CN201707918U - Programming system of microcontroller - Google Patents
Programming system of microcontroller Download PDFInfo
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- CN201707918U CN201707918U CN200920291412XU CN200920291412U CN201707918U CN 201707918 U CN201707918 U CN 201707918U CN 200920291412X U CN200920291412X U CN 200920291412XU CN 200920291412 U CN200920291412 U CN 200920291412U CN 201707918 U CN201707918 U CN 201707918U
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Abstract
The utility model relates to a programming system of a microcontroller, which comprises a server end, a client and a programmer, wherein the server end is used for encrypting a data code file and transmitting the encrypted data code file; the client can be remotely connected with the server end and can communicate with the server end; and the programmer can be locally connected with the client, and can be used for receiving and storing the encrypted data code file through the client, encrypting the encrypted data code file and writing the restored data code file into the microcontroller when an allowed programming time valve is more than zero and recording the updated allowed programming time valve obtained by subtracting the allowed programming time valve by one in the programmer after the programming succeeded once. The utility model can allow a user to program per se so as to save the cost, simultaneously control the programming times and prevent the user from illegally copying or unlimitedly programming.
Description
Technical field
The utility model relates to a kind of programing system of microcontroller, especially a kind of can to microcontroller upgrade the programming system.
Background technology
Microcontroller is because cost is more and more lower, and performance from strength to strength, makes that its application is ubiquitous, is widely used in every field such as industry control, consumer electronics, automobile.In Electric Machine Control, bar-code reader/scanner, consumer electronics, game station, phone, HVAC, building safety and gate inhibition's control, Industry Control and robotization and white domestic appliances fields such as (washing machine, micro-wave ovens).
Along with the improvement of product function, often to upgrade to microcontroller, at this moment need the good program of reprogramming, HEX (sexadecimal) program code for example is in the storer of programming in the microcontroller.Existing programming device, as shown in Figure 5, programmable device 50 connects PC 40 and microcontroller (MCU) 60 respectively, earlier the operation PC stores the HEX program code in the storer of programmable device, operate then programmable device with the programming of HEX program code in microcontroller.
From existing programming process as can be seen,, then can not control the bootlegging of user, promptly can produce problem of piracy program if directly give the user programming voluntarily with the HEX program code.Even if the HEX program code encrypted and the programming number of times limited and send the user again to, after the user also can reach higher limit at the programming number of times of HEX program code, again store into the HEX program code in the programmable device again, get final product programming once more, thereby avoid this encryption and number of times limiting means easily, reach the purpose of unrestricted programming.For this reason, present way can only be carried software and programming device and be arrived the user place voluntarily by the technician of the manufacturer of microcontroller, carries out on-the-spot programming, does not allow user direct contact arrive the HEX program code, to avoid taking place the situation of bootlegging.
But such mode needs the technician to reach the spot, and has increased the business travel cost of production firm greatly, under a lot of situation of the client of needs service, also can delay update time, causes client's use inconvenience.
The utility model content
For this reason, technical matters to be solved of the present utility model is to provide a kind of microcontroller programming system, and it can allow the user carry out programming voluntarily to save cost, simultaneously the programming number of times is controlled, and avoids user's bootlegging and unrestrictedly programming.
In order to reach above-mentioned purpose, the utility model provides a kind of programing system of microcontroller, comprising: server end is used for the data code file encryption and transmits this ciphered data code file; Can with the long-range client that is connected of described server end, described client can be communicated by letter with described server end; And the programmable device that can be connected with described client terminal local, described programmable device receives and stores described encrypted data code file via described client.
Preferably, above-mentioned programmable device also comprises and is used for the transmission interface that is connected with described client and programming interface.
Preferably, above-mentioned server end and described client are PC, and both carry out long-range connection and communication by network; Described network is the internet.
After the programing system that adopts above-mentioned microcontroller, can be under the control of production firm, allow the client voluntarily to the microcontroller programming of upgrading, production firm needn't send the technician to serve to the scene again, has saved business travel cost greatly.In addition, because the ROMPaq file that is transmitted has carried out encryption and number of times restriction and directly stored in the programmable device, the client can't extract this ROMPaq voluntarily and carry out bootlegging; Simultaneously can not carry out unconfined duplicating to ROMPaq.
Description of drawings
Fig. 1 is the structural representation of microcontroller programming system of the present utility model;
Fig. 2 is the process flow diagram of microcontroller programming method of the present utility model;
Fig. 3 is the module map of programmable device in the microcontroller programming system of the present utility model;
Fig. 4 is the process flow diagram of the programmed method of another embodiment of the present utility model;
Fig. 5 is the microcontroller programming system synoptic diagram of prior art.
Embodiment
Shown in Figure 1, be the structural representation of microcontroller programming system of the present utility model.The programing system of this microcontroller comprises: server end 1, client 2 and programmable device 3.Server end 1 and client 2 is connected and can communicates for long-range, and client 2 is connected for this locality with programmable device 3 and also can communicates.In one embodiment, this server end 1 can be a PC with client 2, realizes long-range connection by the internet; Realize local the connection by USB interface between client 2 and the programmable device 3.But the utility model does not limit this, can adopt other connection means well known to those skilled in the art yet, for example, realizes that by LAN (Local Area Network), wireless network etc. server end 1 is connected with the long-range of client 2; Perhaps for example serial port, parallel port etc. realize that client 2 is connected with this locality between the programmable device 3 by other interfaces.In addition, programmable device 3 is connected with microcontroller 4 and carries out programming.
The utility model programming process as shown in Figure 2, before microcontroller 4 programmings, server end 1 will need programming to carry out data encryption and add to allow the inferior numerical value N (N=100 for example represents that promptly this programmable device at most can 100 microcontrollers of programming) of programming to the HEX code file in the target device (being microcontroller); This encryption back data file is transmitted by client 2 according to predetermined agreement and is saved in the programmable device 3.
In the programming process, programmable device 3 is written to the HEX code file after the deciphering reduction in the microcontroller 4 earlier with the deciphering of HEX code file.After the programming success once, will allow the inferior numerical value N of programming to deduct 1, and the value N after will upgrading notes, whether in order to allow next time programming provides basis for estimation.
The module diagram of the utility model programmable device 3 as shown in Figure 3, it comprises control module 31, the storer 32, programming interface 33 and the transmission interface 34 that link to each other with this control module 31 respectively.Programmable device 3 is connected with microcontroller 4 by programming interface 33, links to each other with PC as client 2 by transmission interface 34.The encryption HEX code file of downloading by client 2 is kept in the storer 32.Wherein, described storer 32 can be the Flash storer, and programming interface 33 can be 16 common core interfaces, and transmission interface 34 can be USB interface.
In another preferred embodiment, described record judge module 31 can also be controlled the operation of deciphering module 311 and programming module 312 by time parameter.That is, also can add default programming term of validity T in the above-mentioned encrypted data code file.For example, T=30 days, expression finished receiving from data file and allows to carry out programming in 30 days, surpassed 30 days, and then the data code file lost efficacy, even if above-mentioned permission programming limits value N does not allow programming greater than zero yet.
The process flow diagram of this process as shown in Figure 4, its most of step is same as shown in Figure 2, difference is, allows also to have added term of validity T the programming number of times limits value N except adding during encrypt file; After judging the step that allows programming time numerical value, judge the step of term of validity T again.That is, allow the programming times N greater than zero prerequisite under, current time and term of validity T are compared, when not exceeding term of validity T, can carry out above-mentioned programming and operate; When exceeding term of validity T, then do not allow to carry out programming.Can further prevent bootlegging like this.
Whether above-mentioned judgement allows the step of programming time numerical value in other words, can judge whether to exceed the term of validity earlier after the step of judging term of validity T, judge to allow the programming times N greater than zero again.
In order to realize time control function shown in Figure 4, also need comprise the clock (not shown) in the control module 31 shown in Figure 3, be used for writing time, whether exceed term of validity T so that judge the current time.
As other embodiment of the present utility model, above-mentioned permission programming number of times limits value N and term of validity T can set in advance in programmable device 3, and needn't be transferred to programmable device 3 together by data file encryption.
Claims (4)
1. the programing system of a microcontroller is characterized in that, comprising:
Server end is used for the data code file encryption and transmits this ciphered data code file;
Can with the long-range client that is connected of described server end, described client can be communicated by letter with described server end; And
The programmable device that can be connected with described client terminal local, described programmable device receives and stores described encrypted data code file via described client.
2. programing system according to claim 1 is characterized in that, described programmable device also comprises and is used for the transmission interface that is connected with described client and programming interface.
3. programing system according to claim 1 and 2 is characterized in that, described server end and described client are PC, and both carry out long-range connection and communication by network.
4. programing system according to claim 3 is characterized in that, described network is the internet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920291412XU CN201707918U (en) | 2009-12-10 | 2009-12-10 | Programming system of microcontroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920291412XU CN201707918U (en) | 2009-12-10 | 2009-12-10 | Programming system of microcontroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707918U true CN201707918U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920291412XU Expired - Fee Related CN201707918U (en) | 2009-12-10 | 2009-12-10 | Programming system of microcontroller |
Country Status (1)
| Country | Link |
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| CN (1) | CN201707918U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707979A (en) * | 2012-05-22 | 2012-10-03 | 奇瑞汽车股份有限公司 | Special refreshing tool and refreshing method for automobile controller software |
| CN104683105A (en) * | 2014-06-05 | 2015-06-03 | 深圳市迈斯威志科技有限公司 | Remote encryption, decryption and writing processing method for MCU writer |
| CN111625248A (en) * | 2020-06-01 | 2020-09-04 | 杭州万高科技股份有限公司 | Programming device and encryption programming method |
-
2009
- 2009-12-10 CN CN200920291412XU patent/CN201707918U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707979A (en) * | 2012-05-22 | 2012-10-03 | 奇瑞汽车股份有限公司 | Special refreshing tool and refreshing method for automobile controller software |
| CN104683105A (en) * | 2014-06-05 | 2015-06-03 | 深圳市迈斯威志科技有限公司 | Remote encryption, decryption and writing processing method for MCU writer |
| CN111625248A (en) * | 2020-06-01 | 2020-09-04 | 杭州万高科技股份有限公司 | Programming device and encryption programming method |
| CN111625248B (en) * | 2020-06-01 | 2023-04-07 | 杭州万高科技股份有限公司 | Programming device and encryption programming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200436 Shanghai City No. 3388 Gonghexin Road Yongding building 601-605 Patentee after: SHANGHAI GETSOON ELECTRONICS CO., LTD. Address before: 200436 Shanghai City No. 3388 Gonghexin Road Yongding building 601-605 Patentee before: Shanghai Gezhou Electronic Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20181210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |