Rasberi Pi CM 1 4S Ƙididdigar Module
Bayanin samfur
Ƙayyadaddun bayanai
- Siffa: Mai sarrafawa
- Ƙwaƙwalwar Ƙwaƙwalwar Hanya: 1GB
- Ƙwaƙwalwar ajiya na MultiMediaCard (eMMC): 0/8/16/32GB
- Ethernet: Ee
- Serial Bus (USB): Ee
- HDMI: Ee
- Factor Factor: SODIMM
Umarnin Amfani da samfur
Canjawa daga Ƙididdigar Ƙididdigar 1/3 zuwa Ƙididdigar Module 4S
Idan kuna canzawa daga Rasberi Pi Compute Module (CM) 1 ko 3 zuwa Rasberi Pi CM 4S, bi waɗannan matakan:
- Tabbatar cewa kuna da hoton Rasberi Pi mai dacewa da tsarin aiki (OS) don sabon dandamali.
- Idan ana amfani da kwaya ta al'ada, sakeview kuma daidaita shi don dacewa da sabon kayan aikin.
- Yi la'akari da canje-canjen kayan aikin da aka bayyana a cikin littafin don bambance-bambance tsakanin samfura.
Bayanin Samar da Wutar Lantarki
Tabbatar yin amfani da ingantaccen wutar lantarki wanda ya dace da buƙatun wutar lantarki na Rasberi Pi CM 4S don guje wa kowace matsala.
Amfani da Babban Manufar I/O (GPIO) Lokacin Boot
Fahimtar ɗabi'ar GPIO yayin taya don tabbatar da ingantaccen farawa da aiki na abubuwan haɗin gwiwa ko na'urorin haɗi.
Tambayoyin da ake yawan yi (FAQ)
Q: Zan iya amfani da CM 1 ko CM 3 a cikin ramin ƙwaƙwalwar ajiya azaman na'urar SODIMM?
A: A'a, waɗannan na'urori ba za a iya amfani da su a cikin ramin ƙwaƙwalwar ajiya azaman na'urar SODIMM ba. An ƙera nau'in nau'i na musamman don dacewa da samfuran Rasberi Pi CM.
Gabatarwa
Wannan farar takarda ga waɗanda ke son ƙaura daga amfani da Rasberi Pi Compute Module (CM) 1 ko 3 zuwa Rasberi Pi CM 4S. Akwai dalilai da yawa da ya sa wannan na iya zama kyawawa:
- Babban ikon sarrafa kwamfuta
- Ƙarin ƙwaƙwalwar ajiya
- Mafi girman fitarwa har zuwa 4Kp60
- Mafi kyawun samuwa
- Rayuwar samfur mai tsayi (lokacin ƙarshe na siyan ba kafin Janairu 2028)
Daga hangen nesa na software, ƙaura daga Rasberi Pi CM 1/3 zuwa Rasberi Pi CM 4S ba shi da ɗanɗano kaɗan, kamar yadda tsarin aikin Rasberi Pi (OS) ya kamata yayi aiki akan duk dandamali. Idan, duk da haka, kuna amfani da kwaya ta al'ada, ana buƙatar yin la'akari da wasu abubuwa a cikin motsi. Canje-canjen kayan aikin suna da yawa, kuma an bayyana bambance-bambancen a wani sashe na gaba.
Kalmomi
Tarin hoto na Legacy: Tarin zane gabaɗaya aiwatar da shi a cikin ɓangarorin firmware na VideoCore tare da keɓantattun shirye-shiryen aikace-aikacen shim wanda aka fallasa ga kernel. Wannan shine abin da aka yi amfani da shi akan yawancin na'urorin Raspberry Pi Ltd Pi tun ƙaddamarwa, amma a hankali ana maye gurbinsu da (F) KMS/DRM.
FKMS: Saitin Yanayin Kernel na Karya. Yayin da firmware har yanzu ke sarrafa ƙananan kayan aikin (misaliampko tashar jiragen ruwa na HDMI, Nuni Serial Interface, da sauransu), ana amfani da daidaitattun ɗakunan karatu na Linux a cikin kwaya kanta.
KMS: Cikakken Direba Saitin Yanayin Kernel. Yana sarrafa duk tsarin nuni, gami da magana da kayan aikin kai tsaye ba tare da mu'amalar firmware ba.
DRM: Manajan Rendering kai tsaye, tsarin tsarin kernel na Linux da ake amfani da shi don sadarwa tare da sassan sarrafa hoto. Ana amfani da haɗin gwiwa tare da FKMS da KMS.
Yi lissafin kwatancen Module
Bambance-bambancen aiki
Teburin da ke gaba yana ba da wasu ra'ayi na ainihin bambance-bambancen lantarki da aiki tsakanin ƙirar.
| Siffar | CM 1 | CM 3/3+ | Farashin CM4S |
| Mai sarrafawa | BCM 2835 | BCM 2837 | BCM 2711 |
| Ƙwaƙwalwar samun damar bazuwar | 512MB | 1GB | 1GB |
| Ƙwaƙwalwar MultiMediaCard (eMMC). | — | 0/8/16/32GB | 0/8/16/32GB |
| Ethernet | Babu | Babu | Babu |
| Serial Bus (USB) | 1 × USB 2.0 | 1 × USB 2.0 | 1 × USB 2.0 |
| HDMI | 1 × 1080p60 | 1 × 1080p60 | 1 × 4k |
| Fasali | SODIMM | SODIMM | SODIMM |
Bambance-bambancen jiki
Rasberi Pi CM 1, CM 3/3+, da CM 4S nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in CM XNUMXS sun dogara ne a kusa da wani ƙaramin-shari'a mai haɗin layi na layi (SODIMM). Wannan yana ba da hanyar haɓakawa mai jituwa ta zahiri tsakanin waɗannan na'urori.
NOTE
Ba za a iya amfani da waɗannan na'urori a cikin ramin ƙwaƙwalwar ajiya azaman na'urar SODIMM ba.
Bayanin samar da wutar lantarki
Rasberi Pi CM 3 yana buƙatar naúrar samar da wutar lantarki ta waje ta 1.8V (PSU). Rasberi Pi CM 4S baya amfani da layin dogo na PSU na waje na 1.8V don haka ba a haɗa waɗannan fil a kan Rasberi Pi CM 4S ba. Wannan yana nufin cewa allunan tushe na gaba ba za su buƙaci na'urar daidaitawa ba, wanda ke sauƙaƙa jerin abubuwan da ke kan wuta. Idan allunan da ke akwai sun riga sun sami +1.8V PSU, babu lahani da zai faru ga Rasberi Pi CM 4S.
Rasberi Pi CM 3 yana amfani da tsarin BCM2837 akan guntu (SoC), yayin da CM 4S ke amfani da sabon BCM2711 SoC. BCM2711 yana da ƙarin ƙarfin sarrafawa da ake samu, don haka yana yiwuwa, tabbas, don ya ci ƙarin ƙarfi. Idan wannan abin damuwa ne to iyakance iyakar adadin agogo a cikin config.txt zai iya taimakawa.
Babban manufar I/O (GPIO) amfani yayin taya
Yin booting na ciki na Rasberi Pi CM 4S yana farawa daga keɓaɓɓiyar keɓancewar siriyal na ciki (SPI) ta hanyar lantarki mai gogewa mai karantawa kawai ƙwaƙwalwar ajiya (EEPROM) ta amfani da BCM2711 GPIO40 zuwa GPIO43 fil; da zarar booting ya cika BCM2711 GPIOs suna canzawa zuwa mai haɗin SODIMM don haka suyi aiki kamar Rasberi Pi CM 3. Har ila yau, idan ana buƙatar haɓakawa na cikin tsarin EEPROM (wannan ba a ba da shawarar ba) to GPIO fil GPIO40 zuwa GPIO43 daga BCM2711 komawa zuwa haɗawa da SPI EEPROM don haka waɗannan GPIO fil akan mahaɗin SODIMM BCM2711 baya sarrafa shi yayin aikin haɓakawa.
Halin GPIO akan kunnawa na farko
Layukan GPIO na iya samun ɗan gajeren lokaci yayin farawa inda ba a ja su ƙasa ko babba, don haka ba za a iya tsinkaya halayensu ba. Wannan halin rashin tantancewa zai iya bambanta tsakanin CM3 da CM4S, da kuma tare da bambancin guntu akan na'ura ɗaya. A mafi yawan lokuta na amfani wannan ba shi da wani tasiri akan amfani, duk da haka, idan kuna da ƙofar MOSFET da ke haɗe zuwa GPIO na jihohi uku, wannan na iya yin haɗari ga duk wani ƙarfin da ya ɓace yana riƙe da volts da kunna kowace na'urar da aka haɗa ta ƙasa. Yana da kyau a tabbatar da cewa an shigar da resistor na ƙofa zuwa ƙasa a cikin ƙirar allon, ko ta amfani da CM3 ko CM4S, ta yadda waɗannan cajin masu ƙarfi suna zubar da jini.
Ƙimar da aka ba da shawara don resistor suna tsakanin 10K da 100K.
Kashe eMMC
Akan Rasberi Pi CM 3, EMMC_Disable_N ta hanyar lantarki yana hana sigina shiga eMMC. Akan Rasberi Pi CM 4S ana karanta wannan siginar yayin taya don yanke shawarar ko ya kamata a yi amfani da eMMC ko USB don yin taya. Wannan canjin yakamata ya zama bayyananne ga yawancin aikace-aikacen.
EEPROM_WP_N
Rasberi Pi CM 4S takalma daga cikin EEPROM na kan jirgi wanda aka tsara yayin kerawa. EEPROM yana da fasalin kariyar rubutu wanda za'a iya kunna ta ta software. Hakanan ana bayar da fil na waje don tallafawa kariyar rubutu. Wannan fil akan pinout na SODIMM shine fil ɗin ƙasa, don haka ta tsohuwa idan an kunna kariyar rubutu ta software ana rubuta EEPROM ɗin kariya. Ba a ba da shawarar cewa a sabunta EEPROM a filin ba. Da zarar ci gaban tsarin ya cika ya kamata a kiyaye EEPROM ta hanyar software don hana canje-canje a cikin filin.
Ana buƙatar canjin software
Idan kana amfani da cikakken sabunta Rasberi Pi OS to software yana canza canjin da ake buƙata lokacin motsi tsakanin kowace allunan Raspberry Pi Ltd kaɗan ne; tsarin zai gano ta atomatik wanda allon yake aiki kuma zai saita tsarin aiki yadda ya kamata. Don haka, ga exampDon haka, zaku iya motsa hoton OS ɗinku daga Rasberi Pi CM 3+ zuwa Rasberi Pi CM 4S kuma yakamata yayi aiki ba tare da canje-canje ba.
NOTE
Ya kamata ku tabbatar da cewa shigarwar Raspberry Pi OS ɗinku ya kasance na zamani ta hanyar yin daidaitaccen tsarin ɗaukakawa. Wannan zai tabbatar da cewa duk firmware da kernel software sun dace da na'urar da ake amfani da ita.
Idan kuna haɓaka ginin kernel ɗinku kaɗan ko kuna da kowane gyare-gyare a cikin babban fayil ɗin taya to akwai wasu wuraren da zaku buƙaci tabbatar da cewa kuna amfani da saitin daidai, overlays, da direbobi.
Yayin amfani da sabuntawar Rasberi Pi OS yakamata ya nuna cewa canjin ya kasance a bayyane, don wasu aikace-aikacen 'karfe bare' yana yiwuwa wasu adiresoshin ƙwaƙwalwar ajiya sun canza kuma ana buƙatar sake fasalin aikace-aikacen. Dubi takaddun bayanan BCM2711 don ƙarin cikakkun bayanai kan ƙarin fasalulluka na BCM2711 da adiresoshin rajista.
Ana ɗaukaka firmware akan tsohuwar tsarin
A wasu yanayi maiyuwa ba zai yiwu a sabunta hoto zuwa sabon sigar Raspberry Pi OS ba. Koyaya, hukumar CM4S zata buƙaci sabunta firmware don aiki daidai. Akwai farar takarda da ake samu daga Raspberry Pi Ltd wanda ke bayanin sabunta firmware daki-daki, duk da haka, a takaice, tsarin shine kamar haka:
Zazzage firmware files daga wuri mai zuwa: https://github.com/raspberrypi/firmware/archive/refs/heads/stable.zip
Wannan zip file ya ƙunshi abubuwa daban-daban, amma waɗanda muke sha'awar wannan stage suna cikin babban fayil ɗin boot.
Firmware files suna da sunayen fara fara* .elf da goyon bayansu masu alaƙa files fixup*.dat.
Mahimmin ƙa'idar ita ce kwafi farawa da gyara da ake buƙata files daga wannan zip file don maye gurbin guda mai suna files akan hoton tsarin aiki na manufa. Daidaitaccen tsari zai dogara ne akan yadda aka kafa tsarin aiki, amma a matsayin tsohonampto, wannan shine yadda za'a yi akan hoton Rasberi Pi OS.
- Cire ko buɗe zip ɗin file don haka za ku iya samun dama ga abin da ake bukata files.
- Bude babban fayil ɗin taya akan hoton OS ɗin da aka nufa (wannan na iya zama akan katin SD ko kwafin tushen diski).
- Ƙayyade abin farawa.elf da fixup.dat files suna nan akan hoton OS mai zuwa.
- Kwafi wadancan files daga zip archive zuwa hoton da aka nufa.
Hoton ya kamata yanzu ya kasance a shirye don amfani akan CM4S.
Zane-zane
Ta hanyar tsoho, Rasberi Pi CM 1-3+ suna amfani da tarin zane-zane na gado, yayin da Rasberi Pi CM 4S ke amfani da tarin zane-zane na KMS.
Duk da yake yana yiwuwa a yi amfani da tarin kayan tarihi na gado akan Rasberi Pi CM 4S, wannan baya goyan bayan haɓakar 3D, don haka ana ba da shawarar matsawa zuwa KMS.
HDMI
Yayin da BCM2711 yana da tashar jiragen ruwa na HDMI guda biyu, HDMI-0 kawai yana samuwa akan Rasberi Pi CM 4S, kuma ana iya fitar da wannan har zuwa 4Kp60. Duk sauran mu'amalar nuni (DSI, DPI da hadawa) ba su canzawa.
Raspberry Pi alamar kasuwanci ce ta Raspberry Pi Ltd
Raspberry Pi Ltd. girma
Takardu / Albarkatu
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Rasberi Pi CM 1 4S Ƙididdigar Module [pdf] Jagorar mai amfani CM 1, CM 1 4S Module Lissafi |
