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Bus-signal monitoring device and method

A bus signal and monitoring device technology, applied in the field of data communication, can solve the problems of unfavorable target device debugging, limited data volume, increased labor cost and equipment cost, etc.

Inactive Publication Date: 2014-06-11
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process increases the labor cost and equipment cost of development, and the oscilloscope or logic analyzer can only display the currently acquired signal status, and the amount of data acquired at a time is very limited, which is not conducive to the debugging of the target device, especially to the pressure Target device under test for debugging

Method used

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  • Bus-signal monitoring device and method

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Embodiment Construction

[0028] see figure 1 , the figure schematically shows that a bus signal monitoring device 30 according to an embodiment of the present invention is applied to a bus architecture, the bus architecture includes a master device 10 and a slave device 20, the master The device 10 is connected to the slave device 20 through a bus, and the bus can be I 2 C bus or SPI bus, those skilled in the art should understand that the master control device 10 and the slave device 20 can also be connected through other buses, and are not limited to I 2 C bus and SPI bus.

[0029] exist figure 1 In the shown bus structure, the master control device 10 is in the position of a master (Master), and the slave device 20 is in a position of a slave (Slaver). The master control device 10 is used to start data transmission and generate a clock signal to The slave device 20 sends an instruction, and the slave device 20 is used to respond to the instruction sent by the master device 10 and return data to ...

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Abstract

The invention relates to a bus-signal monitoring device, which comprises a signal-acquiring module, a data buffer, a processing unit, a simplified medium independent interface and an Ethernet interface, wherein the signal-acquiring module is used for acquiring real-time signals from a bus and decoding the acquired real-time signals into accessible data, the accessible data are stored in the data buffer, the processing unit is used for reading the accessible data from the data buffer, the accessible data are sent to the simplified medium independent interface, the simplified medium independent interface is used for converting the accessible data into an Ethernet data packet, and the Ethernet data packet is sent to a main control end through the Ethernet interface. The invention also discloses a bus-signal monitoring method.

Description

technical field [0001] The invention relates to the field of data communication, in particular to a device and method for monitoring signals transmitted on a bus. Background technique [0002] I 2 C (Inter-Integrated Circuit) bus and SPI (Serial Peripheral interface) bus are widely used in the fields of microelectronics, communication control, and server management due to their advantages such as fewer interface lines, simple control methods, small device packaging, and high communication speed. . It is mainly used to connect the microcontroller and its peripheral equipment, so that the main control device can control and read the status of the peripheral equipment in a timely manner. For example, the administrator can query each component to manage the configuration of the system or grasp the functions of the components. state. In traditional debugging methods, engineers or testers must use oscilloscopes or logic analyzers to obtain signals on the bus, analyze through co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/38
CPCH04L43/10H04L43/12
Inventor 王康斌
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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