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Readme for Linux device driver for the Texas Instruments SilverLink cable
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Author: Romain Liévin & Julien Blache
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Homepage: http://lpg.ticalc.org/prj_usb
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INTRODUCTION:
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This is a driver for the TI-GRAPH LINK USB (aka SilverLink) cable, a cable
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designed by TI for connecting their TI8x/9x calculators to a computer
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(PC or Mac usually).
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If you need more information, please visit the 'SilverLink drivers' homepage
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at the above URL.
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WHAT YOU NEED:
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A TI calculator of course and a program capable to communicate with your
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calculator.
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TiLP will work for sure (since I am his developer !). yal92 may be able to use
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it by changing tidev for tiglusb (may require some hacking...).
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HOW TO USE IT:
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You must have first compiled USB support, support for your specific USB host
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controller (UHCI or OHCI).
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Next, (as root) from your appropriate modules directory (lib/modules/2.5.XX):
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insmod usb/usbcore.o
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insmod usb/usb-uhci.o insmod usb/ohci-hcd.o
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insmod tiglusb.o
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If it is not already there (it usually is), create the device:
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mknod /dev/tiglusb0 c 115 16
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You will have to set permissions on this device to allow you to read/write
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from it:
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chmod 666 /dev/tiglusb0
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Now you are ready to run a linking program such as TiLP. Be sure to configure
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it properly (RTFM).
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MODULE PARAMETERS:
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You can set these with: insmod tiglusb NAME=VALUE
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There is currently no way to set these on a per-cable basis.
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NAME: timeout
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TYPE: integer
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DEFAULT: 15
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DESC: Timeout value in tenth of seconds. If no data is available once this
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time has expired then the driver will return with a timeout error.
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QUIRKS:
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The following problem seems to be specific to the link cable since it appears
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on all platforms (Linux, Windows, Mac OS-X).
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In some very particular cases, the driver returns with success but
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without any data. The application should retry a read operation at least once.
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HOW TO CONTACT US:
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You can email me at roms@lpg.ticalc.org. Please prefix the subject line
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with "TIGLUSB: " so that I am certain to notice your message.
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You can also mail JB at jb@jblache.org: he has written the first release of
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this driver but he better knows the Mac OS-X driver.
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CREDITS:
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The code is based on dabusb.c, printer.c and scanner.c !
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The driver has been developed independantly of Texas Instruments.
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