̾??

gsc —

?ϥ??ǥ??????????ѥǥХ????ɥ饤??

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#include <machine/gsc.h>

?ޥ????ֹ??ӥå?: uu d g p ...

uu: ???˥å? gsc0 .. gsc3
d: ?ǥХå? ???å??????ε?Ͽ??????
g: ?ӥåȥޥå? ?ޤ??? ???졼?ޥå? ???Ϥ?????
p: raw ?ޤ??? portable pnm ???Ϥ?????

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gsc ?????饯???ǥХ????ɥ饤?Фϡ????ΤȤ??? Genius GS-4500 ?ϥ??ǥ????????? ?Τߤ򰷤äƤ??ޤ??????Υɥ饤?Фϥϡ??ɥ??????? irq ?????Ѥ??? ư????ǽ?Ǥ??äƤ⡢?????? dma ?????????????Ԥʤ??ޤ??? ???ˤϳ??????߶?ư???ΥǥХ????ɥ饤?Ф??񤯤Τ˽?ʬ?? ?ɥ????????Ȥ??и??⤢???ޤ?????

?ǥХ????ϡ????? 4 ?Ĥΰۤʤä? ?????? ??ư????ǽ?Ǥ?: 100, 200, 300, 400dpi???ǥХ????ϺǾ??̤ΥӥåȤ????ˤ??륷???ץ??ʥӥåȥޥåפ? ???????ޤ????ɥ饤?Ф? Jef Poskanzer ?ˤ??롢 ?褯?Τ????Ƥ???Ŭ?٤˥????ץ??ʥݡ????֥??ӥåȥޥåץե????????? pbm(5) ?ǽ??Ϥ??뤳?Ȥ??Ǥ??ޤ??? ???????äƥ????????η??̤Ϥ????դˤ????ɤΤ褦?ʥ????ե??å??ѥå????? (??????̾?????󤲤??ʤ? xpaint(1), xv(1), xli(1) ?ʤ?) ?Ǵ?ñ?˽??????뤳?Ȥ??Ǥ??ޤ??? raw ?⡼?ɤǤϡ????????ʤ??򤤻??ξ??ι??????򸡽Ф??뤿?ᡢ ???åȤ??줿?ӥåȤϹ????ԥ?????????̣???ޤ??? ?դˡ?pnm ?ե????ޥåȤϥӥǥ????̤??Żҥӡ????θ??٤򵭽Ҥ??뤿?ᡢ pbm ?⡼?ɤˤ????Ƥϡ????åȤ??줿?ӥåȤ??򤤥ԥ?????????̣???ޤ???

???Ϥ??줿?ӥåȥޥåפ? ?? ??Ϳ?????줿???????ͤˤ??äƸ??ꤵ???ޤ??????????ʤ??? pnm ?⡼?ɤǤϡ??ɥ饤?ФϤ??? '?ե??????ν?????' ?????Ф??줿?????ΤäƤ??? ?Ϥ??ʤΤǡ??ӥåȥޥåפ? ?⤵ ?ϼ?ư?????ꤵ???ޤ??? ???ε?ǽ?ˤ??ꡢ cat ???Ѥ??ƥ??????ʽ??Ϥ? pbm ?ե???????ľ?ܥ??ԡ????뤳?Ȥ??Ǥ??ޤ??? ???????? ?ɥ饤?Ф? raw ?⡼?ɤǻ??Ѥ? dd(1) ???Ѥ??ƻ??????̤????뤳?ȤϤǤ??ޤ???

???졼?ޥå? ???ϥ⡼?ɤϤޤ??ɥ饤?Ф˼????????Ƥ??ޤ????? ?????ץ??????ब???κ??Ȥ????ꤦ?ޤ??Ǥ??뤫?ɤ????ϲ??????Ǥ????? ???η??̥????ͥ????礭???????뤫?ɤ????ϵ????˻פäƤ??ޤ??? ???????Ȥ??????Ǥ??ä??Ȥ??Ƥ⡢????Ĵ?ӥåȥޥåפ??饰?졼?ޥåפ? ?????????ġ??????????Τ??ޤ?????

gsc ?????????? ioctl ?ꥯ?????Ȥϰʲ??????󤵤??Ƥ??ޤ??? sgsc(1) ?ȸƤФ????桼?ƥ????ƥ????Ȥ??ȡ??????뤫?餳?????? ?ꥯ?????Ȥ˥????????Ǥ??ޤ???

GSC_SRES int

?????? ???ͤ????ꤷ?ޤ????ǥХ????ؤκǽ????ɤ߹??ߥ????????θ??ˡ? ???θƤӽФ????Ԥʤä??????ϡ??ǥХ????򥯥????????ƺƤӥ????ץ󤷤ʤ??¤? ???̤??????ޤ?????

GSC_GRES int

???ߤβ????٤? 1 ?????????????Υɥåȿ? (dpi) ?Ǽ??????ޤ???

GSC_SRESSSW void

?????٤??ͤ򥻥쥯???????å??????ꤷ?ޤ????ɥ饤?Фϥ????ץ󤵤??Ƥ??뤬 ?????????Ƥ??ʤ????֤Ǥ???ɬ?פ??????ޤ????????Ǥʤ??????ϥꥯ?????Ȥ? ???Ԥ??? errno(2) ?ˤ? EBUSY ???????ޤ???

GSC_SWIDTH int

?ӥåȥޥåפ? ?? ?????ꤷ?ޤ????ɤΤ褦????????ǽ?ʲ????٤??ޤ????????Ĥ??????б??????Τǡ? ?ºݤϤ??Υꥯ?????Ȥϲ????٤????ꤹ?????????μ??ʤȤʤ??ޤ??? ??????ǽ???ͤϲ???ɽ?????󤵤??Ƥ??ޤ???

??????: ??
100 dpi: 424 ?ԥ?????
200 dpi: 840 ?ԥ?????
300 dpi: 1264 ?ԥ?????
400 dpi: 1648 ?ԥ?????
?: 1696 ?ԥ?????
?: 2544 ?ԥ?????
?: 3648 ?ԥ?????

????ɽ?˽񤫤??Ƥ??ʤ??ͤ? ioctl ?ƤӽФ??˼??Ԥ??? errno(2) ?ˤ? EINVAL ???????ޤ???

?????Ȥ??ꡢ1696 ???????礭???????ͤ??????ޤ??????????????Τ??Ȥ? ???????ʤ?????????Ĺ???饤???򥹥??????Ǥ????ꡢ ???äȹ⤤?????٤ǥ????????Ǥ????ꤹ?뤳?Ȥ???̣?????櫓?ǤϤ????ޤ????? ?ºݡ??????٤ϥϡ??ɥ??????????å??Τߤˤ??ä????򤵤??ޤ??? ?ºݤβ????٤??????????Ƥ????ʾ???Ĺ???Υ饤???ǡ?ɸ???Υ饤????Ĺ?????ۤ??? ????ʬ???????????Ƥ??ޤ??? (?̾??????ˤʤ??ޤ?)??

GSC_GWIDTH int

???ߤΥӥåȥޥåפ??????ԥ????????Ǽ??????ޤ???

GSC_SHEIGHT int

pnm ?⡼?ɤǤΥӥåȥޥåפ? ?⤵ ?????ꤷ?ޤ??? ?ºݤˤϤ??Υꥯ?????ȤϺǽ????ɤ߹????????θ塢?????????Ǥ????饤?????ι??פ? ???¤??ޤ????????ͤ?ã?????????ɤ߹??ߤ? 0 ???֤??ޤ??? ????????(?ƤӽФ??ץ??????ν?λ???ˡ?????Ū???뤤?ϰ???Ū??) ?ǥХ????????????????줿???ˤΤߡ??Ÿ??????Ǥ????ޤ???

GSC_GHEIGHT int

???ߤΥӥåȥޥåפι⤵?????????ޤ???

GSC_SBLEN int

DMA ž?????????ǻ??Ѥ????Хåե???Ĺ???????ꤷ?ޤ??? ?Хåե???Ĺ???ϥӥåȥޥåפΥ饤??????Ϳ???????ޤ??? ?Хåե??Υ??????? (????) 0x3000 ?Х??Ȥ????¤????Ƥ????Τǡ? ?????????饤???κ??????ϳƥ饤???????ˤ??ä??Ѳ????ޤ??? ???ξ??¤ϡ????ߤ??ͤ????񤭤? errno(2) ?ѿ??? ENOMEM ???????Ƥ??ޤ????˥????å??????ޤ??? ?????????Хåե??饤?????????򤷤??????ӥåȥޥåפ??????ѹ????뤳?Ȥ? ?Ǥ????Τǡ??Хåե??饤???????礭?????뤳?Ȥ??狼?ä??????ɤ߹??ߥꥯ?????Ȥ? ENOMEM ?Ǽ??Ԥ??뤫?⤷???ޤ??󡣰???Ū?ˤϤ????ɤ????Ϥ????뤿???ˤϡ? ???󤹤???????Ĺ???Хåե??????򤹤??????????Ǥ???

GSC_GBLEN int

???ߤΥХåե???Ĺ?????饤?????Ǽ??????ޤ???

GSC_SBTIME int

1 ?ĤΥХåե????ɤ߹??߽??????ޤǤΥ????ॢ???Ȼ??֤????ꤷ?ޤ??? ?ϥ??ǥ????????ʤϥե??åȥ??????ʤ????⡢?ʹ? / ?????ԥ塼?? ???󥿥ե??????Υ????ॢ???Ȼ??֤?Ĺ???Τǡ??ǥե????ȤǤ? 15 ?ä? ?ʤäƤ??ޤ????????ॢ???Ȼ??ָ??ϡ??ɤ߹????????? EBUSY ?Ǽ??Ԥ??ޤ??? ?????ॢ???ȥ????ޤϤ??줾???ΥХåե????ɤ߹??ޤ????٤? ?????˳??Ϥ??????Τǡ?Ĺ?????᡼?????᤯?????????Ǥ????褦?ˤʤ? ?櫓?ǤϤʤ????Ȥ????դ??Ƥ?????????BLEN/BTIME ?? termios(4) ?? MIN/TIME ?Ȼ??Ƥ??ޤ???

GSC_GBTIME int

???ߤΥХåե??Υ????ॢ???Ȼ??֤????????ޤ???

?ѥ??᡼?????ѹ????? GSC_SBTIME ?ʳ??Τ??٤Ƥ? ioctl ?ꥯ?????Ȥϡ? ???߿ʹ????Υ????????ץ??????ˤϱƶ????ޤ??󡣤??ʤ????ǽ????ɤ߹??? ?ꥯ?????Ȼ??????꤬?ǥХ????Υ????ץ?????³???ޤ????ƶ????ڤܤ??ˤ? ?ǥХ????򥯥????????ƥ????ץ???ľ??ɬ?פ??????ޤ??????????äơ? ?????ϥǥХ????򥯥????????뤫?????ץ󤹤??ޤǥꥻ?åȤ????ޤ?????

Ʊ?ͤˡ??????ͤ??ɤ??ꥯ?????Ȥϸ??߿ʹ????Υ????????ץ??????? ?Ȥ????Ƥ????ͤ????𤷤ޤ??󡣥????????ץ???????ɬ?פȤ????ͤ? ???ϻ?????¸?????Ƥ????Τǡ?ioctl ?ꥯ?????ȤǤϥ????????Ǥ??ޤ?????

?????? BTIME ?ͤϸ??߿ʹ????Υ????????ˤ?????ȿ?Ǥ????ޤ??? ???????äƥ????ॢ???Ȼ??֤ϡ??㤨?Х桼?????????????򳫻Ϥ????ޤǤ? Ĺ?????֤????ꤹ?뤳?Ȥ??Ǥ??ޤ??? ?ޤ??桼???????ߤ????? (?ۤ?) ??????ȿ???Ǥ????褦??û?????֤? ???ꤹ?뤳?Ȥ??Ǥ??ޤ??? ?桼???????Ƥ뤳?Ȥʤ????ĤΥХåե??????????????????λ??֤ϡ??????Ǥ??Ĥ? ɬ?פ????뤳?Ȥ????դ??Ƥ?????????

pbm ?? raw ?Υ⡼???????ϡ?ioctl ?ꥯ?????ȤǤϤʤ????ޥ????ֹ??ˤ??äƹԤʤ????? ???Ȥ????դ??Ƥ????????? raw ?⡼?ɤǤϡ????򤵤줿?ӥåȥޥåפι⤵?Ϥʤ??θ??̤??????ޤ?????

??Ϣ?ե?????

/dev/gsc0: raw ???ϤΤ????ΥǥХ????Ρ??ɤǡ??ޥ????ֹ??? 0 ?Ǥ???
/dev/gsc0d: raw ???ϤΤ????ΥǥХ????Ρ??ɤǡ? ?????ѥ??????? GSCDEBUG ???ץ??????????ꤵ???Ƥ????顢 ?ǥХå? ???å??????????Ϥ??ޤ????ޥ????ֹ??? 32 ?Ǥ???
/dev/gsc0p: pbm ?ե??????ե????ޥåȽ??ϤΤ????ΥǥХ????Ρ??ɤǡ??ޥ????ֹ??? 8 ?Ǥ???
/dev/gsc0pd: pbm ?? debug ?⡼?ɤΤ????ΥǥХ????Ρ??ɤǡ??ޥ????ֹ??? 40 ?Ǥ???

??????

dd if=/dev/gsc0 of=rawfile bs=(width/8) count=(height)
cat /dev/gsc0p > pbmfile

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GSCDEBUG: ?????ͥ??????Ǥ???̾?Τ? `option' ?Ȥ????????????ȡ? ?ǥХå??ӥå? (???ʤ??? 7 ?ӥå????Υӥå? 5) ?????åȤ??줿?ޥ????ֹ? ?ǥɥ饤?Ф˥????????????????ǥХå????Ϥ????뤳?Ȥ??Ǥ??ޤ???

??Ϣ????

cat(1), dd(1), pbmtopgm(1), pnm(1), sgsc(1), close(2), intro(2), ioctl(2), open(2), read(2), termios(4), pbm(5)

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Gunther Schadow ⟨gusw@fub46.zedat.fu-berlin.de⟩

?Х?

???Ȥ????????ʥǥХ????ˡ?4 ?Ĥβ????٤Τ??? 1 ?Ĥ??????Ǥ????褦?? ?ʤäƤ??뾮???ʥ????å??????ä??Ȥ??Ƥ⡢???ˤϤޤ????ξ??֤??Τ???ˡ?? ?狼?äƤ??ޤ????? ???????꤬???褵???ʤ??¤ꡢ?ϡ??ɥ??????????򤷤??????٤Ȱ??פ????ݾ? ?Τʤ? ioctl(2) ???Ϥ????ͤ˥ɥ饤?Фϰ?¸???ޤ???