Standard-based real-time logic analysis recording method and system
A technology of logical analysis and recording system, applied in the field of data communication, it can solve the problems of no analysis and recording, and the inability of two-way transmission on the same communication line, so as to improve the analysis speed and reduce the cost.
Inactive Publication Date: 2007-08-22
GUANGDONG POLYTECHNIC NORMAL UNIV
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Another example is invention 98116233.9 (diagnostic device for testing serial communication), which is only applicable to the communication mode of RS-232 in asynchronous mode, and cannot be applied to the situation of two-way transmission of the same communication line; another example is invention 92107283.X (logic analyzer card), which can only be used to test the logic level and does not have the function of analyzing and recording according to the protocol standard; another example is the invention 89216366.6 (universal logic analyzer), which is a kind of data capture memory, which is not carried out according to the protocol standard data capture or analysis
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[0030] As shown in Fig. 1, it is a functional block diagram of the system of the present invention. It includes a front-end processing module 1, a control and front-end analysis module 2, a storage module 3, a microcomputer module 4 and a communication interface module 5. The front-end processing module 1 converts the received information into standard logical bit information according to the communication transmission protocol standard; the control And the front-end analysis module 2 controls each module, and at the same time, according to the user's setting requirements, the received information is analyzed according to the communication protocol standard, that is, the useful data is analyzed and sent to the storage module 3 for storage. For example, RS-232 can It is set by the user to record or not to record auxiliary signals (such as RTS, etc.); the microcomputer module 4 performs back-end command analysis or communication process analysis on the data in the storage module ...
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The invention discloses a method and system for real-time logic analyzing and recording based on standards, including a front-end processing module, a memory module, a controlling and front-end analyzing module, a micro-computer module and a communicating interface module. The front-end module converts the received signals into the standard logic bits of information in accordance with the communications protocol. The controlling and front-end analyzing module controls all the modules and front-end analyzes the received bit information and sends it to the memory module in accordance with communication protocol. The micro-computer module back-end analyzes the data in the memory module in accordance with the standard communication protocol and it can also transfer the results of the analysis through communication interface module to the general computer for further analysis.
Description
technical field [0001] The invention belongs to the field of data communication, and in particular relates to a standard-based real-time logical analysis record processing method; in addition, the present invention also relates to a practical system adopting the above-mentioned real-time logical analysis record processing method. Background technique [0002] Data communication and data transmission are widely used, and all data communication and data transmission are carried out in accordance with specific communication standards, such as serial communication protocol standards USB, I 2 C. RS-232, RS-485, CAN, SPI, 1-wire, TCN and PS / 2, etc. Wireless communication protocol standards such as ISO / IEC14443 and ISO / IEC15693, etc. For parallel communication protocol standards such as IEEE1284, PCI, GPIB , STD and various microcomputer buses, etc. [0003] Due to the continuous improvement of data transmission speed, communication protocol standards are becoming more and more co...
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Inventor 杨振野张进陈坤城韦方明杨劼学
Owner GUANGDONG POLYTECHNIC NORMAL UNIV