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O le a le mea e fa'aoga ai se Taulaga Fa'asologa?

2024-10-16 11:19:28

O le laina telefoni o se feso'ota'iga komepiuta autu mo feso'ota'iga fa'asologa i le va o masini. E ese mai ports tutusa, e auina atu faʻamatalaga uma i le taimi e tasi. Nai lo lena, o le telefoni fa'asalalau e lafo fa'amaumauga ta'itasi i le taimi, i luga o le ala e tasi.

O le mea lea e taua tele mo le fa'alagolagoina o fa'amatalaga. E fa'aaogaina i modem, lomitusi, ma mea faigaluega e fa'ailoa ai fa'afitauli. E masani ona faʻaogaina e laina telefoni le RS-232 protocol. O lenei mea e mafai ai ona faigofie fesoʻotaʻiga faʻamatalaga-i-itu, faʻafesoʻotaʻi se komepiuta i isi masini.

O tau fa'asologa e le na'o le fa'asoaina o fa'amatalaga autu. E taua foi mo faʻafouga firmware ma galulue faʻatasi ma faiga faʻatonutonu. O lo latou faigofie ma le aoga e tumau ai le aoga, e oo lava i tekinolosi fou. O le iloa pe faʻafefea ona faʻaogaina ports o le ki, aemaise lava mo pisinisi o loʻo faʻaogaina faiga tuai.

Lisi o Mataupu

1. Vaega Autu o se Taulaga Fa'asologa
2. Fa'afefea ona Galulue Taulaga Fa'asologa?
3. O le a le mea e fa'aogaina ai se Taulaga Fa'asologa?
4. Taulaga Fa'asologa i Fa'amatalaga Fa'aonaponei
5. Fa'atulagaina ma Fa'atulagaina se Taulaga Fa'asologa
6. Taulaga Serial vs. Isi Feso'ota'iga Feso'ota'iga
7. Meafaigaluega ma mea fa'aoga mo Feso'ota'iga Tau Tele

Avea'i Autu

O taulaga fa'asologa e mafai ai ona feso'ota'i fa'asologa i le va o masini.

E taua mo talosaga eseese e aofia ai modems ma lomitusi.

E masani ona fa'aoga le RS-232 protocol mo le fa'aliliuina o fa'amatalaga.

Fa'afaigofie feso'ota'iga i lea itu ma lea itu mo le fa'amaoni.

Ki i fa'afouga firmware ma fa'atonutonu faiga fa'afeso'ota'i.

E tumau pea le talafeagai i komepiuta faʻaonaponei faʻatasi ma tekinolosi fou.

Vaega Autu o se Taulaga Fa'asologa

O le malamalama i vaega ole uafu fa'asologa e fesoasoani tatou te iloa ai pe fa'apefea ona fa'aoga ma pe fa'apefea ona fa'aoga. O feso'ota'iga ma uaea e fa'aaogaina mo le fesiitaiga o fa'amaumauga e taua. Ole feso'ota'iga D-subminiature e taatele, fa'atasi ai ma ituaiga e pei ole DE-9 ma le DB-25 mo fa'aoga eseese.

Malamalama i Feso'ota'iga Serial

O laina laina, pei o le null modem cable, e taua tele mo feso'ota'iga masini. E iai a latou pine fa'apitoa mo le lafoina ma le mauaina o fa'amaumauga. E taua tele lenei mo masini e talanoa le tasi i le isi.

E taua tele le fa'atonutonuina o tulaga o le voltage mo le lelei o fa'amaumauga. Ole fua ole baud, po'o le saoasaoa o fa'amaumauga, e a'afia ai le lelei o le galulue fa'atasi o masini. Ole laulau lea e fa'aalia ai nisi feso'ota'iga fa'asologa masani:

Ituaiga Feso'ota'i	Faitauga Pin	Fa'aoga masani	Tulaga Malosi	Fua Faatatau o le Baud masani
D-la'iitiiti (DE-9)	9	Komipiuta tuai, Masini Fa'asologa	-12V i le +12V	300 i le 115200 bps
DB-25	25	Lomitusi, Modems	-12V i le +12V	300 i le 115200 bps

E fa'afefea ona galue Taulaga Serial?

O taulaga fa'asologa e lafo fa'amaumauga e ala i feso'ota'iga asynchronous. O lona uiga o fa'amaumauga e lafo e aunoa ma le fa'asa'i o uati. O le ki mo le manino ma le lelei o fefaʻatauaiga o faʻamatalaga i komepiuta.

Faiga Fa'asalalau Fa'amatalaga

Feso'ota'iga fa'asologa e fa'aaogaina auala autu e lua: fa'aoga lima ma masini komepiuta. O lo'o fa'aoga lima fa'apolokalame fa'ailoga mo le taimi. E fa'alagolago le lima fa'akomepiuta i mataitusi fa'atonutonu mo le fa'amoemoe lava e tasi.

O feso'ota'iga fa'asologa e mafai ona afa-duplex po'o full-duplex. Half-duplex e auina atu faʻamatalaga i le tasi auala i le taimi, faʻagesegese fesoʻotaʻiga. Full-duplex e auina atu faʻamatalaga i auala uma i le taimi e tasi, faʻavavevave fesoʻotaʻiga.

O laina telefoni ta'itasi e iai lona tuatusi IRQ ma le tuatusi I/O. O nei tuatusi e fesoasoani e fa'asa'o fa'amatalaga i le nofoaga sa'o i totonu o le komepiuta. E mafai e le calculator fua o le pa'u ona maua le fua o le pa'u sili mo masini.

O le a le mea e fa'aoga ai se Taulaga Fa'asologa?

Serial ports e ki i le tele o eria, aemaise lava i le faʻaogaina o masini ma masini faʻafesoʻotaʻi. Latou te faʻafesoʻotaʻi vaega eseese o meafaigaluega, faʻafaigofie fesoʻotaʻiga. E moni lenei mea mo faiga tuai ma fou, faʻamautinoa latou te lelei.

Talosaga ma Fa'aoga Tulaga

I fa'alapotopotoga fa'apisinisi, fa'afeso'ota'i uafu fa'asologa masini e pulea faiga. O lenei mea e faʻateleina ai le mataʻituina ma faʻaleleia atili ai gaioiga. E taua foʻi mo le faʻapipiʻiina, fesoasoani e suʻe ma faʻaleleia mea sese i le taimi o le atinaʻe.

E o'o lava i faiga tuai e fa'aogaina ports, e fa'aalia ai le umi o lenei tekonolosi. O faiga fa'apipi'i, e pei oi latou o lo'o maua i GPS, e fa'alagolago fo'i i ai. E mafua ona latou te manaʻomia le faʻafesoʻotaʻi masini eseese mo le suʻeina o nofoaga.

E fa'aogaina e le fa'ata'ita'iga fa'alava ia ports e fa'atautaia ai fa'amafanafanaga. E taua tele lenei mo le faʻatinoina o faʻatonuga ma le siakiina o faʻatulagaga o le system. E taua tele mo le pulea lelei o masini ma le pulea lelei o faiga.

Taulaga Fa'asologa i Fa'amatalaga Fa'aonaponei

O uafu fa'asologa e ono foliga tuai, ae o lo'o taua pea i aso nei. Tele masini, pei o USB adapters, fa'afaigofie ona fa'aoga i faiga fou. O lona uiga o faiga tuai ma le tele o masini e mafai lava ona faʻaogaina ports serial.

Evolution ma Fa'atatau i le taimi nei

O nisi vaega taua, e pei o faiga fa'atonutonu, o lo'o mana'omia pea ports serial. E faigofie ma faatuatuaina. O auala fou e fa'afeso'ota'i ai masini e fa'aoga ai ports serial ma tekinolosi fa'aonaponei. Ole laulau lea e fa'aalia ai pe aisea e aoga ai pea ports i aso nei.

Fa'aaliga	Taulaga Fa'asologa	USB & Ethernet
Talatuu Fegalegaleai	Maualuga	Fesuia'i
Metotia Fa'aliliuina Fa'amatalaga	Fa'asalalau Fa'amatalaga Fa'asologa	Fa'avae-Packet
Avanoa Fa'atatau	Meafaigaluega, Faiga Pulea	Fa'aliliuga Fa'amatalaga Lautele
Lagolago masini	Ta'atele i Legacy Systems	Lagolago Lautele
Faigofie o Fa'atasi	Fa'alagolago ile Abstract o Meafaigaluega	E masani ona Faigofie

Fa'atulagaina ma Fa'atulagaina se Taulaga Fa'asologa

O le fa'atulagaina o se laina telefoni o le ki lea mo masini e talanoa le tasi i le isi. O le fetuutuunaiga o le uafu sa'o e mautinoa ai le fesuia'i lelei o fa'amatalaga. Muamua, fuafua po'o le a le tulaga e mana'omia e lau masini.

Laasaga Manaomia ma Faiga Fa'atonu

O le mauaina o tulaga sa'o e aofia ai ni nai laasaga taua:

1. Filifili le numera sa'o COM port mo lau masini.

2. Filifili le fua o le baud mo le saoasaoa o faʻamatalaga. O tau e pei ole 9600, 19200, ma le 115200 e masani ai.

3. Fa'aoga 8 fa'amaumauga mo feso'ota'iga masani.

4. Seti vaega tutusa e teu ai faʻamatalaga saogalemu. E le mafai ona e filifilia se tasi, tutusa, pe ese.

5. Filifili mea taofi, masani lava 1 pe 2.

Fa'afetai ile plug-and-play tech, tele faiga e fa'apipi'i otometi. Ae, o nisi masini atonu e manaʻomia le faʻatulagaina o tusi lesona mo le faʻatulagaina o le COM port.

E taua foi le seti sa'o o le pulea o le tafe. E fesoasoani lea i le fa'afoeina o fa'amaumauga ma fa'asaogalemū ai fa'amatalaga. O le iloa e uiga i le faʻafefe o le paʻu e taua tele, aua e mafai ona mafua ai le leiloa poʻo ni faʻafitauli. O le fa'aaogaina o fa'ailoga sa'o e mafai ona fesoasoani e 'alofia nei fa'afitauli.

Faatulagaina	Fa'amatalaga
Taulaga COM	Le numera o le taulaga ua fa'ailoaina e le fa'agaioiga faiga.
Fua Faatatau o Baud	Ole saosaoa ole fa'asalalauina ole fa'amatalaga e fua ile pa'u ile sekone.
Fa'amatalaga Bits	Ole numera o bits i totonu o faʻamaumauga taʻitasi; tulaga masani e 8 bits.
Fa'atasi	Metotia siaki sese, o filifiliga e aofia ai leai se tasi, e oo lava, pe ese.
Taofi Bits	Fa'ailoa le pito o se fa'amaumauga; masani 1 pe 2 bits.
Pulea o le tafe	Faiga mo le puleaina o faʻamatalaga faʻamatalaga; filifiliga e aofia ai meafaigaluega ma polokalama.
Fa'asologa o Fa'ailoga	Tekinolosi mo le puleaina ma le faʻaleleia o le faʻamaoni o faʻamatalaga faʻamatalaga.

O tau fa'asologa ma isi feso'ota'iga e eseese fa'aoga. E tofu i latou ma mea fa'apitoa mo mana'oga fa'apitoa i galuega ma tulaga patino.

Iloiloga Faatusatusa

O taulaga fa'asologa e lafo fa'amaumauga ta'itasi i le taimi. E fesoasoani lea e 'alofia ai le fa'aleagaina o fa'ailo ile mamao mamao. E fa'atuatuaina feso'ota'iga fa'asologa i nisi tulaga. I le isi itu, o le USB e televave ma sili atu ona faʻaogaina mo le tele o masini faʻaonaponei.

I tulaga o galuega, e masani ona sili atu ports serial mo lo latou faigofie ma le faʻamaoni. E lelei tele mo masini filifili daisy ma se uaea fa'alava. Ole mea lea e fa'afaigofie ai le fa'atulagaina nai lo le lavelave fa'atulagaina fa'apipi'i e mana'omia mo Ethernet.

Fa'aaliga	Taulaga Fa'asologa	Taulaga Fa'atasi	USB	Ethernet
Tuuina atu o Faamatalaga	Fa'asologa	Fa'atasi	Universal (fa'avae fa'asologa)	Suiga-pakeke
Tapulaa Mamao	E umi e aunoa ma se fa'aleagaina	Puupuu ona o felafolafoaiga	feololo	Umi (ma uaea fa'atulagaina)
Ituaiga So'oga	Daisy-chaining	Fa'asino-i-itu	Hub topology	Topology o feso'otaiga
Fa'aoga masani	Mea faigaluega fa'apisinisi	Lomitusi tuai	Peripheral fa'aonaponei	Fesootaiga ma initaneti

Meafaigaluega ma mea fa'aoga mo Feso'ota'iga Tau Tele

Feso'ota'iga lelei e ala i uafu fa'asologa e mana'omia ai meafaigaluega ma mea fa'apitoa. O se masini autu o le atigipusa breakout faasologa, lea e fesoasoani i tagata fa'aoga e mata'ituina ma fa'afitauli tulaga fa'ailoga i le taimi o felauaiga fa'amatalaga. O lenei meafaigaluega e taua tele mo le suʻesuʻeina o faʻafitauli i le taimi moni ma faʻamautinoa o faʻailoga e fetaui ma faʻamatalaga manaʻomia. Mo siosiomaga gaoa, a laupapa gaoa ma le Windows 11 e maua ai se fofo feavea'i mo fa'afitauli i luga ole laiga.

Meafaigaluega Manaomia

I totonu o siosiomaga atinaʻe polokalame, e manaʻomia se debugger mo le suʻeina ma le faʻaleleia o mea sese polokalame e mafai ona aʻafia ai fesoʻotaʻiga faasologa. E taua fo'i le pu'eina ma le su'esu'eina o fa'amaumauga o fa'amaumauga, e maua ai fa'amatalaga taua i fua fa'atinoga i le aluga o taimi. Mo manaoga maualuga-faatinoga, a PC pisinisi ma le NVIDIA GPU po o a komepiuta rackmount gaoa e mafai ona lagolagoina au'ili'iliga fa'amaumauga ma galuega fa'agaioiga.

Pe a galulue ma microcontrollers ma isi masini, uaea su'ega e taua tele mo le fa'amaoniaina o le sa'o ma le fa'atinoina o laina laina. Ina ia vaʻaia faʻailoga faʻailoga ma faʻamaonia le fua o le baud, e taua tele le oscilloscope. Mo fa'atonuga fa'apitoa tau alamanuia, a pisinisi PC Advantech ofo atu fa'atonuga fa'atuatuaina, a'o a tama'i PC gaoa maua ai se vaifofo laititi ma umi. Mo fa'amatalaga fa'amiliteli, mafaufau a komepiuta faamiliteli mo le faatauina atu mo le malosi faaopoopo.

O le malamalama i le Universal Asynchronous Receiver-Transmitter (UART) e taua tele foi mo le puleaina ma le faʻaleleia lelei o fesoʻotaʻiga faʻasologa. E fesoasoani mea faigaluega ta'itasi i le fa'atupuina o se auivi feso'ota'iga fa'asologa e sili atu ona malosi, ma fa'alelei ai fegalegaleaiga i le va o masini. Mo fofo maualuga, su'esu'e filifiliga mai fa'atuatuaina fale gaosi oloa komepiuta fa'amautinoa le fa'atinoga ma le fa'amaoni.

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