X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/6f766a61c46ab860c8bdf83b87ffaea2991feee2..7517e9fe05613930cb7cd307a70071c4ebb1f468:/README diff --git a/README b/README index b7af9ac..330c3a3 100644 --- a/README +++ b/README @@ -9,12 +9,21 @@ 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 * ISE Webpack 8.1SP3 + * ChipScope 9.1.03i * ChipScope 9.1.02i + * ChipScope 8.2.04i + * EDK 9.1.01i * EDK 8.2.02i + * EDK 8.1.02i + +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'. @@ -26,6 +35,15 @@ $ 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://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 ======================= @@ -68,5 +86,47 @@ 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 adding -DFORCE_PC3_IDENT to the CFLAGS line in the Makefile. +This enables 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. + + +If you get "Programming failed" or "DONE did not go high" when programming +through the parallel cable with Impact 9.1, make sure to have the option "Use +HIGHZ instead of BYPASS" enabled in Edit -> Preferences -> iMPACT Configuration +Preferences. +If you are using batch mode, add the following line to your cmd file: +setPreference -pref UseHighz:TRUE +(This problem also occurs on windows and when using the real windrvr in linux +and is solved with the same workaround. Impact 8.2 is working fine with the same +boards and designs) + + +Notes for FTDI 2232 based cables +================================ + +To build the driver with FTDI 2232 support, you need to have libftdi and +the libftdi development package installed. On debian, you can install both +by installing 'libftdi-dev'. + +To set-up the device: +1. Find out the vendor and product id of your cable using lsusb: + Bus 003 Device 005: ID 0403:cff8 Future Technology Devices ... + ~~~~~~~~~ + +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 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: + ACTION=="add", BUS=="usb", SYSFS{idVendor}=="0403", SYSFS{idProduct}=="cff8", MODE="666" + (replace the vendor and product id with your values) + +The support for FTDI 2232 based devices is experimental and they are currently +significantly slower than the other supported cables.