Difference between revisions of "USB Palm OS Device as an LCD Display"

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'''How to use a USB cabled Palm-OS device as an external (20x4) character LCD display for your Linkstation using the [[http://palmorb.sourceforge.net PalmOrb]] emulator'''
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{{Template:Articles|USB|Hardware|LS1|HG|Howto}}
 
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''<font color=red><small>This article based on work done by Ramuk at Linkstationwiki.org</small></font>''<br>
 
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<table align=right><tr><td>
 
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http://palmorb.sourceforge.net/imgs/experimentA.gif
[[Image:Bar.png|frame|USB LCD : These instructions are essentially for a [http://www.crystalfontz.com/products/635/index.html  USB LCD Display], a USB docking Palm-OS device can emulate a USB LCD interface so that no external adapter is needed.  The same instructions could be used with some modification to add an LCD with the  [[Articles/PPCSerialHeader]] ]]
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</td></tr>
 
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</table>
 
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http://palmorb.sourceforge.net/imgs/palmorb4.gif
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== Abstract ==
 
== Abstract ==
 
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{{Postit|USB LCD|These instructions are essentially for a USB LCD Display<ref>  www.crystalfontz.com [http://www.crystalfontz.com/products/635/index.html CFA-635 USB LCD]</ref>, a USB docking Palm-OS device can emulate a USB LCD interface so that no external adapter is needed.  The same instructions could be used with some modification to add an LCD with:  [[Add a Serial port to the PowerPC Linkstation]] as a matter of fact someone on the kurobox wiki has done just that<ref>[[LCDKuro|LCDKuro - Add a Display and Keyboard to your Kurobox ]]</ref>}}
 
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This article is for people that want to add an [[w:LCD|LCD]] display to their Linkstation but don't want to crack it open<ref>The NSLU2-Linux project where this idea was hijacked from: [http://www.nslu2-linux.org/wiki/Peripherals/Palm  Palm as LCD-Display or terminal]
This article is for people that want to add an LCD display to their Linkstation, but don't want to crack it open, and happen to have a USB cabled [http://en.wikipedia.org/wiki/Category:Palm_OS_devices Palm OS ] device lying around.
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</ref>, and happen to have a USB cabled [[w:Palm_OS_devices|Palm OS ]]<ref>The Wikipedia: [[w:Palm OS devices|Palm OS devices]]</ref> device lying around. Using [[w:PalmOrb|PalmOrb]] <ref>The PalmOrb Page: [http://palmorb.sourceforge.net  SourceForge:PalmOrb]</ref> you can emulate an external (20x4),(40x4) or (26x16) character LCD display.
 
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== Prerequisites ==
 
== Prerequisites ==
 
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This article assumes that you have installed [[FreeLink]]. A 2.6 Kernel [[Upgrade to the 2.6-kernel (ppc only)]]
 
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has better USB support, but a 2.4 Kernel would probably work as well.  For these instructions you will need a USB cabled Palm-OS Device.
This article assumes that you have installed [[Projects/FreeLink]]. A 2.6 Kernel [[Articles/GeneralUpgradeTo26-Kernel]]
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has better USB support, but a 2.4 Kernel would probably work as well.  For these instructions you will need a USB cabled Palm-OS Device.
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== Method ==
 
== Method ==
 
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* Install PalmOrb on your USB cabled Palm-OS Device.  The v1.1a4<ref>Sourceforge.net: [http://sourceforge.net/project/showfiles.php?group_id=2987&amp;package_id=2968  palmorb - alpha/beta releases Latest v1.1a4]</ref> version has the most font options for a (20x4) emulated LCD, there are several other versions available on Sourceforge<ref>Sourceforge.net: [http://sourceforge.net/project/showfiles.php?group_id=2987 PalmOrb]</ref>.  It emulates a Matrix Orbital LK204-25 LCD.  
 
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<table width=160 style="border: 1px dotted" align="right">
* Install [http://palmorb.sourceforge.net PalmOrb] on your USB cabled Palm-OS Device.  The [http://sourceforge.net/project/showfiles.php?group_id=2987&amp;package_id=2968  v1.1a4] version has the most font options for a (20x4) emulated LCD, there are several other versions available on the [http://sourceforge.net/project/showfiles.php?group_id=2987 sourceforge site].  It emulates a Matrix Orbital LK204-25 LCD.  
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<tr><td>
 
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[[Image:Bar.png|frame|Configure the PalmOrb app to use the USB Port Menu -> Options -> Serial:Device:USB ]]
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http://palmorb.sourceforge.net/imgs/menu-options-serial.gif
 
http://palmorb.sourceforge.net/imgs/menu-options-serial.gif
 
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</td></tr>
* Install and remove LCDProc using apt-get (this should take care of any dependencies)  The Debian Stable Version only has the LCDd Daemon program but not the lcdproc client, so you'll have to install lcdproc from a tarball. Kind of an ugly solution to get the dependencies resolved, but it works:  
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<tr><td>
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<small>''Configure the PalmOrb app to use the USB Port:'' '''Menu -> Options -> Serial:Device:USB'''</small>
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</td></tr>
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</table>
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* Install and remove [[w:LCDproc|LCDproc]] using [[w:apt-get|apt-get]] (this should take care of any dependencies)  The Debian Stable Version only has the LCDd Daemon program but not the lcdproc client, so you'll have to install lcdproc from a [[w:tarball|tarball]]. Kind of an ugly solution to get the dependencies resolved, but it works:  
  
 
  apt-get install lcdproc
 
  apt-get install lcdproc
 
  apt-get remove lcdproc
 
  apt-get remove lcdproc
  
* Get the [[http://lcdproc.omnipotent.net/ LCD Proc]] tarball and compile/install it.  
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* Get the LCDProc<ref>The LCDproc home: [http://lcdproc.omnipotent.net/ LCDproc]</ref> tarball and compile/install it. Make sure you have installed the [[Precompiled C development environment, running on the LS]] first.
  
 
  wget http://lcdproc.omnipotent.net/download/lcdproc-0.4.5.tar.gz
 
  wget http://lcdproc.omnipotent.net/download/lcdproc-0.4.5.tar.gz
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  make install
 
  make install
  
* Use these instructions to configure LCDProc to run with PalmOrb properly: [http://palmorb.sourceforge.net/faq.html#ConfigLCDproc How do I configure LCDproc for PalmOrb?] make sure that the '''''MtxOrb''''' part looks at least a little something like this:
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* Use these instructions to configure LCDProc to run with PalmOrb properly<ref> [http://palmorb.sourceforge.net/faq.html#ConfigLCDproc How do I configure LCDproc for PalmOrb?]</ref> make sure that the <tt>MtxOrb</tt> part of <tt>/etc/LCDd.conf</tt> looks at least a little something like this:
  
 
  ........
 
  ........
Line 62: Line 53:
 
  ........
 
  ........
  
 
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* You may have to initiate the appropriate module for the palm<ref> [http://www.ibiblio.org/pub/Linux/docs/HOWTO/other-formats/pdf/Handspring-Visor.pdf Handspring−Visor with Linux mini−HOWTO by Ryan VanderBijl]</ref>
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modprobe visor
 
* Attach the USB enabled Palm-OS device and start the PalmOrb app.  Do a '''''dmesg''''' of your linkstation; if things went well you should see lines like this at the end:  
 
* Attach the USB enabled Palm-OS device and start the PalmOrb app.  Do a '''''dmesg''''' of your linkstation; if things went well you should see lines like this at the end:  
 
 
  usb 3-1: Handspring Visor / Palm OS converter now attached to ttyUSB0
 
  usb 3-1: Handspring Visor / Palm OS converter now attached to ttyUSB0
 
  usb 3-1: Handspring Visor / Palm OS converter now attached to ttyUSB1  
 
  usb 3-1: Handspring Visor / Palm OS converter now attached to ttyUSB1  
 
 
* Run the LCDd (LCDproc Daemon) and LCDproc client with some options to see if it works.  
 
* Run the LCDd (LCDproc Daemon) and LCDproc client with some options to see if it works.  
 
 
  LCDd &
 
  LCDd &
 
  lcdproc C M X
 
  lcdproc C M X
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* Hopefully you got some output on the Palm-OS device as an LCD. For other clients Google:'''lcdproc''' to see what other LCDProc clients you can find.  Or just go here<ref> [http://lcdproc.omnipotent.net/clients.php3  LCDProc Site:Clients]</ref>
  
* Hopefully you got some output on the Palm-OS device as an LCD. For other clients Google:'''lcdproc''' to see what other LCDProc clients you can find.  Or just go here: [[http://lcdproc.omnipotent.net/clients.php3  LCDProc Site:Clients ]]
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== What's the point? ==
  
== What's the point? ==
 
  
Palm as terminal  ''untested:''    Enable terminal access with this command: '''''getty -h -L ttyUSB0 9600 vt100''''', and use a terminal program like [[http://netpage.em.com.br/mmand/ptelnet.htm ptelnet]]
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{{Postit|Palm as Terminal (untested)|Enable terminal access with this command: ''getty -h -L ttyUSB0 9600 vt100'', and use a terminal program like ptelnet<ref>[http://netpage.em.com.br/mmand/ptelnet.htm ptelnet] - a powerful communication software for the Palm Computing platform</ref>}}
  
 
Well if you happen to have a USB enabled older Palm OS PDA lying around and want an external LCD display for the price of nothing, now you have it!
 
Well if you happen to have a USB enabled older Palm OS PDA lying around and want an external LCD display for the price of nothing, now you have it!
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==Related Links:==
  
== References ==
 
  
  
* The NSLU2-Linux project where this idea was hijacked from: [[http://www.nslu2-linux.org/wiki/Peripherals/Palm  Palm as LCD-Display or terminal]]
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== References ==
* The PalmOrb Page: [[http://palmorb.sourceforge.net  SourceForge:PalmOrb]]
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<references/>
* The LCDproc home: [[http://lcdproc.omnipotent.net/ LCDproc]]
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* The Wikipedia: [[http://en.wikipedia.org/wiki/Category:Palm_OS_devices  Palm_OS_devices ]]
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== Alternatives ==
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If you happen to own a dbox2, you can [http://hvkls.dyndns.org/downloads/documentation/README-log2lcd.html display a log file on the dbox's LCD] -andre

Latest revision as of 03:27, 26 December 2010

This article based on work done by Ramuk at Linkstationwiki.org

experimentA.gif

Contents

Abstract

USB LCD
Bar.png
These instructions are essentially for a USB LCD Display[1], a USB docking Palm-OS device can emulate a USB LCD interface so that no external adapter is needed. The same instructions could be used with some modification to add an LCD with: Add a Serial port to the PowerPC Linkstation as a matter of fact someone on the kurobox wiki has done just that[2]


This article is for people that want to add an LCD display to their Linkstation but don't want to crack it open[3], and happen to have a USB cabled Palm OS [4] device lying around. Using PalmOrb [5] you can emulate an external (20x4),(40x4) or (26x16) character LCD display.

Prerequisites

This article assumes that you have installed FreeLink. A 2.6 Kernel Upgrade to the 2.6-kernel (ppc only) has better USB support, but a 2.4 Kernel would probably work as well. For these instructions you will need a USB cabled Palm-OS Device.

Method

  • Install PalmOrb on your USB cabled Palm-OS Device. The v1.1a4[6] version has the most font options for a (20x4) emulated LCD, there are several other versions available on Sourceforge[7]. It emulates a Matrix Orbital LK204-25 LCD.

menu-options-serial.gif

Configure the PalmOrb app to use the USB Port: Menu -> Options -> Serial:Device:USB

  • Install and remove LCDproc using apt-get (this should take care of any dependencies) The Debian Stable Version only has the LCDd Daemon program but not the lcdproc client, so you'll have to install lcdproc from a tarball. Kind of an ugly solution to get the dependencies resolved, but it works:
apt-get install lcdproc
apt-get remove lcdproc
wget http://lcdproc.omnipotent.net/download/lcdproc-0.4.5.tar.gz
tar -xvzf lcdproc-0.4.5.tar.gz
cd lcdproc-0.4.5
./configure
make
make install
  • Use these instructions to configure LCDProc to run with PalmOrb properly[9] make sure that the MtxOrb part of /etc/LCDd.conf looks at least a little something like this:
........
[MtxOrb]
# Matrix Orbital driver

# Select the output device to use [/dev/lcd]
device=/dev/ttyUSB0
#device=/dev/usb/tts/1
#device=/dev/ttyS1

# Set the display size [20x4]
size=20x4 
........
  • You may have to initiate the appropriate module for the palm[10]
modprobe visor
  • Attach the USB enabled Palm-OS device and start the PalmOrb app. Do a dmesg of your linkstation; if things went well you should see lines like this at the end:
usb 3-1: Handspring Visor / Palm OS converter now attached to ttyUSB0
usb 3-1: Handspring Visor / Palm OS converter now attached to ttyUSB1 
  • Run the LCDd (LCDproc Daemon) and LCDproc client with some options to see if it works.
LCDd &
lcdproc C M X
  • Hopefully you got some output on the Palm-OS device as an LCD. For other clients Google:lcdproc to see what other LCDProc clients you can find. Or just go here[11]

What's the point?

Palm as Terminal (untested)
Bar.png
Enable terminal access with this command: getty -h -L ttyUSB0 9600 vt100, and use a terminal program like ptelnet[12]


Well if you happen to have a USB enabled older Palm OS PDA lying around and want an external LCD display for the price of nothing, now you have it!

Shell Scripts

#!/bin/sh
# lcdmon.sh
# Kill any LCDd that are running first,  Start the Daemon and 
# fork it to the background.  Then run LCDProc with the Time option and 
# fork it to the background.  
# You can run lcdproc -? alone to see what options there are.  
# Run another client: netlcdclient which gives U/Dl speed
# You could run this script at startup.

killall LCDd
LCDd &
lcdproc T &
netlcdclient -i eth0 -a LinkSTN -d


Related Links:

References

  1. www.crystalfontz.com CFA-635 USB LCD
  2. LCDKuro - Add a Display and Keyboard to your Kurobox
  3. The NSLU2-Linux project where this idea was hijacked from: Palm as LCD-Display or terminal
  4. The Wikipedia: Palm OS devices
  5. The PalmOrb Page: SourceForge:PalmOrb
  6. Sourceforge.net: palmorb - alpha/beta releases Latest v1.1a4
  7. Sourceforge.net: PalmOrb
  8. The LCDproc home: LCDproc
  9. How do I configure LCDproc for PalmOrb?
  10. Handspring−Visor with Linux mini−HOWTO by Ryan VanderBijl
  11. LCDProc Site:Clients
  12. ptelnet - a powerful communication software for the Palm Computing platform

Alternatives

If you happen to own a dbox2, you can display a log file on the dbox's LCD -andre