ref: c160a44f51040754c0b59c061bc003a72b48ad6a
parent: 9bdaed577d3f1725eccbdeaaf1bde79e5b2f8990
author: cinap_lenrek <cinap_lenrek@centraldogma>
date: Wed Aug 17 22:14:52 EDT 2011
nusb(4): nusb/serial is different, add ptp
--- a/sys/man/4/nusb
+++ b/sys/man/4/nusb
@@ -139,24 +139,26 @@
.I Serial
provides a file system (usually seen at
.BR /dev )
-that includes one directory per USB serial port, named
-.BI eiaU N
-or
-.BI eiaU N . M.
-In this directory there are two files,
-.BR eiaU ,
+that includes two files,
+.BI eiaU N ,
similar to
.BI eia N
in
-.IR uart (3),
+.IR uart (3)
+but where
+.I N
+is the
+.I devid
+or
+.IR devid . lun,
and
-.BR eiaUctl ,
+.BI eiaU N ctl,
which admits writes in the same format as
.BI eia N ctl
in
.IR uart (3).
Reading from
-.B eiaUctl
+.BI eiaU N ctl
gives the serial port's settings in the same format as
.BI eia N status
in
@@ -166,9 +168,9 @@
.PP
JTAG ports are similar
but the files are named
-.B jtag
+.BI jtag N
and
-.BR jtagctl .
+.BI jtag N ctl .
.
.SS Audio devices
.I Audio
@@ -179,6 +181,11 @@
.BR volume
and
.BR audio .
+.SS Ptp devices
+.I Ptp
+supports PTP (picture transfer protocol) devices like cameras.
+The filesystem can be accessed under
+.BI /shr/sdU devid .0 .
.SH SOURCE
.B /sys/src/cmd/nusb
.SH "SEE ALSO"
--
⑨