CN104750588A - Serial port communication based pressure testing method - Google Patents
Serial port communication based pressure testing method Download PDFInfo
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- CN104750588A CN104750588A CN201510096012.3A CN201510096012A CN104750588A CN 104750588 A CN104750588 A CN 104750588A CN 201510096012 A CN201510096012 A CN 201510096012A CN 104750588 A CN104750588 A CN 104750588A
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Abstract
The invention discloses a serial port communication based pressure testing method. The method comprises the steps that a transmitting end TX and a receiving end RX of a test-needed serial port communication link are in short circuit, and a transmitting end TX and a receiving end RX of a test tool are connected with the serial port communication link; data parameters of the test tool are configured, and transmitting and receiving are carried out on data, and contrastive analysis is carried out to judge whether transmitting data are matched with receiving data or not; a matching result is shown, it is judged whether the testing continues to be carried out or not according to the matching result; when the testing is needed to be continued, transmitting data parameters are changed to exert pressure on the serial port communication link, and an optimal performance index of the serial port communication link is obtained. According to the serial port communication based pressure testing method, the communication is guaranteed to be stable according to various types of test mechanisms, whether the serial port communication is normal or not can be tested, the optimal performance index of the serial port communication can be tested, and therefore the stability and the reliability of the serial port communication are guaranteed.
Description
Technical field
The present invention relates to serial port communication technology field, particularly relate to a kind of method for testing pressure based on serial communication.
Background technology
Along with the development of computer network and microcomputer grading distribution application system, the function of communication is more and more important.Communication refers to that computing machine transmits with extraneous data, namely comprises the transmission between computing machine and computing machine, also comprises the transmission of computing machine and external unit.Serial communication to refer between main frame and external unit and the serial transfer of data between host computer system and host computer system.Use a data line, data ground transmitted successively, each data occupy one regular time length, its needs several lines just can exchange information between system.Have because serial ports connects advantages such as connecting easy, the relatively convenient and transmission stability of plug, current serial communication is widely used in vehicle electric field.
But vehicle electric field, serial communication mode has DMA to transmit or ordinary buffer sends, serial communication generally needs through hardware layer, OEM layer, BSP layer, the good multilayer link of APP layer, cause obliterated data in communication process, or data congestion and cause Caton phenomenon and communication delay uncertain.The method of current test serial communication performance has a lot, but all more single and complicated operations of function ratio.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of method for testing pressure based on serial communication, the single and problem of complicated operation of the methodological function being intended to solve existing test serial communication performance.
Technical scheme of the present invention is as follows:
Based on a method for testing pressure for serial communication, wherein, step is comprised:
A, by the transmitting terminal TX of the serial communication link of required test and receiving end RX short circuit, the transmitting terminal TX of testing tool to be connected with serial communication link respectively with receiving end RX;
B, configure the data parameters of testing tool, then send data and receive data, and whether mating with the data sent of receiving of comparative analysis;
C, display matching result, and judge whether to continue test according to matching result;
D, when needs continue test time, change send data parameters to serial communication link apply pressure, to obtain the optimal performance index of serial communication link.
The described method for testing pressure based on serial communication, wherein, described step B specifically comprises:
B1, configure the data parameters of testing tool;
B2 Lookup protocol one timer, then judge whether to send data by timer;
B3, when sending out data, record sends and the data packet number received, size and School Affairs respectively;
Whether what B4, analysis received mates with the data packet number sent, size and School Affairs.
The described method for testing pressure based on serial communication, wherein, described step B3 also comprises:
Record sends the time of data and receives the time of data.
The described method for testing pressure based on serial communication, wherein, described step B4 also comprises:
Analyze the time interval sending data to and receive data.
The described method for testing pressure based on serial communication, wherein, the start bit that in described step B1, described data parameters comprises corresponding com port, data packet number, data package size, transmission frequency, transmitting terminal TX communicate with receiving end RX, data bit, position of rest, check bit, loop test time and baud rate.
The described method for testing pressure based on serial communication, wherein, in described step D, the data packet number that change sends, size or School Affairs apply pressure to serial communication link.
The described method for testing pressure based on serial communication, wherein, in described step D, the data packet number that change sends, size, School Affairs or transmission frequency apply pressure to serial communication link.
The described method for testing pressure based on serial communication, wherein, in described step D, increases the data packet number sending data and applies pressure to serial communication link.
The described method for testing pressure based on serial communication, wherein, in described step D, accelerates transmission frequency and applies pressure to serial communication link.
The described method for testing pressure based on serial communication, wherein, in described step D, arranges long-time loop test and applies pressure to serial communication link.
Beneficial effect: the above-mentioned method for testing pressure based on serial communication provided by the present invention, guarantee that communication is stable by multiple verification scheme, serial communication can not only be tested whether normal, the optimal performance index of serial communication can also be tested out, thus ensure that stability and the reliability of serial communication.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation based on the pressure test device in the method for testing pressure embodiment of serial communication of the present invention.
Fig. 2 is the process flow diagram of the preferred embodiment of a kind of method for testing pressure based on serial communication of the present invention.
Fig. 3 is the particular flow sheet of step S200 in method shown in Fig. 2.
Fig. 4 is the process flow diagram of a kind of another embodiment of method for testing pressure based on serial communication of the present invention.
Embodiment
The invention provides a kind of method for testing pressure based on serial communication, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.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, Fig. 1 is a kind of structural representation based on the pressure test device in the method for testing pressure embodiment of serial communication of the present invention.As shown in the figure, pressure test device of the present invention comprises: the serial communication link 300 of facility communication system or PC 100, the serial communication testing tool 200 being built in facility communication system or PC, transmitting terminal TX and receiving end RX short circuit.
Fig. 2 is the process flow diagram of a kind of method for testing pressure preferred embodiment based on serial communication of the present invention, and it comprises step:
S100, by the transmitting terminal TX of the serial communication link of required test and receiving end RX short circuit, the transmitting terminal TX of testing tool to be connected with serial communication link respectively with receiving end RX;
S200, configure the data parameters of testing tool, then send data and receive data, and whether mating with the data sent of receiving of comparative analysis;
S300, display matching result, and judge whether to continue test according to matching result, be then perform step S400, no, then return step S200;
S400, when needs continue test time, change send data parameters to serial communication link apply pressure, to obtain the optimal performance index of serial communication link.
The above-mentioned method for testing pressure based on serial communication provided by the present invention, by receive with the matching result of data sent, whether normally test serial communication; And apply pressure by the data parameters that change sends to serial communication link, test the optimal performance index of serial communication.Above-mentioned multiple verification scheme of the present invention ensure that communication is stable, thus ensure that stability and the reliability of serial communication.
Particularly, in described step S100, the transmitting terminal TX of the serial communication link of required test and receiving end RX short circuit can be inner short circuit or direct short circuit.
Specifically, as shown in Figure 3, described step S200 can be refined as following steps:
S201, configure the data parameters of testing tool;
Particularly, first open serial communication testing tool, then configure the data parameters of testing tool.The parameters such as the start bit that described data parameters comprises corresponding com port, data packet number, data package size, transmission frequency, transmitting terminal TX communicate with receiving end RX, data bit, position of rest, check bit and baud rate.
S202, Lookup protocol one timer, then judge whether to send data by timer, be, then perform step S203, no, then perform step S205;
S203, when sending out data, record sends and the data packet number received, size and School Affairs respectively;
Particularly, when sending out data, data packet number, size and School Affairs that record transmitting terminal TX sends, record data packet number, size and School Affairs that receiving end RX receives simultaneously.
Whether what S204, analysis received mates with the data packet number sent, size and School Affairs;
In described step S204, whether the data packet number, size and the School Affairs that receive by analyzing receiving end RX mate data packet number, size and the School Affairs that transmitting terminal TX sends, and whether normally can test out serial communication link.
S205, etc. data to be sent, and continue to be back to step S202.
Further, described step S203 also comprises the time of record transmission data and receives the time of data.
Further, described step S204 also comprises the time interval analyzed and send data to and receive data.Namely when sending out data, record the data packet number of transmitting terminal TX transmission, size and School Affairs, also record the time that transmitting terminal TX sends data, record the time of the data packet number of receiving end RX reception, size, School Affairs and reception data simultaneously.Whether what then comparative analysis receiving end RX received mates with data packet number, size and School Affairs that transmitting terminal TX sends, and calculates the time interval sending data to and receive data.In the present invention, whether the data packet number, size and the School Affairs that receive by analyzing receiving end RX mate data packet number, size and the School Affairs that transmitting terminal TX sends, simultaneously in conjunction with the time interval of receiving end RX and transmitting terminal TX, serial communication link can not only be tested out whether normal, the performance index of serial communication link can also be tested out.
Further, in described step S400, when continuing test, testing tool can be changed the data packet number of transmission, size or School Affairs and apply pressure to serial communication link.Testing tool also can be changed the transmission frequency sending data and apply pressure to serial communication link.Such as, testing tool utilizes the random or fixed character string data bag produced, increase or reduce the size of each packet sent, the mode such as transmission frequency accelerated or slow down Packet Generation applies pressure to serial communication, to obtain performance index and the communication efficiency of serial communication link, long-time winding loop test also can be set simultaneously to verify stability and the reliability of serial communication.
Further, the present invention, in test process, also applies pressure, to obtain the maximum data packet quantity of serial communication link by increasing the data packet number sending data to serial communication link.
Further, the present invention, in test process, also applies pressure, to obtain the highest transmission frequency of serial communication link by accelerating to send data frequency to serial communication link.
Further, the present invention, in test process, also applies pressure, to obtain the longest stabilized communication time of serial communication link by arranging long-time loop test to serial communication link.
The present invention sends data packet number by above-mentioned increase, accelerates transmission frequency and arranges the modes such as long-time loop test and applies pressure to whole serial communication link, to obtain the maximum data packet quantity of serial communication link, the highest transmission frequency, the performance index such as the longest stabilized communication time, thus ensure that stability and the reliability of serial communication.
Further, the mode of serial communication of the present invention can be DMA transmission or ordinary buffer transmission.In other words, namely serial communication of the present invention is applicable to high speed data transfer, is also applicable to ordinary buffer transmission.
As shown in Figure 4, it is the process flow diagram of a kind of another embodiment of method for testing pressure based on serial communication of the present invention, and as shown in the figure, it comprises:
S1, open serial ports test;
S2, configuration data parameter;
S3, timer judge whether to send data, are, then perform step S4, no, then perform step S5;
S4, transmission data, and record sends data parameters;
S5, etc. data to be sent, and return step S3;
S6, reception data, and record receives data parameters;
S7, comparative analysis send data with receive data parameters, and writing time interval;
S8, judge test whether terminate, be, then perform step S9, no, then perform step S10;
S9, end;
S10, continuation test, and return step S3.
In sum, the above-mentioned method for testing pressure based on serial communication provided by the present invention, guarantee that communication is stable by multiple verification scheme, serial communication can not only be tested whether normal, the optimal performance index of serial communication can also be tested out, thus ensure that stability and the reliability of serial communication.
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. based on a method for testing pressure for serial communication, it is characterized in that, comprise step:
A, by the transmitting terminal TX of the serial communication link of required test and receiving end RX short circuit, the transmitting terminal TX of testing tool to be connected with serial communication link respectively with receiving end RX;
B, configure the data parameters of testing tool, then send data and receive data, and whether mating with the data sent of receiving of comparative analysis;
C, display matching result, and judge whether to continue test according to matching result;
D, when needs continue test time, change send data parameters to serial communication link apply pressure, to obtain the optimal performance index of serial communication link.
2. the method for testing pressure based on serial communication according to claim 1, is characterized in that, described step B specifically comprises:
B1, configure the data parameters of testing tool;
B2, Lookup protocol one timer, then judge whether to send data by timer;
B3, when sending out data, record sends and the data packet number received, size and School Affairs respectively;
Whether what B4, analysis received mates with the data packet number sent, size and School Affairs.
3. the method for testing pressure based on serial communication according to claim 2, is characterized in that, described step B3 also comprises:
Record sends the time of data and receives the time of data.
4. the method for testing pressure based on serial communication according to claim 3, is characterized in that, described step B4 also comprises:
Analyze the time interval sending data to and receive data.
5. the method for testing pressure based on serial communication according to claim 1, it is characterized in that, the start bit that in described step B, described data parameters comprises corresponding com port, data packet number, data package size, transmission frequency, transmitting terminal TX communicate with receiving end RX, data bit, position of rest, check bit, loop test time and baud rate.
6. the method for testing pressure based on serial communication according to claim 5, is characterized in that, in described step D, the data packet number that change sends, size or School Affairs apply pressure to serial communication link.
7. the method for testing pressure based on serial communication according to claim 5, is characterized in that, in described step D, the data packet number that change sends, size, School Affairs or transmission frequency apply pressure to serial communication link.
8. the method for testing pressure based on serial communication according to claim 5, is characterized in that, in described step D, increases the data packet number sending data and applies pressure to serial communication link.
9. the method for testing pressure based on serial communication according to claim 5, is characterized in that, in described step D, accelerates transmission frequency and applies pressure to serial communication link.
10. the method for testing pressure based on serial communication according to claim 5, is characterized in that, in described step D, arranges long-time loop test and applies pressure to serial communication link.
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| CN201510096012.3A CN104750588B (en) | 2015-03-04 | 2015-03-04 | A kind of method for testing pressure based on serial communication |
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| CN107026765A (en) * | 2016-02-02 | 2017-08-08 | 美的集团股份有限公司 | Supplied materials detection method, terminal and the system of WiFi module |
| CN107579862A (en) * | 2017-10-17 | 2018-01-12 | 北京安控科技股份有限公司 | A kind of method of measuring apparatus network communications capability |
| CN109376042A (en) * | 2018-10-12 | 2019-02-22 | 华自科技股份有限公司 | Serial ports test method, device, communication manager and storage medium |
| CN111459143A (en) * | 2020-04-26 | 2020-07-28 | 上海航天计算机技术研究所 | Multi-serial port communication self-closed loop detection system and method |
| CN111562490A (en) * | 2019-02-14 | 2020-08-21 | 深圳市汇顶科技股份有限公司 | Test method and system |
| CN112162890A (en) * | 2020-09-24 | 2021-01-01 | 深圳市航顺芯片技术研发有限公司 | DMA pressure test method and device of MCU and storage medium |
| CN112925684A (en) * | 2021-03-22 | 2021-06-08 | 西安紫光国芯半导体有限公司 | Testing method of link establishment logic and related equipment |
| CN113127401A (en) * | 2021-03-10 | 2021-07-16 | 歌尔科技有限公司 | Earphone box and earphone communication method and system |
| CN113568793A (en) * | 2021-07-26 | 2021-10-29 | 西安广和通无线软件有限公司 | Serial port testing method, intelligent module and storage medium |
| CN113655773A (en) * | 2021-07-19 | 2021-11-16 | 东风汽车集团股份有限公司 | Vehicle machine system communication serial port pressure testing system and method |
| CN114070753A (en) * | 2021-10-12 | 2022-02-18 | 山东有人物联网股份有限公司 | Transparent transmission equipment testing method and device and computer readable storage medium |
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| CN107579862B (en) * | 2017-10-17 | 2021-05-18 | 北京安控科技股份有限公司 | Method for measuring network communication capability of equipment |
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| CN112162890A (en) * | 2020-09-24 | 2021-01-01 | 深圳市航顺芯片技术研发有限公司 | DMA pressure test method and device of MCU and storage medium |
| CN112162890B (en) * | 2020-09-24 | 2021-09-21 | 深圳市航顺芯片技术研发有限公司 | DMA pressure test method and device of MCU and storage medium |
| CN113127401B (en) * | 2021-03-10 | 2023-03-28 | 歌尔科技有限公司 | Earphone box and earphone communication method and system |
| CN113127401A (en) * | 2021-03-10 | 2021-07-16 | 歌尔科技有限公司 | Earphone box and earphone communication method and system |
| CN112925684A (en) * | 2021-03-22 | 2021-06-08 | 西安紫光国芯半导体有限公司 | Testing method of link establishment logic and related equipment |
| CN113655773A (en) * | 2021-07-19 | 2021-11-16 | 东风汽车集团股份有限公司 | Vehicle machine system communication serial port pressure testing system and method |
| CN113655773B (en) * | 2021-07-19 | 2023-02-28 | 东风汽车集团股份有限公司 | Vehicle machine system communication serial port pressure testing system and method |
| CN113568793A (en) * | 2021-07-26 | 2021-10-29 | 西安广和通无线软件有限公司 | Serial port testing method, intelligent module and storage medium |
| CN114070753A (en) * | 2021-10-12 | 2022-02-18 | 山东有人物联网股份有限公司 | Transparent transmission equipment testing method and device and computer readable storage medium |
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