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Method capable of achieving UID-LED multistate control

A technology of UID-LED and state control, which is applied in the direction of program control, computer control, general control system, etc., can solve problems such as inconvenience, achieve the effect of convenient application, and improve functionality and practicability

Active Publication Date: 2018-11-30
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually the above two methods realize the UID-LED indication is the same as the off state, and the control operation is relatively simple. However, when the technician needs to distinguish the way to light the UID-LED after positioning problems, the above control methods cannot meet the requirements, which is very inconvenient.

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  • Method capable of achieving UID-LED multistate control
  • Method capable of achieving UID-LED multistate control
  • Method capable of achieving UID-LED multistate control

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Embodiment Construction

[0035] In order to better understand the present invention, the implementation manner of the present invention will be explained in detail below in conjunction with the accompanying drawings.

[0036] A method capable of realizing UID-LED multi-state control, comprising the following steps:

[0037] 1) Complete the peripheral circuit connection, including the connection of UID button and UID_BMC input signal to CPLD-FPGA and the connection of CPLD-FPGA output control signal UID-LED to LED control terminal CMOS.

[0038] The peripheral circuit design mainly includes two parts: the input part and the output part, such as figure 1 shown. The input part refers to connecting the UID_BTN signal to the CPLD-FPGA general-purpose input and output pins as an input, and at the same time connecting the UID_BMC output by the BMC to the CPLD-FPGA general-purpose input and output pins as an input. The output part refers to using the control signal output by the CPLD-FPGA as the gate contro...

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Abstract

The invention relates to a method capable of achieving UID-LED multistate control and belongs to the technical field of server design and application. The method comprises the following steps that (1)peripheral circuit design is completed; (2) a UID-LED multistate controlled module is achieved through the Verilog hardware description language; (3) a mirror image document is downloaded into a CPLD / FPGA chip of a server to achieve UID-LED multistate control; (4) key shake removing module design and key detection are conducted on a UID key by a CPLD in real time; (5) IPMI signals input by a BMCare subjected to synchronous module design and signal detection by the CPLD in real time; and (6) the signals coming from the UID key and the BMC are judged and selected. The UID signals can be preprocessed, judged, selected and controlled on the basis of CPLD-FPGA, when UID-LED effective indication signals are detected, the signal source can be judged in real time, finally, UID-LED adopts different indication modes, and then UID-LED lightening modes are effectively distinguished.

Description

technical field [0001] The invention relates to a method capable of realizing UID-LED multi-state control, belonging to the technical field of server design and application. Background technique [0002] At present, CPLD-FPGA is a semi-custom application-specific integrated circuit, which has a series of advantages such as programmability and high integration. It is more and more widely used in the field of development and verification applications and server design. In-depth, CPLD-FPGA plays an increasingly important role in server applications. The main functions realized by the existing CPLD-FPGA in the server include: switch control, key detection control, LED indication control, communication control and alarm control indication, etc. [0003] UID-LED is an important part of machine design including servers. Inspection personnel can mark faulty machines through UID-LED, and maintenance personnel can quickly locate faulty machines and repair them. There are mainly two ...

Claims

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 季冬冬
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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