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CY(4) FreeBSD Kernel Interfaces Manual (i386) CY(4)

cy
Cyclades Cyclom-Y ???ꥢ???ɥ饤??

device cy0 at isa? tty irq 10 iomem 0xd4000 iosiz 0x2000 device cy1 at isa? tty irq 11 iomem 0xd6000 iosiz 0x2000

?ޥ????ֹ?:

0bMMMMMMMMMMMMMMMMxxxxxxxxOLIMMMMM
                          callOut
                           Lock
                            Initial
  MMMMMMMMMMMMMMMM           MMMMMMinor

cy ?ɥ饤?Ф? Cyclades ?? Cyclom-Y ?ܡ??? ?˺ܤäƤ??? Cirrus Logic CD1400 ?١????? EIA RS-232C (CCITT V.24) ?̿????󥿥ե????? (?ݡ???) ?򥵥ݡ??Ȥ??ޤ??? ???줾???? CD1440 ?? 4 ?ĤΥݡ??Ȥ??󶡤??ޤ??? Cyclom-Y ?ܡ??ɤˤϤ??ޤ??ޤʿ??? CD1400 ?????ܤ??????ǥ뤬?????ޤ??? ???Υɥ饤?Ф? 1 ?ĤΥܡ??ɤ????????? 8 ?ĤޤǤ? CD1440 (32 ?ݡ???) ?? ???ݡ??Ȥ??Ƥ??ޤ???

???????????Ϥϰʲ???®?٤Τ????줫?????????Ȥ???????ǽ?Ǥ?: 50, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps?? ?????ʹߡ????? 150000 ?ޤǤ?®?٤ϡ?termios ???󥿥ե??????Ǥϥ??ݡ??? ?????Ƥ??ޤ?????sgttyb ?ߴ????󥿥ե??????Ǥϥ??ݡ??Ȥ????Ƥ??ޤ????? CD1440 ?? 115200 bps ?ʾ???®?٤???Ψ?褯???????ۤɤ?®???? ?????ޤ????? 1 ?Ĥβ??????? 115200 bps ???꿴????®?????????뤳?Ȥ??Ǥ??ޤ????? 4 ?Ĥβ?????????????Ʊ???˻??Ѥ????????ϡ?CD1440 ?Ǥ? ?? 90000 bps ???³??ˤʤ??ޤ???

cy ?ɥ饤?Фˤ??ä????椵???륷?ꥢ???ݡ??Ȥ? `????' ?? `ȯ??' ?Τɤ????ˤǤ? ???ѤǤ??ޤ??? ???줾???Υݡ??Ȥ??Ф??????ƥǥХ?????ȯ?ƥǥХ?????¸?ߤ??ޤ??? ȯ?ƥǥХ????Υޥ????ֹ????б????????ƥݡ??ȤΤ??Τ??? 128 ?????礭???ֹ椬 ?Ĥ??Ƥ??ޤ??? ????Ū?ˤϡ????ƥǥХ??????Ȥ??ޤ??? ???ƥǥХ????򥪡??ץ??????Υץ??????ϡ??̾??ϡ??????ꥢ???????ޤǡ????ġ? ȯ?ƥǥХ???????ư???֤Ǥʤ??ʤ??ޤ??Ԥ??????ޤ??? ȯ?ƥǥХ????????Ѥ??뤳?Ȥǡ????ƥǥХ????ǥ????ꥢ?Ԥ????Ƥ??? ?ץ??????η????Ĥ??ƥݡ??Ȥ????Ѥ??뤳?Ȥ??Ǥ??ޤ??? ȯ?ƥǥХ????򥪡??ץ󤷤褦?Ȥ????ץ??????ϥ????ꥢ?Ԥ??򤷤ޤ????? ???ġ?ȯ?ƥǥХ????򥪡??ץ󤷤褦?Ȥ????ץ??????ϡ??????ꥢ?Ԥ? ???Ƥ???¾?Υץ??????????꿼?????꡼?׾??֤ˤ??ޤ????????ˤ??ꡢ ȯ?ƥ??å???????ξ?ץ??????????ͤ??뤳?ȤϤʤ??ʤ??ޤ??? ????Ū?ʥݡ??Ȥ?ư??????ġ??????ꥢ?Ԥ??????˥ݡ??Ȥ? ?????ץ󤹤?ɬ?פ??????Ȳ??ꤷ?Ƥ????ץ?????????ȯ?ƥǥХ????? ???????Ȥϸ??ѤǤ??ꡢ?????ϼ????????ȤǤ???

?ޤ? cy ?ɥ饤?Фϡ?ȯ?Ƥ????Ƥ??줾???Υǡ????ǥХ??????Ф??ơ? ???????֤??????ȥ??å????֤??????򥵥ݡ??Ȥ??ޤ??? ???????֥ǥХ????Υޥ????ֹ????б??????ǡ????ǥХ??????? 32 ?????礭???ֹ椬 ?Ĥ??Ƥ??ޤ??? ???å????֥ǥХ????Υޥ????ֹ????б??????ǡ????ǥХ??????? 64 ?????礭???ֹ椬 ?Ĥ??Ƥ??ޤ??? ?ǡ????ǥХ????ˤ????? termios ???????ϡ??????ƥ????ץ󤹤??ݤ??б????? ???????֥ǥХ???????ʣ?????졢?????˥????ץ󤵤??Ƥ????Ȥ??ξ??֤????? ?Ѿ??????ޤ????? stty(1) ?????????֥ǥХ??????Ф????̾??Τ??꤫???Ǽ¹Ԥ??뤳?Ȥˤ??ꡢ ???ʤ???˾????????Ŭ???????? termios ???֤??ץ????????Ǥ??ޤ???

???å? termios ?ξ??֤ϡ??ǡ????ǥХ????? termios ???֤??ѹ??? ?Բ?ǽ?ˤ????ե饰?Ȥ??? ???񤤤ޤ????㤨?? CRTSCTS ?Τ褦?ʥե饰?ѿ??????å??????ˤϡ? ???å????֥ǥХ????ˤ????? stty crtscts ?Ȥ??ޤ??? ®?٤??ü?ʸ?????????????å??????ˤϡ? ???å????֥ǥХ??????б??????ͤ? 0 ?Ǥʤ??ͤ????ꤹ???Ȥ褤?Ǥ???

?????ǥХ??????????????????????????ץ??????????̿????Ƥ????¤??ϡ? ?ۤܤɤΤ褦?ʽ??????֤Ǥ??äƤ⡢?ۤȤ??ɥ??å????ʤ??Ƥ?ư??ޤ??? ?????Ǥʤ??????ϡ??ǥե????Ȥν??????֤??ѹ????????ξ??֤˥??å????ݤ??? ???Ȥǡ????ޤ?ư???褦?ˤʤ뤳?Ȥ⤢?뤫?⤷???ޤ????? ?äˡ??Х??????Υץ??????ब (POSIX) ɸ???Ǥʤ??ե饰???ѹ??????ʤ? ?褦?ˤ??뤿???ˡ?ɸ???Ǥʤ??ե饰?ν??????֤???³???줿?ǥХ????? ?礦?褦?????ꤷ?????å????Ƥ???ɬ?פ????뤫?⤷???ޤ????? ?㤨?С????? RTS/CTS ?ϥ??ɥ????????򥵥ݡ??Ȥ????ǥХ????Ǥϡ?CRTSCTS ?? ?????Τޤޥ??å????Ƥ???ɬ?פ??????ޤ????ޤ??????????ݡ??Ȥ??ʤ??ǥХ????? ?Ф??Ƥϥ??դǥ??å????Ƥ???ɬ?פ??????ޤ??? CLOCAL ?ϥ????ꥢ?򥵥ݡ??Ȥ??ʤ??ǥХ??????Ф??Ƥϥ????˥??å??????٤??Ǥ??? HUPCL ?ϲ??餫????ͳ?????Ǥ??????ʤ??????ˤϥ??դ˥??å??????٤??Ǥ??? ????Ū?ˡ????????ְ??ä????֤ǥ??å??????ȡ??ȤƤⰭ?????Ȥ????????ޤ??? ʣ?????????򥵥ݡ??Ȥ????ǥХ????ˤϥ??å????Ԥʤ??٤??ǤϤ????ޤ????? ???ƥݡ??ȤǤ? CLOCAL ?ե饰?ϡ????????Υ????????ƥ??ۡ??????򤱤뤿???? ???դ˥??å????Ƥ????٤??Ǥ????????ƥݡ??Ȥ򲿤?¾?????Ӥ˻Ȥ? ?????ˤϡ??????????? getty ?ǹԤʤ??٤??Ǥ???

/dev/ttyc??
???ƥݡ???
/dev/ttyic??
 
/dev/ttylc??
?б????????ƽ??????֤ȥ??å????֥ǥХ???

/dev/cuac??
ȯ?ƥݡ???
/dev/cuaic??
 
/dev/cualc??
?б?????ȯ?ƽ??????֤ȥ??å????֥ǥХ???

/etc/rc.serial
???????֤ȥ??å????֥ǥХ???????????

???????ΥǥХ???̾??1?Ĥ??ε??????ϥ??????ֹ? (0 ?? 65535 ???ޤ᤿?֤? 10 ?ʿ?) ??ά?Ǥ??? 2?Ĥ??ε??????ϥݡ????ֹ? ([0-9a-v]?δ֤?ʸ??) ??ά?Ǥ???

cy%d: silo overflow.
???????ߥϥ??ɥ??????꤬?????ޤ???
cy%d: interrupt-level buffer overflow.
?ɥ饤?ФΥܥȥ??ϡ??դ????꤬?????ޤ???
cy%d: tty-level buffer overflow.
???ץꥱ?????????????꤬?????ޤ??? ?⥸?塼?뤬???????ڤ??ʤ?®???????Ϥ??Ԥʤ??졢?????????Ϥϼ??????Ƥ??ޤ??ޤ?????

stty(1), termios(4), tty(4), comcontrol(8), pstat(8)

cy ?ɥ饤?Ф? sio ?ɥ饤?Ф? NetBSD ?? cy ?ɥ饤?Ф??????????????߳?ȯ??³???Ǥ???

BREAK ?Ϥޤ??????????Ƥ??ޤ?????

???ꥢ?륳?󥽡????Ϥޤ??????????Ƥ??ޤ?????

?٤??????ƥ಼?Ǥι??ܡ??졼?Ȥ??ݡ??Ȥ?¿?᤮?륷???ƥࡢ???뤤?? ?????پ??֤Υ????ƥ??? crtscts ??ư???ʤ????????Ǥϡ? ?ǡ?????æ??????뤫?⤷???ޤ?????

?????ѥ??????ˤ????????Ǥ??ʤ??ե饰??¿?᤮?ޤ??? CD1440 ?ˤ? NS16550 ?????٤Ƽ㴳???ʤ? fifo ?????ʤ??Τ? (16 ?Ǥʤ? 12 ?Х???)??NS16550 ??????¿???β??? DMA ??ɬ?פȤ??ޤ??? ?ǥե????Ȥ??????ϰ???Ū?ˤϼ¸????? 30% ?????Х????Ȥλ??˺?Ŭ???????Ƥ??? ???????????Υ????ѥ??????????ϸ?Ψ???ɤ????뤿?????ѹ??????뤫?⤷???ޤ???:

RxFifoThreshold: ?ǥե????Ȥ? 6; 486DX-33 ?Ǥϡ??????ͤǤ? 8 ?ݡ??Ȥ? ?ߤ????̿??Ǥ????Τ? 115200 bps ?Ǥ??ꡢ11 ?ˤ??????硢8 ?ݡ??Ȥ??ߤ??? ?̿??Ǥ????Τ? 57600 bps ?Ǥ??????ͤ??㤯?????Τϡ? FreeBSD ?Τ????ǤϤʤ????ºݤˤ? 115200 bps ???ݻ??Ǥ??ʤ? CD1400 ?ˤ??????ΤǤ???

PollMode: Cyclom-16Y ??ɬ?פǤ???Cyclom-8Y ?Ǥϡ?????Ū?ˤߤ? 10-20% ??Ψ???????ˤʤ??ޤ? (RxFifoThreshold ???㤯?????Ф??ä??????ޤ?)??

SOFT_HOTCHAR: RxFifoThreshold ?˾??????ͤ?Ϳ?????????ˤϡ? SLIP ?? PPP ?? 8 ?ݡ??Ȥˤ????? 115200 bps ?ǻ??Ѥ??????˥????Х????? ?ɤ???????ɬ?פǤ???????Ū?ˤߤơ?5% ??Ψ???????ˤʤ??ޤ???

October 10, 1995 FreeBSD

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