Intel AN 889 8K DisplayPort Video Format Conversion Design Example

Za 8K DisplayPort Video Format Conversion Design Example

The 8K DisplayPort Video Format Conversion Design Example amaphatikiza Intel DisplayPort 1.4 kanema yolumikizira IP ndi payipi yokonza makanema. Kapangidwe kake kamapereka makulitsidwe apamwamba kwambiri, kusinthika kwa malo, ndikusintha kwamitengo yamakanema mpaka 8K pazithunzi 30 pamphindikati, kapena 4K pamafelemu 60 pamphindikati.
Mapangidwe ake ndi mapulogalamu apamwamba kwambiri komanso ma hardware osinthika, omwe amathandizira kasinthidwe kachitidwe mwachangu ndikukonzanso. Kapangidwe kake kamayang'ana zida za Intel® Arria® 10 ndipo amagwiritsa ntchito Intel FPGA IP yaposachedwa kwambiri ya 8K kuchokera pa Video ndi Image Processing Suite mu Intel Quartus® Prime v19.2.

Za DisplayPort Intel FPGA IP
Kuti mupange mapangidwe a Intel Arria 10 FPGA okhala ndi mawonekedwe a DisplayPort, yambitsani DisplayPort Intel FPGA IP. Komabe, DisplayPort IP iyi imangogwiritsa ntchito protocol kapena decode ya DisplayPort. Sichiphatikizirapo ma transceivers, PLLs, kapena transceiver reconfiguration ntchito zofunikira kuti agwiritse ntchito chigawo chothamanga kwambiri cha mawonekedwe. Intel imapereka ma transceiver osiyana, PLL, ndikusinthanso zida za IP. Kusankha, kuyika magawo, ndi kulumikiza zigawozi kuti mupange cholandirira chokwanira cha DisplayPort kapena mawonekedwe a transmitter kumafuna chidziwitso chapadera.
Intel imapereka mapangidwe awa kwa iwo omwe si akatswiri a transceiver. GUI ya parameter editor ya DisplayPort IP imakupatsani mwayi wopanga mapangidwewo.
Mumapanga chitsanzo cha DisplayPort IP (chomwe chingakhale cholandira chokha, chotumizira okha kapena cholandirira pamodzi ndi chotumizira) mu Platform Designer kapena IP Catalog. Mukayika mawonekedwe a DisplayPort IP, mutha kusankha kuti mupange example design kwa kasinthidwe komweko. Mapangidwe ophatikizika olandila ndi ma transmitter ndi njira yosavuta yodutsa, pomwe zotuluka kuchokera kwa wolandila zimadya mwachindunji kupita ku transmitter. Mapangidwe osasunthika amapangitsa wolandila wogwira ntchito mokwanira PHY, transmitter PHY, ndi midadada yokonzanso yomwe imagwiritsa ntchito malingaliro onse a transceiver ndi PLL. Mutha kukopera mwachindunji magawo okhudzana ndi kapangidwe kake, kapena kugwiritsa ntchito kapangidwe kake ngati kalozera. Kapangidwe kake kamapanga DisplayPort Intel Arria 10 FPGA IP Design Example ndikuwonjezera zambiri za files amapangidwa mwachindunji pamndandanda wophatikizidwa womwe umagwiritsidwa ntchito ndi Intel Quartus Prime project. Izi zikuphatikizapo:

• Files kuti apange ma IP a parameterized ma transceivers, PLLs ndi ma block block.
• Mtundu wa HDL files kulumikiza ma IP awa pamlingo wapamwamba wolandila PHY, transmitter PHY, ndi midadada ya Transceiver Reconfiguration Arbiter
• Synopsys Design Constraint (SDC) files kukhazikitsa zolepheretsa zoyenera nthawi.

Mawonekedwe a 8K DisplayPort Video Format Conversion Design Example

• Zolowetsa:
  • Kulumikizana kwa DisplayPort 1.4 kumathandizira kusamvana kuchokera pa 720 × 480 mpaka 3840 × 2160 pamlingo uliwonse mpaka 60 fps, ndi malingaliro mpaka 7680 × 4320 pa 30 fps.
  • Chithandizo cha hot-plug.
  • Kuthandizira kwamitundu yonse ya RGB ndi YCbCr (4:4:4, 4:2:2 ndi 4:2:0) pa
    kulowa.
  • Mapulogalamu amazindikira okha mawonekedwe olowera ndikukhazikitsa mapaipi okonzekera moyenera.
• Zotulutsa:
  • Kulumikizana kwa DisplayPort 1.4 kungasankhidwe (kudzera ma switch a DIP) mwina 1080p, 1080i kapena 2160p resolution pa 60 fps, kapena 2160p pa 30 fps.
  • Chithandizo cha hot-plug.
  • Masiwichi a DIP kuti akhazikitse mtundu wofunikira wa mtundu kukhala RGB, YCbCr 4:4:4, YCbCr 4:2:2, kapena YCbCr 4:2:0.
• Paipi imodzi yokha ya 10-bit 8K RGB yokhala ndi makulitsidwe osinthika apulogalamu ndi kutembenuka kwa chimango:
  • 12-pampopi Lanczos pansi-scaler.
  • 16-gawo, 4-pampopi Lanczos up-scaler.
  • Katatu buffering kanema chimango bafa amapereka chimango mlingo kutembenuka.
  • Chosakaniza chokhala ndi alpha-blending chimalola kuti zithunzi za OSD zikhale pamwamba.

Kuyamba ndi 8K DisplayPort Video Format Conversion Design Example

Zofunikira pa Hardware ndi Mapulogalamu

The 8K DisplayPort Video Format Conversion Design Example amafuna hardware ndi mapulogalamu.

Zida:

• Intel Arria 10 GX FPGA Development Kit, kuphatikiza DDR4 Hilo Daughter Card
• Bitec DisplayPort 1.4 FMC khadi (yosinthidwa 11)
• Gwero la DisplayPort 1.4 lomwe limapanga mpaka 3840x2160p60 kapena 7680x4320p30 kanema
• Sink ya DisplayPort 1.4 yomwe imawonetsa mpaka kanema wa 3840x2160p60
• VESA certified DisplayPort 1.4 zingwe.

Mapulogalamu:

• Windows kapena Linux OS
• Intel Quartus Prime Design Suite v19.2, yomwe ikuphatikiza:
  • Intel Quartus Prime Pro Edition
  • Wopanga nsanja
  • Nios® II EDS
  • Intel FPGA IP Library (kuphatikiza Video ndi Image Processing Suite)

Kapangidwe kake kamagwira ntchito ndi mtundu uwu wa Intel Quartus Prime.

Kutsitsa ndi Kuyika Intel 8K DisplayPort Video Format Conversion Design Example

Mapangidwewo akupezeka pa Intel Design Store.

1. Tsitsani pulojekiti yosungidwa file udx10_dp.par.
2. Chotsani pulojekiti ya Intel Quartus Prime kuchokera pazosungidwa:
   • a. Tsegulani Intel Quartus Prime Pro Edition.
   • b. Dinani File ➤ Open Project.
     Zenera la Open Project limatsegulidwa.
   • c. Pitani ndikusankha udx10_dp.par file.
   • d. Dinani Open.
   • e. Pawindo la Open Design Template, ikani foda ya Kopita kumalo omwe mukufuna pulojekiti yotengedwa. Zolemba za template yopangira file ndipo dzina la polojekiti liyenera kukhala lolondola ndipo simuyenera kusintha.
   • f. Dinani Chabwino.

Kupanga Files ya Intel 8K DisplayPort Video Format Conversion Design Example

Table 1. Kupanga Files

File kapena Dzina lachikwatu	Kufotokozera
ip	Muli chitsanzo cha IP files pazochitika zonse za Intel FPGA IP pamapangidwe: • A DisplayPort IP (transmitter ndi wolandila) • PLL yomwe imapanga mawotchi pamtunda wapamwamba wa mapangidwe • Ma IP onse omwe amapanga Platform Designer system ya payipi yokonza.
master_chithunzi	Muli pre_compiled.sof, yomwe ndi pulogalamu yopangidwa kale file za kapangidwe.
non_acds_ip	Muli ndi ma code source a IP owonjezera pamapangidwe awa omwe Intel Quartus Prime samaphatikiza.
sdc ndi	Muli ndi SDC file zomwe zimafotokoza zovuta zowonjezera nthawi zomwe mapangidwewa amafunikira. Chithunzi cha SDC filezophatikizidwa zokha ndi zochitika za IP sizigwira zopinga izi.
mapulogalamu	Lili ndi code source, library, and build scripts for the software that run on ombedded Nios II purosesa kuti azilamulira ntchito zapamwamba za mapangidwe.
udx10_dp	Foda yomwe Intel Quartus Prime imatulutsa zotulutsa files ya Platform Designer system. Zotsatira za udx10_dp.sopcinfo file kumakupatsani mwayi wopanga kukumbukira kukumbukira file kwa Nios II processor memory memory. Simukuyenera kupanga kaye dongosolo lonse la Platform Designer.
non_acds_ip.ipx	IPX iyi file imalengeza ma IP onse mufoda ya non_acds_ip ku Platform Designer kotero kuti iwonekere mu IP Library.
README.txt	Malangizo achidule omanga ndi kuyendetsa mapangidwewo.
pamwamba.qpf	Ntchito ya Intel Quartus Prime file za kapangidwe.
pamwamba.qsf	Zokonda za Intel Quartus Prime project file za kapangidwe. Izi file amalemba zonse files zofunika kupanga mapangidwe, pamodzi ndi ma pini ntchito ndi zina zingapo zoikamo polojekiti.
pamwamba.v	Mtundu wapamwamba kwambiri wa Verilog HDL file za kapangidwe.
udx10_dp.qsys	Dongosolo la Platform Designer lomwe lili ndi mapaipi opangira makanema, purosesa ya Nios II, ndi zotumphukira zake.

Kupanga 8K DisplayPort Video Format Conversion Design Example
Intel imapereka pulogalamu ya board yokonzedweratu file kwa mapangidwe mu bukhu la master_image (pre_compiled.sof) kukulolani kuti mugwiritse ntchito mapangidwe osagwiritsa ntchito zonse.
ZOCHITA:

1. Mu pulogalamu ya Intel Quartus Prime, tsegulani polojekiti ya top.qpf file. Zosungidwa zakale zomwe zidatsitsidwa zimapanga izi file mukatsegula zip polojekiti.
2. Dinani File ➤ Tsegulani ndikusankha ip/dp_rx_tx/dp_rx_tx.ip. GUI ya parameter GUI ya DisplayPort IP imatsegula, kuwonetsa magawo a chiwonetsero cha DisplayPort pamapangidwe.
3. Dinani Pangani Example Design (osati Pangani).
4. M'badwo ukamaliza, tsekani mkonzi wa parameter.
5. In File Explorer, yendani kumalo osungirako mapulogalamu ndikutsegula vip_control_src.zip archive kuti mupange vip_control_src directory.
6. Mu terminal ya BASH, pitani ku software/script ndikuyendetsa chipolopolo build_sw.sh.
   Cholembacho chimapanga pulogalamu ya Nios II pamapangidwewo. Zimapanga zonse .elf file kuti mukhoza kukopera kwa bolodi pa nthawi kuthamanga, ndi .hex file kusonkhanitsa mu boarding programming .sof file.
7. Mu pulogalamu ya Intel Quartus Prime, dinani Processing ➤ Yambani Kuphatikiza.
   • Intel Quartus Prime imapanga udx10_dp.qsys Platform Designer system.
   • Intel Quartus Prime imayika pulojekitiyi kukhala top.qpf.

Kuphatikiza kumapanga top.sof mu zotuluka_files directory ikamaliza.

Viewing ndi Kukonzanso Platform Designer System

1. Dinani Zida ➤ Wopanga nsanja.
2. Sankhani dongosolo name.qsys pa njira ya Platform Designer system.
3. Dinani Open.
   Platform Designer amatsegula dongosolo.
4. Review dongosolo.
5. Panganinso dongosolo:
   • a. Dinani Pangani HDL….
   • b. Pazenera la Generation, tsegulani zolembera za Chotsani zotuluka pamibadwo yosankhidwa.
   • c. Dinani Pangani

Kupanga 8K DisplayPort Video Format Conversion Design Exampndi Nios II Software Build Tools for Eclipse
Mumakhazikitsa malo ogwirira ntchito a Nios II Eclipse kuti mapangidwewo apange malo ogwirira ntchito omwe amagwiritsa ntchito zikwatu zomwezo zomwe script yomanga imagwiritsa ntchito. Ngati mumayendetsa kale zolemba, muyenera kuchotsa mapulogalamu / vip_control ndi mapulogalamu / vip_control_bsp musanapange malo ogwirira ntchito a Eclipse. Mukayambiranso kumanganso script nthawi iliyonse imachotsa malo ogwirira ntchito a Eclipse.
ZOCHITA:

1. Yendetsani ku chikwatu cha mapulogalamu ndikutsegula vip_control_src.zip archive kuti mupange vip_control_src directory.
2. M'ndandanda wa polojekiti yomwe yaikidwa, pangani foda yatsopano ndikuyitcha malo ogwirira ntchito.
3. Mu pulogalamu ya Intel Quartus Prime, dinani Zida ➤ Nios II Software Build Tools for Eclipse.
   • a. Pazenera la Workspace Launcher, sankhani chikwatu cha malo ogwirira ntchito omwe mudapanga.
   • b. Dinani Chabwino.
4. Pazenera la Nios II - Eclipse, dinani File ➤ Chatsopano ➤ Ntchito ya Nios II ndi BSP kuchokera ku Template.
   Ntchito ya Nios II ndi BSP kuchokera ku Template dialog box ikuwonekera.
   • a. Mu SOPC Information File bokosi, sankhani udx10_dp/ udx10_dp.sopcinfo file. Nios II SBT ya Eclipse imadzaza dzina la CPU ndi dzina la purosesa kuchokera ku .sopcinfo file.
   • b. Mu bokosi la dzina la Project, lembani vip_control.
   • c. Sankhani Ntchito Yopanda kanthu kuchokera pamndandanda wa Ma templates.
   • d. Dinani Kenako.
   • e. Sankhani Pangani pulojekiti yatsopano ya BSP kutengera template ya polojekiti yokhala ndi dzina la pulojekiti vip_control_bsp.
   • f. Yatsani Gwiritsani ntchito malo okhazikika.
   • g. Dinani Malizani kulenga ntchito ndi BSP zochokera .sopcinfo file.
     BSP ikapanga, ma vip_control ndi vip_control_bsp amawonekera pagawo la Project Explorer.
5. Mu Windows Explorer, koperani zomwe zili mu pulogalamuyo/vip_control_src ku chikwatu chatsopanocho/vip_control.
6. Patsamba la Project Explorer la zenera la Nios II - Eclipse, dinani kumanja vip_control_bsp chikwatu ndikusankha Nios II> BSP Editior.
   • a. Sankhani Palibe kuchokera pazotsitsa za sys_clk_timer.
   • b. Sankhani cpu_timer kuchokera pa menyu yotsikira nthawiamp_nthawi.
   • c. Yatsani enable_small_c_library.
   • d. Dinani Pangani.
   • e. Kupanga kukamaliza, dinani Tulukani.
7. Patsamba la Project Explorer, dinani kumanja chikwatu cha vip_control ndikudina Properties.
   1. a. Mu Properties for vip_control zenera, onjezerani katundu wa Nios II ndikudina Njira Zogwiritsira Ntchito za Nios II.
   2. b. Dinani Add... pafupi ndi Library Projects.
   3. c. Muwindo la Library Projects, pitani ku udx10.dp\spftware\vip_control_src chikwatu ndikusankha bukhu la bkc_dprx.syslib.
   4. d. Dinani Chabwino. Uthenga umawonekera Sinthani kukhala njira yofananira. Dinani Inde.
   5. e. Bwerezerani masitepe 7.b patsamba 8 ndi 7.c patsamba 8 pazikwatu za bkc_dptx.syslib ndi bkc_dptxll_syslib
   6. f. Dinani Chabwino.
8. Sankhani Ntchito ➤ Pangani Zonse kuti mupange file vip_control.elf mu pulogalamu ya software/vip_control.
9. Pangani mem_init file kwa Intel Quartus Prime compilation:
   1. a. Dinani kumanja vip_control pawindo la Project Explorer.
   2. b. Sankhani Pangani Zolinga ➤ Mangani….
   3. c. Sankhani mem_init_generate.
      d. Dinani Pangani.
      Pulogalamu ya Intel Quartus Prime imapanga ma
      udx10_dp_onchip_memory2_0_onchip_memory2_0.hex file mu mapulogalamu/vip_control/mem_init directory.
10. Ndi mapangidwe omwe akuyenda pa bolodi yolumikizidwa, yendetsani vip_control.elf pulogalamu file yopangidwa ndi Eclipse build.
    • a. Dinani kumanja vip_control chikwatu pagawo la Project Explorer pawindo la Nios II -Eclipse.
    • b. Kusankha Thamangani Monga ➤ Nios II Hardware. Ngati muli ndi zenera la Nios II lotseguka, tsekani musanatsitse pulogalamu yatsopano.

Kukhazikitsa Intel Arria 10 GX FPGA Development Kit
Imafotokoza momwe mungakhazikitsire zida kuti muyendetse 8K DisplayPort Video Format Conversion Design Example.

Chithunzi 1. Intel Arria 10 GX Development Kit ndi HiLo Daughter Card
Chithunzichi chikuwonetsa bolodi lomwe lili ndi sinki yotenthetsera yabuluu yochotsedwa kuti iwonetse mawonekedwe a DDR4 Hilo khadi. Intel ikulimbikitsa kuti musamayendetse mapangidwewo popanda choyatsira kutentha pamalo.

ZOCHITA:

1. Konzani khadi la Bitec DisplayPort 1.4 FMC ku bolodi lachitukuko pogwiritsa ntchito FMC Port A.
2. Onetsetsani kuti cholumikizira magetsi (SW1) ndichozimitsidwa, kenako kulumikiza cholumikizira magetsi.
3. Lumikizani chingwe cha USB ku kompyuta yanu ndi MicroUSB cholumikizira (J3) pa bolodi yachitukuko.
4. Ikani chingwe cha DisplayPort 1.4 pakati pa gwero la DisplayPort ndi doko la Receiver la Bitec DisplayPort 1.4 FMC khadi ndikuwonetsetsa kuti gwero likugwira ntchito.
5. Ikani chingwe cha DisplayPort 1.4 pakati pa chiwonetsero cha DisplayPort ndi doko la Transmitter la Bitec DisplayPort 1.4 FMC khadi ndikuwonetsetsa kuti chiwonetserochi chikugwira ntchito.
6. Yatsani bolodi pogwiritsa ntchito SW1.

Ma LED a Board Status, Makatani Mabatani ndi Kusintha kwa DIP
Intel Arria 10 GX FPGA Development Kit ili ndi ma LED asanu ndi atatu (omwe ali ndi zobiriwira zobiriwira ndi zofiira), mabatani atatu okankhira ogwiritsa ntchito ndi ma switch asanu ndi atatu a DIP. The 8K DisplayPort Video Format Conversion Design Example imawunikira ma LED kuti iwonetse momwe ulalo wolandila wa DisplayPort ulili. Mabatani okankhira ndi masinthidwe a DIP amakulolani kuti musinthe makonzedwe apangidwe.

Maudindo a LED

Table 2. Ma LED amtundu

LED	Kufotokozera
Ma LED ofiira
0	Kusintha kwa DDR4 EMIF kuli mkati.
1	Kuwongolera kwa DDR4 EMIF kwalephera.
7:2	Zosagwiritsidwa ntchito.
Ma LED obiriwira
0	Imawunikira pamene maphunziro a ulalo wa DisplayPort amaliza bwino, ndipo kapangidwe kake kamalandira kanema wokhazikika.
5:1	Chiwerengero cha njira yolandirira DisplayPort: 00001 = 1 msewu 00010 = 2 njira 00100 = 4 njira
7:6	Kuthamanga kwa njira ya DisplayPort: 00 = 1.62 Gbps 01 = 2.7 Gbps 10 = 5.4 Gbps 11 = 8.1 Gbps

Tebulo limatchula mawonekedwe omwe LED iliyonse imawonetsa. Malo aliwonse a LED ali ndi zizindikiro zofiira ndi zobiriwira zomwe zimatha kuwunikira paokha. Ma LED aliwonse owala lalanje amatanthauza kuti zizindikiro zofiira ndi zobiriwira zili.

Mabatani Ogwiritsa Ntchito
Batani lokankhira wogwiritsa 0 limayang'anira kuwonetsedwa kwa logo ya Intel pakona yakumanja yakumanja kwa zotulutsa. Poyambira, mapangidwewo amathandizira kuwonetsa logo. Kukanikiza batani 0 kumapangitsa kuti logo iwonetsedwe. Kankhani batani 1 amawongolera makulitsidwe apangidwe. Pamene gwero kapena sinki yatenthedwa, mapangidwe ake amasinthidwa kukhala:

• Passthrough mode, ngati kusintha kolowera kuli kochepa kapena kofanana ndi kutulutsa
• Downscale mode, ngati lingaliro lolowera ndilokulirapo kuposa lingaliro lotulutsa

Nthawi iliyonse mukasindikiza batani la wosuta 1 mapangidwewo amasinthidwa kupita kumtundu wotsatira (kudutsa> upscale, upscale> downscale, downscale> passthrough). Kankhani batani 2 la ogwiritsa ntchito.

Kusintha kwa Ogwiritsa DIP
Masinthidwe a DIP amawongolera kusindikiza kosankha kwa Nios II ndi makonzedwe amtundu wamavidiyo omwe amayendetsedwa kudzera pa DisplayPort transmitter.

Table 3. Kusintha kwa DIP
Tebulo limatchula ntchito ya switch iliyonse ya DIP. Zosintha za DIP, zowerengera 1 mpaka 8 (osati 0 mpaka 7), zimagwirizana ndi manambala osindikizidwa pagawo losinthira. Kuti muyike chosinthira chilichonse kuti chiyatse, sunthani chosinthira choyera kupita ku LCD ndikutalikirana ndi ma LED omwe ali pa bolodi.

Sinthani	Ntchito
1	Imayatsa kusindikiza kwa terminal ya Nios II ikayikidwa ON.
2	Khazikitsani zotulutsa pamtundu uliwonse: ONSE = 8 pang'ono ON = 10 pang'ono
4:3	Khalani linanena bungwe mtundu danga ndi sampling: SW4 WOZIMA, SW3 WOZIMA = RGB 4:4:4 SW4 WOZITSA, SW3 ON = YCbCr 4:4:4 SW4 ON, SW3 WODZIMA = YCbCr 4:2:2 SW4 ON, SW3 ON = YCbCr 4:2:0
6:5	Khazikitsani kusamvana ndi mtengo wa chimango: SW4 OFF, SW3 OFF = 4K60 SW4 WODZIMA, SW3 ON = 4K30 SW4 ON, SW3 WODZIMA = 1080p60 SW4 ON, SW3 ON = 1080i60
8:7	Zosagwiritsidwa ntchito

Kuthamanga kwa 8K DisplayPort Video Format Conversion Design Example
Muyenera kukopera analemba .sof file pakupanga kwa Intel Arria 10 GX FPGA Development Kit kuti ayendetse mapangidwewo.
ZOCHITA:

1. Mu pulogalamu ya Intel Quartus Prime, dinani Zida ➤ Programmer.
2. Pazenera la Programmer, dinani Auto Detect kuti muone JTAG unyolo ndikupeza zida zolumikizidwa.
   Ngati zenera la pop-up likuwoneka likukupemphani kuti musinthe mndandanda wa zida za Programmer, dinani Inde.
3. Pamndandanda wa zida, sankhani mzere wolembedwa 10AX115S2F45.
4. Dinani Sinthani File…
   • Kuti mugwiritse ntchito pulogalamu yomwe idapangidwa kale file zomwe Intel ikuphatikiza monga gawo la kutsitsa kwapangidwe, sankhani master_image/pre_compiled.sof.
   • Kuti mugwiritse ntchito pulogalamu yanu file zopangidwa ndi gulu lapafupi, sankhani output_files/top.sof.
5. Yatsani Pulogalamu/Sinthani mumzere wa 10AX115S2F45 pamndandanda wazipangizo.
6. Dinani Yambani.
   Wopanga mapulogalamu akamaliza, mapangidwe ake amayenda okha.
7. Tsegulani terminal ya Nios II kuti mulandire mameseji omwe amachokera pamapangidwewo, apo ayi mapangidwewo amatsekeka pambuyo pakusintha kangapo (pokhapokha mutakhazikitsa wosuta DIP switch 1 to ON).
   • a. Tsegulani zenera la terminal ndikulemba nios2-terminal
   • b. Dinani Enter.

kugwirizana pa zolowetsa. Popanda gwero, zotulutsa zake ndi chinsalu chakuda chokhala ndi logo ya Intel pakona yakumanja kwa chinsalu.

Kufotokozera Kwamachitidwe a 8K DisplayPort Video Format Conversion Design Example

Dongosolo la Platform Designer, udx10_dp.qsys, lili ndi IP yolandila DisplayPort ndi transmitter protocol, IP pipeline IP, ndi purosesa ya Nios II. Mapangidwewa amalumikiza dongosolo la Platform Designer ku DisplayPort wolandila ndi transmitter PHY logic (yomwe ili ndi ma transceivers owonekera) ndi malingaliro osinthira transceiver pamlingo wapamwamba pamapangidwe a Verilog HDL RTL. file (pamwamba.v). Kapangidwe kameneka kamakhala ndi njira imodzi yosinthira makanema pakati pa zolowetsa za DisplayPort ndi zotulutsa za DisplayPort.

Chithunzi 2. Chithunzi Chojambulira
Chithunzichi chikuwonetsa midadada mu 8K DisplayPort Video Format Conversion Design Example. Chithunzichi sichikuwonetsa zotumphukira zina zolumikizidwa ndi Nios II, Avalon-MM pakati pa purosesa ya Nios II, ndi zigawo zina zadongosolo. Mapangidwewo amavomereza kanema kuchokera ku gwero la DisplayPort kumanzere, amakonza kanemayo kudzera papaipi yakanema kuchokera kumanzere kupita kumanja asanadutse kanemayo kuchipinda cha DisplayPort kumanja.

DisplayPort Receiver PHY ndi DisplayPort Receiver IP
Khadi la Bitec DisplayPort FMC limapereka chitetezo cha chizindikiro cha DisplayPort 1.4 kuchokera kugwero la DisplayPort. Kuphatikiza kwa DisplayPort Receiver PHY ndi DisplayPort Receiver IP kumasankha chizindikiro chomwe chikubwera kuti chipange mavidiyo. Wolandila DisplayPort PHY ali ndi ma transceivers kuti asokoneze zomwe zikubwera ndipo DisplayPort wolandila IP amasankha protocol ya DisplayPort. DisplayPort Receiver IP yophatikizika imayendetsa chizindikiro cha DisplayPort chomwe chikubwera popanda pulogalamu iliyonse. Kanema wotsatira kuchokera ku DisplayPort wolandila IP ndi mtundu wapaketi wokhala ndi paketi. Mapangidwewo amakonza cholandila cha DisplayPort kuti chizitulutsa 10-bit.

DisplayPort to Clock Video IP
Kutulutsa kwamtundu wamtundu wapaketi wopangidwa ndi wolandila wa DisplayPort sikugwirizana mwachindunji ndi mawonekedwe amakanema omwe ali ndi wotchi omwe Clock Video Input IP ikuyembekezera. DisplayPort to Clock Video IP ndi IP yachizolowezi pamapangidwe awa. Imatembenuza zotulutsa za DisplayPort kukhala mavidiyo omwe ali ndi wotchi yogwirizana kuti mutha kulumikizana mwachindunji ndi Kulowetsa Kanema Wotsekedwa. DisplayPort to Clocked Video IP imatha kusintha mawonekedwe a waya ndipo imatha kusintha madongosolo amitundu mkati mwa pixel iliyonse. Muyezo wa DisplayPort umatchula kuyitanitsa kwamitundu komwe kuli kosiyana ndi kuyitanitsa kwa IP mapaipi a Intel. Purosesa ya Nios II imayang'anira kusintha kwamitundu. Imawerenga malo omwe alipo kuti atumizidwe kuchokera ku DisplayPort wolandila IP yokhala ndi mawonekedwe a akapolo a Avalon-MM. Imawongolera DisplayPort ku Clock Video IP kuti igwiritse ntchito kuwongolera koyenera ndi mawonekedwe ake akapolo a Avalon-MM.

Kanema Wotsekeredwa
Makanema omwe ali ndi wotchi amawongolera mawonekedwe amakanema omwe ali ndi wotchi kuchokera ku DisplayPort kupita ku Clock Video IP ndikusinthira kukhala mawonekedwe a Avalon-ST Video. Mawonekedwe amtunduwu amachotsa zidziwitso zonse zopingasa komanso zoyima kuchokera mu kanema ndikusiya zithunzi zokhazokha. IP imayiyika ngati paketi imodzi pavidiyo iliyonse. Imawonjezeranso mapaketi owonjezera a metadata (omwe amatchedwa mapaketi owongolera) omwe amafotokoza kusintha kwa kanema aliyense. Mtsinje wa Avalon-ST Video kudzera mu chitoliro chokonzekera ndi ma pixel anayi ofanana, okhala ndi zizindikiro zitatu pa pixel. Makanema omwe ali ndi wotchipa amapereka kuwoloka kwa wotchiyo kuchokera pamlingo wosinthika wowotchika kuchokera pa IP yolandila ya DisplayPort kupita pamlingo wokhazikika wa wotchi (300 MHz) papaipi yapavidiyo ya IP.

Stream Cleaner
Chotsukira mtsinje chimawonetsetsa kuti chizindikiro cha Avalon-ST Video chomwe chikudutsa paipi yokonza sichikhala cholakwika. Kutsegula kotentha kwa gwero la DisplayPort kumatha kupangitsa kuti mapangidwewo awonetse mafelemu osakwanira a data ku IP yoyika mavidiyo omwe ali ndi wotchi komanso kuti apange zolakwika pamtsinje wa Avalon-ST Video. Kukula kwa mapaketi okhala ndi data yamakanema pa chimango chilichonse ndiye kuti sikufanana ndi kukula komwe kumanenedwa ndi mapaketi owongolera omwe amagwirizana. Wotsuka mtsinje amazindikira izi ndikuwonjezera zina (ma pixel otuwa) mpaka kumapeto kwa mapaketi amakanema okhumudwitsa kuti amalize chimango ndikufananiza zomwe zili mu paketi yowongolera.

Chroma Resampler (zolowera)
Zambiri zamakanema zomwe kapangidwe kake kamalandira kuchokera ku DisplayPort zitha kukhala 4:4:4, 4:2:2, kapena 4:2:0 chroma s.ampLed. Kuyika kwa chroma resampler amatenga kanema wobwera mumtundu uliwonse ndikusintha kukhala 4:4:4 nthawi zonse. Kuti apereke mawonekedwe apamwamba kwambiri, chroma resampler amagwiritsa ntchito algorithm yotsika mtengo kwambiri yosefedwa. Purosesa ya Nios II imawerenga chroma sampling kuchokera pa DisplayPort wolandila IP kudzera pa mawonekedwe ake akapolo a Avalon-MM. Imalumikizana ndi mawonekedwe ku chroma resampler kudzera pa mawonekedwe ake akapolo a Avalon-MM.

Color Space Converter (zolowera)
Makanema olowera kuchokera ku DisplayPort atha kugwiritsa ntchito malo amtundu wa RGB kapena YCbCr. Chosinthira chamtundu wamtundu wolowetsa chimatenga kanema wobwera mwanjira iliyonse yomwe ifika ndikuisintha kukhala RGB nthawi zonse. Purosesa ya Nios II imawerenga malo amtundu wapano kuchokera ku DisplayPort wolandila IP ndi mawonekedwe ake akapolo a Avalon-MM; imakweza ma conversion coefficients olondola ku chroma resampler kudzera mu mawonekedwe ake akapolo a Avalon-MM.

Clipper
Chodulira chimasankha malo omwe akugwira ntchito kuchokera pamakanema omwe akubwera ndikutaya zotsalazo. Kuwongolera kwa mapulogalamu omwe akuyenda pa purosesa ya Nios II kumatanthawuza dera loti musankhe. Deralo limatengera kusamvana kwa zomwe zalandilidwa pa gwero la DisplayPort komanso mawonekedwe otulutsa ndi makulitsidwe. Purosesa imalumikizana ndi dera ku Clipper kudzera mu mawonekedwe ake akapolo a Avalon-MM.

Scaler
Kapangidwe kake kamagwira ntchito pakukweza mavidiyo omwe akubwera molingana ndi malingaliro omwe alandilidwa, komanso mawonekedwe omwe mukufuna. Mukhozanso kusankha pakati pa mitundu itatu yokweza (upscale, downscale and passthrough). Ma Scalar IP awiri amapereka magwiridwe antchito: imodzi imagwiritsa ntchito kutsitsa komwe kumafunikira; zida zina zowonjezera. Mapangidwe amafunikira ma scalers awiri.

• Pamene scaler imagwiritsa ntchito kutsika, sikutulutsa deta yolondola pa nthawi iliyonse yozungulira pawotchi yake. Za example, ngati mukugwiritsa ntchito chiŵerengero cha 2x kutsika, chizindikiro chovomerezeka pa zotulukapo chimakhala chokwera nthawi ina iliyonse pamene mapangidwe amalandira mzere uliwonse wolowetsamo manambala, ndiyeno otsika pamizere yonse yolowera manambala osamvetseka. Mchitidwe wophulikawu ndi wofunikira kwambiri pakuchepetsa kuchuluka kwa deta pazomwe zimatuluka, koma sizigwirizana ndi kutsika kwa Mixer IP, yomwe nthawi zambiri imayembekezera kuchuluka kwa data kosasinthasintha kuti zisawonongeke. Mapangidwe amafunikira Frame Buffer pakati pa downscale iliyonse ndi chosakanizira. Frame Buffer imalola Wosakaniza kuti awerenge zambiri pamlingo womwe amafunikira.
• Pamene scaler ikugwiritsa ntchito upscale, imapanga deta yovomerezeka pa nthawi iliyonse, kotero chosakaniza chotsatirachi chilibe zovuta. Komabe, mwina sichingavomereze zolowetsa zatsopano pamawotchi aliwonse. Kutenga 2x upscale ngati example, pamizere yotulutsa manambala imavomereza kugunda kwatsopano kwa mawotchi ena aliwonse, kenako salandira chidziwitso chatsopano pamizere yotulutsa manambala osamvetseka. Komabe, Clipper yakumtunda imatha kutulutsa deta pamlingo wosiyana kwambiri ngati ikugwiritsa ntchito kagawo kakang'ono (mwachitsanzo pakuwonera). Chifukwa chake, Clipper ndi upscale ziyenera kulekanitsidwa ndi Frame Buffer, zomwe zimafuna kuti Scaler ikhale pambuyo pa Frame Buffer mupaipi. The Scaler iyenera kukhala patsogolo pa Frame Buffer ya downscales, kotero mapangidwe ake amagwiritsa ntchito masikelo awiri osiyana mbali zonse za Frame Buffer: imodzi yokwera; chinacho chotsitsa.

Ma Scalers awiri amachepetsanso kuchuluka kwa DDR4 bandwidth yofunidwa ndi Frame Buffer. Nthawi zonse muyenera kuyika zotsitsa pamaso pa Frame Buffer, kuchepetsa kuchuluka kwa data kumbali yolemba. Nthawi zonse ikani ma upscales pambuyo pa Frame Buffer, yomwe imachepetsa kuchuluka kwa data kumbali yowerengera. Scaler iliyonse imapeza zofunikira zolowera kuchokera pamapaketi owongolera mumtsinje wa kanema womwe ukubwera, pomwe purosesa ya Nios II yokhala ndi mawonekedwe a akapolo a Avalon-MM imayika chigamulo cha Scaler iliyonse.

Buffer ya chimango
Chosungira chimango chimagwiritsa ntchito kukumbukira kwa DDR4 kuti ipangitse kubisa katatu komwe kumalola payipi yokonza kanema ndi zithunzi kuti isinthe mawonekedwe pakati pa mitengo yomwe ikubwera ndi yotuluka. Mapangidwewo amatha kuvomereza chiwongolero chilichonse cholowetsa, koma kuchuluka kwa pixel kuyenera kupitilira ma giga pixels pa sekondi imodzi. Pulogalamu ya Nios II imayika chiwongola dzanja ku 1 kapena 30 fps, malinga ndi zomwe mwasankha. Kuchuluka kwa chimango ndi ntchito ya makonda a Clock Video Output ndi wotchi ya pixel yotulutsa kanema. Kubwerera kumbuyo komwe Kutulutsa Kanema Wotsekedwa kumakhudza paipi kumatsimikizira kuchuluka komwe mbali yowerengedwa ya Frame Buffer imakoka mafelemu a kanema kuchokera ku DDR60.

Wosakaniza
Chosakanizacho chimapanga chithunzi chokhazikika chakuda chakumbuyo chomwe purosesa ya Nios II ikugwirizana ndi kukula kwa chithunzi chomwe chilipo. Chosakaniza chimakhala ndi zolowetsa ziwiri. Kulowetsa koyamba kumalumikizana ndi upscaler kulola mapangidwe kuti awonetse zotuluka kuchokera papaipi yapavidiyo yomwe ilipo. Kulowetsa kwachiwiri kumalumikizana ndi block jenereta yazithunzi. Mapangidwe ake amangopangitsa kuti chosakaniziracho chilowetse koyamba chikazindikira vidiyo yokhazikika, yokhazikika pamakina omwe ali ndi wotchi. Chifukwa chake, kapangidwe kake kamakhala ndi chithunzi chokhazikika chotuluka pazotulutsa pomwe kutentha kumalowetsamo. Mapangidwe a alpha amaphatikiza chowonjezera chachiwiri kwa chosakanizira, cholumikizidwa ndi jenereta yazithunzi, pazithunzi zonse zakumbuyo ndi kanema wamapaipi owonekera 50%.

Colour Space Converter (zotulutsa)
Chosinthira chamtundu wamtundu wotulutsa chimasintha zolowetsa zamavidiyo a RGB kukhala malo amtundu wa RGB kapena YCbCr kutengera nthawi yoyendetsera pulogalamu.

Chroma Resampler (output)
Zotsatira za chroma resampler imatembenuza mawonekedwe kuchokera ku 4:4:4 kupita ku imodzi mwama 4:4:4, 4:2:2, kapena 4:2:0. Pulogalamuyi imayika mawonekedwe. Zotsatira za chroma resampler amagwiritsanso ntchito algorithm yosefera kuti akwaniritse makanema apamwamba kwambiri.

Kutulutsa Kanema Kotsekedwa
Makanema omwe ali ndi wotchi amasintha mtsinje wa Avalon-ST Video kukhala mawonekedwe amavidiyo omwe ali ndi wotchi. Makanema omwe ali ndi wotchi amawonjezera kubisala kopingasa komanso koyima komanso kulumikiza nthawi kuvidiyoyo. Purosesa ya Nios II imakonza zoikamo zoyenera pazotulutsa zamavidiyo omwe ali ndi wotchi kutengera kutulutsa komanso kuchuluka kwa chimango chomwe mukufuna. Makanema omwe ali ndi wotchi amasintha wotchiyo, kuchoka pawotchi yapaipi ya 300 MHz kupita kumlingo wosinthika wa kanema womwe watsekedwa.

Kanema Wotsekeredwa ku DisplayPort
Chigawo cha DisplayPort transmitter chimavomereza deta yopangidwa ngati kanema wowotchika. Kusiyanasiyana kwa ma siginecha a waya ndi kulengeza kwa njira zolumikizirana mu Platform Designer kumakulepheretsani kulumikiza Kutulutsa Kanema Wotsekedwa molunjika ku DisplayPort transmitter IP. Kanema Wotsekeredwa kupita ku DisplayPort chigawo ndi mawonekedwe apadera a IP kuti apereke kutembenuka kosavuta komwe kumafunikira pakati pa Kutulutsa Kanema Wotsekedwa ndi DisplayPort transmitter IP. Imasinthanitsanso kuyitanitsa kwamitundu yamitundu mu pixel iliyonse kuti iwerengere mitundu yosiyanasiyana yamitundu yogwiritsidwa ntchito ndi Avalon-ST Video ndi DisplayPort.

DisplayPort Transmitter IP ndi DisplayPort Transmitter PHY
DisplayPort transmitter IP ndi DisplayPort transmitter PHY palimodzi zimagwira ntchito kuti zisinthe mavidiyowo kuchokera ku kanema wotsekedwa kukhala mtsinje wa DisplayPort wogwirizana. DisplayPort transmitter IP imagwira ntchito ya DisplayPort protocol ndikuyika data yovomerezeka ya DisplayPort, pomwe DisplayPort transmitter PHY imakhala ndi ma transceivers ndikupanga kutulutsa kothamanga kwambiri.

Nios II purosesa ndi zotumphukira
Dongosolo la Platform Designer lili ndi purosesa ya Nios II, yomwe imayang'anira olandila a DisplayPort ndi ma transmitter IPs ndi makonzedwe a nthawi yoyendetsera mapaipi opangira. Purosesa ya Nios II imalumikizana ndi zotumphukira zoyambira izi:

• Chikumbutso cha pa-chip chosungira pulogalamuyo ndi deta yake.
• AJTAG UART kuwonetsa pulogalamu yosindikiza (kudzera pa Nios II terminal).
• Makina owerengera nthawi kuti apangitse kuchedwa kwa millisecond pamalo osiyanasiyana mu pulogalamuyo, monga momwe zimafunidwira ndi DisplayPort zautali wocheperako.
• Ma LED kuti awonetse mawonekedwe adongosolo.
• Makatani-batani osinthira kulola kusinthana pakati pa makulitsidwe ndi kuyatsa ndi kuletsa kuwonetsa kwa logo ya Intel.
• Masinthidwe a DIP kulola kusintha kwa mtundu wotuluka ndikuthandizira ndikuletsa kusindikiza kwa mauthenga ku terminal ya Nios II.

Zochitika zotentha pa gwero la DisplayPort ndi kusokoneza moto kumasokoneza zomwe zimayambitsa Nios II purosesa kuti akonze chosinthira cha DisplayPort ndi payipi molondola. Lupu lalikulu mu pulogalamu ya pulogalamuyo imayang'aniranso zomwe zimayendera mabatani ndi masinthidwe a DIP ndikusintha kukhazikitsidwa kwa mapaipi moyenerera.

I²C Controllers
Mapangidwewo ali ndi olamulira awiri a I²C (Si5338 ndi PS8460) kuti asinthe makonda azinthu zina zitatu pa Intel Arria 10 10 GX FPGA Development Kit. Ma jenereta awiri a wotchi a Si5338 pa Intel Arria 10 GX FPGA Development Kit amalumikizana ndi basi ya I²C yomweyo. Yoyamba imapanga wotchi yowunikira ya DDR4 EMIF. Mwachikhazikitso, wotchi iyi imayikidwa ku 100 MHz kuti igwiritsidwe ntchito ndi 1066 MHz DDR4, koma mapangidwewa amayendetsa DDR4 pa 1200 MHz, yomwe imafuna wotchi ya 150 MHz. Poyambitsa purosesa ya Nios II, kudzera pa I²C controller peripheral, imasintha makonda pamapu olembetsa a Si5338 yoyamba kuti awonjezere liwiro la wotchi ya DDR4 kukhala 150MHz. Jenereta yachiwiri ya wotchi ya Si5338 imapanga vid_clk ya kanema wotsekedwa pakati pa payipi ndi DisplayPort transmitter IP. Muyenera kusintha liwiro la wotchi iyi pakusintha kosiyanasiyana kosiyanasiyana ndi mtengo wa chimango mothandizidwa ndi kapangidwe kake. Mutha kusintha liwiro panthawi yothamanga pomwe purosesa ya Nios II ikufuna. Khadi la Bitec DisplayPort 1.4 FMC limagwiritsa ntchito Parade PS8460 jitter cleaner repeater ndi retimer. Poyambitsa purosesa ya Nios II imasintha zosintha zosasinthika za gawoli kuti likwaniritse zofunikira pamapangidwewo.

Kufotokozera Mapulogalamu

The 8K DisplayPort Video Format Conversion Design Example imaphatikizapo IP kuchokera ku Intel Video ndi Image Processing Suite ndi DisplayPort mawonekedwe IP Ma IP onsewa amatha kukonza mafelemu a data popanda kulowererapo kwina kulikonse akakhazikitsa molondola. Muyenera kukhazikitsa ziwongolero zakunja zapamwamba kuti mukhazikitse ma IP kuyambira pomwe makinawo asintha, mwachitsanzo cholandirira cha DisplayPort kapena zochitika zapapulagi zotentha kapena ntchito ya batani la ogwiritsa ntchito. Pamapangidwe awa, purosesa ya Nios II, yomwe imagwiritsa ntchito pulogalamu yowongolera bespoke, imapereka kuwongolera kwapamwamba. Poyambitsa pulogalamuyo:

• Imayika wotchi ya DDR4 kukhala 150 MHz kuti ilole kuthamanga kwa 1200 MHz DDR, kenako imakhazikitsanso mawonekedwe akunja a kukumbukira IP kuti ibwererenso pa wotchi yatsopano.
• Imakhazikitsa PS8460 DisplayPort yobwereza ndi retimer.
• Imayambitsa DisplayPort wolandila ndi ma transmitter.
• Imayambitsa ma IP opangira mapaipi.

Kuyambitsa kukamaliza pulogalamuyo imalowa mosalekeza, kuyang'ana, ndikuchitapo kanthu, zochitika zingapo.

Kusintha kwa Scaling Mode
Mapangidwewo amathandizira njira zitatu zokulirapo; passthrough, upscale, downscale. M'njira yodutsamo mawonekedwe samakulitsa mavidiyo olowera, mumayendedwe apamwamba amapangira mavidiyo okweza, ndipo mumayendedwe otsika mawonekedwe amatsitsa mavidiyo.
The midadada anayi mu payipi processing; Clipper, downscaler, upscaler ndi Mixer amasankha kuwonetsera komaliza mumtundu uliwonse. Pulogalamuyi imayang'anira makonda a chipika chilichonse kutengera momwe mungalowetsere pano, kusanja kotulutsa, ndi makulitsidwe omwe mwasankha. Nthawi zambiri, Clipper imadutsa zomwe zalowetsedwa mosasinthidwa, ndipo kukula kwa Mixer maziko kumakhala kofanana ndi mtundu womaliza wa kanema wolowetsa. Komabe, ngati mavidiyo omwe alowetsedwera ndi aakulu kuposa kukula kwake, sizingatheke kuyika mavidiyo apamwamba pa kanema wolowetsa popanda kuidula. Ngati kusintha kolowetsako kuli kochepa kuposa zomwe pulogalamuyo imatulutsa pulogalamuyo siingagwiritse ntchito kutsika popanda kugwiritsa ntchito chosakanizira chakumbuyo cha Mixer chomwe chili chachikulu kusiyana ndi mavidiyo olowetsamo, omwe amawonjezera mipiringidzo yakuda kuzungulira kanema.

Table 4. Processing Block mapaipi
Gome ili limatchula zochita za midadada ya mapaipi anayi mumitundu isanu ndi inayi yophatikizira makulitsidwe, kusintha kolowera ndi kusanja kotulutsa.

Mode	mu > kunja	mu = kunja	mu <out
Kudutsa	Dinani kuti mutenge kukula Palibe kutsika	Palibe kopanira Palibe kutsika	Palibe kopanira Palibe kutsika
anapitiriza…

Mode	mu > kunja	mu = kunja	mu <out
	Palibe upscale Palibe malire akuda	Palibe upscale Palibe malire akuda	Palibe upscale Mapadi amalire akuda mpaka kukula kwake
Zokwera	Dinani ku 2/3 kukula kotulutsa Palibe kutsika Kukula mpaka kukula kwake Palibe malire akuda	Dinani ku 2/3 kukula kotulutsa Palibe kutsika Kukula mpaka kukula kwake Palibe malire akuda	Palibe kopanira Palibe kutsika Kukula mpaka kukula kwake Palibe malire akuda
Kutsika	Palibe kopanira Kutsika mpaka kukula kwake Palibe chokwera Palibe malire akuda	Palibe kopanira Kutsika mpaka kukula kwake Palibe chokwera Palibe malire akuda	Palibe kopanira Kutsika mpaka 2/3 kukula kolowetsa Palibe chokwera Mapadi amalire akuda mpaka kukula kwake

Kusintha pakati pa ma modes mwa kukanikiza batani la wogwiritsa ntchito 1. Pulogalamuyi imayang'anira zikhalidwe pa mabatani okankhira pamtundu uliwonse wodutsa pamtunda (imapangitsa kuti pulogalamuyo iwonongeke) ndikukonza ma IPs mu pipeline yokonza moyenera.

Zosintha pa DisplayPort Input
Pakuthamanga kulikonse, pulogalamuyo imasankha mawonekedwe a Kulowetsa Kanema Wotsekedwa, kuyang'ana kusintha kwa kukhazikika kwa mtsinje wa kanema wolowetsa. Pulogalamuyi imawona kuti kanemayo ndi wokhazikika ngati:

• The Clocked Video Input ikunena kuti vidiyo yomwe ili ndi wotchi yatsekedwa bwino.
• Kusintha kolowera ndi malo amtundu sikunasinthe kuyambira pomwe adadutsa pamzerewu.

Ngati zolowetsazo zinali zokhazikika koma zataya loko kapena mawonekedwe a kanema wasintha, pulogalamuyo imayimitsa Kuyika kwa Video Yotsekedwa kutumiza kanema kudzera papaipi. Imakhazikitsanso Mixer kuti asiye kuwonetsa mavidiyo olowera. Zomwe zimatuluka zimakhalabe zogwira ntchito (kuwonetsa chophimba chakuda ndi logo ya Intel) pazochitika zilizonse zolandila hotplug kapena kusintha kosintha.
Ngati zolowetsazo sizinali zokhazikika koma tsopano zili zokhazikika, pulogalamuyo imakonza payipi kuti iwonetse kusintha kwatsopano kolowera ndi malo amtundu, imayambiranso kutulutsa kuchokera ku CVI, ndipo imayika Chosakaniza kuti chiwonetsenso mavidiyo omwe amalowetsamo kachiwiri. Kuyatsanso chosanjikiza chosanjikiza sichochitika posachedwa chifukwa Frame Buffer ingakhale ikubwereza mafelemu akale kuchokera pazolowetsa m'mbuyomu ndipo mapangidwewo akuyenera kuchotsa mafelemuwa. Kenako mutha kuyatsanso chiwonetserocho kuti zisawonongeke. Chosungira chimango chimasunga kuchuluka kwa mafelemu omwe amawerengedwa kuchokera ku DDR4, yomwe purosesa ya Nios II imatha kuwerenga. Pulogalamu ya sampkuti izi ziwerengedwe pamene zolowetsazo zikhazikika ndikuyatsanso chosanjikiza cha Mixer pamene chiwerengero chachulukira ndi mafelemu anayi, zomwe zimatsimikizira kuti mapangidwe amatulutsa mafelemu akale akale.

Zochitika za DisplayPort transmitter Hot-plug Events
Zochitika za Hot-plug pa DisplayPort transmitter zimawotcha kusokoneza mkati mwa pulogalamu yomwe imayika mbendera kuti idziwitse pulogalamu yayikulu yosintha zomwe zatuluka. Mapangidwewo akazindikira pulagi yotentha ya transmitter, pulogalamuyo imawerenga EDID pachiwonetsero chatsopano kuti idziwe zomwe zikugwirizana ndi mitundu yake. Ngati muyika masinthidwe a DIP kukhala mawonekedwe omwe chiwonetsero chatsopano sichingathe kuthandizira, pulogalamuyo imabwereranso ku mawonekedwe osafunikira kwambiri. Kenako imakonza payipi, DisplayPort transmitter IP, ndi gawo la Si5338 lomwe likupanga transmitter vid_clk pamachitidwe atsopano. Zolowetsazo zikawona kusintha, chosanjikiza cha Mixer cha kanema wolowetsa sichimawonekera pomwe pulogalamuyo ikusintha makonda a mapaipi. Pulogalamuyi siyiyatsanso
chiwonetsero mpaka pambuyo mafelemu anayi pamene zoikamo zatsopano kudutsa chimango
posungira.

Zosintha pa Zosintha za Ogwiritsa DIP
Maudindo a DIP amasintha 2 mpaka 6 amawongolera mawonekedwe (kusamvana, kuchuluka kwa chimango, malo amtundu ndi ma bits pamtundu uliwonse) woyendetsedwa kudzera pa DisplayPort transmitter. Pulogalamuyo ikazindikira kusintha kwa ma switch a DIP awa, imadutsa motsatizana zomwe zimakhala zofanana ndi pulagi yotentha ya transmitter. Simuyenera kufunsa EDID yotumizira chifukwa sikusintha.

Mbiri Yowunikiranso ya AN 889: 8K DisplayPort Video Format Conversion Design Example

Table 5. Mbiri Yowunikiranso ya AN 889: 8K DisplayPort Video Format Conversion Design Example

Document Version	Zosintha
2019.05.30	Kutulutsidwa koyamba.

Malingaliro a kampani Intel Corporation Maumwini onse ndi otetezedwa. Intel, logo ya Intel, ndi zizindikiro zina za Intel ndi zizindikiro za Intel Corporation kapena mabungwe ake. Intel imatsimikizira kugwira ntchito kwa FPGA yake ndi zida za semiconductor malinga ndi zomwe zili pano malinga ndi chitsimikizo cha Intel, koma ili ndi ufulu wosintha zinthu ndi ntchito zilizonse nthawi iliyonse popanda kuzindikira. Intel sakhala ndi udindo kapena udindo chifukwa chakugwiritsa ntchito kapena kugwiritsa ntchito zidziwitso zilizonse, malonda, kapena ntchito zomwe zafotokozedwa pano kupatula monga momwe Intel adavomerezera momveka bwino. Makasitomala a Intel amalangizidwa kuti apeze mtundu waposachedwa kwambiri wamakina a chipangizocho asanadalire zidziwitso zilizonse zosindikizidwa komanso asanayike maoda azinthu kapena ntchito.
*Mayina ena ndi mtundu zitha kunenedwa kuti ndi za ena.

Zolemba / Zothandizira

Intel AN 889 8K DisplayPort Video Format Conversion Design Example [pdf] Buku Logwiritsa Ntchito AN 889 8K DisplayPort Video Format Conversion Design Example, AN 889, 8K DisplayPort Video Format Conversion Design Example, Format Conversion Design Example, Conversion Design Example

Maumboni

• Buku Logwiritsa Ntchito