CN104077203A - Method and device for diagnosing computer hardware through USB interface - Google Patents
Method and device for diagnosing computer hardware through USB interface Download PDFInfo
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- CN104077203A CN104077203A CN201410340166.8A CN201410340166A CN104077203A CN 104077203 A CN104077203 A CN 104077203A CN 201410340166 A CN201410340166 A CN 201410340166A CN 104077203 A CN104077203 A CN 104077203A
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Abstract
The invention discloses a method and device for diagnosing computer hardware through a USB interface and relates to the technical field of computers. The method comprises the steps that when a computer detects that an external device is inserted into the USB interface of the computer, the ID of the external device is identified; if the external device is judged to be a diagnosing card used for diagnosing the computer hardware according to an identifying result of the ID of the external device, a detection result of an internal self-check program of a BIOS is transmitted to the USB interface, and then is transmitted to the diagnosing card through the USB interface so that the diagnosing card can diagnose the computer hardware according to the detection result of the internal self-check program of the BIOS. According to the method and device for diagnosing the computer hardware through the USB interface, the USB interface of the computer can have the hardware diagnosing function, a common USB device and a common USB diagnosing card are intelligently identified, maintenance and computer development are facilitated, cost is saved, the operation of reserving a connector of a diagnosing interface is omitted, and thus computer faults can be diagnosed without demounting a shell.
Description
Technical field
The present invention relates to field of computer technology, particularly a kind of method and the device that can diagnose via USB (universal serial bus) (USB:Universal Serial Bus) Interface realization computer hardware.
Background technology
Computer main board failure diagnosis card can judge computer hardware problem quickly and easily, is current popular diagnostic tool.Computer main board failure diagnosis card is a kind of test card that detects computer main board failure, when diagnostic card inserts after the peripheral component interconnect (PCI:Peripheral Component Interconnect) or industrial standard architectures (ISA:Industrial Standard Architecture) slot of computer main board, continuous access 80Port port, and demonstrate POST code by the charactron of computer main board failure diagnosis card.When wrong or deadlock appear in computer main board, the POST code that the charactron of this computer main board failure diagnosis card shows stops changing.Tester's reason that the shown POST code judgement that stops changing makes mistakes according to charactron.
Computer main board failure diagnosis card is nearly all universal asynchronous receiving-transmitting transmitter (UART:Universal Asynchronous Receiver/Transmitter) at present, low pin number (LPC:Low Pin Count) interface, the interfaces such as System Management Bus (SM BUS:System Management BUS).Along with the development of computer industry, at notebook, desktop computer, the UART interface in all-in-one disappears, and LPC interface and SM BUS belong to the interface of computer inside, during maintenance, must first take computer apart, cause in hardware diagnostic more time-consuming.
Summary of the invention
The object of the present invention is to provide and a kind ofly can via USB interface, realize method and the device of computer hardware diagnosis, can solve when diagnosis computer glitch and must take the problem consuming time that casing brings apart.
According to an aspect of the present invention, provide a kind of and can via USB interface, realize the method for computer hardware diagnosis, having comprised:
When COMPUTER DETECTION is inserted its USB interface to external unit, described external unit ID is identified;
If according to the recognition result of described external unit ID, judge that described external unit is USB device, described USB device is linked into usb bus interface, to operate accordingly;
If according to the recognition result of described external unit ID, judge that described external unit is the diagnostic card for computer hardware is diagnosed, the testing result of BIOS built in self testing program is transferred to described USB interface, via described USB interface, give described diagnostic card again, so that described diagnostic card is diagnosed computer hardware according to the testing result of described BIOS built in self testing program.
Preferably, also comprise:
In the USB of computing machine controller, USB switch is set, utilizes described USB switch opens or close the passage corresponding with USB function;
Wherein, described USB function refers to the data stream transmitting function of USB device, and the hardware diagnostic function of diagnostic card.
Preferably, described USB device is finger keyboard, touch pad, or USB flash disk.
Preferably, the step that the described ID to described external unit identifies comprises:
Described USB controller obtains the ID of described external unit, obtains operator code and the manufacturer code of described external unit, and sends to usb host;
The ID that described usb host utilization prestores and the corresponding relation of device type, obtaining described external unit is USB device or the recognition result of diagnostic card.
Preferably, the described external unit of described judgement is USB device, and the step that described USB device is linked into usb bus interface comprises:
If recognition result is USB device, utilize the described USB switch opens passage corresponding with described USB device;
Via the passage corresponding with described USB device and usb bus interface, make to transmit alternately from the data stream of USB device and the data stream in central processing unit.
Preferably, the described external unit of described judgement is the diagnostic card for computer hardware is diagnosed, and the step that testing result of BIOS built in self testing program is transferred to described USB interface comprises:
If recognition result is diagnostic card, utilize the described USB switch opens passage corresponding with described diagnostic card;
Utilize the passage corresponding with described diagnostic card, the misdirection code being sent by BIOS of the formula of self-embedding in the future controller is transferred to described USB interface via SM BUS bus interface.
Preferably, also comprise: the misdirection code being sent by BIOS of described self-embedding in future formula controller is transferred to described USB interface via inter-integrated circuit (I2C:Inter-Integrated Circuit) or the bus interface that is comprised of DATA and CLOCK pin.
According to a further aspect in the invention, provide a kind of and can via USB interface, realize the device of computer hardware diagnosis, having comprised:
Identification module, while inserting its USB interface for COMPUTER DETECTION to external unit, identifies described external unit ID;
USB device module, if for according to the recognition result of described external unit ID, judge that described external unit is USB device, is linked into usb bus interface by described USB device, to operate accordingly;
Diagnostic card module, if be used for according to the recognition result of described external unit ID, judge that described external unit is the diagnostic card for computer hardware is diagnosed, the testing result of BIOS built in self testing program is transferred to described USB interface, via described USB interface, give described diagnostic card again, so that described diagnostic card is diagnosed computer hardware according to the testing result of described BIOS built in self testing program.
Preferably, described identification module further comprises:
USB switch submodule, arranges USB switch for the USB controller at computing machine, utilizes described USB switch opens or closes the passage corresponding with USB function.
Preferably, described diagnostic card module further comprises:
Open submodule, if be diagnostic card for recognition result, utilize the described USB switch opens passage corresponding with described diagnostic card;
Transmission submodule, for utilizing the passage corresponding with described diagnostic card, the misdirection code being sent by BIOS of the formula of self-embedding in the future controller is transferred to described USB interface via SM BUS bus interface.
Compared with prior art, beneficial effect of the present invention is: the present invention can be by allowing the USB interface of computer possess hardware diagnostic function, the USB device that Intelligent Recognition is common and USB diagnostic card, convenient for maintaining and development of computers, save cost, save the connector of reserved diagnose interface, thereby realize, need not take casing apart, also can diagnose computer glitch.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention provide can realize via USB interface the Method And Principle figure of computer hardware diagnosis;
Fig. 2 be the embodiment of the present invention provide can realize via USB interface the structure drawing of device of computer hardware diagnosis;
Fig. 3 be the embodiment of the present invention provide can realize via USB interface the workflow diagram of computer hardware diagnosis.
Embodiment
Below in conjunction with accompanying drawing, to a preferred embodiment of the present invention will be described in detail, should be appreciated that following illustrated preferred embodiment, only for description and interpretation the present invention, is not intended to limit the present invention.
Fig. 1 be the embodiment of the present invention provide can via USB interface, realize the Method And Principle figure of computer hardware diagnosis, as shown in Figure 1, concrete steps are as follows:
Step S1: when COMPUTER DETECTION is inserted its USB interface to external unit, described external unit ID is identified.
In step S1, also comprise:
In the USB of computing machine controller, USB switch is set, utilizes described USB switch opens or close the passage corresponding with USB function;
Wherein, described USB function refers to the data stream transmitting function of USB device, and the hardware diagnostic function of diagnostic card.
Further, described USB device is finger keyboard, touch pad, or USB flash disk.
Further, the step that the described ID to described external unit identifies comprises:
Described USB controller obtains the ID of described external unit, obtains operator code and the manufacturer code of described external unit, and sends to usb host;
The ID that described usb host utilization prestores and the corresponding relation of device type, obtaining described external unit is USB device or the recognition result of diagnostic card.
Step S2: if according to the recognition result of described external unit ID, judge that described external unit is USB device, described USB device is linked into usb bus interface, to operate accordingly.
In step S2, if recognition result is USB device, utilize the described USB switch opens passage corresponding with described USB device;
Via the passage corresponding with described USB device and usb bus interface, make to transmit alternately from the data stream of USB device and the data stream in central processing unit.
Step S3: if according to the recognition result of described external unit ID, judge that described external unit is the diagnostic card for computer hardware is diagnosed, the testing result of BIOS built in self testing program is transferred to described USB interface, via described USB interface, give described diagnostic card again, so that described diagnostic card is diagnosed computer hardware according to the testing result of described BIOS built in self testing program.
In step S3, if recognition result is diagnostic card, utilize the described USB switch opens passage corresponding with described diagnostic card;
Utilize the passage corresponding with described diagnostic card, the misdirection code being sent by BIOS of the formula of self-embedding in the future controller is transferred to described USB interface via SM BUS bus interface.
Further, also comprise: the misdirection code being sent by BIOS of described self-embedding in future formula controller is transferred to described USB interface via I2C or the bus interface that is comprised of DATA and CLOCK pin.
Fig. 2 be the embodiment of the present invention provide can via USB interface, realize the structure drawing of device of computer hardware diagnosis, as shown in Figure 2, comprising: identification module, USB device module and diagnostic card module.
When described identification module inserts its USB interface for COMPUTER DETECTION to external unit, described external unit ID is identified.Wherein, the USB switch submodule of described identification module, for USB switch being set at the USB of computing machine controller, utilizing described USB switch opens or closes the passage corresponding with USB function.
If described USB device module, for according to the recognition result of described external unit ID, judges that described external unit is USB device, described USB device is linked into usb bus interface, to operate accordingly.
If described diagnostic card module is used for according to the recognition result of described external unit ID, judge that described external unit is the diagnostic card for computer hardware is diagnosed, the testing result of BIOS built in self testing program is transferred to described USB interface, via described USB interface, give described diagnostic card again, so that described diagnostic card is diagnosed computer hardware according to the testing result of described BIOS built in self testing program.Wherein, if the submodule of opening of described diagnostic card module is diagnostic card for recognition result, utilize the described USB switch opens passage corresponding with described diagnostic card.The transmission submodule of described diagnostic card module is for utilizing the passage corresponding with described diagnostic card, and the misdirection code being sent by BIOS of the formula of self-embedding in the future controller is transferred to described USB interface via SM BUS bus interface.
Fig. 3 be the embodiment of the present invention provide can realize via USB interface the workflow diagram of computer hardware diagnosis, as shown in Figure 3, central processing unit (claims again signal operation controller, SOC:Signal Operation Control) be main processing controller most crucial in computer, comprise north and south bridge, be integrated in a chip package the inside, for carrying out data stream with USB device, mutually transmit.Embedded controller (EC:Embedded Controller) is the singlechip controller for functions such as battery managements, for the misdirection code that the 80Port port by BIOS is sent, via SM BUS bus interface, is transferred to described USB interface.Having 2, to select the USB controller of 1 switch be the operator code (vendor ID) of external unit and the controller of manufacturer code (product ID) of the access of identification USB interface, by the identification of function of USB being set to 2 tunnel input routes, and therefrom select a road that signal is outputed to USB interface.Input route 1 is the incoming line being connected with usb bus interface.Input route 2 is the incoming lines that are connected with SM BUS or I2C or the bus interface that is comprised of with CLOCK DATA.Specific implementation step is as follows:
Step 1: when COMPUTER DETECTION is inserted its USB interface to external unit, described external unit ID is identified.
Step 2: if recognition result is USB device, open the passage of incoming line 1, USB device is linked into usb bus interface, and according to the pull-up resistor on USB interface D+/D-, realize corresponding operating.
Step 3: if recognition result is diagnostic card, the data of exporting on BIOS fixed address 80Port port are transferred to described USB interface via incoming line 2, via described USB interface, give described diagnostic card again, so that diagnostic card is converted to POST code according to these data, thereby realize the diagnosis to computer hardware.
Wherein, diagnostic card can be according to the mapping relations between preset POST code and Word message corresponding to described POST code, the POST code of storing in the POST code being converted to and preset mapping relations is compared, find out the corresponding Word message of POST code after conversion, and by the POST code being converted to or/and Word message corresponding to described POST code by charactron, show.
In addition, diagnostic card principle is measured SM BUS or I2C or any SM of being different from BUS or the 2PIN of I2C or the host-host protocol of 1PIN, the code of the 80Port port of sending out by translation usb host, thus misdirection code reaches diagnostic purpose.
After common computer is introduced this invention, just can realize hardware diagnostic by the USB interface USB diagnostic card of arranging in pairs or groups.
In sum, the present invention has following technique effect: can be by allowing the USB interface of computer possess hardware diagnostic function, the USB device that Intelligent Recognition is common and USB diagnostic card, convenient service device (Service) maintenance material returned examination (RMA:Return Material Authorization) computer, also be convenient to development of computers hardware diagnostic, save cost, save the connector of reserved diagnose interface, thereby realize and need not take casing apart, also can diagnose computer glitch.
Although above the present invention is had been described in detail, the invention is not restricted to this, those skilled in the art of the present technique can carry out various modifications according to principle of the present invention.Therefore, all modifications of doing according to the principle of the invention, all should be understood to fall into protection scope of the present invention.
Claims (10)
1. can via USB interface, realize a method for computer hardware diagnosis, it is characterized in that,
When COMPUTER DETECTION is inserted its USB interface to external unit, described external unit ID is identified;
If according to the recognition result of described external unit ID, judge that described external unit is USB device, described USB device is linked into usb bus interface, to operate accordingly;
If according to the recognition result of described external unit ID, judge that described external unit is the diagnostic card for computer hardware is diagnosed, the testing result of BIOS built in self testing program is transferred to described USB interface, via described USB interface, give described diagnostic card again, so that described diagnostic card is diagnosed computer hardware according to the testing result of described BIOS built in self testing program.
2. method according to claim 1, is characterized in that, also comprises:
In the USB of computing machine controller, USB switch is set, utilizes described USB switch opens or close the passage corresponding with USB function;
Wherein, described USB function refers to the data stream transmitting function of USB device, and the hardware diagnostic function of diagnostic card.
3. method according to claim 1 and 2, is characterized in that, described USB device is finger keyboard, touch pad, or USB flash disk.
4. method according to claim 1, is characterized in that, the step that the described ID to described external unit identifies comprises:
Described USB controller obtains the ID of described external unit, obtains operator code and the manufacturer code of described external unit, and sends to usb host;
The ID that described usb host utilization prestores and the corresponding relation of device type, obtaining described external unit is USB device or the recognition result of diagnostic card.
5. according to the method described in claim 2 or 4, it is characterized in that, the described external unit of described judgement is USB device, and the step that described USB device is linked into usb bus interface comprises:
If recognition result is USB device, utilize the described USB switch opens passage corresponding with described USB device;
Via the passage corresponding with described USB device and usb bus interface, make to transmit alternately from the data stream of USB device and the data stream in central processing unit.
6. according to the method described in claim 2 or 4, it is characterized in that, the described external unit of described judgement is the diagnostic card for computer hardware is diagnosed, and the step that testing result of BIOS built in self testing program in mainboard is transferred to described USB interface comprises:
If recognition result is diagnostic card, utilize the described USB switch opens passage corresponding with described diagnostic card;
Utilize the passage corresponding with described diagnostic card, the misdirection code being sent by BIOS of the formula of self-embedding in the future controller is transferred to described USB interface via SM BUS bus interface.
7. method according to claim 6, is characterized in that, also comprises: the misdirection code being sent by BIOS of described self-embedding in future formula controller is transferred to described USB interface via I2C or the bus interface that is comprised of DATA and CLOCK pin.
8. can via USB interface, realize a device for computer hardware diagnosis, it is characterized in that,
Identification module, while inserting its USB interface for COMPUTER DETECTION to external unit, identifies described external unit ID;
USB device module, if for according to the recognition result of described external unit ID, judge that described external unit is USB device, is linked into usb bus interface by described USB device, to operate accordingly;
Diagnostic card module, if be used for according to the recognition result of described external unit ID, judge that described external unit is the diagnostic card for computer hardware is diagnosed, the testing result of BIOS built in self testing program is transferred to described USB interface, via described USB interface, give described diagnostic card again, so that described diagnostic card is diagnosed computer hardware according to the testing result of described BIOS built in self testing program.
9. device according to claim 8, is characterized in that, described identification module further comprises:
USB switch submodule, arranges USB switch for the USB controller at computing machine, utilizes described USB switch opens or closes the passage corresponding with USB function.
10. device according to claim 8, is characterized in that, described diagnostic card module further comprises:
Open submodule, if be diagnostic card for recognition result, utilize the described USB switch opens passage corresponding with described diagnostic card;
Transmission submodule, for utilizing the passage corresponding with described diagnostic card, the misdirection code being sent by BIOS of the formula of self-embedding in the future controller is transferred to described USB interface via SM BUS bus interface.
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| CN201410340166.8A CN104077203A (en) | 2014-07-16 | 2014-07-16 | Method and device for diagnosing computer hardware through USB interface |
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| CN104572375A (en) * | 2015-01-23 | 2015-04-29 | 合肥联宝信息技术有限公司 | Method and device for diagnosing computer through display interface |
| CN104899622A (en) * | 2015-05-27 | 2015-09-09 | 浪潮(山东)电子信息有限公司 | Apparatus and method compatible with read-write of different contact IC cards |
| CN105187879A (en) * | 2015-09-09 | 2015-12-23 | 青岛海信电器股份有限公司 | Remote control code value downloading method and television set |
| CN106406267A (en) * | 2015-07-27 | 2017-02-15 | 联想(北京)有限公司 | System diagnostic device and system diagnosis method |
| CN107038093A (en) * | 2017-04-21 | 2017-08-11 | 合肥联宝信息技术有限公司 | A kind of method and device for handling computer BIOS |
| CN107608834A (en) * | 2017-08-17 | 2018-01-19 | 联想(北京)有限公司 | Electronic equipment and information processing method |
| CN108628690A (en) * | 2017-03-17 | 2018-10-09 | 致伸科技股份有限公司 | Embedded equipment debuggers and its method |
| CN109558324A (en) * | 2018-11-30 | 2019-04-02 | 无锡睿勤科技有限公司 | A kind of detection method and equipment |
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| CN114489027A (en) * | 2022-03-04 | 2022-05-13 | 江苏海博流体控制有限公司 | Comprehensive diagnosis device for diagnosis and debugging of field electric actuating mechanism |
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| CN104572375A (en) * | 2015-01-23 | 2015-04-29 | 合肥联宝信息技术有限公司 | Method and device for diagnosing computer through display interface |
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| CN109558324A (en) * | 2018-11-30 | 2019-04-02 | 无锡睿勤科技有限公司 | A kind of detection method and equipment |
| CN111611182A (en) * | 2020-05-20 | 2020-09-01 | 合肥联宝信息技术有限公司 | Electronic equipment capable of being detected by detection device and detection system |
| CN115380257A (en) * | 2020-07-06 | 2022-11-22 | 三菱电机株式会社 | Input/output module, standard input/output module unit, and safety circuit unit |
| CN115380257B (en) * | 2020-07-06 | 2023-10-24 | 三菱电机株式会社 | Input/output module, standard input/output module unit and safety circuit unit |
| CN114489027A (en) * | 2022-03-04 | 2022-05-13 | 江苏海博流体控制有限公司 | Comprehensive diagnosis device for diagnosis and debugging of field electric actuating mechanism |
| CN114489027B (en) * | 2022-03-04 | 2023-11-10 | 江苏海博流体控制有限公司 | Comprehensive diagnostic device for diagnosing and debugging on-site electric actuating mechanism |
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Application publication date: 20141001 |