.SH NAME
ao-usbtrng \- dump random numbers from USBtrng
.SH SYNOPSIS
-.B "ao-usbtrng"
-[\-T \fItty-device\fP]
-[\--tty \fItty-device\fP]
-[\-D \fIaltos-device\fP]
-[\--device \fIaltos-device\fP]
-\fIkbytes\fP
+.B "ao-usbtrng" [OPTION...] [KBYTES]
.SH DESCRIPTION
.I ao-usbtrng
-dumps random numbers from a USBtrng device
+dumps random numbers from a USBtrng device. If provided KBYTES specifies the number of 1024 byte blocks to produce on standard output. Without KBYTES
+.I ao-usbtrng
+produces random bytes continuously until killed.
.SH OPTIONS
.TP
-\-T tty-device | --tty tty-device
+\-v, --verbose
+increase verbosity
+.TP
+\-T, -tty=TTYDEVICE
This selects which tty device the debugger uses to communicate with
the target device. The special name 'BITBANG' directs ao-dbg to use
the cp2103 connection, otherwise this should be a usb serial port
connected to a suitable cc1111 debug node.
.TP
-\-D AltOS-device | --device AltOS-device
+\-D, --device=ALTOSDEVICE
Search for a connected device. This requires an argument of one of the
following forms:
.IP
one of the available devices.
.SH USAGE
.I ao-usbtrng
-opens the target device and reads the specified number of kbytes of
+opens the target device and reads the specified number of KBYTES of
random data.
.SH AUTHOR
Keith Packard