CN104932962A - USB (Universal Serial Bus) plug testing system and method thereof - Google Patents
- ️Wed Sep 23 2015
CN104932962A - USB (Universal Serial Bus) plug testing system and method thereof - Google Patents
USB (Universal Serial Bus) plug testing system and method thereof Download PDFInfo
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- CN104932962A CN104932962A CN201510303836.3A CN201510303836A CN104932962A CN 104932962 A CN104932962 A CN 104932962A CN 201510303836 A CN201510303836 A CN 201510303836A CN 104932962 A CN104932962 A CN 104932962A Authority
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Abstract
The invention discloses a USB (Universal Serial Bus) plug testing system and a method thereof. The USB plug testing system is connected with a mobile phone to be tested, and comprises a testing terminal and a USB connector, wherein the testing terminal sends a setting command for controlling the connection or disconnection of a USB interface between the USB connector and the mobile phone to be tested; when the testing terminal detects that USB interface is connected, the state information of the mobile phone to be tested is inquired. The connection and disconnection of the USB interface are simulated through the setting command, so that automatic simulation of the testing of USB plugging is realized. The instability problems of crashing, incapability of recognition and the like in the mobile phone to be tested after repeated plug testing can be checked through inquiry; the time and energy of testing personnel are saved; and the labor of the testing personnel is relieved.
Description
Technical field
The present invention relates to technical field of measurement and test, in particular a kind of USB plug test macro and method thereof.
Background technology
Along with the development of mobile phone, mobile phone can realize increasing function after being connected with PC by USB line, and USB flash disk stores, USB shared network, photograph album, charging etc., and the user that therefore gets more and more can use USB line and be connected with PC in use at ordinary times.
Connect relatively more frequent based on existing USB, cell phone manufacturer needs the stability test (Reliability testing) of the special project of carrying out USB, whether there will be USB nonrecognition, the problems such as mobile phone deadlock in test plug process.But usually need artificial plug USB interface hundreds of during test, operating more loaded down with trivial details, is very large time and efforts by engaged test personnel.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of USB plug test macro and method thereof, is intended to solve the problem that existing USB stability test needs artificial plug USB interface to cause manpower to expend.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A kind of USB plug test macro, be connected with mobile phone to be measured, it comprises test terminal and USB connector;
Test terminal sends and arranges instruction and control USB connector and be connected with the USB interface between mobile phone to be measured or disconnect, inquires about the status information of mobile phone to be measured during test terminal detection USB interface connection.
In described USB plug test macro, described test terminal comprises:
GPIB control module, arranges instruction for sending the voltage on the VCOM interface of USB connector is set high or set low;
Enquiry module, when the magnitude of voltage on the VCOM interface detecting USB connector is high level, sends the status information of AT order inquiry mobile phone to be measured.
In described USB plug test macro, be provided with GPIB card in described GPIB control module, and NI-488 driver is installed.
In described USB plug test macro, described to arrange instruction be set ConnectMsg " VOLT 5 ", the voltage on the VCOM interface of USB connector is set to the high level of+5V; Described to arrange instruction be set ConnectMsg " VOLT 0 ", the voltage on the VCOM interface of USB connector is set to the low level of 0V.
In described USB plug test macro, described USB connector comprises:
Agilent power module, for arranging instruction carry out low and high level conversion according to described, sets high its output voltage or sets low;
Usb hub, for voltage correspondence on its VCOM interface being set high or set low according to output voltage, and controls the break-make of USB interface according to low and high level.
Adopt a USB plug method of testing for described USB plug test macro, it comprises:
A, test terminal send the instruction control USB connector that arranges set high and are connected with the USB interface between mobile phone to be measured;
The status information of mobile phone to be measured is detected in B, test terminal;
C, test terminal send the USB interface arranged between instruction control USB connector and mobile phone to be measured set low and disconnect;
D, judge to set low instruction be set whether send default testing time: be terminate USB plug test; Otherwise return steps A.
In described USB plug method of testing, described steps A specifically comprises:
A1, GPIB control module send set high instruction is set to Agilent power module;
A2, Agilent power module arrange according to what set high the VCOM interface of high level to usb hub that instruction exports+5V;
A3, usb hub obtain electric work, are connected by mobile phone to be measured with test terminal.
In described USB plug method of testing, described step B specifically comprises:
B1, enquiry module detect described VCOM interface when being high level, send the status information of AT order inquiry mobile phone to be measured;
B2, after this has inquired about, enquiry module has sent change directive to GPIB control module.
In described USB plug method of testing, described step C specifically comprises:
C1, GPIB control module send after receiving described change directive set low instruction is set;
C2, Agilent power module export the low level of 0V to described VCOM interface according to the instruction that arranges set low;
C3, usb hub power down do not work, and mobile phone to be measured and test terminal are disconnected.
In described USB plug method of testing, described step D specifically comprises: GPIB control module record is current sends the number of times arranging instruction set low, and judges whether this number of times equals default testing time, is, terminates USB plug test; Otherwise return steps A.
Compared to prior art, USB plug test macro provided by the invention and method thereof, sent by test terminal and instruction is set controls USB connector and to be connected with the USB interface between mobile phone to be measured or to disconnect, during test terminal detection USB interface connection, inquire about the status information of mobile phone to be measured; By arranging disconnection and the connection of instruction simulation USB interface, realize the test of automatization simulation plug USB; After checking repeatedly plug test by inquiry, whether mobile phone to be measured there will be deadlock, the problem that nonrecognition etc. are unstable, can not the time and efforts of engaged test personnel, has liberated the labour of tester.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of USB plug test macro Application Example provided by the invention.
Fig. 2 is USB plug method of testing process flow diagram provided by the invention.
Embodiment
The invention provides a kind of USB plug test macro and method thereof, based on disconnection and the connection of GPIB order simulation USB interface, realize the test of automatization simulation plug USB, to check whether the rear mobile phone of up to a hundred plugs test there will be deadlock, the problem that nonrecognition etc. are unstable, can not the time and efforts of engaged test personnel, liberate the labour of tester.For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, USB plug test macro provided by the invention comprises test terminal 10 and USB connector 20.Described test terminal 10 is connected with USB connector 20, and mobile phone to be measured is connected with USB connector 20.Described test terminal 10 sends and arranges instruction and control USB connector 20 and be connected with the USB interface between mobile phone to be measured or disconnect, and inquires about the status information of mobile phone to be measured when USB interface connection is detected in test terminal 10.When carrying out the stability test of USB like this, without the need to tester manual plug USB line, achieve USB and simulate the Automated condtrol of plug, can not the time and efforts of engaged test personnel, liberate the labour of tester.
In the present embodiment, test terminal 10 sends and arranges instruction and control USB connector 20 and be connected with the USB between mobile phone to be measured or disconnect, and mainly based on GPIB order the voltage on the VCOM interface of USB connector 20 is set high (connection) or sets low (disconnection).Described test terminal 10 is for having installed GPIB card and the corresponding PC(Personal Computer driven thereof, PC), SCPI language can be supported.
As shown in Figure 1, described test terminal 10 comprises GPIB control module 110 and enquiry module 120.Described GPIB control module 110 by GPIB(General-Purpose Interface Bus, general purpose interface bus) line is connected with USB connector 20.Be provided with GPIB card in GPIB control module 110 and installed corresponding driving, can send and arrange instruction the voltage on the VCOM interface of USB connector is set high or set low, namely sending GPIB order to the magnitude of voltage arranged on VCOM interface is+5V or 0V.The order that described GPIB order uses when referring to and use GPIB card and GPIB line thereof to communicate.All oneself can carry some basic communication tools based on often kind of driving, the driving of the NI-488 of the present embodiment adopts Measurement & Automation Explorer (MAX) instrument, supports GPIB control module.
Enquiry module 120 adopts serial ports hardware interface to be connected with USB connector 20, when the magnitude of voltage detected on the VCOM interface of USB connector is high level, send the inquiry of AT order realization to mobile phone state information to be measured, multinomial inquiry can be expanded, comprise mobile phone and whether can normally call.
Described MAX instrument is to provide some search connection devices and carries out with equipment the instrument that communicates, can simplify identification and the control of GPIB control module.After determining the GPIB address of USB connector 20, can connect fast with USB connector 20, and check and can normally receive and send messages.USB connector 20 can return the character that raw trade name, model name and raw manufacturer are used for following the trail of the letter and number formation of firmware version usually.Use TCL script that GPIB order (namely arranging instruction) is sent to USB connector 20 by GPIB line.If GPIB order is set ConnectMsg " VOLT 5 ", it is namely the high level voltage on the VCOM interface of USB connector 20 being set to+5V.GPIB order is set ConnectMsg " VOLT 0 ", is namely the low level voltage on the VCOM interface of USB connector 20 being set to 0V.
Described USB connector 20 comprises Agilent power module 210 and usb hub (USB HUB) 220.Agilent power module 210 connects usb hub 220, and usb hub 220 connects mobile phone to be measured.Agilent power module 210 carries out low and high level conversion according to described GPIB order, and its output voltage is set high or set low, and this output voltage transfers on the VCOM interface of usb hub 220, thus makes the voltage correspondence of VCOM interface set high or set low.
Described usb hub 220 USB interface can be expanded to multiple USB interface (being generally 4), and can make the device that these USB interface use simultaneously.In present case, realized the break-make of USB by the voltage controlled in usb hub 220 on VCOM interface.
Such as, when GPIB order is set ConnectMsg " VOLT 5 ", Agilent power module 210 exports the high level of+5V, makes the voltage on the VCOM interface of usb hub 220 become+5V; Now usb hub 220 obtains electric normal work, is connected by mobile phone to be measured by usb hub 220 with test terminal 10, is equivalent to USB and connects.As GPIB order set ConnectMsg " VOLT 0 ", Agilent power module 210 exports the low level of+0V, makes the voltage on described VCOM interface become 0V; Now do not have power supply to be supplied to chip in usb hub 220, usb hub 220 no-voltage drives and quits work, and mobile phone to be measured and test terminal 10 disconnect, and is equivalent to USB disconnection.
Enquiry module 120 detects the Automatic inquirying that can carry out mobile phone state information to be measured when usb hub 220 connects, mainly send AT order and be transferred to mobile phone to be measured by usb hub 220, the value that mobile phone to be measured is fed back carry out corresponding to and judgement, to complete the judgement to mobile phone state information to be measured.
In the present embodiment, status information comprises the basic function and facility information that check mobile phone.The form of AT order can be ATDxxxx.Whether such as, the AT order of transmission is ATD10010, be to dial a phone and go the call function of testing mobile phone normal.The short breath function of corresponding AT order test can also be sent, repeatedly whether can crash after plug or the function such as None-identified.Facility information mainly sends corresponding AT order, can obtain the information such as manufacturer's information of mobile phone to be measured, version model.
Based on above-mentioned USB plug test macro, the present invention also provides a kind of USB plug method of testing, sees also Fig. 2, and described USB plug method of testing comprises:
S100, test terminal send the instruction control USB connector that arranges set high and are connected with the USB interface between mobile phone to be measured;
The status information of mobile phone to be measured is detected in S200, test terminal;
S300, test terminal send the USB interface arranged between instruction control USB connector and mobile phone to be measured set low and disconnect;
S400, judge whether to reach default testing time: be, terminate USB plug test; Otherwise return step S100.
In the present embodiment, the GPIB control module of test terminal first send set high instruction is set, GPIB control module is notified after enquiry module completes a state information searching, GPIB control module send again set low instruction is set, and, GPIB control module also needs the finger that arranges judging to set low to have sent how many times, whether reaches default testing time (as 300 times).If do not reach default testing time, then GPIB control module again first sends the instruction that arranges set high and realizes USB connection, and enquiry module proceeds state information searching.
In described step S100, GPIB control module send set high instruction is set to Agilent power module, Agilent power module arranges according to what set high the VCOM interface of high level to usb hub that instruction exports+5V, and usb hub obtains electric work, is connected by mobile phone to be measured with test terminal.Specifically refer to above-described embodiment.
In described step S200, when the VCOM interface of enquiry module detection usb hub is high level, sends AT order and be transferred to mobile phone to be measured by usb hub, inquire about the status information of mobile phone to be measured.After this has been inquired about, enquiry module has sent the change of change directive notice GPIB control module and has arranged instruction.
In described step S300, GPIB control module send after receiving described change directive set low instruction is set, Agilent power module exports the low level of 0V to described VCOM interface according to the instruction that arranges set low, and usb hub power down does not work, and mobile phone to be measured and test terminal is disconnected.Specifically refer to above-described embodiment.
Then, in described step S400, GPIB control module record is current sends the number of times arranging instruction set low, and judges whether this number of times equals 300 times, is, can terminate test, otherwise returns step S100 continuation test.
In sum, the present invention adopts the Automated condtrol of gpib interface realization to Agilent power module output voltage low and high level, switch with the low and high level realizing the magnitude of voltage on the VCOM interface of usb hub, usb hub is made to obtain electric work or power down quits work, thus realize the break-make that mobile phone to be measured is connected with the USB of test terminal and control, thus realize the simulation plug of USB, and inquire about the status information of mobile phone to be measured when USB connects; Can not the time and efforts of engaged test personnel, liberate the labour of tester.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. a USB plug test macro, is connected with mobile phone to be measured, it is characterized in that, comprises test terminal and USB connector;
Test terminal sends and arranges instruction and control USB connector and be connected with the USB interface between mobile phone to be measured or disconnect, inquires about the status information of mobile phone to be measured during test terminal detection USB interface connection.
2. USB plug test macro according to claim 1, it is characterized in that, described test terminal comprises:
GPIB control module, arranges instruction for sending the voltage on the VCOM interface of USB connector is set high or set low;
Enquiry module, when the magnitude of voltage on the VCOM interface detecting USB connector is high level, sends the status information of AT order inquiry mobile phone to be measured.
3. USB plug test macro according to claim 2, is characterized in that, is provided with GPIB card, and installs NI-488 driver in described GPIB control module.
4. USB plug test macro according to claim 2, is characterized in that, described to arrange instruction be set ConnectMsg " VOLT 5 ", the voltage on the VCOM interface of USB connector is set to the high level of+5V; Described to arrange instruction be set ConnectMsg " VOLT 0 ", the voltage on the VCOM interface of USB connector is set to the low level of 0V.
5. USB plug test macro according to claim 2, it is characterized in that, described USB connector comprises:
Agilent power module, for arranging instruction carry out low and high level conversion according to described, sets high its output voltage or sets low;
Usb hub, for voltage correspondence on its VCOM interface being set high or set low according to output voltage, and controls the break-make of USB interface according to low and high level.
6. adopt a USB plug method of testing for USB plug test macro according to claim 1, it is characterized in that, comprising:
A, test terminal send the instruction control USB connector that arranges set high and are connected with the USB interface between mobile phone to be measured;
The status information of mobile phone to be measured is detected in B, test terminal;
C, test terminal send the USB interface arranged between instruction control USB connector and mobile phone to be measured set low and disconnect;
D, judge to set low instruction be set whether send default testing time: be terminate USB plug test; Otherwise return steps A.
7. USB plug method of testing according to claim 6, it is characterized in that, described steps A specifically comprises:
A1, GPIB control module send set high instruction is set to Agilent power module;
A2, Agilent power module arrange according to what set high the VCOM interface of high level to usb hub that instruction exports+5V;
A3, usb hub obtain electric work, are connected by mobile phone to be measured with test terminal.
8. USB plug method of testing according to claim 7, it is characterized in that, described step B specifically comprises:
B1, enquiry module detect described VCOM interface when being high level, send the status information of AT order inquiry mobile phone to be measured;
B2, after this has inquired about, enquiry module has sent change directive to GPIB control module.
9. USB plug method of testing according to claim 8, it is characterized in that, described step C specifically comprises:
C1, GPIB control module send after receiving described change directive set low instruction is set;
C2, Agilent power module export the low level of 0V to described VCOM interface according to the instruction that arranges set low;
C3, usb hub power down do not work, and mobile phone to be measured and test terminal are disconnected.
10. USB plug method of testing according to claim 9, it is characterized in that, described step D specifically comprises: GPIB control module record is current sends the number of times arranging instruction set low, and judges whether this number of times equals default testing time, is, terminates USB plug test; Otherwise return steps A.
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| CN111274071A (en) * | 2020-01-19 | 2020-06-12 | 浪潮电子信息产业股份有限公司 | A USB device plugging and unplugging detection method, device and related equipment |
| CN112181754A (en) * | 2020-09-29 | 2021-01-05 | 京东方科技集团股份有限公司 | Test equipment and test method |
| CN112881951A (en) * | 2021-01-15 | 2021-06-01 | 上海闻泰信息技术有限公司 | Interface plug-in analog circuit |
| CN113590395A (en) * | 2021-07-21 | 2021-11-02 | 合肥联宝信息技术有限公司 | Device and method for realizing docking station plugging |
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