2014-08-13 05:48:16 +00:00
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< title > FatFs - f_forward< / title >
< / head >
< body >
< div class = "para func" >
< h2 > f_forward< / h2 >
< p > <EFBFBD> t<EFBFBD> @<40> C<EFBFBD> <43> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> f<EFBFBD> [<5B> ^<5E> <> <EFBFBD> ǂݏo<DD8F> <6F> <EFBFBD> A<EFBFBD> <41> <EFBFBD> M<EFBFBD> X<EFBFBD> g<EFBFBD> <67> <EFBFBD> [<5B> <> <EFBFBD> ɒ<EFBFBD> <C992> ړ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> ܂ <EFBFBD> <DC82> B< / p >
< pre >
FRESULT f_forward (
FIL* < span class = "arg" > fp< / span > , < span class = "c" > /* [IN] <20> t<EFBFBD> @<40> C<EFBFBD> <43> <EFBFBD> E<EFBFBD> I<EFBFBD> u<EFBFBD> W<EFBFBD> F<EFBFBD> N<EFBFBD> g<EFBFBD> \<5C> <> <EFBFBD> <EFBFBD> */< / span >
UINT (*< span class = "arg" > func< / span > )(const BYTE*,UINT), < span class = "c" > /* [IN] <20> f<EFBFBD> [<5B> ^<5E> ]<5D> <> <EFBFBD> <EFBFBD> */< / span >
UINT < span class = "arg" > btf< / span > , < span class = "c" > /* [IN] <20> ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> o<EFBFBD> C<EFBFBD> g<EFBFBD> <67> */< / span >
UINT* < span class = "arg" > bf< / span > < span class = "c" > /* [OUT] <20> ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> ꂽ<EFBFBD> o<EFBFBD> C<EFBFBD> g<EFBFBD> <67> */< / span >
);
< / pre >
< / div >
< div class = "para arg" >
< h4 > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< dl class = "par" >
< dt > fp< / dt >
< dd > <EFBFBD> t<EFBFBD> @<40> C<EFBFBD> <43> <EFBFBD> E<EFBFBD> I<EFBFBD> u<EFBFBD> W<EFBFBD> F<EFBFBD> N<EFBFBD> g<EFBFBD> \<5C> <> <EFBFBD> ̂ւ̃|<7C> C<EFBFBD> <43> <EFBFBD> ^<5E> <> <EFBFBD> w<EFBFBD> 肵<EFBFBD> ܂ <EFBFBD> <DC82> B< / dd >
< dt > func< / dt >
< dd > <EFBFBD> f<EFBFBD> [<5B> ^<5E> <> <EFBFBD> n<EFBFBD> <6E> <EFBFBD> <EFBFBD> <EFBFBD> [<5B> U<EFBFBD> <55> <EFBFBD> `<60> <EFBFBD> <D690> ւ̃|<7C> C<EFBFBD> <43> <EFBFBD> ^<5E> <> <EFBFBD> w<EFBFBD> 肵<EFBFBD> ܂ <EFBFBD> <DC82> B<EFBFBD> <42> <EFBFBD> ̊<CC8A> <D690> ̎d<CC8E> l<EFBFBD> ̓T<CD83> <54> <EFBFBD> v<EFBFBD> <76> <EFBFBD> <EFBFBD> <EFBFBD> Q<EFBFBD> Ƃ<EFBFBD> <C682> Ă<EFBFBD> <C482> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> B< / dd >
< dt > btf< / dt >
< dd > <EFBFBD> ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> o<EFBFBD> C<EFBFBD> g<EFBFBD> <67> (0<> `UINT<4E> ̍ő<CC8D> <C591> l)<29> <> <EFBFBD> w<EFBFBD> 肵<EFBFBD> ܂ <EFBFBD> <DC82> B< / dd >
< dt > bf< / dt >
< dd > <EFBFBD> <EFBFBD> <EFBFBD> ۂɓ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> ꂽ<EFBFBD> o<EFBFBD> C<EFBFBD> g<EFBFBD> <67> <EFBFBD> <EFBFBD> <EFBFBD> i<EFBFBD> [<5B> <> <EFBFBD> <EFBFBD> <EFBFBD> ϐ<EFBFBD> <CF90> <EFBFBD> <EFBFBD> w<EFBFBD> <77> <EFBFBD> |<7C> C<EFBFBD> <43> <EFBFBD> ^<5E> <> <EFBFBD> w<EFBFBD> 肵<EFBFBD> ܂ <EFBFBD> <DC82> B< / dd >
< / dl >
< / div >
< div class = "para ret" >
< h4 > <EFBFBD> ߂<EFBFBD> <EFBFBD> l< / h4 >
< p >
< a href = "rc.html#ok" > FR_OK< / a > ,
< a href = "rc.html#de" > FR_DISK_ERR< / a > ,
< a href = "rc.html#ie" > FR_INT_ERR< / a > ,
< a href = "rc.html#nr" > FR_NOT_READY< / a > ,
< a href = "rc.html#de" > FR_DENIED< / a > ,
< a href = "rc.html#io" > FR_INVALID_OBJECT< / a > ,
< a href = "rc.html#tm" > FR_TIMEOUT< / a >
< / p >
< / div >
< div class = "para desc" >
< h4 > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> t<EFBFBD> @<40> C<EFBFBD> <43> <EFBFBD> ̃f<CC83> [<5B> ^<5E> <> <EFBFBD> o<EFBFBD> b<EFBFBD> t<EFBFBD> @<40> ɓǂݏo<DD8F> <6F> <EFBFBD> <EFBFBD> <EFBFBD> ɑ <EFBFBD> <C991> M<EFBFBD> X<EFBFBD> g<EFBFBD> <67> <EFBFBD> [<5B> <> <EFBFBD> ɒ<EFBFBD> <C992> ړ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> ܂ <EFBFBD> <DC82> B<EFBFBD> A<EFBFBD> v<EFBFBD> <76> <EFBFBD> P<EFBFBD> [<5B> V<EFBFBD> <56> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ńf<C583> [<5B> ^<5E> E<EFBFBD> o<EFBFBD> b<EFBFBD> t<EFBFBD> @<40> <> <EFBFBD> K<EFBFBD> v<EFBFBD> Ƃ<EFBFBD> <C682> Ȃ<EFBFBD> <C882> ̂ŁA<C581> <41> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̌<EFBFBD> <CC8C> <EFBFBD> <EFBFBD> ꂽ<EFBFBD> <EFBFBD> <C28B> ŗL<C597> <4C> <EFBFBD> ł<EFBFBD> <C582> B<EFBFBD> <42> <EFBFBD> [<5B> h/<2F> <> <EFBFBD> C<EFBFBD> g<EFBFBD> E<EFBFBD> |<7C> C<EFBFBD> <43> <EFBFBD> ^<5E> ͓]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> ꂽ<EFBFBD> o<EFBFBD> C<EFBFBD> g<EFBFBD> <67> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> i<EFBFBD> ݂܂ <DD82> <DC82> B<EFBFBD> w<EFBFBD> 肳<EFBFBD> ꂽ<EFBFBD> o<EFBFBD> C<EFBFBD> g<EFBFBD> <67> <EFBFBD> ̓]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> Ƀt<C983> @<40> C<EFBFBD> <43> <EFBFBD> ̏I<CC8F> [<5B> ɒB<C992> <42> <EFBFBD> <EFBFBD> <EFBFBD> ꍇ<EFBFBD> <EFBFBD> M<EFBFBD> X<EFBFBD> g<EFBFBD> <67> <EFBFBD> [<5B> <> <EFBFBD> <EFBFBD> <EFBFBD> r<EFBFBD> W<EFBFBD> [<5B> ɂȂ<C982> <C882> <EFBFBD> <EFBFBD> ꍇ<EFBFBD> A< tt class = "arg" > *bf< / tt > <EFBFBD> <EFBFBD> < tt class = "arg" > btf< / tt > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȃ<EFBFBD> <EFBFBD> ܂ <EFBFBD> <EFBFBD> B< / p >
< / div >
< div class = "para comp" >
< h4 > <EFBFBD> Ή<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > < tt > _USE_FORWARD == 1< / tt > <EFBFBD> ŁA<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < tt > _FS_TINY == 1< / tt > <EFBFBD> ̂Ƃ<EFBFBD> <EFBFBD> Ɏg<EFBFBD> p<EFBFBD> <5C> ł<EFBFBD> <C582> B< / p >
< / div >
< div class = "para use" >
< h4 > <EFBFBD> g<EFBFBD> p<EFBFBD> <EFBFBD> <EFBFBD> i<EFBFBD> I<EFBFBD> [<5B> f<EFBFBD> B<EFBFBD> I<EFBFBD> Đ<EFBFBD> <C490> j< / h4 >
< pre >
< span class = "c" > /*-----------------------------------------------------------------------*/< / span >
< span class = "c" > /* f_forward<72> <EFBFBD> <D690> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ă<C482> <CE82> <EFBFBD> <EFBFBD> f<EFBFBD> [<5B> ^<5E> <> <EFBFBD> M<EFBFBD> <EFBFBD> <D690> ̗<EFBFBD> */< / span >
< span class = "c" > /*-----------------------------------------------------------------------*/< / span >
UINT out_stream ( < span class = "c" > /* <20> ߂<EFBFBD> <DF82> l: <20> ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> ꂽ<EFBFBD> o<EFBFBD> C<EFBFBD> g<EFBFBD> <67> <EFBFBD> ܂ <EFBFBD> <DC82> ̓X<CD83> g<EFBFBD> <67> <EFBFBD> [<5B> <> <EFBFBD> ̏<EFBFBD> <CC8F> <EFBFBD> */< / span >
const BYTE *p, < span class = "c" > /* <20> ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> f<EFBFBD> [<5B> ^<5E> <> <EFBFBD> w<EFBFBD> <77> <EFBFBD> |<7C> C<EFBFBD> <43> <EFBFBD> ^ */< / span >
UINT btf < span class = "c" > /* > 0: <20> ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> s<EFBFBD> <73> (<28> o<EFBFBD> C<EFBFBD> g<EFBFBD> <67> ). 0: <20> X<EFBFBD> g<EFBFBD> <67> <EFBFBD> [<5B> <> <EFBFBD> ̏<EFBFBD> <CC8F> Ԃׂ<F092B282> */< / span >
)
{
UINT cnt = 0;
if (btf == 0) { < span class = "c" > /* <20> Z<EFBFBD> <5A> <EFBFBD> X<EFBFBD> v<EFBFBD> <76> */< / span >
< span class = "c" > /* <20> X<EFBFBD> g<EFBFBD> <67> <EFBFBD> [<5B> <> <EFBFBD> ̏<EFBFBD> <CC8F> Ԃ<EFBFBD> <D482> Ԃ<EFBFBD> (0: <20> r<EFBFBD> W<EFBFBD> [, 1: <20> <> <EFBFBD> f<EFBFBD> B) */< / span >
< span class = "c" > /* <20> <> <EFBFBD> U<EFBFBD> A<EFBFBD> <41> <EFBFBD> f<EFBFBD> B<EFBFBD> <42> <EFBFBD> Ԃ<EFBFBD> <D482> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> A<EFBFBD> <41> <EFBFBD> <EFBFBD> <EFBFBD> ]<5D> <> <EFBFBD> v<EFBFBD> <76> <EFBFBD> ŏ<EFBFBD> <C58F> Ȃ<EFBFBD> <C882> Ƃ<EFBFBD> 1<EFBFBD> o<EFBFBD> C<EFBFBD> g<EFBFBD> <67> */< / span >
< span class = "c" > /* <20> ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȃ<EFBFBD> <C882> <EFBFBD> f_forward<72> <EFBFBD> <D690> <EFBFBD> FR_INT_ERR <20> ƂȂ<C682> <C882> B */< / span >
if (FIFO_READY) cnt = 1;
}
else { < span class = "c" > /* <20> ]<5D> <> <EFBFBD> v<EFBFBD> <76> */< / span >
do { < span class = "c" > /* <20> S<EFBFBD> Ẵo<CC83> C<EFBFBD> g<EFBFBD> <67> <EFBFBD> ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> 邩<EFBFBD> A<EFBFBD> X<EFBFBD> g<EFBFBD> <67> <EFBFBD> [<5B> <> <EFBFBD> <EFBFBD> <EFBFBD> r<EFBFBD> W<EFBFBD> [<5B> ɂȂ<C982> <C882> ܂ <C58C> <4A> <EFBFBD> Ԃ<EFBFBD> */< / span >
FIFO_PORT = *p++;
cnt++;
} while (cnt < btf & & FIFO_READY);
}
return cnt;
}
< span class = "c" > /*-----------------------------------------------------------------------*/< / span >
< span class = "c" > /* f_forward<72> <EFBFBD> <D690> ̎g<CC8E> p<EFBFBD> <70> */< / span >
< span class = "c" > /*-----------------------------------------------------------------------*/< / span >
FRESULT play_file (
char *fn < span class = "c" > /* <20> Đ<EFBFBD> <C490> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> I<EFBFBD> [<5B> f<EFBFBD> B<EFBFBD> I<EFBFBD> E<EFBFBD> t<EFBFBD> @<40> C<EFBFBD> <43> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> w<EFBFBD> <77> <EFBFBD> |<7C> C<EFBFBD> <43> <EFBFBD> ^ */< / span >
)
{
FRESULT rc;
FIL fil;
UINT dmy;
< span class = "c" > /* <20> t<EFBFBD> @<40> C<EFBFBD> <43> <EFBFBD> <EFBFBD> <EFBFBD> ǂݏo<DD8F> <6F> <EFBFBD> <EFBFBD> <EFBFBD> [<5B> h<EFBFBD> ŊJ<C58A> <4A> */< / span >
rc = f_open(& fil, fn, FA_READ);
if (rc) return rc;
< span class = "c" > /* <20> S<EFBFBD> Ẵf<CC83> [<5B> ^<5E> <> <EFBFBD> ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 邩<EFBFBD> G<EFBFBD> <47> <EFBFBD> [<5B> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܂ <DC82> <C591> <EFBFBD> <EFBFBD> <EFBFBD> */< / span >
while (rc == FR_OK & & fil.fptr < fil.fsize) {
< span class = "c" > /* <20> ق<EFBFBD> <D982> ̏<EFBFBD> <CC8F> <EFBFBD> ... */< / span >
< span class = "c" > /* <20> <> <EFBFBD> <EFBFBD> <EFBFBD> I<EFBFBD> ܂ <EFBFBD> <DC82> ͗v<CD97> <76> <EFBFBD> ɉ<EFBFBD> <C989> <EFBFBD> <EFBFBD> ăf<C483> [<5B> ^<5E> <> <EFBFBD> X<EFBFBD> g<EFBFBD> <67> <EFBFBD> [<5B> <> <EFBFBD> ɑ <EFBFBD> <C991> o<EFBFBD> <6F> <EFBFBD> <EFBFBD> */< / span >
rc = f_forward(& fil, out_stream, 1000, & dmy);
}
< span class = "c" > /* <20> t<EFBFBD> @<40> C<EFBFBD> <43> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <C282> Ė߂<C496> */< / span >
f_close(& fil);
return rc;
}
< / pre >
< / div >
< div class = "para ref" >
< h4 > <EFBFBD> Q<EFBFBD> <EFBFBD> < / h4 >
< p > < tt > < a href = "open.html" > f_open< / a > , < a href = "gets.html" > fgets< / a > , < a href = "write.html" > f_write< / a > , < a href = "close.html" > f_close< / a > , < a href = "sfile.html" > FIL< / a > < / tt > < / p >
< / div >
< p class = "foot" > < a href = "../00index_j.html" > <EFBFBD> ߂<EFBFBD> < / a > < / p >
< / body >
< / html >
