CN102176702A - Test system and test method - Google Patents
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Abstract
A test system and a test method are provided. The test system comprises a test device, a USB concentrator and a host device. The USB hub is coupled between the test device and the host device. The host device performs data transmission with the test device through the USB concentrator, and comprises a storage unit and a processing unit. The storage unit is used for storing a first test program and a second test program. When the USB hub is coupled between the test device and the host device, the processing unit executes a first test program to enable the test device to operate in a USB 3.0 mode, and then executes a second test program to enable the test device to operate in a USB 2.0 mode. The processing unit reads the first test program and the second test program stored in the storage unit through different interfaces.
Description
Technical field
The present invention relates to a kind of test macro and method, particularly relate to a kind of test macro and method of testing usb hub.
Background technology
Along with the progress of science and technology, more and more Duo digital device is designed to produce as carry-on dish, external optical disk drive, external connected hand disk, digital camera, mobile phone ... etc.In order to allow digital device can connect main frame, digital device has a connectivity port usually.When the connectivity port of digital device and the connectivity port of main frame are coupled in a time-out, but just data on the access digital device of main frame.
Yet, the connectivity port limited amount of main frame.Therefore, the user can't connect a plurality of digital devices and main frame simultaneously.In order to solve the problem of connectivity port lazy weight, existing way is to utilize a hub (Hub), the connectivity port of expansion main frame.
Because hub can allow a plurality of digital devices connect main frame simultaneously effectively, therefore, the importance of hub also increases thereupon.Can normally transmit data in order to ensure hub, before hub is dispatching from the factory, must utilize a test macro and method, hub is tested.
Summary of the invention
The invention provides a kind of test macro, comprise a testing apparatus, a usb hub and a host apparatus.Usb hub has dual-bus structure, and in order to transmit USB 3.0 or USB 2.0 signals, this usb hub is coupled between testing apparatus and the host apparatus.Host apparatus carries out transfer of data with testing apparatus, and comprises a storage element and a processing unit by usb hub.Storage element is in order to store one first test program and one second test program.When usb hub is coupled between testing apparatus and the host apparatus, processing unit is carried out first test program, in order to carry out the continuity test of USB 3.0 transfer functions, processing unit is carried out second test program, in order to carry out the continuity test of USB 2.0 transfer functions.Processing unit reads first and second stored test program of storage element by different interfaces.
The present invention also provides a kind of method of testing, is applied in the test macro.Test macro has a host apparatus, a usb hub and a testing apparatus.Usb hub is coupled between host apparatus and the testing apparatus.Method of testing of the present invention comprises, makes host apparatus pass through one first interface, reads and carry out one first test program, in order to carrying out transfer of data with testing apparatus, and carries out the continuity test of USB 3.0 transfer functions; And make this host apparatus by one second interface, and read and carry out one second test program, in order to carrying out transfer of data, and carry out the continuity test of USB 2.0 transfer functions with testing apparatus.First interface is different from second interface.Usb hub has dual-bus structure, in order to transmit USB 3.0 or USB 2.0 signals.
For the features and advantages of the present invention can be become apparent, cited below particularlyly go out preferred embodiment, and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 is the schematic diagram of test macro of the present invention.
Fig. 2 is that one of host apparatus of the present invention may embodiment.
Fig. 3 is that one of method of testing of the present invention may embodiment.
The reference numeral explanation
100: test macro;
110: testing apparatus;
The 130:USB hub;
150: host apparatus;
131: the connectivity port makes progress;
134～137: downward connectivity port;
151: storage element;
154: processing unit;
The 157:USB connectivity port;
152,153: test program;
111～114:USB connectivity port;
115～118:USB Setup Controller;
132:USB 3.0 line concentration controllers;
133:USB 2.0 line concentration controllers;
155:USB 3.0 console controllers;
156:USB 2.0 console controllers.
Embodiment
Fig. 1 is the schematic diagram of test macro of the present invention.As shown in the figure, test macro 100 comprises, a testing apparatus 110, a usb hub 130 and a host apparatus 150.Usb hub 130 is coupled between testing apparatus 110 and the host apparatus 150.Host apparatus 150 carries out transfer of data by usb hub 130 with testing apparatus 110.In the present embodiment, host apparatus 150 learns according to the signal that testing apparatus 110 is returned whether usb hub 130 can normally transmit data.
The present invention does not limit the inside structure of testing apparatus 110.So long as can pass through usb hub 130, carry out the device of transfer of data with host apparatus 150, all can be used as testing apparatus 110.In the present embodiment, testing apparatus 110 comprises, usb connecting port 111～114 and USB Setup Controller 115～118, but be not in order to restriction the present invention.As shown in the figure, usb connecting port 111～114 couples USB Setup Controller 115～118 one to one.
In addition, the present invention does not limit the inside structure of usb hub 130.So long as the usb connecting port of host apparatus 150 can be extended to a plurality of connectivity ports,, all can be used as usb hub 130 of the present invention in order to connect the hub of more USB peripheral device.In the present embodiment, usb hub 130 has dual-bus structure (dual bus architecture), and it can transmit the signal of USB 2.0 or 3.0.
As shown in the figure, usb hub 130 comprises, upwards a connectivity port 131, a USB 3.0 line concentration controllers 132, a USB 2.0 line concentration controllers 133 and connectivity port 134～137 downwards.The present invention does not limit the upwards connectivity port of usb hub 130 and the quantity of downward connectivity port.In other embodiments, usb hub can have a plurality of upwards connectivity port and at least two downward connectivity ports.In the present embodiment, make progress connectivity port 131 in order to couple host apparatus 150.Connectivity port 134～137 is in order to couple testing apparatus 110 downwards.
When testing apparatus 110 operates in a USB 3.0 patterns, data (as the TX+/TX-/RX+/RX-) transmission that USB 3.0 line concentration controllers, 132 responsible host apparatus 150 and testing apparatus are 110.On the contrary, when testing apparatus 110 operates in a USB 2.0 patterns, data (as the D+/D-) transmission that USB 2.0 line concentration controllers, 133 responsible host apparatus 150 and testing apparatus are 110.
For example, when testing apparatus 110 operates in a USB 3.0 patterns, USB 3.0 line concentration controllers 132 can be handled received USB 3.0 signals in connectivity port upwards 131, and the result after will handling again passes through downward connectivity port 134～137, provides the prediction trial assembly to put 110.In another embodiment, USB 3.0 line concentration controllers 132 can receive and handle received USB 3.0 signals of downward connectivity port 134～137, and the result after will handling again provides and gives host apparatus 150 by the connectivity port 131 that makes progress.
For example, host apparatus 150 can be carried out one first test program earlier, and by first path (as TX-/TX+/RX-/RX+), USB 3.0 test signals by usb hub 130, is sent to testing apparatus 110.Testing apparatus 110 produces a return signal according to the test signal that host apparatus 150 is provided, and again by this first path, is back to host apparatus 150.Host apparatus 150 can learn just according to this return signal whether usb hub 130 can correctly transmit USB 3.0 signals.
In the present embodiment, USB 2.0 line concentration controllers 133 are that the USB2.0 signal from host apparatus 150 is passed through downward connectivity port 134～137, provide the prediction trial assembly to put 110, or USB 2.0 signals that testing apparatus 110 is provided provide and give host apparatus 150 by connectivity port 131 upwards.
For example, after waiting to finish USB 3.0 tests of usb hub 130, host apparatus 150 is carried out one second test program again, and by second path (as D-/D+), USB 2.0 test signals by usb hub 130, is sent to testing apparatus 110.Testing apparatus 110 produces a return signal according to the test signal that host apparatus 150 is provided, and again by this second path, is back to host apparatus 150.Host apparatus 150 can learn just according to this return signal whether usb hub 130 can correctly transmit USB 2.0 signals.
In a possibility embodiment, before carrying out USB 3.0 and 2.0 tests, host apparatus 150 can provide a specific instruction (vendor command) prediction trial assembly to put 110 earlier by usb hub 130, with so that testing apparatus 110 operates in USB 3.0 or 2.0 patterns.
In addition, the present invention does not limit the order of USB 3.0 and 2.0 tests.In the present embodiment, host apparatus 150 is USB 3.0 transfer functions of testing usb hub 130 earlier, and then USB 2.0 transfer functions of test usb hub 130.In other embodiments, host apparatus 150 can be tested USB 2.0 transfer functions of usb hub 130 earlier, and then the USB3.0 transfer function of test usb hub 130.
Fig. 2 is that one of host apparatus of the present invention may embodiment.As shown in the figure, host apparatus 150 comprises, a storage element 151, a processing unit 154 and a usb connecting port 157.Storage element 151 stores test program 152 and 153.It is to carry out under which kind of operating system that the present invention does not limit test program 152 and 153.In the present embodiment, test program 152 and 153 is to carry out under dos operating system.
In a possibility embodiment, test program 153 is a basic input output system (BIOS).When testing apparatus 110 operates in 2.0 pattern following times of USB, test program 153 just by usb hub 130, carries out USB 2.0 transfer of data with testing apparatus 110, and according to the transmission result, learns whether USB 2.0 transfer functions of usb hub 130 are normal.
Processing unit 154 reads the test program 152 and 153 of storage element 151 by different interfaces.The present invention does not limit the kind of interface between processing unit 154 and test program 152 and 153.In the present embodiment, processing unit 154 is by an expansion Host Controler Interface (Extended HostController Interface; XHCI), read test program 152, and by an enhancement mode host controller interface (Enhanced Host Controller Interface; EHCI), the read test program 153.
Expansion Host Controler Interface xHCI and enhancement mode host controller interface eHCI mainly are register and the data structures between canonical system software and hardware, wherein, expansion Host Controler Interface xHCI is a kind of standard traffic mode between a kind of USB 3.0 console controllers and USB 3.0 peripheral drive programs.
In the present embodiment, processing unit 154 comprises a USB 3.0 console controllers 155 and a USB 2.0 console controllers 156.USB 3.0 console controllers 155 read and carry out test program 152, in order to USB 3.0 transfer functions of test usb hub 130 by expansion Host Controler Interface xHCI.USB 2.0 console controllers 156 read and carry out test program 153 by enhancement mode host controller interface eHCI, in order to USB 2.0 transfer functions of test USB line concentration 130.
In addition, in the present embodiment, USB 3.0 console controllers 155 are by a ultrahigh speed bus interface (Super Speed Bus Interface) SSBI, couple usb connecting port 157, in order to transmission USB3.0 signal.When usb connecting port 157 couples usb hub 130, just can pass through usb hub 130, carry out communication with testing apparatus 110.
The present invention does not limit the Content of communciation between host apparatus 150 and the testing apparatus 110.In a possibility embodiment, host apparatus 150 can be written into test program 152 earlier.Whether test program 152 can pass through interface xHCI, enumerate (enumerate) usb hub 130 and inserted among the host apparatus 150.When usb hub 130 coupled host apparatus 150, processing unit 154 just can be enumerated usb hub 130.
Then, test program 152 reads the unit describe symbol (devicedescriptor) of usb hub 130, in order to discern the type of this usb hub 130.Test program 152 can be learnt the device information of usb hub 130 according to the unit describe symbol of usb hub 130, and for example usb hub 130 has upwards connectivity port 131 and 4 downward connectivity ports 134～137.At this moment, also the continuity test of 150 of the upwards connectivity port 131 of usb hub 130 and host apparatus is finished in expression.
Then, test program 152 detects the connection status of 4 downward connectivity ports 134～137 of usb hub 130, promptly detects the usb connecting port 111～114 whether downward connectivity port 134～137 connects testing apparatus 110.The present invention does not limit the order that test program 152 detects downward connectivity port 134～137.One may embodiment in, test program 152 can be in regular turn or according to a default order, detects the connection status of downward connectivity port 134～137.
When downward connectivity port 134～137 connects usb connecting port 111～114, test program 152 just can detect downward connectivity port 134～137 and all couple a USB device, then, test program 152 reads the unit describe symbol of the device that downward connectivity port 134～137 connected.At this moment, USB Setup Controller 115～118 is regarded as 4 USB devices with usb connecting port 111～114.Therefore, test program 152 can be learnt 4 unit describe symbols.
For example, in the present embodiment, processing unit 154 utilizes ultrahigh speed bus interface SSBI, sends reading device descriptor instruction (get device descriptor command).When testing apparatus 110 receives this reading device descriptor instruction, testing apparatus 110 will operate under a USB 3.0 patterns, and according to this reading device descriptor instruction, repay a USB 3.0 unit describes symbol.Because connectivity port 134～137 all couples a USB device downwards, can repeat 4 times so read and repay step.
After finishing, then the USB 3.0 bus continuity tests of downward connectivity port 134～137 are finished in expression.At this moment, test program 152 can send one first specific order the (first vendor command), makes testing apparatus 110 switch to a USB 2.0 patterns, to carry out the continuity test of USB 2.0 buses.
When testing apparatus 110 operated in a USB 2.0 patterns, test program 153 was enumerated and is inserted usb hub 130 whether by enhancement mode host controller interface eHCI.When usb hub 130 coupled host apparatus 150, processing unit 154 just can be enumerated usb hub 130.
Then, test program 153 reads the unit describe symbol of usb hub 130, in order to discern the type of this usb hub 130.When test program 153 may be read into unit describe when symbol of usb hub 130, the continuity test of 150 of the upwards connectivity port 131 of usb hub 130 and host apparatus has been finished in expression.
Then, test program 153 is again by usb hub 130, and the unit describe of read test device 110 symbol is in order to the USB 2.0 bus continuity tests of the downward connectivity port 134～137 of carrying out usb hub 130.Then, test program 153 detects the connection status of 4 downward connectivity ports 134～137 of usb hub 130, promptly detects the usb connecting port 111～114 whether downward connectivity port 134～137 connects testing apparatus 110.
When downward connectivity port 134～137 connects usb connecting port 111～114, test program 153 just can detect downward connectivity port 134～137 and all couple a USB device, then, test program 153 reads a USB 2.0 unit describes symbol of the device that downward connectivity port 134～137 connected.At this moment, USB Setup Controller 115～118 is regarded as 4 USB devices with usb connecting port 111～114.Therefore, test program 153 can be learnt 4 unit describe symbols.
For example, in the present embodiment, processing unit 154 utilizes bus interface BI, sends reading device descriptor instruction.Because testing apparatus 110 operates under a USB 2.0 patterns, when testing apparatus 110 receives this reading device descriptor instruction, will repay a USB 2.0 unit describes symbol.Because connectivity port 134～137 all couples a USB device downwards, can repeat 4 times so read and repay step.
After finishing the bus continuity test of USB 2.0 and 3.0, test program 153 can send one second specific instruction (second vendor command), in order to testing apparatus 110 switchback USB 3.0 patterns, and set a mark value, in order to finish all testing processs.
In a possibility embodiment, test program 153 is the option (as Legacy USBsupport) in the BIOS.After when the user is starting shooting, entering BIOS, can enable this option.When testing apparatus 110 operates in 2.0 pattern following times an of USB, the test program (as 153) in the BIOS is just begin usb hub 130 is carried out USB 2.0 bus continuity tests.
By the test function of script in the BIOS, usb hub 130 is carried out USB 2.0 bus continuity tests, so can reduce the procedure code of test program 152, do not need additionally to write again the test patterns of USB2.0 because of the tester.
Fig. 3 is that one of method of testing of the present invention may embodiment.Method of testing of the present invention is to be applied in a test macro.This test macro has a host apparatus, a usb hub and a testing apparatus, and wherein usb hub is coupled between host apparatus and the testing apparatus.For convenience of description, below with reference to test macro shown in Figure 1.
At first, make host apparatus 150 carry out one first test program, in order to carrying out transfer of data, and make testing apparatus 110 operate in a USB 3.0 patterns (step S310) with testing apparatus 110.Then, make host apparatus 150 carry out one second test program, in order to carrying out transfer of data, and make testing apparatus 110 operate in a USB 2.0 patterns (step S330) with testing apparatus 110.
In a possibility embodiment, first and second test program is to carry out under a dos operating system.In addition, in other embodiments, second test program is a basic input output system (BIOS).This basic input output system can be passed through usb hub 130, carries out USB 2.0 transfer of data with testing apparatus 110.
In the present embodiment, host apparatus 150 is by different interfaces, reads first and second test pattern.For example, host apparatus 150 utilizes an expansion Host Controler Interface xHCI, reads first test program, and utilizes an enhancement mode host controller interface eHCI, reads second test program.
The present invention does not limit the execution sequence of step S310 and S330.In the present embodiment, be first execution in step S310, execution in step S330 again.In other embodiments, can first execution in step S330, execution in step S310 again.
In addition, the present invention does not limit the test process of first and second test program.In the present embodiment, by first test program, host apparatus 150 can be enumerated usb hub 130 earlier and whether insert (step S311).If enumerate usb hub 130, host apparatus 150 reads the unit describe symbol (step S313) of usb hub 130.
If host apparatus 150 can read USB 2.0 unit describes when symbol of usb hub 130, USB 3.0 continuity tests of the connectivity port (as 131) of 150 of usb hub 130 and host apparatus have been finished in expression.Then, host apparatus 150 reads the unit describe symbol (step S315) of the testing apparatus 110 that usb hub 130 connected.When if host apparatus 150 may be read into the unit describe symbol of the testing apparatus 110 that usb hub 130 connected, USB 3.0 continuity tests of the connectivity port (as 134～137) of 110 of usb hub 130 and testing apparatuss have been finished in expression.
Behind completing steps S311～S315, the USB 3.0 bus continuity tests of usb hub 130 have been finished in expression.In the present embodiment, by carrying out first test program, host apparatus 150 sends one first specific instruction (step S317), in order to testing apparatus 110 is set in USB 2.0 patterns, so that carry out the USB 2.0 bus continuity tests of usb hub 130.
When testing apparatus 110 operated in USB 2.0 patterns, second test program was just enumerated usb hub 130 and whether is inserted (step S331).If enumerate usb hub 130, host apparatus 150 reads the unit describe symbol (step S333) of usb hub 130.
If host apparatus 150 can read unit describe when symbol of usb hub 130, USB 2.0 continuity tests of the connectivity port (as 131) of 150 of usb hub 130 and host apparatus have been finished in expression.Then, host apparatus 150 reads the unit describe symbol (step S335) of the testing apparatus 110 that usb hub 130 connected.When if host apparatus 150 may be read into the unit describe symbol of the testing apparatus 110 that usb hub 130 connected, USB 2.0 continuity tests of the connectivity port (as 134～137) of 110 of usb hub 130 and testing apparatuss have been finished in expression.
Behind completing steps S331～S335, the USB 2.0 bus continuity tests of usb hub 130 have been finished in expression.In the present embodiment, by carrying out second test program, host apparatus 150 sends one second specific instruction (step S337), in order to testing apparatus 110 being set in USB 3.0 patterns, and sets a mark value, in order to finish testing process.
Because the USB 2.0 bus continuity tests of usb hub 130 are performed by a BIOS, so the tester when writing test program, does not need to write the test patterns of USB 2.0 again, thus can reduce the procedure code of test program, and can reduce the time of writing.
Unless define in addition, all belong to (comprising technology and science vocabulary) one of ordinary skill in the art's of the present invention general understanding at these all vocabulary.In addition, unless clear expression, it is consistent that the definition of vocabulary in general dictionary should be interpreted as in the article with its correlative technology field meaning, and should not be construed as perfect condition or too formal voice.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, those skilled in the art, under the premise without departing from the spirit and scope of the present invention; can do some changes and retouching, so protection scope of the present invention is to be as the criterion with claim of the present invention.
Claims (11)
1. test macro comprises:
One testing apparatus;
One usb hub has dual-bus structure, and in order to transmit USB 3.0 or USB 2.0 signals, this usb hub couples this testing apparatus; And
One host apparatus, by this usb hub, carry out transfer of data with this testing apparatus, and comprise:
One storage element is in order to store one first test program and one second test program;
One processing unit, when this usb hub is coupled between this testing apparatus and this host apparatus, this processing unit is carried out this first test program, in order to carry out the continuity test of USB 3.0 transfer functions, this processing unit is carried out this second test program, in order to carry out the continuity test of USB 2.0 transfer functions;
Wherein this processing unit reads this stored first and second test program of this storage element by different interfaces.
2. test macro as claimed in claim 1, wherein when this processing unit is carried out this first test program, this testing apparatus operates under a USB 3.0 patterns, this processing unit reads the unit describe symbol of this testing apparatus, after this processing unit receives this unit describe symbol, this processing unit is carried out this second test program, and this processing unit sends one first specific instruction and give this testing apparatus, with so that this testing apparatus operate under a USB 2.0 patterns.
3. test macro as claimed in claim 2, wherein when this processing unit is carried out this second test program, under these USB 2.0 patterns, this processing unit reads the unit describe symbol of this testing apparatus once more, after this processing unit receives this unit describe symbol, this processing unit sends one second specific instruction and gives this testing apparatus, with so that this testing apparatus operate in once more under these USB 3.0 patterns.
4. test macro as claimed in claim 1, wherein this processing unit is by one first interface, read this first test program, this processing unit is by one second interface, read this second test program, wherein this first interface is an expansion Host Controler Interface, and this second interface is an enhancement mode host controller interface.
5. test macro as claimed in claim 1, wherein this processing unit comprises:
One USB, 3.0 console controllers are in order to carry out this first test program; And
One USB, 2.0 console controllers, in order to carry out this second test program, wherein these USB 3.0 console controllers couple this usb hub by a ultrahigh speed bus interface, and these USB 2.0 console controllers couple this usb hub by a bus interface.
6. test macro as claimed in claim 1, wherein this second test program is a basic input output system, this basic input output system can be passed through this usb hub, carries out the USB2.0 transfer of data with this testing apparatus.
7. test macro as claimed in claim 1, wherein this usb hub comprises:
One connectivity port upwards is in order to couple this host apparatus;
A plurality of downward connectivity ports are in order to couple this testing apparatus;
One USB, 3.0 line concentration controllers, when this testing apparatus operated in these USB 3.0 patterns, these USB 3.0 line concentration controllers were responsible for the transfer of data between this host apparatus and this testing apparatus; And
One USB, 2.0 line concentration controllers, when this testing apparatus operated in these USB 2.0 patterns, these USB 2.0 line concentration controllers were responsible for the transfer of data between this host apparatus and this testing apparatus;
Wherein this testing apparatus comprises:
A plurality of usb connecting ports couple these downward connectivity ports one to one; And
A plurality of USB Setup Controllers couple these usb connecting ports one to one.
8. a method of testing is applied in the test macro, and this test macro has a host apparatus, a usb hub and a testing apparatus, and this usb hub is coupled between this host apparatus and this testing apparatus, and this method of testing comprises:
Make this host apparatus by one first interface, read and carry out one first test program, in order to carrying out transfer of data, and carry out the continuity test of USB 3.0 transfer functions with this testing apparatus; And
Make this host apparatus by one second interface, read and carry out one second test program, in order to carrying out transfer of data, and carry out the continuity test of USB 2.0 transfer functions with this testing apparatus;
Wherein this first interface is different from second interface;
Wherein this usb hub has dual-bus structure, in order to transmit USB 3.0 or USB 2.0 signals.
9. method of testing as claimed in claim 8, wherein this second test program is a basic input output system, this basic input output system can be passed through this usb hub, carries out the USB2.0 transfer of data with this testing apparatus.
10. method of testing as claimed in claim 8, wherein when carrying out this first test program, this testing apparatus operates under a USB 3.0 patterns, make this host apparatus read the unit describe symbol of this testing apparatus, after receiving this unit describe symbol, carry out this second test program, and send one first specific instruction and give this testing apparatus, with so that this testing apparatus operate under a USB 2.0 patterns.
11. test macro as claimed in claim 10, wherein when carrying out this second test program, under these USB 2.0 patterns, read the unit describe symbol of this testing apparatus once more, after receiving this unit describe symbol, send one second specific instruction and give this testing apparatus, with so that this testing apparatus operate in once more under these USB 3.0 patterns.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100105365A TWI436204B (en) | 2011-02-18 | 2011-02-18 | Testing system and method for usb hub |
| TW100105365 | 2011-02-18 |
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| CN102176702A true CN102176702A (en) | 2011-09-07 |
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| CN103294636A (en) * | 2012-05-09 | 2013-09-11 | 威盛电子股份有限公司 | Concentrator control chip |
| CN104937575A (en) * | 2013-01-25 | 2015-09-23 | 惠普发展公司，有限责任合伙企业 | USB controllers coupled to USB ports |
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| CN103984656B (en) * | 2013-02-07 | 2017-06-06 | 银灿科技股份有限公司 | The auto-addressing fixed end mouthful method of USB3.0 hubs |
| CN104102561A (en) * | 2013-04-09 | 2014-10-15 | 广达电脑股份有限公司 | Universal sequence bus testing device |
| CN104102561B (en) * | 2013-04-09 | 2017-07-14 | 广达电脑股份有限公司 | Universal sequence bus testing device |
| US9621391B2 (en) | 2013-09-24 | 2017-04-11 | Huawei Technologies Co., Ltd. | Methods and apparatuses to improve reception of direct detection optical signals |
| WO2015043431A1 (en) * | 2013-09-24 | 2015-04-02 | Huawei Technologies Co., Ltd. | Methods and Apparatuses to Improve Reception of Direct Detection Optical Signals |
| CN104679620A (en) * | 2013-11-28 | 2015-06-03 | 英业达科技有限公司 | Hot swapping/hot plugging device and method for conducting automatic switching of protocols to establish and test data channel |
| CN106201943A (en) * | 2015-05-29 | 2016-12-07 | 创惟科技股份有限公司 | Hub device and method for universal serial bus connecting different types of connection ports |
| US10445274B2 (en) | 2015-05-29 | 2019-10-15 | Genesys Logic, Inc. | Universal serial bus (USB) hub for connecting different port types and method thereof |
| CN105589771A (en) * | 2015-07-24 | 2016-05-18 | 杭州华三通信技术有限公司 | Test method and apparatus |
| CN105301480A (en) * | 2015-11-19 | 2016-02-03 | 四川和芯微电子股份有限公司 | Test method of SOC chip |
| CN107783865A (en) * | 2016-08-26 | 2018-03-09 | 神讯电脑(昆山)有限公司 | USB testers |
| CN107391405A (en) * | 2017-05-15 | 2017-11-24 | 联发科技（新加坡）私人有限公司 | Usb circuit and USB device |
| CN110687363A (en) * | 2018-07-04 | 2020-01-14 | 佛山市顺德区顺达电脑厂有限公司 | SFP port test fixture |
| CN112579369A (en) * | 2019-09-29 | 2021-03-30 | 北京小米移动软件有限公司 | Multithreading flashing system, method, device, equipment and storage medium |
| CN112579369B (en) * | 2019-09-29 | 2024-04-30 | 北京小米移动软件有限公司 | Multithreading brushing system, method, device, equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI436204B (en) | 2014-05-01 |
| TW201235838A (en) | 2012-09-01 |
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