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A data transmission tracking method, device and system

A data transmission and data technology, applied in the direction of electrical digital data processing, digital output to display equipment, instruments, etc., can solve the problems of small amount of tracking information and low efficiency

Active Publication Date: 2018-01-16
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention provides a data transmission tracking method, device and system, aiming to solve the problem of small amount of tracking information and low efficiency in system-on-chip debugging data transmission tracking existing in the prior art

Method used

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  • A data transmission tracking method, device and system
  • A data transmission tracking method, device and system
  • A data transmission tracking method, device and system

Examples

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example 1

[0088]Example 1: When the transmission trace is "HELLO WORLD!" string. The specific transmission process is: the receiving module receives the data packet 0X0002_0008 constructed according to the data packet format, and parses to get the 31st bit of the data packet to be 0, then judges that the data packet type is a data packet consisting only of the packet header, and extracts 30BIT-0BIT , the offset address of the corresponding character string is 0X0002_0008, and the ASIIC code data of the character string is extracted according to the offset address in the symbol information correspondence table of the executable file, until the end of the character string, the criterion for judging the end of the character string is Up to data 0, display the extracted ASIIC coded data in characters, and "HELLO WORLD!" will be displayed.

[0089] Example 2: The receiving module receives the data packet header 0X8002_0010. According to the data packet format set by the implementation, the 3...

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Abstract

The invention relates to the field of data transmission tracking, and discloses a data transmission tracking method, device and system. The method includes: the CPU sets the data packet format used in data transmission tracking and stores the character string information to be tracked in an executable file In; according to the data packet format of setting and constructing data packet and sending, display device receives data packet, parses data packet according to the data packet format of described setting, obtains data packet type and character string offset address; According to described data packet Type and the offset address of the string, search the string information from the executable file and display the data information according to the string information, the data transmission tracking method disclosed in the present invention can be obtained by extracting the information carried by the data packet and searching The string information in the executable file is converted and displayed according to the string information, and the easy-to-read data information is tracked by transmitting less information.

Description

technical field [0001] The invention relates to the field of data transmission tracking, in particular to a system on chip debugging data transmission tracking method, device and system. Background technique [0002] In system-on-chip data debugging, it is necessary to track the debugging data in order to grasp the complex operation process, data movement, software or hardware running status, etc. in real time. Commonly used tracking techniques such as figure 1 As shown, the CPU transmits the traced data information to the display device for display through a data transmission interface (such as UART, SPI, USB, etc.). This technology is to convert the tracked data information into standard ASIIC code, and then transmit it to the display device for display through the data transmission interface. This technology is relatively simple to implement, but the problems of this technology are: 1. The trace information read by the debugger, such as a character string with a certain...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/14G06F13/38
Inventor 杨德勇陈扬
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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