CN110134411A - A kind of self-identifying method for burn-recording suitable for ammeter RN8318 chip - Google Patents
A kind of self-identifying method for burn-recording suitable for ammeter RN8318 chip Download PDFInfo
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- CN110134411A CN110134411A CN201910417186.3A CN201910417186A CN110134411A CN 110134411 A CN110134411 A CN 110134411A CN 201910417186 A CN201910417186 A CN 201910417186A CN 110134411 A CN110134411 A CN 110134411A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/61—Installation
- G06F8/63—Image based installation; Cloning; Build to order
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
Abstract
Whether the present invention provides a kind of self-identifying method for burn-recording suitable for ammeter RN8318 chip, comprising the following steps: power on rear detection chip burning program；When not detecting that burning chip has program, programmable device and electric energy meter chip establish connection and program and configuration file are downloaded in ammeter chip；Setting programs flag bit and burning chip Success Flag position for the first time, wherein when programming flag bit is a numerical value for the first time, the automatic burning program of programmable device, when burning chip Success Flag position is a numerical value, chip program burning success；Programming flag bit is controlled the variation for carrying out numerical value by case for the first time.
Description
Technical field
The present invention relates to a kind of automatic burning technology, especially a kind of self-identifying burning suitable for ammeter RN8318 chip
Method.
Background technique
Burning refers to the corresponding machine code write-in IC of program or single-chip microcontroller to realize corresponding function.Current cd-rom recorder
During burning program, it is necessary to cooperate key to complete, extreme influence efficiency when batch production.
Summary of the invention
The purpose of the present invention is to provide a kind of self-identifying method for burn-recording suitable for ammeter RN8318 chip, can be automatic
Identification chip whether complete burning.
Realize the technical solution of the object of the invention are as follows: a kind of self-identifying method for burn-recording suitable for ammeter RN8318 chip,
The following steps are included:
Step1: programmable device initializes after powering on, wherein program_first=1, program_complete=0；
Step2: detection programs flag bit (program_first) for the first time
1) it when flag bit is 1, to program for the first time, needs to be programmed by key pressing, jumps to Step5；
2) when flag bit is 0, illustrate it is not to program for the first time, direct automatic identification programming jumps step3；
Step3:SWD connection checks that electric energy meter is communicated by SWD interface and programmable device
1) programmable device and ammeter SWD successful connection, program_complete are set to 1, prevent from carrying out repeating volume to same chip
Journey；
2) connection is unsuccessful, and program_complete sets 0, into Step5；
Step4: after successful connection, program and configuration file are downloaded to ammeter by SWD interface by programmable device；
Step5: whether detection downloading program key is pressed
1) as pressed key pressing, program_first is set to 0, downloads automatically after allowing the successful connection of later programmed device, by program and
Configuration file downloads to ammeter；
2) it without actuation of keys, performs the next step；
Step6: detect whether to receive program or configuration that programmable device upper computer software downloads to ammeter to programmable device domestic demand
More newer command
1) if you need to be updated to programmable device internal program or configuration, program_first is set to 1, and the automatic downloading of starting next time needs
Again key starts, and is updated simultaneously to program or configuration；
2) do not receive related command, perform the next step；
Step7: jumping to Step2, repeats the above execution step.
Compared with prior art, the present invention having the advantage that the present invention two flag bits of setting, which can
To identify whether cd-rom recorder is that whether burning finishes for burning for the first time and chip, has self-recognition function.It is especially raw in batch
During production, human cost, the expenditure cost of less enterprise can be saved.
The invention will be further described with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is method flow schematic diagram of the invention.
Specific embodiment
Heretofore described flag bit program_first is programming flag bit.When programmable device and ammeter SWD connect into
Function, program_complete are set to 1, prevent from carrying out overprogram to same chip.If programmable device can not connect with ammeter SWD
Function, program_complete set 0.Under the premise of detecting that connection is good, then do following judgement: program_
Programming needs key to cooperate when complet is " 1 ", and programmable device automatic identification programs when for " 0 ".After automatic identification procedure, only
It needs to connect sufficiently, so that it may automatic burning, it is no longer necessary to operation button.After programming success, program_complete=1,
It prevents from carrying out automatic programming to this chip again
RN8318 chip of the present invention is the dedicated MCU chip of electric energy meter of Rui Nengwei Science and Technology Ltd. production.
SWD(Serial Wire Debug of the present invention) be serial debugging mode interface general name.Electric energy meter passes through
SWD interface (VCC power interface, the ground GND interface, CLK clock line interface, I/O data interface) is communicated with programmable device, by programmable device
The program and configuration file of kind download to electric energy meter.
Host computer of the present invention, which refers to, provides the terminal of program for chip.
In conjunction with Fig. 1, a kind of self-identifying method for burn-recording suitable for ammeter RN8318 chip, comprising the following steps:
Step S101, programmable device are powered on and are initialized, and enable program_first=1, program_complete=0；
Step S102, detection programs flag bit program_frist for the first time, if program_frist=1, to program for the first time,
Go to step S105；If program_frist=0, connect unsuccessful, goes to step S103；
Step S103, chip connection checks, if successful connection, program_complete=1 prevents from carrying out same chip
Overprogram goes to step S104；If connection is unsuccessful, program_complete=0 goes to step S105；
Program and configuration file are downloaded to electric energy meter by SWD interface by step S104, programmable device；
Whether step S105, detection downloading program key are pressed, if key is pressed, program_frist=0 is gone to step
S103；If programming key is not pressed, S106 is gone to step；
Step S106 judges whether to receive the downloading of host computer engineering and check command, if receiving related command,
Program_frist=1 simultaneously carries out engineering downloading and goes to step S107 after verifying；Otherwise S107 is directly gone to step；
Step S107 judges whether to receive host computer and reads back data command, if receiving related command, program_
It simultaneously reads back and data inside chips and goes to step S108 after returning to host computer in frist=1；Otherwise S108 is directly gone to step；
Step S108 initializes key-press status and goes to step S102, repeats above step.
Claims (5)
1. a kind of self-identifying method for burn-recording suitable for ammeter RN8318 chip, comprising the following steps:
Power on rear detection chip whether burning program；
When not detecting that burning chip has program, programmable device and electric energy meter chip establish connection and by program and configuration files
It is downloaded in ammeter chip；It is characterized in that,
Setting programs flag bit and burning chip Success Flag position for the first time, wherein
When programming flag bit is a numerical value for the first time, the automatic burning program of programmable device,
When burning chip Success Flag position is a numerical value, chip program burning success；
Programming flag bit is controlled the variation for carrying out numerical value by case for the first time.
2. the method according to claim 1, wherein if for the first time programming flag bit be 1 when, to program for the first time；
It is not to program for the first time if programming flag bit is 0 for the first time, direct automatic identification programming.
3. the method according to claim 1, wherein if burning chip Success Flag position be 1 when, burning chip
Success.
4. the method according to claim 1, wherein it is first to press case control if chip detects more newer command
Secondary programming flag bit becomes a numerical value and is updated.
5. the method according to claim 1, wherein pressing case control if chip detects data back order
Programming flag bit becomes a numerical value and is updated system for the first time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417186.3A CN110134411A (en) | 2019-05-20 | 2019-05-20 | A kind of self-identifying method for burn-recording suitable for ammeter RN8318 chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417186.3A CN110134411A (en) | 2019-05-20 | 2019-05-20 | A kind of self-identifying method for burn-recording suitable for ammeter RN8318 chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110134411A true CN110134411A (en) | 2019-08-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910417186.3A Pending CN110134411A (en) | 2019-05-20 | 2019-05-20 | A kind of self-identifying method for burn-recording suitable for ammeter RN8318 chip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112131098A (en) * | 2020-08-07 | 2020-12-25 | 国家电网有限公司 | Method and system for testing electric energy meter software |
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| US20020143950A1 (en) * | 2001-03-29 | 2002-10-03 | Kenner Martin A. | Display of software notes accessed by content recipient from content provider site |
| CN1632763A (en) * | 2004-12-15 | 2005-06-29 | 时仁帅 | Automatic debugging and mistake correcting method and system for assembly program in embedded module |
| CN102789402A (en) * | 2012-06-29 | 2012-11-21 | 徐下兵 | Program automatic debugging method |
| CN103176806A (en) * | 2011-12-21 | 2013-06-26 | 富泰华工业（深圳）有限公司 | Programming system and programming controlling method |
| CN104657160A (en) * | 2013-11-21 | 2015-05-27 | 联创汽车电子有限公司 | Multichip application burning method of vehicle-mounted controller |
| CN105138869A (en) * | 2015-08-17 | 2015-12-09 | 四川长虹电器股份有限公司 | Method for automatically locking and protecting flash bootstrap program based on flag detection |
| CN106990982A (en) * | 2017-03-20 | 2017-07-28 | 北京新能源汽车股份有限公司 | Program updating method and device |
-
2019
- 2019-05-20 CN CN201910417186.3A patent/CN110134411A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020143950A1 (en) * | 2001-03-29 | 2002-10-03 | Kenner Martin A. | Display of software notes accessed by content recipient from content provider site |
| CN1632763A (en) * | 2004-12-15 | 2005-06-29 | 时仁帅 | Automatic debugging and mistake correcting method and system for assembly program in embedded module |
| CN103176806A (en) * | 2011-12-21 | 2013-06-26 | 富泰华工业（深圳）有限公司 | Programming system and programming controlling method |
| CN102789402A (en) * | 2012-06-29 | 2012-11-21 | 徐下兵 | Program automatic debugging method |
| CN104657160A (en) * | 2013-11-21 | 2015-05-27 | 联创汽车电子有限公司 | Multichip application burning method of vehicle-mounted controller |
| CN105138869A (en) * | 2015-08-17 | 2015-12-09 | 四川长虹电器股份有限公司 | Method for automatically locking and protecting flash bootstrap program based on flag detection |
| CN106990982A (en) * | 2017-03-20 | 2017-07-28 | 北京新能源汽车股份有限公司 | Program updating method and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112131098A (en) * | 2020-08-07 | 2020-12-25 | 国家电网有限公司 | Method and system for testing electric energy meter software |
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Application publication date: 20190816 |