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authorreinelt <>2003-08-01 05:15:42 +0000
committerreinelt <>2003-08-01 05:15:42 +0000
commitf7e342004dc100008d5ff5e0e78adfc556cce05c (patch)
tree3e99890ef2e30f60a46afa55756536ca6cb25eac /README
parenteaa20ab6512e69a3f7cac0b8a7c840c430e5eb51 (diff)
downloadlcd4linux-f7e342004dc100008d5ff5e0e78adfc556cce05c.tar.gz
[lcd4linux @ 2003-08-01 05:15:42 by reinelt]
last cleanups for 0.9.9
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#
-# $Id: README,v 1.23 2002/04/29 11:00:26 reinelt Exp $
+# $Id: README,v 1.24 2003/08/01 05:15:42 reinelt Exp $
#
-This is the README file for lcd4linux
-
-
-INTRODUCTION
-
-lcd4linux is a small program that reads various information from the kernel
-(and from other subsystems, especially ISDN) and displays them on a LCD or
-other display device.
-
-It supports displaying text values and different types of bars: Horizontal and
-vertical bars, logarithmic bars, split bars (two independent bars in one row).
-
-
-USAGE
-
-lcd4linux -h
- print version number and a small help text, then exit
-
-lcd4linux -l
- list available drivers
-
-#ifdef USE_OLD_UDELAY
-lcd4linux -d
- calibrate delay loop (necessary for some drivers)
-#endif
-
-lcd4linux [-c key=val] [-F] [-f config-file] [-o output] [-q] [-v]
- run lcd4linux
- overwrite entries from the config-file with '-c'
- do not fork and detach with '-F'
- use configuration from 'config-file' instead of /etc/lcd4linux.conf
- write picture to 'output' (raster driver only)
- suppress startup splash screen with '-q'
- generate info messages with '-v'
- generate debugging messages with '-vv'
- debug socket traffic too, with '-vvv'
-
-
-DIAGNOSTICS
-
- lcd4linux on foreground writes (depending on level) to stdout or stderr.
- The Text-Driver has ist's own diagnostics window.
-
- Started in the background (the default), lcd4linux uses your syslog daemon
- for logging. Facility is USER, levels are ERR, INFO and DEBUG.
-
-
-SUPPORTED DISPLAYS
-
-* Matrox Orbital: <http://www.matrixorbital.com>
-
- "LCD0821": 2 lines by 8 characters
- "LCD1621": 2 lines by 16 characters
- "LCD2021": 2 lines by 20 characters
- "LCD2041": 4 lines by 20 characters (tested)
- "LCD4021": 2 lines by 40 characters
-
-
-* CrystalFontz <http://www.crystalfontz.com>
-
- any of 626, 632, 634 and 636.
-
-
-* HD44780-based displays
-
- This driver supports display modules based on the Hitachi HD44780 chip,
- connected to a parallel port. These displays are made by different
- manufactures, and come in various sizes.
-
-* Beckmann+Egle mini-terminal
-
- thanks to Helmut A. Bender <hab@arcanum.inka.de>
-
-
-* Mitsubishi M50530
-
- I got a real cool display (8 lines by 24 characters!) from
- Udo Altmann (udo.altmann@web.de) Thanks again!
- Unfortunately, the driver is not finished yet.
-
-
-* Toshiba T6963
-
- I got another real cool display (240x128 pixel!) from
- Carsten Nau (info@cnau.de). Thanks again!
- Unfortunately, the driver is not finished yet.
-
-
-* PalmOrb
-
- I was told that lcd4linux works fine with PalmOrb, a small program that
- emulates a Matrox Orbital display on the Palm Pilot.
-
-
-* X11
- thanks to Herbert Rosmanith <herp@wildsau.idv.uni-linz.ac.at> a driver
- for the X Window System is available. It supports any size at any
- resolution. A very small XLCD4Linux-Window can even swallow on the KDE
- Panel!
-
-
-* Raster formats:
- a generic raster driver (which is used by the X11-driver, too) is availiable,
- it supports:
- PPM (portable pixmap)
- PNG (with libgd)
-
-* Text:
- This is a ncurses based text driver, mainly intended for debugging.
-
-* other displays: lcd4linux and especially the display driver code is very
- modular, so it should be quite easy to write a driver for any display. See
- README.driver for details. Contributors are welcome!!!
-
-
-CONFIGURATION
-
-The configuration file (default: /etc/lcd4linux.conf) has a very simple
-format: Every line consists of a key and a value, seperated by whitespace
-(blanks or tabs). Values can contain whitespace, and can be enclosed in
-single or double quotes. A key must not contain whitespace. Keys are NOT
-case-sensitive. Order doesn't matter. Empty lines and all text on a line
-after a '#' will be ignored. If you want to use '#' in a value (think of
-X11-colors), you have to quote it with a backslash.
-
-NOTE:
-
-Because of security reasons the config file is assured to be:
- * - file is a normal file (or /dev/null)
- * - file owner is owner of program
- * - file is not accessible by group
- * - file is not accessible by other
-
-So if you run lcd4linux as root, /etc/lcd4linux has to be:
- chmod 600
- chown root.root
-
-
-The configuration file contains information for different modules of
-lcd4linux:
-
-Global options:
-
- tick: time in milliseconds between bar updates
- tack: time in milliseconds between text updates (text can be updated less
- often than bars, so you get a smooth bar display and readable text)
- tau: time constant (in milliseconds) for damping function (not used by now)
-
-Data-specific options:
-
- overload: load average threshold and bar scaling. The '%L' token (see below)
- displays a '!' instead of a blank if the current load average
- exceeds this value.
- load bars are scaled by this value (load=overload gives 100%)
- sensor1: path to the 1st temperature file
- (e.g. /proc/sys/dev/sensors/w83781d-isa-0290/temp1)
- it is important that you use the isa sensors, because the i2c
- sensors are very slow!
- sensor1_min: temperature where the corresponding bar starts
- sensor1_max: temperature where bar ends
- sensor[2..9], -_min, -_max: entries for the 2nd to 9th temperature sensor
-
- exec:
- x1 ... x9: command to execute, PATH=/usr/local/bin:/usr/bin:/bin
- $X1 ... $X8 is result of command 1..8 in environment
- Tick_x1 .. 9 delay in ticks (overrides delay_x)
- Delay_x1 ..9 delay in seconds (default 1)
- Max_x1 ..9 max value for bars (default 100)
- Min_x1 ..9 min value for bars (default 0)
-
- battery: Battwarning 10 (default 10)
-
- Mailbox:
- The option string may be a plain mbox file or a pop3/imap4/nntp server
- string with the following format:
-
- pop3:[user[:pass]@]machine[:port]
- imap4:[user[:pass]@]machine[:port][/dir]
- nntp:[user[:pass]@]machine[:port][/dir]
-
- Port defaults to 110 and 143 respectively.
- If /dir is not given, INBOX is assumed.
- If dir is given for nntp: it should be a valid group name
- with '.' separating items
- If dir is not given for nntp: all/unread news of subscribed groups
- from Newsrc are calcualted.
-
- Delay_e1..e9 delay in seconds for querying the MailboxN (default 5)
- Newsrc ... path/name of your .newsrc file containing subscribed news
-
- Note: authorization on newsservers is untested.
- Note: user and pass may not contain a '/' with above syntax, I hope
- that's ok.
-
- SetiDir: directory where seti@home stores its data files
-
-
-Driver-specific options:
-
- Display: the name of a display model (see "supported displays" above)
- every driver has its own configuration options (e.g. 'Port', 'Speed', ...)
- see README.<Drivername> for details!
-
-
-Display options:
-
- row1: Text to display in row 1
- row[2-max]: Text to display in other rows
-
- The text to be displayed can contain specific directives, which will be
- replaced by the appropriate values, or will create bars:
-
- '\nnn` will write the ASCII-character nnn (octal)
- '%<token>' will be replaced by the value of <token>
- '%%' will write a '%'
- '%$' will write a '$'
-
- '$<direction><length><token>[+<token>] will create a bar with the
- specified direction and length (in characters) with the value of <token>.
- If the driver supports dual bars, you can specify the second value with
- '+<token>'. <direction> can be 'l' (left), 'r' (right), 'u' (up) or 'd'
- (down). If you specify the direction in upper case, a logarithmic bar will
- be created. note that the space occupied by a bar always grows from left
- to right or from top to bottom, regardless of the direction!
-
- '$t<height><token>,<width> will create a time series bar. The data are
- displayed like '$u', but are shifted every second 1 pixel to the
- left. Currently only displays based on the pixel-driver support this
- bar type.
-
-Tokens:
-
- 'o' operating system name ('Linux')
- 'v' operating system release ('2.0.38')
- 'p' processor ('i686')
- 'r' total amount of memory installed (MB)
- 'mt' total memory from /proc/meminfo (kB)
- 'mu' used memory (kB)
- 'mf' free memory (kB)
- 'ms' shared memory (kB)
- 'mb' buffers (kB)
- 'mc' page cache (kB)
- 'ma' application memory (kB) = used - buffer - cache
- 'l1' load average for the past 1 minute
- 'l2' load average for the past 5 minutes
- 'l3' load average for the past 15 minutes
- 'L' '!' if load > overload (from config)
- 'cu' percentage of CPU in user mode
- 'cn' percentage of CPU in niced tasks
- 'cs' percentage of CPU in system mode
- 'cb' percentage of CPU busy (=100-idle)
- 'ci' percentage of CPU idle
- 'dr' disk blocks read
- 'dw' disk blocks written
- 'dt' disk blocks total (read+write)
- 'dm' disk blocks max (read, write)
- 'nr' network bytes received
- 'nw' network bytes transmitted
- 'nt' network bytes total (receive+transmit)
- 'nm' network bytes max (receive, transmit)
- 'ii' ISDN bytes received
- 'io' ISDN bytes sent
- 'it' ISDN bytes total (received+send)
- 'im' ISDN bytes max (received, send)
- 'ic' ISDN connected (0=offline, 1=online)
- 'ti' PPP bytes received
- 'to' PPP bytes sent
- 'tt' PPP bytes total (received+send)
- 'tm' PPP bytes max (received, send)
- 's1' temperature of sensor 1
- 's2' temperature of sensor 2 (up to s9)
- 'bp' battery percentage (APM by now)
- 'bs' battery status ('=' = online, '+' = charging, '-' discharging)
- 'bd' battery duration in s{econds}, m{ins}, h{ours} or d{ays}
- 'hc' seti@home % completed
- 'ht' seti@home time spent on workunit
- 'e*' mails in mailbox 1-9, total mail
- 'u*' mails in mailbox 1-9, unseen mail
- 'x*' output of command 1-9
-
-Please have a look at lcd4linux.conf.sample, where you can find examples
-of all options and there usage.
-
+Sorry, there is no README anymore.
+Go to http://lcd4linux.sourceforge.net for all the documentation.