Raspberry Pi CM 1 4S Compute Module
Tlhahisoleseding ya Sehlahiswa
Litlhaloso
- Sebopeho: processor
- Memori ea ho kena ka tšohanyetso: 1GB
- Memori e kentsoeng ea MultiMediaCard (eMMC): 0/8/16/32GB
- Ethernet: Ee
- Universal Serial Bus (USB): Ee
- HDMI: Ee
- Sebopeho sa Foromo: SODIMM
Litaelo tsa Tšebeliso ea Sehlahisoa
Fetoha ho tloha Compute Module 1/3 ho Compute Module 4S
Haeba u tloha ho Raspberry Pi Compute Module (CM) 1 kapa 3 ho ea ho Raspberry Pi CM 4S, latela mehato ena:
- Netefatsa hore o na le setšoantšo se lumellanang sa sistimi e sebetsang ea Raspberry Pi (OS) bakeng sa sethala se secha.
- Haeba u sebelisa kernel e tloaelehileng, review 'me u e lokise hore e tsamaisane le hardware e ncha.
- Nahana ka liphetoho tsa hardware tse hlalositsoeng bukeng ea litaelo bakeng sa phapang pakeng tsa mehlala.
Lintlha tsa Phepelo ea Matla
Etsa bonnete ba hore o sebelisa motlakase o loketseng o fihlelang litlhoko tsa matla tsa Raspberry Pi CM 4S ho qoba mathata.
Morero o akaretsang oa tšebeliso ea I/O (GPIO) Nakong ea Boot
Utloisisa boits'oaro ba GPIO nakong ea boot ho netefatsa ts'ebetso e nepahetseng le ts'ebetso ea lisebelisoa tse hokahantsoeng kapa lisebelisoa.
Lipotso tse atisang ho botsoa (FAQ)
P: Na nka sebelisa CM 1 kapa CM 3 sebakeng sa memori joalo ka sesebelisoa sa SODIMM?
A: Che, lisebelisoa tsena li ke ke tsa sebelisoa sebakeng sa memori e le sesebelisoa sa SODIMM. Foromo e etselitsoe ka ho khetheha hore e tsamaellane le mefuta ea Raspberry Pi CM.
Selelekela
Whitepaper ena ke ea ba lakatsang ho tloha ho sebelisa Raspberry Pi Compute Module (CM) 1 kapa 3 ho ea ho Raspberry Pi CM 4S. Ho na le mabaka a 'maloa a etsang hore sena se lakatsehe:
- Matla a maholo a khomphutha
- Mehopolo e eketsehileng
- Phaello ea maemo a holimo ho fihla ho 4Kp60
- Ho fumaneha ho betere
- Bophelo bo bolelele ba sehlahisoa (nako ea ho qetela u reke eseng pele ho Pherekhong 2028)
Ho latela pono ea software, ho tloha ho Raspberry Pi CM 1/3 ho ea ho Raspberry Pi CM 4S ha ho na bohloko, kaha setšoantšo sa Raspberry Pi system (OS) se lokela ho sebetsa lipolaneteng tsohle. Leha ho le joalo, haeba u sebelisa kernel e tloaelehileng, lintho tse ling li tla hloka ho nahanoa ha u ntse u tsamaea. Liphetoho tsa hardware li ngata, 'me liphapang li hlalosoa karolong e latelang.
Terminology
Sekepe sa litšoantšo tsa lefa: Setaki sa litšoantšo se kentsoeng tšebetsong ka botlalo ho VideoCore firmware blob e nang le sebopeho sa shim application se pepesitsoeng kernel. Sena ke se 'nileng sa sebelisoa ho boholo ba lisebelisoa tsa Raspberry Pi Ltd Pi ho tloha ha e qala, empa butle-butle e nkeloa sebaka ke (F)KMS/DRM.
FKMS: Fake Kernel Mode Setting. Ha firmware e ntse e laola lisebelisoa tsa boemo bo tlase (bakeng sa mohlalaample likou tsa HDMI, Display Serial Interface, joalo-joalo), lilaebrari tse tloaelehileng tsa Linux li sebelisoa kernel ka boeona.
KMS: Mokhanni o felletseng oa Kernel Mode Setting. E laola ts'ebetso eohle ea ponts'o, ho kenyelletsa ho bua le Hardware ka kotloloho ntle le tšebelisano ea firmware.
DRM: Direct Rendering Manager, tsamaiso e nyenyane ea Linux kernel e sebelisoang ho buisana le likarolo tsa ts'ebetso ea litšoantšo. E sebelisoa ka kopanelo le FKMS le KMS.
Compute Module papiso
Liphapang tsa tšebetso
Tafole e latelang e fana ka maikutlo a liphapang tsa mantlha tsa motlakase le ts'ebetso lipakeng tsa mehlala.
| Sebopeho | CM 1 | CM 3/3+ | CM 4S |
| processor | EA-2835 | EA-2837 | EA-2711 |
| Memori ea phihlello e sa reroang | 512MB | 1GB | 1GB |
| Memori e kentsoeng ea MultiMediaCard (eMMC). | — | 0/8/16/32GB | 0/8/16/32GB |
| Ethernet | Ha ho letho | Ha ho letho | Ha ho letho |
| Universal Serial Bus (USB) | 1 × USB 2.0 | 1 × USB 2.0 | 1 × USB 2.0 |
| HDMI | 1 × 1080p60 | 1 × 1080p60 | 1 × 4K |
| Sebopeho sa sebopeho | SODIMM | SODIMM | SODIMM |
Ho se tšoane 'meleng
Raspberry Pi CM 1, CM 3/3+, le CM 4S form factor e thehiloe ho pota-pota sehokelo se senyenyane sa inline inline memory module (SODIMM). Sena se fana ka tsela ea ntlafatso e lumellanang le 'mele lipakeng tsa lisebelisoa tsena.
HLOKOMELA
Lisebelisoa tsena li ke ke tsa sebelisoa sekoting sa memori joalo ka sesebelisoa sa SODIMM.
Lintlha tsa phepelo ea motlakase
Raspberry Pi CM 3 e hloka yuniti ea phepelo ea matla a kantle a 1.8V (PSU). Raspberry Pi CM 4S ha e sa sebelisa seporo sa kantle sa 1.8V PSU kahoo lithakhisa tsena tse ho Raspberry Pi CM 4S ha li sa hokahanngoa. Sena se bolela hore liboto tsa kamoso ha li na ho hloka hore ho kenngoe molaoli, e leng ho nolofatsang tatellano ea matla. Haeba liboto tse seng li ntse li e-na le +1.8V PSU, ha ho kotsi e tla etsahala ho Raspberry Pi CM 4S.
Raspberry Pi CM 3 e sebelisa sistimi ea BCM2837 ho chip (SoC), athe CM 4S e sebelisa BCM2711 SoC e ncha. BCM2711 e na le matla a mangata a ho sebetsa a fumanehang, ka hona hoa khonahala, e le hantle, hore e sebelise matla a mangata. Haeba sena e le taba e khathatsang, ho ka thusa ho fokotsa lebelo le holimo la oache ho config.txt.
Sepheo se akaretsang sa tšebeliso ea I/O (GPIO) nakong ea boot
Ho qala ka hare ho Raspberry Pi CM 4S ho qala ho tloha ka hare ho serial peripheral interface (SPI) ka mokhoa oa elektronike e ka hlakolohang memori ea ho bala feela (EEPROM) e sebelisa BCM2711 GPIO40 ho GPIO43 pin; hang ha booting e felile BCM2711 GPIOs e fetisetsoa ho sehokelo sa SODIMM 'me kahoo itšoare joaloka Raspberry Pi CM 3. Hape, haeba ho hlokahala ntlafatso ea tsamaiso ea EEPROM (sena ha se khothalletsoe) joale GPIO pins GPIO40 ho GPIO43 ho tloha ho BCM2711 ho khutlela ho hokahaneng le SPI EEPROM kahoo lithakhisa tsena tsa GPIO ho Sehokelo sa SODIMM ha se sa laoloa ke BCM2711 nakong ea ts'ebetso ea ntlafatso.
Boitšoaro ba GPIO ho matla a pele ho
Mehala ea GPIO e ka ba le ntlha e khutšoanyane haholo nakong ea ho qala moo e sa huloang tlaase kapa holimo, kahoo e etsa hore boitšoaro ba bona bo se ke ba lebelloa. Boitšoaro bona bo sa tsitsang bo ka fapana lipakeng tsa CM3 le CM4S, hape le ka mefuta e fapaneng ea li-chip batch sesebelisoa se le seng. Maemong a mangata a ts'ebeliso sena ha se na phello ts'ebelisong, leha ho le joalo, haeba u na le heke ea MOSFET e hokelletsoeng ho GPIO ea naha e meraro, sena se ka beha kotsing ea matla leha e le afe a khelohileng a tšoereng li-volts le ho bulela sesebelisoa leha e le sefe se hokahaneng se theohelang tlase. Ke mokhoa o motle ho netefatsa hore heke e thibelang ho tsoa mali fatše e kenyelelitsoe moralong oa boto, ebang o sebelisa CM3 kapa CM4S, e le hore litefiso tsena tsa capacitive li tlosoe.
Litefiso tse sisintsoeng bakeng sa sehanyetsi li pakeng tsa 10K le 100K.
E thibela eMMC
Ho Raspberry Pi CM 3, EMMC_Disable_N ka motlakase e thibela matšoao ho fihlella eMMC. Ho Raspberry Pi CM 4S letšoao lena le baloa nakong ea boot ho etsa qeto ea hore na eMMC kapa USB e lokela ho sebelisoa bakeng sa booting. Phetoho ena e lokela ho ba pepeneneng lits'ebetsong tse ngata.
EEPROM_WP_N
Lihoete tsa Raspberry Pi CM 4S tse tsoang ho EEPROM ea onboard e hlophisitsoeng nakong ea tlhahiso. EEPROM e na le tšobotsi e sireletsang ea ho ngola e ka sebelisoang ka software. Pini e ka ntle e boetse e fanoa ho tšehetsa tšireletso ea ho ngola. Pini ena e holim'a pinout ea SODIMM e ne e le pini ea fatše, kahoo ka ho feletseng haeba tšireletso ea ho ngola e nolofalitsoe ka software EEPROM e ngotsoe e sirelelitsoe. Ha e khothalletsoe hore EEPROM e ntlafatsoe tšimong. Hang ha nts'etsopele ea tsamaiso e phethiloe EEPROM e lokela ho ngoloa-e sirelelitsoe ka software ho thibela liphetoho tsa tšimo.
Liphetoho tsa software lia hlokahala
Haeba u sebelisa Raspberry Pi OS e ntlafalitsoeng ka botlalo, liphetoho tsa software tse hlokahalang ha li tsamaea lipakeng tsa liboto tsa Raspberry Pi Ltd li nyane; sistimi e iphumanela hore na ke boto efe e sebetsang mme e tla theha sistimi ea ts'ebetso ka nepo. Kahoo, bakeng sa mohlalaample, o ka tsamaisa setšoantšo sa hau sa OS ho tloha ho Raspberry Pi CM 3+ ho ea ho Raspberry Pi CM 4S 'me e lokela ho sebetsa ntle le liphetoho.
HLOKOMELA
U lokela ho etsa bonnete ba hore kopo ea hau ea Raspberry Pi OS e nakong ka ho sebelisa mochini o tloaelehileng oa ntlafatso. Sena se tla netefatsa hore lisebelisoa tsohle tsa firmware le kernel li loketse sesebelisoa se sebelisoang.
Haeba u ntse u iketsetsa kernel ea hau e nyane kapa u na le litlhophiso lifensetereng tsa boot, ho ka 'na ha e-ba le libaka tseo u tla hloka ho etsa bonnete ba hore u sebelisa setup se nepahetseng, li-overlays le bakhanni.
Ha o ntse o sebelisa Raspberry Pi OS e ntlafalitsoeng e lokela ho bolela hore phetoho e hlakile hantle, bakeng sa lits'ebetso tse ling tsa 'tšepe e se nang letho' ho ka etsahala hore liaterese tse ling tsa memori li fetoloe mme ho hlokahala hore kopo e boele e be teng. Sheba litokomane tsa peripherals tsa BCM2711 bakeng sa lintlha tse ling mabapi le likarolo tse ling tsa BCM2711 le liaterese tsa ngoliso.
Ho nchafatsa firmware ho sistimi ea khale
Maemong a mang ho kanna ha se khonehe ho ntlafatsa setšoantšo ho mofuta oa morao-rao oa Raspberry Pi OS. Leha ho le joalo, boto ea CM4S e ntse e tla hloka firmware e ntlafalitsoeng hore e sebetse ka nepo. Ho na le pampiri e tšoeu e fumanehang ho tsoa ho Raspberry Pi Ltd e hlalosang ntlafatso ea firmware ka botlalo, leha ho le joalo, ka bokhutšoanyane, ts'ebetso e tjena:
Khoasolla firmware files ho tsoa sebakeng se latelang: https://github.com/raspberrypi/firmware/archive/refs/heads/stable.zip
Zip ena file e na le lintho tse 'maloa tse fapaneng, empa tseo re li thahasellang stagli ka har'a foldara ea boot.
Firmware files na le mabitso a foromo qala*.elf le tšehetso ea bona e amanang le eona files fixup*.dat.
Molao-motheo oa mantlha ke ho kopitsa qalo e hlokahalang le tokiso files ho tloha zip ena file ho nkela sebaka se tšoanang se bitsoang files setšoantšong sa sistimi ea ts'ebetso ea sebaka. Ts'ebetso e nepahetseng e tla itšetleha ka hore na sistimi ea ts'ebetso e thehiloe joang, empa joalo ka example, ke kamoo e neng e tla etsoa setšoantšong sa Raspberry Pi OS.
- Tlosa kapa bula zip file kahoo o ka fihlella se hlokahalang files.
- Bula foldara ea boot ho setšoantšo sa OS (sena se ka ba kareteng ea SD kapa kopi e thehiloeng ho disk).
- Etsa qeto ea hore na ke qalo efe.elf le fixup.dat files li teng setšoantšong sa OS se eang teng.
- Kopitsa tseo files ho tloha polokelong ea zip ho ea setšoantšong sa moo u eang teng.
Setšoantšo se lokela ho ba se loketse ho sebelisoa ho CM4S.
Litšoantšo
Ka mokhoa o ikhethileng, Raspberry Pi CM 1-3+ e sebelisa pokello ea litšoantšo tsa lefa, ha Raspberry Pi CM 4S e sebelisa stack ea litšoantšo ea KMS.
Leha ho ka khoneha ho sebelisa stack ea litšoantšo tsa lefa ho Raspberry Pi CM 4S, sena ha se tšehetse ho potlakisa 3D, kahoo ho fallela KMS hoa khothaletsoa.
HDMI
Le ha BCM2711 e na le likou tse peli tsa HDMI, ke HDMI-0 feela e fumanehang ho Raspberry Pi CM 4S, mme sena se ka tsamaisoa ho fihla ho 4Kp60. Li-interfaces tse ling kaofela (DSI, DPI le composite) ha li fetohe.
Raspberry Pi ke lets'oao la khoebo la Raspberry Pi Ltd
Raspberry Pi Ltd
Litokomane / Lisebelisoa
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Raspberry Pi CM 1 4S Compute Module [pdf] Bukana ea Mosebelisi CM 1, CM 1 4S Compute Module, 4S Compute Module, Compute Module, Mojule |
