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README

SERDISPLIB
==========

Written by Wolfgang Astleitner (mrwastl@users.sourceforge.net)

Project's homepage: http://serdisplib.soureforge.net
Latest version available: http://sourceforge.net/projects/serdisplib/
SVN development infos: http://sourceforge.net/apps/trac/serdisplib/


See the file COPYING for license information.


DISCLAIMER
----------
THIS IS EXPERIMENTAL SOFTWARE AND HARDWARE. USE AT YOUR OWN RISK.
THE DEVELOPER(S) OF THIS SOFTWARE AND HARDWARE CAN NOT BE HELD LIABLE UNDER ANY CIRCUMSTANCES FOR
DAMAGE TO HARDWARE OR SOFTWARE, LOST DATA, OR OTHER DIRECT OR INDIRECT DAMAGE RESULTING FROM THE
USE OF THIS SOFTWARE OR HARDWARE. IF YOU DO NOT AGREE TO THESE CONDITIONS, YOU ARE NOT PERMITTED
TO USE OR FURTHER DISTRIBUTE THIS SOFTWARE OR TO USE ANY TEMPLATES FOR BUILDING HARDWARE PRESENTED HERE.


HISTORY
-------
see separate file 'HISTORY'


AUTHORS
-------
see separate file 'AUTHORS'


KNOWN BUGS AND LIMITATIONS
--------------------------
see separate file 'BUGS'


DESCRIPTION
-----------
serdisplib is a library with support for certain serial and parallel lc-displays connected
to the parallel port (and also serial port with i2c-displays). Some USB-displays are
supported since version 1.97.x.


Supported displays / controllers
--------------------------------
--> look at http://serdisplib.sourceforge.net/index.html#displays


IOCTL vs. DIRECT-IO
-------------------
The default output-method uses 'ioctl'-calls using device names (eg: /dev/parport0).
serdisplib also supports using direct-IO (using port-addresses).
direct-IO is only available on architectures supporting it.

ioctl:
+ not restricted to root-only (users qualified for eg. /dev/parport0 may control a display connected to it)
+ universal (usable with more unix-derivats)
- slower than direct-IO

direct-IO (non libusb):
+ faster
- root-only
- i386-compliant architectures only (*bsd-support planned)

direct-IO (libusb / usb-based devices):
+ should be usable on all unixes with libusb support (linux, solaris, *bsd)
- brain-damaged preparation for working libusb-support on some systems



INSTALLATION AND CONFIGURATION
------------------------------

NOTA BENE: on some systems you'll have to use 'gmake' instead of 'make'


1. unpack the tarball to some directory

2a. enter ./configure to generate Makefiles

or if you use a RedHat/Fedora-based/compliant linux-distribution:

2b. enter rpmbuild -tb serdisplib-<version>.tar.gz to generate three RPMs:
serdisplib-<version>.<arch>.rpm ... library files
serdisplib-devel-<version>.<arch>.rpm ... header files and static library
serdisplib-tools-<version>.<arch>.rpm ... tools (testserdisp, multidisplay)

eg.: rpmbuild -tb serdisplib-2.01.tar.gz on an x86-arch will generate:

* serdisplib-2.01.i386.rpm, serdisplib-devel-2.01.i386.rpm, serdisplib-tools-2.01.i386.rpm


RPM-install these files and you're done with installing serdisplib


ATTENTION: if you have installed a pre-RPM-version of serdisplib,
uninstall/remove that before installing the RPM-version!
(/usr/local (make install) vs. /usr (RPM-install) problem!)


3. to build the library and the tools, enter:

make (or gmake - ./configure will tell which one to use.
on linux 'make' and 'gmake' are usually the same)

4. to install the library and the tools:

make install

this will install the shared and static library into /usr/local/lib/
and the include-files to /usr/local/include/serdisplib.

tools (e.g. 'testserdisp' and 'multidisplay') will be installed into /usr/local/bin.



configure options:
--prefix=PREFIX install files in PREFIX default: /usr/local

--enable-experimental enable experimental code default: no

--enable-dynloading enable support for loading dynamic libraries
using dlopen()/dlsym() default: auto

--enable-statictools link tools (eg. testserdisp) to static version of
serdisplib default: yes


--with-drivers=<list> compile drivers given in <list>, see ./configure --help for details


only if --disable-dynloading is activated:
--enable-libusb enable support for libusb, required by driver
'acoolsdcm' and USB-based output devices default: auto
--enable-libSDL enable support for libSDL,
required by driver 'directgfx' default: auto
--enable-libdlo enable support for libdlo,
required by driver 'displaylink' default: auto
--enable-pthread enable multithreading support,
required by events and GPIs default: auto

examples:
./configure --prefix=/usr ... use /usr instead of /usr/local as base installation dir
./configure --enable-statictools ... link static version of serdisplib to testserdisp and
tools in tools/ (e.g. multidisplay)
./configure --disable-dynloading ... disable support for loading libraries using dlopen()



Annotations:
------------
* multidisplay requires libgd. if libgd is not installed, ./configure will not include multidisplay

* GIF-support is included in recent versions of libgd only!
./configure will automatically detect missing GIF-support and disable GIF-specific code-segments

* solaris 10:
./configure should manage to find most of the binaries / required libraries.
if not so, adapt 'configure.in' and run 'autoconf'
if multidisplay should be built, 'libgd' needs to be installed from the compagnion disc.

* opensolaris:
install package 'SUNWsfwhea' to be able to compile with libusb-support
(if using package manager: search for: 'sfwhea')


DISPLAY NAME STRINGS SUPPORTED (case insensitive)
-------------------------------------------------

display name alias names description
------------- ------------------ -----------------------------------
OPTREX323 Optrex 323 display
LSU7S1011A ALPS ALPS display with display module kit by pollin
E08552 EPSON E0855-2 display with display module kit by pollin
PCD8544 generic driver for PCD8544-based displays
PCF8511 generic driver for PCF8511-based displays
LPH7366 LPH7366 display with backlight
LPH7690 LPH7690 display
NOKIA7110 SED1565 Nokia 7110 display (SED1565-based)
NEC21A SKYPER NEC 21a (Skyper) display module
LPH7508 LPH7508 display module with display module kit by pollin
HP12542R Hyundai HP12542R display module with display module kit by pollin
ERICSSONT2X E///T2X Ericsson T20/T28/T29 i2c-displays
ERICSSONR520 E///R520,R520 Ericsson R520/T65 i2c-displays
T6963 T6963C generic driver for T6963-based displays
TLX1391 Toshiba TLX1391 display (T6963-based)
T6963SERMOD T6963-based display module with built-in parallel to serial converter
SED133X SED1330,SED1335 generic driver for SED1330/SED1335-based displays
S1D13700 generic driver for S1D13700-based displays
USB13700 displays driven by USB13700 USB module
N3510I N3530 driver for Nokia 3510i/3530 displays (S1D15G14-based)
S1D15G10 N6100 driver for Nokia 6100 and compliant displays (S1D15G10-based)
KS0108 generic driver for KS0108-based displays
CTINCLUD c't includ USB-display
LH155 generic driver for LH155-based displays
SHARP240 Sharp M078CKA 240x64 (LH155-based)
OLED96X36X1 Pictiva 96X36 OLED 1bit
OLED96X64X16 Pictiva 96X64 colour OLED 16bit
OLED128X64X4 Pictiva 128X64 yellow OLED 4bit
BL160128A Bolymin BL160128A colour OLED 18bit
4DOLED282815 4DOLED128 4DOLED-282815 colour OLED 18bit
L4ME5I linux4media USB-interface E-5i-USB
L4M132C linux4media USB-interface w/ 132x65 colour display
GOLDELOX UOLED160,UOLED128 displays driven by GOLDELOX-MD1 module
STV8105 OLED256X64X4 Pictiva 256X64 yellow OLED 4bit
ALPHACOOL Alphacool USB-displays 200x64 or 240x128
SDCMEGTRON SDC-Megtron USB-displays 240x128
SDL direct output to SDL window
EAKIT128GXT Electronic Assembly EA KIT128-GXT
OMAURA Omaura OLED
DG16080 DG-16080 160x80
DG1608011 DG-16080-11 160x80 (non-square pixels)
L4M320T DD320T Linux4Media L4M-2.8T320LCD USB LCD 320 Touch
FRAMEBUFFER FB Framebuffer device
GLCD2USB GLCD2USB based device

with --enable-experimental:
REMOTE server connection via TCP


TESTING
-------
serdisplib contains a test program called 'testserdisp'. (it is automatically built if you compiled serdisplib
using 'make', 'make all', or 'make testserdisp')


at the prompt enter: 'testserdisp -h

this will show all options supported by testserdisp.

at least -n <display name> is needed (supported display names: look at table above)

testserdisp will show a test picture and you get a prompt. enter 'help' to see all test commands available.


information:
it is not required to install serdisplib prior to be able to use testserdisp.
just enter 'src/testserdisp' instead of 'testserdisp' at the prompt where you compiled the library.



MULTIDISPLAY
------------
multidisplay is a tool for displaying pictures and text (and even both combined).

at the prompt enter: 'multidisplay -h' for help

examples:
display an image: multidisplay -n nokia7110 -f pic.jpg
display some text: multidisplay -n sed1330 -o "WIRING=1" -M 'serdisplib is the win'
use a different font: multidisplay -n sed1330 -o "WIRING=1" -F tiny -M 'tiny font'
use truetypefont, size 16: multidisplay -n nokia7110 -F font.ttf:16 -M 'test'

NOTA BENE:
option -c (executing a command and display result) is dangerous and should be handled with care
for security concerns, -c is only executed when combined with -y

example:
display load average: multidisplay -n sed1330 -c "uptime |sed -e 's/.*load.average..//'" -y

there will be a separate documentation for multidisplay in a later release.
for now, multidisplay is a tiny tool to play around with


information:
it is not required to install serdisplib prior to be able to use multidisplay.
just enter 'tools/multidisplay' instead of 'multidisplay' at the prompt where you compiled the library.

multidisplay will only be compiled if libgd is installed (at least libgd version 2)



API-DOCUMENTATION
-----------------
--> documentation can be generated using

doxygen DOCS/Doxyfile

which creates an HTML-based documentation which starts at DOCS/html/index.html.

or

--> look at http://serdisplib.sourceforge.net/docs/index.html



OPTIONS
-------
--> look at http://serdisplib.sourceforge.net/docs/options.html#options


WIRINGS
-------
--> local file PINOUTS (online here: http://serdisplib.sourceforge.net/docs/PINOUTS.html)
--> http://serdisplib.sourceforge.net/docs/options.html#options


VDR-GRAPHLCD SUPPORT
--------------------
since graphlcd 0.1.2-pre5 graphlcd uses serdisplib if installed.
user action (make-flags, includes, ...) is no longer needed
graphlcd needs no longer be recompiled for using serdisplib!!

also have a look at docs/DRIVER.serdisp included in graphlcd-base



KNOWN PROBLEMS
--------------
- serial port damn slow on solaris and when using USB->RS232 adapters.
- multidisplay: -f not always working correctly if not last parameter

please mail to my address if you find bugs!



TODO
----
* better documentation
* more comments in source code

* more displays/controllers


PLANNED DISPLAYS (or: 'display queue')
----------------
* Ericsson R320
...



CONTRIBUTORS (alphabetically sorted)
------------

contributors of additional display support can be found in 'AUTHORS'.

testing / bug reports:
* Daniel Badberg ... testing, bug reports
* Reuben Bond ... testing, bug reports, chardisp (generate text using serdisplib. superseded by multidisplay)
* Alan Carvalho ... bug report in makefile
* Andreas Regel ... testing of t6963c-driver
* Bernhard Walle ... pointing out potential linking problem in src/Makefile

and all others who helped me with different questions (c, electronics, proof-reading, ...), especially:
* Andreas Fierlinger
* Michael Fuereder


this list is not up-to-date and will be reworked/extended in a later release of serdisplib.


Have fun!

Wolfgang Astleitner <mrwastl@users.sourceforge.net>