CN108108179A - A kind of TMS32C6713 burning program FLASH methods based on serial ports - Google Patents
A kind of TMS32C6713 burning program FLASH methods based on serial ports Download PDFInfo
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- CN108108179A CN108108179A CN201711346131.5A CN201711346131A CN108108179A CN 108108179 A CN108108179 A CN 108108179A CN 201711346131 A CN201711346131 A CN 201711346131A CN 108108179 A CN108108179 A CN 108108179A
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Abstract
The present invention relates to a kind of TMS32C6713 burning program FLASH methods based on serial ports, and technical characterstic is to include：Pre- burning program receives bootstrap file by serial ports, by bootstrap file write-in bootstrap sector, and the mark for performing burning program is set in burning program mark sector；Burning is completed to send file tool transmission burning completion prompting to serial ports；Bootstrap receives working procedure file by serial ports, write-in free sector after verification is correct, working procedure file from free sector is read after code complete verification is correct and writes working procedure sector, finally removes the execution burning program mark in burning program mark sector；Burning is completed to send file tool transmission burning completion prompting to serial ports.Present invention design is reasonable, realizes fiber strapdown navigation system and can quickly and reliably be updated without dismounting into line program, ensure that state of the art it is constant in the case of program update, can be extensively using the miniaturization inertial navigation system that TMS320C6713 is acp chip.
Description
Technical field
The invention belongs to fiber strapdown navigation system technical field, especially a kind of TMS32C6713 programs based on serial ports
Burning FLASH methods.
Background technology
As fiber strapdown inertial navigation system performance is constantly improved and improved, peculiar to vessel, Lu Yonghe is widely used in
The fields such as aviation, therefore the requirement to system compact, real-time, reliability is higher and higher.It is mainly manifested in：First, increasingly
Compact structure design causes the disassembly of system to be deteriorated, and disassembly system can cause the calibrating parameters failure of early period or even have
Installation site does not allow to be dismounted.Secondly, burning FLASH general at present is online will using burn recording software using emulator
It is re-write after FLASH erasings, recordable time is very long, very high to room and time requirement, updates and burns in debugging process Program
Record FLASH frequently occurs, and quick burning program in real time is particularly important.Again, traditional burning program mode is in burning process
In, the problems such as due to computer or cable, emulator, burning failure is sometimes resulted in, greatly reduces the reliability of burning.Cause
This without dismounting without emulator using system external debugging interface realize communicate and complete write FLASH it is extremely important.
The content of the invention
Be overcome the deficiencies in the prior art the mesh of the present invention, propose a kind of design rationally, reliability it is high and it is quick just
The prompt TMS32C6713 burning program FLASH methods based on serial ports.
The present invention solves its technical problem and following technical scheme is taken to realize：
A kind of TMS32C6713 burning program FLASH methods based on serial ports, comprise the following steps：
Step 1, pre- burning program receive bootstrap file by serial ports, by bootstrap file write-in bootstrap fan
Area, and the mark for performing burning program is set in burning program mark sector；Burning is completed to send file tool transmission to serial ports
Prompting is completed in burning；
Step 2, bootstrap receive working procedure file by serial ports, verify correct rear write-in free sector, treat code
Working procedure file from free sector is read after complete verification is correct and writes working procedure sector, finally removes burning program
Identify the execution burning program mark in sector；Burning is completed to send file tool transmission burning completion prompting to serial ports.
The bootstrap file and working procedure file are hex file.
The advantages and positive effects of the present invention are：
Working procedure is burnt to FLASH by the present invention into with bootstrap by pre- burning by serial ports, realizes light
Fine strap-down navigation system can quickly and reliably be updated without dismounting into line program, in the case of ensure that state of the art is constant
Program update, can extensively using TMS320C6713 be acp chip miniaturization inertial navigation system.
Description of the drawings
Fig. 1 is " pre- burning program " flow chart of the invention；
Fig. 2 is " bootstrap " flow chart of the invention.
Specific embodiment
The embodiment of the present invention is further described below in conjunction with attached drawing.
A kind of TMS32C6713 burning program FLASH methods based on serial ports, be by pre- burning program, bootstrap and
What working procedure was realized.The function of pre- burning program is to receive bootstrap by serial ports and write in the vacant addresses of FLASH.Draw
The function of helical pitch sequence is to receive working procedure by serial ports and write in FLASH.Working procedure is divided independently of each other with bootstrap
Not Xie Ru FLASH different sectors, after burning send file serial ports instrument reception interface on have corresponding prompting.Upper
During stating burning program, in addition to burning bootstrap, each working procedure update only needs erasable working procedure section code, without
It is erasable to full wafer FLASH progress, so as to remain parameter section content.
The hardware condition that the present invention applies is：
By taking FLASH chip S29AL008J as an example, address range includes 19 sectors (SA0-SA18), as shown in table 1.
For startup program in sector SA0, working procedure writes on SA1-SA7, and bootstrap is accounted in SA8-SA11, parameter section in SA17, mark
Use SA18.
1 S29AL008J address ranges of table
Hex file explanation：TMS320C6713 code compilations, link generation * .out files, use hex6x.exe
Order uses "-x " parameter generation * .hex files in hex.cmd command files.Wherein * .hex files are and to write
The hex file of FLASH.
In the present invention, program includes working procedure and bootstrap.Working procedure and bootstrap use same startup
Program (bootrom).Execution burning program is decided whether according to the value of FLASHSA18 sectors fixing address in startup program
(determining whether 0x6666), otherwise runs working procedure.
The specific processing method of the present invention comprises the following steps：
Step 1, pre- burning step
As shown in Figure 1, pre- burning program receives the hex file B.hex of bootstrap by serial ports, B.hex is write
Enter bootstrap sector (SA8~SA11 sectors), and whether performing burning program mark sector (SA18 sectors) and put and whether hold
The mark (write-in 0x6666) of row burning program.Burning is completed to send file tool transmission burning completion prompting to serial ports.It is going here and there
In the case of the hardware conditions such as port address are immovable, this single stepping generally only carries out once.Each block of new line plate is required for
B.hex is sent file function by serial ports and writes FLASH appropriate address by the pre- burning program of emulator on-line operation.
Step 2, bootstrap perform step
As shown in Fig. 2, bootstrap receives working procedure hex file * .hex by serial ports, write after verification is correct
Enter free sector (SA12-SA15 sectors), treat that code complete verification is correct, working procedure code is read simultaneously from SA12-SA15
It writes working procedure sector (SA1~SA7), finally wipes in burning program mark sector (SA18 sectors) whether perform burning journey
Sequence mark.If since communicating interrupt or other reasons cause burning failure during burning, because SA18 marks are not wiped,
Burning work can be re-started after re-powering.Burning is completed to send file tool transmission burning completion prompting to serial ports.
5 minutes are needed using general one secondary program of burn recording software burning at present, and the present invention is arranged in serial port baud rate
In the case of 230400bit/s, recordable time is only 47 seconds, it can be seen that recordable time is greatly shortened.
Practical application of the present invention is completed many successes in the light-duty scout car inertial navigation of novel wheel-type, without disassembly system and is burnt
Record, time were shorten to 47 seconds by 5 minutes, and reliability rapidity is by making strict assessment and verifying.
It is emphasized that embodiment of the present invention is illustrative rather than limited, therefore present invention bag
The embodiment being not limited to described in specific embodiment is included, it is every by those skilled in the art's technique according to the invention scheme
The other embodiment drawn, also belongs to the scope of protection of the invention.
Claims (2)
- A kind of 1. TMS32C6713 burning program FLASH methods based on serial ports, it is characterised in that comprise the following steps：Step 1, pre- burning program receive bootstrap file by serial ports, and bootstrap file is write bootstrap sector, And the mark for performing burning program is set in burning program mark sector；Burning is completed to send file tool transmission burning to serial ports Complete prompting；Step 2, bootstrap receive working procedure file by serial ports, verify correct rear write-in free sector, treat code whole Working procedure file from free sector is read after verification is correct and writes working procedure sector, finally removes burning program mark Execution burning program mark in sector；Burning is completed to send file tool transmission burning completion prompting to serial ports.
- 2. the TMS32C6713 burning program FLASH methods according to claim 1 based on serial ports, it is characterised in that：Institute It is hex file to state bootstrap file and working procedure file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346131.5A CN108108179A (en) | 2017-12-15 | 2017-12-15 | A kind of TMS32C6713 burning program FLASH methods based on serial ports |
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| CN201711346131.5A CN108108179A (en) | 2017-12-15 | 2017-12-15 | A kind of TMS32C6713 burning program FLASH methods based on serial ports |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112346746A (en) * | 2020-10-30 | 2021-02-09 | 中国船舶重工集团公司第七0七研究所 | TMS32C6748 program burning method based on serial port high reliability |
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Application publication date: 20180601 |