electrified, operating a guide debugging and upgrading program, starting a USB-Device communication function, not starting the internal upward pull of the target device; wherein the USB-Host function unit in the debugging and upgrading platform monitors the connecting action of the target device according to the triggering signals provided by the upward pull resistor in the USB connecting device, informing the ISP debugging and upgrading program, sending a debugging and upgrading command packet to the target device by the ISP debugging and upgrading program; after receiving the debugging and upgrading command packet by the target device, entering a debugging and upgrading mode. When a user needs to debug and upgrade, the method can be used; the target device only reserving an embedded system USB interface can be conveniently debugged and upgraded through the method.
Description
technical field:
The present invention relates to a kind of method of carrying out debugging upgrading by USB port.
background technology:
Along with electronic information technology develop rapidly, embedded system application is ubiquitous, is not recurrent, is but absolutely necessary to the renewal of embedded system, upgrading.Embedded system inside guides debugging ROMPaq (BootLoader) mainly in order to realize the function such as remote upgrade, renewal of embedded system, guide debugging ROMPaq (BootLoader) first to run after embedded system powers on, it judges whether to carry out debugging upgrading according to some specific trigger conditions.Under normal circumstances, the triggering mode of embedded systems debugging upgrading comprises: one, by additional physical detection mode, as button, jumps and emits; Two, in limiting time, self-defining packet is monitored by certain interface (USB interface, serial ports etc.).
For mode one, producer may need the embedded systems debugging upgrade interface reserved in Embedded System Product external packing for receiving physics trigger pip, but this may affect the overall appearance of Embedded System Product and cause hardware cost to waste; If do not reserve this interface in Embedded System Product external packing, then need to product tear machine open to carry out debugging upgrading, this concerning user use very not convenient.
For mode two, if the target device of band USB interface is connected with computing machine, first guiding debugging ROMPaq (BootLoader) run in target device can simulate a USB device, namely a USB device is ejected on computers, for the user not needing to carry out debugging upgrading, this USB device does not wish to occur.Such as: target device is a USB flash disk, when this USB flash disk is connected with computing machine, then first can eject a self-defining USB device on computers, or the USB device (UnknownDevice) that ejection one is unknown, and then there is a USB flash disk equipment, this have impact on the use not needing to carry out the user debugging upgrading.
In sum, provide a kind of by USB port carry out debug upgrading method become a urgent problem.
summary of the invention:
The object of the invention is for above-mentioned Problems existing, a kind of method of carrying out debugging upgrading by USB port is provided.Its object is to, when user needs to carry out debugging upgrading, use the USB coupling arrangement in this method to connect, also conveniently can complete its debugging updating operation to the target device only reserving embedded system USB interface, and maintain target device overall appearance and save hardware cost.In most cases, user does not need to carry out debugging upgrading, uses generic USB line to connect, there is not the phenomenon of appearance twice USB device.
The present invention is achieved by the following technical solutions:
Carry out a method of debugging upgrading by USB port, described method comprises: user opens debugging upgrading platform, enables USB-Host functional unit in debugging upgrading platform, runs ISP and debug ROMPaq, and now debugging upgrading platform is in AM automatic monitoring pattern; Target device is connected by USB coupling arrangement and debugging platform of upgrading, described USB coupling arrangement comprises the pull-up resistor for providing connecting moves signal to debugging upgrading platform, run after target device powers on and guide debugging ROMPaq (BootLoader), enable USB-Device communication function, do not enable the inner pull-up of target device; In debugging upgrading platform, USB-Host functional unit listens to target device connecting moves by the trigger pip that pull-up resistor in USB coupling arrangement provides, and notice ISP debugs ROMPaq, and ISP debugs ROMPaq and sends debugging upgrade command bag to target device; Target device enters debugging upgrade mode after receiving debugging upgrade command bag.
Described a kind of being undertaken by USB port debugs the method for upgrading, and described USB coupling arrangement adopts USB connecting line or USB connector, and described USB connecting line or USB connector comprise the pull-up resistor for providing connecting moves signal to debugging upgrading platform.
Described a kind of being undertaken by USB port debugs the method for upgrading, and platform comprises USB-Host communication function unit, ISP debugs ROMPaq in described debugging upgrading;
Described USB-Host functional unit, for monitoring USB device connecting moves, communicates with target device;
Described ISP debugs ROMPaq and is used for communicating with guiding debugging ROMPaq (BootLoader) of target device, sends debugging upgrade command bag.
Described a kind of being undertaken by USB port debugs the method for upgrading, and described target device comprises USB-Device functional unit, guides debugging ROMPaq (BootLoader), user program (Applicationcode);
Described USB-Device functional unit is used for upgrading with debugging Platform communication;
Described guiding debugging ROMPaq (BootLoader) carries out debugging upgrading for guiding target equipment, is the first program run after powering on;
Described user program (Applicationcode) is the target program that user will run.When after escape leading debugging ROMPaq, then can run user program.If user does not carry out debugging upgrading, adopt generic USB line to connect, target device does not receive debugging upgrade command bag within a certain period of time, then can debug ROMPaq, run user program by overtime escape leading.
Beneficial effect:
A kind of being undertaken by USB port provided by the invention debugs the method for upgrading, when user needs to carry out debugging upgrading, the USB coupling arrangement in this method is used to connect, also conveniently can complete its debugging updating operation to the target device only reserving embedded system USB interface, and maintain target device overall appearance and save hardware cost.In most cases, user does not need to carry out debugging upgrading, uses generic USB line to connect, there is not the phenomenon of appearance twice USB device.
embodiment:
Below the specific embodiment of the present invention is described in detail.According to following description and in conjunction with claims, advantages and features of the invention will be clearer.
In the present embodiment, a kind of being undertaken by USB port debugs the method for upgrading, and said method comprising the steps of:
User opens debugging upgrading platform, enables USB-Host functional unit in debugging upgrading platform, runs ISP and debug ROMPaq, and now debugging upgrading platform is in AM automatic monitoring pattern.Debugging upgrading platform can be on computing machine, mobile phone; Target device is connected by external USB coupling arrangement and debugging platform of upgrading, described USB coupling arrangement comprises the pull-up resistor for providing connecting moves signal to debugging upgrading platform, run after target device powers on and guide debugging ROMPaq (BootLoader), enable USB-Device communication function, do not enable the inner pull-up of target device; In debugging upgrading platform, USB-Host functional unit listens to target device connecting moves by the trigger pip that pull-up resistor in USB coupling arrangement provides, and notice ISP debugs ROMPaq, and ISP debugs ROMPaq and sends debugging upgrade command bag to target device; Target device enters debugging upgrade mode after receiving debugging upgrade command bag.
In the present embodiment, a kind of being undertaken by USB port debugs the method for upgrading, described USB coupling arrangement adopts USB connecting line or USB connector, and described USB connecting line or USB connector comprise the pull-up resistor for providing connecting moves signal to debugging upgrading platform.According to usb protocol, the upstream port of USB device end is furnished with the pull-up resistor of a 1.5kohm, if be connected on D+, being high speed or full-speed device, if be connected on D-, is low-speed device.USB-Host port is exactly carried out the connection of judgment device by the level of two data lines in detection physical cord and removed, and the type of equipment.
In the present embodiment, a kind of being undertaken by USB port debugs the method for upgrading, and platform comprises USB-Host functional unit, ISP debugs ROMPaq in described debugging upgrading; Described USB-Host functional unit is for monitoring USB device connecting moves, when there is no equipment connection, USB-Host port D+ and D-line are all low levels, and when there being USB-Device equipment connection, D+ and D-has one to become the stage of high level state transit time through one.If high speed or full-speed device, then D+ is driven high, and D-is constant; Low-speed device then in contrast.USB-Host detects this signal, can judge there is equipment connection, and the type of this equipment, then communicates with target device; When equipment removes, D+ or D-has one to become the stage of low level state transit time through one.Described ISP debugs ROMPaq and is used for communicating with guiding debugging ROMPaq (BootLoader) of target device, sends debugging upgrade command bag.
In the present embodiment, a kind of being undertaken by USB port debugs the method for upgrading, and described target device comprises USB-Device functional unit, guides debugging ROMPaq (BootLoader), user program (Applicationcode); Described USB-Device functional unit is used for upgrading with debugging Platform communication; Described guiding debugging ROMPaq (BootLoader) carries out debugging upgrading for guiding target equipment, is the first program run after powering on.Debugging ROMPaq (BootLoader) is guided to be the first paragraph code that embedded system performs after power, judge whether to enter debugging upgrade mode according to specific condition, if enter debugging upgrade mode, then receive the data that transmit of USB interface for upgrading user program (Applicationcode); If do not enter debugging upgrade mode, then escape leading debugging ROMPaq run user program (Applicationcode).Described user program is the target program that user will run.When after escape leading debugging ROMPaq, then can run user program.If user does not carry out debugging upgrading, adopt generic USB line to connect, target device does not receive debugging upgrade command bag within a certain period of time, then can debug ROMPaq, run user program by overtime escape leading.
The above is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, not departing from the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. one kind is carried out the method for debugging upgrading by USB port, it is characterized in that, described method comprises: user opens debugging upgrading platform, enables USB-Host functional unit in debugging upgrading platform, run ISP and debug ROMPaq, now debugging upgrading platform is in AM automatic monitoring pattern; Target device is connected by USB coupling arrangement and debugging platform of upgrading, described USB coupling arrangement comprises the pull-up resistor for providing connecting moves signal to debugging upgrading platform, run after target device powers on and guide debugging ROMPaq, enable USB-Device communication function, do not enable the inner pull-up of target device; In debugging upgrading platform, USB-Host functional unit listens to target device connecting moves by the trigger pip that pull-up resistor in USB coupling arrangement provides, and notice ISP debugs ROMPaq, and ISP debugs ROMPaq and sends debugging upgrade command bag to target device; Target device enters debugging upgrade mode after receiving debugging upgrade command bag.
2. a kind of being undertaken by USB port debugs the method for upgrading as claimed in claim 1, it is characterized in that: described USB coupling arrangement adopts USB connecting line or USB connector, described USB connecting line or USB connector comprise the pull-up resistor for providing connecting moves signal to debugging upgrading platform.
3. a kind of being undertaken by USB port debugs the method for upgrading as claimed in claim 1, it is characterized in that: platform comprises USB-Host functional unit, ISP debugs ROMPaq in described debugging upgrading;
Described USB-Host functional unit, for monitoring USB device connecting moves, communicates with target device;
Described ISP debugs ROMPaq and is used for communicating with the guiding ROMPaq of target device, sends debugging upgrade command bag.
4. a kind of being undertaken by USB port debugs the method for upgrading as claimed in claim 1, it is characterized in that:
Described target device comprises USB-Device functional unit, guides debugging ROMPaq, user program;
Described USB-Device functional unit is used for upgrading with debugging Platform communication;
Described guiding debugging ROMPaq is used for guiding target equipment and carries out debugging upgrading, is the first program run after powering on;
Described user program is the target program that user will run, when after escape leading debugging ROMPaq, then and can run user program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054204.2A CN105550005B (en) | 2016-01-27 | 2016-01-27 | Method for debugging and upgrading through USB port |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054204.2A CN105550005B (en) | 2016-01-27 | 2016-01-27 | Method for debugging and upgrading through USB port |
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| Publication Number | Publication Date |
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| CN105550005A true CN105550005A (en) | 2016-05-04 |
| CN105550005B CN105550005B (en) | 2022-05-03 |
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| CN201610054204.2A Active CN105550005B (en) | 2016-01-27 | 2016-01-27 | Method for debugging and upgrading through USB port |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106406967A (en) * | 2016-11-15 | 2017-02-15 | 恒鸿达信息技术有限公司 | STM32-based USB online upgrade method and system |
| CN106843037A (en) * | 2016-12-30 | 2017-06-13 | 硅谷数模半导体（北京）有限公司 | The upgrade method and system of single-chip microcomputer |
| CN107885650A (en) * | 2016-09-30 | 2018-04-06 | 联芯科技有限公司 | A kind of program debugging method and system |
| CN111240965A (en) * | 2020-01-03 | 2020-06-05 | 珠海亿智电子科技有限公司 | ISP real-time debugging method and system |
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| CN101963910A (en) * | 2010-09-21 | 2011-02-02 | 深圳市元征软件开发有限公司 | General USB (Universal Serial Bus) based equipment firmware updating method |
| CN102169442A (en) * | 2011-03-24 | 2011-08-31 | 杭州华三通信技术有限公司 | Method, equipment, device and system for performing system boot by using USB (universal serial bus) device |
| CN103309711A (en) * | 2013-06-18 | 2013-09-18 | 天津七一二通信广播有限公司 | Bootstrap loader circuit based on USB interface |
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2016
- 2016-01-27 CN CN201610054204.2A patent/CN105550005B/en active Active
Patent Citations (4)
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| US20070006035A1 (en) * | 2003-08-28 | 2007-01-04 | Kazou Usui | Microcomputer and method for developing system program |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107885650A (en) * | 2016-09-30 | 2018-04-06 | 联芯科技有限公司 | A kind of program debugging method and system |
| CN106406967A (en) * | 2016-11-15 | 2017-02-15 | 恒鸿达信息技术有限公司 | STM32-based USB online upgrade method and system |
| CN106843037A (en) * | 2016-12-30 | 2017-06-13 | 硅谷数模半导体（北京）有限公司 | The upgrade method and system of single-chip microcomputer |
| CN106843037B (en) * | 2016-12-30 | 2019-04-12 | 硅谷数模半导体（北京）有限公司 | The upgrade method and system of single-chip microcontroller |
| CN111240965A (en) * | 2020-01-03 | 2020-06-05 | 珠海亿智电子科技有限公司 | ISP real-time debugging method and system |
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| Publication number | Publication date |
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| CN105550005B (en) | 2022-05-03 |
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Address after: No. 18 Ningshuang Road, Yuhuatai District, Nanjing City, Jiangsu Province, 210012 Applicant after: Nanjing qinheng Microelectronics Co.,Ltd. Address before: No. 18 Ningshuang Road, Yuhuatai District, Nanjing City, Jiangsu Province, 210012 Applicant before: NANJING YI HUO TECHNOLOGY Co.,Ltd. |
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