CN111651176A - Method and device for on-line upgrading of server LCD module - Google Patents
Method and device for on-line upgrading of server LCD module Download PDFInfo
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- CN111651176A CN111651176A CN202010437548.8A CN202010437548A CN111651176A CN 111651176 A CN111651176 A CN 111651176A CN 202010437548 A CN202010437548 A CN 202010437548A CN 111651176 A CN111651176 A CN 111651176A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000013078 crystal Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a method and a device for on-line upgrading of a server LCD module, wherein the method is applied to the device for on-line upgrading of the server LCD module and comprises the following steps: the BMC is communicated with the LCD module through a serial port, wherein the BMC and the LCD module are both contained in a server LCD module online upgrading device; the BMC judges whether a user burning request instruction is received; if so, the BMC sends a connection instruction to the LCD module; after the connection is successful, the BMC sends an erasing instruction to the LCD module; after the erasing is successful, the BMC sends the burning file to the LCD module; the BMC sends a burning instruction to the LCD module; the LCD module writes the burning file into a ROM chip, wherein the ROM chip is contained in the LCD module. Through the arrangement, the method can directly upgrade the LCD firmware through the online upgrade device of the LCD module of the server, avoids the power failure of the server and the invariance brought by the interruption of user services, also avoids the damage to the server caused by the disassembly of the case, and greatly improves the upgrade efficiency of the LCD firmware of the server.
Description
Technical Field
The invention relates to the field of servers, in particular to a method and a device for online upgrading of a server LCD module.
Background
The existing method for upgrading the module firmware of the LCD (liquid crystal display) first needs to power off the server in the running server, and then opens the chassis to detach the LCD module from the server. And connecting a main control chip MCU (microcontrollerUnit) in the LCD module with a computer by a special burning tool, and simultaneously installing corresponding burning software and a driver in the computer. In the above process, the power failure needs to stop the service running on the server, which affects the service of the client. In addition, when the LCD firmware needs to be upgraded in a large scale in a computer room, a large number of LCD modules need to be disassembled and assembled, which is a very large workload for maintenance personnel, and the stability and consistency of the server are affected when the server is opened. Therefore, the existing server LCD module upgrading method is very cumbersome and inconvenient.
Disclosure of Invention
The invention mainly aims to provide an on-line upgrading method for a server LCD module, and aims to solve the technical problems that the existing server LCD module upgrading method is very complicated and inconvenient.
The invention provides a method for on-line upgrading of a server LCD module, which is applied to a device for on-line upgrading of the server LCD module and comprises the following steps:
the BMC is communicated with the LCD module through a serial port, wherein the BMC and the LCD module are both contained in a server LCD module online upgrading device;
the BMC judges whether a user burning request instruction is received;
if so, the BMC sends a connection instruction to the LCD module;
after the connection is successful, the BMC sends an erasing instruction to the LCD module;
after the erasing is successful, the BMC sends the burning file to the LCD module;
the BMC sends a burning instruction to the LCD module;
the LCD module writes the burning file into a ROM chip, wherein the ROM chip is contained in the LCD module.
Preferably, the BMC is in communication connection with the Web end, and the step of determining whether the user burning request instruction is received by the BMC includes:
and judging whether the BMC receives a burning request instruction sent by a user from a Web end.
Preferably, before the step of writing the burn record file into the ROM chip by the LCD module, the method includes:
the LCD module stops communicating with the BMC.
Preferably, the present invention further provides an online upgrade apparatus for a server LCD module, comprising:
the LCD module is used for displaying server information;
the BMC is used for receiving and sending the control command and the burning file to the LCD module;
and the client is used for sending the control command and the burning file to the BMC.
Preferably, the LCD module includes:
the MCU is used for receiving instructions and files of the BMC and controlling the LCD module;
the crystal oscillator is used for providing a clock source for the MCU, and the instruction period of the crystal oscillator is 12 MHz;
and the LCD is used for displaying.
The invention has the beneficial effects that: through the arrangement, the method can directly upgrade the LCD firmware through the online upgrade device of the LCD module of the server, avoids the power failure of the server and the invariance brought by the interruption of user services, also avoids the damage to the server caused by the disassembly of the case, and greatly improves the upgrade efficiency of the LCD firmware of the server.
Drawings
FIG. 1 is a schematic flow chart of a method for online upgrade of a server LCD module according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a server LCD module online upgrade apparatus according to a first embodiment of the present invention.
Description of reference numerals:
1. an LCD module; 11. MCU; 12. crystal oscillation; 13. an LCD;
2、BMC；
3. and (4) a client.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the present invention provides a method for on-line upgrading a server LCD module, the method being applied to a server LCD module on-line upgrading apparatus, including:
s1: the BMC2 is communicated with the LCD module 1 through a serial port, wherein the BMC2 and the LCD module 1 are both contained in a server LCD module online upgrading device;
s2: the BMC2 judges whether a user burning request instruction is received;
s3: if yes, the BMC2 sends a connection instruction to the LCD module 1;
s4: after the connection is successful, the BMC2 sends an erasing instruction to the LCD module 1;
s5: after the erasing is successful, the BMC2 sends the burning file to the LCD module 1;
s6: the BMC2 sends a burning command to the LCD module 1;
s7: the LCD module 1 writes the burning file into a ROM chip, wherein the ROM chip is contained in the LCD module 1.
In the embodiment of the present invention, when a BMC2(baseboard management controller) is started, it is necessary to initialize a corresponding serial port, set a baud rate 115200, set a data stream format, and set a frame format. The BMC2 communicates with the LCD module 1 through a serial port to realize data interaction between the LCD module and the BMC. Specifically, the BMC chip AST2500 of the upper motherboard of the hardware is connected to the MCU11 of the LCD module 1 through a serial port, and the MCU11 drives the LCD13 through the SPI bus. The BMC2 is in communication connection with the client 3, and the user can send a control command to the BMC2 through the client 3. The BMC2 judges whether a user burning request instruction is received in real time; if the BMC2 receives the user recording request command, it generates a connection command and sends the connection command to the LCD module 1. After the connection is successful, the BMC2 sends an erasing instruction to the LCD module 1 to complete the preparation of the burning file. After the program of the LCD module 1 is successfully erased, the BMC2 sends a recording file, which is specifically a bin file, to the LCD module 1. After sending the burning file, the BMC2 sends a burning command to the LCD module 1, the LCD module 1 starts burning, specifically, the MCU11 writes the burning file into the ROM chip after receiving the burning file, wherein the ROM chip is included in the LCD module 1, thereby completing the online upgrade of the LCD module 1. Through the arrangement, the method can directly upgrade the LCD firmware through the BMC2, avoids the power failure of the server and the invariance brought by the interruption of user services, also avoids the damage to the server caused by the disassembly of the case, and greatly improves the upgrading efficiency of the LCD firmware of the server.
Further, the step S2, in which the BMC2 is in communication connection with the Web side, and the BMC2 determines whether the user burn request instruction is received, includes:
s21: and judging whether the BMC receives a burning request instruction sent by a user from a Web end.
In the embodiment of the invention, a user accesses a server through a world wide Web (world wide Web) end and sends an instruction to the server. And a burning instruction can be sent and a burning file can be transmitted to the BMC2 at the Web end, so that the upgrading efficiency of the user for updating the LCD firmware of the server is further improved.
Further, before the step S7 in which the LCD module 1 writes the burning file into the ROM chip, the method includes:
the LCD module 1 stops communicating with the BMC 2.
In the embodiment of the invention, after the LCD module 1 receives the burning command, the communication with the BMC2 is immediately stopped, so as to prevent the BMC2 from interfering with the upgrading of the LCD module 1.
In other embodiments of the present invention, before the LCD module 1 receives the recording information, the LCD module 1 displays the information sent by the BMC2 in a loop, including the IP, model, and server errors sent by the BMC 2.
Referring to fig. 2, the present invention provides an online upgrade apparatus for a server LCD module, comprising:
the LCD module 1 is used for displaying server information;
the BMC2 is used for receiving and sending a control command and a burning file to the LCD module 1;
and the client 3 is used for sending the control command and the burning file to the BMC 2.
Further, the LCD module 1 includes:
the MCU11 is used for receiving instructions and files of the BMC2 and controlling the LCD module 1;
the crystal oscillator 12 is used for providing a clock source for the MCU11, and the instruction period of the crystal oscillator is 12 MHz;
and the LCD13 is used for displaying.
In the embodiment of the invention, the server LCD module online upgrading device comprises an LCD module 1, a BMC2 and a client 3. The client 3 is a Web client. In the online upgrading process, the client sends a burning request instruction to the BMC2, the BMC2 sends the burning file received from the Web to the LCD module 1 after receiving the burning request instruction, and the LCD module 1 starts burning after receiving the burning instruction sent by the BMC2, so that the online upgrading of the LCD firmware is completed. Through the arrangement, the method can directly upgrade the LCD firmware through the BMC2, avoids the power failure of the server and the invariance brought by the interruption of user services, also avoids the damage to the server caused by the disassembly of the case, and greatly improves the upgrading efficiency of the LCD firmware of the server.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A method for on-line upgrading of a server LCD module is characterized in that the method is applied to a device for on-line upgrading of the server LCD module, and comprises the following steps:
the BMC is communicated with the LCD module through a serial port, wherein the BMC and the LCD module are both contained in the server LCD module online upgrading device;
the BMC judges whether a user burning request instruction is received;
if so, the BMC sends a connection instruction to the LCD module;
after the connection is successful, the BMC sends an erasing instruction to the LCD module;
after the erasing is successful, the BMC sends a burning file to the LCD module;
the BMC sends a burning instruction to the LCD module;
and the LCD module writes the burning file into a ROM chip, wherein the ROM chip is contained in the LCD module.
2. The method for the on-line upgrade of the server LCD module according to claim 1, wherein the BMC is in communication connection with the Web end, and the step of judging whether the user burning request instruction is received by the BMC comprises:
and judging whether the BMC receives a burning request instruction sent by a user from a Web end.
3. The method for on-line upgrading of the server LCD module according to claim 1, wherein before the step of writing the burn record file into the ROM chip by the LCD module, the method comprises:
the LCD module stops communicating with the BMC.
4. An on-line upgrading device for a server LCD module is characterized by comprising:
the LCD module is used for displaying server information;
the BMC is used for receiving and sending a control command and a burning file to the LCD module;
and the client is used for sending a control command and a burning file to the BMC.
5. The LCD module online upgrade apparatus according to claim 4, wherein the LCD module comprises:
the MCU is used for receiving the instruction and the file of the BMC and controlling the LCD module;
the crystal oscillator is used for providing a clock source for the MCU, and the instruction period of the crystal oscillator is 12 MHz;
and the LCD is used for displaying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010437548.8A CN111651176B (en) | 2020-05-21 | 2020-05-21 | Method and device for online upgrading of server LCD module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010437548.8A CN111651176B (en) | 2020-05-21 | 2020-05-21 | Method and device for online upgrading of server LCD module |
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| CN111651176A true CN111651176A (en) | 2020-09-11 |
| CN111651176B CN111651176B (en) | 2023-11-07 |
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Cited By (1)
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| CN117130639A (en) * | 2023-10-26 | 2023-11-28 | 江苏华鲲振宇智能科技有限责任公司 | BMC cluster management single-board MCU firmware upgrading method and system |
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| CN111651176B (en) | 2023-11-07 |
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