CN108304202B - Multi-meter firmware upgrading method and device based on bus - Google Patents
Multi-meter firmware upgrading method and device based on bus Download PDFInfo
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Abstract
The invention provides a multi-meter firmware upgrading method based on a bus, which comprises the following steps: establishing communication connection, detecting the communication connection, setting the type of the instrument, upgrading the firmware of the multiple instruments, and establishing the communication connection between the control equipment and the multiple instruments through a communication bus; detecting the communication connection between the control equipment and a plurality of meters, and setting the model information of the meter to be upgraded by the firmware when the communication connection is successful; the control equipment sequentially sends the firmware upgrading programs to the instruments corresponding to the model information through the communication bus, the instruments corresponding to the model information write the firmware upgrading programs into the nonvolatile memory, and the instruments corresponding to the model information are restarted; the invention relates to a multi-meter firmware upgrading device based on a bus; the invention can carry out one-key firmware upgrade on a plurality of instruments of the same type on the bus and support the secondary upgrade of the instrument with failed firmware upgrade.
Description
Technical Field
The invention relates to the technical field of instrument firmware upgrading, in particular to a multi-instrument firmware upgrading method and device based on a bus.
Background
At present, firmware upgrading can be carried out on one instrument only once through a super terminal, and one-key firmware upgrading on a plurality of instruments of the same type can not be realized at one time; when the firmware is upgraded, each instrument needs to be reconnected with the RS485 bus, some field instruments are scattered in different floors, each time the instrument needs to be upgraded, a worker needs to look up the model and the address of each instrument on each floor and judge whether each instrument needs to be upgraded, the manual workload is too large, particularly, in the process of upgrading the firmware of some instruments, the upgrade signal needs to be sent to the instrument within 3 seconds after the instrument is electrified, and the field personnel are difficult to finish in the limited field environment.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a multi-meter firmware upgrading method based on a bus, which can upgrade a plurality of meters of the same model on the bus and support upgrading the meter with failed firmware upgrade again.
The invention provides a multi-meter firmware upgrading method based on a bus, which comprises the following steps:
establishing communication connection, namely establishing communication connection between the control equipment and the instruments through a communication bus;
detecting communication connection, namely detecting the communication connection between the control equipment and the plurality of meters, and jumping to the step of setting the model of the meter when the communication connection is successful;
setting a meter model, and setting model information of a meter to be upgraded by firmware;
and the control equipment sequentially sends firmware upgrading programs to the instruments corresponding to the model information through the communication bus, and the instruments corresponding to the model information write the firmware upgrading programs into the nonvolatile memory and restart the instruments corresponding to the model information.
Further, after the multi-meter firmware is upgraded, the method also comprises the step of detecting an upgrade result, the control device detects the current version number of the meter corresponding to the model information, and if the current version number is a target version number, the meter corresponding to the model information is upgraded successfully; and if the current version number is not the target version number, the upgrading of the instrument corresponding to the model information fails.
Further, the method comprises the steps of reading a meter calibration coefficient and comparing the meter calibration coefficient, wherein the reading of the meter calibration coefficient comprises reading a meter calibration coefficient before firmware upgrading of the meter corresponding to the model information and a meter calibration coefficient after firmware upgrading, and the comparing of the meter calibration coefficient in the step comprises comparing the meter calibration coefficient before firmware upgrading with the meter calibration coefficient after firmware upgrading to determine whether the meter corresponding to the model information can be normally used.
Further, the method also comprises the following steps of firmware upgrading again: if the instrument corresponding to the model information fails to be upgraded, the control equipment sends the firmware upgrading program to the instrument which fails to be upgraded again through the communication bus, and the instrument which fails to be upgraded writes the firmware upgrading program into the nonvolatile memory and restarts the instrument.
Further, the method also comprises the following steps of setting an address range: setting an address query range of a meter to be upgraded, wherein the multi-meter firmware upgrade also comprises the step that the control equipment queries the meter corresponding to the model information in the address query range to obtain the meter to be upgraded, sequentially sending a firmware upgrade program to the meter to be upgraded through the communication bus, and writing the firmware upgrade program into a nonvolatile memory by the meter to be upgraded and restarting the meter.
The utility model provides a many instruments firmware upgrading device based on bus, includes controlgear, a plurality of instrument, communication bus, power module, controlgear sets up module, display module, firmware upgrading module including connecting detection module, model, the instrument includes nonvolatile memory, control module passes through communication bus and a plurality of the instrument is connected, power module with controlgear and a plurality of the instrument is connected, power module does controlgear and a plurality of the instrument provides the power, it is used for detecting to connect detection module controlgear and a plurality of the communication connection of instrument, the model sets up the module and is used for setting up the model information of treating firmware upgrading instrument, firmware upgrading module still includes the procedure download submodule piece, the procedure download submodule piece is used for downloading firmware upgrading procedure, the firmware upgrading module passes through communication bus sends the firmware upgrading procedure to in proper order the model information is to the firmware upgrading procedure And the corresponding instrument writes the firmware upgrading program into the nonvolatile memory, and the display module displays the model information and the upgrading result.
Further, the control device further comprises a result detection module, and the result detection module detects the current version number of the instrument corresponding to the model information.
Furthermore, the control device further comprises a meter calibration module, and the meter calibration module reads a meter calibration coefficient before firmware upgrade and a meter calibration coefficient after firmware upgrade of the meter corresponding to the model information, and compares the meter calibration coefficient before firmware upgrade with the meter calibration coefficient after firmware upgrade.
Furthermore, the control device further comprises an address setting module, the address setting module is used for setting an address query range of the instrument to be upgraded, and the control device queries the instrument corresponding to the model information within the address query range.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a multi-meter firmware upgrading method based on a bus, which comprises the following steps: establishing communication connection, detecting the communication connection, setting the type of the instrument, upgrading the firmware of the multiple instruments, and establishing the communication connection between the control equipment and the multiple instruments through a communication bus; detecting the communication connection between the control equipment and a plurality of meters, and setting the model information of the meter to be upgraded by the firmware when the communication connection is successful; the control equipment sequentially sends the firmware upgrading programs to the instruments corresponding to the model information through the communication bus, the instruments corresponding to the model information write the firmware upgrading programs into the nonvolatile memory, and the instruments corresponding to the model information are restarted; the invention relates to a multi-meter firmware upgrading device based on a bus; the invention can upgrade the firmware of a plurality of meters with the same model by one key, and support the upgrading of the meter with the failed firmware upgrade, solves the problem that the firmware of each meter needs to be reconnected with the communication bus when upgrading the firmware in the prior art, and enables the control equipment to quickly find the meter needing to be upgraded by setting the model and the address query range of the meter, thereby improving the search efficiency.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow chart of a bus-based multi-meter firmware upgrade method of the present invention;
FIG. 2 is a flowchart of a firmware upgrade of the present invention;
FIG. 3 is a schematic structural diagram of a multi-meter firmware upgrading device based on a bus according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
A bus-based multi-meter firmware upgrade method, as shown in fig. 1, includes the following steps:
and establishing communication connection, namely establishing communication connection between the control equipment and the plurality of meters through a communication bus to form a communication network.
Detecting communication connection, detecting communication connection between the control equipment and the instruments, jumping to the step for setting the instrument model when the communication connection is successful, displaying prompt information on a display screen of the control equipment when the connection is failed, and processing the problem on site by a worker until the instrument is successfully connected with the control equipment.
The method comprises the steps of setting a meter model, setting model information of a meter to be upgraded, and upgrading a plurality of meter firmware of the same model by control equipment in the embodiment.
In one embodiment, preferably, the method further comprises the step of setting an address range: the address query range of the instrument to be upgraded by the firmware is set, if the address of the instrument of the model connected to the bus is determined, the control equipment can conveniently and efficiently find the instrument of the model by setting the address query range, and the addresses of all instruments on the bus do not need to be traversed.
Updating the firmware of the multiple meters, wherein the number of the meters in the same model is possibly multiple, the control equipment sequentially sends the firmware updating program to the meters corresponding to the model information through the communication bus, the meters corresponding to the model information write the firmware updating program into the nonvolatile memory, and restart the meters corresponding to the model information, after the current meter firmware is updated, the next meter in the model is selected, the firmware of the next meter in the model is updated, the process is circulated until the firmware of all the meters in the model on the bus is updated, preferably, the multi-meter firmware updating step further comprises the steps that the control equipment inquires the meters corresponding to the model information in the address inquiry range to obtain the meters to be updated, the firmware updating program is sequentially sent to the meters to be updated through the communication bus, and the meters to be updated write the updating firmware into the nonvolatile memory, and the meter is restarted.
In an embodiment, preferably, after the multi-meter firmware is upgraded, the method further includes the steps of detecting an upgrade result, and detecting, by the control device, a current version number of the meter corresponding to the model information, wherein if the current version number is a target version number, the meter corresponding to the model information is upgraded successfully; and if the current version number is not the target version number, the upgrading of the instrument corresponding to the model information fails.
In an embodiment, preferably, after the step of detecting the upgrade result, the method further includes the steps of reading a meter calibration coefficient and comparing the meter calibration coefficient, wherein reading the meter calibration coefficient includes reading a meter calibration coefficient before the firmware upgrade of the meter corresponding to the model information and a meter calibration coefficient after the firmware upgrade, and comparing the meter calibration coefficient includes comparing the meter calibration coefficient before the firmware upgrade with the meter calibration coefficient after the firmware upgrade, and determining whether the meter corresponding to the model information can be normally used, and if the meter calibration coefficient before the firmware upgrade is matched with the meter calibration coefficient after the firmware upgrade, the meter can be normally used; if the meter calibration coefficient before the firmware is upgraded is not matched with the meter calibration coefficient after the firmware is upgraded, the meter cannot be normally used, the display screen of the control equipment displays the unmatched information of the meter calibration coefficient, and a worker inquires the reason why the meter cannot be normally used.
As shown in fig. 2, it is preferable to further include a firmware upgrade: if the instrument corresponding to the model information fails to be upgraded, the instrument and the control equipment are reestablished to be connected, whether the connection is successful or not is detected, when the connection is successful, the control equipment sends the firmware upgrading program to the instrument which fails to be upgraded again through the communication bus, the instrument which fails to be upgraded writes the firmware upgrading program into the nonvolatile memory, and the instrument is restarted.
A multi-meter firmware upgrading device based on a bus is disclosed, as shown in figure 3, comprising a control device, a plurality of meters, a communication bus and a power supply module, wherein the control device comprises a connection detection module, a model setting module, a display module and a firmware upgrading module, the meters comprise nonvolatile memories, the control module is connected with an interface converter through the communication bus, the interface converter is connected with the plurality of meters, in the embodiment, the meters are connected to the interface converter through conversion interfaces, so that the problem that the meters can not be hung on the bus is solved, the communication bus is an RS485 bus, the control module is connected with the RS485 converter through the RS485 bus, the RS485 converter is connected with the plurality of meters, the RS485 converter is connected with the meters through expansion interfaces, so that the problem that the RS485 bus can only hang limited meters is solved, the power supply module is connected with the control device and the plurality of meters, and the power supply is provided for the control device and the plurality of meters, the connection detection module detects communication connection between the control equipment and the instruments, the model setting module sets model information of the instruments to be upgraded, the firmware upgrading module further comprises a program downloading submodule, the program downloading submodule downloads a firmware upgrading program from a network, a local memory and an external expansion memory, the firmware upgrading module sequentially sends the firmware upgrading program to the instruments corresponding to the model information through a communication bus, the instruments corresponding to the model information write the firmware upgrading program into a nonvolatile memory, and the display module displays the model information and an upgrading result.
In an embodiment, preferably, the control device further includes a result detection module, where the result detection module detects a current version number of the instrument corresponding to the model information, and if the current version number is a target version number, the instrument corresponding to the model information is upgraded successfully; and if the current version number is not the target version number, the upgrading of the instrument corresponding to the model information fails.
In an embodiment, preferably, the control device further includes a meter calibrating module, the meter calibrating module reads a meter calibrating coefficient before firmware upgrade and a meter calibrating coefficient after firmware upgrade of the meter corresponding to the model information, compares the meter calibrating coefficient before firmware upgrade and the meter calibrating coefficient after firmware upgrade, and determines whether the meter corresponding to the model information can be normally used, and if the meter calibrating coefficient before firmware upgrade is matched with the meter calibrating coefficient after firmware upgrade, the meter can be normally used; if the meter calibration coefficient before the firmware is upgraded is not matched with the meter calibration coefficient after the firmware is upgraded, the meter cannot be normally used, the display screen of the control equipment displays the unmatched information of the meter calibration coefficient, and a worker inquires the reason why the meter cannot be normally used.
In an embodiment, preferably, the control device further includes an address setting module, where the address setting module is configured to set an address query range of the meter to be upgraded, the control device queries the meter corresponding to the model information within the address query range to obtain the meter to be upgraded, the firmware upgrade programs are sequentially sent to the meter to be upgraded through the communication bus, and the meter to be upgraded writes the firmware upgrade programs into the nonvolatile memory and restarts the meter.
The invention provides a multi-meter firmware upgrading method based on a bus, which comprises the following steps: establishing communication connection, detecting the communication connection, setting the type of the instrument, upgrading the firmware of the multiple instruments, and establishing the communication connection between the control equipment and the multiple instruments through a communication bus; detecting the communication connection between the control equipment and a plurality of meters, and setting the model information of the meter to be upgraded by the firmware when the communication connection is successful; the control equipment sequentially sends the firmware upgrading programs to the instruments corresponding to the model information through the communication bus, the instruments corresponding to the model information write the firmware upgrading programs into the nonvolatile memory, and the instruments corresponding to the model information are restarted; the invention relates to a multi-meter firmware upgrading device based on a bus; the invention can upgrade the firmware of a plurality of meters with the same model by one key, and support the upgrading of the meter with the failed firmware upgrade, solves the problem that the firmware of each meter needs to be reconnected with the communication bus when upgrading the firmware in the prior art, and enables the control equipment to quickly find the meter needing to be upgraded by setting the model and the address query range of the meter, thereby improving the search efficiency.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (5)
1. A multi-meter firmware upgrading method based on a bus is characterized by comprising the following steps:
establishing communication connection, namely establishing communication connection between the control equipment and the instruments through a communication bus;
detecting communication connection, namely detecting the communication connection between the control equipment and the plurality of meters, and jumping to the step of setting the model of the meter when the communication connection is successful;
setting a meter model, and setting model information of a meter to be upgraded by firmware;
the control equipment sequentially sends firmware upgrading programs to the instruments corresponding to the model information through the communication bus, the instruments corresponding to the model information write the firmware upgrading programs into a nonvolatile memory, and the instruments corresponding to the model information are restarted;
further comprising the steps of setting an address range: setting an address query range of an instrument to be upgraded by the multi-instrument firmware, wherein the multi-instrument firmware upgrading further comprises the step that the control equipment queries the instrument corresponding to the model information in the address query range to obtain the instrument to be upgraded by the firmware, sequentially sending firmware upgrading programs to the instrument to be upgraded by the communication bus, writing the firmware upgrading programs into a nonvolatile memory by the instrument to be upgraded, and restarting the instrument;
after the multi-meter firmware is upgraded, detecting an upgrade result, detecting the current version number of the meter corresponding to the model information by the control equipment, and if the current version number is a target version number, successfully upgrading the meter corresponding to the model information; and if the current version number is not the target version number, the upgrading of the instrument corresponding to the model information fails.
2. The bus-based multi-meter firmware upgrading method according to claim 1, further comprising the steps of reading a meter correcting coefficient and comparing the meter correcting coefficient, wherein the reading of the meter correcting coefficient comprises reading a meter correcting coefficient before firmware upgrading of a meter corresponding to the model information and a meter correcting coefficient after firmware upgrading, and the comparing of the meter correcting coefficient comprises comparing the meter correcting coefficient before firmware upgrading with the meter correcting coefficient after firmware upgrading to determine whether the meter corresponding to the model information can be normally used.
3. The bus-based multi-meter firmware upgrade method according to claim 1, further comprising a further firmware upgrade: if the instrument corresponding to the model information fails to be upgraded, the control equipment sends the firmware upgrading program to the instrument which fails to be upgraded again through the communication bus, and the instrument which fails to be upgraded writes the firmware upgrading program into the nonvolatile memory and restarts the instrument.
4. The utility model provides a many meters firmware upgrading device based on bus which characterized in that: the control device comprises a connection detection module, a model setting module, a display module and a firmware upgrading module, the meters comprise nonvolatile memories, the control device is connected with a plurality of meters through the communication bus, the power module is connected with the control device and the meters, the power module supplies power to the control device and the meters, the connection detection module is used for detecting the communication connection between the control device and the meters, the model setting module is used for setting the model information of the meters to be upgraded, the firmware upgrading module further comprises a program downloading submodule used for downloading the firmware upgrading program, and the firmware upgrading module sequentially sends the firmware upgrading program to the meters corresponding to the model information through the communication bus, the instrument corresponding to the model information writes the firmware upgrading program into the nonvolatile memory, and the display module displays the model information and the upgrading result; the control equipment also comprises an address setting module, wherein the address setting module is used for setting an address query range of the instrument to be upgraded by the firmware, and the control equipment queries the instrument corresponding to the model information in the address query range; the control equipment further comprises a result detection module, and the result detection module detects the current version number of the instrument corresponding to the model information.
5. A bus-based multi-meter firmware upgrade apparatus according to claim 4, wherein: the control equipment further comprises a meter calibration module, and the meter calibration module reads a meter calibration coefficient before firmware upgrading and a meter calibration coefficient after firmware upgrading of the meter corresponding to the model information and compares the meter calibration coefficient before firmware upgrading with the meter calibration coefficient after firmware upgrading.
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