KAYAN KASA PCMCIA-485 Serial Interface Na'urar
AMFANI DA SAIRIN PCMCIA TA HUDU TARE DA LINUX
Wannan daftarin aiki ya ƙunshi umarni don taimaka muku girka da daidaita kayan aikin kayan aiki na ƙasa don Linux. Wannan takaddar ta ƙunshi bayani game da mu'amalar PCMCIA-232/4. Wannan takaddar tana ɗauka cewa kun riga kun saba da Linux.
Takardun da ke biyowa sun ƙunshi bayanan da za ku iya samun taimako yayin da kuke karanta wannan takarda.
- Linux Serial-Programming-HOWTO na Peter Baumann. Kuna iya samun sabon sigar wannan takarda a wurare masu zuwa: ftp://metalab.unc.edu/pub/Linux/docs/HOWTO/Serial-P programming-HOWTO. http://metalab.unc.edu/LDP/HOWTO/Serial-Programming-HOWTO.html.
- Linux Serial-HOWTO na David Lawyer. Kuna iya samun sabon sigar wannan takarda a wurare masu zuwa: ftp://metalab.unc.edu/pub/Linux/docs/HOWTO/Serial-H OWTO. http://metalab.unc.edu/LDP/HOWTO/Serial-HOWTO.html.
- Linux PCMCIA-HOWTO ta David Hinds. Kuna iya samun sabon sigar wannan takarda a wurare masu zuwa: ftp://metalab.unc.edu/pub/Linux/docs/HOWTO/PCMCIA-H OWTO. http://metalab.unc.edu/LDP/HOWTO/PCMCIA-HOWTO.html.
Gudunmawa
Godiya ga Vern Howie don bayar da shawarwari da kuma tsohonamples daga serial suite. Hakanan, godiya ga David Hines, David Lawyer, Greg Hankins, da Peter Baumann don samar da bayanai da yawa a cikin HOWTOs.
Tattara Abin da kuke Bukata don Farawa
Kafin ka shigar da serial card na PCMCIA don Linux, ka tabbata kana da masu zuwa:
- Linux kernel version 2.2.5 ko kuma daga baya. An gwada samfurin sosai tare da nau'in kwaya 2.2.5; duk da haka, samfurin na iya aiki tare da sigogin kwaya na farko. Idan ba ku da nau'in kwaya 2.2.5 ko kuma daga baya, ko kuma idan baku da waɗannan zaɓuɓɓukan da aka riga aka haɗa a cikin kwaya, kuna buƙatar sake tattara kernel ɗin ku.
- Haɗa zaɓuɓɓukan na'urorin Halaye masu zuwa lokacin da kuka saita da sake tattara kernel ta amfani da menuconfig:
- Madaidaicin / janareta na bebe serial support
- Zaɓuɓɓukan direba na bebe da aka fadada
- Tallafi fiye da jerin tashoshin jiragen ruwa huɗu
- Taimako don raba serial yana katsewa
- Sabis na Katin (pcmcia-cs) 3.0.13 ko kuma daga baya. Don nemo nau'in Sabis na Katin, shigar da mai zuwa: linux# cardctl -V Za a iya samun sabon sigar Ayyukan Katin a ftp://csb.stanford.edu/pub/pcmcia.
- PCMCIA-SERIAL-4port.tar.gz. Kuna iya sauke wannan file daga National Instruments FTP site a ftp://ftp.natinst.com/support/ind_comm/serial/Linux. Bayan kuna da file, Cirewa da Cire shi ta hanyar shigar da wadannan: Linux# tar zxvf PCMCIA-SERIAL-4port.tar.gz Ta hanyar fitar da umarnin tar da cirewa PCMCIA-SERIAL-4port.tar.gz kuma ya ƙirƙiri babban directory PCMCIA-SERIAL. Shigar da waɗannan don tabbatar da duk abin da ya dace files sun hada da: linux# cd PCMCIA-SERIAL Linux PCMCIA-SERIAL# ls FIFO trigger serial test termios_program.c FIFOtrigger.c serial test.c
- Kuna buƙatar gata mai amfani don yin yawancin matakai da sassan shirye-shirye a cikin wannan takaddar. Kuna buƙatar kammala matakai biyu na farko a wannan sashe kafin ku tabbatar da serial card na PCMCIA. Kuna iya amfani da kowane editan rubutu da kuka ji daɗi da shi.
Sanya /etc/pcmcia/config don Gane Katin PCMCIA naka
Gyara na'urar serial_cs domin mai sarrafa katin PCMCIA ya san abin da direba zai haɗa da katin.
- Don gyara na'urar a cikin /etc/pcmcia/config file, shigar da wadannan: linux# pico /etc/pcmcia/config
- A cikin file, gyara sashin "serial_cs" na'urar zuwa mai zuwa: na'urar "serial_cs" class "serial" module "misc/serial", "serial_cs"
Yi siginar Manajan Katin don Sake lodi /etc/pcmcia/config
Shigar da mai zuwa. Yi la'akari da cewa "kamar gaba ɗaya ce ta gaba. linux# kashe -HUP `cat /var/run/cardmgr.pid`
Nemo Wadanne Na'urori Aka Sanya A Katinku
Saka serial card na PCMCIA. Ya kamata ku ji manyan ƙararrawa guda biyu a jere. Don ganin irin na'urar da mai sarrafa katin ya sanya wa katin ku, shigar da mai zuwa:
- linux# ƙari /var/run/stab
- Socket 0: Kayan Aikin Kasa PCMCIA-485
- serial_cs 0 ttyS2 4 66
- serial_cs 1 ttyS3 4 67
- Socket 1: fanko
- Na'urorin da aka jera a matsayin ttyS karkashin National Instruments ne jerin tashoshin jiragen ruwa.
Kanfigareshan
View Albarkatun Hardwarenku
- Don ganin irin albarkatun tsarin da katin serial ɗin ku ke amfani da shi, yi amfani da umarnin serial, kamar haka: linux# setserial -gv /dev/ttyS
- Don misaliample, zo view albarkatun /dev/ttyS2, zaku shigar da: linux# setserial -gv /dev/ttyS2
- Ya kamata wani abu mai kama da mai zuwa ya bayyana: /dev/ttyS2, UART: 16550A, Tashar jiragen ruwa: 0x100, IRQ: 3
Kunna FIFO Buffers
Kuna iya kunna watsawa da karɓar FIFOs a cikin hardware kuma saita matakan jawo na FIFOs. Yi amfani da FIFOtrigger (daga PCMCIA-SERIAL directory) don ba da damar karɓa da watsa FIFOs da saita matakin faɗakarwa na waɗannan FIFOs. FIFOtrigger yana bawa FIFOs damar tashar tashar jiragen ruwa guda ɗaya kawai. Don kunna FIFO don sauran tashar jiragen ruwa na serial, sake kunna FIFOtrigger tare da tashar jiragen ruwa daban da aka ƙayyade a cikin layin umarni.
Tebur 1. tx_trigger Ƙimar
| watsa FIFO Tasiri Mataki | tx_trigger |
| 8 | 0 x00 |
| 16 | 0 x10 |
Tebur 1. tx_trigger Values (Ciga gaba)
| watsa FIFO Tasiri Mataki | tx_trigger |
| 32 | 0 x20 |
| 56 | 0 x30 |
Tebur 2. rx_trigger Ƙimar
| Karɓi FIFO Tasiri Mataki | rx_fasa |
| 8 | 0 x00 |
| 16 | 0 x40 |
| 56 | 0 x80 |
| 60 | 0xc0 ku |
Shigar da waɗannan don amfani da FIFOtrigger: Linux PCMCIA-SERIAL#./FIFOtrigger
Kayan aikin yana ba da katsewa mara amfani lokacin da adadin haruffa a cikin FIFO mai watsawa ya faɗi ƙasa da matakin jawo. Hakanan, kayan aikin suna ba da cikakkiyar katsewa lokacin da adadin haruffa a cikin FIFO da aka karɓa ya tashi sama da matakin jawo. Don ƙarin bayani game da buffer FIFO, koma zuwa PCMCIA serial fara farawa da hannu. Idan FIFOtrigger ba ya aiki nan da nan ko kuma idan ya haifar da kuskuren yanki, shigar da waɗannan don sake tara FIFOtrigger.c da rerunFIFOtrigger. Hakanan, lambar tushe don FIFOtrigger yana samuwa don viewing da gyarawa a FIFOtrigger.c, wanda aka bayar a cikin PCMCIA-SERIAL directory.
- Linux PCMCIA-SERIAL#gcc –O FIFO trigger.c –ko FIFO mai jawo
- Linux PCMCIA-SERIAL#./FIFOtrigger
FIFO Example
Shigar da waɗannan don saita matakin ƙarar FIFO zuwa 56 kuma matakin watsawa zuwa 32 don /dev/ttyS5: Linux PCMCIA-SERIAL# ./FIFOtrigger 5 0x80 0x20
Saita tsarin tashoshi
Kowane tashar jiragen ruwa na serial yana da haɗe-haɗe na tsarin. Ta amfani da wannan tsarin tsarin a cikin shirin, zaku iya saita ƙimar baud, girman halayen (yawan raƙuman bayanai), daidaito, haruffan sarrafawa, sarrafa kwarara, da yanayin shigarwa da fitarwa don kowane tashar tashar jiragen ruwa. Don ƙarin bayani kan tsarin temios ɗin kansa, koma zuwa sharuɗɗan shafin mutum. Zuwa view Shafukan mutum na sharuddan, shigar da wadannan: Linux# man termios Don daidaita tashar tashar ku, yi amfani da sashin shirin mai kama da termios_program.c a cikin PCMCIA-SERIAL directory.
Gwada Kanfigareshan
Bayan kun haɗa igiyoyi zuwa tashar jiragen ruwa (kamar yadda aka nuna a cikin PCMCIA serial fara farawa da hannu), gudanar da shirin gwajin serial (daga PCMCIA-SERIAL directory) don tabbatar da saitin ku, kamar yadda aka nuna a cikin mai zuwa: Linux PCMCIA-SERIAL#. /serialtest
Idan gwajin ya yi nasara, zai nuna saƙon SUCCESS. Idan gwajin ya rataye, rubuta fita shirin. Hakanan, tabbatar cewa kebul ɗin yana haɗe zuwa madaidaicin mashigai.Don gwada /dev/ttyS2 da /dev/ttyS3, haɗa kebul tsakanin tashoshin biyu kuma shigar da waɗannan: Linux PCMCIA-SERIAL# ./serialtest 2 3Idan gwajin serial bai yi ba. yi aiki nan da nan ko kuma idan ya haifar da kuskuren rarrabuwa, shigar da waɗannan don sake tara serialist.c kuma sake yin gwajin serial. Har ila yau, akwai lambar tushe don masu serialists don viewing da gyarawa a serial test.c wanda aka bayar a cikin PCMCIA-SERIAL directory.
- Linux PCMCIA-SERIAL# gcc serial test.c –o serial test
- Linux PCMCIA-SERIAL# ./serialtest
Amfani da PCMCIA Serial tare da Linux: www.natinst.com.
natinst.com™, National Instruments™, da NI-Serial™ alamun kasuwanci ne na Kamfanin Kayayyakin Ƙasa. Samfura da sunayen kamfanoni da aka ambata a nan alamun kasuwanci ne ko sunayen kasuwanci na kamfanoni daban-daban.322568A-01 © Copyright 1999 National Instruments Corp. Duk haƙƙin mallaka.
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KAYAN KASA PCMCIA-485 Serial Interface Na'urar [pdf] Jagorar mai amfani PCMCIA-485, PCMCIA-485 Serial Interface Device, Serial Interface Device, Interface Device, Na'ura |