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Ukuhlanganiswa Kwekhamera ye-USB Namapulatifomu e-FPGA: Amasistimu Okubona Angezwa Kancane, Anamandla e-AI
Kwadalwa ngo 08.21
Ukuthuthuka okusheshayo kwe-edge computing kanye ne-real-time machine vision kuphakamise izidingo eziqinile zezixazululo zokuthwebula nokucubungula izithombe ezinokusebenza okuphezulu nokulibaziseka okuphansi. I-Field-Programmable Gate Arrays (FPGAs) inamandla okucubungula ngokuhambisana, ukuguquguquka kwe-hardware logic, kanye nokusebenza kahle kwamandla, okwenza zifaneleke kakhulu ezinhlelweni ezigxile ekuboneni ezihlanganisa i-industrial automation, i-medical imaging, kanye nezinhlelo ze-IoT ezihlakaniphile. Amakhamera e-USB zamukelwa kabanzi ezimweni ezishumekiwe nezemboni ngenxa yokonga kwezindleko, ukuhambisana kokuxhuma nokudlala, kanye nokucaciswa kwemikhiqizo ehlukahlukene ehlanganisa amazinga abathengi nezemfundo. Nokho, ukuhlanganiswa kwamakhamera e-USB namapulatifomu e-FPGA kade kuvinjelwe izinselele ezingokwemvelo ezifana nokungahambisani kweprothokholi, ukubambezeleka okweqile kohlelo, nokungakwazi ukulawula amapharamitha ekhamera ngesikhathi sangempela, okunciphisa kakhulu amandla okusebenza aphelele wokucubungula okubonakalayo ngesikhathi sangempela okusekelwe ku-FPGA.
Izindlela zokuhlanganisa zendabuko zisebenzisa uhlaka lokudlulisa idatha olulawulwa yi-CPU, lapho i-CPU ithola khona futhi igcine idatha yevidiyo evela kumakhamera e-USB ngaphambi kokudlulisela idatha kuma-FPGA. Lolu hlelo lwezakhiwo lwethula ukubambezeleka okungadingekile kokudluliswa kwedatha, luhluleka ukusebenzisa ngokugcwele izinsiza zehadiwe ye-FPGA, futhi luphula izinzuzo zokucubungula ngokufanayo zama-FPGA. Lo mbhalo wethula ngokuhlelekile izinhlaka ezimbili zokuhlanganisa ezingena-CPU ukuxazulula lezi zinkinga zobuchwepheshe ezingenhla, futhi unikeza umhlahlandlela ophelele ohlanganisa ukukhethwa kwehadiwe, izinqubo zokuqalisa, nezindlela zokulungisa ubunzima bobunjiniyela ukuze kwakhiwe izinhlelo zokubona ezinokwethenjelwa okuphezulu nokubambezeleka okuphansi.
Izinzuzo Zokuhlanganiswa Kwekhamera ye-USB ne-FPGA
Ama-FPGA namakhamera e-USB akha inhlanganisela ehambisana kahle kakhulu yezinhlelo ze-edge vision ezinemingcele eqinile yobubanzi be-bandwidth, ukulibaziseka, nokusetshenziswa kwamandla. Amandla ayisisekelo walezi zinto ezimbili ahambisana ngokuphelele nezidingo zobuchwepheshe zokucubungula izithombe ngesikhathi sangempela.
• Izinzuzo eziyinhloko ze-FPGA: Ngokungafani nendlela yokulandelana kwemiyalelo yama-CPU, ama-FPGA asekela ukucubungula idatha ngokufana emigqeni eminingi, okufaneleka kakhulu emisebenzini yokubona ebucayi ngesikhathi njengokuhlunga izithombe, ukuthola izinto, nokuhlaziya imizila yokunyakaza.
• Izinzuzo eziyinhloko zekhamera ye-USB: Amakhamera e-USB asekela ububanzi bokuhlukanisa kusukela ku-VGA kuya ku-4K kanye nezinhlobo eziningi ezijwayelekile zezithombe ezihlanganisa i-YUV, i-RGB, ne-MJPEG. Ubukhulu bawo obuncane bunika amandla ukusetshenziswa ngokuguquguquka emishinini ehlukahlukene yokubona eshuminiwe.
Izimo Ezijwayelekile Zokusetshenziswa
1. Ukusebenza ngokuzenzakalelayo kwezimboni: Ama-FPGA acubungula imifudlana yevidiyo yesikhathi sangempela evela kumakhamera e-USB ukuze athole ukukhonjwa kwamasici e-PCB, ukulandelela ukunyakaza komugqa wokuhlanganisa, nokulawula ukubona kwengalo yerobhothi ngokubambezeleka okungaphansi kwemillisecond.
2. Ukuthwebula izithombe kwezokwelapha: Ukuhlanganiswa kwedatha okulibaziseka okuphansi kusekela ukucubungula ngesikhathi sangempela izithombe ze-endoscopy ne-ultrasound, kusiza odokotela ukuthi bahlole ngokushesha nangokunemba.
3. Amadivayisi ahlakaniphile e-IoT: Ukuhlanganiswa kwama-FPGA namakhamera e-USB kusekela ukusebenza ngamandla aphansi kokuqapha okuhlakaniphile kwezokuphepha, ukulawula ukungena ngokuqashelwa kobuso, kanye nezinhlelo zokubona izimoto emgwaqweni.
4. Izinhlelo zokubona ezimotweni: Ezinhlelweni zokusiza abashayeli ezithuthukile (ADAS), ama-FPGA acubungula idatha yamavidiyo amakhamera e-USB ngesikhathi sangempela ukuze aqedele ukutholwa kwabahamba ngezinyawo, imigqa yomgwaqo, nezimoto, kuthuthukise ukuphepha kokushayela.
Izinkinga Eziyinhloko Zezinhlelo Zokuhlanganisa Ze-USB-FPGA Zendabuko
Izixazululo eziningi ezijwayelekile zokuhlanganisa zithembela kuma-CPU njengamayunithi okudlulisela idatha aphakathi. Le ndlela elula yokusebenzisa iletha izinkinga ezine ezibalulekile zokusebenza ezingenakuhlangabezana nezidingo zezinhlelo zokubona zesikhathi sangempela ezinembile.
1. Ukubambezeleka okuphezulu kwe-latency: Ukugcinwa kwedatha, ukucubungula, nokudluliselwa yi-CPU kuzoletha ukubambezeleka kwesistimu okungu-10–100ms, okubulalayo ezimweni ezizwela isikhathi njengokutholwa kwamaphutha ezimbonini kanye ne-ADAS yezimoto, okuholela kalula ekungabonweni nasekubambezelekeni kokuphendula.
2. Ukusetshenziswa okunganele kwezinsiza ze-FPGA: Indlela yokudlulisela idatha ye-CPU iphoqa ama-FPGA ukuthi asebenze ngendlela yokulinda idatha ngokulandelana, okwenza kungakwazi ukusebenzisa izici zokucubungula ngokuhambisana, okuholela ekutheni izakhiwo zokucabanga nama-DSP angasebenzi.
3. Umkhawulo omncane wokulawula ikhamera ngesikhathi sangempela: Iningi lamakhamera e-UVC standard USB alawulwa ama-API esoftware aseceleni kwe-CPU, okwenza kungabi nokwenzeka ukuthi ama-FPGA ashintshe ngokuguquguqukayo ukuchayeka, inzuzo, ukulinganisela kokumhlophe nezinye izilinganiso ngesikhathi sangempela. Lokhu kungasebenzi kahle kukhawulela ukuzivumelanisa nemvelo kwezinhlelo zokubona ezimweni zokukhanya eziguquguqukayo.
4. Ukungahambisani kwephrothokholi: Ama-FPGA awasekeli ngokwendalo amaphrothokholi we-USB host. Izinhlelo zendabuko zidinga ukuthembela kuma-chip angaphandle okulawula i-USB noma ukuhlaziywa kwephrothokholi yi-CPU, okwengeza ubunkimbinkimbi ohlelweni futhi kwethula ukubambezeleka okwengeziwe.
Nakuba izixhumi zokubona eziqeqeshiwe ezifana ne-Camera Link ne-MIPI zingagwema lezi zinkinga ezingenhla, amakhamera e-USB anezinzuzo ezingenakushintshwa ngezindleko nokuhambisana. Isixazululo esiyisisekelo sokweqa imikhawulo yokusebenza ukusebenzisa ukwakheka kokuxhumana okuqondile okungadingi i-CPU phakathi kwamakhamera e-USB nama-FPGA.
Amasu Amasha Okuhlanganisa Okungenayo i-CPU Okulibaziseka Kancane
Ukususa isixhumanisi esiphakathi se-CPU kuyingqikithi yokuhlanganiswa kwe-latency ephansi. Izakhiwo ezimbili eziqinisekisiwe zasendle zokuxhuma ngqo kwe-hardware zihlongozwa ngezansi ukuze kutholakale ukusebenzisana kwedatha okusebenza kahle phakathi kwamakhamera e-USB nama-FPGA.
Isu 1: Ukuqaliswa kwe-FPGA-Based USB Host Controller kanye ne-UVC Protocol Stack
Leli zakhiwo lisebenzisa isilawuli esiphelele se-USB host kanye nesitaki sephrothokholi ye-UVC (USB Video Class) esisekelwe kwi-FPGA hardware logic, okwenza ama-FPGA akwazi ukuqedela ngokuqondile ukuhlaziywa kwephrothokholi, ukwamukelwa kwedatha, nokulawulwa kwemingcele yamakhamera e-USB ngaphandle kokubamba iqhaza kwe-CPU. Lolu hlelo lunganciphisa ukubambezeleka kohlelo lube ngaphansi kwe-millisecond eyodwa futhi lufeze ukulawulwa kwezinga le-hardware eliphelele lwemingcele yekhamera.
Izimiso Zokuqaliswa Nezinyathelo
1. Ukukhethwa kwe-chip ye-USB PHY: Qondanisa nama-chip ezinga lomzimba we-USB 3.0/3.2 esheshayo afana ne-FTDI FT602 ne-Cypress CYUSB3014. Ama-chip axhumana nama-FPGA ngemigudu ehambisanayo. I-FT602 iyithuluzi elikhethwayo lokuhlanganiswa kwezimboni ngenxa yezindleko zayo eziphansi, ukusebenzisa amandla okuphansi nokulungiswa okulula kwe-driver.
2. Ukuthuthukiswa kwesitaki se-protocol ye-FPGA UVC: Sebenzisa ulimi lokuchaza i-hardware ye-Verilog noma i-VHDL ukuqedela ukuthuthukiswa komqondo oyinhloko, okuhlanganisa ukubalwa kwedivayisi ye-USB, ukulungiswa kwesiphetho sokulawula amapharamitha ekhamera, nokudluliswa kwedatha yevidiyo enesivinini esikhulu ngokusekelwe kuma-isochronous endpoints.
3. Ukuhlanganiswa komgudu wokucubungula izithombe we-hardware: Faka umqondo wokucubungula izithombe ngaphambi kokucubungula, njengokuthola imiphetho, ukulungisa umbala, nokucindezela umsindo, kumqondo we-hardware ye-FPGA ukuze kutholakale ukucubungula okuhambisanayo kwedatha yevidiyo nokuqeda ukubambezeleka kokudluliswa kwedatha.
Izinzuzo Eziyinhloko
• Ukubambezeleka okuphansi kakhulu kwesistimu, nokubambezeleka kokuphela kuphathwa ngaphakathi kwe-1ms, kuhlangabezana nezidingo eziqinile zokucubungula ngesikhathi sangempela
• Sekela ukulungiswa okuguquguqukayo ngesikhathi sangempela kwe-exposure yekhamera, inzuzo, nezinye izilinganiso ngokusekelwe kwi-logic ye-FPGA
• Sebenzisa ngokugcwele izinsiza zokucubungula ezihambisanayo ze-FPGA ukuze kukhuliswe ukusetshenziswa kwehardware
• Qeda ukuthembela kumadivayisi e-CPU futhi wehlise izindleko zizonke ze-BOM zesistimu
Isimo Sokusebenza Sobunjiniyela: Ukutholwa Kwesici Sesikhathi Sangempela Se-PCB
Uhlelo lokukhiqiza lwezimboni lusebenzisa ikhamera ye-USB ye-4K global shutter kanye ne-Xilinx Kintex-7 FPGA, futhi lakha isitaki se-protocol se-UVC esisebenzisa i-FT602 USB PHY chip. Uhlelo lusebenza ngokuzinzile ukucubungula ama-video streams e-4K high-definition nge-30FPS, ngokulibaziseka okungaphansi kwe-millisecond. I-algorithm yokuthola imiphetho esheshisiwe ye-FPGA ibona ngesikhathi sangempela ukungabi khona kwezinto ze-PCB kanye nezinkinga ze-short-circuit. Uma kuqhathaniswa nesu lokucubungula le-CPU lendabuko, izinga lokutholwa okungamanga kwezinkinga lehliswa ngo-30%. Ngokunjalo, i-FPGA ilungisa ngokuguquguqukayo amapharamitha wokuvezwa kwekhamera ngokuya ngokushintsha kokukhanya kwefektri ukuze iqinisekise ukunemba kokuthola okuzinzile ezimweni eziyinkimbinkimbi zokusebenza.
Isu 2: I-USB-to-AXI Bridge-Based FPGA AI Acceleration Architecture
Ezimeni ze-edge AI vision ezifana nokutholwa kwethagethi nokuqashelwa kobuso, kungasetshenziswa i-USB-to-AXI bridge architecture. Lolu hlelo luguqula idatha yevidiyo ye-USB ibe amasignali ebhasi ajwayelekile e-AXI4-Stream ngokusebenzisa i-hardware bridging logic, idlulisele idatha ngqo ku-FPGA-side AI inference IP core, futhi ithole ukucubungula okuhlakaniphile okunokulibaziseka okuphansi kusukela ekugcineni kuya ekugcineni.
Umgomo Wokuqalisa Nezinyathelo
1. Yakha i-USB-to-AXI bridge: Sebenzisa ama-IP cores asemthethweni asungulwe ngaphambilini afana ne-Xilinx USB 3.0 Host Controller IP noma i-custom Verilog logic ukuze uqedele ukubhaliswa kwedivayisi ye-USB futhi uguqule i-USB video data stream ibe ifomethi yedatha yebhasi ye-AXI efanele ukudluliswa kwangaphakathi kwe-FPGA.
2. Hlanganisa i-hardware AI inference IP: Faka i-Xilinx DPU noma i-Intel OpenVINO FPGA acceleration cores kuphrojekthi ye-FPGA ukuze usekele ukusebenza kwe-hardware acceleration yamamodeli ajwayelekile e-CNN afana ne-YOLO ne-ResNet.
3. Thuthukisa ukugeleza kwedatha kwangaphakathi: Sebenzisana ne-FPGA on-chip BRAM kanye nememori yangaphandle ye-DDR ukwakha indlela efanele yokugcina idatha, qinisekisa ukuthi idatha yevidiyo idluliswa kahle phakathi kwebhuloho ne-AI core, futhi ugweme ukulahleka kwamafreyimu nokuminyana kwedatha.
Izinzuzo Eziyinhloko
• Thola ukuhlaziywa kwe-AI yendawo (edge AI) ngaphandle kokuncika ku-CPU nezinsiza zekhompiyutha yamafu
• I-AXI bus architecture isekela ukunwetshwa okukalekayo, engahlanganiswa ngokuvumelana ne-image preprocessing, ukugcina idatha, nezinye izinhlaka ze-IP ezisebenzayo
• Iyahambisana nawo wonke amakhamera ajwayelekile e-UVC USB kanye namakhamera ezimboni enziwe ngokwezifiso, anamandla okuzijwayeza izimo ezahlukene
Isimo Sokusetshenziswa Kwezobunjiniyela: Ukuqapha Izinga Lokushaya Kwenhliziyo Ngaphandle Kokuthinta
Isixazululo sedivayisi yezokwelapha sisebenzisa ikhamera evamile ye-USB kanye nebhodi lokuthuthukisa le-Xilinx PYNQ-Z2 FPGA. Idatha yevidiyo eqoqwa ikhamera idluliselwa ku-FPGA ngebhuloho le-USB-to-AXI. Ngemva kokuthuthukiswa kwehardware nokusetshenziswa kwe-algorithm ye-Euler video magnification, uhlelo lubamba izinguquko ezincane zombala wesikhumba ezibangelwa ukuguquguquka kokugeleza kwegazi ebusweni, ukuze kutholakale ukutholwa kwenhliziyo okungathinti. Uhlelo lunokunemba kokuthola okungu-95% uma kuqhathaniswa nemishini yokuqapha evamile ethintayo, futhi ukubambezeleka okuphelele kungaphansi kuka-50ms. Lusetshenziswa ezimweni zokuqapha iziguli ezibhedlela, ukuze lunciphise ngempumelelo izingozi zokutheleleka ngokuxhumana.
Imihlahlandlela Yokukhetha Izingxenye Zehadiwe
Ukufaniswa okufanele kwehadiwe kuyisisekelo sokusebenza ngokuzinzile kwezinhlelo ezihlanganisiwe zokulibaziseka okuphansi. Okulandelayo kunikeza izindinganiso zokukhetha eziqondisiwe ze-FPGA, amakhamera e-USB kanye nezingxenye ezisekelayo ngezimo ezahlukene zokusetshenziswa.
1. Ukukhetha kwe-FPGA
• Izimo zokuqala (izinhlelo zomphakathi neze-DIY): I-Xilinx Artix-7 ne-Intel Cyclone IV ziyathandwa. Lezi zinto zisekela iphrothokholi ye-USB 2.0, zinamandla aphakathi nendawo okucubungula, futhi zifanele ukuthwebula ngekhwalithi ephansi (VGA/720P) kanye nokucubungula kokutholwa kokunyakaza okulula.
• Izimo eziphakathi nendawo (imishini yezimboni neyokwelapha): I-Xilinx Kintex-7 ne-Intel Arria V ziyanconywa. Zisekela ukudluliswa ngesivinini esiphezulu se-USB 3.0/3.2, zihlome ngezingxenye ezanele ze-DSP kanye nezinsiza zokugcina ezisemkhipheni, futhi zingahlangabezana nezidingo zokucubungula zamakhamera e-1080P/4K ezinemba okuphezulu kanye nama-algorithms ayinkimbinkimbi wokubona.
• Izimo ezisezingeni eliphezulu (i-ADAS yezimoto kanye nokubona okuthuthukile kwe-AI): Kusetshenziswa amadivayisi e-Xilinx UltraScale kanye ne-Intel Stratix 10. Zisekela ukudluliswa kwe-USB 3.2 Gen 2 ngebhandi elibanzi elingu-10Gbps, futhi zihlanganisa amamojula akhethekile okusheshisa i-AI, okwenza kube nokwenzeka ukucubungula ngokwesikhathi sangempela amamodeli e-CNN anemba okuphezulu.
2. Ukukhetha Ikhamera ye-USB
• Ukulungwa ngezinga eliphezulu kanye nesilinganiso sezithombe: Amakhamera e-720P/1080P afanele ukuqapha okujwayelekile; Amakhamera e-4K anezinga eliphezulu kakhulu ayadingeka ezimweni ezinemba kakhulu njengokuthola iziphoso ezimbonini. Isilinganiso sezithombe (30FPS/60FPS) kufanele sihambisane namandla okucubungula e-FPGA ukuze kugwenywe ukulahleka kwezithombe.
• Inguqulo yephrothokholi ye-USB: I-interface ye-USB 3.0/3.2 iyadingeka ekudluliseni amavidiyo anezinga eliphezulu ukuze kuqinisekiswe umkhawulo we-bandwidth; I-USB 2.0 isebenza kuphela ezimweni ezinokushesha okuphansi ezingeni le-VGA eliphansi.
• Uhlobo lwephrothokholi: Amakhamera ajwayelekile e-UVC anokusebenza ngokuqondile nokuhambisana okunamandla, afanele izimo eziningi ezijwayelekile; amakhamera ezimboni anephrothokholi ekhethekile asekela ukulawulwa kwemingcele eminingi engaphansi, okufanele imishini yezimboni enembile yokubona.
• Izici zokusebenza: Ezimweni zokunyakaza ngesivinini esikhulu, khetha amakhamera ane-global shutter ukuze ugweme ukufiphalisa kokunyakaza; ezindaweni ezimnyama zezimboni nezokwelapha, qпрioritize amadivayisi anokuzwa ekukhanyeni okuphansi namapharamitha okuchayeka aguquguqukayo.
3. Izingxenye Ezisekelayo
• I-chip ye-USB PHY: i-FT602 yezixazululo ze-USB 3.0 ezingabizi kakhulu; i-CYUSB3014 yezimo zezimboni ezisebenza kahle kakhulu; i-Intel esemthethweni ye-USB 2.0 host IP core yemiklamo yezinga lokuqala elihamba kancane.
• Amadivayisi okugcina: Imemori yangaphandle ye-DDR3/DDR4 isetshenziselwa ukugcina idatha yevidiyo enkulu; i-BRAM esemkhombeni isetshenziselwa ukugcina idatha ephakathi nokucubungula ngesikhathi sangempela.
• Imoduli yokunikezwa amandla: Izinhlelo zokubona ezisezingeni eliphakathi zifakwe amandla angu-5V/3A ukuze kuhlangatshezwane nesidingo esizinzile samandla se-FPGA, ikhamera ne-chip ye-PHY.
Amacebiso Okusebenza Okusebenzayo Nokulungisa Amaphutha
Ngokuqondiswe ezinkingeni ezivamile ekuthuthukisweni kokuhlanganiswa kwe-USB camera ne-FPGA, kufingqwe imithetho elandelayo yokusebenza okusebenzayo nezindlela zokulungisa amaphutha, ukuze kuthuthukiswe ukusebenza kahle kokuthuthukisa nokuzinza kwesistimu.
1. Qinisekisa iphrothothayiphu kuqala: Qedela ukuqinisekiswa kokusebenza ngokusekelwe kumabhodi okuthuthukisa avuthiwe afana ne-Xilinx PYNQ-Z2 ne-Intel DE10-Nano ngaphambi kokuklama i-PCB yangokwezifiso. I-interface ye-USB esemkhunjini nezinsiza ezingaphandle zingaqinisekisa ngokushesha ukutholakala kwe-UVC stack ne-AXI bridge logic, kunciphisa ubungozi bokulungiswa kwehardware.
2. Sebenzisa kabusha ama-IP cores asemthethweni akhiwe ngaphambilini: Sebenzisa ngokugcwele ama-USB host asemthethweni, i-UVC protocol kanye nama-AXI bridge IP cores anikezwa yi-Xilinx ne-Intel. Ama-IP cores aqinisekisiwe angagwema umsebenzi wokuphinda uthuthukise futhi afinyeze kakhulu umjikelezo wephrojekthi.
3. Ukulungisa amaphutha okuxhumana kwe-USB okujwayelekile: Sebenzisa amathuluzi ochwepheshe afana ne-Ellisys USB Explorer ne-LeCroy USB Analyzer ukuze ubambe idatha yokudluliswa kwe-USB, uthole ukwehluleka kokubhaliswa kwedivayisi namaphutha okuhlaziya iphrothokholi. Sebenzisa amathuluzi e-Vivado Logic Analyzer ne-Quartus SignalTap ukuze uqaphe izignali zebhasi yangaphakathi ye-FPGA nesimo sokucubungula ngesikhathi sangempela.
4. Ukuthuthukiswa kokubambezeleka kohlelo: Sebenzisa ama-USB isochronous endpoints ukuze uthumele ividiyo ngesikhathi sangempela; lungisa ama-cache buffer amancane anosayizi ogxilile ukuze unciphise ukubambezeleka kokugcinwa kwedatha; sebenzisa ubuchwepheshe be-FPGA pipeline nokucubungula okuhambisanayo ukuze usheshise ukusebenza kwe-algorithm; xhuma ikhamera ngqo ku-PHY chip futhi ugweme ama-USB hubs ukuze ususe ukubambezeleka okwengeziwe.
Izitayela Zokuthuthuka Ezizayo
Ngokuthuthukiswa okuphindaphindwayo kwezindinganiso zokudlulisa ze-USB nobuchwepheshe be-chip ye-FPGA, izinhlelo zokubona ezihlanganisiwe ze-USB camera-FPGA zizothuthuka zibheke kumkhawulo ophezulu, ukulibaziseka okuphansi nomkhawulo ophansi. Izitayela ezintathu eziyinhloko zokuthuthuka zimi kanje.
1. Ukusakazwa kokuhlanganiswa kwe-USB4 ne-Thunderbolt: Izixhumanisi ze-USB4 ne-Thunderbolt 4 zisekela umkhawulo womthamo we-40Gbps, okwenza kube nokwenzeka ukucubungula ngesikhathi sangempela ividiyo ye-8K enekhwalithi ephezulu kakhulu. I-FPGA yesizukulwane esilandelayo izohlanganisa umqondo wokulawula we-USB4 wangaphakathi, kususe isidingo samachiphi angaphandle e-PHY, futhi kunciphise ukubambezeleka kwesistimu nobukhulu be-hardware.
2. Ukwenza kube lula ukuthandwa kwe-FPGA edge AI enezindleko eziphansi: Ama-FPGA okungenela asezingeni eliphansi afana ne-Artix-7 ne-Cyclone V kancane kancane afakwa amamojula alula okusheshisa i-AI, okwenza kusebenze izinhlelo zokubona ze-edge AI ezinamandla aphansi nezindleko eziphansi emakhaya ahlakaniphile nakumadivayisi amancane e-IoT.
3. Ukwenziwa kube sezingeni lokuxhumana kwe-FPGA-USB: Izinhlangano zezimboni nabakhi bama-FPGA babambisana ekukhuthazeni ukwenziwa kube sezingeni kokuhlanganiswa kwe-USB-FPGA, bethula imiklamo eyisisekelo emunye nama-IP cores ajwayelekile, behlisa izinga lobuchwepheshe kubahleli, futhi benza ukuthi ukusetshenziswa kwezinhlelo zokubona kusheshe.
Isiphetho
I-architecture yokuhlanganisa eqondile engena-CPU ixazulula ngokuphelele izinkinga zokubambezeleka nokumoshwa kwezinsiza ezivela ezixazululweni zendabuko ze-USB camera-FPGA. I-stack ye-UVC protocol esekelwe ku-FPGA kanye ne-USB-to-AXI bridge amasu amabili ayinhloko anika amandla okusebenza kwe-FPGA okuhambisanayo nokusheshisa ihadiwe, okuthola ukudluliswa okunokubambezeleka okuphansi kakhulu, ukulawulwa kwepharamitha yekhamera ngesikhathi sangempela kanye nokusetshenziswa kwezinsiza ngendlela efanele. Lezi zixazululo zisebenza kabanzi ezimweni zokuhlola izimboni, ukuqapha kwezokwelapha, ukubona kwezimoto kanye ne-edge AI. Ekuthuthukisweni kobunjiniyela kwangempela, ukusebenza kwesistimu kungakhuliswa ngokufanisa ihadiwe ngendlela efanele, ukusetshenziswa kabusha kwe-IP core esemthethweni kanye nokuthuthukiswa okugxilile kokubambezeleka. Njengoba izimiso zokudlulisa namandla ama-chip ziqhubeka nokuthuthuka, izistimu zokubona ezihlanganisiwe ze-USB camera-FPGA zizoba yisixazululo esiyinhloko esinezindleko eziphansi nokusebenza okuphezulu emkhakheni we-edge real-time vision.
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