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| author | jhay <jhay@FreeBSD.org> | 2003-02-28 19:28:29 +0000 |
|---|---|---|
| committer | jhay <jhay@FreeBSD.org> | 2003-02-28 19:28:29 +0000 |
| commit | 9cfb22c2099b864d1c2dc45a37f750df81d5d0cd (patch) | |
| tree | 56b7bb65e35cb711738a66b2bf64158dd7874a4c /share/man/man4/ugen.4 | |
| parent | f7135842db85e9aa10d78271936053555f274767 (diff) | |
| download | FreeBSD-src-9cfb22c2099b864d1c2dc45a37f750df81d5d0cd.zip FreeBSD-src-9cfb22c2099b864d1c2dc45a37f750df81d5d0cd.tar.gz | |
Implement outgoing interrupt pipes. It is part of the USB 1.1 spec.
The Lego Infrared Tower use it.
Diffstat (limited to 'share/man/man4/ugen.4')
| -rw-r--r-- | share/man/man4/ugen.4 | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/share/man/man4/ugen.4 b/share/man/man4/ugen.4 index be61ef4..0a90e8c 100644 --- a/share/man/man4/ugen.4 +++ b/share/man/man4/ugen.4 @@ -104,9 +104,12 @@ and should be used. All I/O operations on a bulk endpoint are unbuffered. .Pp -The interrupt transfer mode can only be in. -To perform input from an interrupt endpoint +The interrupt transfer mode can be in or out depending on the +endpoint. +To perform I/O on an interrupt endpoint .Xr read 2 +and +.Xr write 2 should be used. A moderate amount of buffering is done by the driver. |
