Intel AN 889 8K DisplayPort Video Format Conversion Design Example

Mabapi le 8K DisplayPort Video Conversion Design Design Example

8K DisplayPort Video Conversion Design Design Exampe kopanya IP ea khokahano ea video ea Intel DisplayPort 1.4 e nang le phala ea ts'ebetso ea video. Moralo o fana ka sekala sa boleng bo holimo, phetoho ea sebaka sa mebala, le phetoho ea sekhahla sa foreimi bakeng sa melapo ea video ho fihla ho 8K ho liforeimi tse 30 motsotsoana, kapa 4K ho liforeimi tse 60 motsotsoana.
Moralo ona o khona ho hlophiseha haholo ka software le hardware, e nolofalletsang tlhophiso e potlakileng ea sistimi le ho e hlophisa bocha. Moralo o shebane le lisebelisoa tsa Intel® Arria® 10 mme o sebelisa 8K e itokiselitseng Intel FPGA IP ho tsoa ho Video le Image Processing Suite ho Intel Quartus® Prime v19.2.

Mabapi le DisplayPort Intel FPGA IP
Ho theha meralo ea Intel Arria 10 FPGA e nang le li-interface tsa DisplayPort, tiisa DisplayPort Intel FPGA IP. Leha ho le joalo, IP ena ea DisplayPort e sebelisa feela mokhoa oa ho kenyelletsa kapa oa ho khetholla bakeng sa DisplayPort. Ha e kenyelle li-transceivers, PLLs, kapa transceiver reconfiguration tshebetso e hlokehang ho kenya ts'ebetsong karolo ea serial e phahameng ka ho fetisisa ea sebopeho. Intel e fana ka transceiver e arohaneng, PLL, le likarolo tsa IP tsa ntlafatso. Ho khetha, ho etsa parameter, le ho hokahanya likarolo tsena ho theha moamoheli oa DisplayPort kapa sehokelo sa transmitter se lumellanang ka botlalo ho hloka tsebo e ikhethang.
Intel e fana ka moralo ona bakeng sa bao e seng litsebi tsa transceiver. GUI ea mohlophisi oa parameter bakeng sa DisplayPort IP e u lumella ho haha ​​​​moqapi.
U theha mohlala oa DisplayPort IP (eo e ka bang moamoheli feela, transmitter feela kapa moamoheli o kopaneng le transmitter) ho Moqapi oa Platform kapa IP Catalog. Ha o beha mohlala oa DisplayPort IP, o ka khetha ho hlahisa example moralo bakeng sa tlhophiso eo e khethehileng. Moralo o kopaneng oa moamoheli le oa ho fetisa ke mokhoa o bonolo oa ho fetisa, moo sehlahisoa se tsoang ho moamoheli se fepang ka ho toba ho transmitter. Moralo o tsitsitseng oa ho feta o theha moamoheli ea sebetsang ka botlalo PHY, transmitter PHY, le li-blocks tsa reconfiguration tse kenyang tšebetsong mohopolo oa transceiver le PLL. U ka kopitsa ka ho toba likarolo tse amehang tsa moralo, kapa ua sebelisa moralo e le tšupiso. Moralo o hlahisa DisplayPort Intel Arria 10 FPGA IP Design Example ebe o eketsa tse ngata tsa files e hlahisitsoe ka kotloloho lethathamong la pokello e sebelisoang ke projeke ea Intel Quartus Prime. Tsena li kenyelletsa:

• Files ho theha maemo a IP a parameterized bakeng sa li-transceivers, PLLs le li-blocks tsa reconfig.
• HDL ea boleng bo holimo files ho hokahanya li-IP tsena ho moamoheli oa boemo bo holimo PHY, transmitter PHY, le Transceiver Reconfiguration Arbiter blocks.
• Synopsy design constraint (SDC) files ho beha lithibelo tsa nako tse amehang.

Likarolo tsa 8K DisplayPort Video Conversion Design Design Example

• Kenyo:
  • Khokahano ea DisplayPort 1.4 e ts'ehetsa liqeto ho tloha ho 720 × 480 ho isa ho 3840 × 2160 ka sekhahla sefe kapa sefe ho fihla ho 60fps, le liqeto tse fihlang ho 7680 × 4320 ho 30fps.
  • Tšehetso ea plug e chesang.
  • Tšehetso bakeng sa lifomate tsa mebala tsa RGB le YCbCr (4:4:4, 4:2:2 le 4:2:0) ka bobeli
    kenya letsoho.
  • Software e iponela ka bo eona sebopeho sa ho kenya ebe e seta phaephe ea ho sebetsa ka nepo.
• Sephetho:
  • Khokahano ea DisplayPort 1.4 e ka khethoa (ka li-switches tsa DIP) bakeng sa qeto ea 1080p, 1080i kapa 2160p ho 60fps, kapa 2160p ho 30fps.
  • Tšehetso ea plug e chesang.
  • Diphetoho tsa DIP ho seta fomete ya mmala e hlokehang hore e be RGB, YCbCr 4:4:4, YCbCr 4:2:2, kapa YCbCr 4:2:0.
• Phaephe e le 'ngoe ea 10-bit 8K RGB e nang le lisebelisoa tse lokisehang le phetoho ea sekhahla sa foreimi:
  • 12-tanya Lanczos sekala se tlase.
  • 16-mohato, 4-tap Lanczos up-scaler.
  • Triple buffering foreimi ea video buffer e fana ka foreimi sekhahla sa phetoho.
  • Motsoako o nang le motsoako oa alpha o lumella letšoao la OSD ho koaheloa.

Ho qala ka 8K DisplayPort Video Conversion Design Design Example

Litlhoko tsa Hardware le Software

8K DisplayPort Video Conversion Design Design Exampe hloka hardware le software e khethehileng.

Hardware:

• Intel Arria 10 GX FPGA Development Kit, ho kenyeletsoa DDR4 Hilo Daughter Card
• Bitec DisplayPort 1.4 FMC karete ea morali (phetolelo ea 11)
• Mohloli oa DisplayPort 1.4 o hlahisang ho fihla ho 3840x2160p60 kapa 7680x4320p30 video
• Sink ea DisplayPort 1.4 e bonts'ang video e fihlang ho 3840x2160p60
• Lithapo tse netefalitsoeng tsa VESA tsa DisplayPort 1.4.

Software:

• Windows kapa Linux OS
• Intel Quartus Prime Design Suite v19.2, e kenyelletsang:
  • Khatiso ea Intel Quartus Prime Pro
  • Moqapi oa Sethala
  • Nios® II EDS
  • Intel FPGA IP Library (ho kenyeletsoa le Video le Image Processing Suite)

Moralo o sebetsa feela ka mofuta ona oa Intel Quartus Prime.

Ho khoasolla le ho kenya Intel 8K DisplayPort Video Conversion Design Design Example

Moralo o fumaneha Lebenkeleng la Intel Design.

1. Khoasolla projeke e bolokiloeng file udx10_dp.par.
2. Ntša morero oa Intel Quartus Prime ho tloha polokelong ea boitsebiso:
   • a. Bula Intel Quartus Prime Pro Edition.
   • b. Tobetsa File ➤ Morero o bulehileng.
     Fesetere ea Open Project ea bula.
   • c. E ea ho 'me u khethe udx10_dp.par file.
   • d. Tobetsa Open.
   • e. Ka fensetere ea Open Design Template, beha foldara ea Sebaka sebakeng se lakatsehang bakeng sa morero o ntšitsoeng. Likenyo tsa template ea moralo file mme lebitso la projeke le lokela ho nepahala mme ha o hloke ho li fetola.
   • f. Tobetsa OK.

Moralo Files bakeng sa Intel 8K DisplayPort Video Conversion Design Design Example

Letlapa la 1. Moralo Files

File kapa Lebitso la Sephutheli	Tlhaloso
ip	E na le mohlala oa IP files bakeng sa liketsahalo tsohle tsa Intel FPGA IP moralong: • DisplayPort IP (transmitter le moamoheli) • PLL e hlahisang lioache maemong a holimo a moralo • IP kaofela e etsang Sistimi ea Moqapi oa Platform bakeng sa lipeipi tsa ho sebetsa.
sets'oants'o	E na le pre_compiled.sof, e leng lenaneo le hlophisitsoeng esale pele file bakeng sa moralo.
non_acds_ip	E na le khoutu ea mohloli bakeng sa IP e eketsehileng moralong ona oo Intel Quartus Prime e sa o kenyelletseng.
sdc	E na le SDC file e hlalosang litšitiso tse ling tsa nako tseo moralo ona o li hlokang. Sehlopha sa SDC files e kenyellelitsoeng ka boiketsetso le maemo a IP ha e sebetsane le mathata ana.
software	E na le khoutu ea mohloli, lilaebrari, le litokomane tsa moaho bakeng sa software e sebetsang ho processor e kentsoeng ea Nios II ho laola ts'ebetso ea maemo a holimo ea moralo.
udx10_dp	Foldara eo Intel Quartus Prime e hlahisang tlhahiso ho eona files bakeng sa sistimi ea Moqapi oa Sethala. Sephetho sa udx10_dp.sopcinfo file e o lumella ho hlahisa tlhahiso ea memori file bakeng sa memori ea software ea processor ea Nios II. Ha ua tlameha ho qala ka ho hlahisa sistimi e felletseng ea Moqapi oa Platform.
non_acds_ip.ipx	IPX ena file e phatlalatsa IP kaofela foldareng eo e seng_acds_ip ho Moqapi oa Platform kahoo e hlaha ho Laeborari ea IP.
README.txt	Litaelo tse khutšoane tsa ho aha le ho tsamaisa moralo.
holimo.qpf	Morero oa Intel Quartus Prime file bakeng sa moralo.
holimo.qsf	Litlhophiso tsa projeke ea Intel Quartus Prime file bakeng sa moralo. Sena file thathamisa tsohle files e hlokehang ho aha moralo, hammoho le likabelo tsa phini le palo ea litlhophiso tse ling tsa projeke.
holimo.v	Verilog HDL ea boemo bo holimo file bakeng sa moralo.
udx10_dp.qsys	Sistimi ea Moqapi oa Platform e nang le lipeipi tsa ts'ebetso ea video, processor ea Nios II, le lisebelisoa tsa eona.

Ho bokella 8K DisplayPort Video Conversion Design Design Example
Intel e fana ka lenaneo la boto e hlophisitsoeng esale pele file bakeng sa moralo ho master_image directory (pre_compiled.sof) ho u lumella ho tsamaisa moralo ntle le ho tsamaisa pokello e felletseng.
MEHATO:

1. Ho software ea Intel Quartus Prime, bula morero oa top.qpf file. Sebaka sa polokelo ea litaba se jarollotsoeng se etsa sena file ha o bula projeke.
2. Tobetsa File ➤ Bula ebe u khetha ip/dp_rx_tx/dp_rx_tx.ip. GUI ea paramethara ea DisplayPort IP ea bula, e bonts'a liparamente tsa mohlala oa DisplayPort moahong.
3. Tobetsa Hlahisa Example Design (eseng Hlahisa).
4. Ha moloko o phethela, koala parameter editor.
5. In File Mofuputsi, ea ho sesebelisoa sa software 'me u notlolle li-archive tsa vip_control_src.zip ho hlahisa buka ea vip_control_src.
6. Sebakeng sa BASH, ea ho software/script 'me u tsamaise shell script build_sw.sh.
   Sengoloa se theha software ea Nios II bakeng sa moralo. E theha ka bobeli .elf file hore u ka khoasolla ho boto ka nako ea ho matha, le .hex file ho bokella lenaneong la boto .sof file.
7. Ho software ea Intel Quartus Prime, tobetsa Processing ➤ Qala Kopano.
   • Intel Quartus Prime e hlahisa udx10_dp.qsys Platform Designer system.
   • Intel Quartus Prime e beha morero ho top.qpf.

Ho bokella ho bopa top.sof in the output_files directory ha e qeta.

Viewho hlahisa le ho Nchafatsa Sistimi ea Moqapi oa Sethala

1. Tobetsa Lisebelisoa ➤ Moetsi oa Sethala.
2. Khetha lebitso la sistimi.qsys bakeng sa khetho ea sistimi ea Moqapi oa Platform.
3. Tobetsa Open.
   Moqapi oa Platform o bula sistimi.
4. Review tsamaiso.
5. Nchafatsa sistimi:
   • a. Tobetsa Hlahisa HDL….
   • b. Fesetereng ea Moloko, bulela Li-directories tse Hlakileng bakeng sa lipehelo tse khethiloeng tsa moloko.
   • c. Tobetsa Hlahisa

Ho bokella 8K DisplayPort Video Conversion Design Design Example lisebelisoa tsa Nios II Build Tools bakeng sa Eclipse
U theha sebaka sa ho sebetsa sa Nios II Eclipse bakeng sa moralo ho hlahisa sebaka sa ho sebetsa se sebelisang lifoldara tse tšoanang le tseo mongolo oa moaho o li sebelisang. Haeba u kile ua tsamaisa sengoloa sa moaho, u lokela ho hlakola lifoldara tsa software/vip_control le software/vip_control_bsp pele u theha sebaka sa ho sebetsa sa Eclipse. Haeba u sebelisa mongolo hape ka nako efe kapa efe, e hlakola sebaka sa ho sebetsa sa Eclipse.
MEHATO:

1. Tsamaea ho sesebelisoa sa software 'me u notlolle li-archive tsa vip_control_src.zip ho hlahisa bukana ea vip_control_src.
2. Bukeng ea projeke e kentsoeng, theha foldara e ncha 'me u e rehe sebaka sa mosebetsi.
3. Ho software ea Intel Quartus Prime, tobetsa Lisebelisoa ➤ Nios II Software Build Tools for Eclipse.
   • a. Ka fensetere ea Workspace Launcher, khetha foldara ea sebaka seo u se entseng.
   • b. Tobetsa OK.
4. Ka fensetere ea Nios II - Eclipse, tobetsa File ➤ Ncha ➤ Kopo ea Nios II le BSP ho tsoa ho Template.
   Kopo ea Nios II le BSP ho tsoa lebokoseng la puisano la Template lia hlaha.
   • a. Ka Boitsebiso ba SOPC File lebokoseng, khetha faele ea udx10_dp/ udx10_dp.sopcinfo file. Nios II SBT bakeng sa Eclipse e tlatsa lebitso la CPU ka lebitso la processor ho tsoa ho .sopcinfo file.
   • b. Ka lebokoseng la lebitso la morero, thaepa vip_control.
   • c. Khetha Blank Project ho tsoa lethathamong la Lithempleite.
   • d. Tobetsa E latelang.
   • e. Khetha Theha morero o mocha oa BSP o ipapisitse le template ea projeke ea kopo e nang le lebitso la projeke vip_control_bsp.
   • f. Bulela Sebelisa sebaka sa kamehla.
   • g. Tobetsa Qetella ho theha kopo le BSP e thehiloeng ho .sopcinfo file.
     Kamora hore BSP e hlahise, merero ea vip_control le vip_control_bsp e hlaha ho "Project Explorer tab".
5. Ho Windows Explorer, kopitsa litaba tsa software/vip_control_src bukeng e ncha e entsoeng software/vip_control.
6. Ho "Project Explorer tab" ea fensetere ea Nios II - Eclipse, tobetsa ka ho le letona ho foldara ea vip_control_bsp ebe u khetha Nios II> BSP Editior.
   • a. Khetha None ho tsoa ho menu e theoha bakeng sa sys_clk_timer.
   • b. Khetha cpu_timer ho tsoa ho menu e theoha bakeng sa linakoamp_nako.
   • c. Bulela enable_small_c_library.
   • d. Tlanya Hlahisa.
   • e. Ha tlhahiso e phethela, tobetsa Tloha.
7. Ho "Project Explorer tab", tobetsa ka ho le letona bukeng ea vip_control ebe o tobetsa Properties.
   1. a. Ka Properties bakeng sa fensetere ea vip_control, eketsa thepa ea Nios II ea Kopo ebe o tobetsa Litsela tsa Kopo tsa Nios II.
   2. b. Tobetsa Eketsa… haufi le Merero ea Laebrari.
   3. c. Ka fensetere ea Merero ea Libuka, e-ea ho udx10.dp\spftware \vip_control_src directory ebe u khetha buka ea bkc_dprx.syslib.
   4. d. Tobetsa OK. Ho hlaha molaetsa Fetolela ho tsela e lekanyelitsoeng. Tobetsa E.
   5. e. Pheta mehato ea 7.b leqepheng la 8 le 7.c leqepheng la 8 bakeng sa bukana ea bkc_dptx.syslib le bkc_dptxll_syslib
   6. f. Tobetsa OK.
8. Khetha Morero ➤ Haha Tsohle ho hlahisa file vip_control.elf bukeng ea software/vip_control.
9. Haha mem_init file bakeng sa pokello ea Intel Quartus Prime:
   1. a. Tobetsa ka ho le letona vip_control fensetereng ea Project Explorer.
   2. b. Khetha Etsa Lipheo ➤ Haha….
   3. c. Khetha mem_init_generate.
      d. Tobetsa Haha.
      Software ea Intel Quartus Prime e hlahisa li
      udx10_dp_onchip_memory2_0_onchip_memory2_0.hex file bukeng ea software/vip_control/mem_init.
10. Ka moralo o sebetsang botong e hokahaneng, tsamaisa lenaneo la vip_control.elf file e entsoeng ke mohaho oa Eclipse.
    • a. Tobetsa ka ho le letona foldareng ea vip_control ho "Project Explorer tab" ea fensetere ea Nios II -Eclipse.
    • b. Ho Khetha Matha Joalo ➤ Nios II Hardware. Haeba u na le fensetere ea Nios II e butsoeng, e koale pele u khoasolla software e ncha.

Ho theha Intel Arria 10 GX FPGA Development Kit
E hlalosa mokhoa oa ho theha kit ho tsamaisa 8K DisplayPort Video Conversion Design Design Example.

Setšoantšo sa 1. Intel Arria 10 GX Development Kit e nang le HiLo Daughter Card
Setšoantšo se bontša boto e nang le siling ea mocheso e putsoa e tlositsoeng ho bontša boemo ba karete ea DDR4 Hilo. Intel e khothaletsa hore o se ke oa tsamaisa moralo ntle le sekoaelo sa mocheso sebakeng.

MEHATO:

1. Kenya karete ea Bitec DisplayPort 1.4 FMC botong ea nts'etsopele u sebelisa FMC Port A.
2. Netefatsa hore sesebelisoa sa motlakase (SW1) se tingoe, ebe o hokela sehokelo sa motlakase.
3. Hokela thapo ya USB khomphuteng ya hao le ho Sehokelo sa MicroUSB (J3) botong ya ntshetsopele.
4. Hokela thapo ea DisplayPort 1.4 pakeng tsa mohloli oa DisplayPort le boema-kepe ba Receiver ea karete ea Bitec DisplayPort 1.4 FMC 'me u netefatse hore mohloli oa sebetsa.
5. Hokela thapo ea DisplayPort 1.4 pakeng tsa pontšo ea DisplayPort le boema-kepe ba Transmitter ea karete ea Bitec DisplayPort 1.4 FMC 'me u netefatse hore pontšo ea sebetsa.
6. Bulela boto ka SW1.

Li-LED tsa Boemo ba Boto, Likonopo tsa Push le Liphetoho tsa DIP
Intel Arria 10 GX FPGA Development Kit e na le li-LED tsa maemo a robeli (tse nang le li-emitter tse tala le tse khubelu), likonopo tse tharo tsa basebelisi le li-switches tse robeli tsa DIP. 8K DisplayPort Video Conversion Design Design Exampe khantša li-LED ho bontša boemo ba sehokelo sa moamoheli oa DisplayPort. Likonopo le li-switches tsa DIP li u lumella ho fetola litlhophiso tsa moralo.

Maemo a li-LED

Letlapa la 2. Li-LED tsa boemo

LED	Tlhaloso
Li-LED tse khubelu
0	DDR4 EMIF e ntse e tsoela pele.
1	Tekanyetso ea DDR4 EMIF e hlolehile.
7:2	E sa sebelisoe.
Li-LED tse tala
0	E bonesa ha koetliso ea khokahano ea moamoheli oa DisplayPort e phethela ka katleho, 'me moralo o fumana video e tsitsitseng.
5:1	Palo ea tsela ea moamoheli oa DisplayPort: 00001 = 1 lane 00010 = litsela tse 2 00100 = litsela tse 4
7:6	Lebelo la tsela ea moamoheli oa DisplayPort: 00 = 1.62 Gbps 01 = 2.7 Gbps 10 = 5.4 Gbps 11 = 8.1 Gbps

Tafole e thathamisa boemo boo LED ka 'ngoe e e bontšang. Sebaka se seng le se seng sa LED se na le lipontšo tse khubelu le tse tala tse ka khantšang ka boikemelo. Letšoao leha e le lefe le khanyang la LED le bolela hore lipontšo tse khubelu le tse tala li teng.

Likonopo tsa Push Mosebelisi
Konopo ea push ea mosebelisi 0 e laola ponts'o ea logo ea Intel k'honeng e kaholimo ho le letona la pontšo ea tlhahiso. Ha e qala, moralo o thusa ho hlahisa logo. Ho tobetsa konopo ea 0 ho etsa hore sesebelisoa se be teng bakeng sa pontšo ea logo. Konopo ea 1 ea mosebelisi e laola mokhoa oa ho eketsa moralo. Ha mohloli kapa sink e kentsoe ho chesa, moralo o fetoha ho:

• Mokhoa oa Passthrough, haeba qeto ea ho kenya e le ka tlase kapa e lekana le qeto ea tlhahiso
• Boemo ba ho theoha, haeba qeto ea ho kenya e le kholo ho feta qeto ea tlhahiso

Nako le nako ha o tobetsa konopo ea mosebelisi 1, moralo o fetoha ho ea mokhoeng o latelang oa ho lekanya (ho feta> upscale, upscale> downscale, downscale> passthrough). Konopo ea 2 ea mosebelisi ha e sebelisoe.

Liphetoho tsa DIP tsa mosebelisi
Li-switches tsa DIP li laola khatiso ea boikhethelo ea Nios II le litlhophiso tsa fomate ea video e hlahisoang e tsamaisoang ke mochini oa DisplayPort.

Letlapa la 3. Liphetoho tsa DIP
Tafole e thathamisa mosebetsi oa switjha ka 'ngoe ea DIP. Li-switches tsa DIP, tse nang le nomoro ea 1 ho isa ho 8 (eseng 0 ho isa ho 7), li tsamaisana le linomoro tse hatisitsoeng karolong ea switch. Ho beha switjha e 'ngoe le e 'ngoe ho ON, suthela switch e tšoeu ho LCD le hole le li-LED tse botong.

Fetoha	Mosebetsi
1	E nolofalletsa khatiso ea terminal ea Nios II ha e setetsoe ho ON.
2	Beha likotoana tsa tlhahiso ka 'mala: OFF = 8 bit ON = 10 bit
4:3	Seta sebaka sa mmala wa sephetho le sampling: SW4 OFF, SW3 OFF = RGB 4:4:4 SW4 OFF, SW3 ON = YCbCr 4:4:4 SW4 ON, SW3 OFF = YCbCr 4:2:2 SW4 ON, SW3 ON = YCbCr 4:2:0
6:5	Beha qeto ea tlhahiso le sekhahla sa foreimi: SW4 OFF, SW3 OFF = 4K60 SW4 TIMA, SW3 ON = 4K30 SW4 ON, SW3 TIMA = 1080p60 SW4 ON, SW3 ON = 1080i60
8:7	E sa sebelisoeng

Ho tsamaisa 8K DisplayPort Video Conversion Design Design Example
O lokela ho thowuni compiled .sof file bakeng sa moralo oa Intel Arria 10 GX FPGA Development Kit ho tsamaisa moralo.
MEHATO:

1. Ho software ea Intel Quartus Prime, tobetsa Tools ➤ Programmer.
2. Fesetereng ea Programmer, tobetsa Auto Detect ho skena faele ea JTAG ketane le ho sibolla lisebelisoa tse hokahaneng.
   Haeba fensetere ea pop-up e hlaha e u kopa hore u ntlafatse lenane la lisebelisoa tsa Programmer, tobetsa E.
3. Lethathamong la lisebelisoa, khetha mola o ngotsoeng 10AX115S2F45.
4. Tobetsa Fetola File…
   • Ho sebelisa mofuta o hlophisitsoeng esale pele oa lenaneo file tseo Intel e li kenyelletsang e le karolo ea download ea moralo, khetha master_image/pre_compiled.sof.
   • Ho sebelisa lenaneo la hau file e entsoeng ke pokello ea lehae, khetha output_files/top.sof.
5. Bulela Lenaneo/Configure moleng oa 10AX115S2F45 lethathamong la lisebelisoa.
6. Tobetsa Qala.
   Ha moetsi oa lenaneo a qeta, moralo o sebetsa ka bohona.
7. Bula terminal ea Nios II ho amohela molaetsa oa mongolo o tsoang ho moralo, ho seng joalo moralo oa notlela ka mor'a liphetoho tse ngata (ha feela u seta mosebelisi DIP switch 1 ho ON).
   • a. Bula fensetere ea terminal ebe u thaepa nios2-terminal
   • b. Tobetsa Enter.

e hokahaneng ka ho kenya. Ha ho na mohloli, tlhahiso ke skrine e ntšo e nang le logo ea Intel k'honeng e kaholimo ho le letona la skrini.

Tlhaloso ea Ts'ebetso ea 8K DisplayPort Video Conversion Design Design Example

Sistimi ea Moqapi oa Platform, udx10_dp.qsys, e na le IP ea moamoheli oa DisplayPort le transmitter, IP pipeline ea video, le likarolo tsa processor tsa Nios II. Moralo o hokela sistimi ea Moqapi oa Platform ho moamoheli oa DisplayPort le mohopolo oa transmitter PHY (o nang le li-transceivers tsa interface) le mohopolo oa ho fetola transceiver boemong bo holimo moetsong oa Verilog HDL RTL. file (holimo.v). Moqapi o na le tsela e le 'ngoe ea ho sebetsana le video pakeng tsa tlhahiso ea DisplayPort le tlhahiso ea DisplayPort.

Setšoantšo sa 2
Setšoantšo se bonts'a li-block tsa 8K DisplayPort Video Conversion Design Design Example. Setšoantšo ha se bontše tse ling tsa lisebelisoa tse tloaelehileng tse amanang le Nios II, Avalon-MM pakeng tsa processor ea Nios II, le likarolo tse ling tsa tsamaiso. Moralo o amohela video ho tsoa mohloling oa DisplayPort ka letsohong le letšehali, o tsamaisa video ka phala ea video ho tloha ka letsohong le letšehali ho ea ho le letona pele o fetisetsa video sekoting sa DisplayPort ka ho le letona.

DisplayPort Receiver PHY le DisplayPort Receiver IP
Karete ea Bitec DisplayPort FMC e fana ka buffer bakeng sa lets'oao la DisplayPort 1.4 ho tsoa mohloling oa DisplayPort. Motsoako oa DisplayPort Receiver PHY le DisplayPort Receiver IP e khetholla lets'oao le kenang ho theha molapo oa video. Moamoheli oa DisplayPort PHY e na le li-transceivers ho senya data e kenang mme IP ea moamoheli oa DisplayPort e khetholla protocol ea DisplayPort. DisplayPort Receiver IP e kopaneng e sebetsa lets'oao le tlang la DisplayPort ntle le software. Letšoao la video le hlahisoang ho tsoa ho IP ea moamoheli oa DisplayPort ke mofuta oa tlhaho o pharalletseng oa ho phallela. Moralo o hlophisa moamoheli oa DisplayPort bakeng sa tlhahiso ea 10-bit.

DisplayPort ho IP ea Video e koetsoeng
Phatlalatso ea sebopeho sa data e pharalletseng e hlahisoang ke moamoheli oa DisplayPort ha e tsamaellane ka kotloloho le sebopeho sa data se ts'oetsoeng seo IP ea Kenyelletso ea Video ea Clocked e e lebelletseng. The DisplayPort to Clock Video IP ke IP e tloaelehileng bakeng sa moralo ona. E fetola tlhahiso ea DisplayPort hore e be sebopeho sa video se ts'oaretsoeng seo u ka se hokelang ka kotloloho ho Kenyelletso ea Video e Koetsoeng. The DisplayPort to Clock Video IP e ka fetola maemo a saena a terata mme e ka fetola tatellano ea lifofane tsa mebala ka har'a pixel ka 'ngoe. Tekanyetso ea DisplayPort e totobatsa tatellano ea mebala e fapaneng le taelo ea IP ea pipeline ea Intel. Mochine oa Nios II o laola phetoho ea mebala. E bala sebaka sa hona joale sa mebala bakeng sa phetisetso ho tsoa ho IP ea moamoheli oa DisplayPort ka sebopeho sa eona sa makhoba sa Avalon- MM. E laela DisplayPort ho Video e koetsoeng IP ho sebelisa khalemelo e nepahetseng ka sebopeho sa eona sa makhoba sa Avalon-MM.

Kenyelletso ea Video e Tlisoang
Kenyelletso ea video e ts'oaroang e sebetsa lets'oao la sebopeho sa video se ochetsoeng ho tloha ho DisplayPort ho ea ho Clock Video IP ebe e e fetolela ho sebopeho sa lets'oao la Avalon-ST Video. Sebopeho sena sa lets'oao se hlobola tlhahisoleseling eohle e tšekaletseng le e otlolohileng ho tsoa videong e siea feela data e sebetsang ea litšoantšo. IP e e pakete e le pakete e le 'ngoe ka foreimi ea video. E boetse e eketsa lipakete tsa metadata (tse bitsoang lipakete tsa taolo) tse hlalosang qeto ea foreimi ka 'ngoe ea video. Phallo ea Video ea Avalon-ST ka phala ea ts'ebetso e na le lipikselse tse 'nè ka ho lekana, tse nang le matšoao a mararo ka pixel. Kenyelletso ea video e ts'oaretsoeng e fana ka mokhoa oa ho tšela oache bakeng sa phetoho ho tloha ho sekhahla se feto-fetohang sa lets'oao la video ho tloha ho moamoheli oa DisplayPort ho isa ho sekhahla se tsitsitseng sa oache (300 MHz) bakeng sa phaephe ea IP ea video.

Mohloekisi oa Phallo
Mohloekisi oa molapo o netefatsa hore lets'oao la Video la Avalon-ST le fetelang pompong ea ts'ebetso ha le na liphoso. Ho kenya letsoho ho chesang ha mohloli oa DisplayPort ho ka etsa hore moralo o hlahise liforeimi tse sa fellang tsa data ho IP e kentsoeng ea video le ho hlahisa liphoso ho phallo ea video ea Avalon-ST. Boholo ba lipakete tse nang le data ea video bakeng sa foreimi ka 'ngoe ha bo lumellane le boholo bo tlalehiloeng ke lipakete tsa taolo tse amanang. Mohloekisi oa molapo o lemoha maemo ana mme o eketsa lintlha tse eketsehileng (lipikselse tse bohlooho) ho isa qetellong ea lipakete tsa video tse khopisang ho tlatsa foreimi le ho bapisa se boletsoeng ka har'a pakete ea taolo.

Chroma Resampler (kenyo)
Lintlha tsa video tseo moralo o li fumanang ho tsoa ho DisplayPort e kanna ea ba 4:4:4, 4:2:2, kapa 4:2:0 chroma s.ampLED. Kenyelletso ea chroma resampler e nka video e kenang ka mokhoa ofe kapa ofe 'me e e fetolela ho 4:4:4 maemong ohle. Ho fana ka boleng bo holimo ba pono, chroma resampler o sebelisa algorithm e tlhotliloeng e turang ka ho fetisisa. Motlakase oa Nios II o bala chroma s ea hajoaleampling ho tsoa ho IP ea moamoheli oa DisplayPort ka sebopeho sa eona sa makhoba sa Avalon-MM. E fetisetsa sebopeho ho chroma resampler ka sebopeho sa eona sa makhoba sa Avalon-MM.

Sefetoleli sa Sebaka sa Mebala (Kenyo)
Lintlha tsa video tse kentsoeng ho tsoa ho DisplayPort li ka sebelisa sebaka sa mebala sa RGB kapa YCbCr. Mofetoleli oa sebaka sa mebala o kenang o nka video e kenang ka mokhoa ofe kapa ofe oo e fihlang ho oona ebe o o fetolela ho RGB maemong ohle. Motlakase oa Nios II o bala sebaka sa hona joale sa mebala ho tloha ho DisplayPort receiver IP e nang le sebopeho sa makhoba sa Avalon-MM; e kenya li-coefficients tse nepahetseng tsa phetoho ho chroma resampler ka sebopeho sa eona sa makhoba sa Avalon-MM.

Clipper
Clipper e khetha sebaka se sebetsang ho tsoa ho molatsoana oa video o kenang ebe e lahla se setseng. Taolo ea software e sebetsang ho processor ea Nios II e hlalosa sebaka seo u lokelang ho se khetha. Sebaka se ipapisitse le qeto ea data e fumanoeng mohloling oa DisplayPort le tharollo ea tlhahiso le mokhoa oa ho phahamisa. Motlakase o fetisetsa sebaka ho Clipper ka sebopeho sa makhoba sa Avalon-MM.

Scaler
Moralo o sebetsa ho eketsa data ea video e kenang ho latela qeto e kentsoeng e amohetsoeng, le qeto eo u e hlokang. U ka boela ua khetha pakeng tsa mekhoa e meraro ea ho lekanya (upscale, downscale le passthrough). Li-IP tse peli tsa Scalar li fana ka ts'ebetso ea sekhahla: e 'ngoe e sebelisa ho theola ho hong ho hlokahalang; lisebelisoa tse ling li phahamisa. Moqapi o hloka li-scaler tse peli.

• Ha scaler e sebelisa ho theoha, ha e hlahise data e nepahetseng ho potoloho e 'ngoe le e' ngoe ea oache ho tlhahiso ea eona. Bakeng sa mohlalaample, haeba o kenya tšebetsong karo-karolelano ea 2x downscale, lets'oao le nepahetseng tlhahisong le phahame ka nako e 'ngoe le e 'ngoe ea oache ha moralo o amohela mohala o mong le o mong o nang le linomoro, ebe o tlase bakeng sa mela eohle e kentsoeng ea linomoro tse sa tloaelehang. Boitšoaro bona bo phatlohileng ke ba bohlokoa molemong oa ho fokotsa sekhahla sa data ho sehlahisoa, empa ha se lumellane le theipi ea Mixer IP, eo ka kakaretso e lebelletseng sekhahla sa data se ts'oanang ho qoba ho phalla ha metsi. Moralo o hloka Frame Buffer lipakeng tsa maemo a tlase le a mixer. Frame Buffer e lumella Mixer ho bala data ka sekhahla seo e se hlokang.
• Ha scaler e sebelisa upscale, e hlahisa lintlha tse nepahetseng ka nako e 'ngoe le e' ngoe ea oache, kahoo motsoako o latelang ha o na mathata. Leha ho le joalo, e kanna ea se ke ea amohela lintlha tse ncha tse kentsoeng nako le nako. Ho nka 2x upscale joalo ka example, meleng e hlahisoang e nang le linomoro e amohela ho otla ha data ka nako e 'ngoe le e' ngoe ea oache, ebe ha e amohele data e ncha ea tlhahiso meleng e sa tloaelehang e hlahisoang. Leha ho le joalo, Clipper e holimo e ka hlahisa data ka sekhahla se fapaneng haholo haeba e sebelisa sekotwana sa bohlokoa (mohlala, nakong ea katametso). Ka hona, Clipper le upscale ka kakaretso li tlameha ho aroloa ke Frame Buffer, e hlokang hore Scaler e lule ka mor'a Frame Buffer e ntseng e tsoela pele. Scaler e tlameha ho lula ka pel'a Frame Buffer bakeng sa maemo a tlase, kahoo moralo o sebelisa li-scaler tse peli tse arohaneng mahlakoreng ka bobeli a Frame Buffer: e 'ngoe bakeng sa upscale; enngwe bakeng sa ho theola.

Li-Scalers tse peli le tsona li fokotsa boholo ba DDR4 bandwidth e hlokoang ke Frame Buffer. O tlameha ho etsa kopo ka linako tsohle pele ho Frame Buffer, o fokotsa sekhahla sa data lehlakoreng la ho ngola. Kamehla sebelisa li-upscales ka mor'a Frame Buffer, e fokotsang sekhahla sa data lehlakoreng le baloang. Scaler e 'ngoe le e' ngoe e fumana qeto e hlokahalang ea ho kenya letsoho ho tsoa lipaketeng tsa taolo ea molapo oa video o kenang, ha processor ea Nios II e nang le sebopeho sa makhoba sa Avalon-MM e beha qeto ea tlhahiso bakeng sa Scaler ka 'ngoe.

Frame Buffer
Sesebelisoa sa foreimi se sebelisa memori ea DDR4 ho etsa buffering hararo e lumellang lipeipi tsa ts'ebetso ea video le litšoantšo ho etsa phetoho ea sekhahla lipakeng tsa litefiso tse kenang le tse tsoang. Moralo o ka amohela sekhahla sefe kapa sefe sa ho kenya, empa kakaretso ea sekhahla sa pixel ha ea lokela ho feta 1 giga pixels motsotsoana. Software ea Nios II e beha sekhahla sa sekhahla sa tlhahiso ho 30 kapa 60fps, ho latela mokhoa oa tlhahiso oo u o khethang. Sekhahla sa foreimi ea tlhahiso ke ts'ebetso ea li-setting tsa Clock Video Output le oache ea pixel ea video. Khatello e ka morao eo "Clock Video Output" e sebetsang ho phaephe e lekanya sekhahla seo lehlakore le baloang la Frame Buffer le hulang liforeimi tsa video ho DDR4.

Motsoaki
Motsoako o hlahisa setšoantšo sa morao-rao se setšo sa boholo bo tsitsitseng seo mananeo a processor a Nios II a lumellanang le boholo ba setšoantšo sa hona joale se hlahisoang. Motsoako o na le lisebelisoa tse peli. Kenyelletso ea pele e hokela ho upscaler ho lumella moralo ho bonts'a tlhahiso ho tsoa phaepheng ea video ea hajoale. Kenyelletso ea bobeli e hokahana le block generator block. Moralo o thusa feela ho kenya letsoho ha motsoako ha o bona video e sebetsang, e tsitsitseng ha o kenya video e ts'oetsoeng. Ka hona, moqapi o boloka setšoantšo se tsitsitseng se hlahisoang ka tlhahiso ha se ntse se chesa ho kenya letsoho. Moralo oa alpha o kopanya kenyelletso ea bobeli ho motsoako, o hokahaneng le jenereithara ea litšoantšo, ka holim'a litšoantšo tse ka morao le tsa liphaephe tsa video tse nang le pepeneneng ea 50%.

Sefetoleli sa Sebaka sa Mebala (Se hlahisoang)
Sefetoleli sa sebaka sa 'mala o hlahisoang se fetola data ea video ea RGB hore e be sebaka sa mebala sa RGB kapa YCbCr ho ipapisitsoe le nako ea ho sebetsa ho tsoa ho software.

Chroma Resampler (Output)
Sephetho sa chroma resampler e fetola sebopeho ho tloha ho 4:4:4 ho ea ho e 'ngoe ea lifomete tsa 4:4:4, 4:2:2, kapa 4:2:0. Software e beha sebopeho. Sephetho sa chroma resampler e boetse e sebelisa algorithm e tlhotliloeng ho fihlela video ea boleng bo holimo.

Sets'oants'o sa Video se Tlisoang
Sephetho sa video se ts'oaretsoeng se fetolela molatsoana oa Video oa Avalon-ST ho sebopeho sa video se ts'oetsoeng. Sephetho sa video se ts'oetsoeng se eketsa lintlha tse otlolohileng le tse otlolohileng le tlhaiso-leseling ea nako ea ho hokahanya video. processor ea Nios II e hlophisa litlhophiso tse nepahetseng ho tlhahiso ea video e ts'episitsoeng ho latela qeto ea tlhahiso le sekhahla sa foreimi eo u e kopang. Sephetho sa video se ts'oaretsoeng se fetola oache, ho tloha ho sesupa-nako se tsitsitseng sa 300 MHz ho ea ho sekhahla se feto-fetohang sa video e koetsoeng.

Video e koetsoeng ho DisplayPort
Karolo ea Transmitter ea DisplayPort e amohela data e hlophisitsoeng joalo ka video e nang le nako. Liphapang mabapi le pontšo ea terata le phatlalatso ea likhokahano tsa likhoele ho Moqapi oa Platform li u thibela ho hokela Output ea Video e koetsoeng ka kotloloho ho IP transmitter ea DisplayPort. Video e koetsoeng ho ea ho DisplayPort karolo ke IP e ikhethileng ea moralo ho fana ka phetoho e bonolo e hlokahalang lipakeng tsa Output ea Video e koetsoeng le IP transmitter ea DisplayPort. E boetse e fetola tatellano ea lifofane tsa mebala ho pixel e 'ngoe le e' ngoe ho ikarabella bakeng sa maemo a fapaneng a ho fometa a mebala a sebelisoang ke Avalon-ST Video le DisplayPort.

DisplayPort Transmitter IP le DisplayPort Transmitter PHY
DisplayPort transmitter IP le DisplayPort transmitter PHY hammoho li sebetsa ho fetolela video ho tloha ho video e ts'episitsoeng ho ea ho molatsoana oa DisplayPort o lumellanang. DisplayPort transmitter IP e sebetsana le protocol ea DisplayPort mme e kenyelletsa data e nepahetseng ea DisplayPort, ha DisplayPort transmitter PHY e na le li-transceivers mme e etsa tlhahiso ea serial e potlakileng.

Nios II processor le peripherals
Sistimi ea Moqapi oa Platform e na le processor ea Nios II, e tsamaisang moamoheli oa DisplayPort le li-IP tsa transmitter le litlhophiso tsa nako ea ho sebetsa bakeng sa pompo ea ho sebetsa. Mochine oa Nios II o hokahana le lisebelisoa tsena tsa mantlha:

• Memori ea on-chip ho boloka lenaneo le data ea lona.
• AJTAG UART ho bonts'a tlhahiso ea software printf (ka terminal ea Nios II).
• Sebali sa nako sa sistimi se hlahisang tieho ea boemo ba millisecond libakeng tse fapaneng ho software, joalo ka ha ho hlokoa ke litlhaloso tsa DisplayPort tsa nako e nyane ea liketsahalo.
• Li-LED ho bonts'a boemo ba sistimi.
• Li-switches tsa Push-button ho lumella ho fetoha lipakeng tsa mekhoa ea ho lekanya le ho nolofalletsa le ho tima pontšo ea logo ea Intel.
• Liphetoho tsa DIP ho lumella ho fetoha ha sebopeho sa tlhahiso le ho nolofalletsa le ho thibela ho hatisoa ha melaetsa ho terminal ea Nios II.

Liketsahalo tse chesang tse tsoang mohloling oa DisplayPort le litšitiso tsa mollo li sitisa Nios II processor ho hlophisa transmitter ea DisplayPort le pipeline ka nepo. Loop e ka sehloohong khoutu ea software e boetse e lekola hore na boleng ba li-push-buttons le li-switches tsa DIP le ho fetola ho seta ha lipeipi ka nepo.

I²C Controllers
Moralo o na le balaoli ba babeli ba I²C (Si5338 le PS8460) ho hlophisa litlhophiso tsa likarolo tse ling tse tharo ho Intel Arria 10 10 GX FPGA Development Kit. Lijenereithara tse peli tsa oache tsa Si5338 tse ho Intel Arria 10 GX FPGA Development Kit li hokela beseng e tšoanang ea I²C. Ea pele e hlahisa oache ea litšupiso bakeng sa DDR4 EMIF. Ka linako tsohle, oache ena e behiloe ho 100 MHz hore e sebelisoe le 1066 MHz DDR4, empa moralo ona o tsamaisa DDR4 ho 1200 MHz, e hlokang oache ea tšupiso ea 150 MHz. Ha processor ea Nios II e qala, ka peripheral ea I²C, e fetola litlhophiso 'mapeng oa ngoliso ea Si5338 ea pele ho eketsa lebelo la oache ea DDR4 ho 150MHz. Jenereithara ea bobeli ea oache ea Si5338 e hlahisa vid_clk bakeng sa sebopeho sa video se ts'oetsoeng lipakeng tsa pompo le DisplayPort transmitter IP. U tlameha ho lokisa lebelo la oache ena bakeng sa qeto e 'ngoe le e 'ngoe e fapaneng ea tlhahiso le sekhahla sa foreimi e tšehetsoeng ke moralo. O ka fetola lebelo ka nako ea ho matha ha processor ea Nios II e hloka. Karete ea morali ea Bitec DisplayPort 1.4 FMC e sebelisa parade PS8460 jitter cleaner repeater le retimer. Ha processor ea Nios II e qala, e hlophisa litlhophiso tsa kamehla tsa karolo ena ho fihlela litlhoko tsa moralo.

Tlhaloso ea Software

8K DisplayPort Video Conversion Design Design Exampe kenyelletsa IP ho tsoa ho Intel Video le Image Processing Suite le DisplayPort interface IP Li-IP tsena kaofela li ka sebetsana le liforeimi tsa data ntle le ho kena lipakeng ha li seta ka nepo. U tlameha ho kenya tšebetsong taolo ea boemo bo holimo ea kantle ho seta li-IP ho qala le ha sistimi e fetoha, mohlala, moamoheli oa DisplayPort kapa liketsahalo tsa hot-plug kapa ts'ebetso ea konopo ea mosebelisi. Moqaping ona, processor ea Nios II, e sebelisang software ea bespoke control, e fana ka taolo ea boemo bo holimo. Ha software e qala:

• E beha oache ea ref ea DDR4 ho 150 MHz ho lumella lebelo la 1200 MHz DDR, ebe e seta sehokelo sa memori sa kantle sa IP hore se boele se lekanye oache e ncha ea litšupiso.
• E theha PS8460 DisplayPort repeater le retimer.
• E qala moamoheli oa DisplayPort le li-interface tsa transmitter.
• E qala ho sebetsa lipeipi tsa IP.

Ha ho qalisoa ho phethehile, software e kena ka nako e sa khaotseng ea loop, e hlahloba le ho arabela, liketsahalo tse 'maloa.

Liphetoho ho Mokhoa oa Scaling
Moqapi o tšehetsa mekhoa e meraro ea motheo ea ho lekanya; phallo, upscale, le downscale. Ka mokhoa oa ho feta moralo ha o phahamise video e kentsoeng, ka mokhoa o phahameng, video e kenyang moralo oa maemo a holimo, 'me ka mokhoa o tlase, moralo o theola video.
Li-blocks tse 'ne tsa phaephe ea ho sebetsa; Clipper, the downscaler, upscaler le Mixer etsa qeto ea ho hlahisa tlhahiso ea ho qetela ka mokhoa o mong le o mong. Software e laola li-setting tsa boloko bo bong le bo bong ho ipapisitsoe le qeto ea hajoale ea ho kenya, qeto ea tlhahiso, le mokhoa oa ho lekanya oo u o khethang. Maemong a mangata, Clipper e fetisa tlhahiso ka mokhoa o sa fetoheng, 'me boholo ba bokamorao ba Mixer bo lekana le phetolelo ea ho qetela, e lekantsoeng ea video e kenyelitsoeng. Leha ho le joalo, haeba qeto ea video e kentsoeng e le kholo ho feta boholo ba tlhahiso, ho ke ke ha khoneha ho sebelisa boemo bo holimo ho video e kentsoeng ntle le ho e khaola pele. Haeba qeto ea ho kenya e le ka tlase ho tlhahiso ea software e ke ke ea sebelisa boemo bo tlaase ntle le ho sebelisa motsoako oa mokokotlo oa Mixer o moholo ho feta oa video o kenyang, o eketsang mekoallo e ntšo ho potoloha video e hlahisoang.

Letlapa la 4. Ho sebetsa Liphaephe tsa Block
Tafole ena e thathamisa ketso ea lipeipi tse 'ne tsa ts'ebetso ho e' ngoe le e 'ngoe ea metsoako e robong ea mokhoa oa ho lekanya, tharollo ea ho kenya letsoho le tharollo ea tlhahiso.

Mokhoa	ka > kantle	ka = tsoa	ka < tsoa
Phatlalatso	Clip to the output size Ha ho boemo bo tlase	Ha ho sekotwana Ha ho maemo a tlase	Ha ho sekotwana Ha ho maemo a tlase
e tsoela pele…

Mokhoa	ka > kantle	ka = tsoa	ka < tsoa
	Ha ho maemo a holimo Ha ho na moeli o motšo	Ha ho maemo a holimo Ha ho na moeli o motšo	Ha ho maemo a holimo Li-pads tsa moeli tse ntšo ho ea boholo ba tlhahiso
Ea holimo	Clip ho boholo ba tlhahiso ea 2/3 Ha ho boemo bo tlase Ho fihla ho boholo ba tlhahiso Ha ho moeli o motšo	Clip ho boholo ba tlhahiso ea 2/3 Ha ho boemo bo tlase Ho fihla ho boholo ba tlhahiso Ha ho moeli o motšo	Ha ho sekotwana Ha ho maemo a tlase Ho fihla ho boholo ba tlhahiso Ha ho moeli o motšo
Ka tlase	Ha ho sekotwana Ho theosa ho isa ho boholo ba tlhahiso Ha ho boemo bo holimo Ha ho na moeli o motšo	Ha ho sekotwana Ho theosa ho isa ho boholo ba tlhahiso Ha ho boemo bo holimo Ha ho na moeli o motšo	Ha ho sekotwana Ho theosa ho isa ho 2/3 boholo ba ho kenya Ha ho na boemo bo holimo Li-pads tsa moeli tse ntšo ho ea boholo ba tlhahiso

Fetola lipakeng tsa mekhoa ka ho tobetsa konopo ea mosebelisi 1. Software e lekola litekanyetso ho li-buttons tsa push ho e 'ngoe le e' ngoe e tsamaeang ka loop (e etsa software debounce) mme e lokisa li-IP ka pipeline ea ho sebetsa ka mokhoa o nepahetseng.

Liphetoho ho DisplayPort Input
Ho e 'ngoe le e' ngoe ea marang-rang, software e khetha boemo ba "Ccked Video Input", e batla liphetoho ho botsitso ba phallo ea video e kenang. Software e nka hore video e tsitsitse haeba:

• The Clock Video Input e tlaleha hore video e ts'episitsoeng e notletsoe ka katleho.
• Qeto ea ho kenya le sebaka sa mebala ha e na liphetoho ho tloha nakong e fetileng ea loop.

Haeba tlhahiso e ne e tsitsitse empa e lahlehetsoe ke senotlolo kapa thepa ea molapo oa video e fetohile, software e emisa Kenyelletso ea Video e Clocked ho romella video ka phaephe. E boetse e beha Mixer ho emisa ho bonts'a karolo ea video e kentsoeng. Sephetho se lula se sebetsa (ho bonts'a skrini se setšo le logo ea Intel) nakong ea liketsahalo life kapa life tsa hotplug ea moamoheli kapa liphetoho tsa tharollo.
Haeba tlhahiso e ne e sa tsitsa empa hona joale e tsitsitse, software e lokisa pipeline ho bonts'a qeto e ncha ea ho kenya letsoho le sebaka sa mebala, e tsosolosa tlhahiso e tsoang ho CVI, 'me e beha Mixer hore e bontše lera la ho kenya video hape. Ho nolofatsa lera la motsoako ha se hang hang kaha Frame Buffer e kanna ea pheta liforeimi tsa khale ho tsoa ho kenyelletso e fetileng mme moralo o tlameha ho hlakola liforeimi tsena. Ebe o ka nolofalletsa ponts'o hape ho qoba ho glitching. Buffer ea foreimi e boloka palo ea liforeimi tse baloang ho tsoa ho DDR4, eo processor ea Nios II e ka e balang. Software ea samphore sena se se ke sa balwa ha tlhahiso e tsitsa mme e nolofaletsa Lera la Mixer hape ha palo e eketsehile ka diforeimi tse nne, e leng se netefatsang hore moralo o ntsha diforeimi dife kapa dife tsa kgale ho tswa ho buffer.

Liketsahalo tsa Hot-plug tsa DisplayPort
Liketsahalo tsa Hot-plug ho DisplayPort transmitter li chesa tšitiso ka har'a software e behang folakha ho hlokomelisa loop ea mantlha ea phetoho sephethong. Ha moralo o lemoha plug e chesang ea transmitter, software e bala EDID bakeng sa ponts'o e ncha ho fumana hore na ke liqeto life le libaka tsa mebala tseo e li tšehetsang. Haeba u seta li-switches tsa DIP ho mokhoa oo ponts'o e ncha e ke keng ea o tšehetsa, software e khutlela mokhoeng o sa batleng oa ho hlahisa. E ntan'o lokisa phala, DisplayPort transmitter IP, le karolo ea Si5338 e hlahisang transmitter vid_clk bakeng sa mokhoa o mocha oa tlhahiso. Ha tlhahiso e bona liphetoho, lera la Mixer bakeng sa video e kentsoeng ha le hlahe ha software e ntse e hlophisa litlhophiso tsa lipeipi. Software ha e khonehe hape
pontsho ho fihlela ka mora diforeimi tse nne ha di-setting tse ntjha di feta foreiming
buffer.

Liphetoho ho Litlhophiso tsa Switch DIP tsa mosebelisi
Maemo a mosebelisi DIP a fetoha 2 ho isa ho 6 a laola sebopeho sa tlhahiso (qeto, sekhahla sa foreimi, sebaka sa mebala le likotoana ka 'mala) se khannoang ka transmitter ea DisplayPort. Ha software e lemoha liphetoho ho li-switches tsena tsa DIP, e tsamaea ka tatellano e batlang e tšoana le plug e chesang ea transmitter. Ha ho hlokahale hore u botse transmitter EDID kaha ha e fetohe.

Nalane ea Phetoho bakeng sa AN 889: 8K DisplayPort Video Conversion Design Design Example

Lethathamo la 5. Nalane ea Phetoho bakeng sa AN 889: 8K DisplayPort Video Conversion Design Design Example

Tokomane Version	Liphetoho
2019.05.30	Tokollo ea pele.

Intel Corporation. Litokelo tsohle li sirelelitsoe. Intel, logo ea Intel, le matšoao a mang a Intel ke matšoao a khoebo a Intel Corporation kapa lithuso tsa eona. Intel e tiisa ts'ebetso ea FPGA ea eona le lihlahisoa tsa semiconductor ho latela litlhaloso tsa hajoale ho latela waranti e tloaelehileng ea Intel, empa e na le tokelo ea ho etsa liphetoho ho lihlahisoa le lits'ebeletso life kapa life ka nako efe kapa efe ntle le tsebiso. Intel ha e nke boikarabello kapa boikarabello bo hlahang ka lebaka la kopo kapa ts'ebeliso ea tlhahisoleseling efe kapa efe, sehlahisoa, kapa ts'ebeletso e hlalositsoeng mona ntle le ha ho lumellane ka ho hlaka ka lengolo ke Intel. Bareki ba Intel ba eletsoa ho fumana mofuta oa morao-rao oa litlhaloso tsa sesebelisoa pele ba itšetleha ka tlhahisoleseling efe kapa efe e phatlalalitsoeng le pele ba kenya liodara tsa lihlahisoa kapa lits'ebeletso.
*Mabitso a mang le mabitso a mang a ka nkoa e le thepa ea ba bang.

Litokomane / Lisebelisoa

Intel AN 889 8K DisplayPort Video Format Conversion Design Example [pdf] Bukana ea Mosebelisi AN 889 8K DisplayPort Video Conversion Design Design Example, AN 889, 8K DisplayPort Video Conversion Design Design Example, Moqapi oa Phetoho ea Sebopeho Example, Moqapi oa Phetoho Example

Litšupiso

• Bukana ea Mosebelisi