CN111309358A - CPLD (Complex programmable logic device) firmware upgrading method, device, equipment and readable storage medium - Google Patents
CPLD (Complex programmable logic device) firmware upgrading method, device, equipment and readable storage medium Download PDFInfo
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- CN111309358A CN111309358A CN202010121447.XA CN202010121447A CN111309358A CN 111309358 A CN111309358 A CN 111309358A CN 202010121447 A CN202010121447 A CN 202010121447A CN 111309358 A CN111309358 A CN 111309358A
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Abstract
The invention discloses a CPLD firmware upgrading method, a device, equipment and a readable storage medium, wherein the method comprises the following steps: before starting the system, the BIOS monitors a CPLD firmware update switch; after detecting that the CPLD firmware update switch outputs a starting signal, detecting whether a CPLD firmware file exists under a specified path; if yes, firmware upgrading is carried out on the target CPLD by utilizing a local firmware upgrading program and combining the CPLD firmware file; and starting the system after successfully upgrading the firmware of the target CPLD. Therefore, in the method, the CPLD firmware can be updated without a third-party burning tool, burning software and professionals, the CPLD firmware can be directly updated by the machine, and the firmware updating efficiency of the CPLD is improved.
Description
Technical Field
The invention relates to the technical field of computer application, in particular to a method, a device and equipment for upgrading a CPLD (complex programmable logic device) firmware and a readable storage medium.
Background
The CPLD is a digital integrated circuit that a user can construct logic functions according to their own needs, and is widely used in various devices, such as a PCB main board. With the increasing requirements of users on the reliability and safety of devices, if a problem occurs during the operation of the CPLD or the functional requirements change, the firmware version of the CPLD needs to be upgraded.
However, in the current test, the upgrading of the CPLD firmware version requires the engineer to manually upgrade and update with a specific burning device and software, so the updating manner is affected by equipment and personnel, and the single board for updating each time is limited. In addition, some upgrading methods need to rely on a third-party platform and a server for online updating, and firmware updating cannot be realized for CPLDs (complex programmable logic devices) injected into equipment which cannot be networked in special local area networks such as a bank system and a public security system. That is, the existing CPLD firmware upgrade has many limiting factors, resulting in inefficient firmware update.
In summary, how to effectively improve the update efficiency of the CPLD firmware and the like is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a CPLD firmware upgrading method, a device, equipment and a readable storage medium, which are used for improving the CPLD firmware upgrading efficiency and the like.
In order to solve the technical problems, the invention provides the following technical scheme:
a CPLD firmware upgrading method comprises the following steps:
before starting the system, the BIOS monitors a CPLD firmware update switch;
after detecting that the CPLD firmware updating switch outputs a starting signal, detecting whether a CPLD firmware file exists under a specified path;
if yes, firmware upgrading is carried out on the target CPLD by utilizing a local firmware upgrading program and combining the CPLD firmware file;
and starting the system after successfully upgrading the firmware of the target CPLD.
Preferably, after the firmware of the target CPLD is successfully upgraded, the method further includes:
and clearing the CPLD firmware file under the specified path.
Preferably, the setting interface of the BIOS has the CPLD firmware update switch; and the CPLD firmware updating switch outputs the starting signal under the opening operation of a user.
Preferably, the storing process of the CPLD firmware file includes:
acquiring the CPLD firmware file from external equipment;
and storing the CPLD firmware file under the specified path which can be accessed by the BIOS.
Preferably, when the CPLD firmware file is not detected under the specified path, the method includes:
the system is started.
Preferably, after detecting that the CPLD firmware update switch outputs the on signal, the method further includes:
and resetting the CPLD firmware updating switch to be in an off state.
Preferably, before the BIOS monitors the CPLD firmware update switch, the method further includes:
and displaying the version information of the CPLD firmware file.
A CPLD firmware upgrade apparatus, comprising:
the switch monitoring module is used for monitoring the CPLD firmware update switch by the BIOS before starting the system;
the file detection module is used for detecting whether a CPLD firmware file exists under a specified path or not after detecting that the CPLD firmware update switch outputs a starting signal;
the upgrading processing module is used for upgrading the firmware of the target CPLD by utilizing a local firmware upgrading program and combining the CPLD firmware file if the CPLD firmware file exists in the specified path;
and the system starting module is used for starting the system after the firmware of the target CPLD is successfully upgraded.
A CPLD firmware upgrade apparatus, comprising:
a memory for storing a computer program;
and the processor is used for realizing the steps of the CPLD firmware upgrading method when executing the computer program.
A readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the above-mentioned CPLD firmware upgrade method.
By applying the method provided by the embodiment of the invention, before the system is started, the BIOS monitors the CPLD firmware update switch; after detecting that the CPLD firmware update switch outputs a starting signal, detecting whether a CPLD firmware file exists under a specified path; if yes, firmware upgrading is carried out on the target CPLD by utilizing a local firmware upgrading program and combining the CPLD firmware file; and starting the system after successfully upgrading the firmware of the target CPLD.
In the method, before starting the system, the BIOS can monitor the CPLD firmware update switch, and after the CPLD firmware update switch outputs a starting signal, whether a CPLD firmware file exists in a specified path can be detected. If the firmware exists, the firmware of the target CPLD can be upgraded by directly utilizing the local firmware upgrading program and combining the CPLD firmware file. And when the target CPLD firmware is successfully upgraded, the system can be normally started. Therefore, in the method, the CPLD firmware can be updated without a third-party burning tool, burning software and professionals, the CPLD firmware can be directly updated by the machine, and the firmware updating efficiency of the CPLD is improved.
Accordingly, embodiments of the present invention further provide a CPLD firmware upgrading apparatus, a device, and a readable storage medium corresponding to the CPLD firmware upgrading method, which have the above technical effects and are not described herein again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart illustrating an implementation of a CPLD firmware upgrading method according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a specific application flow of a CPLD firmware upgrading method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a CPLD firmware upgrading device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a CPLD firmware upgrading device according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, fig. 1 is a flowchart illustrating a CPLD firmware upgrading method according to an embodiment of the present invention, where the method includes the following steps:
s101, before starting the system, the BIOS monitors a CPLD firmware update switch.
The bios (basic Input Output system), i.e., the basic Input Output system, is firmware that runs hardware initialization at the power-on boot stage and provides runtime services for the operating system and programs. The specific BIOS is a set of programs that are fixed to a ROM chip on the motherboard inside the computer, and its main function is to provide the lowest level, most direct hardware setup and control for the computer.
The setting interface of the BIOS is provided with a CPLD firmware updating switch; the CPLD firmware updating switch outputs a starting signal under the opening operation of a user. Specifically, a CPLD firmware update switch may be added to a BIOS Setup interface (a setting interface of the BIOS) in advance, and an open or closed state of the switch may be controlled by a user.
Before starting the system, specifically, during the power-on boot phase, the BIOS monitors the CPLD firmware update switch.
S102, detecting whether a CPLD firmware file exists in the specified path or not after detecting that the CPLD firmware update switch outputs a starting signal.
When the user needs to update the CPLD firmware, the CPLD firmware update switch in the BIOS Setup interface can be operated to output a start signal.
Preferably, in order to avoid repeatedly checking the output turn-on signal of the CPLD firmware update switch, which causes continuous detection of whether the CPLD firmware update file exists, after detecting that the output turn-on signal of the CPLD firmware update switch, the CPLD firmware update switch may be reset to the off state. Therefore, repeated checking and repeated updating are avoided.
After detecting the opening signal output by the CPLD firmware updating switch, the BIOS can detect whether the CPLD firmware file exists in the specified path. The CPLD firmware file is used for updating the CPLD firmware.
The storage process of the CPLD firmware file comprises the following steps:
step one, acquiring a CPLD firmware file from external equipment;
and step two, storing the CPLD firmware file in a specified path which can be accessed by the BIOS.
For convenience of description, the above two steps will be described in combination.
The external device may be a readable storage medium such as a hard disk, a flash disk, or other device with CPLD firmware files and communication capability.
And after acquiring the CPLD firmware file from the external equipment, storing the CPLD firmware file in a specified path which can be accessed by the BIOS. Therefore, before starting the system, when the CPLD firmware update switch is detected to output a starting signal, the BIOS can access the specified path to detect the CPLD firmware file.
And then determining the subsequent execution step according to the detection result. Specifically, if the detection result is yes, the operation of step S103 is performed; if the detection result is no, the operation of step S105, i.e., directly starting the system, may be performed. That is, when the CPLD firmware file is not detected in the designated path, it is described that there is no condition for substantially upgrading the CPLD, and therefore the state change of the CPLD firmware update switch at this time can be ignored, and the system can be directly started.
And S103, upgrading the firmware of the target CPLD by using the local firmware upgrading program and combining the CPLD firmware file.
The local firmware upgrading program can update the existing CPLD firmware version to the version corresponding to the CPLD firmware file based on the CPLD firmware file. For example, the local firmware upgrade program may replace the original firmware file corresponding to the target CPLD with a CPLD firmware file under the specified path; or the original firmware file corresponding to the target CPLD is modified based on the CPLD firmware file under the specified path so as to achieve the purpose of upgrading.
The target CPLD may be specifically a CPLD specified in the CPLD firmware file.
And S104, after the firmware of the target CPLD is successfully upgraded, starting the system.
After the firmware of the target CPLD is successfully upgraded, the system may be started.
Preferably, the CPLD firmware file used in the upgrade is prevented from causing interference, such as repeated updating, when the system is started next time. After the firmware of the target CPLD is successfully upgraded, the CPLD firmware file under the specified path can be cleared.
Preferably, in order to facilitate the user to know the version information of the current target CPLD, the version information of the CPLD firmware file may be displayed before the BIOS monitors the CPLD firmware update switch. Thus, the user can determine whether to perform the version upgrade by reading the version information, and the CPLD firmware update switch is controlled to perform the firmware upgrade.
By applying the method provided by the embodiment of the invention, before the system is started, the BIOS monitors the CPLD firmware update switch; after detecting that the CPLD firmware update switch outputs a starting signal, detecting whether a CPLD firmware file exists under a specified path; if yes, firmware upgrading is carried out on the target CPLD by utilizing a local firmware upgrading program and combining the CPLD firmware file; and starting the system after successfully upgrading the firmware of the target CPLD.
In the method, before starting the system, the BIOS can monitor the CPLD firmware update switch, and after the CPLD firmware update switch outputs a starting signal, whether a CPLD firmware file exists in a specified path can be detected. If the firmware exists, the firmware of the target CPLD can be upgraded by directly utilizing the local firmware upgrading program and combining the CPLD firmware file. And when the target CPLD firmware is successfully upgraded, the system can be normally started. Therefore, in the method, the CPLD firmware can be updated without a third-party burning tool, burning software and professionals, the CPLD firmware can be directly updated by the machine, and the firmware updating efficiency of the CPLD is improved.
In order to better understand the CPLD firmware upgrading method provided by the embodiment of the present invention, the CPLD firmware upgrading method is described in detail below with reference to a specific application scenario as an example.
Firstly, a CPLD firmware update switch is added on a BIOS Setup interface. The CPLD firmware update switches are all controllable by a user, and the reset state (initial state) of the switches is a closed state, i.e., no open signal is output to the outside.
A CPLD firmware updating program (or called tool) is integrated in the BIOS firmware and used for updating the CPLD firmware based on the CPLD firmware file.
A special file path (i.e., a designated path) is also required under the system for storing CPLD firmware.
When the update is needed, the user can copy the new version file (i.e. the CPLD firmware file) to the special path, and delete the CPLD firmware file under the special path after the update is completed.
Fig. 2 shows an updating process, and fig. 2 is a schematic diagram of a specific application flow of the CPLD firmware upgrading method according to an embodiment of the present invention.
The BIOS resets the CPLD firmware version reading switch and the CPLD firmware updating switch at first, then the BIOS detects the CPLD firmware version reading switch and the CPLD firmware updating switch, and when the CPLD firmware updating switch is detected to be closed, the system can be normally started; when the CPLD firmware update switch is detected to be turned on, the CPLD firmware update switch can be reset to be turned off. And then detecting whether the CPLD firmware file exists under the specified path. If not, the system may be started normally. If the CPLD firmware updating program exists, the CPLD updating program and the CPLD firmware file are called to update the CPLD firmware, and after the updating is finished, the resetting state is returned.
Therefore, the method can solve the problem that the updating of the CPLD firmware is limited by equipment and personnel, and optimize the test flow; the problem that a user cannot update the CPLD firmware is solved, and the performance of the product can be better improved.
Example two:
corresponding to the above method embodiment, the embodiment of the present invention further provides a CPLD firmware upgrading device, and the CPLD firmware upgrading device described below and the CPLD firmware upgrading method described above may be referred to correspondingly.
Referring to fig. 3, the apparatus includes the following modules:
the switch monitoring module 101 is used for monitoring the update switch of the CPLD firmware by the BIOS before starting the system;
the file detection module 102 is configured to detect whether a CPLD firmware file exists in an assigned path after detecting that the CPLD firmware update switch outputs a start signal;
the upgrading processing module 103 is configured to, if the CPLD firmware file exists in the designated path, upgrade the firmware of the target CPLD by using the local firmware upgrading program and combining the CPLD firmware file;
and the system starting module 104 is configured to start the system after the firmware of the target CPLD is successfully upgraded.
By applying the device provided by the embodiment of the invention, before the system is started, the BIOS monitors the CPLD firmware update switch; after detecting that the CPLD firmware update switch outputs a starting signal, detecting whether a CPLD firmware file exists under a specified path; if yes, firmware upgrading is carried out on the target CPLD by utilizing a local firmware upgrading program and combining the CPLD firmware file; and starting the system after successfully upgrading the firmware of the target CPLD.
In the device, before starting the system, the BIOS can monitor the CPLD firmware update switch, and after the CPLD firmware update switch outputs a starting signal, whether a CPLD firmware file exists in a specified path can be detected. If the firmware exists, the firmware of the target CPLD can be upgraded by directly utilizing the local firmware upgrading program and combining the CPLD firmware file. And when the target CPLD firmware is successfully upgraded, the system can be normally started. Therefore, in the device, the CPLD firmware can be updated without a third-party burning tool, burning software and professionals, the CPLD firmware can be directly updated by the device, and the firmware updating efficiency of the CPLD is improved.
In one embodiment of the present invention, the method further comprises:
and the file cleaning module is used for cleaning the CPLD firmware file under the specified path after the firmware of the target CPLD is successfully upgraded.
In one embodiment of the present invention, the setting interface of the BIOS has a CPLD firmware update switch; the CPLD firmware updating switch outputs a starting signal under the opening operation of a user.
In a specific embodiment of the present invention, the file storage module is configured to obtain a CPLD firmware file from an external device; and storing the CPLD firmware file under a specified path which can be accessed by the BIOS.
In an embodiment of the present invention, the system startup module 104 is specifically configured to start the system when the CPLD firmware file is not detected under the specified path.
In one embodiment of the present invention, the method further comprises:
and the switch state management module is used for resetting the CPLD firmware update switch to a closed state after detecting that the CPLD firmware update switch outputs a starting signal.
In one embodiment of the present invention, the method further comprises:
and the version information display module is used for displaying the version information of the CPLD firmware file before the BIOS monitors the CPLD firmware update switch.
Example three:
corresponding to the above method embodiment, the embodiment of the present invention further provides a CPLD firmware upgrading device, and a CPLD firmware upgrading device described below and a CPLD firmware upgrading method described above may be referred to correspondingly.
Referring to fig. 4, the CPLD firmware upgrade apparatus includes:
a memory D1 for storing computer programs;
and the processor D2 is configured to implement the steps of the CPLD firmware upgrading method of the above method embodiment when executing the computer program.
The steps in the above-described CPLD firmware upgrading method may be implemented by the structure of a CPLD firmware upgrading device. The CPLD firmware upgrade device may be embodied as a BIOS.
Example four:
corresponding to the above method embodiment, the embodiment of the present invention further provides a readable storage medium, and a readable storage medium described below and a CPLD firmware upgrade method described above may be referred to correspondingly.
A readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the CPLD firmware upgrading method of the above method embodiment.
The readable storage medium may be a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and various other readable storage media capable of storing program codes.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
Claims (10)
1. A CPLD firmware upgrading method is characterized by comprising the following steps:
before starting the system, the BIOS monitors a CPLD firmware update switch;
after detecting that the CPLD firmware updating switch outputs a starting signal, detecting whether a CPLD firmware file exists under a specified path;
if yes, firmware upgrading is carried out on the target CPLD by utilizing a local firmware upgrading program and combining the CPLD firmware file;
and starting the system after successfully upgrading the firmware of the target CPLD.
2. The CPLD firmware upgrade method according to claim 1, further comprising, after successfully upgrading the firmware of the target CPLD:
and clearing the CPLD firmware file under the specified path.
3. The CPLD firmware upgrade method according to claim 1, wherein the setting interface of the BIOS has the CPLD firmware upgrade switch; and the CPLD firmware updating switch outputs the starting signal under the opening operation of a user.
4. The CPLD firmware upgrading method according to claim 1, wherein the storing process of the CPLD firmware file includes:
acquiring the CPLD firmware file from external equipment;
and storing the CPLD firmware file under the specified path which can be accessed by the BIOS.
5. The CPLD firmware upgrade method according to claim 1, wherein when the CPLD firmware file is not detected under the specified path, the method includes:
the system is started.
6. The CPLD firmware upgrading method according to claim 1, further comprising, after detecting that the CPLD firmware update switch outputs an on signal:
and resetting the CPLD firmware updating switch to be in an off state.
7. The CPLD firmware upgrade method according to any one of claims 1 to 6, further comprising, before the BIOS monitors the CPLD firmware update switch:
and displaying the version information of the CPLD firmware file.
8. A CPLD firmware upgrade device, comprising:
the switch monitoring module is used for monitoring the CPLD firmware update switch by the BIOS before starting the system;
the file detection module is used for detecting whether a CPLD firmware file exists under a specified path or not after detecting that the CPLD firmware update switch outputs a starting signal;
the upgrading processing module is used for upgrading the firmware of the target CPLD by utilizing a local firmware upgrading program and combining the CPLD firmware file if the CPLD firmware file exists in the specified path;
and the system starting module is used for starting the system after the firmware of the target CPLD is successfully upgraded.
9. A CPLD firmware upgrade apparatus, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the CPLD firmware upgrade method according to any one of claims 1 to 7 when executing the computer program.
10. A readable storage medium, characterized in that the readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the CPLD firmware upgrade method according to any one of claims 1 to 7.
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| CN202010121447.XA CN111309358A (en) | 2020-02-26 | 2020-02-26 | CPLD (Complex programmable logic device) firmware upgrading method, device, equipment and readable storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113377409A (en) * | 2021-06-21 | 2021-09-10 | 西安超越申泰信息科技有限公司 | Method, equipment and storage medium for stabilizing BIOS update |
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| CN107402772A (en) * | 2016-05-18 | 2017-11-28 | 深圳市祈飞科技有限公司 | A kind of method of upgrading BIOS |
| CN109408097A (en) * | 2018-12-11 | 2019-03-01 | 深圳市英威腾电气股份有限公司 | A kind of firmware upgrade method, device, system and a kind of electronic equipment |
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2020
- 2020-02-26 CN CN202010121447.XA patent/CN111309358A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402772A (en) * | 2016-05-18 | 2017-11-28 | 深圳市祈飞科技有限公司 | A kind of method of upgrading BIOS |
| CN109408097A (en) * | 2018-12-11 | 2019-03-01 | 深圳市英威腾电气股份有限公司 | A kind of firmware upgrade method, device, system and a kind of electronic equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113377409A (en) * | 2021-06-21 | 2021-09-10 | 西安超越申泰信息科技有限公司 | Method, equipment and storage medium for stabilizing BIOS update |
| CN113377409B (en) * | 2021-06-21 | 2024-03-01 | 超越科技股份有限公司 | Method, equipment and storage medium for stabilizing BIOS updating |
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