CN111127871B - Dial locking method - Google Patents
Dial locking method Download PDFInfo
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- CN111127871B CN111127871B CN201911354997.XA CN201911354997A CN111127871B CN 111127871 B CN111127871 B CN 111127871B CN 201911354997 A CN201911354997 A CN 201911354997A CN 111127871 B CN111127871 B CN 111127871B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 53
- 230000008569 process Effects 0.000 claims description 11
- 230000000977 initiatory effect Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 4
- 206010033799 Paralysis Diseases 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
Abstract
The invention discloses a dial locking method, which comprises an address code reading thread and a dial state reading thread, wherein the address code reading thread is used for reading an address code on a control panel and the dial state reading thread is used for judging whether the current dial is allowed to be read, and the dial address reading and the dial state are mutually related, so that even if a switch of a certain bit of a dial is in a problem, the addressing can be normally realized without influencing the system work; on the basis of the existing dial addressing, the read address code of the corresponding control panel is locked by combining the function of realizing address code locking by utilizing programs installed in the control panel and the display screen, so that the address code is prevented from being input by mistake due to misoperation or other reasons, and equipment failure and system paralysis caused by the error in reading the address code due to various reasons are effectively avoided; the dial switch realizes high-reliability use of dial of equipment, and communication faults caused by failure of the dial switch due to transportation, aging and the like are avoided to the maximum extent.
Description
Technical Field
The invention relates to the field of electronic communication, in particular to a dial locking method.
Background
With the progress of technology, intelligent products are widely applied to various aspects of society, and a dial switch is a common position-finding address switch adopting 0/1 binary coding and is often applied to various systematic intelligent products. The common intelligent products generally complete the control of the tasks executed by the control panel and the display screen together, and the control panel and the display screen are connected and communicated in a 485 communication mode. The control panel mainly completes direct control of the equipment main body, and a main body control system of an intelligent product can be formed by the mutual cooperation of a plurality of control panels; the display screen is mainly used for finishing man-machine interaction work with a user. The dial switch is typically located above the control panel to assist in addressing the control panel by the display screen. Therefore, the reliability of the dial switch becomes a foundation and a key node for building an intelligent system.
At present, a dial switch is mainly welded on a control board in a reflow soldering or wave soldering mode, but the processing temperature required by the fixing mode of the dial switch is higher, so that the internal aging and failure of the dial switch are easily caused. In addition, handling, shipping, and natural aging over time can cause the dip switch to fail. The failure of the dial switch can further cause the whole system to be in a breakdown state, and the situation can be solved only by replacing the control board on the engineering site, so that the time, the cost, the difficulty and the uncertainty of after-sale maintenance are greatly increased.
As shown in fig. 1, the conventional method for using a dialer is as follows: 101, the control board starts to read the current dial indicator address → 102, the control board initiates communication with the read dial indicator address → 103, detects whether the communication is normal → 104, if the communication is abnormal, sends out error information, the system stops working → 105, if the communication is normal, the system performs the next working → the dial reading is finished. When the dialer fails and the control panel cannot read the dialer dialing address, the system directly reports the error and cannot work. The reason that the problem of dialing faults cannot be effectively solved by the existing equipment is that no dialing state monitoring mechanism exists in software inside the equipment, and once a dialer has a one-bit switch, the whole system stops working, so that the system stability is poor.
Therefore, it is important to find a method for stable and reliable use of the dial switch.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a dial locking method which ensures the long-term stable and reliable use of a dial switch.
In order to achieve the purpose, the invention adopts the technical scheme that:
a dial locking method comprises an address code reading thread and a dial state reading thread, wherein the address code reading thread is used for reading an address code on a control board and the dial state reading thread is used for judging whether to allow reading of the current dial, and the address code reading thread also comprises a flag bit used for related intermediate data communication to realize communication;
the flag bit includes: the control board is provided with an address code reading permission flag bit, setting indicates that the address code input by the current dial is permitted to be read, and setting indicates that the address code input by the current dial is not permitted to be read; a dial reading locking flag bit positioned in the display screen, wherein setting indicates that the state reading of the dial is not locked, and blank indicates that the state reading of the current dial is locked;
the working process of the address code reading thread is as follows:
in the normal use process of the equipment, if the address code reading permission flag bit in the equipment control panel is set, reading the current address code of the dial code as a new address code to carry out external communication, and if the address code reading permission flag bit in the equipment control panel is empty, carrying out external communication by using the address code written into the memory before;
the working process of the dial-up state reading thread is as follows:
in the normal use process of the equipment, judging whether the communication between the display screen and the control panel is normal or not, if the communication is normal and the dial reading locking flag bit in the display screen is detected to be set, then setting the address code reading permission flag bit in the control panel; otherwise, prompting the display to have communication failure and reporting an error;
and the address code reading thread and the dial-up state reading thread are communicated through the address code reading permission zone bit.
Further, the address code reading permission flag bit and the dial reading locking flag bit are both boolean data variables, and include two values 0 or 1, where 1 is set and 0 is null; or 0 is set and 1 is set null.
Further, in the dial state reading thread, setting or clearing the dial reading locking flag bit is completed by dial locking parameters on the display screen.
Further, in the address code reading thread, monitoring of the address code reading permission flag bit is triggered by a power-up of the device.
Further, in the dial-up state reading thread, after the judgment of whether the communication is normal is completed, if the communication is abnormal, the display screen displays a fault and reports an error, and the control panel communication indicator lamp stops flashing.
Further, the working process of the address code reading thread specifically comprises:
step 201: starting an address code reading thread;
step 202: an address code reading thread waits;
step 203: judging whether the equipment is powered on again, if not, returning to the step 202; if the power-up is monitored, entering step 204;
step 204: is the address code read permission flag bit set in the control board? If not, go to step 205; if the address code read permission flag bit is set, go to step 206;
step 205: when the address code reading permission flag in the control board is empty, initiating communication to the outside by using the dial address code written into the control board before, and then entering step 208;
step 206: setting the address code reading permission flag bit, reading a new dial address code which is input on the control board at the present time, and then entering step 207;
step 207: initiating communication with the outside by using the read new address code, and then entering step 208;
step 208: is the control panel automatically determine whether the communication is normal? If so, go to the next step 210, otherwise, indicate the communication failure of the current system, go to step 209;
step 209, the communication indicator light stops flashing, prompts the user of communication failure, and performs after-sales processing;
step 210: the device enters a normal operating state and the thread continues to execute the wait.
Further, the working process of the dial-up state reading thread specifically comprises:
step 211: starting a dial-up state reading thread;
step 212: is the display screen automatically judged whether the communication is normal? If yes, go to step 214, otherwise go to step 213;
step 213: displaying communication faults on a display screen and reporting errors to prompt a user to perform after-sale treatment;
step 214: is the display screen dial-up reading lock flag bit determined to be set? Setting the description to unlock, and performing a dial reading operation, and then entering step 216, or entering step 215;
step 215: reading the control board address code and allowing the mark position to be empty, and then continuing waiting by the thread;
step 216: the control board address code read enable flag bit is set, after which the thread continues to wait.
The invention has the beneficial effects that:
the invention relates the dialing address reading and the dialing state through the address code reading thread which is used for reading the address code on the control panel and the dialing state reading thread which is used for judging whether the current dialing is allowed to be read, which work in parallel, so that even if a switch of a certain bit of the dialing is in a problem, the addressing can be normally realized without influencing the system work. On the basis of the existing dial addressing, the function of address code locking is realized by combining and utilizing programs installed in a control board and a display screen, the read address code of the corresponding control board is locked, the address code is prevented from being input by mistake due to misoperation or other reasons, and equipment failure and system paralysis caused by the error in reading the address code due to various reasons are further effectively avoided. The dial switch realizes high-reliability use of dial of equipment, and communication faults caused by failure of the dial switch due to transportation, aging and the like are avoided to the maximum extent.
When the code switch is damaged or fails, normal use of equipment can be realized by a method of locking damaged code shifting bits in a short circuit mode through the address code locking function, high maintainability of the fault equipment code shifting switch is realized, the problems of after-sale cost increase, efficiency reduction and the like caused by failure of the code shifting switch are avoided to the maximum extent, and great convenience is brought to maintenance personnel and users.
Drawings
FIG. 1 is a block diagram of a prior art process for using a dip switch;
FIG. 2 is a block diagram of the internal mechanism flow for handling dial-up lock services in accordance with the present invention;
FIG. 3 is a block diagram of a process for a user entering an address code using a dip switch in general in the present invention;
FIG. 4 is a block diagram of the process of inputting an address code using a dial switch in a special case of the present invention;
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention thereto.
The address code reading thread and the dial-up state reading thread of the invention work simultaneously and in parallel, in order to realize the communication in the two threads, the communication of related data is carried out through a plurality of flag bits with certain functions, the flag bit is a variable in the whole player and is used for controlling the working states of the two threads through the communication between the two threads, for example, a certain flag bit can be defined as a Boolean data variable (boolean), the value of the flag bit can only be True or False, True can be set, False can be set, and True can be set, and fire is empty. Where True and False are relative and may correspond to two values of 0 or 1, where 0 is null when 1 is set; or when 0 is set, 1 is set to null.
In the embodiment of the invention, two flag bits are adopted: the address code read enable flag bit and the dial read lock flag bit are described in detail below.
One embodiment of the present invention, as shown in FIG. 2, comprises the following steps:
step 201: starting an address code reading thread and a dial-up state reading thread, wherein two threads need to be started simultaneously in program implementation, one thread is used for reading an address code, and the other thread is used for monitoring the allowable state of dial-up reading;
the address code read thread is as follows:
step 202: the address code reading thread waits, which means that the thread enters a working state;
step 203: judging whether the equipment is powered on again, if not, returning to the step 202, and if monitoring that the equipment is powered on again, entering the step 204;
step 204: is the address code read permission flag bit set in the control board? If not, go to step 205; if the address code read permission flag bit is set, go to step 206;
step 205: when the address code reading permission flag in the control board is empty, initiating communication to the outside by using the dial address code written into the control board before, and then entering step 208;
step 206: setting the address code reading permission flag bit, reading a new dial address code which is input on the control board at the present time, and then entering step 207;
step 207: initiating communication with the outside by using the read new address code, and then entering step 208;
step 208: is the control panel automatically determine whether the communication is normal? If so, go to the next step 210, otherwise, indicate the communication failure of the current system, go to step 209;
step 209, the communication indicator light stops flashing, prompts the user of communication failure, and performs after-sales processing;
step 210: the device enters a normal operating state and the thread continues to execute the wait.
The dial state read thread is as follows:
step 211: starting a dial-up state reading thread, which means that the thread enters a working state;
step 212: is the display screen automatically judged whether the communication is normal? If yes, go to step 214, otherwise go to step 213;
step 213: displaying communication faults on a display screen and reporting errors to prompt a user to perform after-sale treatment;
step 214: is the display screen dial-up reading lock flag bit determined to be set? Setting the description to unlock, and performing a dial reading operation, and then entering step 216, or entering step 215;
step 215: reading the control board address code and allowing the mark position to be empty, and then continuing waiting by the thread;
step 216: the control board address code read enable flag bit is set, after which the thread continues to wait.
Embodiment 1
Fig. 3 is a flow chart of an embodiment of the present invention from a user perspective.
And step 304, observing whether the communication indicator lamp on the control panel normally flickers and whether the display screen has faults or not, reporting errors and adjusting.
And 305, after confirming that the equipment has no error, opening dial locking parameters of the display screen, and locking the read address code of the corresponding control panel to prevent the address code from being input by mistake due to misoperation or other reasons.
And step 306, realizing normal work of the equipment and completing other debugging matters of the equipment.
Example II
Fig. 4 is a block diagram of a flow chart of another embodiment of the present invention, when an engineering installation or a mobile phone needs to reset an address code of an apparatus and finds that a corresponding dial switch is damaged or fails, a method of shorting and locking a corresponding damaged dial bit can be adopted to realize normal use of the apparatus, thereby greatly improving maintainability of the apparatus. The figure is primarily a flow chart that is implemented from a user perspective.
And step 402, checking the control panel and the dial switch with hardware faults, and locking the failure dial bit.
And 403, temporarily short-circuiting the corresponding code shifting bit with the hardware fault, so that the code shifting switch can temporarily and normally play the address code input role.
And step 404, after all the devices needing to adjust the address codes dial the codes, uniformly powering on again to finish reading the new address codes of different control boards.
And step 406, after the device is confirmed to have no error, the dial locking parameters of the display screen are opened, and the read address code of the corresponding control panel is locked, so that the address code is prevented from being input by mistake due to misoperation or other reasons.
And step 409, completing other necessary debugging and realizing normal work of the equipment.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (5)
1. A dial-up locking method is characterized in that: the system comprises an address code reading thread and a dial state reading thread, wherein the address code reading thread is used for reading an address code on a control board and the dial state reading thread is used for judging whether to allow reading of the current dial code, and the address code reading thread also comprises a zone bit used for related intermediate data communication to realize communication;
the flag bit includes: the control board is provided with an address code reading permission flag bit, setting indicates that the address code input by the current dial is permitted to be read, and setting indicates that the address code input by the current dial is not permitted to be read; a dial reading locking flag bit positioned in the display screen, wherein setting indicates that the state reading of the dial is not locked, and blank indicates that the state reading of the current dial is locked;
the working process of the address code reading thread is as follows:
step 201: starting an address code reading thread;
step 202: an address code reading thread waits;
step 203: judging whether the equipment is powered on again, if not, returning to the step 202; if the power-up is monitored, entering step 204;
step 204: is the address code read permission flag bit set in the control board? If not, go to step 205; if the address code read permission flag bit is set, go to step 206;
step 205: when the address code reading permission flag in the control board is empty, initiating communication to the outside by using the dial address code written into the control board before, and then entering step 208;
step 206: setting the address code reading permission flag bit, reading a new dial address code which is input on the control board at the present time, and then entering step 207;
step 207: initiating communication with the outside by using the read new address code, and then entering step 208;
step 208: is the control panel automatically determine whether the communication is normal? If so, go to the next step 210, otherwise, indicate the communication failure of the current system, go to step 209;
step 209, the communication indicator light stops flashing, prompts the user of communication failure, and performs after-sales processing;
step 210: the equipment enters a normal working state, and the thread continuously executes waiting;
the working process of the dial-up state reading thread is as follows:
step 211: starting a dial-up state reading thread;
step 212: is the display screen automatically judged whether the communication is normal? If yes, go to step 214, otherwise go to step 213;
step 213: displaying communication faults on a display screen and reporting errors to prompt a user to perform after-sale treatment;
step 214: is the display screen dial-up reading lock flag bit determined to be set? Setting the description to unlock, and performing a dial reading operation, and then entering step 216, or entering step 215;
step 215: reading the control board address code and allowing the mark position to be empty, and then continuing waiting by the thread;
step 216: setting the read permission flag bit of the control board address code, and then continuing waiting by the thread;
and the address code reading thread and the dial-up state reading thread are communicated through the address code reading permission zone bit.
2. The dial locking method as in claim 1, wherein: the address code reading permission flag bit and the dial reading locking flag bit are both Boolean type data variables and comprise two values of 0 or 1, wherein 1 is set, and 0 is empty; or 0 is set and 1 is set null.
3. The dial locking method as in claim 1, wherein: in the dial state reading thread, setting or emptying the dial reading locking flag bit is completed by dial locking parameters on the display screen.
4. The dial locking method as in claim 1, wherein: in the address code read thread, monitoring of the address code read enable flag bit is triggered by a device power-up again.
5. The dial locking method as in claim 1, wherein: in the dial-up state reading thread, after the judgment of whether the communication is normal is finished, if the communication is abnormal, the display screen displays a fault and reports an error, and the control panel communication indicator lamp stops flashing.
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| CN201911354997.XA CN111127871B (en) | 2019-12-25 | 2019-12-25 | Dial locking method |
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| CN201911354997.XA CN111127871B (en) | 2019-12-25 | 2019-12-25 | Dial locking method |
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| CN113010343B (en) * | 2021-02-25 | 2023-07-07 | 中车株洲电力机车有限公司 | High-safety equipment coding method and system and train |
| CN113361289B (en) * | 2021-04-28 | 2023-05-30 | 株洲中车时代电气股份有限公司 | Code identification processing method and device for dial switch and code reading circuit |
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| CN101625670A (en) * | 2009-07-30 | 2010-01-13 | 深圳市中联创新自控系统有限公司 | Serial bus device, serial bus transmission system and method |
| CN106057512B (en) * | 2016-07-18 | 2018-12-21 | 中国电子信息产业集团有限公司第六研究所 | A kind of automatically controlled automation toggle switch |
| CN107132799A (en) * | 2017-06-21 | 2017-09-05 | 湖南利能科技股份有限公司 | A kind of apparatus and method of many MCU data interactions intelligent acquisitions |
| US10360748B2 (en) * | 2017-08-14 | 2019-07-23 | Q & K International Group Limited | Method of achieving free-pairing wireless door lock based on DIP switch, a wireless door lock and a communication method for the wireless door lock |
| CN108897577A (en) * | 2018-06-20 | 2018-11-27 | 郑州云海信息技术有限公司 | A kind of server backplane CPLD state self-adaption system and method |
| CN109583032B (en) * | 2018-11-01 | 2022-02-18 | 郑州云海信息技术有限公司 | Back plate end VPP address configuration circuit and design method thereof |
| CN110134116B (en) * | 2019-06-06 | 2020-06-23 | 陕西瑞迅电子信息技术有限公司 | Lock control plate testing method, device and tool |
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| 拨码开关选择加工程序的设计;宋长双， 杨海波， 宗欣;《制造业信息化》;20111231;第89-90页 * |
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Denomination of invention: A Dial Lock Method Effective date of registration: 20221202 Granted publication date: 20201208 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Huzhou Changxing sub branch Pledgor: ZHEJIANG SHIZI NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2022980024435 |
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Granted publication date: 20201208 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Huzhou Changxing sub branch Pledgor: ZHEJIANG SHIZI NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2022980024435 |
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