CN102103536A - Board test device and method - Google Patents

Abstract

The invention discloses a board test device which is used for testing SPI (single program initiation) bus signals and IIC (inter-integrated circuit) bus signals of a board to be tested. The board test device comprises an SPI bus port, an IIC bus port, a signal converter, a serial port, a network chip, a network port, a switch, a display screen and a microcontroller, wherein the SPI bus port is connected with the SPI bus port of the board to be tested; the IIC bus port is connected with the IIC bus port of the board to be tested; the signal converter is connected with the IIC bus port and used for converting signals received by the IIC bus port; the serial port is connected with a scanning device; the network port is connected with the network chip and used for communicating with the network port of a central server; the switch is used for turning on or off the board test device; the display screen is used for displaying prompt messages in the test process; and the microcontroller is used for processing received serial number information, the SPI bus signals and the IIC bus signals, then sending the processed signals to the central server through the network port, so that the central server records and displays the test results of the board to be tested.

Description

Board testing device and method

technical field

The invention relates to a testing device and method, in particular to a testing device and method for testing boards.

Background technique

The board is the general term for the motherboard and its expansion cards in the computer, such as graphics cards, sound cards, network cards, etc. The board is the main component of the computer. It provides the south bridge, north bridge chipset, bus, peripheral device data transmission interface, etc. to direct data transmission. The stability and integrated functions of the board are important determinants of the quality of the board. Therefore, it is necessary to test the stability, compatibility and performance of each parameter of the board. The general method is to install the board to be tested in a test computer, execute the relevant test program through the test computer to obtain the test result, and transmit the test result to the central server through the network, so as to judge the board to be tested Whether the performance requirements are met.

In the traditional test method, each test bench needs to occupy a computer to test the board to be tested and transmit the test results to the central server, resulting in high cost of test equipment.

Contents of the invention

In view of the above, it is necessary to provide a board testing device and method with low testing cost.

A kind of board test device, for testing the SPI bus signal and the IIC bus signal of a board card to be tested, described board test device comprises:

An SPI bus port, for connecting the SPI bus port of the board to be tested, to receive the SPI bus signal output by the board to be tested;

An IIC bus port, for connecting the IIC bus port of the board to be tested, to receive the IIC bus signal output by the board to be tested;

A signal converter, used to connect the IIC bus port, so as to convert the IIC bus signal received by the IIC bus port into a digital signal and output it through the IIC bus port;

A serial interface for connecting a scanning device, so as to output the serial number information of the board to be tested obtained by scanning the scanning device;

a network chip;

a network port for connecting the network chip and communicating with a network port of a central server;

a switch, used to turn on or off the board test device;

a display screen for displaying prompt information during the test; and

A microcontroller receives the set IP address of the board test device stored by the central server through the network port, and judges whether the received IP address is consistent with its own IP address, and if consistent, passes the display The screen displays the connection normal information, the microcontroller receives the SPI bus signal output by the board card to be tested through the SPI bus port, and the microcontroller receives the signal converted by the signal converter through the IIC bus port. The IIC bus signal output by the board to be tested, the microcontroller sends the received SPI bus signal and IIC bus signal to the central server through the network port after being processed by the internal test program, so that all The central server records and displays the test results of the boards to be tested.

A board testing method, used for testing a board to be tested, comprising the following steps:

S1: A microcontroller receives the set IP address of the board test device stored in a central server, and judges whether the received IP address is consistent with its own IP address, if not, execute S2, if consistent, execute S3 ;

S2: display connection failure information;

S3: display the normal connection information;

S4: display the input serial number information;

S5: scanning the serial number of the board to be tested and sending the serial number to the microcontroller, so that the microcontroller sends the serial number to the central server;

S6: The central server compares the received serial number with the internally stored serial number, if inconsistent, execute S7, and if identical, execute S9;

S7: sending serial number error information to the microcontroller;

S8: display serial number error information;

S9: sending a test instruction to the microcontroller;

S10: receiving the SPI bus signal output by the board to be tested and receiving the IIC bus signal output by the board to be tested converted by a signal converter, passing the received SPI bus signal and the converted IIC bus signal through The internal test program of the microcontroller is processed and sent to the central server;

S11: Determine whether the test is passed according to the processing result, if not, execute S12, if passed, execute S13;

S12: Send the test item code and the test failure information code to the central server, and record the test item code and the test failure information code;

S13: Send the test item code and the test pass information code to the central server, and record the test item code and the test pass information code;

S14: Determine whether all the test items of the board to be tested are passed, if not, return to S9, if passed, execute S15; and

S15: Send the test end information code to the central server, record and display all test passing results.

Compared with the prior art, the board test device and test method send the received SPI and IIC bus signals output by the board to be tested through the internal test program through the network port through the microcontroller. to the central server, so that the central server records the test results of the boards to be tested and displays them to testers. The board card testing device and testing method are simple to operate, can replace a computer to test the board card to be tested, and reduce the cost of testing equipment.

Description of drawings

The present invention will be further described below in conjunction with specific embodiments with reference to the accompanying drawings.

Fig. 1 is a block diagram of a preferred embodiment of the board card testing device of the present invention after it is connected with a board card to be tested, a central server and a scanning device.

2A-2B are flow charts of a preferred embodiment of the board testing method of the present invention.

Description of main component symbols

Board test device 100 microcontroller 110 SPI bus port 120, 410 IIC bus port 130, 420 signal converter 140 serial port 150 network chip 160 network port 170, 210 switch 180 display screen 190 central server 200 scan device 300 Board under test 400

Detailed ways

Please refer to Fig. 1, board card testing device 100 of the present invention is used for testing the serial peripheral equipment interface (Serial Peripheral Interface, SPI) bus signal of a board card 400 to be tested and two-wire type serial bus (Inter-Integrated Circuit, IIC) bus signal. The preferred embodiment of described board test device 100 comprises a microcontroller 110, an SPI bus port 120, an IIC bus port 130, a signal converter 140, a serial port 150, a network chip 160, a network port 170 , a switch 180 and a display screen 190 . Described microcontroller 110 is connected described SPI bus port 120, IIC bus port 130, serial port 150, network chip 160, switch 180 and display screen 190, and described signal converter 140 is connected described IIC bus port 130, so The network port 170 is connected to the network chip 160, and is also used to connect the network port 210 of a central server 200 through a network cable, and the SPI bus port 120 and the IIC bus port 130 are respectively used to connect the board card 400 to be tested. The SPI bus port 410 and the IIC bus port 420 , the serial port 150 is used to connect a scanning device 300 . In other implementation manners, the communication between the board testing device 100 and the central server 200 may also be performed through a wireless network.

The board testing device 100 communicates with the central server 200 through the network chip 160 . Turn on the board testing device 100 (that is, turn on the microcontroller 110 ) through the switch 180 . The microcontroller 110 receives the set IP address of the board test device 100 stored by the central server 200 through the network chip 160 and the network port 170, and judges whether the received IP address is consistent with its own IP address. Consistent, if consistent, the connection between the board testing device 100 and the central server 200 is normal, and the microcontroller 110 receives the serial number information of the board to be tested 400 scanned by the scanning device 300 through the serial port 150 , to send the serial number information of the board to be tested 400 to the central server 200 through the network port 170, the SPI bus port 120 and the IIC bus port 130 are used to receive the SPI output from the board to be tested 400 bus signal and IIC bus signal, the signal converter 140 is used to convert the IIC bus signal received by the IIC bus port 130 into a digital signal and provide it to the microcontroller 110 through the IIC bus port 130, so The microcontroller 110 sends the received SPI and IIC bus signals to the central server 200 through the network port 170 after being processed by the internal test program, so that the test results of the board 400 to be tested are recorded and recorded. Shown to testers. The display screen 190 displays prompt information during the testing process, such as "connection failure", to the testers so that they can monitor the entire testing process.

In this embodiment, the switch 180 is a button switch, which is arranged on the surface of the board testing device 100. The model of the microcontroller 110 is P89V664, which includes an internal memory for storing the test program. In other implementation manners, an external storage device (such as a mobile hard disk, etc.) may also be used, and it is connected to the microcontroller 110 through an interface (such as a USB port). The model of the network chip 160 is RTL8019AS, the model of the serial port 150 is MAX3232CDWR, and the signal converter 140 is a 64-bit digital input and output signal converter, its model is PCA9555PW.

The board to be tested 400 also includes other components (not shown), wherein other components are components included in existing general boards (such as computer motherboards), such as central processing unit (Center Processing Unit, CPU), memory wait.

Please refer to Fig. 2, the preferred embodiment of board card test method of the present invention comprises the following steps:

Step S1 : Connect the board testing device 100 to the central server 200 through the network port 170 , and turn on the central server 200 and the board testing device 100 .

Step S2: The microcontroller 110 receives the set IP address of the board test device 100 stored by the central server 200 through the network port 170, and judges whether the received IP address is consistent with its own IP address , if not consistent, perform step S3, and if consistent, perform step S4.

Step S3: The microcontroller 110 displays connection failure information through the display screen 190 , for example, "connection failure" is displayed on the display screen 190 .

Step S4: The microcontroller 110 displays the connection normal information through the display screen 190 , for example, the display screen 190 displays "the connection is normal and can be tested".

Step S5: Connect the board card 400 to be tested with the board card testing device 100, and connect the SPI bus port 120 and the IIC bus port 130 of the board card 400 to be tested to the SPI bus port of the board card 400 to be tested respectively 410 and IIC bus port 420.

Step S6: The microcontroller 110 displays the input serial number information through the display screen 190, such as "scan the serial number of the board to be tested".

Step S7: Scan the serial number of the board card 400 to be tested by the scanning device 300 and send the serial number to the microcontroller 110 through the serial port 150, and the microcontroller 110 passes through the network Port 170 sends the serial number to the central server 200 .

Step S8: The central server 200 compares the serial number received from the board testing device 100 with its internally stored serial number, and if not consistent, execute step S9, and if identical, execute step S11.

Step S9: The central server 200 sends a serial number error message to the microcontroller 110 through the network port 170 .

Step S10 : the microcontroller 110 displays a serial number error message through the display screen 190 , for example, the display screen 190 displays "the serial number of the board to be tested is wrong when scanning the board to be tested".

Step S11 : the central server 200 sends a test command to the board test device 100 through the network port 170 , for example, the display screen 190 displays “start test”.

Step S12: The SPI bus signal output by the board card 400 to be tested is output to the microcontroller 110 through the SPI bus port 120, and the IIC bus signal output by the board card 400 to be tested is passed through the IIC bus port 130 After being transmitted to the signal converter 140 and converted into a digital signal by the signal converter 140, it is output to the microcontroller 110 through the IIC bus port 130, and the microcontroller 110 passes the received signal through The internal test program is processed and sent to the central server 200 through the network port 170 .

Step S13: The microcontroller 110 judges whether the test is passed according to the processing result, if not, execute step S14, and if pass, execute step S15.

Step S14: the microcontroller 110 sends the test item code and the test failure information code to the central server 200 through the network port 170, and the central server 200 records the test item code and the test failure information code.

Step S15: the microcontroller 110 sends the test item code and the test pass information code to the central server 200 through the network port 170, and the central server 200 records the test item code and the test pass information code.

Step S16: The microcontroller 110 judges whether all the test items of the board to be tested are passed, if not passed, return to step S11, if passed, execute step S17.

Step S17: the microcontroller 110 sends a test end information code to the central server 200 through the network port 170, and the central server 200 records and displays all test passing results.

When needing to test a plurality of board cards 400 to be tested, each board card 400 to be tested is connected with a board card test device 100, and the board card test device 100 connected with the board card 400 to be tested is connected with the central The server 200 is connected, and each board test device 100 compares the IP address output by the central server 200 received with its own IP address, if consistent, the board test device 100 and the central server 200 If the connection is normal, the central server 200 can test the board to be tested 400 correspondingly connected to the board testing device 100 through the board testing device 100. The test principle is the same as the above test principle, and will not be repeated here repeat.

Described board card testing device 100 and test method are processed by the SPI and the IIC bus signal that the described board card 400 output that receives is received by described micro-controller 110 through internal test procedure, and send to by described network port 170 The central server 200 is configured to record the test results of the boards to be tested 400 and display them to testers. The board card testing device and testing method are simple to operate, can replace a computer to test the board card to be tested, and reduce the cost of testing equipment.

Claims (8)

1. an integrated circuit board proving installation is used to test the spi bus signal and the iic bus signal of an awaiting board card, and described integrated circuit board proving installation comprises:

One spi bus port is used to connect the spi bus port of described awaiting board card, to receive the spi bus signal of described awaiting board card output;

One iic bus port is used to connect the iic bus port of described awaiting board card, to receive the iic bus signal of described awaiting board card output;

One signal converter is used to connect described iic bus port, is digital signal and passes through described iic bus port output with the iic bus conversion of signals that described iic bus port is received awaiting board card;

One serial line interface is used to connect one scan equipment, described scanning device is scanned the sequence number information output of the awaiting board card that obtains;

One network chip;

One network port is used to connect described network chip and communicates by letter with the network port of a central server;

One switch is used for opening or cutting out described integrated circuit board proving installation;

One display screen is used for the information of test process is shown; And

One microcontroller receives the setting IP address of the described integrated circuit board proving installation of described central server stores by the described network port, and judge whether the IP address that receives is consistent with the IP address of oneself, if then showing by described display screen, unanimity connects normal information, described microcontroller receives the spi bus signal of described awaiting board card output by described spi bus port, described microcontroller receives the iic bus signal of the described awaiting board card output after described signal converter conversion by described iic bus port, described microcontroller sends to described central server by the described network port with spi bus signal and the iic bus signal that receives after the close beta routine processes, so that described central server writes down the test result of awaiting board card and shows.

2. integrated circuit board proving installation as claimed in claim 1 is characterized in that: the described network port is connected with the network port of described central server by a grid line.

3. integrated circuit board proving installation as claimed in claim 1 is characterized in that: communicating by letter between described integrated circuit board proving installation and the described central server adopts wireless network to communicate.

4. integrated circuit board proving installation as claimed in claim 1 is characterized in that: described switch is a pushbutton switch, is arranged on the surface of described integrated circuit board proving installation.

5. integrated circuit board proving installation as claimed in claim 1 is characterized in that: described microcontroller comprises an internal storage, is used for storing test program.

6. integrated circuit board proving installation as claimed in claim 1 is characterized in that: described integrated circuit board proving installation comprises an external storage, and described external storage is connected with described microcontroller by an interface, and external storage is used for storing test program.

7. integrated circuit board proving installation as claimed in claim 1 is characterized in that: described signal converter is one 64 bit digital input/output signal converters.

8. an integrated circuit board method of testing is used to test an awaiting board card, may further comprise the steps:

S1: a microcontroller receives the setting IP address of the described integrated circuit board proving installation of a central server stores, and judges whether the IP address that receives is consistent with the IP address of oneself, if inconsistent, carries out S2, if consistent, carries out S3;

S2: show connection failure information;

S3: show to connect normal information;

S4: show list entries information;

S5: scan the sequence number of awaiting board card and described sequence number is sent to described microcontroller, so that described microcontroller sends to described central server with described sequence number;

S6: described central server is compared the sequence number that receives and the sequence number of storage inside, if inconsistent, carries out S7, if consistent, carries out S9;

S7: to the error message that transmits Sequence Number of described microcontroller;

S8: display sequence error message;

S9: send test instruction to described microcontroller;

S10: receive the spi bus signal of described awaiting board card output and receive the iic bus signal that the awaiting board card after signal converter conversion is exported, spi bus signal and the iic bus signal after changing that receives sent to described central server through after the close beta routine processes of described microcontroller;

S11: judge according to result whether test is passed through,, carry out S12,, carry out S13 if pass through if do not pass through;

S12: send test event code and test crash message code to described central server, record test event code and test crash message code;

S13: send the test event code to described central server and pass through message code with test, message code is passed through in record test event code and test;

S14: whether all test events of judging described awaiting board card are passed through, if do not pass through, return S9, if pass through, carry out S15; And

S15: send the end of test (EOT) message code to described central server, write down and show that all tests pass through the result.

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