Question: What eXpressDSP1? Answer: eXpressDSP Real-Time Software Tech
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Frequently Asked Questions About eXpressDSP
Question: What eXpressDSP1? Answer: eXpressDSP Real-Time Software Technology premier, open software environment Texas Instruments (TITM) digital signal processors (DSPs). four ingredients are: powerful, integrated development tools; real-time software foundation; standards application interoperability; world's largest third-party network. designed reduce development time well above depending application give end-users "make buy" choices algorithms, simply make easier match algorithms they have developed internally. This will allow programmers invest their time focusing next winning application instead reinventing wheel.
Question: What benefits eXpressDSP? Answer: industry breakthrough programmers, enabling them fully power these chips discover opportunities through simpler development process that slashes development time enables choices reusable, modular software.
Question: What Algorithm Standard? Answer: Algorithm Standard ingredients eXpressDSP. coding conventions algorithm writers that ultimately eliminates much repetitive time-consuming system integration associated with algorithms past. achieves this defining common programming rules guidelines plus programming interfaces that make algorithms more consistent across similar applications.
Question: implement Algorithm Standard? Answer: During integration process, algorithms often provided form object code source code. such, often difficult impossible system integrator know what assumptions algorithm made about underlying software foundation system which deployed. Since simplification integration process key, eXpressDSP algorithm standard reduces many these unknowns that system integrator much more confident about algorithm will operate within system shorten time solution. result that third parties deliver algorithms that more easily integrated original equipment manufacturers (OEMs), increasing total algorithm market. Likewise, OEMs enjoy increase quantity quality algorithms available. Software developers previously were consumed re-engineering same algorithm each system application turn their attention inventing algorithms applications.
eXpressDSP, Code Composer Studio trademarks Texas Instruments Incorporated.
Question: What code performance overhead required support Algorithm Standard? Answer: have found that cycle count program data memory increased less than
Question: What providing? Answer: Texas Instruments providing eXpressDSP software technology environment, while third parties OEMs creating algorithms that conform standard plug-ins that extend capability Code Composer StudioTM.
Question: What available today? Answer: four ingredients eXpressDSP available today. These delivered complete eXpressDSP Algorithm Standard Developers Kit, which includes Rules Guidelines, "How application notes, tools, TMS320C6000 demonstration showing algorithm interoperability. more details, see: http://www.ti.com/sc/expressdsp
Question: customers expressDSP? Answer: eXpressDSP Website
Question: What platforms supported eXpressDSP? Answer: TMS320C6000 C5000 platforms supported eXpressDSP.
Question: What unique about eXpressDSP from other software environments? Answer: eXpressDSP initiative that tightly married leadership programmable TMS320 families. tackles complex challenges real-time programming that requires predictable, guaranteed responses human environment that developers levels creatively flexibility power DSP.
Question: need Code Composer Studio (CCS) Algorithm Standard? Answer: Algorithm Standard independent Code Composer Studio; however, availability tools such XDASGen, ability example code Demo makes very productive environment using Algorithm Standard.
Question: measure overhead Algorithm Standard? Answer: profiling tool provides cycle counts code between profile points. Comparing counts before after implementing Algorithm Standard interface existing algorithm will allow measure overhead. application report "Using eXpressDSP Algorithm Standard Static System" (literature number SPRA577) discusses overhead Algorithm Standard, which most cases, will well under
SPRV038A
Question: much effort needed convert algorithm conform Algorithm Standard? Answer: existing algorithm already follows standard programming practices, then additional work adding Algorithm Standard interface takes about week first time through, about when familiar with procedure.
Question: have implement everything Standard? Answer: There required recommended parts Algorithm Standard. interface functions required.
Question: What algorithm instance objects? Answer: Algorithm Standard requires that algorithms implemented with object-like structure interface. This means that each algorithm operates within fully characterized, location-independent, encapsulated memory state. algorithm functions only called using well-defined interface must re-entrant.
Question: Does program need object-oriented complaint with Algorithm Standard? Answer: write algorithm language used part Algorithm Standard specification. program compliant with Algorithm Standard long algorithm module exports Algorithm Standard interface, obeys rules guidelines operation.
Question: memory-allocation done algorithm instance objects? Answer: run-time memory allocation must done application code. When algorithm instance object created, application call IALG function, algAlloc() obtain memory requirements allocation. actual allocation done either dynamically time, statically design time.
Question: much extra run-time overhead incurred calls Algorithm Standard-compliant algorithm functions? Answer: only extra overhead single function table indirection each service provider interface function call.
Question: much extra program data memory overhead incurred using Algorithm Standard-compliant algorithms? Answer: data overhead attributed exclusively Algorithm Standard each used algorithm vector table module reference. vector table contains eight required IALG function pointers, plus pointers interface functions. each algorithm instance object, only additional overhead pointer mentioned vector table, algorithm object handle.
eXpressDSP
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