add short note about cleaning cable locks

[usb-driver] / README

diff --git a/README b/README
index bf32f6a4bb6f615d11cf86e92218f6254653bf3f..9091cc4ffadced6d6da4b858de5da33a1435465a 100644 (file)
--- a/README
+++ b/README
@@ -17,14 +17,18 @@ the following software:
  * ChipScope 9.1.03i
  * ChipScope 9.1.02i
  * ChipScope 8.2.04i
+ * EDK 9.1.02i
+ * EDK 9.1.01i
  * EDK 8.2.02i
  * EDK 8.1.02i
+ * Synplicity Identify
 
 In addition to the XILINX USB and parallel cables, devices based on the FTDI
 2232 serial converter chip are also experimentally supported. This includes
 devices like the Amontec JTAGkey(-Tiny).
 
-Build the library by calling `make'.
+Build the library by calling `make'. If you are on a 64 bit system but want
+to build a 32 bit library, run `make lib32' instead.
 
 To use this library you have to preload the library before starting impact:
 
@@ -35,11 +39,14 @@ $ 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/
+http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver
 
 The main website is located at:
 http://www.rmdir.de/~michael/xilinx/
 
+The Git repository can be cloned with:
+git clone git://git.zerfleddert.de/usb-driver
+
 
 Notes for the USB cable
 =======================
@@ -115,9 +122,9 @@ To set-up the device:
                           ~~~~~~~~~
 
 2. Copy the sample libusb-driverrc to ~/.libusb-driverrc, edit it and replace
-   the vendor and product-id in the example file with the values from provided
-   in the lsusb-output. You can also change the 'parallel port' which is mapped
-   to this cable. Impact sees the device at that port as a Parallel Cable III.
+   the vendor and product-id in the example file with the values provided in
+   the lsusb-output. You can also change the 'parallel port' which is mapped to
+   this cable. Impact sees the device at that port as a Parallel Cable III.
 
 3. To use the device as an ordinary user, put the following line in a new file
    in /etc/udev/rules.d/ and restart udev:
@@ -125,4 +132,13 @@ To set-up the device:
    (replace the vendor and product id with your values)
 
 The support for FTDI 2232 based devices is experimental and they are currently
-significantly slowen than the other supported cables.
+significantly slower than the other supported cables.
+
+
+Locked cables
+=============
+
+If you get the message 'The cable is being used by another application.' from
+impact, try running the following command:
+
+echo -e 'cleancablelock\nexit' | impact -batch