Add hack to force the detection of a parallel cable by Stefan Ziegenbalg.

[usb-driver] / README

diff --git a/README b/README
index 277ffe6eff675fc81608aa94924cb546dca8e4de..fcf211a6450369653ae4ee429d1f8538c18c096e 100644 (file)
--- a/README
+++ b/README
@@ -9,6 +9,7 @@ should work on every kernel version which is supported by libusb and supports
 ppdev. It was written against impact from ISE Webpack 9.1SP1 and tested with
 the following software:
 
+ * ISE Webpack 9.1SP3
  * ISE Webpack 9.1SP2
  * ISE Webpack 9.1SP1
  * ISE Webpack 8.2SP3
@@ -26,6 +27,9 @@ $ export LD_PRELOAD=/path/to/libusb-driver.so  (for sh shells)
 $ setenv LD_PRELOAD /path/to/libusb-driver.so  (for csh shells)
 $ impact
 
+The source for this library can be found at:
+http://cvs.zerfleddert.de/cgi-bin/viewcvs.cgi/usb-driver/
+
 
 Notes for the USB cable
 =======================
@@ -68,6 +72,11 @@ ppdev
 To use the device as an ordinary user, put the user in the group 'lp'
 
 
+If you have an almost compatible cable which works with other software but not
+with Impact, try preloading libusb-driver-trenz.so instead of libusb-driver.so.
+It includes a hack by Stefan Ziegenbalg to force detection of a parallel cable.
+
+
 Parallel Cable IV is currently only supported in 'compatibility mode', as no
 attempt to configure the ECP registers is done by this library.