CN103902305A - Software long-distance loading and solidifying method based on TI DSP - Google Patents
Software long-distance loading and solidifying method based on TI DSP Download PDFInfo
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- CN103902305A CN103902305A CN201210575407.8A CN201210575407A CN103902305A CN 103902305 A CN103902305 A CN 103902305A CN 201210575407 A CN201210575407 A CN 201210575407A CN 103902305 A CN103902305 A CN 103902305A
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Abstract
The invention relates to a software long-distance loading and solidifying method based on TI DSP. The method comprises the steps of assembling a one-level code guide program assembled through languages, initializing DSP, transmitting and receiving code in long distance, analyzing codes on line, and solidifying the codes. The invention provides the method capable of simplifying application debugging and maintenance upgrading of the TI DSP. The method can realize software long-distance loading, debugging and solidifying on the basis of the TI DSP so as to effectively improve the flexibility, the reliability and the maintainability of the application of a TI DSP system.
Description
Technical field
The invention belongs to embedded digital signal processing technology field, relate to a kind of remote software and load and curing, relate in particular to a kind of remote software based on TI DSP and load and curing.
Background technology
The DSP that possesses the advantages such as high-performance, software programmable and low-power consumption is the first-selected processing apparatus in Embedded real-time signal processing field always.As the maximum DSP device production business in the whole world, Texas Instruments(TI) dsp processor of company in occupation of dominant position, leading the development of high-end DSP technology in high performance signal process field.
In the application of current DSP embedded, be all in advance by application storage in outside nonvolatile memory (as FLASH), after system re-powers, be loaded into from external memory storage the application program of reruning DSP internal memory.This traditional working method has shortcomings: the one,, when program code solidifies, must be connected to target devices by emulator, brought very large difficulty in the upgrading in outfield; The 2nd, although TI company provides corresponding code to generate and tools of solidifying, complex steps, complicated operation, as long as software has some variation will regenerate curing code, maintainability is very poor.This traditional debugging load mode of the 3rd, DSP can not be realized the requirement that real-time task is distributed, and is not suitable with the demand of Embedded Application of new generation.
Summary of the invention
In order to solve the above-mentioned technical matters existing in background technology, the invention provides application debugging and the maintenance upgrade method of a kind of TIDSP of simplification, the remote software that can realize based on TI DSP loads, debugs and solidifies, thereby effectively improves dirigibility, the reliability and maintainability of the application of TI dsp system.
Technical scheme of the present invention is: the invention provides a kind of remote software based on TI DSP and load and curing, its special character is: the described remote software based on TI DSP loads with curing and comprises the following steps:
1) the one-level code boot that assembly language is write;
2) DSP initialization;
3) code remote transmission or reception;
4) code online analyzing;
5) code solidifies.
Above-mentioned steps 1) specific implementation be:
1.1) system powers on or resets;
1.2) data that dsp processor copies 1KBytes automatically from a certain fixed address in the mode of DMA by the bootload device (Bootloader) carrying are in the memory headroom in DSP sheet; After data Replica completes, automatically jump to internal memory first location operation; The address of the external non-volatile memory (as FLASH etc.) that described a certain fixed address is DSP; The data of described 1Kbytes are the one-level code boot that assembly language is write in this programme;
1.3) be loaded into the one-level code boot of moving in DSP internal memory and complete the function that final application code is copied to DSP internal memory and jump to the operation of program entry address; Described final application program comprises DSP initialize routine, remote code reception program, code online analyzing program and code program curing at this programme.
Above-mentioned steps 2) specific implementation be:
2.1) complete initialization and the configuration management of DSP internal resource, external resource.
2.2) be application program or the operation of on-line loaded working procedure of storing in load operating FLASH according to outside operation or debugging state signal deciding; If adopt on-line loaded mode, receive application software code by the external interface of specifying on dsp processor, and perform step 3); If while adopting the application program of storing in load operating FLASH, the application program of directly storing in load operating FLASH, and perform step 4).
Above-mentioned steps 2.1) described in DSP initial configuration complete DSP frequency of operation configuration, interruption, DMA initialization, interface (as memory interface, communication interface) initialization, the work such as the configuration management of communication link (as the special purpose interface such as RapidIO, FC), for the operation of remote code reception program, code online analyzing program and code program curing provides necessary preparation and support.
Above-mentioned steps 3) specific implementation be:
The target program file generating at dsp processor development environment for host side (TI DSP is Code Composer Studio) is transmitted with the interface that target DSP is connected by the interface on main frame or concentrated loading module; Described target program file is .out formatted file for TI DSP; The described interface being connected with target DSP is as serial ports, network interface etc., or special purpose interface is as FC, RapidIO interface etc.; When described interface adopts serial ports or network interface to carry out data transmission, directly adopt the means of communication that main frame carries to carry out data transmission in the mode of file transfer; When described interface adopts special purpose interface, need necessary hardware device and transmitting software support.
Above-mentioned steps 4) in online analyzing program be that the application code that transmits online the application code of loading by communication interface or load from FLASH is resolved to the code that DSP directly can carry out and is stored in corresponding dsp operation space; Finally automatically jump to program entry address working procedure.
Above-mentioned steps 4) specific implementation be:
4.1) from .out file, differentiate successively, read each effective section;
4.2) each segment data information is write in the corresponding internal memory running space of DSP; After all essential segment datas parsings copy, jump to the operation of program entry address; The COFF form that described .out file is standard, described coff file enters oral thermometer, symbol table, string table by file header, optional file header, paragraph header information table, segment data, relocation information, line number that paragraph header information table is corresponding successively from front to back and forms.
Above-mentioned steps 5) specific implementation be: program operation code is stored in external ROM or FLASH storer in.
Advantage of the present invention is:
1, realize the remote code transmission of TI DSP, curing function, departed from the restriction of hardware emulator, efficiently solved the problem of DSP code generating run difficulty, brought convenience to the upgrading in outfield.
2, realize remote code loading, debug function, solved TI DSP and loaded the requirement that must rely on development environment and emulator in debugging in application program, made for the debugging of TI DSP easylier flexibly, facilitated the comprehensive combined test work of system.
3, this software can be realized the function that many DSP concentrate task load operating, the online real-time task of DSP to distribute, and meets the demand of Embedded Application of new generation.
Accompanying drawing explanation
Fig. 1 is the FB(flow block) of one-level code boot;
Fig. 2 is the FB(flow block) of DSP initialize routine;
Fig. 3 is coff file form sketch;
Fig. 4 is online analyzing program flow chart;
Fig. 5 is the structured flowchart of certain signal processing module;
Fig. 6 is remote loading and the curing FB(flow block) of certain signal processing module.
Embodiment
Remote software based on TI DSP loads with solidification software and is made up of five parts: comprise the one-level code boot that assembly language is write; DSP initialize routine; Code remote transmission or reception program, code online analyzing program, code program curing.
This method for designing describes respectively below:
Referring to Fig. 1, one-level code boot: in the design of TI dsp processor, the mode that generally adopts external non-volatile memory (take FLASH as example introduction) to load, the software code of dsp operation is stored in outside FLASH storer.After powering on or resetting, DSP copies 1KBytes automatically from a certain fixed address (being outside FLASH space address) in the mode of DMA data (this method is as one-level code boot code data) by the bootload device (BootLoader) carrying are in the internal memory running space in DSP sheet, after data Replica completes, automatically jump to the first location of internal memory and move this program.
The 1Kbytes data that DSP guides automatically generally do not meet the requirement of application code capacity, therefore, in practical application, utilize this 1Kbytes data space storage one-level code boot, this program adopts assembly language to write, the function that copies to DSP internal memory and jump to the operation of program entry address for realizing final application code.In this programme, final application program comprises DSP initialize routine, remote code transmission/reception program, code online analyzing program and code program curing.。
DSP initialize routine: first DSP initialize routine will complete initialization and the configuration management of DSP inside, external resource.After initial work completes, move/debug state (aerial/ground state) signal according to outside and decide application program or the operation of on-line loaded working procedure of in load operating FLASH, storing.If adopt on-line loaded mode, program goes up external interface (serial ports, network interface) or the special purpose interface (as FC, RapidIO interface etc.) of specifying by DSP and receives application software code, then determines that according to status signal carrying out code solidifies still directly parsing operation.
Code remote transmission/reception program: code remote transmission program resides in debug host end, for by the final goal program file (TI is .out formatted file) generating at host side DSP development environment (TI DSP is Code Composer Studio), transmit with the special purpose interface that target DSP is connected by main frame or concentrated loading module.As adopting serial ports, network interface transmission, the means of communication that directly can adopt main frame to carry carries out in the mode of " file transfer ".If special purpose interface (as FC, RapidIO etc.) needs necessary hardware device and transmitting software support.It is upper that the long-range reception program of code resides in DSP, differentiates for reception and the verification of code.
Code online analyzing program: the function of online analyzing program is that program code (.out form) on-line loaded transmission or that load from FLASH is resolved to the code information that DSP directly can move.Finally automatically jump to program entry address working procedure.
Compiling under host side TI DSP development environment Code Composer Studio, link generator program file destination are .out file, this .out file can, in the situation that connecting emulator, facilitate load operating under Code Composer Studio development environment.But if depart from emulator and development environment .out can not be by directly operation of DSP identification.The method that TI provides is to utilize its special software hex6x first by the .hex file of multiple .out file generated TI forms, again .hex file is cut apart to merge and process, finally call another specific purpose tool software hexbin each .hex file is converted to DSP and can identify the binary file of operation.This mode very complicated, easily makes mistakes, and efficiency is low, very flexible.
The parsing that the function of online analyzing program completes .out file by DSP generates the document code that can move..out file is a kind of COFF(Common Object File Format of standard, general target file layout) form, coff file enters oral thermometer, symbol table, string table by file header, optional file header, paragraph header information table, segment data, relocation information, line number that paragraph header information table is corresponding successively from front to back and forms, wherein 3rd～5 comprise multiple data fields, front 4 with load document closely related.Specifically can be with reference to the Application Report Common Object File Format(SPRAAO8-April 2009 of TI).
According to the COFF format structure form of .out file, each effective section from .out file is successively differentiated, reads to online analyzing program exactly, and each segment data information is write to appropriate address space.After all essential segment datas parsings copy, jump to the operation of program entry address.
Code program curing, is cured to the storage of program operation code in outside FLASH storer.This software package and " remote transmission program " combination, can complete teleprogram code and solidify function.Solidify/operation differentiation completes by external control signal.The program that debugging has been verified is directly loaded into DSP by " remote transmission program " in host side, and the FLASH that is controlled code by DSP solidifies and verification.
In above listed driver, except online analyzing program, all the other routine packages can be according to concrete design and difference, thereby in introduction, only lists design philosophy and control flow, and concrete program development needs specific design.Data structure and the program code of online analyzing program in annex, are listed.
With a specific embodiment, the invention will be further described below.
Certain signal processing module is realized parallel signal Processing tasks by 5 TI dsp processors, set up intraconnection communication network by RapidIO bus, module externally adopts standard FC protocol communication network, is realized the mapping of outer/inner bus by FC-RapidIO special chip.The corresponding 1 road FC communication interface of each DSP in module.It is main controlled node link that DSP1 processes path, outside large capacity storage module or the external host of connecting of its FC interface, the remote code transformation task of responsible DSP.In module, adopt 2 aerial states of outside discrete control signal: GSE-(' 1 ')/ground state (' 0 '); S0-code operation (' 1 ')/code solidifies (' 0 ').The workflow of software is illustrated in fig. 6 shown below, and in module, each dsp processor is all set to the operation of outside FLASH load mode, and in the 1Kbytes of the first address of this FLASH, what deposit is the one-level code boot of DSP.This one-level code boot completes that dsp interface enables, PLL initialization, EMIF interface initialization, FLASH program copy, jump to the work such as program entry address operation.
Module works on power, each dsp processor loads one-level code boot operation by the bootload device (BootLoader) carrying, and DSP initialize routine curing in FLASH, code reception program and online analyzing program are loaded in the internal memory of DSP.
After one-level code boot completes, operation DSP initialize routine, complete the internal resource of DSP, comprise EDMA controller, interrupt the initialization of control, TIMER, GPIO interface, complete the initialization of the storage resources such as outside DDR2SDRAM, NvRAM, complete the configuration management of RapidIO exchange network in the initialization of DSP RapidIO interface and module, complete the configuration management of the FC communication interface of DSP to use.
Complete after above initial work, software is differentiated the state of external control signal " GSE ", GSE=' 1 ', and aerial state, directly jumps to " code online analyzing program ", and that in parsing operation FLASH, stores is loaded into the application program in DSP internal memory.GSE=' 0 ', ground state, DSP, by the large capacity storage module of " order " data notification or external host, waits for the application object code that reception external host or large capacity storage module are transmitted by FC special purpose interface.Intrasystem large capacity storage module or external host receive after signal, and operation " code remote transmission program ", will need DSP commissioning test or curing code to transfer to dsp processor by FC interface.The transmission of object code completes by " transmission of code length of run " program.
It should be noted that, by large capacity storage module transmission, can realize the code concentrated loading of total system requirement, the requirement of operation.If length of run loads debugging, can adopt external host to transmit in the mode such as serial ports, network interface.
DSP completes after the reception verification of operation code, differentiates the state of external control signal " S0 ", S0=' 1 ', and code operation, software control enters " code online analyzing program ", the application code of analytical propagation, working procedure.S0=' 0 ', code solidifies, and software control enters " code program curing ", directly the program code receiving is cured in FLASH storer.
Claims (8)
1. the remote software based on TI DSP loads and a curing, it is characterized in that: said method comprising the steps of:
1) the one-level code boot that assembly language is write;
2) DSP initialization;
3) code remote transmission/reception;
4) code online analyzing;
5) code solidifies.
2. the remote software based on TI DSP according to claim 1 loads and curing, it is characterized in that: the specific implementation of described step 1) is:
1.1) system powers on or resets;
1.2) data that dsp processor copies 1KBytes automatically from a certain fixed address in the mode of DMA by the bootload device Bootloader carrying are in the memory headroom in DSP sheet; After data Replica completes, automatically jump to internal memory first location operation; Described a certain fixed address refers to the address of the external non-volatile memory of DSP; The data of described 1Kbytes are one-level code boot that assembly language is write.
3. the remote software based on TI DSP according to claim 2 loads and curing, it is characterized in that: described step 2) specific implementation be:
2.1) complete initialization and the configuration management of DSP internal resource, external resource;
2.2) be application program or the operation of on-line loaded working procedure of storing in load operating FLASH according to outside operation or debugging state signal deciding; If adopt on-line loaded mode, receive application software code by the external interface of specifying on dsp processor, and perform step 3); If while adopting the application program of storing in load operating FLASH, the application program of directly storing in load operating FLASH, and perform step 4).
4. the remote software based on TI DSP according to claim 3 loads and curing, it is characterized in that: described step 2.1) described in DSP initial configuration comprise that the configuration management work of the configuration of DSP frequency of operation, interruption, DMA initialization, interface initialization and communication link, described DSP initial configuration are prepare and support for the operation of remote code reception program, code online analyzing program and code program curing provides.
5. the remote software based on TI DSP according to claim 4 loads and curing, it is characterized in that: the specific implementation of described step 3) is:
To transmit with the interface that target DSP is connected by the interface on main frame or concentrated loading module with the target program file that dsp processor development environment generates in host side; Described target program file is .out formatted file for TI DSP; The described interface being connected with target DSP is serial ports, network interface, FC special purpose interface or RapidIO special purpose interface; When described interface adopts serial ports or network interface to carry out data transmission, directly adopt the means of communication that main frame carries to carry out data transmission in the mode of file transfer; When described interface adopts FC special purpose interface or RapidIO special purpose interface, need necessary hardware device and transmitting software support.
6. the remote software based on TI DSP according to claim 5 loads and curing, it is characterized in that: in described step 4), online analyzing program is that the application code that transmits online the application code of loading by communication interface or load from FLASH is resolved to the code that DSP directly can carry out and is stored in corresponding dsp operation space; Finally automatically jump to program entry address working procedure.
7. the remote software based on TI DSP according to claim 6 loads and curing, it is characterized in that: the specific implementation of described step 4) is:
4.1) from .out file, differentiate successively, read each effective section;
4.2) each segment data information is write in the corresponding internal memory running space of DSP; After all essential segment datas parsings copy, jump to the operation of program entry address; The COFF form that described .out file is standard, described coff file enters oral thermometer, symbol table, string table by file header, optional file header, paragraph header information table, segment data, relocation information, line number that paragraph header information table is corresponding successively from front to back and forms.
8. the remote software based on TI DSP according to claim 7 loads and curing, it is characterized in that: the specific implementation of described step 5) is: program operation code is stored in external ROM or FLASH storer in.
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Cited By (14)
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| CN105094103A (en) * | 2015-06-09 | 2015-11-25 | 中国电子科技集团公司第三十六研究所 | DSP code solidification storage circuit applied in spacecraft |
| CN106502961A (en) * | 2016-10-26 | 2017-03-15 | 合肥润客软件科技有限公司 | A kind of operational approach for dsp software development system |
| CN106528254A (en) * | 2016-12-16 | 2017-03-22 | 中南大学 | APP rapid loading method |
| CN107992316A (en) * | 2017-11-24 | 2018-05-04 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of conglomerate integration loading method of on-board data processing software and signal processing software |
| CN108255538A (en) * | 2017-12-08 | 2018-07-06 | 中国航空工业集团公司成都飞机设计研究所 | A kind of method for loading two-level controller software on distributed delays System Computer in situ |
| CN108459862A (en) * | 2018-05-16 | 2018-08-28 | 昆山龙腾光电有限公司 | Burning code method and liquid crystal display die set |
| CN109032642A (en) * | 2018-07-26 | 2018-12-18 | 昆山岩古风智能科技有限公司 | A kind of DSP based on WIFI and ARM dual-core controller online upgrade system and its method |
| CN109213531A (en) * | 2018-09-01 | 2019-01-15 | 哈尔滨工程大学 | A kind of multi-core DSP based on EMIF16 powers on the simplification implementation method of self-starting |
| CN109426511A (en) * | 2017-08-18 | 2019-03-05 | 西安诺瓦电子科技有限公司 | Soft core update method and system |
| CN110716721A (en) * | 2019-08-27 | 2020-01-21 | 中国船舶重工集团公司第七0七研究所 | TMS320C6748 program loading method compatible with network port and serial port |
| CN111045734A (en) * | 2019-11-19 | 2020-04-21 | 中国航空工业集团公司西安航空计算技术研究所 | Software and hardware program one-key curing system and method based on IMA platform |
| CN111666104A (en) * | 2020-06-11 | 2020-09-15 | 江苏华创微系统有限公司 | DSP processor design method supporting starting from RapidO |
| CN112346769A (en) * | 2020-10-28 | 2021-02-09 | 北京航天发射技术研究所 | TMS320F 28335-based DSP software online upgrading method |
| CN113885969A (en) * | 2021-12-07 | 2022-01-04 | 阿里云计算有限公司 | Embedded device, embedded software loading method and storage medium |
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| CN105094103A (en) * | 2015-06-09 | 2015-11-25 | 中国电子科技集团公司第三十六研究所 | DSP code solidification storage circuit applied in spacecraft |
| CN106502961A (en) * | 2016-10-26 | 2017-03-15 | 合肥润客软件科技有限公司 | A kind of operational approach for dsp software development system |
| CN106528254A (en) * | 2016-12-16 | 2017-03-22 | 中南大学 | APP rapid loading method |
| CN109426511A (en) * | 2017-08-18 | 2019-03-05 | 西安诺瓦电子科技有限公司 | Soft core update method and system |
| CN109426511B (en) * | 2017-08-18 | 2022-03-22 | 西安诺瓦星云科技股份有限公司 | Soft core updating method and system |
| CN107992316A (en) * | 2017-11-24 | 2018-05-04 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of conglomerate integration loading method of on-board data processing software and signal processing software |
| CN108255538A (en) * | 2017-12-08 | 2018-07-06 | 中国航空工业集团公司成都飞机设计研究所 | A kind of method for loading two-level controller software on distributed delays System Computer in situ |
| CN108459862B (en) * | 2018-05-16 | 2022-02-15 | 昆山龙腾光电股份有限公司 | Code burning method and liquid crystal display module |
| CN108459862A (en) * | 2018-05-16 | 2018-08-28 | 昆山龙腾光电有限公司 | Burning code method and liquid crystal display die set |
| CN109032642A (en) * | 2018-07-26 | 2018-12-18 | 昆山岩古风智能科技有限公司 | A kind of DSP based on WIFI and ARM dual-core controller online upgrade system and its method |
| CN109213531A (en) * | 2018-09-01 | 2019-01-15 | 哈尔滨工程大学 | A kind of multi-core DSP based on EMIF16 powers on the simplification implementation method of self-starting |
| CN110716721A (en) * | 2019-08-27 | 2020-01-21 | 中国船舶重工集团公司第七0七研究所 | TMS320C6748 program loading method compatible with network port and serial port |
| CN111045734A (en) * | 2019-11-19 | 2020-04-21 | 中国航空工业集团公司西安航空计算技术研究所 | Software and hardware program one-key curing system and method based on IMA platform |
| CN111045734B (en) * | 2019-11-19 | 2023-09-01 | 中国航空工业集团公司西安航空计算技术研究所 | IMA platform-based software and hardware program one-key curing system and method |
| CN111666104A (en) * | 2020-06-11 | 2020-09-15 | 江苏华创微系统有限公司 | DSP processor design method supporting starting from RapidO |
| CN111666104B (en) * | 2020-06-11 | 2023-12-19 | 江苏华创微系统有限公司 | DSP processor design method supporting from rapidI/O start |
| CN112346769A (en) * | 2020-10-28 | 2021-02-09 | 北京航天发射技术研究所 | TMS320F 28335-based DSP software online upgrading method |
| CN113885969A (en) * | 2021-12-07 | 2022-01-04 | 阿里云计算有限公司 | Embedded device, embedded software loading method and storage medium |
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Application publication date: 20140702 |